.corporate-management-block {
  background: linear-gradient(hsl(138deg, 100%, 10%) 0%, hsl(0, 0%, 0%) 100%);
}

.corporate-management-block details {
  width: 100%;
  overflow: hidden;
  margin: 13px 0 0; padding: 0;
  line-height: 0;
  background: hsl(0, 0%, 100%);
}

.corporate-management-block details:first-of-type {
  margin-top: 0;
}

.corporate-management-block details > summary {
  display: grid;
  grid-template: 32px auto / auto auto;
  align-items: start;
  padding: 11px 20px;
}

.corporate-management-block details > summary > h3 {
  grid-row: 1 / 2; grid-column: 1 / 2;
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 20px; line-height: 1;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details > summary > h3::after {
  content: '';
  display: inline-block;
  width: 0; heght: 0;
  margin: 0 0 0 14px;
  border-top: 13px solid hsl(0, 0%, 100%);
  border-left: 7.5px solid transparent;
  border-right: 7.5px solid transparent;
}

.corporate-management-block details > summary > dl {
  grid-row: 2 / 3; grid-column: 1 / 2;
  display: grid;
  grid-template-columns: 43px auto;
  list-style: none;
}
.corporate-management-block details > summary > dl > dt {
  grid-row: auto; grid-column: 1 / 2;
  font-weight: 700;
  font-size: 10px; line-height: 1.6;
  color: hsl(60deg, 100%, 50%);
}
.corporate-management-block details > summary > dl > dd {
  grid-row: auto; grid-column: 2 / 3;
  font-weight: 700;
  font-size: 10px; line-height: 1.6;
  color: hsl(60deg, 100%, 50%);
}

.corporate-management-block details > summary > figure {
  grid-row: 1 / 3; grid-column: 2 / 3;
  display: grid;
  grid-template: auto auto / auto;
  justify-content: end; justify-items: end;
}
.corporate-management-block details > summary > figure > img {
  grid-row: 1 / 2; grid-column: 1 / 2;
  max-width: calc(290 / 750 * 100vw); height: auto;
}
.corporate-management-block details > summary > figure > figcaption {
  grid-row: 2 / 3; grid-column: 1 / 2;
  padding: 4px 0 0;
  font-weight: 400;
  font-size: 10px; line-height: 1;
  color: hsl(0, 0%, 100%);
}

.corporate-management-block details > summary > div {
  grid-row: 3 / 4; grid-column: 1 / 3;
  display: none;
  justify-content: center;
  align-items: center;
  width: 100%; height: 37px;
  font-weight: 700;
  font-size: 12px; line-height: 1;
  color: hsl(0, 0%, 100%);
  background: hsl(127deg, 100%, 17%);
}

.corporate-management-block details:open > summary {
  display: block;
  padding: 0;
}
.corporate-management-block details:open > summary > h3 {
  display: none;
}
.corporate-management-block details:open > summary > dl {
  display: none;
}
.corporate-management-block details:open > summary > figure {
  display: none;
}
.corporate-management-block details:open > summary > div {
  display: flex;
}

.corporate-management-block details::details-content {
  content-visibility: unset;
  display: block grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .6s;
}

.corporate-management-block details[open]::details-content {
  grid-template-rows: 1fr;
}

.corporate-management-block details > div {
  width: 100%;
  overflow: auto hidden;
  line-height: 1;
}

.corporate-management-block details > div > div {
  display: grid;
}

.corporate-management-block details > div > div > div {
  box-sizing: border-box;
  position: relative;
  padding: calc(16 / 750 * 100vw);
  font-size: calc(20 / 750 * 100vw); line-height: calc(28 / 20);
  color: hsl(0, 0%, 9%);
}

.corporate-management-block details > div > div > div > h3 {
  display: flex;
  align-items: center;
  height: calc(40 / 750 * 100vw);
  position: absolute;
  top: 0; left: 0;
  padding: 0 0 0 calc(12 / 750 * 100vw);
  z-index: 1;
  font-weight: 700;
  font-size: calc(20 / 750 * 100vw); line-height: 1;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details > div > div > div > h3::before {
  content: '';
  display: block;
  width: 0; height: calc(40 / 750 * 100vw);
  position: absolute;
  top: 0; left: 0;
  z-index: -1;
}
.corporate-management-block details > div > div > div > h3::after {
  content: '';
  display: block;
  width: 0; height: 0;
  position: absolute;
  top: 0; right: 0;
  z-index: -1;
}
.corporate-management-block details > div > div > div > h3 > br {
  display: none;
}

.corporate-management-block details > div > div > div > h4 {
  font-weight: 700;
  font-size: calc(24 / 750 * 100vw); line-height: 1;
}

.corporate-management-block details > div > div > div h5 {
  margin: calc(24 / 750 * 100vw) 0 0;
  font-weight: 700;
  font-size: calc(24 / 750 * 100vw); line-height: calc(38 / 24);
}
.corporate-management-block details > div > div > div h5::before {
  content: '【';
}
.corporate-management-block details > div > div > div h5::after {
  content: '】';
}
.corporate-management-block details > div > div > div h5:lang(en)::before {
  content: '< ';
}
.corporate-management-block details > div > div > div h5:lang(en)::after {
  content: ' >';
}
.corporate-management-block details > div > div > div h5:nth-child(1) {
  margin-top: 0;
}
.corporate-management-block details > div > div > div h5:has(a) {
  color: hsl(245deg, 86%, 36%);
}

.corporate-management-block details > div > div > div h6 {
  margin: calc(24 / 750 * 100vw) 0 0;
  font-weight: 700;
  font-size: calc(20 / 750 * 100vw); line-height: calc(40 / 20);
}
.corporate-management-block details > div > div > div h6:nth-child(1) {
  margin-top: 0;
}
.corporate-management-block details > div > div > div h6 + figure {
  margin-top: calc(4 / 750 * 100vw);
}

.corporate-management-block details > div > div > div > ul {
  list-style: none;
  margin: calc(24 / 750 * 100vw) 0 0; padding: 0;
}
.corporate-management-block details > div > div > div > ul:nth-child(1) {
  margin-top: 0;
}
.corporate-management-block details > div > div > div > ul > li {
  box-sizing: border-box;
  padding: 0 0 0 1em;
  text-indent: -1em;
}
.corporate-management-block details > div > div > div > ul > li::before {
  content: '・';
}
.corporate-management-block details > div > div > div > ul > li:has(a) {
  color: hsl(245deg, 86%, 36%);
}

.corporate-management-block details > div > div > div div.column {
  display: flex;
  gap: calc(24 / 750 * 100vw);
  margin: calc(24 / 750 * 100vw) 0 0;
}

.corporate-management-block details > div > div > div div.column > *{
  flex: 1;
}

.corporate-management-block details > div > div > div > figure {
  margin: calc(24 / 750 * 100vw) 0 0;
}
.corporate-management-block details > div > div > div > figure > img {
  max-width: calc(290 / 750 * 100vw);
  height: auto;
}

.corporate-management-block details > div > div > div > aside {
  display: flex;
  flex-wrap: wrap;
  align-content: center; justify-content: end;
  position: absolute;
  bottom: calc(16 / 750 * 100vw); right: calc(16 / 750 * 100vw);
  font-weight: 700;
  font-size: calc(160 / 750 * 100vw); line-height: calc(105 / 750 * 100vw);
  letter-spacing: calc(-60em / 1000);
  color: hsla(0, 0%, 100%, 0.2);
}
.corporate-management-block details > div > div > div > aside > small {
  display: block;
  width: 100%;
  font-size: calc(80 / 750 * 100vw);
  letter-spacing: 0;
  text-align: right;
}

.corporate-management-block details > div > div > div > img {
  max-width: calc(290 / 750 * 100vw);
  height: auto;
  margin: calc(4 / 750 * 100vw) 0 0;
}

.corporate-management-block details > div > div > div a {
  color: hsl(245deg, 86%, 36%);
}

.corporate-management-block details > div > div > div *[data-modal-link] {
  color: hsl(245deg, 86%, 36%);
}

.corporate-management-block details > div > div > div .megreen {
  color: hsl(147deg, 100%, 30%);
}

/* ### 1860年代 ### */
.corporate-management-block details:nth-of-type(1) > summary {
  background: hsl(127deg, 4%, 53%);
}
.corporate-management-block details:nth-of-type(1) > div > div {
  width: calc(75% * 4);
  grid-template: auto calc(42 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr / 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 1860年代 + */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) {
  grid-row: 2 / 3; grid-column: 1 / 5;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(8) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(9) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(10) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(11) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(12) {
  display: none;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) {
  grid-row: 4 / 5; grid-column: 1 / 5;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(14) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(15) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(16) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(17) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) {
  grid-row: 6 / 7; grid-column: 1 / 5;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(19) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(20) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(21) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(22) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(23) {
  display: none;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) {
  grid-row: 8 / 9; grid-column: 1 / 5;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(25) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(26) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(27) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(28) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) {
  grid-row: 10 / 11; grid-column: 1 / 5;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(30) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(31) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(32) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(33) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}

/* ### 1910～30年代 ### */
.corporate-management-block details:nth-of-type(2) > summary {
  background: hsl(127deg, 4%, 53%);
}
.corporate-management-block details:nth-of-type(2) > div > div {
  width: calc(75% * 8);
  grid-template: auto calc(42 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr / 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 1910年代 + */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
/* + 1920年代 + */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1930年代 + */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(9) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(10) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(11) {
  grid-row: 1 / 2; grid-column: 7 / 8;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(12) {
  grid-row: 1 / 2; grid-column: 8 / 9;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) {
  grid-row: 2 / 3; grid-column: 1 / 9;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(20) {
  grid-row: 3 / 4; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(22) {
  display: none;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) {
  grid-row: 4 / 5; grid-column: 1 / 9;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(24) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(25) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(26) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(27) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(28) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(29) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(30) {
  grid-row: 5 / 6; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(31) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) {
  grid-row: 6 / 7; grid-column: 1 / 9;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(33) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(34) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(35) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(36) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(37) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(38) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(39) {
  grid-row: 7 / 8; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(40) {
  grid-row: 7 / 8; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(41) {
  display: none;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) {
  grid-row: 8 / 9; grid-column: 1 / 9;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(43) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(44) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(45) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(46) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(47) {
  grid-row: 9 / 10; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(48) {
  grid-row: 9 / 10; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(49) {
  grid-row: 9 / 10; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(50) {
  grid-row: 9 / 10; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) {
  grid-row: 10 / 11; grid-column: 1 / 9;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(52) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(53) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(54) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(55) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(56) {
  grid-row: 11 / 12; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(57) {
  grid-row: 11 / 12; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(58) {
  grid-row: 11 / 12; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(59) {
  grid-row: 11 / 12; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}

/* ### 1940～50年代 ### */
.corporate-management-block details:nth-of-type(3) > summary {
  background: hsl(129deg, 8%, 51%);
}
.corporate-management-block details:nth-of-type(3) > div > div {
  width: calc(75% * 8);
  grid-template: auto calc(42 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr / 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 1940年代 + */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1950年代 + */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(9) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(10) {
  grid-row: 1 / 2; grid-column: 7 / 8;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(11) {
  grid-row: 1 / 2; grid-column: 8 / 9;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(12) {
  grid-row: 1 / 2; grid-column: 9 / 10;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(13) {
  grid-row: 1 / 2; grid-column: 10 / 11;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 1 / 11;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(20) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(22) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(23) {
  grid-row: 3 / 4; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(24) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(25) {
  display: none;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) {
  grid-row: 4 / 5; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(27) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(28) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(29) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(30) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(31) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(32) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(33) {
  grid-row: 5 / 6; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(34) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(35) {
  grid-row: 5 / 6; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(36) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) {
  grid-row: 6 / 7; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(38) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(39) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(40) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(41) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(42) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(43) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(44) {
  grid-row: 7 / 8; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(45) {
  grid-row: 7 / 8; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(46) {
  grid-row: 7 / 8; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(47) {
  grid-row: 7 / 8; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(48) {
  display: none;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) {
  grid-row: 8 / 9; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(50) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(51) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(52) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(53) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(54) {
  grid-row: 9 / 10; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(55) {
  grid-row: 9 / 10; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(56) {
  grid-row: 9 / 10; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(57) {
  grid-row: 9 / 10; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(58) {
  grid-row: 9 / 10; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(59) {
  grid-row: 9 / 10; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) {
  grid-row: 10 / 11; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(61) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(62) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(63) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(64) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(65) {
  grid-row: 11 / 12; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(66) {
  grid-row: 11 / 12; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(67) {
  grid-row: 11 / 12; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(68) {
  grid-row: 11 / 12; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(69) {
  grid-row: 11 / 12; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(70) {
  grid-row: 11 / 12; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}

/* ### 1960年代 ### */
.corporate-management-block details:nth-of-type(4) > summary {
  background: hsl(129deg, 13%, 50%);
}
.corporate-management-block details:nth-of-type(4) > div > div {
  width: calc(75% * 8);
  grid-template: auto calc(42 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr / 1fr 1fr 1.5fr 1fr 1.5fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 1960年代 + */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) {
  grid-row: 2 / 3; grid-column: 1 / 7;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(10) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(11) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(12) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(13) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(16) {
  display: none;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) {
  grid-row: 4 / 5; grid-column: 1 / 7;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(18) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(19) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(20) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(21) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(22) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(23) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) {
  grid-row: 6 / 7; grid-column: 1 / 7;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(25) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(26) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(27) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(28) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(29) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(30) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(31) {
  display: none;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) {
  grid-row: 8 / 9; grid-column: 1 / 7;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(33) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(34) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(35) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(36) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(37) {
  grid-row: 9 / 10; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(38) {
  grid-row: 9 / 10; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) {
  grid-row: 10 / 11; grid-column: 1 / 7;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(40) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(41) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(42) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(43) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(44) {
  grid-row: 11 / 12; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(45) {
  grid-row: 11 / 12; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}

/* ### 1970年代 ### */
.corporate-management-block details:nth-of-type(5) > summary {
  background: hsl(132deg, 21%, 47%);
}
.corporate-management-block details:nth-of-type(5) > div > div {
  width: calc(75% * 8.5);
  grid-template: auto calc(42 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 0.5fr / 1fr 1fr 1.5fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 1970年代 + */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(9) {
  grid-row: 1 / 2; grid-column: 7 / 8;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(10) {
  grid-row: 1 / 2; grid-column: 8 / 9;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) {
  grid-row: 2 / 3; grid-column: 1 / 9;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(12) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(13) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(20) {
  display: none;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) {
  grid-row: 4 / 5; grid-column: 1 / 9;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(22) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(23) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(24) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(25) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(26) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(27) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(28) {
  grid-row: 5 / 6; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(29) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) {
  grid-row: 6 / 7; grid-column: 1 / 9;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(31) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(32) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(33) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(34) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(35) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(36) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(37) {
  grid-row: 7 / 8; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(38) {
  grid-row: 7 / 8; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(39) {
  display: none;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) {
  grid-row: 8 / 9; grid-column: 1 / 9;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(41) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(42) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(43) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(44) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(45) {
  grid-row: 9 / 10; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(46) {
  grid-row: 9 / 10; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(47) {
  grid-row: 9 / 10; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(48) {
  grid-row: 9 / 10; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) {
  grid-row: 10 / 11; grid-column: 1 / 9;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(50) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(51) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(52) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(53) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(54) {
  grid-row: 11 / 12; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(55) {
  grid-row: 11 / 12; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(56) {
  grid-row: 11 / 12; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(67) {
  grid-row: 11 / 12; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}

/* ### 1980年代 ### */
.corporate-management-block details:nth-of-type(6) > summary {
  background: hsl(133deg, 31%, 45%);
}
.corporate-management-block details:nth-of-type(6) > div > div {
  width: calc(75% * 9);
  grid-template: auto calc(42 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 0.5fr / 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 1980年代 + */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(9) {
  grid-row: 1 / 2; grid-column: 7 / 8;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(10) {
  grid-row: 1 / 2; grid-column: 8 / 9;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(11) {
  grid-row: 1 / 2; grid-column: 9 / 10;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) {
  grid-row: 2 / 3; grid-column: 1 / 10;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(13) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(20) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 9 / 10;
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(22) {
  display: none;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) {
  grid-row: 4 / 5; grid-column: 1 / 10;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(24) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(25) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(26) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(27) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(28) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(29) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(30) {
  grid-row: 5 / 6; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(31) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(32) {
  grid-row: 5 / 6; grid-column: 9 / 10;
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) {
  grid-row: 6 / 7; grid-column: 1 / 10;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(34) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(35) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(36) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(37) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(38) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(39) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(40) {
  grid-row: 7 / 8; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(41) {
  grid-row: 7 / 8; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(42) {
  grid-row: 7 / 8; grid-column: 9 / 10;
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(43) {
  display: none;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) {
  grid-row: 8 / 9; grid-column: 1 / 10;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(45) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(46) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(47) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(48) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(49) {
  grid-row: 9 / 10; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(50) {
  grid-row: 9 / 10; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(51) {
  grid-row: 9 / 10; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(52) {
  grid-row: 9 / 10; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(53) {
  grid-row: 9 / 10; grid-column: 9 / 10;
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) {
  grid-row: 10 / 11; grid-column: 1 / 10;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(55) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(56) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(57) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(58) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(59) {
  grid-row: 11 / 12; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(60) {
  grid-row: 11 / 12; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(61) {
  grid-row: 11 / 12; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(62) {
  grid-row: 11 / 12; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(63) {
  grid-row: 11 / 12; grid-column: 9 / 10;
}

/* ### 1990年代 ### */
.corporate-management-block details:nth-of-type(7) > summary {
  background: hsl(137deg, 43%, 41%);
}
.corporate-management-block details:nth-of-type(7) > div > div {
  width: calc(75% * 10);
  grid-template: auto calc(42 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 0.5fr / 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 1990年代 + */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(9) {
  grid-row: 1 / 2; grid-column: 7 / 8;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(10) {
  grid-row: 1 / 2; grid-column: 8 / 9;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(11) {
  grid-row: 1 / 2; grid-column: 9 / 10;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(12) {
  grid-row: 1 / 2; grid-column: 10 / 11;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) {
  grid-row: 2 / 3; grid-column: 1 / 11;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(20) {
  grid-row: 3 / 4; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(22) {
  grid-row: 3 / 4; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(23) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(24) {
  display: none;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) {
  grid-row: 4 / 5; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(26) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(27) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(28) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(29) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(30) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(31) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(32) {
  grid-row: 5 / 6; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(33) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(34) {
  grid-row: 5 / 6; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(35) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) {
  grid-row: 6 / 7; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(37) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(38) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(39) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(40) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(41) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(42) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(43) {
  grid-row: 7 / 8; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(44) {
  grid-row: 7 / 8; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(45) {
  grid-row: 7 / 8; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(46) {
  grid-row: 7 / 8; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(47) {
  display: none;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) {
  grid-row: 8 / 9; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(49) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(50) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(51) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(52) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(53) {
  grid-row: 9 / 10; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(54) {
  grid-row: 9 / 10; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(55) {
  grid-row: 9 / 10; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(56) {
  grid-row: 9 / 10; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(57) {
  grid-row: 9 / 10; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(58) {
  grid-row: 9 / 10; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) {
  grid-row: 10 / 11; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(60) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(61) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(62) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(63) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(64) {
  grid-row: 11 / 12; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(65) {
  grid-row: 11 / 12; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(66) {
  grid-row: 11 / 12; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(67) {
  grid-row: 11 / 12; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(68) {
  grid-row: 11 / 12; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(69) {
  grid-row: 11 / 12; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}

/* ### 2000年代 ### */
.corporate-management-block details:nth-of-type(8) > summary {
  background: hsl(136deg, 43%, 41%);
}
.corporate-management-block details:nth-of-type(8) > div > div {
  width: calc(75% * 10);
  grid-template: auto calc(42 / 750 * 100vw) 0.5fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 0.5fr / 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 2000年代 + */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(9) {
  grid-row: 1 / 2; grid-column: 7 / 8;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(10) {
  grid-row: 1 / 2; grid-column: 8 / 9;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(11) {
  grid-row: 1 / 2; grid-column: 9 / 10;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(12) {
  grid-row: 1 / 2; grid-column: 10 / 11;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) {
  grid-row: 2 / 3; grid-column: 1 / 11;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(20) {
  grid-row: 3 / 4; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(22) {
  grid-row: 3 / 4; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(23) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(24) {
  display: none;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) {
  grid-row: 4 / 5; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(26) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(27) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(28) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(29) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(30) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(31) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(32) {
  grid-row: 5 / 6; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(33) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(34) {
  grid-row: 5 / 6; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(35) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) {
  grid-row: 6 / 7; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(37) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(38) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(39) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(40) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(41) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(42) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(43) {
  grid-row: 7 / 8; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(44) {
  grid-row: 7 / 8; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(45) {
  grid-row: 7 / 8; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(46) {
  grid-row: 7 / 8; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(47) {
  display: none;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) {
  grid-row: 8 / 9; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(49) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(50) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(51) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(52) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(53) {
  grid-row: 9 / 10; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(54) {
  grid-row: 9 / 10; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(55) {
  grid-row: 9 / 10; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(56) {
  grid-row: 9 / 10; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(57) {
  grid-row: 9 / 10; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(58) {
  grid-row: 9 / 10; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) {
  grid-row: 10 / 11; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(60) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(61) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(62) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(63) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(64) {
  grid-row: 11 / 12; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(65) {
  grid-row: 11 / 12; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(66) {
  grid-row: 11 / 12; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(67) {
  grid-row: 11 / 12; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(68) {
  grid-row: 11 / 12; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(69) {
  grid-row: 11 / 12; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}

/* ### 2010年代 ### */
.corporate-management-block details:nth-of-type(9) > summary {
  background: hsl(146deg, 97%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div {
  width: calc(75% * 10.5);
  grid-template: auto calc(42 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr / 1fr 1fr 1.5fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 2010年代 + */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(9) {
  grid-row: 1 / 2; grid-column: 7 / 8;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(10) {
  grid-row: 1 / 2; grid-column: 8 / 9;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(11) {
  grid-row: 1 / 2; grid-column: 9 / 10;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(12) {
  grid-row: 1 / 2; grid-column: 10 / 11;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) {
  grid-row: 2 / 3; grid-column: 1 / 11;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(20) {
  grid-row: 3 / 4; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(22) {
  grid-row: 3 / 4; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(23) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(24) {
  display: none;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) {
  grid-row: 4 / 5; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(163deg, 44%, 42%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(163deg, 44%, 42%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:lang(en) {
  width: calc(790 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:lang(en)::before {
  width: calc((790 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(26) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(27) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(28) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(29) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(30) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(31) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(32) {
  grid-row: 5 / 6; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(33) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(34) {
  grid-row: 5 / 6; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(35) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) {
  grid-row: 6 / 7; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(186deg, 47%, 41%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(186deg, 47%, 41%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:lang(en) {
  width: calc(980 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:lang(en)::before {
  width: calc((980 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(37) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(38) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(39) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(40) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(41) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(42) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(43) {
  grid-row: 7 / 8; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(44) {
  grid-row: 7 / 8; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(45) {
  grid-row: 7 / 8; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(46) {
  grid-row: 7 / 8; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工鉄構エンジニアリング株式会社 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(47) {
  display: none;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) {
  grid-row: 8 / 9; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3 {
  width: calc(750 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3::before {
  width: calc((750 - 40) / 750 * 100vw);
  background: hsl(332deg, 64%, 63%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(332deg, 64%, 63%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:lang(en) {
  width: calc(1220 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:lang(en)::before {
  width: calc((1220 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(49) {
  grid-row: 9 / 10; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(50) {
  grid-row: 9 / 10; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(51) {
  grid-row: 9 / 10; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(52) {
  grid-row: 9 / 10; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(53) {
  grid-row: 9 / 10; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(54) {
  grid-row: 9 / 10; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(55) {
  grid-row: 9 / 10; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(56) {
  grid-row: 9 / 10; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(57) {
  grid-row: 9 / 10; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(58) {
  grid-row: 9 / 10; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) {
  grid-row: 10 / 11; grid-column: 1 / 11;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3 {
  width: calc(600 / 750 * 100vw);
  padding: 0 0 0 calc(332 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3::before {
  width: calc((600 - 40) / 750 * 100vw);
  background: hsl(5deg, 100%, 27%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(5deg, 100%, 27%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:lang(en) {
  width: calc(810 / 750 * 100vw);
  padding: 0 0 0 calc(440 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:lang(en)::before {
  width: calc((810 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:nth-of-type(2) {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:nth-of-type(2)::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:nth-of-type(2)::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:nth-of-type(2):lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:nth-of-type(2):lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(60) {
  grid-row: 11 / 12; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(61) {
  grid-row: 11 / 12; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(62) {
  grid-row: 11 / 12; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(63) {
  grid-row: 11 / 12; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(64) {
  grid-row: 11 / 12; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(65) {
  grid-row: 11 / 12; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(66) {
  grid-row: 11 / 12; grid-column: 7 / 8;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(67) {
  grid-row: 11 / 12; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(68) {
  grid-row: 11 / 12; grid-column: 9 / 10;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(69) {
  grid-row: 11 / 12; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}

/* ### 2020年代 ### */
.corporate-management-block details:nth-of-type(10) > summary {
  background: hsl(146deg, 97%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div {
  width: calc(75% * 6.5);
  grid-template: auto calc(42 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr calc(41 / 750 * 100vw) 1fr / 1fr 1.5fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(1) {
  display: none;
}
/* + 2020年代 + */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(2) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(3) {
  grid-row: 1 / 2; grid-column: 1 / 2;
  color: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(4) {
  grid-row: 1 / 2; grid-column: 2 / 3;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(5) {
  grid-row: 1 / 2; grid-column: 3 / 4;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(6) {
  grid-row: 1 / 2; grid-column: 4 / 5;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(7) {
  grid-row: 1 / 2; grid-column: 5 / 6;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(8) {
  grid-row: 1 / 2; grid-column: 6 / 7;
  color: hsl(0, 0%, 100%);
  border-bottom: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  border-left: min(calc(1 / 750 * 100vw), 1px) solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) {
  grid-row: 2 / 3; grid-column: 1 / 7;
  padding: 0;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(147deg, 45%, 79%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3 {
  width: calc(400 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3::before {
  width: calc((400 - 40) / 750 * 100vw);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(147deg, 100%, 30%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3:lang(en) {
  width: calc(460 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3:lang(en)::before {
  width: calc((460 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(10) {
  grid-row: 3 / 4; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(11) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(12) {
  grid-row: 3 / 4; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(13) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地エンジニアリング ** */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) {
  grid-row: 4 / 5; grid-column: 1 / 7;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(222deg, 32%, 82%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3 {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(222deg, 50%, 33%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3:lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3:lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(17) {
  grid-row: 5 / 6; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(18) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(19) {
  grid-row: 5 / 6; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(20) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(21) {
  grid-row: 5 / 6; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(22) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
/* ** エム・エム ブリッジ ** */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) {
  grid-row: 6 / 7; grid-column: 1 / 7;
  border-bottom: min(calc(2 / 750 * 100vw), 2px) solid hsl(0, 0%, 72%);
  background: hsl(0, 50%, 89%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3 {
  width: calc(320 / 750 * 100vw);
  padding: 0 0 0 calc(12 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3::before {
  width: calc((320 - 40) / 750 * 100vw);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3::after {
  border-top: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-bottom: calc(21 / 750 * 100vw) solid transparent;
  border-left: calc(21 / 750 * 100vw) solid hsl(0, 60%, 43%);
  border-right: calc(21 / 750 * 100vw) solid transparent;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3:lang(en) {
  width: calc(430 / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3:lang(en)::before {
  width: calc((430 - 40) / 750 * 100vw);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(24) {
  grid-row: 7 / 8; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(25) {
  grid-row: 7 / 8; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(26) {
  grid-row: 7 / 8; grid-column: 3 / 4;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(27) {
  grid-row: 7 / 8; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(28) {
  grid-row: 7 / 8; grid-column: 5 / 6;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(29) {
  grid-row: 7 / 8; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}





@media (min-width: 641px) {

.corporate-management-block > .inner-block  {
  width: 100%;
  padding: 0;
}

.corporate-management-block > .inner-block > .intro-box {
  padding: 100px calc(max(50vw, 640px) - 50%);
}

.corporate-management-block > .inner-block > .intro-box > h2 {
  width: 1260px;
  margin: 0 auto 30px;
}

.corporate-management-block > .inner-block > .intro-box > p {
  width: 1260px; max-width: none;
  box-sizing: border-box;
  margin: 0 auto; padding: 0 628px 0 0;
}

.corporate-management-block details {
  margin: 24px 0 0;
}

.corporate-management-block details:first-of-type {
  margin-top: 0;
}

.corporate-management-block details > summary {
  grid-template: 64px auto / auto auto;
  padding: 30px calc(max(50vw, 640px) - 600px);
  cursor: pointer;
}

.corporate-management-block details > summary > h3 {
  font-size: 30px; line-height: 1;
}
.corporate-management-block details > summary > h3::after {
  margin: 0 0 0 26px;
  border-top: 19px solid hsl(0, 0%, 100%);
  border-left: 10.5px solid transparent;
  border-right: 10.5px solid transparent;
}

.corporate-management-block details > summary > dl {
  grid-template: auto / 80px auto;
  padding: 0 0 0 20px
}
.corporate-management-block details > summary > dl > dt {
  font-size: 18px;
}
.corporate-management-block details > summary > dl > dd {
  font-size: 18px;
}

.corporate-management-block details > summary > figure {
  grid-template-columns: auto 350px;
}
.corporate-management-block details > summary > figure > img {
  grid-row: 1 / 2; grid-column: 2 / 3;
  justify-self: start;
  height: 160px;
  max-width: auto;
}
.corporate-management-block details > summary > figure > figcaption {
  grid-row: 1 / 2; grid-column: 1 / 2;
  align-content: end;
  padding: 0 24px 0 0;
  font-size: 16px;
}

.corporate-management-block details > summary > div {
  height: 50px;
  font-size: 16px;
}

.corporate-management-block details > div > div > div {
  padding: 10px;
  font-size: 13px; line-height: calc(18 / 13);
  color: hsl(0, 0%, 9%);
  border-bottom: 1px solid hsl(0, 0%, 44%);
}

.corporate-management-block details > div > div > div > h3 {
  justify-content: center;
  text-align: center;
  height: calc(40 / 750 * 100vw);
  top: 50%;
  padding: 0 36px 0 0;
  font-size: 16px; line-height: calc(20 / 16);
  color: hsl(0, 0%, 100%);
  transform: translate(0, -50%);
}
.corporate-management-block details > div > div > div > h3::before {
  height: 110px;
}
.corporate-management-block details > div > div > div > h3 > br {
  display: inline;
}
.corporate-management-block details > div > div > div > h3:nth-of-type(2) {
  display: none;
}
.corporate-management-block details > div > div > div > h3:lang(en) {
  font-size: 14px;
}

.corporate-management-block details > div > div > div > h4 {
  font-size: 28px;
}

.corporate-management-block details > div > div > div h5 {
  margin: 12px 0 0;
  font-size: 18px; line-height: calc(24 / 18);
}
.corporate-management-block details > div > div > div h5:lang(en) {
  font-size: 16px;
}

.corporate-management-block details > div > div > div h6 {
  margin: 12px 0 0;
  font-size: 16px; line-height: calc(22 / 16);
}

.corporate-management-block details > div > div > div > ul {
  margin: 12px 0 0;
}

.corporate-management-block details > div > div > div div.column {
  gap: 12px;
  align-items: start;
  margin: 12px 0 0;
}

.corporate-management-block details > div > div > div figure {
  margin: 4px 0 0;
}
.corporate-management-block details > div > div > div figure > img {
  margin: 0;
}

.corporate-management-block details > div > div > div > aside {
  bottom: 10px; right: 10px;
  font-size: 100px; line-height: 70px;
}
.corporate-management-block details > div > div > div > aside > small {
  font-size: 60px;
}

.corporate-management-block details > div > div > div img {
  max-width: 160px;
  margin: 4px 0 0;
}

.corporate-management-block details > div > div > div a {
  text-decoration: underline;
  cursor: pointer;
}
.corporate-management-block details > div > div > div a:hover {
  text-decoration: none;
}

.corporate-management-block details > div > div > div *[data-modal-link] {
  text-decoration: underline;
  cursor: pointer;
}
.corporate-management-block details > div > div > div *[data-modal-link]:hover {
  text-decoration: none;
}

/* ### 1860年代 ### */
.corporate-management-block details:nth-of-type(1) > div > div {
  width: calc(600px + 330px * 4);
  grid-template: 220px 80px 120px 80px 80px 120px / 600px 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(1) > div > div:lang(en) {
  width: calc(640px + 330px * 4);
  grid-template: 220px 80px 180px 80px 80px 120px / 640px 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1860年代 + */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3::before,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(7) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(8) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(9) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(10) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(11) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(12) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(12) > h3,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(12) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(100px + 60px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(12) > h3::before,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(12) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(12) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(12) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(160px + 60px - 30px);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 340px;
  transform: none;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:lang(en)::before,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(13) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 160px;
  padding: 0 calc(var(--tmp-height) / 3) 0 320px;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(14) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(15) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:lang(en) {
  --tmp-width: 520px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 280px;
  transform: none;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3:lang(en)::before,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(18) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(19) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(20) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(21) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(22) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(23) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(23) > h3 {
  --tmp-width: 360px; --tmp-height: calc(60px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(23) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(23) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 350px;
  transform: none;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:lang(en)::before,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(24) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(25) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(26) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(27) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(28) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:lang(en) {
  --tmp-width: 545px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 290px;
  transform: none;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3::before,
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(29) > h3:lang(en) {
  --tmp-width: 587px; --tmp-height: 100px;
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(30) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(31) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(32) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(1) > div > div > div:nth-of-type(33) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}

/* ### 1910～30年代 ### */
.corporate-management-block details:nth-of-type(2) > div > div {
  width: calc(600px + 330px * 8);
  grid-template: 220px 80px 120px 80px 80px 120px / 600px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(2) > div > div:lang(en) {
  width: calc(640px + 330px * 8);
  grid-template: 220px 80px 120px 80px 80px 120px / 640px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1910年代 + */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* + 1920年代 + */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(5) {
  grid-column: 3 / 4;
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(6) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(7) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(8) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* + 1930年代 + */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(9) {
  grid-column: 6 / 7;
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(10) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(11) {
  grid-column: 8 / 9;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(12) {
  grid-column: 9 / 10;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3::before,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(16) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(17) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(18) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(19) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(20) {
  grid-row: 2 / 3; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(21) {
  grid-row: 2 / 3; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(22) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(22) > h3 {
  --tmp-width: 360px; --tmp-height: calc(100px + 60px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(22) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(22) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 340px;
  transform: none;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3::before,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(23) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 100px;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(24) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(25) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(26) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(27) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(28) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(29) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(30) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(31) {
  grid-row: 3 / 4; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:lang(en) {
  --tmp-width: 520px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 280px;
  transform: none;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3::before,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(32) > h3:lang(en) {
  --tmp-width: 560px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(33) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(34) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(35) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(36) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(37) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(38) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(39) {
  grid-row: 4 / 5; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(40) {
  grid-row: 4 / 5; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(41) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(41) > h3 {
  --tmp-width: 360px; --tmp-height: calc(60px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(41) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(41) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 350px;
  transform: none;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3::before,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(42) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(43) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(44) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(45) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(46) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(47) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(48) {
  grid-row: 5 / 6; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(49) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(50) {
  grid-row: 5 / 6; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:lang(en) {
  --tmp-width: 545px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 300px;
  transform: none;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3::before,
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(51) > h3:lang(en) {
  --tmp-width: 585px; --tmp-height: 100px;
  padding: 0 calc(var(--tmp-height) / 3) 0 290px;
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(52) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(53) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0deg, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(54) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(55) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0deg, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(56) {
  grid-row: 6 / 7; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(57) {
  grid-row: 6 / 7; grid-column: 7 / 8;
  background: hsl(0deg, 0%, 100%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(58) {
  grid-row: 6 / 7; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(2) > div > div > div:nth-of-type(59) {
  grid-row: 6 / 7; grid-column: 9 / 10;
  background: hsl(0deg, 0%, 100%);
}

/* ### 1940～50年代 ### */
.corporate-management-block details:nth-of-type(3) > div > div {
  width: calc(600px + 330px * 10);
  grid-template: 220px 80px 120px 120px 80px 120px / 600px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(3) > div > div:lang(en) {
  width: calc(640px + 330px * 10);
  grid-template: 220px 80px 200px 180px 80px 160px / 640px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1940年代 + */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(7) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* + 1950年代 + */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(8) {
  grid-column: 6 / 7;
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(9) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(10) {
  grid-column: 8 / 9;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(11) {
  grid-column: 9 / 10;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(12) {
  grid-column: 10 / 11;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(13) {
  grid-column: 11 / 12;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3::before,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(14) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(16) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(17) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(18) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(19) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(20) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(21) {
  grid-row: 2 / 3; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(22) {
  grid-row: 2 / 3; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(23) {
  grid-row: 2 / 3; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(24) {
  grid-row: 2 / 3; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(25) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(25) > h3 {
  --tmp-width: 360px; --tmp-height: calc(100px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(25) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(25) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(25) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(180px + 160px - 30px);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 340px;
  transform: none;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3::before,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(26) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 180px;
  padding: 0 calc(var(--tmp-height) / 3) 0 315px;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(27) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(28) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(29) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(30) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(31) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(32) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(33) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(34) {
  grid-row: 3 / 4; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(35) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(36) {
  grid-row: 3 / 4; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:lang(en) {
  --tmp-width: 520px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 270px;
  transform: none;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3::before,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(37) > h3:lang(en) {
  --tmp-width: 505px; --tmp-height: 160px;
  padding: 0 calc(var(--tmp-height) / 3) 0 190px;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(38) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(39) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(40) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(41) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(42) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(43) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(44) {
  grid-row: 4 / 5; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(45) {
  grid-row: 4 / 5; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(46) {
  grid-row: 4 / 5; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(47) {
  grid-row: 4 / 5; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(48) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(48) > h3 {
  --tmp-width: 360px; --tmp-height: calc(60px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(48) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(48) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(48) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(60px + 140px - 30px);
}

.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 350px;
  transform: none;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3::before,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(49) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(50) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(51) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(52) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(53) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(54) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(55) {
  grid-row: 5 / 6; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(56) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(57) {
  grid-row: 5 / 6; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(58) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(59) {
  grid-row: 5 / 6; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:lang(en) {
  --tmp-width: 545px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 300px;
  transform: none;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3::before,
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(60) > h3:lang(en) {
  --tmp-width: 585px; --tmp-height: 140px;
  padding: 0 calc(var(--tmp-height) / 3) 0 280px;
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(61) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(62) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(63) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(64) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(65) {
  grid-row: 6 / 7; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(66) {
  grid-row: 6 / 7; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(67) {
  grid-row: 6 / 7; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(68) {
  grid-row: 6 / 7; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(69) {
  grid-row: 6 / 7; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(3) > div > div > div:nth-of-type(70) {
  grid-row: 6 / 7; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}

/* ### 1960年代 ### */
.corporate-management-block details:nth-of-type(4) > div > div {
  width: calc(600px + 330px * 7);
  grid-template: 220px 80px 120px 120px 80px 120px / 600px 1fr 1fr 1.5fr 1fr 1.5fr 1fr;
}
.corporate-management-block details:nth-of-type(4) > div > div:lang(en) {
  width: calc(640px + 330px * 7);
  grid-template: 220px 80px 120px 120px 80px 120px / 640px 1fr 1fr 1.5fr 1fr 1.5fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1960年代 + */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(7) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(8) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3::before,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(9) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(10) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(11) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(12) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(13) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(16) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(16) > h3 {
  --tmp-width: 360px; --tmp-height: calc(100px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(16) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(16) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 340px;
  transform: none;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3::before,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(17) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 100px;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(20) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(22) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(23) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:lang(en) {
  --tmp-width: 520px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 270px;
  transform: none;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3::before,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(24) > h3:lang(en) {
  --tmp-width: 560px; --tmp-height: 100px;
  padding: 0 calc(var(--tmp-height) / 3) 0 265px;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(25) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(26) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(27) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(28) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(29) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(30) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(31) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(31) > h3 {
  --tmp-width: 360px; --tmp-height: calc(60px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(31) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(31) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 350px;
  transform: none;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3::before,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(32) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(33) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(34) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(35) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(36) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(37) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(38) {
  grid-row: 5 / 6; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:lang(en) {
  --tmp-width: 545px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 300px;
  transform: none;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3::before,
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(39) > h3:lang(en) {
  --tmp-width: 585px; --tmp-height: 100px;
  padding: 0 calc(var(--tmp-height) / 3) 0 295px;
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(40) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(41) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(42) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(43) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(44) {
  grid-row: 6 / 7; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(4) > div > div > div:nth-of-type(45) {
  grid-row: 6 / 7; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}

/* ### 1970年代 ### */
.corporate-management-block details:nth-of-type(5) > div > div {
  width: calc(600px + 330px * 8.5);
  grid-template: 220px 80px 160px 120px 120px 80px / 600px 1fr 1fr 1.5fr 1fr 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(5) > div > div:lang(en) {
  width: calc(640px + 330px * 8.5);
  grid-template: 220px 80px 200px 120px 120px 80px / 640px 1fr 1fr 1.5fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1970年代 + */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(7) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(8) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(9) {
  grid-column: 8 / 9;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(10) {
  grid-column: 9 / 10;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3::before,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(11) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(12) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(13) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(16) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(17) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(18) {
  grid-row: 2 / 3; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(19) {
  grid-row: 2 / 3; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(20) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(20) > h3 {
  --tmp-width: 360px; --tmp-height: calc(140px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(20) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(20) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(20) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(180px + 100px - 30px);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 140px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 330px;
  transform: none;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3::before,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(21) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 180px;
  padding: 0 calc(var(--tmp-height) / 3) 0 300px;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(22) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(23) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(24) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(25) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(26) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(27) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(28) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(29) {
  grid-row: 3 / 4; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:lang(en) {
  --tmp-width: 490px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 240px;
  transform: none;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3::before,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(30) > h3:lang(en) {
  --tmp-width: 505px; --tmp-height: 100px;
  padding: 0 calc(var(--tmp-height) / 3) 0 215px;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(31) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(32) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(33) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(34) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(35) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(36) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(37) {
  grid-row: 4 / 5; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(38) {
  grid-row: 4 / 5; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(39) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(39) > h3 {
  --tmp-width: 360px; --tmp-height: calc(100px + 60px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(39) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(39) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 340px;
  transform: none;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3::before,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(40) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 100px;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(41) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(42) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(43) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(44) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(45) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(46) {
  grid-row: 5 / 6; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(47) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(48) {
  grid-row: 5 / 6; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:lang(en) {
  --tmp-width: 520px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 280px;
  transform: none;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3::before,
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(49) > h3:lang(en) {
  --tmp-width: 560px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(50) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(51) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(52) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(53) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(54) {
  grid-row: 6 / 7; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(55) {
  grid-row: 6 / 7; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(56) {
  grid-row: 6 / 7; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(5) > div > div > div:nth-of-type(57) {
  grid-row: 6 / 7; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}

/* ### 1980年代 ### */
.corporate-management-block details:nth-of-type(6) > div > div {
  width: calc(600px + 330px * 9);
  grid-template: 220px 80px 160px 120px 80px 80px / 600px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(6) > div > div:lang(en) {
  width: calc(640px + 330px * 9);
  grid-template: 220px 80px 200px 120px 80px 80px / 640px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1980年代 + */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(7) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(8) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(9) {
  grid-column: 8 / 9;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(10) {
  grid-column: 9 / 10;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(11) {
  grid-column: 10 / 11;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3::before,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(12) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(13) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(16) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(17) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(18) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(19) {
  grid-row: 2 / 3; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(20) {
  grid-row: 2 / 3; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(21) {
  grid-row: 2 / 3; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(22) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(22) > h3 {
  --tmp-width: 360px; --tmp-height: calc(140px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(22) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(22) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(22) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(180px + 100px - 30px);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 140px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 330px;
  transform: none;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3::before,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(23) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 180px;
  padding: 0 calc(var(--tmp-height) / 3) 0 315px;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(24) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(25) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(26) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(27) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(28) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(29) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(30) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(31) {
  grid-row: 3 / 4; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(32) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:lang(en) {
  --tmp-width: 490px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 240px;
  transform: none;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3::before,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(33) > h3:lang(en) {
  --tmp-width: 505px; --tmp-height: 100px;
  padding: 0 calc(var(--tmp-height) / 3) 0 215px;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(34) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(35) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(36) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(37) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(38) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(39) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(40) {
  grid-row: 4 / 5; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(41) {
  grid-row: 4 / 5; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(42) {
  grid-row: 4 / 5; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(43) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(43) > h3 {
  --tmp-width: 360px; --tmp-height: calc(60px + 60px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(43) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(43) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 350px;
  transform: none;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3::before,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(44) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(45) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(46) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(47) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(48) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(49) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(50) {
  grid-row: 5 / 6; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(51) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(52) {
  grid-row: 5 / 6; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(53) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:lang(en) {
  --tmp-width: 545px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 310px;
  transform: none;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3::before,
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(54) > h3:lang(en) {
  --tmp-width: 585px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(55) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(56) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(57) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(58) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(59) {
  grid-row: 6 / 7; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(60) {
  grid-row: 6 / 7; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(61) {
  grid-row: 6 / 7; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(62) {
  grid-row: 6 / 7; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(6) > div > div > div:nth-of-type(63) {
  grid-row: 6 / 7; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}

/* ### 1990年代 ### */
.corporate-management-block details:nth-of-type(7) > div > div {
  width: calc(600px + 330px * 9);
  grid-template: 220px 80px 200px 120px 120px 80px / 600px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(7) > div > div:lang(en) {
  width: calc(640px + 330px * 9);
  grid-template: 220px 80px 200px 120px 120px 80px / 640px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1990年代 + */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(7) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(8) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(9) {
  grid-column: 8 / 9;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(10) {
  grid-column: 9 / 10;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(11) {
  grid-column: 10 / 11;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(12) {
  grid-column: 11 / 12;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3::before,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(16) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(17) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(18) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(19) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(20) {
  grid-row: 2 / 3; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(21) {
  grid-row: 2 / 3; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(22) {
  grid-row: 2 / 3; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(23) {
  grid-row: 2 / 3; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(24) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(24) > h3 {
  --tmp-width: 360px; --tmp-height: calc(180px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(24) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(24) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 180px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 310px;
  transform: none;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3::before,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(25) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 180px;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(26) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(27) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(28) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(29) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(30) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(31) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(32) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(33) {
  grid-row: 3 / 4; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(34) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(35) {
  grid-row: 3 / 4; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:lang(en) {
  --tmp-width: 467px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 210px;
  transform: none;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3::before,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(36) > h3:lang(en) {
  --tmp-width: 505px; --tmp-height: 100px;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(37) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(38) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(39) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(40) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(41) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(42) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(43) {
  grid-row: 4 / 5; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(44) {
  grid-row: 4 / 5; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(45) {
  grid-row: 4 / 5; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(46) {
  grid-row: 4 / 5; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(47) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(47) > h3 {
  --tmp-width: 360px; --tmp-height: calc(100px + 60px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(47) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(47) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 340px;
  transform: none;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3::before,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(48) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 100px;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(49) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(50) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(51) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(52) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(53) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(54) {
  grid-row: 5 / 6; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(55) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(56) {
  grid-row: 5 / 6; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(57) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(58) {
  grid-row: 5 / 6; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:lang(en) {
  --tmp-width: 520px; --tmp-height: 60px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 280px;
  transform: none;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3::before,
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(59) > h3:lang(en) {
  --tmp-width: 560px; --tmp-height: 60px;
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(60) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(61) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(62) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(63) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(64) {
  grid-row: 6 / 7; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(65) {
  grid-row: 6 / 7; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(66) {
  grid-row: 6 / 7; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(67) {
  grid-row: 6 / 7; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(68) {
  grid-row: 6 / 7; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(7) > div > div > div:nth-of-type(69) {
  grid-row: 6 / 7; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}

/* ### 2000年代 ### */
.corporate-management-block details:nth-of-type(8) > div > div {
  width: calc(600px + 330px * 9);
  grid-template: 220px 180px 160px 140px 120px 120px / 600px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(8) > div > div:lang(en) {
  width: calc(640px + 330px * 9);
  grid-template: 280px 290px 160px 210px 200px 120px / 640px 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1990年代 + */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(7) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(8) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(9) {
  grid-column: 8 / 9;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(10) {
  grid-column: 9 / 10;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(11) {
  grid-column: 10 / 11;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(12) {
  grid-column: 11 / 12;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 160px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3::before,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(13) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 270px;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(16) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(17) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(18) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(19) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(20) {
  grid-row: 2 / 3; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(21) {
  grid-row: 2 / 3; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(22) {
  grid-row: 2 / 3; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(23) {
  grid-row: 2 / 3; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(24) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(24) > h3 {
  --tmp-width: 360px; --tmp-height: calc(140px + 120px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(24) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(24) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(24) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(140px + 190px - 30px);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 140px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 330px;
  transform: none;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3::before,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(25) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 140px;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(26) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(27) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(28) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(29) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(30) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(31) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(32) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(33) {
  grid-row: 3 / 4; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(34) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(35) {
  grid-row: 3 / 4; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:lang(en) {
  --tmp-width: 492px; --tmp-height: 120px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 230px;
  transform: none;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3::before,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(36) > h3:lang(en) {
  --tmp-width: 532px; --tmp-height: 190px;
  padding: 0 calc(var(--tmp-height) / 3) 0 210px;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(37) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(38) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(39) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(40) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(41) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(42) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(43) {
  grid-row: 4 / 5; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(44) {
  grid-row: 4 / 5; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(45) {
  grid-row: 4 / 5; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(46) {
  grid-row: 4 / 5; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(47) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(47) > h3 {
  --tmp-width: 360px; --tmp-height: calc(100px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(47) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(47) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(47) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(180px + 100px - 30px);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 340px;
  transform: none;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3::before,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(48) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 180px;
  padding: 0 calc(var(--tmp-height) / 3) 0 315px;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(49) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(50) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(51) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(52) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(53) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(54) {
  grid-row: 5 / 6; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(55) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(56) {
  grid-row: 5 / 6; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(57) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(58) {
  grid-row: 5 / 6; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:lang(en) {
  --tmp-width: 520px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 265px;
  transform: none;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3::before,
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(59) > h3:lang(en) {
  --tmp-width: 505px; --tmp-height: 100px;
  padding: 0 calc(var(--tmp-height) / 3) 0 215px;
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(60) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(61) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(62) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(63) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(64) {
  grid-row: 6 / 7; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(65) {
  grid-row: 6 / 7; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(66) {
  grid-row: 6 / 7; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(67) {
  grid-row: 6 / 7; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(68) {
  grid-row: 6 / 7; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(8) > div > div > div:nth-of-type(69) {
  grid-row: 6 / 7; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}

/* ### 2010年代 ### */
.corporate-management-block details:nth-of-type(9) > div > div {
  width: calc(600px + 330px * 9.5);
  grid-template: 260px 160px 200px 120px 200px 120px / 600px 1fr 1fr 1.5fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(9) > div > div:lang(en) {
  width: calc(640px + 330px * 9.5);
  grid-template: 310px 180px 270px 120px 280px 120px / 640px 1fr 1fr 1.5fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 1990年代 + */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(7) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(8) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(9) {
  grid-column: 8 / 9;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(10) {
  grid-column: 9 / 10;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(11) {
  grid-column: 10 / 11;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(12) {
  grid-column: 11 / 12;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 140px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3::before,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(13) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 160px;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(16) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(17) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(18) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(19) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(20) {
  grid-row: 2 / 3; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(21) {
  grid-row: 2 / 3; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(22) {
  grid-row: 2 / 3; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(23) {
  grid-row: 2 / 3; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地株式会社宮地鐵工所 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(24) {
  display: block;
  grid-row: 3 / 5; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(24) > h3 {
  --tmp-width: 360px; --tmp-height: calc(180px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(24) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(24) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(24) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(250px + 100px - 30px);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 180px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 310px;
  transform: none;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3::before,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(163deg, 44%, 42%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(163deg, 44%, 42%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(25) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 250px;
  padding: 0 calc(var(--tmp-height) / 3) 0 290px;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(26) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(27) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(28) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(29) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(30) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(31) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(32) {
  grid-row: 3 / 4; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(33) {
  grid-row: 3 / 4; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(34) {
  grid-row: 3 / 4; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(35) {
  grid-row: 3 / 4; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地建設工業株式会社 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:lang(en) {
  --tmp-width: 465px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 210px;
  transform: none;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3::before,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(186deg, 47%, 41%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(186deg, 47%, 41%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(36) > h3:lang(en) {
  --tmp-width: 460px; --tmp-height: 100px;
  padding: 0 calc(var(--tmp-height) / 3) 0 165px;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(37) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(38) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(39) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(40) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(41) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(42) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(43) {
  grid-row: 4 / 5; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(44) {
  grid-row: 4 / 5; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(45) {
  grid-row: 4 / 5; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(46) {
  grid-row: 4 / 5; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工工事株式会社 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(47) {
  display: block;
  grid-row: 5 / 7; grid-column: 1 / 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(47) > h3 {
  --tmp-width: 360px; --tmp-height: calc(180px + 100px - 30px);
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
  z-index: 2;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(47) > h3::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(47) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(47) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: calc(260px + 100px - 30px);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) {
  grid-row: 5 / 6; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:lang(en) {
  --tmp-width: 590px; --tmp-height: 180px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: auto; bottom: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 290px;
  transform: none;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3::before,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(332deg, 64%, 63%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(332deg, 64%, 63%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(48) > h3:lang(en) {
  --tmp-width: 630px; --tmp-height: 260px;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(49) {
  grid-row: 5 / 6; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(50) {
  grid-row: 5 / 6; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(51) {
  grid-row: 5 / 6; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(52) {
  grid-row: 5 / 6; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(53) {
  grid-row: 5 / 6; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(54) {
  grid-row: 5 / 6; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(55) {
  grid-row: 5 / 6; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(56) {
  grid-row: 5 / 6; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(57) {
  grid-row: 5 / 6; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(58) {
  grid-row: 5 / 6; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}
/* ** 三菱重工業株式会社 ** */
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) {
  grid-row: 6 / 7; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 72%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:lang(en) {
  --tmp-width: 467px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  top: 5px;
  padding: 0 calc(var(--tmp-height) / 3) 0 210px;
  transform: none;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3::before,
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(5deg, 100%, 27%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(5deg, 100%, 27%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(59) > h3:lang(en) {
  --tmp-width: 450px; --tmp-height: 100px;
  padding: 0 calc(var(--tmp-height) / 3) 0 160px;
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(60) {
  grid-row: 6 / 7; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(61) {
  grid-row: 6 / 7; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(62) {
  grid-row: 6 / 7; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(63) {
  grid-row: 6 / 7; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(64) {
  grid-row: 6 / 7; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(65) {
  grid-row: 6 / 7; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(66) {
  grid-row: 6 / 7; grid-column: 8 / 9;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(67) {
  grid-row: 6 / 7; grid-column: 9 / 10;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(68) {
  grid-row: 6 / 7; grid-column: 10 / 11;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(9) > div > div > div:nth-of-type(69) {
  grid-row: 6 / 7; grid-column: 11 / 12;
  background: hsl(0, 0%, 100%);
}

/* ### 2020年代 ### */
.corporate-management-block details:nth-of-type(10) > div > div {
  width: calc(600px + 330px * 6.5);
  grid-template: 260px 160px 140px 120px / 600px 1fr 1.5fr 1fr 1fr 1fr 1fr;
}
.corporate-management-block details:nth-of-type(10) > div > div:lang(en) {
  width: calc(640px + 330px * 6.5);
  grid-template: 260px 160px 160px 120px / 640px 1fr 1.5fr 1fr 1fr 1fr 1fr;
}
/* ** 主な出来事 ** */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(1) {
  display: block;
  grid-row: 1 / 2; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
/* + 2020年代 + */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(2) {
  border-bottom: none;
  background: transparent;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(3) {
  grid-column: 2 / 3;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(4) {
  grid-column: 3 / 4;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(5) {
  grid-column: 4 / 5;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(6) {
  grid-column: 5 / 6;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(7) {
  grid-column: 6 / 7;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  background: hsl(147deg, 100%, 30%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(8) {
  grid-column: 7 / 8;
  border-bottom: 1px solid hsl(147deg, 57%, 43%);
  border-left: 1px solid hsl(147deg, 57%, 43%);
}
/* ** 宮地エンジニアリンググループ ** */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) {
  grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3,
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 140px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3::before,
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(9) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(147deg, 100%, 30%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(147deg, 100%, 30%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(10) {
  grid-row: 2 / 3; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(11) {
  grid-row: 2 / 3; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(12) {
  grid-row: 2 / 3; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(13) {
  grid-row: 2 / 3; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(14) {
  grid-row: 2 / 3; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(15) {
  grid-row: 2 / 3; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
/* ** 宮地エンジニアリング ** */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) {
  grid-row: 3 / 4; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3,
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 120px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3::before,
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(222deg, 50%, 33%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(222deg, 50%, 33%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(222deg, 50%, 33%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(16) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 140px;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(17) {
  grid-row: 3 / 4; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(18) {
  grid-row: 3 / 4; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(19) {
  grid-row: 3 / 4; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(20) {
  grid-row: 3 / 4; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(21) {
  grid-row: 3 / 4; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(22) {
  grid-row: 3 / 4; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}
/* ** エム・エム ブリッジ ** */
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) {
  grid-row: 4 / 5; grid-column: 1 / 2;
  border-bottom: 1px solid hsl(0, 0%, 44%);
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3,
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3:lang(en) {
  --tmp-width: 360px; --tmp-height: 100px;
  width: var(--tmp-width); height: var(--tmp-height);
  padding: 0 calc(var(--tmp-height) / 3) 0 0;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3::before,
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3:lang(en)::before {
  width: calc(var(--tmp-width) - calc(var(--tmp-height) / 3 * 2)); height: var(--tmp-height);
  background: hsl(0, 60%, 43%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(23) > h3::after {
  border-top: calc(var(--tmp-height) / 2) solid hsl(0, 60%, 43%);
  border-bottom: calc(var(--tmp-height) / 2) solid transparent;
  border-left: round(up, calc(var(--tmp-height) / 3), 1px) solid hsl(0, 60%, 43%);
  border-right: round(up, calc(var(--tmp-height) / 3), 1px) solid transparent;
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(24) {
  grid-row: 4 / 5; grid-column: 2 / 3;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(25) {
  grid-row: 4 / 5; grid-column: 3 / 4;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(26) {
  grid-row: 4 / 5; grid-column: 4 / 5;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(27) {
  grid-row: 4 / 5; grid-column: 5 / 6;
  background: hsl(0, 0%, 100%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(28) {
  grid-row: 4 / 5; grid-column: 6 / 7;
  background: hsl(146deg, 44%, 94%);
}
.corporate-management-block details:nth-of-type(10) > div > div > div:nth-of-type(29) {
  grid-row: 4 / 5; grid-column: 7 / 8;
  background: hsl(0, 0%, 100%);
}

}