@charset "UTF-8";
/**
 * メディアクエリ
 * @param {string} $mode - max または min
 * @param {number} $width - 設定値
 */
/**
 * メディアクエリ PC
 * @param {number} [$width:$breakpoin] - 設定値
 */
/**
 * メディアクエリ SP
 * @param {number} [$width:$breakpoin] - 設定値
 */
/**
 * メディアクエリによるIE11ハック
 */
/**
 * VW計算
 * @param {string} $property  - プロパティ
 * @param {number} $value - 基準となる値
 * @param {number} $basewidth - 基準となるウィンドウ幅
 * @param {number} [$maxwidth:0] - 拡大を停止するウィンドウ幅
 * @param {number} [$minwidth:0] - 縮小を停止するウィンドウ幅
 */
.p50th-history {
  font-weight: 500;
}
@-webkit-keyframes fadein {
  0% {
    opacity: 0;
    transform: translate3d(0, 90px, 0);
  }
  100% {
    opacity: 1;
    transform: translateZ(0);
  }
}
@keyframes fadein {
  0% {
    opacity: 0;
    transform: translate3d(0, 90px, 0);
  }
  100% {
    opacity: 1;
    transform: translateZ(0);
  }
}
.p50th-history .js-fadein {
  opacity: 0;
}
.p50th-history .js-fadein.is-fadein {
  -webkit-animation: fadein forwards 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
  animation: fadein forwards 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-inner {
    padding-block: 60px 120px;
    padding-inline: 83px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-inner {
    padding-top: 21.3333333333vw;
    padding-bottom: 26.6666666667vw;
  }
}
.p50th-history .history-title {
  font-weight: bold;
  text-align: center;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-title {
    font-size: 40px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-title {
    font-size: 6.4vw;
    line-height: 1.3;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-title span {
    font-size: 4.8vw;
  }
}
.p50th-history .history-container {
  background-color: #fff;
  box-shadow: 6px 6px 36px rgba(0, 0, 0, 0.16);
  max-width: 1200px;
  margin-inline: auto;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-container {
    margin-top: 60px;
    padding-top: 80px;
    border-radius: 40px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-container {
    margin-top: 10.6666666667vw;
    padding-top: 16vw;
    padding-inline: 5.3333333333vw;
    border-radius: 20px;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-category {
    display: flex;
    justify-content: center;
    gap: 20px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-category {
    display: none;
  }
}
.p50th-history .history-category li {
  padding-block: 15px;
  display: grid;
  place-content: center;
  font-size: 24px;
  font-weight: bold;
}
.p50th-history .history-category .kensetsu {
  background-color: var(--p50th-blue);
  width: 566px;
  color: #fff;
}
.p50th-history .history-category .another {
  background-color: #FFDF64;
  width: 380px;
}
.p50th-history .history-contents {
  position: relative;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-contents {
    max-width: 966px;
    margin-inline: auto;
    margin-top: 60px;
    padding-bottom: 40px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-contents {
    padding-bottom: 8vw;
  }
}
.p50th-history .history-border {
  background-color: var(--p50th-blue);
  position: absolute;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-border {
    width: 1px;
    height: calc(100% - 15px);
    top: 15px;
    left: 124px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-border {
    width: 0.2666666667vw;
    height: calc(100% - 4vw);
    top: 4vw;
    left: 2.9333333333vw;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-section {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-section ~ .history-section {
    margin-top: 80px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-section ~ .history-section {
    margin-top: 21.3333333333vw;
  }
}
.p50th-history .history-section h3 {
  font-weight: bold;
  position: relative;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-section h3 {
    font-size: 34px;
    padding-left: 15px;
    padding-right: 40px;
    flex-shrink: 0;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-section h3 {
    font-size: 7.4666666667vw;
    display: flex;
    align-items: center;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 2.6666666667vw;
  }
}
.p50th-history .history-section h3::after {
  content: "";
  display: block;
  background-color: var(--p50th-blue);
  border-radius: 50%;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-section h3::after {
    width: 25px;
    height: 25px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-section h3::after {
    width: 6.1333333333vw;
    height: 6.1333333333vw;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu {
    width: 100%;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock {
  position: relative;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock {
    margin-top: 60px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock {
    margin-top: 16vw;
    padding-left: 8vw;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock:first-of-type {
    margin-top: 90px;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock.top-brock {
    margin-top: initial !important;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock.top-brock {
    margin-top: 4vw;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock.top-brock::before {
  display: none;
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock.top-brock::after {
    display: none;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock::before {
  content: "";
  display: block;
  background: url("/50th/assets/img/history/icon-circle.svg") no-repeat center/cover;
  position: absolute;
  top: 0.5em;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock::before {
    width: 19px;
    height: 19px;
    right: calc(100% + 13px);
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock::before {
    width: 4.2666666667vw;
    height: 4.2666666667vw;
    left: 1.0666666667vw;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock::after {
  content: "";
  display: block;
  position: absolute;
  border-top: 1px dashed var(--p50th-blue);
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock::after {
    width: 11px;
    height: 1px;
    top: 17px;
    right: calc(100% + 4px);
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock::after {
    width: 2.1333333333vw;
    height: 0.2666666667vw;
    top: 3.7333333333vw;
    left: 5.0666666667vw;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock:has(.year)::after {
    right: 100%;
    width: 15px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock:has(.year)::after {
    width: 3.2vw;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock .year {
  display: grid;
  place-content: center;
  background-color: var(--p50th-blue);
  border-radius: 200px;
  color: #fff;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .year {
    width: 88px;
    height: 34px;
    margin-bottom: 14px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .year {
    width: 21.3333333333vw;
    height: 8vw;
    margin-bottom: 4vw;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock .text,
.p50th-history .history-kensetsu .history-kensetsu-brock .list {
  font-weight: bold;
  line-height: 1.8;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .text,
.p50th-history .history-kensetsu .history-kensetsu-brock .list {
    font-size: 20px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .text,
.p50th-history .history-kensetsu .history-kensetsu-brock .list {
    font-size: 4.2666666667vw;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock .text small,
.p50th-history .history-kensetsu .history-kensetsu-brock .list small {
  color: var(--p50th-blue);
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .text small,
.p50th-history .history-kensetsu .history-kensetsu-brock .list small {
    font-size: 14px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .text small,
.p50th-history .history-kensetsu .history-kensetsu-brock .list small {
    font-size: 3.4666666667vw;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock .note {
  font-weight: bold;
  line-height: 1.8;
  padding-left: 1em;
  text-indent: -1em;
  display: block;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .note {
    font-size: 14px;
    margin-block: 8px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .note {
    font-size: 3.4666666667vw;
    margin-block: 1.3333333333vw;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .image {
    margin-top: 20px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock .image {
    margin-top: 4vw;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock li {
  padding-left: 1em;
  text-indent: -1em;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock li:not(:first-child) {
    margin-top: 15px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock li:not(:first-child) {
    margin-top: 4vw;
  }
}
.p50th-history .history-kensetsu .history-kensetsu-brock li img {
  margin-left: -1em;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock li img {
    margin-top: 20px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-kensetsu .history-kensetsu-brock li img {
    margin-top: 4vw;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-another {
    width: 380px;
    flex-shrink: 0;
    padding: 30px;
    margin-top: 70px;
    background-color: #EDEDED;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-another {
    display: none;
  }
}
.p50th-history .history-another .history-another-brock ~ .history-another-brock {
  margin-top: 30px;
}
.p50th-history .history-another .year {
  font-weight: bold;
  margin-bottom: 10px;
}
.p50th-history .history-another .text, .p50th-history .history-another li {
  line-height: 1.7;
  font-size: 14px;
}
.p50th-history .history-another .text small, .p50th-history .history-another li small {
  font-size: 12px;
}
.p50th-history .history-another .image {
  margin-top: 10px;
  width: 200px;
}
.p50th-history .history-another .image.image-full {
  width: 100%;
}
.p50th-history .history-another li {
  padding-left: 1em;
  text-indent: -1em;
}
.p50th-history .history-another li:not(:first-child) {
  margin-top: 10px;
}
.p50th-history .history-nav {
  position: sticky;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-nav {
    bottom: 20px;
    margin-top: 50px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-nav {
    bottom: 5.3333333333vw;
    margin-top: 13.3333333333vw;
  }
}
.p50th-history .history-nav .history-nav-inner {
  background-color: var(--p50th-blue);
  border-radius: 200px;
  margin-inline: auto;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-nav .history-nav-inner {
    width: 966px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-nav .history-nav-inner {
    width: 89.3333333333vw;
    overflow-x: scroll;
  }
}
.p50th-history .history-nav .nav {
  display: flex;
  align-items: center;
  justify-content: center;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-nav .nav {
    gap: 14px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-nav .nav {
    gap: 8vw;
    padding-inline: 8vw;
    width: 124vw;
    box-sizing: content-box;
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-nav .nav li {
    display: flex;
    align-items: center;
    gap: 14px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-nav .nav li {
    flex-shrink: 0;
  }
}
.p50th-history .history-nav .nav li a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-weight: bold;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-nav .nav li a {
    font-size: 14px;
    padding-block: 24px;
  }
}
@media screen and (max-width: 1024px) {
  .p50th-history .history-nav .nav li a {
    padding-block: 4.5333333333vw;
  }
}
.p50th-history .history-nav .nav li a.active {
  color: #fff;
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-nav .nav li::after {
    content: "";
    display: block;
    width: 52px;
    height: 1px;
    border-top: 1px dashed rgba(255, 255, 255, 0.6);
  }
}
@media screen and (min-width: 1025px) {
  .p50th-history .history-nav .nav li:last-child::after {
    display: none;
  }
}