@layer page {
  @media screen and (min-width: 768px) {
    .about-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.375rem;
    }
  }
  @media screen and (max-width: 767px) {
    .about-list {
      display: flex;
      flex-direction: column;
      gap: 4.8vw;
    }
  }
  .about-list__btn {
    background: #fff;
    border: 1px solid var(--main);
    font-size: 1.125rem;
    padding: 0.5625rem 0.375rem 0.375rem 0.375rem;
    transition-property: background, color;
    transition-duration: 0.25s;
    box-sizing: border-box;
    color: var(--main);
    text-align: center;
    line-height: 1.5;
  }
  @media screen and (min-width: 768px) {
    .about-list__btn {
      opacity: 0.5;
    }
    .about-list__btn[aria-selected=true] {
      opacity: 1;
    }
  }
  @media screen and (max-width: 767px) {
    .about-list__btn {
      width: 100%;
    }
  }
  .about-output {
    transition: 0.5s opacity;
    opacity: 1;
    height: auto;
    contain: content;
  }
  .about-output:not(.is-visible) {
    visibility: hidden;
    overflow: hidden;
    opacity: 0;
  }
  @media screen and (min-width: 768px) {
    .about-panel {
      transition: 0.5s opacity;
      opacity: 1;
      height: auto;
    }
  }
  @media screen and (max-width: 767px) {
    .about-panel {
      transition-duration: 1s;
    }
  }
  @media screen and (min-width: 768px) {
    .about-panel:not(.is-visible) {
      visibility: hidden;
      overflow: hidden;
      opacity: 0;
      height: 0;
    }
  }
  .about-unit {
    line-height: 2;
  }
  @media screen and (min-width: 768px) {
    .about-unit {
      padding-top: 3.125rem;
    }
  }
  @media screen and (max-width: 767px) {
    .about-unit__label {
      margin-bottom: 4.8vw;
    }
  }
  .about-row {
    display: grid;
    grid-template-columns: 10rem 1fr;
    gap: 1.875rem;
  }
  @media screen and (max-width: 767px) {
    .about-row {
      display: flex;
      flex-direction: column;
      gap: 2.6666666667vw;
    }
  }
  @media screen and (max-width: 767px) {
    .about-timeline-nav-wrap {
      position: sticky;
      top: 0;
      overflow: auto;
      margin-left: calc(var(--sp-pad) * -1);
      margin-right: calc(var(--sp-pad) * -1);
    }
  }
  .about-timeline-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  @media screen and (min-width: 768px) {
    .about-timeline-nav {
      padding-bottom: 12.5rem;
    }
  }
  @media screen and (max-width: 767px) {
    .about-timeline-nav {
      flex-direction: row;
      gap: 2.6666666667vw;
      padding-left: var(--sp-pad);
      padding-right: var(--sp-pad);
    }
  }
  .about-timeline-nav__btn {
    background: #fff;
    border: 1px solid #9fa0a0;
    font-size: 1.125rem;
    padding: 0.375rem;
    transition-property: background, color;
    transition-duration: 0.25s;
    box-sizing: border-box;
    color: var(--main);
    text-align: center;
    color: #9fa0a0;
  }
  .about-timeline-nav__btn[aria-selected=true] {
    border-color: var(--main);
    color: var(--main);
  }
  @media screen and (max-width: 767px) {
    .about-timeline-nav__btn {
      font-size: 4vw;
      padding: 0.5333333333vw 4.2666666667vw;
      white-space: nowrap;
    }
  }
  @media screen and (min-width: 768px) {
    .about-timeline-box {
      position: sticky;
      top: 3.75rem;
      padding-top: 0.625rem;
      height: calc(100vh - 3.75rem);
    }
  }
  @media screen and (min-width: 768px) {
    .about-timeline {
      max-height: calc(100% - 6.25rem);
      overflow-y: auto;
    }
  }
  .about-timeline.is-source {
    display: none;
  }
  .about-timeline__unit > dt {
    margin-bottom: 0.5rem;
  }
  .about-timeline__item {
    line-height: 1.6;
  }
  .about-timeline__item + .about-timeline__item {
    margin-top: 0.625rem;
  }
  .about-timeline-pager {
    display: flex;
    justify-content: space-between;
    margin-top: 2.5rem;
  }
  .about-timeline-pager button {
    background: transparent;
    border: 0;
  }
  .about-timeline-pager button[disabled] {
    cursor: default;
    opacity: 0.2;
  }
}