.page-about {
  --about-gap: clamp(56px, 8vw, 128px);
  --about-measure: min(34em, 100%);
  --about-text: rgba(241, 245, 240, 0.9);
  background: var(--c-void);
  color: var(--c-white);
  overflow-x: hidden;
  padding-bottom: clamp(72px, 10vw, 144px);
}

.page-about .breadcrumb {
  padding-top: clamp(20px, 3vw, 32px);
}

.page-about .about-head {
  padding: clamp(26px, 4vw, 52px) 0 clamp(34px, 5vw, 60px);
}

.page-about .eyebrow {
  color: var(--c-orange);
  letter-spacing: 0.18em;
}

.page-about .about-head__title {
  margin: 16px 0 0;
  font-size: clamp(36px, 7.4vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 14em;
}

.page-about .about-head__lede {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: var(--about-measure);
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.8;
  color: var(--about-text);
}

.page-about .about-facts {
  list-style: none;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-softest);
  border: 1px solid var(--line-softest);
}

.page-about .about-facts__item {
  background: var(--c-void);
  padding: 16px 18px 18px;
}

.page-about .about-facts__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--c-orange);
}

.page-about .about-facts__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-muted);
}

.page-about .about-toc {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 6px 0;
}

.page-about .about-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 24px;
}

.page-about .about-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  color: var(--c-blue);
  border-bottom-color: var(--c-orange);
}

.page-about .about-toc__num {
  color: var(--c-orange);
}

.page-about .about-sec {
  padding-top: var(--about-gap);
}

.page-about .about-sec__head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-about .about-sec__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-about .about-sec__title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.01em;
  max-width: 22em;
}

.page-about .about-sec__title::after {
  content: "";
  display: block;
  width: 56px;
  height: 2px;
  margin-top: 18px;
  background: var(--c-orange);
}

.page-about .about-split {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-prose {
  max-width: var(--about-measure);
  font-size: clamp(16px, 1.1vw, 17px);
  line-height: 1.85;
  color: var(--about-text);
}

.page-about .about-prose p {
  margin: 0 0 1.1em;
}

.page-about .about-prose p:last-child {
  margin-bottom: 0;
}

.page-about .about-prose a {
  color: var(--c-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-aside {
  min-width: 0;
}

.page-about .about-aside__note {
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding-left: 14px;
  border-left: 2px solid var(--c-grid);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  max-width: 30em;
}

.page-about .path {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .path__step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num text";
  gap: 2px 0;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .path__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--c-orange);
  padding-top: 2px;
}

.page-about .path__title {
  grid-area: title;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-white);
}

.page-about .path__text {
  grid-area: text;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .figure {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
}

.page-about .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--c-panel);
}

.page-about .figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-about .about-region-figure {
  margin-bottom: clamp(26px, 3.6vw, 44px);
}

.page-about .about-region-figure .figure__frame img {
  aspect-ratio: 16 / 7;
}

.page-about .about-team-figure {
  margin-bottom: 0;
}

.page-about .about-team-figure .figure__frame img {
  aspect-ratio: 3 / 2;
}

.page-about .about-network-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-about .about-network-figure .figure__frame img {
  aspect-ratio: 1 / 1;
}

.page-about .about-kv {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-kv .kv-table__row {
  display: grid;
  grid-template-columns: minmax(0, 6.5em) minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-softest);
}

.page-about .about-kv .kv-table__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-blue);
}

.page-about .about-kv .kv-table__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--about-text);
}

.page-about .about-timeline {
  border-top: 1px solid var(--line-soft);
}

.page-about .about-timeline__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-softest);
}

.page-about .about-timeline__tab {
  appearance: none;
  min-height: 48px;
  padding: 10px 16px;
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-timeline__tab:hover,
.page-about .about-timeline__tab:focus-visible {
  color: var(--c-white);
  border-color: var(--c-orange-soft);
}

.page-about .about-timeline__tab[aria-selected="true"] {
  color: var(--c-white);
  border-color: var(--c-orange);
  background: var(--c-panel);
  box-shadow: inset 0 -2px 0 0 var(--c-orange);
}

.page-about .about-timeline__panel {
  padding: clamp(24px, 3.4vw, 40px) 0 0;
}

.page-about .about-timeline__panel[hidden] {
  display: none;
}

.page-about .about-timeline__year {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: 0.06em;
  color: var(--c-orange);
}

.page-about .about-timeline__panel .about-prose {
  font-size: clamp(16px, 1.1vw, 17px);
}

.page-about .about-honor {
  margin-top: clamp(28px, 4vw, 44px);
  border: 1px solid var(--line-soft);
  background: var(--c-panel);
}

.page-about .about-honor .panel__head {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-honor .panel__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.page-about .about-honor .panel__body {
  padding: clamp(18px, 2.6vw, 28px) 20px;
}

.page-about .about-honor .panel__note {
  margin: 0;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--line-softest);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .about-honor__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-about .about-honor__item {
  display: grid;
  gap: 8px;
}

.page-about .about-honor__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--about-text);
}

.page-about .about-web {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-about .about-next {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-next__item {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-next__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 48px;
  padding: 16px 4px;
  text-decoration: none;
  color: inherit;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  color: var(--c-blue);
  padding-left: 10px;
}

.page-about .about-next__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-about .about-next__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .about-next__link:hover .about-next__v,
.page-about .about-next__link:focus-visible .about-next__v {
  color: var(--c-white);
}

@media (min-width: 720px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-facts__item {
    padding: 20px 22px 24px;
  }

  .page-about .about-split {
    grid-template-columns: 5fr 8fr;
  }

  .page-about .about-split--flip {
    grid-template-columns: 8fr 5fr;
  }

  .page-about .about-team-figure {
    align-self: start;
  }

  .page-about .about-next__link {
    flex-direction: row;
    align-items: baseline;
    gap: 20px;
  }

  .page-about .about-next__k {
    flex: 0 0 7em;
  }
}

@media (min-width: 1080px) {
  .page-about .about-split {
    grid-template-columns: 5fr 8fr;
    column-gap: clamp(48px, 6vw, 96px);
  }

  .page-about .about-split--flip {
    grid-template-columns: 8fr 5fr;
  }

  .page-about .about-web {
    max-width: 360px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-toc__link,
  .page-about .about-next__link,
  .page-about .about-timeline__tab {
    transition: none;
  }
}
</main>