.page-about {
  background: var(--ink-900);
  color: var(--paper-050);
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-about .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 28px);
  font-size: 13px;
  font-family: var(--font-mono);
}

.page-about .about-hero {
  padding: clamp(20px, 3vw, 36px) 0 clamp(36px, 5vw, 64px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .about-hero .eyebrow {
  color: var(--amber-200);
  letter-spacing: 0.08em;
}

.page-about h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 5.6vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  font-weight: 800;
  max-width: 18em;
}

.page-about .about-hero__intro {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--slate-300);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .about-facts li {
  background: var(--ink-800);
  padding: 16px 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-facts__num {
  font-size: clamp(24px, 3.4vw, 30px);
  font-weight: 700;
  color: var(--amber-500);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-about .about-facts__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--slate-300);
}

.page-about .about-rule {
  height: 1px;
  margin: 0 var(--edge);
  background: var(--line);
}

.page-about .section {
  padding: clamp(36px, 5.4vw, 72px) 0;
}

.page-about .section--last {
  padding-bottom: clamp(20px, 3vw, 32px);
}

.page-about .about-sec-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .about-sec-head--tight {
  max-width: 56ch;
}

.page-about .about-sec-head h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-about .about-sec-head__sub {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-300);
}

.page-about .about-origin {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-about .about-origin__head h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .about-origin__body {
  max-width: var(--measure);
  border-left: 1px solid var(--line);
  padding-left: clamp(16px, 3vw, 28px);
}

.page-about .prose p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: var(--paper-050);
}

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

.page-about .about-figure {
  margin: 0 0 clamp(24px, 3.5vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-1);
}

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

.page-about .about-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate-300);
}

.page-about .about-timeline {
  display: grid;
  gap: 0;
}

.page-about .tl-rail {
  display: none;
}

.page-about .tl-node {
  position: relative;
  padding: 0 0 clamp(28px, 4vw, 44px) clamp(20px, 3.2vw, 34px);
  border-left: 1px solid var(--line);
}

.page-about .tl-node:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-about .tl-node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 14px;
  width: 9px;
  height: 9px;
  background: var(--amber-500);
  box-shadow: 0 0 0 4px var(--ink-900);
  transition: transform 200ms var(--ease);
}

.page-about .tl-node:hover::before {
  transform: scale(1.25);
}

.page-about .tl-year {
  margin: 0;
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-about .tl-kicker {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--celadon-500);
}

.page-about .tl-node h3 {
  margin: 8px 0 0;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.4;
  font-weight: 700;
}

.page-about .tl-node > p:not(.tl-year):not(.tl-kicker):not(.tl-more) {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-300);
}

.page-about .tl-more {
  margin: 14px 0 0;
  font-size: 14px;
}

.page-about .tl-more a,
.page-about .cover-tail a,
.page-about .visit-note a {
  color: var(--amber-200);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-about .tl-more a:hover,
.page-about .cover-tail a:hover {
  color: var(--amber-500);
}

.page-about .team-grid {
  display: grid;
  gap: 14px;
}

.page-about .team-card {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 20px 18px 22px;
  background: var(--ink-800);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--amber-500);
  transform: translateY(-2px);
}

.page-about .team-card__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-500);
}

.page-about .team-card h3 {
  margin: 10px 0 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .team-card p:last-child {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate-300);
}

.page-about .about-figure--team {
  max-width: 560px;
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-about .cover-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .cover-cell {
  background: var(--ink-800);
  padding: clamp(16px, 2.4vw, 24px) clamp(14px, 2vw, 20px);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
}

.page-about .cover-num {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--celadon-500);
}

.page-about .cover-label {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-050);
}

.page-about .cover-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-about .cover-tail {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate-300);
  max-width: 62ch;
}

.page-about .visit {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-about .visit-card {
  background: var(--paper-050);
  color: var(--ink-900);
  border-radius: var(--r-md);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--shadow-1);
}

.page-about .visit-list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line-paper);
  border-top: 1px solid var(--line-paper);
  border-bottom: 1px solid var(--line-paper);
}

.page-about .visit-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  background: var(--paper-050);
}

.page-about .visit-row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ink-700);
  text-transform: uppercase;
}

.page-about .visit-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-900);
}

.page-about .visit-row a {
  color: var(--ink-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .visit-row a:hover {
  color: var(--amber-500);
}

.page-about .visit-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-about .visit-note a {
  color: var(--ink-900);
  text-decoration-color: var(--amber-500);
}

.page-about .about-figure--visit {
  margin: 0;
  align-self: stretch;
}

.page-about .about-figure--visit img {
  height: 100%;
  min-height: 200px;
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--line);
}

.page-about .about-cta__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate-300);
}

@media (min-width: 700px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-about .about-origin {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-about .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .visit-row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 960px) {
  .page-about .about-timeline {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-about .tl-rail {
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 96px;
    align-self: start;
    gap: 2px;
    padding-top: 6px;
  }

  .page-about .tl-rail__link {
    display: block;
    font-family: var(--font-mono);
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.6;
    padding: 6px 0 6px 14px;
    border-left: 1px solid var(--line);
    color: var(--slate-300);
    transition: color 120ms var(--ease), border-color 120ms var(--ease);
  }

  .page-about .tl-rail__link:hover {
    color: var(--amber-200);
  }

  .page-about .tl-rail__link.is-current {
    color: var(--amber-500);
    border-left-color: var(--amber-500);
  }

  .page-about .cover-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .visit {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: stretch;
  }

  .page-about .about-figure--team {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 1120px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }

  .page-about .about-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .tl-node::before,
  .page-about .tl-rail__link {
    transition: none;
  }

  .page-about .team-card:hover {
    transform: none;
  }

  .page-about .tl-node:hover::before {
    transform: none;
  }
}