.page-about {
  --about-rail: 200px;
  --about-gap: clamp(18px, 3vw, 40px);
  --about-sec-pad: clamp(40px, 6vw, 88px);
  background-color: var(--bone);
  background-image:
    linear-gradient(var(--rule-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-soft) 1px, transparent 1px);
  background-size: 104px 104px;
  color: var(--ink);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: hidden;
}

.page-about .crumbs {
  margin-top: clamp(14px, 2vw, 24px);
}

.page-about .about-hero {
  padding-block: clamp(20px, 3.5vw, 48px) clamp(32px, 5vw, 64px);
  border-bottom: 3px solid var(--ink);
}

.page-about .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  align-items: end;
}

.page-about .hero-copy {
  min-width: 0;
}

.page-about .hero-copy .eyebrow {
  color: var(--ochre);
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
}

.page-about h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  max-width: 16ch;
  text-wrap: balance;
}

.page-about .hero-lead {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.78;
  color: var(--ink);
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-about .hero-actions .btn {
  font-size: 0.92rem;
}

.page-about .hero-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 2px solid var(--ink);
}

.page-about .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}

.page-about .hero-facts .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--ochre);
  letter-spacing: -0.01em;
}

.page-about .fact-label {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.page-about .about-fig {
  position: relative;
  margin: 0;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--sand);
  overflow: hidden;
  min-width: 0;
}

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

.page-about .about-fig--hero { aspect-ratio: 16 / 10; }
.page-about .about-fig--team { aspect-ratio: 3 / 2; margin-top: clamp(20px, 3vw, 32px); }
.page-about .about-fig--eco { aspect-ratio: 4 / 3; }

.page-about .about-fig figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--ink);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 6px 12px;
}

.page-about .about-fold {
  padding-block: var(--about-sec-pad);
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-about .about-fold--timeline,
.page-about .about-fold--eco {
  background: linear-gradient(180deg, transparent, rgba(201, 150, 63, 0.09));
}

.page-about .fold-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .fold-rail {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.page-about .rail-idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ochre);
  line-height: 1;
}

.page-about .rail-label {
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-about .rail-mark {
  width: 42px;
  height: 42px;
  color: var(--ink);
  flex: 0 0 auto;
  margin-left: auto;
}

.page-about .rail-coord {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .fold-body {
  min-width: 0;
}

.page-about .fold-body .h-section {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

.page-about .fold-body p {
  font-size: 1rem;
  line-height: 1.78;
  margin: 0 0 14px;
  max-width: 62ch;
}

.page-about .section-lead {
  color: var(--muted);
  border-left: 3px solid var(--gobi);
  padding-left: 14px;
  margin-bottom: 22px !important;
}

.page-about .coord-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 24px 0 0;
  border-top: 2px solid var(--ink);
}

.page-about .coord-list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.page-about .coord-list dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ochre);
}

.page-about .coord-list dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-about .tl-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-about .tl-jump a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  padding: 5px 12px;
  border: 2px solid var(--ink);
  background: var(--card);
  transition: background-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.page-about .tl-jump a:hover,
.page-about .tl-jump a:focus-visible {
  background: var(--cyan);
  color: var(--bone);
  transform: translateY(-2px);
}

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(18px, 3vw, 30px);
  border-left: 3px solid var(--ink);
}

.page-about .tl-item {
  position: relative;
  padding-bottom: clamp(22px, 3.5vw, 36px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .tl-item:last-child {
  padding-bottom: 0;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(18px, 3vw, 30px) - 9px);
  top: 8px;
  width: 15px;
  height: 15px;
  background: var(--bone);
  border: 3px solid var(--ink);
}

.page-about .tl-item.is-now::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--veil);
}

.page-about .tl-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ochre);
  letter-spacing: -0.01em;
}

.page-about .tl-item.is-now .tl-year {
  color: var(--cyan);
}

.page-about .tl-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.12rem;
  line-height: 1.35;
  margin: 4px 0 6px;
}

.page-about .tl-text {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 4px;
}

.page-about .role-card {
  border: 3px solid var(--ink);
  background: var(--card);
  box-shadow: var(--shadow-soft);
  padding: 16px 18px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.page-about .role-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
  background: var(--veil);
}

.page-about .role-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 2px solid var(--rule);
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.page-about .role-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  margin: 0;
}

.page-about .role-count {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--cyan);
  white-space: nowrap;
}

.page-about .role-duty {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .flow {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 3px solid var(--ink);
}

.page-about .flow-step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.page-about .flow-num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--gobi);
  line-height: 1.1;
}

.page-about .flow-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0 0 6px;
}

.page-about .flow-text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--muted);
  max-width: 46ch;
}

.page-about .eco-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  align-items: start;
}

.page-about .eco-body {
  min-width: 0;
}

.page-about .eco-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-about .eco-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  grid-template-areas:
    "count key"
    "count note";
  align-items: baseline;
  column-gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.page-about .eco-count {
  grid-area: count;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--ochre);
}

.page-about .eco-key {
  grid-area: key;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
}

.page-about .eco-note {
  grid-area: note;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--muted);
}

.page-about .eco-honor {
  margin-top: 18px !important;
  padding: 12px 14px;
  background: var(--sand);
  border-left: 4px solid var(--ochre);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink);
  max-width: none !important;
}

.page-about .method-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .method-card {
  border: 3px solid var(--ink);
  border-top-width: 8px;
  background: var(--card);
  padding: 16px 18px 18px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .method-step {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .method-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0;
}

.page-about .method-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
  flex: 1 1 auto;
}

.page-about .method-link {
  align-self: flex-start;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--gobi);
  padding-bottom: 2px;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-about .method-link:hover,
.page-about .method-link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-cta {
  margin-top: clamp(36px, 6vw, 76px);
  background: var(--night);
  color: var(--bone);
  border-top: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  background-image:
    linear-gradient(var(--rule-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-dark) 1px, transparent 1px);
  background-size: 96px 96px;
  padding-block: clamp(36px, 5.5vw, 72px);
}

.page-about .cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-about .cta-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 12px;
  color: var(--bone);
}

.page-about .cta-text {
  margin: 0;
  max-width: 48ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--sand);
}

.page-about .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .cta-contact {
  grid-column: 1 / -1;
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 2px solid var(--gobi);
}

.page-about .cta-contact > div {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule-dark);
}

.page-about .cta-contact dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gobi);
  margin-bottom: 4px;
}

.page-about .cta-contact dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--bone);
  word-break: break-word;
}

@media (min-width: 620px) {
  .page-about .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 2px solid var(--ink);
  }

  .page-about .hero-facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 14px 14px 14px 0;
    border-bottom: 0;
    border-right: 1px solid var(--rule);
  }

  .page-about .hero-facts li:last-child {
    border-right: 0;
  }

  .page-about .coord-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .role-card {
    grid-column: span 3;
  }

  .page-about .role-card--wide {
    grid-column: span 3;
  }

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

  .page-about .cta-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
  }

  .page-about .fold-grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-about .fold-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 3px solid var(--ink);
    padding-left: 14px;
  }

  .page-about .rail-mark {
    margin-left: 0;
    width: 54px;
    height: 54px;
  }

  .page-about .rail-coord {
    display: block;
  }

  .page-about .team-grid > .role-card {
    grid-column: span 3;
  }

  .page-about .team-grid > .role-card:nth-child(n + 3) {
    grid-column: span 2;
  }

  .page-about .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 3px solid var(--ink);
    column-gap: 0;
  }

  .page-about .flow-step {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    border-bottom: 0;
    border-left: 3px solid var(--ink);
    padding: 16px 18px 20px;
  }

  .page-about .flow-num {
    grid-row: auto;
    margin-bottom: 10px;
  }

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

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

  .page-about .cta-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about .cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-about {
    --about-rail: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-jump a,
  .page-about .role-card,
  .page-about .method-link {
    transition: none;
  }

  .page-about .tl-jump a:hover,
  .page-about .role-card:hover {
    transform: none;
  }
}
<<<END>>>