.page-about {
  --about-rail-w: 168px;
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-hero {
  padding: calc(var(--bar-h) + 40px) 0 52px;
  background:
    linear-gradient(180deg, rgba(14, 42, 71, 0.06), rgba(245, 241, 230, 0) 62%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 24px;
}

.page-about h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 5.4vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 15em;
}

.page-about .ps-lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .about-hero-stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
}

.page-about .about-hero-stats li {
  background: var(--card);
  padding: 14px 16px;
}

.page-about .about-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ridge);
  line-height: 1.2;
}

.page-about .about-stat-plus {
  color: var(--accent);
}

.page-about .about-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

.page-about .about-hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ridge);
}

.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-hero-mark {
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 8px;
  background: var(--accent);
  z-index: 2;
}

.page-about .about-hero-figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--on-ridge);
  background: var(--ridge);
}

.page-about .about-body {
  padding: 48px 0 72px;
}

.page-about .about-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-about .about-rail {
  border-top: 2px solid var(--ridge);
  padding-top: 14px;
}

.page-about .about-rail-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .about-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-about .about-rail-list li {
  min-width: 0;
}

.page-about .about-rail-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 8px 8px 8px 10px;
  border-left: 2px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  transition: border-color var(--ease), background var(--ease), color var(--ease);
}

.page-about .about-rail-list a:hover {
  border-left-color: var(--gold);
  background: rgba(240, 161, 60, 0.08);
}

.page-about .about-rail-list a[aria-current="true"] {
  border-left-color: var(--accent);
  background: rgba(225, 68, 42, 0.06);
  color: var(--accent);
}

.page-about .rail-y {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ridge);
}

.page-about .about-rail-list a[aria-current="true"] .rail-y {
  color: var(--accent);
}

.page-about .rail-t {
  font-size: 12px;
  line-height: 1.3;
  color: var(--muted);
}

.page-about .about-rail-list a[aria-current="true"] .rail-t {
  color: var(--accent);
}

.page-about .about-section {
  padding-bottom: 48px;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-about .about-section + .about-section {
  border-top: 1px solid var(--line);
  padding-top: 48px;
}

.page-about .about-h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  max-width: 22em;
}

.page-about .about-h2-no {
  display: inline-block;
  margin-right: 10px;
  padding: 1px 6px;
  border: 1px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  vertical-align: 0.26em;
}

.page-about .about-section-lead {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-prose {
  max-width: 34em;
}

.page-about .about-prose p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-about .about-pull {
  margin: 26px 0 0;
  max-width: 30em;
  padding: 16px 0 16px 18px;
  border-left: 3px solid var(--accent);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ridge);
  background: rgba(225, 68, 42, 0.04);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: var(--line-strong);
}

.page-about .about-tl-item {
  position: relative;
  padding-bottom: 30px;
}

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

.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 5px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--card);
  box-sizing: border-box;
}

.page-about .about-tl-item:last-child::before {
  background: var(--accent);
}

.page-about .about-tl-meta {
  display: flex;
  align-items: center;
  margin: 0 0 6px;
}

.page-about .about-tl-year {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ridge);
}

.page-about .about-tl-ver {
  margin-left: 10px;
  padding: 0 5px;
  border: 1px solid rgba(225, 68, 42, 0.5);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.page-about .about-tl-item h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-tl-item p {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
}

.page-about .about-slice {
  position: relative;
  margin: 8px 0 56px;
  background: var(--ridge);
  clip-path: polygon(0 6%, 100% 0%, 100% 94%, 0 100%);
  overflow: hidden;
}

.page-about .about-slice img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-about .about-slice figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px var(--page-x);
  font-size: 13px;
  line-height: 1.5;
  color: var(--on-ridge);
  background: linear-gradient(180deg, rgba(7, 23, 38, 0), rgba(7, 23, 38, 0.86));
}

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

.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-about .about-team-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--card);
}

.page-about .about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-team-figure figcaption {
  padding: 9px 12px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-about .about-team-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-team-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-team-list li:first-child {
  border-top: 2px solid var(--ridge);
  padding-top: 14px;
}

.page-about .about-team-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--accent);
}

.page-about .about-team-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-team-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-about .about-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.page-about .about-step:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-about .about-step summary {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 13px 2px;
  cursor: pointer;
  list-style: none;
}

.page-about .about-step summary::-webkit-details-marker {
  display: none;
}

.page-about .about-step summary::after {
  content: "+";
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--muted);
  flex: none;
}

.page-about .about-step[open] summary::after {
  content: "−";
  color: var(--accent);
}

.page-about .about-step summary:hover .about-step-name {
  color: var(--accent);
}

.page-about .about-step-no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.page-about .about-step-name {
  font-size: 17px;
  font-weight: 700;
  transition: color var(--ease);
}

.page-about .about-step-time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-about .about-step-body {
  padding: 0 2px 16px;
}

.page-about .about-step-body p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .about-fields {
  margin: 26px 0 0;
  border: 1px solid var(--line-strong);
  background: var(--card);
}

.page-about .about-fields img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-fields figcaption {
  padding: 9px 12px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-about .about-partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
}

.page-about .about-partner-card {
  background: var(--card);
  padding: 20px 18px;
  transition: background var(--ease);
}

.page-about .about-partner-card:hover {
  background: rgba(240, 161, 60, 0.08);
}

.page-about .about-partner-num {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ridge);
}

.page-about .about-partner-pct {
  font-size: 18px;
  color: var(--accent);
}

.page-about .about-partner-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-about .about-partner-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-status-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 2px solid var(--ridge);
}

.page-about .about-status-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-status-list .ps-dot {
  margin-top: 7px;
}

.page-about .about-dot-off {
  background: var(--muted);
}

.page-about .about-st-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-st-desc {
  grid-column: 2;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-upkeep {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .about-cta {
  padding: 30px 0 0;
  border-top: 2px solid var(--ridge);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-about .about-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(21px, 3.4vw, 26px);
  font-weight: 800;
  line-height: 1.3;
}

.page-about .about-cta p {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .about-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}

.page-about .about-cta-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

@media (min-width: 640px) {
  .page-about .about-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .about-team-list li {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 18px;
  }

  .page-about .about-team-num {
    font-size: 26px;
  }

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

@media (min-width: 860px) {
  .page-about .about-hero {
    padding-top: calc(var(--bar-h) + 52px);
    padding-bottom: 60px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 48px;
    align-items: end;
    margin-top: 28px;
  }

  .page-about .about-body {
    padding-top: 60px;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 32px;
    align-items: start;
  }

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

  .page-about .about-partner-card:nth-child(1) {
    grid-column: span 3;
  }

  .page-about .about-partner-card:nth-child(2) {
    grid-column: span 1;
  }

  .page-about .about-partner-card:nth-child(3) {
    grid-column: span 1;
  }

  .page-about .about-partner-card:nth-child(4) {
    grid-column: span 3;
  }

  .page-about .about-slice {
    margin-bottom: 64px;
  }
}

@media (min-width: 960px) {
  .page-about {
    --about-rail-w: 176px;
  }

  .page-about .about-shell {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: 60px;
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    align-self: start;
  }

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

  .page-about .about-rail-list a {
    grid-template-columns: 58px minmax(0, 1fr);
    align-items: baseline;
    gap: 10px;
    padding: 8px 6px 8px 10px;
  }

  .page-about .rail-y {
    font-size: 13px;
  }

  .page-about .rail-t {
    font-size: 13px;
  }

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

  .page-about .about-section {
    padding-bottom: 56px;
  }

  .page-about .about-section + .about-section {
    padding-top: 56px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero-stats li {
    padding: 18px 20px;
  }

  .page-about .about-stat-num {
    font-size: 24px;
  }

  .page-about .about-partner-card {
    padding: 24px 22px;
  }
}
<<<END>>>