.page-about {
  --about-index-w: 200px;
  --about-flow: clamp(20px, 3.5vw, 40px);
  color: var(--c-ink);
}

.page-about .about-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(18px, 3vw, 36px);
  padding-bottom: clamp(36px, 6vw, 72px);
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }
}

.page-about .about-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--c-ink);
}

.page-about .about-hero .lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--c-ink-soft);
}

.page-about .about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 40px);
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 18px;
  border-top: 1px solid var(--c-line);
}

.page-about .about-hero__stat {
  display: grid;
  gap: 4px;
}

.page-about .about-hero__stat-num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.1;
  color: var(--c-cyan);
}

.page-about .about-hero__stat-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-about .about-visual {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-about .about-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-line);
  background: linear-gradient(150deg, var(--c-panel), var(--c-deep));
}

.page-about .about-visual::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16%;
  width: 3px;
  height: 30%;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-orange), rgba(255, 122, 47, 0));
}

.page-about .about-visual__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-about .about-shell {
  display: grid;
  gap: var(--about-flow);
  padding-bottom: clamp(28px, 5vw, 56px);
}

@media (min-width: 980px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    align-items: start;
  }
}

.page-about .about-index {
  display: none;
}

@media (min-width: 980px) {
  .page-about .about-index {
    display: block;
  }

  .page-about .about-index__inner {
    position: sticky;
    top: 104px;
    border-left: 1px solid var(--c-line);
  }
}

.page-about .about-index__label {
  margin: 0 0 14px;
  padding-left: 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-about .about-index__link {
  display: block;
  margin-left: -1px;
  padding: 9px 8px 9px 14px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.4;
  color: var(--c-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-index__link:hover {
  color: var(--c-ink);
  border-left-color: var(--c-line-strong);
  background: rgba(18, 59, 48, 0.4);
}

.page-about .about-index__link[aria-current="true"] {
  color: var(--c-cyan);
  border-left-color: var(--c-cyan);
}

.page-about .about-index__link:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
}

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

.page-about .about-section {
  padding-block: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--c-line);
  scroll-margin-top: 96px;
}

.page-about .about-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-section__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
  max-width: 42ch;
}

.page-about .about-section__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
}

.page-about .about-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-about :where(.about-body) p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: clamp(14.5px, 1.25vw, 16px);
  line-height: 1.85;
  color: var(--c-ink-soft);
}

.page-about .about-quote {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--c-orange);
  max-width: 52ch;
}

.page-about .about-quote p {
  margin: 0;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.7;
  color: var(--c-ink);
}

.page-about .about-timeline {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-about .about-node {
  position: relative;
  padding: 16px 0 16px 22px;
  border-left: 1px solid var(--c-line);
}

.page-about .about-node:last-child {
  padding-bottom: 4px;
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 23px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-deep);
  border: 1px solid var(--c-line-strong);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-node:hover::before,
.page-about .about-node:focus-visible::before {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 4px var(--c-cyan-soft);
}

.page-about .about-node:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-about .about-node__year {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-about .about-node__title {
  margin: 4px 0 4px;
  font-size: clamp(16px, 1.6vw, 18.5px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-about .about-node__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-ink-soft);
}

.page-about .about-node__more {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  max-width: 60ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
  transition: max-height 0.35s var(--ease), opacity 0.3s var(--ease), margin-top 0.3s var(--ease);
}

.page-about .about-node:hover .about-node__more,
.page-about .about-node:focus-visible .about-node__more {
  max-height: 160px;
  opacity: 1;
  margin-top: 8px;
}

.page-about .about-team {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

@media (min-width: 760px) {
  .page-about .about-team {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

.page-about .about-roles {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .about-role {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-role:hover {
  border-color: var(--c-line-strong);
  background: var(--c-raised);
}

.page-about .about-role__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-about .about-role__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-about .about-team__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .about-stats {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 20px;
}

@media (min-width: 700px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-stat {
  padding: 16px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: linear-gradient(170deg, var(--c-panel), rgba(6, 24, 19, 0.9));
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-about .about-stat:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.page-about .about-stat:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
  transform: translateY(-2px);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1;
  color: var(--c-cyan);
}

.page-about .about-stat__name {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-muted);
}

.page-about .about-stat__note {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-ink-soft);
  transition: max-height 0.32s var(--ease), opacity 0.28s var(--ease), margin-top 0.28s var(--ease);
}

.page-about .about-stat:hover .about-stat__note,
.page-about .about-stat:focus-visible .about-stat__note {
  max-height: 120px;
  opacity: 1;
  margin-top: 8px;
}

.page-about .about-coverage {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

@media (min-width: 820px) {
  .page-about .about-coverage {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-about .about-coverage__map,
.page-about .about-coverage__split {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(12, 42, 34, 0.55);
}

.page-about .about-coverage__split {
  display: grid;
  align-content: start;
  gap: 12px;
}

.page-about .about-dotmap {
  display: block;
  width: 100%;
  height: auto;
  max-height: 150px;
}

.page-about .about-coverage__map p {
  margin: 12px 0 0;
  max-width: none;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-about .about-split__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-about .about-split__bar {
  display: flex;
  height: 10px;
  border-radius: var(--r-pill);
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
}

.page-about .about-split__pc {
  width: 58%;
  background: linear-gradient(90deg, var(--c-cyan), rgba(57, 230, 207, 0.4));
}

.page-about .about-split__mb {
  width: 42%;
  background: var(--c-line-strong);
}

.page-about .about-split__legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-ink-soft);
}

.page-about .about-split__legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about .about-split__dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex: none;
}

.page-about .about-split__dot--pc {
  background: var(--c-cyan);
}

.page-about .about-split__dot--mb {
  background: var(--c-line-strong);
}

.page-about .about-partners {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-top: 20px;
}

@media (min-width: 860px) {
  .page-about .about-partners {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-about .about-badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-badge {
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-cyan);
  border-radius: var(--r-sm);
  background: rgba(18, 59, 48, 0.35);
}

.page-about .about-badge__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-cyan);
}

.page-about .about-badge p {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-about .about-principles {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-about .about-principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-principle {
  padding: clamp(16px, 2vw, 22px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-about .about-principle:hover {
  border-color: var(--c-line-strong);
  transform: translateY(-2px);
}

.page-about .about-principle__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-about .about-principle h3 {
  margin: 10px 0 8px;
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 700;
  color: var(--c-ink);
}

.page-about .about-principle p {
  margin: 0;
  max-width: none;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.page-about .about-scenes {
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--c-line);
}

.page-about .about-scenes__title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-about .about-scenes__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

@media (min-width: 780px) {
  .page-about .about-scenes__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-scene {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(12, 42, 34, 0.5);
}

.page-about .about-scene__text {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-about .about-scene__link {
  justify-self: start;
  padding-bottom: 1px;
  font-size: 13px;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 230, 207, 0.35);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-scene__link:hover {
  color: var(--c-focus);
  border-bottom-color: var(--c-focus);
}

.page-about .about-scene__link:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
}

.page-about .about-cta {
  margin-top: clamp(12px, 2vw, 24px);
  margin-bottom: clamp(36px, 6vw, 72px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--c-raised), var(--c-panel));
}

.page-about .about-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-about .about-cta__sub {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .about-cta__links {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

@media (min-width: 720px) {
  .page-about .about-cta__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-cta__card {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(6, 24, 19, 0.55);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .about-cta__card:hover {
  border-color: var(--c-orange);
  background: var(--c-orange-soft);
  transform: translateY(-2px);
}

.page-about .about-cta__card:focus-visible {
  outline: 2px solid var(--c-focus);
  outline-offset: 2px;
}

.page-about .about-cta__kicker {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-about .about-cta__text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-ink-soft);
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-node__more,
  .page-about .about-stat__note,
  .page-about .about-stat,
  .page-about .about-principle,
  .page-about .about-cta__card {
    transition: none;
  }
}