.page-about {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 88px;
  overflow-x: hidden;
}

.page-about .breadcrumb {
  padding-top: 20px;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: 28px 0 40px;
  border-bottom: 1px solid var(--moss);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -140px;
  width: 320px;
  height: 320px;
  background: linear-gradient(145deg, rgba(198, 255, 61, 0.14), rgba(198, 255, 61, 0) 68%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-about .about-kicker {
  margin: 0 0 18px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-about .about-hero h1 {
  margin: 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(36px, 8.4vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-lede {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(247, 243, 233, 0.82);
}

.page-about .about-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: 18px;
  margin-right: 18px;
  border-right: 1px solid var(--moss);
}

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

.page-about .fact-num {
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-about .fact-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- Layout ---------- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 36px;
}

.page-about .about-index {
  border-top: 1px solid var(--moss);
  padding-top: 18px;
}

.page-about .about-index-title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-about .about-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-height: 44px;
  padding: 10px 0 10px 12px;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-index-link:hover,
.page-about .about-index-link:focus-visible {
  color: var(--paper);
  border-left-color: var(--lime-deep);
}

.page-about .about-index-link[aria-current="true"] {
  color: var(--lime);
  border-left-color: var(--lime);
}

.page-about .idx-num {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--lime-deep);
}

.page-about .about-totop {
  display: inline-block;
  margin-top: 14px;
  padding: 8px 0;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  text-decoration: none;
}

.page-about .about-totop:hover,
.page-about .about-totop:focus-visible {
  color: var(--lime);
}

/* ---------- Section base ---------- */
.page-about .about-body {
  min-width: 0;
}

.page-about .about-sec {
  padding: 34px 0;
  border-top: 1px solid var(--moss);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-about .about-sec:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-about .sec-head {
  margin-bottom: 22px;
}

.page-about .sec-head .index-label {
  display: block;
  margin-bottom: 12px;
}

.page-about .about-sec h2 {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(24px, 5.6vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .sec-intro {
  max-width: 620px;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 243, 233, 0.74);
}

.page-about .about-sec p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 243, 233, 0.8);
}

.page-about .about-sec p:first-of-type {
  margin-top: 0;
}

.page-about figure {
  margin: 0;
}

.page-about figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

/* ---------- 01 Origin ---------- */
.page-about .origin-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-about .origin-text p {
  margin: 0 0 16px;
}

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

.page-about .origin-figure .media-frame {
  border: 1px solid var(--moss);
}

/* ---------- 02 Timeline ---------- */
.page-about .timeline-band {
  margin-bottom: 26px;
  border-bottom: 1px solid var(--moss);
  padding-bottom: 18px;
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, var(--lime) 0%, var(--lime-deep) 40%, var(--moss) 100%);
}

.page-about .tl-item {
  position: relative;
  padding-bottom: 26px;
}

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

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 13px;
  height: 13px;
  background: var(--ink-deep);
  border: 1px solid var(--lime);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .tl-item:hover::before,
.page-about .tl-item:focus-within::before {
  background: var(--lime);
  transform: scale(1.08);
}

.page-about .tl-year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-about .tl-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
  color: var(--paper);
}

.page-about .tl-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(247, 243, 233, 0.8);
}

.page-about .tl-more {
  margin: 0;
  max-height: 240px;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 03 Team ---------- */
.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--moss);
}

.page-about .team-cell {
  padding: 18px 0;
  border-bottom: 1px solid var(--moss);
}

.page-about .team-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--lime);
}

.page-about .team-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 243, 233, 0.78);
}

.page-about .observer-note {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--ink-deep);
  border-left: 2px solid var(--mint);
}

.page-about .observer-note .index-label {
  display: block;
  margin-bottom: 10px;
}

.page-about .observer-note p:last-child {
  margin: 0;
}

/* ---------- 04 Process ---------- */
.page-about .about-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--moss);
}

.page-about .step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--moss);
}

.page-about .step-num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lime-deep);
  padding-top: 4px;
}

.page-about .step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}

.page-about .step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 243, 233, 0.78);
}

/* ---------- 05 Network ---------- */
.page-about .network-band {
  margin-bottom: 22px;
}

.page-about .network-band .media-frame {
  border: 1px solid var(--moss);
}

.page-about .network-lead {
  margin: 0 0 20px;
}

.page-about .network-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--moss);
}

.page-about .net-cell {
  padding: 16px 0;
  border-bottom: 1px solid var(--moss);
}

.page-about .net-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--mint);
}

.page-about .net-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 243, 233, 0.78);
}

.page-about .network-close {
  margin: 20px 0 18px;
}

.page-about .network-close + p {
  margin: 0;
}

/* ---------- 06 Scale ---------- */
.page-about .scale-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
  margin-bottom: 24px;
}

.page-about .scale-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--moss);
}

.page-about .scale-num {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-about .scale-label {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-about .scale-text p {
  margin: 0 0 14px;
}

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

.page-about .about-cta {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--moss);
}

.page-about .cta-label {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-about .cta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .cta-list .btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* ---------- Focus ---------- */
.page-about a:focus-visible,
.page-about .about-index-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- Responsive ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 36px 0 52px;
  }

  .page-about .about-facts li {
    padding-right: 26px;
    margin-right: 26px;
  }

  .page-about .fact-num {
    font-size: 30px;
  }

  .page-about .about-index-list {
    gap: 4px 20px;
  }

  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--moss);
  }

  .page-about .team-cell {
    padding: 18px 18px 18px 0;
    border-bottom: 0;
    border-left: 1px solid var(--moss);
    padding-left: 18px;
  }

  .page-about .team-cell:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-about .team-cell:last-child {
    padding-right: 0;
  }

  .page-about .network-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--moss);
  }

  .page-about .net-cell {
    padding: 18px 18px 18px 18px;
    border-bottom: 0;
    border-left: 1px solid var(--moss);
  }

  .page-about .net-cell:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-about .net-cell:last-child {
    padding-right: 0;
  }

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

@media (min-width: 900px) {
  .page-about {
    padding-bottom: 120px;
  }

  .page-about .about-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 56px;
    padding-top: 48px;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    border-top: 0;
    padding-top: 0;
  }

  .page-about .about-index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-about .about-body {
    max-width: 700px;
  }

  .page-about .origin-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 28px;
    align-items: start;
  }

  .page-about .about-sec {
    padding: 46px 0;
  }

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

  .page-about .tl-year {
    font-size: 20px;
  }

  .page-about .tl-title {
    font-size: 21px;
  }

  .page-about .about-timeline {
    padding-left: 34px;
  }

  .page-about .about-timeline::before {
    left: 7px;
  }

  .page-about .tl-item::before {
    left: -34px;
    width: 15px;
    height: 15px;
  }

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

@media (hover: hover) and (min-width: 900px) {
  .page-about .tl-more {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    transform: translateY(-4px);
    transition: max-height 220ms var(--ease), opacity 180ms var(--ease), margin-top 220ms var(--ease), transform 220ms var(--ease);
  }

  .page-about .tl-item:hover .tl-more,
  .page-about .tl-item:focus-within .tl-more {
    max-height: 240px;
    opacity: 1;
    margin-top: 8px;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-more,
  .page-about .tl-item::before,
  .page-about .about-index-link {
    transition: none;
  }

  .page-about .tl-item:hover::before,
  .page-about .tl-item:focus-within::before {
    transform: none;
  }
}
<<<END>>>