.page-about {
  --about-sec-gap: clamp(52px, 8vw, 104px);
  --about-ink-soft: #C3D4E3;
  background: var(--bg);
  color: var(--ink);
  padding-bottom: clamp(40px, 6vw, 88px);
  overflow-x: clip;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(36px, 5.5vw, 84px) 0 clamp(30px, 4.5vw, 56px);
  background:
    radial-gradient(120% 90% at 88% -15%, rgba(56, 242, 208, 0.16), transparent 62%),
    linear-gradient(180deg, #08182B 0%, var(--bg) 78%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, transparent calc(100% - 1px), rgba(58, 110, 165, 0.2) 0);
  background-size: 88px 100%;
  opacity: 0.55;
  pointer-events: none;
}

.page-about .about-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 32px);
  padding: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

.page-about .crumbs li + li::before {
  content: "／";
  margin-right: 8px;
  color: var(--line);
}

.page-about .crumbs a {
  color: var(--ink-dim);
  text-decoration: none;
}

.page-about .crumbs a:hover,
.page-about .crumbs a:focus-visible {
  color: var(--cyan);
}

.page-about .crumbs li[aria-current] {
  color: var(--cyan-soft);
}

.page-about .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-about .hero-copy .kicker {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-about .hero-copy h1 {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}

.page-about .hero-copy .lead {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--about-ink-soft);
  max-width: 62ch;
}

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

.page-about .hero-board {
  align-self: start;
  padding: 20px clamp(18px, 2.4vw, 26px);
  background: rgba(12, 27, 48, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  position: relative;
}

.page-about .hero-board::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 78%);
  border-radius: var(--r-pill);
}

.page-about .board-cap {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

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

.page-about .board-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(58, 110, 165, 0.38);
}

.page-about .board-list li:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-about .board-label {
  font-size: 13px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
}

.page-about .board-val {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  color: var(--amber);
  line-height: 1;
}

.page-about .board-val i {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  margin-left: 5px;
}

.page-about .hero-stats {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 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: 18px;
  overflow: hidden;
}

.page-about .hero-stats li {
  background: rgba(9, 22, 39, 0.92);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .hs-num {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  color: var(--ink);
  line-height: 1;
}

.page-about .hs-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-dim);
}

/* ---------- layout ---------- */
.page-about .about-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-top: clamp(36px, 5vw, 72px);
}

.page-about .index-head {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

.page-about .about-index ol {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--ink-dim);
  font-size: 13px;
  text-decoration: none;
  background: rgba(12, 27, 48, 0.6);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  color: var(--cyan);
  border-color: rgba(56, 242, 208, 0.5);
}

.page-about .index-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--tactic);
}

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

/* ---------- sections ---------- */
.page-about .about-sec {
  scroll-margin-top: 96px;
}

.page-about .about-sec + .about-sec {
  margin-top: var(--about-sec-gap);
}

.page-about .sec-head {
  padding-bottom: clamp(18px, 2.6vw, 28px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .sec-head .kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-about .sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.55rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
}

.page-about .prose p {
  margin: 0 0 1.2em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-ink-soft);
  max-width: 66ch;
}

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

.page-about .prose a,
.page-about .flow-note a,
.page-about .cta-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 208, 0.4);
}

.page-about .prose a:hover,
.page-about .flow-note a:hover,
.page-about .cta-note a:hover {
  border-bottom-color: var(--cyan);
}

.page-about .prose-intro {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-ink-soft);
  max-width: 66ch;
}

/* ---------- team ---------- */
.page-about .team-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border-radius: var(--r-panel);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-about .team-figure figcaption,
.page-about .partner-figure figcaption {
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  border-top: 1px solid var(--line);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-about .team-card {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .team-card:hover {
  border-color: rgba(56, 242, 208, 0.55);
  transform: translateY(-2px);
}

.page-about .team-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-about .team-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-about .team-count {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--amber);
  line-height: 1;
}

.page-about .team-name {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-about .team-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-about .team-extra {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--cyan-soft);
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin-top var(--dur) var(--ease);
}

.page-about .team-card:hover .team-extra,
.page-about .team-card:focus-within .team-extra {
  max-height: 96px;
  opacity: 1;
  margin-top: 14px;
}

/* ---------- flow ---------- */
.page-about .flow-track {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0 0 10px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-about .flow-step {
  position: relative;
  flex: 0 0 auto;
  min-width: 228px;
  max-width: 280px;
  padding: 36px 20px 0 0;
  scroll-snap-align: start;
}

.page-about .flow-step::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.page-about .flow-step::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--cyan);
}

.page-about .flow-last::after {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 176, 58, 0.16);
}

.page-about .flow-when {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .flow-last .flow-when {
  color: var(--amber);
}

.page-about .flow-title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
}

.page-about .flow-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-about .flow-foot {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
  margin-top: clamp(16px, 3vw, 28px);
}

.page-about .flow-figure {
  margin: 0;
  border-radius: var(--r-panel);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(58, 110, 165, 0.2), rgba(12, 27, 48, 0.9));
}

.page-about .flow-note h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
}

.page-about .flow-note p {
  margin: 0 0 1em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-ink-soft);
}

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

/* ---------- partners ---------- */
.page-about .partner-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border-radius: var(--r-panel);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-about .partner-grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-about .partner-side {
  padding: 18px 20px;
  background: var(--teal-deep);
  border: 1px solid rgba(56, 242, 208, 0.22);
  border-radius: var(--r-panel);
}

.page-about .partner-side-cap {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
  text-transform: uppercase;
}

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

.page-about .partner-list li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  border-bottom: 1px solid rgba(56, 242, 208, 0.12);
}

.page-about .partner-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-about .partner-tags {
  margin-top: clamp(20px, 3vw, 30px);
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  background: rgba(12, 27, 48, 0.6);
}

.page-about .partner-net {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin-bottom: 14px;
}

.page-about .tag-wall {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .tag-wall li {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
}

/* ---------- history ---------- */
.page-about .stage-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .stage {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 0 0 clamp(20px, 3vw, 28px) 18px;
  border-left: 1px solid var(--line);
}

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

.page-about .stage::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-about .stage.is-now::before {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 176, 58, 0.16);
}

.page-about .stage-idx {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--tactic);
  line-height: 1.3;
}

.page-about .stage.is-now .stage-idx {
  color: var(--amber);
}

.page-about .stage-title {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--ink);
}

.page-about .stage-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-dim);
  max-width: 62ch;
}

/* ---------- reasons ---------- */
.page-about .reason-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .reason {
  position: relative;
  padding: 20px 20px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
}

.page-about .reason::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 2px;
  border-radius: var(--r-pill);
  background: var(--cyan);
}

.page-about .reason-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 10px;
}

.page-about .reason-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
}

.page-about .reason-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* ---------- cta ---------- */
.page-about .about-cta {
  margin-top: var(--about-sec-gap);
  padding: clamp(26px, 4vw, 44px);
  border-radius: var(--r-panel);
  border: 1px solid rgba(56, 242, 208, 0.24);
  background:
    radial-gradient(110% 120% at 90% 0%, rgba(56, 242, 208, 0.14), transparent 60%),
    linear-gradient(160deg, #0E3B3A 0%, #0A1F30 55%, #0C1B30 100%);
  scroll-margin-top: 96px;
}

.page-about .about-cta h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .about-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-ink-soft);
  max-width: 60ch;
}

.page-about .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(18px, 2.6vw, 26px) 0 14px;
}

.page-about .cta-note {
  font-size: 13px;
  color: var(--ink-dim);
}

/* ---------- responsive ---------- */
@media (hover: none) {
  .page-about .team-extra {
    max-height: none;
    opacity: 1;
    margin-top: 12px;
  }
}

@media (min-width: 720px) {
  .page-about .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .team-a,
  .page-about .team-b,
  .page-about .team-c,
  .page-about .team-d {
    grid-column: span 3;
  }

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

@media (min-width: 900px) {
  .page-about .flow-foot {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  }

  .page-about .partner-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-about .about-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-index {
    position: sticky;
    top: 28px;
    align-self: start;
  }

  .page-about .about-index ol {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-index li + li {
    margin-top: 2px;
  }

  .page-about .about-index a {
    width: 100%;
    border-radius: 0;
    border: 0;
    border-left: 1px solid var(--line);
    padding: 10px 0 10px 16px;
    background: transparent;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-about .about-index a:hover,
  .page-about .about-index a:focus-visible {
    border-left-color: var(--cyan);
    color: var(--cyan);
  }

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

  .page-about .team-a {
    grid-column: span 2;
  }

  .page-about .team-b {
    grid-column: span 1;
  }

  .page-about .team-c {
    grid-column: span 1;
  }

  .page-about .team-d {
    grid-column: span 2;
  }

  .page-about .team-b .team-name,
  .page-about .team-c .team-name {
    font-size: 1rem;
  }

  .page-about .team-b,
  .page-about .team-c {
    padding: 18px 16px;
  }
}

@media (min-width: 1280px) {
  .page-about .flow-step {
    min-width: 240px;
  }
}
<<<END>>>