.page-about {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(2rem, 5vw, 4rem);
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(70% 90% at 88% -10%, rgba(53, 242, 208, 0.14), transparent 62%),
    radial-gradient(55% 70% at 0% 115%, rgba(255, 122, 26, 0.1), transparent 60%),
    linear-gradient(180deg, var(--panel), var(--ink) 86%);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(126, 156, 147, 0.08) 0 1px, transparent 1px 96px);
}

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

.page-about .about-hero .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-about .about-hero .eyebrow {
  color: var(--cyan);
}

.page-about h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 8vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0.75rem 0 0;
  color: var(--paper);
}

.page-about .about-hero__lede {
  max-width: 62ch;
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  font-size: clamp(0.95rem, 1.6vw, 1.075rem);
  line-height: 1.8;
  color: var(--mint);
  opacity: 0.82;
}

.page-about .about-hero__facts {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 1.25rem;
}

.page-about .about-hero__facts li {
  border-top: 1px solid var(--line);
  padding: 0.7rem 0 0.35rem;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .about-hero__facts span {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  letter-spacing: -0.04em;
  color: var(--orange);
  margin-bottom: 0.2rem;
}

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

.page-about .about-index {
  padding: 1rem 0 0;
}

.page-about .about-index__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.6rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
}

.page-about .about-index__list > li {
  flex: 0 0 auto;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.45rem 0.7rem;
  font-size: 0.8125rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--paper);
  border-color: var(--cyan);
  background: rgba(53, 242, 208, 0.06);
}

.page-about .about-index__n {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--orange);
}

.page-about .about-sec {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 104px;
}

.page-about .about-sec--panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding-left: clamp(1rem, 3vw, 2rem);
  padding-right: clamp(1rem, 3vw, 2rem);
  margin-top: clamp(1rem, 2vw, 1.5rem);
}

.page-about .about-sec__no {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-about .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0;
}

.page-about .about-sec__lede {
  max-width: 62ch;
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-sec__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.page-about .prose p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.88;
}

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

.page-about .prose a,
.page-about .about-sec__tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.45);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-about .prose a:hover,
.page-about .about-sec__tail a:hover,
.page-about .prose a:focus-visible,
.page-about .about-sec__tail a:focus-visible {
  color: var(--mint);
  border-color: var(--mint);
}

.page-about .about-figure {
  margin: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--slate);
}

.page-about .about-figure--wide {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.page-about .about-figure .media__caption {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .ver-line {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .ver-node {
  position: relative;
  background: var(--ink);
  padding: 1.1rem 1rem 1.25rem;
  transition: background 0.22s var(--ease);
}

.page-about .ver-node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--cyan);
  transition: width 0.28s var(--ease);
}

.page-about .ver-node:hover,
.page-about .ver-node:focus-within {
  background: rgba(11, 36, 29, 0.92);
}

.page-about .ver-node:hover::before,
.page-about .ver-node:focus-within::before {
  width: 100%;
}

.page-about .ver-node:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -1px;
}

.page-about .ver-node__v {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--cyan);
}

.page-about .ver-node__year {
  display: inline-block;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-about .ver-node__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.25;
  margin: 0.55rem 0 0.4rem;
  color: var(--paper);
}

.page-about .ver-node__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .ver-node__gain {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--cyan);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-about .ver-node:hover .ver-node__gain,
.page-about .ver-node:focus-within .ver-node__gain {
  opacity: 1;
  transform: none;
}

.page-about .role-list {
  display: block;
}

.page-about .role {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 0.2rem 0.75rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}

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

.page-about .role__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--orange);
}

.page-about .role__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.3;
  margin: 0;
  color: var(--paper);
}

.page-about .role__text {
  grid-column: 2;
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .cover-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .cover-cell {
  background: var(--ink);
  padding: 1rem 0.9rem 1.1rem;
}

.page-about .cover-cell__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--paper);
}

.page-about .cover-cell--accent .cover-cell__num {
  color: var(--orange);
}

.page-about .cover-cell__plus {
  font-size: 0.6em;
  color: var(--amber);
  margin-left: 0.1em;
}

.page-about .cover-cell__label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .cover-split {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  border-top: 1px dashed var(--line);
  padding-top: 1rem;
}

.page-about .cover-split__title {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-about .cover-split__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.55rem;
}

.page-about .cover-split__list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--paper);
  opacity: 0.85;
}

.page-about .cover-split__list strong {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--mint);
}

.page-about .cover-split__note {
  margin: 0.9rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-accordion {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  border-top: 1px solid var(--line);
}

.page-about .about-accordion .accordion__summary {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-accordion .accordion__body p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.page-about .about-sec__tail {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .coop {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
}

.page-about .coop__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.page-about .coop__k {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-about .coop__v {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.85;
}

.page-about .promise-list {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .promise-item {
  background: var(--ink);
  padding: 1rem;
  border-left: 2px solid transparent;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .promise-item:hover {
  border-left-color: var(--orange);
  background: rgba(22, 35, 44, 0.7);
}

.page-about .promise-item__k {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--cyan);
}

.page-about .promise-item__v {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-cta {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(1.25rem, 4vw, 2.25rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--panel), var(--slate));
}

.page-about .about-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.8rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-cta__text {
  margin: 0.65rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 52ch;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (min-width: 640px) {
  .page-about .about-sec__grid--media {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

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

  .page-about .cover-split__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
  }

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

@media (min-width: 760px) {
  .page-about .ver-line {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .coop__item {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-about .about-index {
    padding-top: clamp(2rem, 4vw, 3rem);
  }

  .page-about .about-index__inner {
    position: sticky;
    top: 112px;
  }

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

  .page-about .about-index__list > li {
    flex: 0 0 auto;
  }

  .page-about .about-index__link {
    display: flex;
    padding: 0.55rem 0.5rem 0.55rem 0;
    font-size: 0.8125rem;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    white-space: normal;
    line-height: 1.4;
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    background: transparent;
    border-bottom-color: var(--cyan);
    padding-left: 0.4rem;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-about .ver-node,
  .page-about .ver-node::before,
  .page-about .ver-node__gain,
  .page-about .promise-item,
  .page-about .about-index__link,
  .page-about .prose a {
    transition: none;
  }

  .page-about .ver-node__gain {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>