.page-about {
  --about-rail: 92px;
  --about-gap: clamp(18px, 4vw, 48px);
  position: relative;
  color: var(--paper);
  background:
    radial-gradient(140% 90% at 92% -8%, rgba(37, 230, 210, 0.10), transparent 58%),
    radial-gradient(90% 60% at 0% 42%, rgba(246, 184, 75, 0.05), transparent 60%),
    var(--ink-900);
  overflow-x: clip;
}

.page-about .about-crumb {
  padding-block: clamp(16px, 3vw, 28px) 0;
}

.page-about .about-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(44px, 8vw, 104px);
}

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

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

.page-about .about-hero__rail-no {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-about .about-hero__rail-line {
  width: 1px;
  flex: 1 1 auto;
  min-height: 160px;
  background: linear-gradient(180deg, var(--cyan), rgba(37, 230, 210, 0));
}

.page-about .about-hero__rail-word {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.34em;
  color: var(--muted);
  writing-mode: vertical-rl;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 7.6vw, 92px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 16em;
  text-wrap: balance;
}

.page-about .about-hero__lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 56ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-hero__figure {
  margin: clamp(26px, 4vw, 46px) 0 0;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-creed {
  padding-block: clamp(48px, 8vw, 112px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 58, 49, 0.55), rgba(7, 26, 21, 0));
}

.page-about .about-creed__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 48px);
}

.page-about .about-creed__line {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.8vw, 60px);
  line-height: 1.28;
  letter-spacing: -0.015em;
  max-width: 22em;
}

.page-about .about-creed__mark {
  color: var(--amber);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 3px;
  text-underline-offset: 0.16em;
  outline: none;
  transition: text-decoration-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-about .about-creed__mark:hover {
  text-decoration-color: var(--cyan);
}

.page-about .about-creed__mark:focus-visible {
  color: var(--amber-soft);
  text-decoration-color: var(--cyan);
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

.page-about .about-creed__note {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
  border-left: 2px solid var(--line);
  padding-left: clamp(16px, 2vw, 22px);
}

.page-about .about-timeline {
  padding-block: clamp(52px, 8vw, 112px);
}

.page-about .about-timeline__wrap {
  margin-top: clamp(28px, 4vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
}

.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(44px, 6vw, 72px);
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 42px);
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(37, 230, 210, 0.4) 48%, rgba(37, 230, 210, 0));
}

.page-about .timeline__item {
  position: relative;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(44px, 6vw, 72px) + 8px);
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(37, 230, 210, 0.10);
  transition: box-shadow 0.24s var(--ease), background 0.24s var(--ease);
}

.page-about .timeline__item:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 0 7px rgba(37, 230, 210, 0.18);
}

.page-about .timeline__no {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan-soft);
}

.page-about .timeline__title {
  margin: 6px 0 8px;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  transition: color 0.24s var(--ease);
}

.page-about .timeline__item:hover .timeline__title {
  color: var(--cyan);
}

.page-about .timeline__text {
  margin: 0;
  max-width: 48ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-timeline__media {
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.page-about .about-timeline__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-timeline__media .media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 12px 16px;
  background: linear-gradient(0deg, rgba(4, 17, 14, 0.88), rgba(4, 17, 14, 0));
  font-size: 13px;
  color: var(--muted);
}

.page-about .about-team {
  padding-block: clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--line);
}

.page-about .about-team__grid {
  margin-top: clamp(26px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
}

.page-about .about-stat {
  position: relative;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: visible;
}

.page-about .about-stat__num {
  display: block;
  width: max-content;
  max-width: 100%;
  margin-left: -0.06em;
  padding-bottom: 8px;
  border-bottom: 3px solid rgba(246, 184, 75, 0.55);
  font-family: var(--font-num);
  font-size: clamp(38px, 8vw, 82px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
  word-break: break-word;
}

.page-about .about-stat__unit {
  margin-left: 8px;
  font-family: var(--font-body);
  font-size: clamp(13px, 1.3vw, 15px);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--muted);
}

.page-about .about-stat__title {
  margin: clamp(16px, 2vw, 22px) 0 8px;
  font-family: var(--font-head);
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-stat__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-eco {
  padding-block: clamp(48px, 8vw, 104px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(12, 38, 31, 0.7), rgba(7, 26, 21, 0));
}

.page-about .about-eco__grid {
  margin-top: clamp(26px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.2vw, 22px);
}

.page-about .eco-card {
  padding: clamp(20px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 58, 49, 0.6);
  outline: none;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-about .eco-card:hover,
.page-about .eco-card:focus-visible {
  background: rgba(18, 58, 49, 0.86);
  border-color: rgba(37, 230, 210, 0.45);
  transform: translateY(-4px);
}

.page-about .eco-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .eco-card__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cyan);
  border-bottom: 2px solid rgba(246, 184, 75, 0.45);
  padding-bottom: 8px;
  width: max-content;
  max-width: 100%;
}

.page-about .eco-card__title {
  margin: 12px 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
}

.page-about .eco-card__note {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
  opacity: 0.85;
  transition: opacity 0.24s var(--ease), color 0.24s var(--ease);
}

.page-about .eco-card:hover .eco-card__note,
.page-about .eco-card:focus-visible .eco-card__note {
  opacity: 1;
  color: var(--paper);
}

.page-about .about-honor {
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-about .honor-tag {
  padding: 8px 14px;
  border: 1px solid rgba(246, 184, 75, 0.5);
  border-radius: var(--radius);
  background: rgba(246, 184, 75, 0.06);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-soft);
}

.page-about .about-honor__text {
  flex: 1 1 260px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-about .about-eco__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 62ch;
}

.page-about .about-eco__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(37, 230, 210, 0.45);
  text-underline-offset: 0.2em;
}

.page-about .about-eco__foot a:hover {
  color: var(--cyan-soft);
  text-decoration-color: var(--cyan-soft);
}

.page-about .about-rules {
  padding-block: clamp(52px, 8vw, 112px);
  border-top: 1px solid var(--line);
}

.page-about .about-rules__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
}

.page-about .rule-list {
  list-style: none;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-about .rule {
  padding-left: clamp(16px, 2vw, 24px);
  border-left: 2px solid var(--line);
  transition: border-color 0.24s var(--ease);
}

.page-about .rule:hover {
  border-left-color: var(--cyan);
}

.page-about .rule__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 800;
}

.page-about .rule__text {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-about .about-cta {
  margin-top: clamp(26px, 4vw, 40px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-rules__aside {
  padding: clamp(16px, 2vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-about .about-rules__aside .media-frame {
  margin: 0 0 16px;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-rules__aside .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-rules__aside .media-caption {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}

.page-about .about-rules__aside-text {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

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

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-hero__rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding-top: 12px;
  }

  .page-about .about-creed__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.8fr);
    align-items: end;
  }

  .page-about .about-timeline__wrap {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-about .about-rules__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-about .about-eco__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .eco-card,
  .page-about .about-creed__mark,
  .page-about .timeline__item::before,
  .page-about .timeline__title,
  .page-about .rule {
    transition: none;
  }

  .page-about .eco-card:hover,
  .page-about .eco-card:focus-visible {
    transform: none;
  }
}
<<<END>>>