.page-about {
  --about-rule: 1px solid var(--cool-300);
  --about-pad: clamp(56px, 8vw, 104px);
  background: var(--paper-050);
  color: var(--text-900);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-about .about-section {
  position: relative;
  padding: var(--about-pad) 0;
}

.page-about .side-label {
  position: absolute;
  top: var(--about-pad);
  right: 12px;
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  font-weight: 500;
  pointer-events: none;
}

.page-about .eyebrow {
  color: var(--ink-600);
}

.page-about .eyebrow--light {
  color: var(--amber-500);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper-050);
  padding: clamp(48px, 7vw, 88px) 0 clamp(48px, 7vw, 96px);
}

.page-about .about-hero__light {
  position: absolute;
  inset: 0 0 auto 0;
  height: 180px;
  background: linear-gradient(180deg, rgba(255, 176, 32, 0.34), rgba(255, 176, 32, 0));
  pointer-events: none;
}

.page-about .about-crumb {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cool-300);
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-about .about-crumb__link {
  color: var(--amber-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-about .about-crumb__link:hover,
.page-about .about-crumb__link:focus-visible {
  border-bottom-color: var(--amber-500);
}

.page-about .about-crumb__sep {
  color: rgba(185, 200, 209, 0.5);
}

.page-about .about-crumb__now {
  color: var(--paper-050);
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}

.page-about .about-hero__title {
  color: var(--paper-050);
  margin: 12px 0 0;
  max-width: 15em;
}

.page-about .about-hero__lede {
  color: var(--cool-100);
  margin-top: 20px;
  max-width: 34em;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero__index {
  padding: 22px;
  border-radius: var(--radius-l);
  border: 1px solid var(--stroke-light);
  background: var(--glass-dark);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.page-about .about-hero__index-title {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--amber-200);
  margin: 0 0 14px;
}

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

.page-about .about-index__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.page-about .about-index__num {
  color: var(--amber-500);
  font-size: 30px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  flex: 0 0 auto;
}

.page-about .about-index__label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--cool-100);
}

/* ---------- what we do ---------- */
.page-about .about-what__body {
  display: grid;
  gap: 22px;
  max-width: 46rem;
  margin-top: 28px;
}

.page-about .about-what .link-inline {
  color: var(--ink-600);
}

/* ---------- team ---------- */
.page-about .about-team .about-figure {
  margin: 0 0 clamp(32px, 5vw, 56px);
}

.page-about .about-team .about-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-l);
  aspect-ratio: 7 / 4;
  display: block;
}

.page-about .media__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-about .about-team__intro {
  max-width: 40rem;
  margin-top: 16px;
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-about .team-card {
  border: var(--about-rule);
  border-radius: var(--radius-m);
  padding: 26px 24px;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--amber-500);
  transform: translateY(-2px);
}

.page-about .team-card--wide {
  background: var(--ink-800);
  color: var(--paper-050);
  border-color: var(--ink-600);
}

.page-about .team-card__num {
  font-size: 54px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--amber-500);
  margin: 0;
  font-weight: 700;
}

.page-about .team-card__title {
  font-size: 20px;
  margin: 0;
  letter-spacing: 0.04em;
}

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

.page-about .team-card--wide .team-card__body {
  color: var(--cool-100);
}

.page-about .relay {
  margin-top: clamp(32px, 5vw, 56px);
  border-top: var(--about-rule);
  padding-top: 26px;
}

.page-about .relay__title {
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.page-about .relay__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: relay;
}

.page-about .relay__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-900);
  padding-left: 14px;
  border-left: 2px solid var(--cool-300);
}

.page-about .relay__min {
  color: var(--ink-600);
  font-weight: 700;
  letter-spacing: 0.02em;
  flex: 0 0 auto;
}

/* ---------- flow ---------- */
.page-about .about-flow__intro {
  max-width: 38rem;
  margin-top: 16px;
}

.page-about .flow {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .flow__step {
  position: relative;
  background: var(--paper-050);
  border: var(--about-rule);
  border-radius: var(--radius-m);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-about .flow__step:hover,
.page-about .flow__step:focus-within {
  border-color: var(--amber-500);
  box-shadow: var(--shadow-soft);
}

.page-about .flow__idx {
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--amber-500);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.page-about .flow__title {
  font-size: 19px;
  margin: 0;
  letter-spacing: 0.06em;
}

.page-about .flow__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0;
}

.page-about .flow__time {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--amber-200);
  color: var(--ink-800);
  font-variant-numeric: tabular-nums;
}

/* ---------- history ---------- */
.page-about .about-history {
  background: var(--ink-900);
  color: var(--paper-050);
  overflow: hidden;
}

.page-about .about-history__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-history__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  max-width: 100%;
}

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

.page-about .about-history__head .section-head__title {
  color: var(--paper-050);
  max-width: 18em;
}

.page-about .history-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 clamp(28px, 4vw, 44px);
}

.page-about .history-jump__link {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--stroke-light);
  color: var(--amber-200);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-about .history-jump__link:hover,
.page-about .history-jump__link:focus-visible {
  background: var(--amber-500);
  color: var(--ink-900);
  border-color: var(--amber-500);
}

.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
  display: grid;
  gap: 26px;
}

.page-about .timeline__item {
  position: relative;
  display: grid;
  gap: 8px;
  scroll-margin-top: 96px;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 10px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber-500);
  box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.18);
  transition: box-shadow 240ms var(--ease);
}

.page-about .timeline__year {
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--amber-500);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.page-about .timeline__card {
  border: 1px solid var(--stroke-light);
  border-radius: var(--radius-m);
  padding: 18px 20px;
  background: rgba(10, 58, 46, 0.55);
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-about .timeline__item:target .timeline__card {
  border-color: var(--amber-500);
  background: rgba(18, 87, 68, 0.75);
}

.page-about .timeline__item:target::before {
  box-shadow: 0 0 0 7px rgba(255, 176, 32, 0.26);
}

.page-about .timeline__title {
  font-size: 19px;
  margin: 0 0 6px;
  letter-spacing: 0.05em;
  color: var(--paper-050);
}

.page-about .timeline__body {
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
  color: var(--cool-100);
}

/* ---------- partner ---------- */
.page-about .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .partner-main .body-text {
  max-width: 36rem;
  margin-top: 16px;
}

.page-about .partner-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--cool-300);
  border: var(--about-rule);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-about .partner-stat {
  background: var(--paper-050);
  padding: 18px 16px;
}

.page-about .partner-stat__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.page-about .partner-stat__value {
  margin: 8px 0 0;
  font-size: 24px;
  line-height: 1.1;
  color: var(--ink-800);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

/* ---------- promise ---------- */
.page-about .promise-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
  align-items: start;
}

.page-about .promise-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-about .promise-card {
  background: #fff;
  border: var(--about-rule);
  border-top: 3px solid var(--amber-500);
  border-radius: var(--radius-s);
  padding: 20px 18px;
}

.page-about .promise-card__num {
  margin: 0;
  font-size: 26px;
  line-height: 1.1;
  color: var(--ink-800);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.page-about .promise-card__title {
  font-size: 16px;
  letter-spacing: 0.1em;
  margin: 10px 0 6px;
  color: var(--text-900);
}

.page-about .promise-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-about .promise-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .promise-figure {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-800);
}

.page-about .promise-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-about .promise-figure .media__caption {
  padding: 12px 16px;
  margin: 0;
  color: var(--cool-100);
  background: var(--ink-800);
}

@media (min-width: 700px) {
  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .team-card--wide {
    grid-column: 1 / -1;
  }
  .page-about .promise-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .partner-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .side-label {
    right: 24px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.45fr 1fr;
    align-items: start;
  }

  .page-about .team-grid {
    grid-template-columns: 1.35fr 1fr 0.8fr;
    align-items: start;
  }

  .page-about .team-card--wide {
    grid-column: auto;
  }

  .page-about .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .flow__step::after {
    content: "";
    position: absolute;
    right: -13px;
    top: 34px;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 8px solid var(--cool-300);
  }

  .page-about .flow__step:last-child::after {
    display: none;
  }

  .page-about .flow__time {
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 220ms var(--ease), transform 220ms var(--ease);
  }

  .page-about .flow__step:hover .flow__time,
  .page-about .flow__step:focus-within .flow__time {
    opacity: 1;
    transform: translateY(0);
  }

  .page-about .timeline {
    padding-left: 26px;
    gap: 30px;
  }

  .page-about .timeline__item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-about .timeline__item::before {
    left: -32px;
    top: 8px;
  }

  .page-about .timeline__year {
    font-size: 44px;
    line-height: 0.95;
    letter-spacing: 0.02em;
  }

  .page-about .partner-grid {
    grid-template-columns: 1.5fr 1fr;
  }

  .page-about .promise-grid {
    grid-template-columns: 1.55fr 1fr;
    align-items: stretch;
  }

  .page-about .promise-cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .promise-figure img {
    aspect-ratio: 9 / 11;
    height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .flow__step,
  .page-about .flow__time,
  .page-about .timeline__card,
  .page-about .history-jump__link {
    transition: none;
  }
  .page-about .team-card:hover {
    transform: none;
  }
}