.page-about {
  --about-soft-line: rgba(168, 218, 220, .12);
  --about-gold-line: rgba(212, 183, 122, .24);
  --about-gold-glow: rgba(212, 183, 122, .18);
  --about-caption-color: rgba(168, 218, 220, .62);
  background:
    radial-gradient(900px 480px at 85% -5%, rgba(30, 78, 156, .3), transparent),
    var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.7;
}

.page-about .about-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--side-space);
}

.page-about .about-rail {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(8, 21, 39, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--about-gold-line);
  margin: 0 calc(var(--side-space) * -1) 32px;
  padding: 10px var(--side-space);
}

.page-about .about-chapter-nav {
  min-width: 0;
}

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

.page-about .about-chapter-list::-webkit-scrollbar {
  display: none;
}

.page-about .about-chapter-list li {
  flex: 0 0 auto;
}

.page-about .about-chapter-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  border: 1px solid var(--about-gold-line);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}

.page-about .about-chapter-link sup {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.page-about .about-chapter-link:hover,
.page-about .about-chapter-link:focus-visible {
  background: rgba(30, 78, 156, .45);
  border-color: var(--gold);
  color: var(--gold-bright);
}

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

.page-about .about-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  padding-top: 32px;
  font-size: 13px;
  color: var(--text-sub);
}

.page-about .about-breadcrumb a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color .3s var(--ease);
}

.page-about .about-breadcrumb a:hover {
  color: var(--gold);
}

.page-about .about-breadcrumb-sep {
  color: var(--text-sub);
  opacity: .5;
}

.page-about .about-breadcrumb span[aria-current="page"] {
  color: var(--gold);
}

.page-about .about-hero {
  position: relative;
  padding: 40px 0 32px;
}

.page-about .about-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--about-caption-color);
}

.page-about .about-eyebrow-line {
  display: inline-block;
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-start), var(--cyan-end));
}

.page-about .about-hero h1 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: clamp(34px, 7vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: .02em;
}

.page-about .about-hero-lead {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 600;
  color: var(--gold-bright);
}

.page-about .about-hero-text {
  max-width: 600px;
  margin: 0 0 24px;
  color: var(--text-sub);
  font-size: 15px;
}

.page-about .about-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-about .about-hero-figure {
  margin: 0 0 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
}

.page-about .about-stat {
  background: var(--bg-card);
  border: 1px solid var(--about-gold-line);
  border-radius: var(--radius-md);
  padding: 16px 14px;
}

.page-about .about-stat dt {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.4;
}

.page-about .about-stat dd {
  margin: 6px 0 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

.page-about .about-stat-num {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 800;
  color: var(--gold-bright);
  margin-right: 2px;
}

.page-about .about-section {
  padding: 48px 0 8px;
  border-top: 1px solid var(--about-soft-line);
}

.page-about .about-section-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.page-about .about-section-num {
  font-family: var(--font-serif);
  font-size: clamp(48px, 10vw, 84px);
  font-weight: 900;
  line-height: .9;
  color: rgba(212, 183, 122, .32);
  -webkit-text-stroke: 2px var(--gold);
  text-shadow: 0 0 34px var(--about-gold-glow);
  flex: 0 0 auto;
}

.page-about .about-section-en {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--about-caption-color);
}

.page-about .about-section-title h2 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.2;
}

.page-about .about-section-sub {
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
}

.page-about .about-origin-grid {
  display: grid;
  gap: 24px;
}

.page-about .about-origin-copy p {
  margin: 0 0 14px;
  color: var(--text-sub);
  font-size: 15px;
}

.page-about .about-origin-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-origin-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--about-gold-line);
  border-radius: var(--radius-md);
  padding: 16px;
}

.page-about .about-origin-list-ico {
  color: var(--gold);
  font-size: 12px;
  margin-top: 6px;
}

.page-about .about-origin-list strong {
  display: block;
  font-size: 15px;
  color: var(--text-main);
}

.page-about .about-origin-list p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-sub);
}

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

.page-about .about-journey-bg {
  display: block;
  width: 100%;
  max-height: 220px;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

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

.page-about .about-journey-list::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-start), var(--gold));
  border-radius: 2px;
}

.page-about .about-journey-item {
  position: relative;
  padding: 0 0 18px 44px;
}

.page-about .about-journey-dot {
  position: absolute;
  left: 5px;
  top: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 3px solid var(--gold);
  box-shadow: 0 0 0 5px rgba(168, 218, 220, .14);
  z-index: 1;
}

.page-about .about-journey-card {
  background: var(--bg-card);
  border: 1px solid var(--about-gold-line);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}

.page-about .about-journey-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-card);
}

.page-about .about-journey-card summary {
  display: block;
  cursor: pointer;
  list-style: none;
}

.page-about .about-journey-card summary::-webkit-details-marker {
  display: none;
}

.page-about .about-journey-card summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-about .about-journey-phase {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: rgba(30, 78, 156, .5);
  color: var(--cyan-start);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
}

.page-about .about-journey-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
}

.page-about .about-journey-card p {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--text-sub);
}

.page-about .about-journey-card[open] {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}

.page-about .about-principles {
  display: grid;
  gap: 16px;
}

.page-about .about-principle {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--about-gold-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-about .about-principle:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-about .about-principle-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--royal), rgba(30, 78, 156, .4));
  color: var(--gold-bright);
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 18px;
}

.page-about .about-principle h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
}

.page-about .about-principle p {
  margin: 0;
  font-size: 14px;
  color: var(--text-sub);
}

.page-about .about-team {
  display: grid;
  gap: 24px;
}

.page-about .about-team-copy > p {
  margin: 0 0 16px;
  color: var(--text-sub);
  font-size: 15px;
}

.page-about .about-team-roles {
  margin: 0 0 16px;
  display: grid;
  gap: 12px;
}

.page-about .about-team-roles > div {
  background: var(--bg-card);
  border-left: 3px solid var(--gold);
  border-radius: 14px;
  padding: 14px 16px;
}

.page-about .about-team-roles dt {
  font-weight: 700;
  color: var(--gold-bright);
  font-size: 15px;
}

.page-about .about-team-roles dd {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--text-sub);
}

.page-about .about-team-extra {
  background: rgba(168, 218, 220, .06);
  border-radius: var(--radius-md);
  padding: 16px;
  display: grid;
  gap: 4px;
}

.page-about .about-team-extra p {
  margin: 0;
  font-size: 14px;
  color: var(--text-sub);
}

.page-about .about-team-extra strong {
  color: var(--text-main);
}

.page-about .about-team-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

.page-about .about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-trust {
  margin: 40px 0 8px;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(800px 300px at 90% -10%, rgba(30, 78, 156, .4), transparent),
    linear-gradient(135deg, rgba(30, 78, 156, .24), rgba(168, 218, 220, .06));
  border: 1px solid var(--about-gold-line);
}

.page-about .about-trust-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.page-about .about-trust-stat {
  display: flex;
  flex-direction: column;
}

.page-about .about-trust-num {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 800;
  color: var(--gold-bright);
  line-height: 1;
}

.page-about .about-trust-label {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-sub);
}

.page-about .about-trust .trust-statement {
  color: var(--text-main);
  font-size: 14px;
  border-left: 2px solid var(--gold);
  padding-left: 16px;
  margin: 24px 0;
}

.page-about .about-trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 768px) {
  .page-about .about-trust {
    margin-top: 48px;
  }

  .page-about .about-trust-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-shell {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 56px;
    max-width: 1280px;
    padding: 0 32px 0 calc(var(--side-space) + 24px);
  }

  .page-about .about-rail {
    position: sticky;
    top: 24px;
    z-index: auto;
    height: calc(100vh - 48px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
    margin: 0;
    padding: 0;
    align-self: start;
  }

  .page-about .about-chapter-nav {
    width: 100%;
  }

  .page-about .about-chapter-list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
  }

  .page-about .about-chapter-list li {
    flex: none;
  }

  .page-about .about-chapter-link {
    width: 100%;
    justify-content: space-between;
    padding: 14px 20px;
    background: transparent;
    border-color: transparent;
    font-size: 15px;
  }

  .page-about .about-chapter-link sup {
    font-size: 20px;
  }

  .page-about .about-chapter-link:hover,
  .page-about .about-chapter-link:focus-visible {
    background: rgba(30, 78, 156, .4);
    border-color: var(--gold);
  }

  .page-about .about-breadcrumb {
    padding-top: 40px;
  }

  .page-about .about-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
    grid-template-areas:
      "eyebrow figure"
      "title figure"
      "lead figure"
      "text figure"
      "cta figure"
      "stats figure";
    column-gap: 56px;
    align-items: center;
    padding: 56px 0 64px;
  }

  .page-about .about-eyebrow {
    grid-area: eyebrow;
    margin-bottom: 4px;
  }

  .page-about .about-hero h1 {
    grid-area: title;
  }

  .page-about .about-hero-lead {
    grid-area: lead;
  }

  .page-about .about-hero-text {
    grid-area: text;
    font-size: 16px;
  }

  .page-about .about-hero-cta {
    grid-area: cta;
  }

  .page-about .about-hero-figure {
    grid-area: figure;
    align-self: stretch;
    margin: 0;
    max-height: 720px;
  }

  .page-about .about-hero-figure img {
    height: 100%;
    min-height: 480px;
    object-fit: cover;
  }

  .page-about .about-hero-stats {
    grid-area: stats;
  }

  .page-about .about-section {
    padding: 80px 0 24px;
  }

  .page-about .about-section-head {
    margin-bottom: 40px;
  }

  .page-about .about-section-num {
    font-size: 96px;
  }

  .page-about .about-origin-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
    gap: 48px;
  }

  .page-about .about-journey-bg {
    max-height: 320px;
    margin-bottom: 32px;
  }

  .page-about .about-journey-list::before {
    left: 20px;
  }

  .page-about .about-journey-item {
    padding-left: 68px;
    padding-bottom: 22px;
  }

  .page-about .about-journey-dot {
    left: 10px;
    top: 28px;
    width: 22px;
    height: 22px;
  }

  .page-about .about-journey-card {
    padding: 22px 26px;
  }

  .page-about .about-journey-card h3 {
    font-size: 22px;
  }

  .page-about .about-principles {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .about-principle {
    padding: 32px 26px;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
    gap: 48px;
    align-items: center;
  }

  .page-about .about-trust {
    margin: 56px 0 16px;
    padding: 36px 40px;
  }
}