.page-about {
  --about-rail: 210px;
  --about-gap: clamp(18px, 3vw, 34px);
  --about-glow: rgba(214, 162, 74, .14);
}

.page-about .about-crumb {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-about .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 13px;
}

.page-about .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--mist);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 52px) 0 clamp(44px, 6vw, 86px);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(37, 28, 59, .9) 0%, rgba(14, 26, 43, .95) 46%, rgba(23, 20, 15, 1) 100%);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero-slab {
  position: absolute;
  left: 28%;
  right: -14%;
  bottom: -46%;
  height: 82%;
  background: linear-gradient(120deg, var(--about-glow) 0%, rgba(182, 64, 51, .10) 46%, transparent 78%);
  transform: skewY(-7deg);
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
}

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-about .about-hero-copy h1 {
  margin: 12px 0 18px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.95rem, 5vw, 3.5rem);
  line-height: 1.18;
  letter-spacing: -.012em;
  color: var(--text);
}

.page-about .about-hero-lead {
  max-width: 56ch;
  color: var(--text-dim);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

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

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-fact dt {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-about .about-fact dd {
  margin: 6px 0 0;
  color: var(--gold);
  font-size: clamp(15px, 2vw, 19px);
  letter-spacing: .02em;
}

.page-about .about-hero-side {
  align-self: start;
  padding: 20px clamp(16px, 2vw, 24px);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(16, 49, 45, .40), rgba(23, 20, 15, .55));
  box-shadow: inset 0 0 0 1px rgba(240, 208, 138, .05);
}

.page-about .about-side-title {
  margin: 0 0 14px;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .14em;
}

.page-about .about-jump {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-about .about-jump a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 8px 9px 0;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid var(--line-soft);
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-about .about-jump a .mono {
  color: var(--amber);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-about .about-jump a:hover,
.page-about .about-jump a:focus-visible {
  color: var(--gold);
  padding-left: 6px;
}

.page-about .about-tick {
  display: block;
  width: 100%;
  max-width: 180px;
  height: auto;
  margin-top: 18px;
}

.page-about .about-head {
  max-width: 62ch;
}

.page-about .about-origin-grid {
  display: grid;
  gap: clamp(24px, 4vw, 50px);
  align-items: start;
}

.page-about .about-origin-copy .section-title {
  margin: 10px 0 18px;
}

.page-about .about-origin-copy p {
  color: var(--text-dim);
  line-height: 1.9;
  margin: 0 0 16px;
}

.page-about .about-marks {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .about-marks li {
  position: relative;
  padding-left: 22px;
  color: var(--sand);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-about .about-marks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 1px;
  background: var(--amber);
}

.page-about .about-figure {
  position: relative;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, rgba(168, 149, 114, .06) 0 2px, transparent 2px 7px),
    rgba(16, 13, 9, .55);
}

.page-about .about-figure::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(240, 208, 138, .10);
  pointer-events: none;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  filter: saturate(.94) contrast(1.03);
}

.page-about .about-figure .media-caption {
  margin: 10px 2px 2px;
  color: var(--mist);
  font-size: 12px;
  line-height: 1.6;
}

.page-about .about-figure--origin img {
  aspect-ratio: 3 / 2;
}

.page-about .about-figure--plate img {
  aspect-ratio: 1 / 1;
}

.page-about .about-figure--net img {
  aspect-ratio: 12 / 7;
}

.page-about .about-timeline {
  background: linear-gradient(180deg, rgba(14, 26, 43, .55), transparent 42%);
  border-top: 1px solid var(--line-soft);
}

.page-about .about-tl-grid {
  display: grid;
  gap: var(--about-gap);
  align-items: start;
}

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

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

.page-about .about-tl-index .index-link {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-about .about-tl-index .index-link:hover,
.page-about .about-tl-index .index-link:focus-visible,
.page-about .about-tl-index .index-link[aria-current] {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
}

.page-about .about-tl-body {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
  padding-left: clamp(18px, 3vw, 32px);
}

.page-about .about-tl-item {
  position: relative;
  padding: 22px 0 26px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(18px, 3vw, 32px) - 4px);
  top: 30px;
  width: 7px;
  height: 7px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-about .about-tl-year {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 13px;
  letter-spacing: .18em;
}

.page-about .about-tl-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.2vw, 1.32rem);
  color: var(--text);
  line-height: 1.5;
}

.page-about .about-tl-item p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-about .about-fold {
  margin-top: 16px;
  border: 1px solid var(--line);
  background: rgba(16, 49, 45, .22);
}

.page-about .about-fold summary {
  padding: 11px 14px;
  cursor: pointer;
  color: var(--gold);
  font-size: 13.5px;
  letter-spacing: .04em;
  list-style: none;
}

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

.page-about .about-fold summary::after {
  content: "＋";
  float: right;
  color: var(--amber);
}

.page-about .about-fold[open] summary::after {
  content: "－";
}

.page-about .about-fold-body {
  padding: 0 14px 14px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-fold-body p {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.85;
}

.page-about .about-team-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-about .about-role {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(240, 208, 138, .04);
}

.page-about .about-role:nth-child(1) {
  background: linear-gradient(168deg, rgba(16, 49, 45, .55), rgba(23, 20, 15, .30));
}

.page-about .about-role:nth-child(2) {
  background: linear-gradient(168deg, rgba(91, 32, 43, .48), rgba(23, 20, 15, .30));
}

.page-about .about-role:nth-child(3) {
  background: linear-gradient(168deg, rgba(37, 28, 59, .68), rgba(23, 20, 15, .30));
}

.page-about .about-role-num {
  margin: 0 0 6px;
  color: var(--gold);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1;
  letter-spacing: .02em;
}

.page-about .about-role-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.page-about .about-role p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-about .about-flow {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(90deg, rgba(23, 20, 15, .8), rgba(23, 20, 15, .2));
}

.page-about .about-flow-title {
  margin: 0 0 16px;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .14em;
}

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

.page-about .about-flow-list li {
  display: grid;
  gap: 4px;
  color: var(--sand);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-about .about-flow-step {
  color: var(--amber);
  font-size: 11.5px;
  letter-spacing: .16em;
}

.page-about .about-network {
  background:
    radial-gradient(80% 70% at 82% 8%, rgba(214, 162, 74, .10) 0%, transparent 62%),
    linear-gradient(180deg, rgba(23, 20, 15, .9), rgba(14, 26, 43, .8));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-net-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-about .about-net-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-net-num {
  margin: 0;
  color: var(--gold);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1;
}

.page-about .about-net-num span {
  color: var(--amber);
  font-size: .6em;
}

.page-about .about-net-label {
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.6;
}

.page-about .about-partners-title {
  margin: 22px 0 10px;
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .14em;
}

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

.page-about .about-partners li {
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-partners h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
}

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

.page-about .about-promise-grid {
  display: grid;
  gap: 0;
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
}

.page-about .about-promise-item {
  padding: clamp(18px, 3vw, 26px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-promise-index {
  margin: 0 0 8px;
  color: var(--cinnabar);
  font-size: 12px;
  letter-spacing: .2em;
}

.page-about .about-promise-item h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text);
}

.page-about .about-promise-item p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .about-cta {
  padding: clamp(32px, 5vw, 60px) 0;
  background:
    linear-gradient(100deg, rgba(91, 32, 43, .82) 0%, rgba(23, 20, 15, .92) 52%, rgba(14, 26, 43, .95) 100%);
  border-top: 1px solid var(--line-strong);
}

.page-about .about-cta-inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-about .about-cta-copy h2 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  color: var(--text);
  letter-spacing: -.01em;
}

.page-about .about-cta-copy p {
  margin: 0;
  max-width: 54ch;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-about .about-team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-net-grid {
    grid-template-columns: 1.15fr .85fr;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }

  .page-about .about-hero-side {
    margin-top: 26px;
  }

  .page-about .about-origin-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }

  .page-about .about-figure--origin {
    margin-top: 54px;
  }

  .page-about .about-tl-grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(30px, 5vw, 70px);
  }

  .page-about .about-tl-rail {
    position: sticky;
    top: 104px;
  }

  .page-about .about-tl-index {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-about .about-tl-index .index-link {
    display: block;
    padding: 8px 0 8px 12px;
    border: 0;
    border-left: 1px solid var(--line);
    background: none;
    letter-spacing: .14em;
  }

  .page-about .about-tl-index .index-link:hover,
  .page-about .about-tl-index .index-link:focus-visible,
  .page-about .about-tl-index .index-link[aria-current] {
    color: var(--gold);
    border-left: 2px solid var(--amber);
    background: none;
  }

  .page-about .about-promise-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(24px, 4vw, 44px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-jump a,
  .page-about .about-tl-index .index-link {
    transition: none;
  }
}