.page-about {
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-about * {
  box-sizing: border-box;
}

.page-about a {
  color: inherit;
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .btn:hover {
  transform: translateY(-1px);
}

.page-about .btn--primary {
  background: var(--cinnabar);
  color: var(--paper);
}

.page-about .btn--primary:hover {
  background: var(--cinnabar-deep);
}

.page-about .btn--ghost {
  border-color: var(--line-strong);
  color: var(--ink);
}

.page-about .btn--ghost:hover {
  border-color: var(--azurite);
  color: var(--azurite);
}

.page-about .btn:focus-visible,
.page-about a:focus-visible,
.page-about summary:focus-visible,
.page-about .about-node:focus-visible {
  outline: 2px solid var(--azurite);
  outline-offset: 3px;
}

.about-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2.5rem, 6vw, 5rem);
  background:
    linear-gradient(180deg, rgba(255, 249, 238, 0.25), transparent 60%),
    var(--sand);
  overflow: hidden;
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0, transparent 39px, rgba(31, 36, 33, 0.045) 39px, rgba(31, 36, 33, 0.045) 40px),
    repeating-linear-gradient(90deg, transparent 0, transparent 39px, rgba(31, 36, 33, 0.045) 39px, rgba(31, 36, 33, 0.045) 40px);
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 85%);
}

.about-hero-grid {
  position: relative;
  display: grid;
  gap: 2rem;
}

.about-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
  color: var(--slate);
  font-size: 0.8rem;
}

.about-crumb a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.about-crumb a:hover {
  color: var(--azurite);
  border-bottom-color: var(--azurite-soft);
}

.about-kicker {
  margin: 0 0 0.6rem;
  color: var(--ochre);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.about-hero h1 {
  margin: 0;
  max-width: 13ch;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.about-lede {
  max-width: 46ch;
  margin: 1.25rem 0 0;
  color: #37403d;
  font-size: 1.02rem;
  line-height: 1.85;
}

.about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.about-index {
  padding: 1.1rem 1.1rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--azurite);
}

.about-index-cap {
  margin: 0 0 0.75rem;
  color: var(--azurite);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

.about-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.about-index-list li {
  border-bottom: 1px solid var(--line);
}

.about-index-list a {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.62rem 0.25rem;
  color: var(--ink);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.about-index-list a:hover {
  padding-left: 0.5rem;
  background: rgba(31, 95, 107, 0.07);
  color: var(--azurite);
}

.about-index-list .mono {
  color: var(--ochre);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.about-index-seal {
  display: inline-grid;
  place-items: center;
  width: 88px;
  height: 88px;
  margin-top: 1.1rem;
  border: 2px solid var(--cinnabar);
  color: var(--cinnabar);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-align: center;
  transform: rotate(-3deg);
}

.about-notes {
  background: var(--sand);
}

.about-note-row {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  border-top: 1px solid var(--line);
}

.about-note-row:nth-child(even) {
  background: rgba(255, 249, 238, 0.38);
}

.about-note-grid {
  display: grid;
  gap: 1.25rem;
}

.about-aside {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-left: 0.8rem;
  border-left: 1px solid var(--line-strong);
}

.about-num {
  display: block;
  color: var(--ochre);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
}

.about-aside-label {
  color: var(--slate);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
}

.about-body {
  min-width: 0;
}

.about-body h2 {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.about-body p {
  margin: 0 0 1rem;
  color: #333b38;
  font-size: 1rem;
  line-height: 1.85;
}

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

.about-split {
  display: grid;
  gap: 1.5rem;
}

.about-figure {
  margin: 0;
  padding: 0.55rem;
  background: var(--paper);
  border: 1px solid var(--line-strong);
}

.about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about-team-media img {
  aspect-ratio: 5 / 4;
}

.about-figure figcaption {
  padding-top: 0.6rem;
  color: var(--slate);
  font-size: 0.78rem;
  line-height: 1.65;
}

.about-cards {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.about-card {
  padding: 1.15rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--azurite);
  border-radius: 2px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.about-card:nth-child(2) {
  border-left-color: var(--malachite);
}

.about-card:nth-child(3) {
  border-left-color: var(--ochre);
}

.about-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.about-card-tag {
  display: inline-block;
  padding: 0.22rem 0.48rem;
  background: rgba(31, 95, 107, 0.08);
  color: var(--azurite);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.about-card h3 {
  margin: 0.65rem 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.35;
}

.about-card p {
  margin: 0;
  color: #3a423f;
  font-size: 0.92rem;
  line-height: 1.78;
}

.about-steps {
  display: grid;
  gap: 0.85rem;
  margin: 1.5rem 0 1.25rem;
}

.about-step {
  padding-top: 0.7rem;
  border-top: 2px solid var(--ochre);
}

.about-step-time {
  margin: 0 0 0.35rem;
  color: var(--cinnabar);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.about-step-text {
  margin: 0;
  color: #3a423f;
  font-size: 0.9rem;
  line-height: 1.72;
}

.about-more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--azurite);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.about-more-link:hover {
  color: var(--cinnabar);
}

.about-team {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.about-details {
  border-top: 1px solid var(--line-strong);
}

.about-detail {
  border-bottom: 1px solid var(--line);
}

.about-detail summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.about-detail summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--cinnabar);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 400;
}

.about-detail[open] summary::after {
  content: "−";
}

.about-detail-body {
  padding: 0 0 0.95rem;
  color: #3a423f;
  font-size: 0.9rem;
  line-height: 1.8;
}

.about-trail-figure {
  margin: 1.5rem 0 0;
}

.about-trail-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border: 1px solid var(--line);
}

.about-trail {
  position: relative;
  display: grid;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.about-trail::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 17px;
  width: 1px;
  background: var(--line-strong);
}

.about-node {
  position: relative;
  padding: 0.9rem 1rem 0.9rem 2.7rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.about-node::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 8px;
  z-index: 1;
  width: 18px;
  height: 18px;
  background: var(--cinnabar);
  border: 2px solid var(--sand);
  box-shadow: 0 0 0 1px var(--cinnabar);
}

.about-node-year {
  margin: 0 0 0.25rem;
  color: var(--cinnabar);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.about-node-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.about-node-more {
  margin: 0;
  color: var(--slate);
  font-size: 0.84rem;
  line-height: 1.7;
}

.about-colors {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.about-swatch {
  padding: 0.45rem;
  background: var(--paper);
  border: 1px solid var(--line);
}

.about-swatch-chip {
  display: block;
  height: 44px;
  margin-bottom: 0.45rem;
  background: var(--swatch);
  border: 1px solid rgba(31, 36, 33, 0.08);
}

.about-swatch-name {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
}

.about-swatch-hex {
  display: block;
  margin-top: 0.12rem;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.about-closing {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  background:
    repeating-linear-gradient(90deg, transparent 0, transparent 47px, rgba(255, 249, 238, 0.045) 47px, rgba(255, 249, 238, 0.045) 48px),
    var(--indigo);
  color: var(--paper);
  overflow: hidden;
}

.about-closing-grid {
  display: grid;
  gap: 2rem;
}

.about-closing .about-kicker {
  color: var(--azurite-soft);
}

.about-closing h2 {
  margin: 0 0 1rem;
  max-width: 16ch;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper);
}

.about-closing p {
  margin: 0 0 1rem;
  max-width: 52ch;
  color: rgba(255, 249, 238, 0.8);
  font-size: 0.96rem;
  line-height: 1.85;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.5rem;
}

.about-links a {
  color: var(--paper);
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 249, 238, 0.4);
  padding-bottom: 0.15rem;
}

.about-links a:hover {
  color: #f0c9a8;
  border-bottom-color: #f0c9a8;
}

.about-seal-card {
  padding: 1.25rem;
  background: rgba(255, 249, 238, 0.05);
  border: 1px solid var(--line-paper);
}

.about-seal {
  display: inline-grid;
  place-items: center;
  width: 88px;
  height: 88px;
  margin-bottom: 1rem;
  background: var(--cinnabar);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-align: center;
  transform: rotate(-3deg);
}

.about-seal-card p {
  margin: 0 0 1rem;
  color: rgba(255, 249, 238, 0.78);
  font-size: 0.9rem;
  line-height: 1.75;
}

.about-seal-link {
  display: inline-block;
  color: var(--paper);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.about-seal-link:hover {
  color: #f0c9a8;
}

@media (min-width: 720px) {
  .about-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .about-colors {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .about-hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    align-items: end;
    gap: 3rem;
  }

  .about-index {
    align-self: stretch;
    display: flex;
    flex-direction: column;
  }

  .about-index-seal {
    margin-top: auto;
    align-self: flex-end;
  }

  .about-note-grid {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 2rem 2.5rem;
    align-items: start;
  }

  .about-aside {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    flex-direction: column;
    gap: 0.65rem;
    padding-left: 1rem;
  }

  .about-aside-label {
    writing-mode: vertical-rl;
    letter-spacing: 0.3em;
  }

  .about-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2rem;
    align-items: start;
  }

  .about-team {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 2rem;
    align-items: start;
  }

  .about-trail {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.75rem;
    padding-top: 0.85rem;
  }

  .about-trail::before {
    top: 0.85rem;
    bottom: auto;
    left: 0;
    right: 0;
    width: auto;
    height: 1px;
    background: var(--line-strong);
  }

  .about-node {
    padding: 2.15rem 1rem 1rem;
  }

  .about-node::before {
    top: 0.35rem;
    left: 1rem;
  }

  .about-node:hover,
  .about-node:focus,
  .about-node:focus-within {
    transform: translateY(-2px);
    border-color: var(--line-strong);
  }

  .about-node-more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.25s var(--ease), opacity 0.2s var(--ease);
  }

  .about-node:hover .about-node-more,
  .about-node:focus .about-node-more,
  .about-node:focus-within .about-node-more {
    max-height: 10rem;
    opacity: 1;
  }

  .about-closing-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
    gap: 3rem;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .about-node-more {
    max-height: none;
    opacity: 1;
  }
}
<<<END>>>

.page-about {
  --swatch: transparent;
}