.page-about {
  background: var(--c-cream);
  color: var(--c-ink);
}

.page-about .about-opener {
  background: var(--c-blue);
  color: var(--c-cream);
  padding: 36px 0 52px;
  position: relative;
  overflow: hidden;
}

.page-about .about-opener::after {
  content: "";
  position: absolute;
  top: 34px;
  right: -64px;
  width: 260px;
  height: 260px;
  background: var(--c-green);
  border-radius: 38% 62% 58% 42%;
  opacity: 0.6;
  pointer-events: none;
}

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

.page-about .about-edition {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-about h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 5.4vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  max-width: 18em;
}

.page-about .about-lead {
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--c-cream);
  opacity: 0.88;
  margin: 0 0 28px;
  max-width: 42em;
}

.page-about .about-philosophy-fig {
  margin: 28px 0 0;
  background: var(--c-cream);
  padding: 10px;
}

.page-about .about-philosophy-fig img,
.page-about .about-team-fig img,
.page-about .about-evolution-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-about .about-breadcrumbs-sep {
  margin: 0 6px;
  opacity: 0.6;
}

.page-about .about-magazine {
  padding: 24px 0 64px;
}

.page-about .about-aside {
  margin-bottom: 20px;
}

.page-about .about-aside-inner {
  background: var(--c-silver);
  border-left: 4px solid var(--c-gold);
  padding: 14px 14px 16px;
}

.page-about .about-aside-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin: 0 0 8px;
}

.page-about .about-chapter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

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

.page-about .about-chapter-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--c-cream);
  color: var(--c-blue);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease;
}

.page-about .about-chapter-list a span {
  font-family: var(--font-mono);
  font-size: 0.78em;
  color: var(--c-dark-gold);
}

.page-about .about-chapter-list a:hover {
  background: var(--c-gold);
  color: var(--c-blue);
}

.page-about .about-chapter-list a:focus {
  outline: 2px solid var(--c-dark-gold);
  outline-offset: 2px;
}

.page-about .about-chapter {
  position: relative;
  padding: 48px 0 44px;
  border-bottom: 1px solid var(--c-silver);
  scroll-margin-top: 110px;
}

.page-about .about-chapter::before {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  background: var(--c-gold);
  transform: rotate(45deg);
  margin-bottom: 16px;
}

.page-about .about-chapter-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
  margin-bottom: 18px;
}

.page-about .about-chapter-no {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.9rem, 10vw, 5rem);
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: var(--c-gold);
  margin: 0;
}

.page-about .about-chapter-meta {
  padding-top: 4px;
  min-width: 0;
}

.page-about .about-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-dark-gold);
  margin: 0 0 6px;
}

.page-about .about-chapter-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  margin: 0;
  max-width: 14em;
}

.page-about .about-chapter:target .about-chapter-head h2 {
  color: var(--c-green);
  text-decoration: underline;
  text-decoration-color: var(--c-gold);
  text-decoration-thickness: 3px;
  text-underline-offset: 5px;
}

.page-about .about-prose p {
  margin: 0 0 14px;
  max-width: 62ch;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-about .about-chapter-foot {
  margin-top: 20px;
}

.page-about .about-chapter-foot a {
  font-weight: 600;
  color: var(--c-green);
  text-decoration-color: var(--c-gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-about .about-chapter-foot a:hover {
  color: var(--c-dark-gold);
}

.page-about .about-chapter-grid {
  display: grid;
  gap: 20px;
}

.page-about .about-nav-note {
  background: var(--c-silver);
  padding: 18px 16px;
  border-top: 4px solid var(--c-green);
}

.page-about .about-note-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin: 0 0 8px;
}

.page-about .about-nav-note ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-nav-note li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--c-cream);
  font-size: 0.94rem;
}

.page-about .about-nav-note li::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--c-dark-gold);
}

.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-metric {
  background: var(--c-blue);
  color: var(--c-cream);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-metric-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--c-gold);
}

.page-about .about-metric-label {
  font-size: 0.82rem;
  color: var(--c-cream);
  opacity: 0.85;
}

.page-about .about-chapter--team {
  background: var(--c-green);
  color: var(--c-cream);
  border-bottom: 0;
  margin-top: 12px;
  padding-left: 18px;
  padding-right: 18px;
}

.page-about .about-chapter--team .about-chapter-no {
  color: var(--c-cream);
}

.page-about .about-chapter--team .about-kicker {
  color: var(--c-gold);
}

.page-about .about-chapter--team .about-chapter-head h2 {
  color: var(--c-cream);
}

.page-about .about-chapter--team .about-prose p {
  color: var(--c-cream);
  opacity: 0.93;
}

.page-about .about-team-grid {
  display: grid;
  gap: 22px;
}

.page-about .about-team-nums {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-about .about-team-num {
  background: var(--c-blue);
  color: var(--c-cream);
  text-align: center;
  padding: 16px 6px;
  font-size: 0.86rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-team-num span {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--c-gold);
}

.page-about .about-team-fig {
  margin: 26px 0 0;
  background: var(--c-blue);
  padding: 12px;
}

.page-about .about-timeline {
  position: relative;
  border-left: 2px solid var(--c-gold);
  margin: 0 0 0 4px;
  padding-left: 20px;
}

.page-about .about-timeline-item {
  position: relative;
  padding-bottom: 24px;
}

.page-about .about-timeline-item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-green);
  border: 2px solid var(--c-gold);
}

.page-about .about-timeline-year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--c-dark-gold);
  margin-bottom: 4px;
}

.page-about .about-timeline-text h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.3;
  margin: 0 0 6px;
  color: var(--c-ink);
}

.page-about .about-timeline-text p {
  margin: 0 0 6px;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--c-ink);
}

.page-about .about-timeline-detail summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--c-green);
  text-decoration: underline;
  text-decoration-color: var(--c-gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  list-style: none;
}

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

.page-about .about-timeline-detail[open] summary {
  color: var(--c-dark-gold);
}

.page-about .about-evolution-fig {
  margin: 0;
  background: var(--c-blue);
  padding: 10px;
}

.page-about .about-outro {
  background: var(--c-gold);
  color: var(--c-blue);
  padding: 32px 22px 36px;
  margin-top: 40px;
}

.page-about .about-outro-inner {
  max-width: 640px;
}

.page-about .about-outro .about-kicker {
  color: var(--c-blue);
}

.page-about .about-outro h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--c-blue);
}

.page-about .about-outro p {
  color: var(--c-blue);
  opacity: 0.9;
  margin: 0 0 18px;
}

@media (min-width: 640px) {
  .page-about .about-chapter {
    padding-left: 8px;
    padding-right: 8px;
  }
}

@media (min-width: 720px) {
  .page-about .about-prose--cols {
    column-count: 2;
    column-gap: 28px;
  }

  .page-about .about-prose--cols p {
    break-inside: avoid;
  }

  .page-about .about-chapter-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .about-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-about .about-metric {
    padding: 22px 16px;
  }

  .page-about .about-metric-num {
    font-size: 2.1rem;
  }

  .page-about .about-team-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(180px, 0.9fr);
    align-items: start;
  }

  .page-about .about-chapter--team {
    padding-left: 28px;
    padding-right: 28px;
  }
}

@media (min-width: 860px) {
  .page-about .about-opener {
    padding: 56px 0 72px;
  }

  .page-about .about-opener-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
    gap: 44px;
    align-items: center;
  }

  .page-about .about-philosophy-fig {
    margin: 0;
    transform: rotate(1.2deg);
  }

  .page-about .about-opener::after {
    right: -40px;
    width: 380px;
    height: 380px;
  }

  .page-about .about-chapter-grid--timeline {
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-magazine {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 44px;
    padding: 48px 0 96px;
    align-items: start;
  }

  .page-about .about-aside {
    margin: 0;
  }

  .page-about .about-aside-inner {
    position: sticky;
    top: 108px;
    padding: 18px 18px 20px;
  }

  .page-about .about-chapter-list {
    display: block;
  }

  .page-about .about-chapter-list li + li {
    border-top: 1px solid var(--c-silver);
  }

  .page-about .about-chapter-list a {
    display: flex;
    justify-content: space-between;
    background: transparent;
    padding: 10px 2px;
  }

  .page-about .about-chapter {
    padding: 56px 8px 52px;
  }
}