.page-about {
  --about-line: rgba(58, 74, 66, 0.62);
  --about-line-soft: rgba(58, 74, 66, 0.34);
  --about-card: rgba(18, 53, 39, 0.42);
  --about-deep: rgba(13, 26, 20, 0.78);
  --about-index-w: 206px;
  background: var(--ink-900, #07110D);
  color: var(--paper, #F4F1E8);
  overflow-x: hidden;
}

.page-about .crumbs {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-about .about-hero {
  padding-top: clamp(16px, 3.4vw, 34px);
  padding-bottom: clamp(26px, 5vw, 58px);
}

.page-about .about-hero__title {
  margin: 12px 0 18px;
  max-width: 20em;
  font-family: var(--font-display, sans-serif);
  font-weight: 900;
  font-size: clamp(32px, 8.4vw, 74px);
  line-height: 0.99;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-about .about-hero__lede {
  max-width: 62ch;
  color: var(--mist, #9BB3A6);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.85;
}

.page-about .about-figures {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: clamp(22px, 3.4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-figures li {
  display: grid;
  gap: 4px;
  min-width: 120px;
}

.page-about .about-figures b {
  font-family: var(--font-mono, monospace);
  font-size: clamp(22px, 2.6vw, 28px);
  letter-spacing: 0.02em;
  color: var(--paper, #F4F1E8);
  line-height: 1;
}

.page-about .about-figures span {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist, #9BB3A6);
}

.page-about .about-shell {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(44px, 7vw, 92px);
}

.page-about .about-index {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-about .about-index__label {
  margin: 0;
  font-family: var(--font-mono, monospace);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--index, #3A4A42);
  text-transform: uppercase;
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-index__list a {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--about-line);
  border-radius: 999px;
  color: var(--mist, #9BB3A6);
  font-size: 13.5px;
  text-decoration: none;
  transition: color var(--dur, 160ms) var(--ease, ease), border-color var(--dur, 160ms) var(--ease, ease), background var(--dur, 160ms) var(--ease, ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--paper, #F4F1E8);
  border-color: var(--cyan, #5FF2D2);
  background: rgba(95, 242, 210, 0.08);
  outline: none;
}

.page-about .about-index__cta {
  justify-self: start;
}

.page-about .about-canvas {
  position: relative;
  display: grid;
  gap: clamp(34px, 5vw, 70px);
  min-width: 0;
  padding: clamp(22px, 4vw, 52px);
  border-radius: var(--radius-lg, 24px);
  background:
    linear-gradient(180deg, rgba(13, 26, 20, 0.94), rgba(7, 17, 13, 0.96)),
    var(--ink-800, #0D1A14);
  box-shadow: inset 0 0 0 1px var(--about-line-soft);
  overflow: hidden;
}

.page-about .about-canvas::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(95, 242, 210, 0.045) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, rgba(95, 242, 210, 0.03) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-about .about-sec {
  position: relative;
  display: grid;
  gap: clamp(14px, 2.2vw, 24px);
  min-width: 0;
  scroll-margin-top: 90px;
}

.page-about .about-sec + .about-sec {
  padding-top: clamp(26px, 4vw, 48px);
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-about .about-sec__seq {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan, #5FF2D2);
  padding: 3px 8px;
  border: 1px solid rgba(95, 242, 210, 0.36);
  border-radius: 6px;
}

.page-about .about-sec__title {
  margin: 0;
  font-family: var(--font-display, sans-serif);
  font-weight: 900;
  font-size: clamp(23px, 4.4vw, 40px);
  line-height: 1.08;
  letter-spacing: -0.012em;
}

.page-about .about-sec__lede {
  max-width: 64ch;
  margin: 0;
  color: var(--mist, #9BB3A6);
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.85;
}

.page-about .prose {
  display: grid;
  gap: 14px;
  max-width: 66ch;
}

.page-about .prose p {
  margin: 0;
  color: rgba(244, 241, 232, 0.86);
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.9;
}

.page-about .brand-grid,
.page-about .version-grid {
  display: grid;
  gap: clamp(16px, 2.6vw, 28px);
  min-width: 0;
}

.page-about .about-plate {
  margin: 0;
  border-radius: var(--radius-lg, 24px);
  border: 1px solid var(--about-line-soft);
  background: var(--ink-700, #123527);
  overflow: hidden;
}

.page-about .about-plate img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-plate .plate__caption {
  display: block;
  padding: 10px 14px 12px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--mist, #9BB3A6);
  border-top: 1px solid var(--about-line-soft);
}

.page-about .note-board {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 18px 20px;
  border-radius: var(--radius-md, 14px);
  border-left: 3px solid var(--amber, #FFD166);
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.14), rgba(255, 209, 102, 0.03));
}

.page-about .note-board--quiet {
  border-left-color: var(--cyan, #5FF2D2);
  background: linear-gradient(135deg, rgba(95, 242, 210, 0.1), rgba(95, 242, 210, 0.02));
}

.page-about .note-board__label {
  margin: 0;
  font-family: var(--font-mono, monospace);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--amber, #FFD166);
}

.page-about .note-board--quiet .note-board__label {
  color: var(--cyan, #5FF2D2);
}

.page-about .note-board p:last-child {
  margin: 0;
  font-family: var(--font-serif, serif);
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--paper, #F4F1E8);
}

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

.page-about .roster__item {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px 18px;
  border-radius: var(--radius-md, 14px);
  border: 1px solid var(--about-line-soft);
  background: var(--about-card);
  transition: background var(--dur, 160ms) var(--ease, ease), border-color var(--dur, 160ms) var(--ease, ease);
}

.page-about .roster__item:hover,
.page-about .roster__item:focus-within,
.page-about .roster__item:focus {
  border-color: rgba(255, 106, 42, 0.5);
  background: rgba(18, 53, 39, 0.68);
  outline: none;
}

.page-about .roster__num {
  font-family: var(--font-mono, monospace);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--signal, #FF6A2A);
}

.page-about .roster__num small {
  margin-left: 8px;
  font-size: 0.28em;
  letter-spacing: 0.12em;
  color: var(--mist, #9BB3A6);
  vertical-align: middle;
}

.page-about .roster__role {
  margin: 0;
  font-family: var(--font-display, sans-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .roster__duty {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist, #9BB3A6);
}

.page-about .about-groups {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--radius-md, 14px);
  border: 1px dashed var(--about-line);
  background: var(--about-deep);
}

.page-about .about-groups__label {
  margin: 0;
  font-family: var(--font-mono, monospace);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--index, #3A4A42);
  text-transform: uppercase;
}

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

.page-about .groups li {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(95, 242, 210, 0.28);
  font-size: 13px;
  color: var(--paper, #F4F1E8);
  background: rgba(95, 242, 210, 0.06);
}

.page-about .about-groups__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist, #9BB3A6);
}

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

.page-about .flow__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px dashed var(--about-line-soft);
}

.page-about .flow__step:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-about .flow__idx {
  padding-top: 3px;
  font-family: var(--font-mono, monospace);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan, #5FF2D2);
  white-space: nowrap;
}

.page-about .flow__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display, sans-serif);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-about .flow__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist, #9BB3A6);
}

.page-about .staged {
  display: grid;
  gap: 10px;
}

.page-about .stage {
  padding: 14px 16px;
  border-radius: var(--radius-md, 14px);
  border: 1px solid var(--about-line-soft);
  background: rgba(13, 26, 20, 0.72);
  transition: border-color var(--dur, 160ms) var(--ease, ease);
}

.page-about .stage[open] {
  border-color: rgba(95, 242, 210, 0.42);
  background: rgba(18, 53, 39, 0.6);
}

.page-about .stage summary {
  display: grid;
  gap: 6px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .stage summary:focus-visible {
  outline: 2px solid var(--signal, #FF6A2A);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-about .stage__ver {
  font-family: var(--font-mono, monospace);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan, #5FF2D2);
}

.page-about .stage__title {
  font-family: var(--font-display, sans-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper, #F4F1E8);
}

.page-about .stage p {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--about-line-soft);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist, #9BB3A6);
}

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

.page-about .stat {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: var(--radius-md, 14px);
  border: 1px solid var(--about-line-soft);
  background: linear-gradient(160deg, rgba(18, 53, 39, 0.62), rgba(7, 17, 13, 0.5));
}

.page-about .stat__num {
  font-family: var(--font-display, sans-serif);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper, #F4F1E8);
}

.page-about .stat__num em {
  margin-left: 6px;
  font-family: var(--font-mono, monospace);
  font-style: normal;
  font-size: 0.4em;
  letter-spacing: 0.08em;
  color: var(--signal, #FF6A2A);
}

.page-about .stat__label {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist, #9BB3A6);
}

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

.page-about .links a {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--radius-md, 14px);
  border: 1px solid var(--about-line-soft);
  background: rgba(13, 26, 20, 0.66);
  color: var(--paper, #F4F1E8);
  text-decoration: none;
  transition: transform var(--dur, 160ms) var(--ease, ease), border-color var(--dur, 160ms) var(--ease, ease), background var(--dur, 160ms) var(--ease, ease);
}

.page-about .links a:hover,
.page-about .links a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--signal, #FF6A2A);
  background: rgba(255, 106, 42, 0.09);
  outline: none;
}

.page-about .links i {
  font-family: var(--font-mono, monospace);
  font-style: normal;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--signal, #FF6A2A);
}

.page-about .links b {
  font-family: var(--font-display, sans-serif);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-about .links span {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist, #9BB3A6);
}

.page-about .contact-note {
  display: grid;
  gap: 12px;
  padding: 18px 20px;
  border-radius: var(--radius-md, 14px);
  border: 1px solid rgba(95, 242, 210, 0.28);
  background: rgba(95, 242, 210, 0.06);
}

.page-about .contact-note__title {
  margin: 0;
  font-family: var(--font-mono, monospace);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan, #5FF2D2);
}

.page-about .contact-note__list {
  display: grid;
  gap: 8px;
  margin: 0;
}

.page-about .contact-note__list div {
  display: grid;
  grid-template-columns: 4.6em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-about .contact-note__list dt {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--index, #3A4A42);
}

.page-about .contact-note__list dd {
  margin: 0;
  font-family: var(--font-mono, monospace);
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper, #F4F1E8);
  word-break: break-word;
}

.page-about .contact-note__help {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--about-line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist, #9BB3A6);
}

@media (min-width: 640px) {
  .page-about .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-about .brand-grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
  }

  .page-about .version-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }

  .page-about .staged {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

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

@media (min-width: 980px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 54px);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
    gap: 14px;
    padding-top: 6px;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-index__list a {
    padding: 9px 12px 9px 14px;
    border: 0;
    border-left: 1px solid var(--about-line-soft);
    border-radius: 0 var(--radius-sm, 8px) var(--radius-sm, 8px) 0;
    font-size: 13px;
  }

  .page-about .about-index__list a:hover,
  .page-about .about-index__list a:focus-visible {
    border-left-color: var(--signal, #FF6A2A);
    background: rgba(255, 106, 42, 0.08);
  }

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

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

  .page-about .roster__duty {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 220ms var(--ease, ease), opacity 180ms var(--ease, ease);
  }

  .page-about .roster__item:hover .roster__duty,
  .page-about .roster__item:focus .roster__duty,
  .page-about .roster__item:focus-within .roster__duty {
    max-height: 200px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__list a,
  .page-about .roster__item,
  .page-about .roster__duty,
  .page-about .stage,
  .page-about .links a {
    transition: none;
  }

  .page-about .links a:hover,
  .page-about .links a:focus-visible {
    transform: none;
  }
}
<<<END>>>