.page-about {
  --about-rail: 218px;
  --about-text: 720px;
  background: var(--ink);
  color: var(--fog);
  padding: clamp(24px, 4vw, 48px) 0 clamp(56px, 8vw, 96px);
  overflow-x: clip;
}

.page-about .about-crumb {
  margin-bottom: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .about-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-crumb a:hover,
.page-about .about-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .about-crumb .sep {
  margin: 0 8px;
  color: var(--line);
}

.page-about .about-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

.page-about .about-rail {
  border-top: 2px solid var(--coral);
  border-bottom: 1px solid var(--line);
  padding: 14px 0 18px;
}

.page-about .about-rail-label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-about .about-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.page-about .about-rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: 14px;
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-rail-list a .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  transition: color 180ms var(--ease);
}

.page-about .about-rail-list a:hover,
.page-about .about-rail-list a:focus-visible {
  color: var(--coral-soft);
  border-bottom-color: var(--coral);
}

.page-about .about-rail-list a:hover .mono,
.page-about .about-rail-list a:focus-visible .mono {
  color: var(--coral);
}

.page-about .about-rail-note {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .about-body {
  min-width: 0;
  max-width: var(--about-text);
}

/* ---------- hero ---------- */

.page-about .about-hero {
  padding-bottom: clamp(28px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-about .about-hero h1 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fog);
}

.page-about .about-lead {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 640px;
}

.page-about .about-hero-figure {
  margin-top: clamp(24px, 4vw, 38px);
}

.page-about .about-frame {
  border: 1px solid var(--line);
  background: var(--slate);
  overflow: hidden;
}

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

.page-about .about-stats {
  margin-top: clamp(24px, 4vw, 36px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-stat {
  background: var(--ink);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.4vw, 32px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .about-stat-num .unit {
  font-size: 0.5em;
  margin-left: 3px;
  color: var(--mist);
}

.page-about .about-stat-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- sections ---------- */

.page-about .about-section {
  padding-top: clamp(38px, 6vw, 66px);
}

.page-about .about-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.page-about .about-sec-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--coral);
  flex: none;
  padding-top: 4px;
}

.page-about .about-sec-head h2 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-about .about-prose p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

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

.page-about .about-prose strong {
  color: var(--fog);
  font-weight: 700;
}

.page-about .about-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-points li {
  padding: 14px 0 14px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
  position: relative;
}

.page-about .about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 2px;
  background: var(--coral);
}

/* ---------- timeline ---------- */

.page-about .about-timeline {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 18px;
  width: 0;
  border-left: 2px dashed var(--line);
}

.page-about .about-node {
  position: relative;
  padding: 0 0 26px 34px;
}

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

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 4px;
  width: 14px;
  height: 14px;
  background: var(--ink);
  border: 2px solid var(--coral);
  transform: rotate(45deg);
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .about-node:hover::before {
  background: var(--coral);
  border-color: var(--coral-soft);
}

.page-about .about-node-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-about .about-node h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--fog);
}

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

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

.page-about .about-figure .about-frame {
  background: var(--deep-teal);
}

.page-about .about-caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--line);
}

/* ---------- tags & panels ---------- */

.page-about .about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-about .about-tag {
  display: inline-block;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--fog);
  background: var(--slate);
  border: 1px solid var(--line);
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%, 0 8px);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-about .about-tag:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-about .about-panel {
  margin-top: 26px;
  padding: 20px 22px;
  background: var(--slate);
  border-left: 3px solid var(--coral);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-about .about-panel--accent {
  background: var(--deep-teal);
  border-left-color: var(--cyan);
}

.page-about .about-panel-title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
  color: var(--fog);
}

.page-about .about-panel p:not(.about-panel-title) {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-cta-btn {
  margin-top: 16px;
}

/* ---------- team cards ---------- */

.page-about .about-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-about .about-card {
  background: var(--slate);
  border: 1px solid var(--line);
  padding: 20px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

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

.page-about .about-card-idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 800;
  color: var(--fog);
}

.page-about .about-card p:not(.about-card-idx) {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- reasons ---------- */

.page-about .about-reasons {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-reasons li {
  display: flex;
  gap: 16px;
  background: var(--ink);
  padding: 18px 16px;
}

.page-about .about-reason-mark {
  flex: none;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  background: var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.page-about .about-reasons h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
  color: var(--fog);
}

.page-about .about-reasons p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- link list ---------- */

.page-about .about-links {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-about .about-link {
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: baseline;
  padding: 15px 16px;
  text-decoration: none;
  background: var(--slate);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  transition: border-color 200ms var(--ease), background 200ms var(--ease), transform 200ms var(--ease);
}

.page-about .about-link .mono {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  transition: color 200ms var(--ease);
}

.page-about .about-link strong {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
  color: var(--fog);
}

.page-about .about-link em {
  font-style: normal;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  border-left-color: var(--coral);
  background: #17344a;
  transform: translateY(-2px);
}

.page-about .about-link:hover .mono,
.page-about .about-link:focus-visible .mono {
  color: var(--cyan);
}

.page-about .about-link:focus-visible,
.page-about .about-rail-list a:focus-visible,
.page-about .about-cta-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- breakpoints ---------- */

@media (min-width: 560px) {
  .page-about .about-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    column-gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 84px;
    border-top: 2px solid var(--coral);
    border-bottom: 1px solid var(--line);
    padding: 16px 0 18px;
  }

  .page-about .about-rail-list {
    flex-direction: column;
    gap: 2px;
  }

  .page-about .about-rail-list a {
    display: flex;
    padding: 6px 0 6px 10px;
    border-bottom: none;
    border-left: 2px solid transparent;
    font-size: 13.5px;
  }

  .page-about .about-rail-list a:hover,
  .page-about .about-rail-list a:focus-visible {
    border-left-color: var(--coral);
    border-bottom-color: transparent;
  }

  .page-about .about-body {
    max-width: var(--about-text);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-card,
  .page-about .about-link,
  .page-about .about-node::before {
    transition: none;
  }
  .page-about .about-card:hover,
  .page-about .about-link:hover {
    transform: none;
  }
}

</final>