.page-about {
  --about-hair: rgba(217, 201, 178, 0.85);
  color: var(--charcoal);
  font-family: var(--font-body);
  line-height: 1.75;
  padding-bottom: clamp(48px, 8vw, 100px);
}

.page-about .about-hero {
  padding: clamp(18px, 4vw, 44px) 0 clamp(24px, 4vw, 46px);
  border-bottom: 1px solid var(--about-hair);
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.16;
  font-size: clamp(1.95rem, 5.2vw, 4rem);
  margin: 12px 0 16px;
  max-width: 18ch;
}

.page-about .about-hero .lead {
  max-width: 44em;
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.9;
  color: #2c2a25;
}

.page-about .about-meta {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--stone);
  border: 1px solid var(--stone);
}

.page-about .about-meta li {
  background: var(--ink);
  padding: 14px 14px 15px;
  min-width: 0;
}

.page-about .about-meta li:nth-child(even) {
  background: var(--ink-2);
}

.page-about .about-meta-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  letter-spacing: 0.04em;
  color: var(--paper);
  line-height: 1.2;
}

.page-about .about-meta-label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(245, 235, 221, 0.72);
}

.page-about .about-toc {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-toc a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0 9px 10px;
  text-decoration: none;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.5;
  border-bottom: 1px dashed var(--about-hair);
  border-left: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-about .about-toc a:hover,
.page-about .about-toc a:focus-visible {
  color: var(--cinnabar-deep);
  border-left-color: var(--cinnabar);
  background: rgba(193, 71, 51, 0.06);
}

.page-about .about-toc a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-about .about-toc-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cinnabar-deep);
}

.page-about .about-rail-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: #4a463f;
}

.page-about .about-rail-cta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--about-hair);
}

.page-about .rail-cta-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 13.5px;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--copper);
  padding-bottom: 2px;
}

.page-about .rail-cta-link:hover,
.page-about .rail-cta-link:focus-visible {
  color: var(--cinnabar-deep);
  border-bottom-color: var(--cinnabar);
}

.page-about .rail-cta-arrow {
  font-family: var(--font-mono);
  color: var(--cinnabar);
}

.page-about .plate {
  margin-bottom: clamp(30px, 6vw, 68px);
}

.page-about .plate-body > p {
  margin: 0 0 1em;
  max-width: 42em;
  line-height: 1.85;
}

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

.page-about .about-banner {
  margin: 0 0 clamp(18px, 3vw, 30px);
}

.page-about .about-banner img {
  border-radius: 2px;
}

.page-about .media-caption {
  font-size: 12.5px;
  line-height: 1.6;
}

.page-about .method-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .method-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--about-hair);
}

.page-about .method-item:last-child {
  border-bottom: 1px solid var(--about-hair);
}

.page-about .method-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
  padding-top: 3px;
}

.page-about .method-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.02rem, 1.8vw, 1.28rem);
  color: var(--ink);
  margin: 0 0 6px;
  line-height: 1.4;
}

.page-about .method-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  max-width: 40em;
}

.page-about .timeline {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  position: relative;
}

.page-about .phase {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0 22px;
  border-top: 1px solid var(--about-hair);
}

.page-about .phase-year {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cinnabar-deep);
}

.page-about .phase-body h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.08rem, 2vw, 1.42rem);
  color: var(--ink);
  margin: 0 0 8px;
  line-height: 1.4;
}

.page-about .phase-body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  max-width: 42em;
}

.page-about .phase-points {
  margin: 0;
  padding-left: 1.1em;
  font-size: 14px;
  line-height: 1.85;
  color: #3c3831;
}

.page-about .phase-points li {
  margin-bottom: 4px;
}

.page-about .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  margin-top: 18px;
}

.page-about .split-media {
  min-width: 0;
}

.page-about .split-text p {
  margin: 0 0 1em;
  font-size: 15px;
  line-height: 1.85;
  max-width: 40em;
}

.page-about .crew {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .crew-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 10px 0 10px 12px;
  border-left: 2px solid var(--copper);
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  background: linear-gradient(90deg, rgba(169, 130, 71, 0.08), rgba(169, 130, 71, 0));
}

.page-about .crew-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cinnabar-deep);
}

.page-about .scope-figures {
  list-style: none;
  margin: 20px 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-about .figure-cell {
  padding: 14px 14px 16px;
  background: var(--paper-2);
  border-top: 2px solid var(--stone);
  min-width: 0;
}

.page-about .figure-cell--indigo {
  background: var(--indigo);
  border-top-color: var(--copper);
}

.page-about .figure-cell--indigo .figure-num,
.page-about .figure-cell--indigo .figure-label {
  color: var(--paper);
}

.page-about .figure-cell--copper {
  border-top-color: var(--copper);
}

.page-about .figure-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-about .figure-label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: #4a463f;
}

.page-about .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .rhythm-item {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--about-hair);
}

.page-about .rhythm-item:first-child {
  border-top: 1px dashed var(--about-hair);
}

.page-about .rhythm-when {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--cinnabar-deep);
  line-height: 1.6;
}

.page-about .rhythm-what {
  font-size: 14.5px;
  line-height: 1.75;
}

.page-about .scope-dots {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  margin-bottom: 14px;
}

.page-about .scope-dots .dot-grid circle {
  fill: var(--ink-2);
  opacity: 0.45;
}

.page-about .scope-dots .dot-path {
  stroke: var(--copper);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.page-about .scope-dots .dot-hot {
  fill: var(--cinnabar);
}

.page-about .record {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.5vw, 26px);
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--copper);
  background: linear-gradient(180deg, rgba(169, 130, 71, 0.12), rgba(169, 130, 71, 0.03));
}

.page-about .record .mono-label {
  margin: 0 0 6px;
  color: var(--cinnabar-deep);
}

.page-about .record-honor {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.02rem, 1.8vw, 1.25rem);
  line-height: 1.5;
  color: var(--ink);
}

.page-about .icp-value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.7vw, 1.15rem);
  letter-spacing: 0.06em;
  color: var(--ink);
  word-break: break-word;
}

.page-about .record-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: #45413a;
}

.page-about .about-next-lead {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.8;
  max-width: 40em;
}

.page-about .next-links {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-about .next-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.6;
  border: 1px solid var(--stone);
  background: var(--paper-2);
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-about .next-link:hover,
.page-about .next-link:focus-visible {
  border-color: var(--cinnabar);
  color: var(--cinnabar-deep);
  background: rgba(193, 71, 51, 0.07);
}

.page-about .next-link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-about .next-link .arrow {
  font-family: var(--font-mono);
  color: var(--cinnabar);
  flex: none;
}

.page-about .plate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

@media (min-width: 600px) {
  .page-about .about-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 820px) {
  .page-about .about-meta {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .timeline::before {
    content: "";
    position: absolute;
    left: 95px;
    top: 14px;
    bottom: 14px;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--copper) 0%, rgba(169, 130, 71, 0.28) 100%);
  }

  .page-about .phase {
    grid-template-columns: 96px minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 40px);
    padding: 8px 0 30px;
    border-top: 0;
  }

  .page-about .phase-year {
    position: relative;
    text-align: right;
    padding: 3px 18px 0 0;
  }

  .page-about .phase-year::after {
    content: "";
    position: absolute;
    right: -6px;
    top: 9px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--cinnabar);
    box-sizing: border-box;
  }

  .page-about .phase:nth-child(2) .phase-body {
    margin-left: clamp(0px, 2.4vw, 32px);
  }

  .page-about .split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-about .split--flip {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-about .split--flip .split-media {
    order: 2;
  }
}

@media (min-width: 1020px) {
  .page-about .about-hero {
    padding-top: clamp(26px, 4vw, 56px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-toc a,
  .page-about .next-link {
    transition: none;
  }
}
<<<PAGE_CSS_DONE>>>