.page-about {
  --about-grid-line: rgba(42, 27, 22, 0.1);
  --about-paper-soft: rgba(42, 27, 22, 0.66);
  --about-hair: rgba(45, 64, 87, 0.85);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-about .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-about .about-hero {
  padding: clamp(22px, 4vw, 44px) 0 clamp(36px, 6vw, 72px);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-about .about-hero-lead {
  position: relative;
  padding-right: 8px;
}

.page-about .about-hero-lead h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
  max-width: 13em;
}

.page-about .about-hero-copy {
  margin: 20px 0 0;
  max-width: 34em;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-rotate-note {
  display: none;
}

.page-about .about-paper {
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 3vw, 26px);
  box-shadow: var(--shadow-deep);
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 34px 34px;
  background-position: -1px -1px;
}

.page-about .about-paper-lead {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-paper-soft);
}

.page-about .about-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-chip-list .tag {
  background: rgba(196, 71, 47, 0.1);
  color: var(--wine);
  border: 1px solid rgba(196, 71, 47, 0.28);
}

.page-about .about-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink-700);
  border: 1px solid var(--about-hair);
}

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

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 44px);
  align-items: start;
}

.page-about .about-index {
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.page-about .about-index-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-about .about-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  padding: 3px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-index-list a .mono {
  font-size: 11px;
  color: var(--violet);
}

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

.page-about .about-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(46px, 8vw, 88px);
  min-width: 0;
}

.page-about .about-flow .section {
  padding: 0;
  scroll-margin-top: 104px;
}

.page-about .about-sec-head {
  max-width: 40em;
}

.page-about .about-num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--wine);
  background: rgba(196, 71, 47, 0.12);
  border: 1px solid rgba(196, 71, 47, 0.3);
  border-radius: var(--radius-pill);
  padding: 3px 11px;
}

.page-about .about-sec-head h2 {
  margin: 14px 0 0;
  font-size: clamp(25px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-sec-head .lead {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-about .about-prose {
  margin-top: 22px;
  max-width: 42em;
}

.page-about .about-prose p {
  margin: 0 0 14px;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.9;
}

.page-about .about-stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-stat-row li {
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-stat-row li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-stat-num {
  display: block;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-about .about-stat-label {
  display: block;
  margin-top: 5px;
  font-size: 13.5px;
  color: var(--mist);
  line-height: 1.6;
}

.page-about .about-idea-stage {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-about .about-orbit {
  position: relative;
  width: min(100%, 380px);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 44%, rgba(38, 224, 214, 0.16), transparent 62%);
}

.page-about .about-orbit-ring {
  position: absolute;
  inset: 0;
  border: 1px dashed var(--line);
  border-radius: 50%;
}

.page-about .about-orbit-ring--mid {
  inset: 15%;
  border-style: solid;
  border-color: var(--about-hair);
}

.page-about .about-orbit-ring--inner {
  inset: 31%;
  border-color: rgba(38, 224, 214, 0.42);
}

.page-about .about-orbit-core {
  position: absolute;
  inset: 40%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid rgba(38, 224, 214, 0.55);
  box-shadow: 0 0 0 6px rgba(7, 17, 31, 0.9), 0 0 34px -8px rgba(38, 224, 214, 0.55);
}

.page-about .about-orbit-core strong {
  font-size: 12.5px;
  color: var(--paper);
  letter-spacing: 0.04em;
}

.page-about .about-orbit-core em {
  font-style: normal;
  font-size: 10.5px;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-about .about-orbit-node {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  white-space: nowrap;
}

.page-about .about-orbit-node--a {
  top: 4%;
  left: 50%;
  transform: translateX(-50%);
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.45);
}

.page-about .about-orbit-node--b {
  bottom: 13%;
  left: -4%;
}

.page-about .about-orbit-node--c {
  bottom: 13%;
  right: -4%;
}

.page-about .about-idea-text p {
  margin: 0 0 14px;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.9;
}

.page-about .about-inline-link {
  display: inline-block;
  margin-top: 4px;
  color: var(--cyan);
  font-size: 14.5px;
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 224, 214, 0.4);
  padding-bottom: 2px;
}

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

.page-about .about-figure--ring {
  margin-top: 26px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 50%;
  border-color: rgba(38, 224, 214, 0.24);
}

.page-about .about-milestones {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-about .about-milestone {
  position: relative;
  padding: 0 0 26px 22px;
}

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

.page-about .about-milestone::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(38, 224, 214, 0.16);
}

.page-about .about-milestone--orange::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.16);
}

.page-about .about-milestone-era {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-about .about-milestone h3 {
  margin: 7px 0 8px;
  font-size: 19px;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-about .about-milestone p:last-child {
  margin: 0;
  color: var(--mist);
  font-size: 14.8px;
  line-height: 1.85;
  max-width: 40em;
}

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

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.page-about .about-team-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-team-key {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .about-team-item p:last-child {
  margin: 0;
  color: var(--mist);
  font-size: 14.8px;
  line-height: 1.85;
  max-width: 40em;
}

.page-about .about-rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
  margin-top: 26px;
}

.page-about .about-rhythm-col h3 {
  margin: 0 0 14px;
  font-size: 17px;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-about .about-rhythm-col--paper {
  background: var(--paper);
  color: var(--paper-ink);
  border-radius: var(--radius-md);
  padding: clamp(18px, 3vw, 26px);
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
}

.page-about .about-rhythm-col--paper h3 {
  color: var(--paper-ink);
}

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

.page-about .about-cat-list li {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-about .about-cat-list li:last-child {
  border-bottom: 0;
}

.page-about .about-cat-list .mono {
  flex: none;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--orange);
  border: 1px solid rgba(255, 138, 61, 0.45);
  border-radius: 6px;
}

.page-about .about-rhythm-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--violet);
}

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

.page-about .about-beat-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--about-grid-line);
}

.page-about .about-beat-list li:first-child {
  padding-top: 0;
}

.page-about .about-beat-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-beat-key {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--wine);
  margin-bottom: 4px;
}

.page-about .about-beat-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-paper-soft);
}

.page-about .about-partner-line {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 46em;
}

.page-about .about-partner-line a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 224, 214, 0.4);
}

.page-about .about-cta {
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, var(--ink-800), var(--ink-700) 62%, rgba(38, 224, 214, 0.14));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-about .about-cta h2 {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.24;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-about .about-cta p {
  margin: 12px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

@media (min-width: 620px) {
  .page-about .about-stat-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-stat-row li {
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--line-soft);
    padding-left: 16px;
  }

  .page-about .about-stat-row li:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-about .about-team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-about .about-hero-lead {
    padding-right: 40px;
  }

  .page-about .about-rotate-note {
    display: block;
    position: absolute;
    right: -6px;
    top: 6px;
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.32em;
    color: var(--violet);
    opacity: 0.85;
  }

  .page-about .about-idea-stage {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  }

  .page-about .about-rhythm-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-about .about-index {
    position: sticky;
    top: 104px;
  }

  .page-about .about-index-list {
    flex-direction: column;
    gap: 4px;
  }

  .page-about .about-index-list a {
    font-size: 13.5px;
  }

  .page-about .about-figure--ring {
    margin-left: 0;
  }

  .page-about .about-team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index-list a,
  .page-about .about-inline-link {
    transition: none;
  }
}
<<<END>>>