.page-about {
  --about-cut: 20px;
  --about-gap: clamp(20px, 3vw, 44px);
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
}

.page-about .about-shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-about .breadcrumb {
  padding-block: clamp(14px, 2.4vw, 24px) 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

.page-about .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  color: var(--muted);
}

.page-about .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-about .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

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

/* ---------- hero ---------- */
.page-about .hero {
  padding-block: clamp(18px, 3vw, 30px) clamp(10px, 2vw, 18px);
}

.page-about .hero-frame {
  position: relative;
  display: grid;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(18, 51, 42, 0.95) 0%, rgba(6, 18, 15, 0) 62%),
    var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-cut)), calc(100% - var(--about-cut)) 100%, 0 100%);
}

.page-about .hero-frame::before,
.page-about .hero-frame::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  pointer-events: none;
  z-index: 2;
}

.page-about .hero-frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
}

.page-about .hero-frame::after {
  top: -1px;
  right: -1px;
  border-top: 2px solid var(--amber);
  border-right: 2px solid var(--amber);
}

.page-about .hero-copy {
  padding: clamp(24px, 4vw, 48px) clamp(20px, 4vw, 46px) clamp(26px, 4.4vw, 52px);
}

.page-about .hero-copy .eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-about .hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .hero-lede {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--paper);
}

.page-about .hero-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .hero-shot {
  margin: 0;
  position: relative;
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.page-about .hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-about .hero-shot figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--paper);
  background: linear-gradient(90deg, rgba(6, 18, 15, 0.9), rgba(6, 18, 15, 0));
}

.page-about .hero-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--line);
}

.page-about .hero-stats li {
  background: var(--ink-2);
  padding: 14px 16px;
  min-width: 0;
}

.page-about .stat-num {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 2.6vw, 26px);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- .page-about layout ---------- */
.page-about .about-body {
  display: block;
  padding-top: clamp(18px, 3vw, 34px);
}

.page-about .track {
  display: none;
}

.page-about .flow {
  min-width: 0;
}

/* ---------- chapter ---------- */
.page-about .chapter {
  position: relative;
  padding-block: clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-about .flow > .chapter:first-child {
  border-top: 0;
  padding-top: clamp(16px, 3vw, 30px);
}

.page-about .chapter-head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 6px 12px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-about .chapter-num {
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 0.7em;
}

.page-about .chapter-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .anno {
  grid-column: 2;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--muted);
}

.page-about .chapter > p {
  max-width: 62ch;
  margin: 0 0 16px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--paper);
}

/* ---------- day timeline ---------- */
.page-about .dayline {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-about .dayline li {
  position: relative;
  padding: 16px 14px 16px 24px;
  border-left: 1px solid var(--line);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .dayline li::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--cyan);
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-about .dayline li:hover {
  background: linear-gradient(90deg, rgba(18, 51, 42, 0.9), rgba(18, 51, 42, 0));
  transform: translateX(3px);
}

.page-about .dayline li:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(33, 243, 200, 0.6);
}

.page-about .day-time {
  display: inline-block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .day-title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 700;
  color: var(--white);
}

.page-about .day-desc {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .flow-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-about .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .flow-figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- team ---------- */
.page-about .team-grid {
  display: grid;
  gap: 1px;
  margin-top: 24px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .team-card {
  background: var(--ink-2);
  padding: 20px 18px 22px;
  border-top: 2px solid transparent;
  min-width: 0;
}

.page-about .team-card:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-about .team-card:nth-child(2) {
  border-top-color: var(--orange);
}

.page-about .team-card:nth-child(3) {
  border-top-color: var(--amber);
}

.page-about .team-num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-about .team-card h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-about .team-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- lanes ---------- */
.page-about .lanes {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: 24px;
}

.page-about .lane-list {
  min-width: 0;
}

.page-about .lane {
  position: relative;
  display: block;
  padding: 18px 34px 18px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease);
}

.page-about .lane:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .lane:hover,
.page-about .lane:focus-visible {
  transform: translateX(4px);
}

.page-about .lane-meta {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-about .lane h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--white);
  transition: color 0.25s var(--ease);
}

.page-about .lane:hover h3,
.page-about .lane:focus-visible h3 {
  color: var(--cyan);
}

.page-about .lane p {
  margin: 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .lane-arrow {
  position: absolute;
  right: 6px;
  top: 22px;
  font-family: var(--font-num);
  color: var(--orange);
  transition: transform 0.25s var(--ease);
}

.page-about .lane:hover .lane-arrow,
.page-about .lane:focus-visible .lane-arrow {
  transform: translateX(4px);
}

.page-about .lane-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-about .lane-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-about .lane-figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- ring / history ---------- */
.page-about .ring-svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 10px 0 4px;
}

.page-about .ring-path {
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
  stroke-dasharray: 5 7;
}

.page-about .ring-dot {
  fill: var(--ink);
  stroke-width: 2;
}

.page-about .ring-dot--a {
  stroke: var(--line);
}

.page-about .ring-dot--b {
  stroke: var(--muted);
}

.page-about .ring-dot--c {
  stroke: var(--amber);
}

.page-about .ring-dot--d {
  stroke: var(--cyan);
  fill: rgba(33, 243, 200, 0.18);
}

.page-about .ring-labels {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .ring-labels li {
  background: var(--ink-2);
  padding: 16px 14px;
  min-width: 0;
}

.page-about .ring-year {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 6px;
}

.page-about .ring-labels strong {
  display: block;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.page-about .ring-labels p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- service ---------- */
.page-about .service-grid {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .service-card {
  background: var(--ink-2);
  padding: 18px 16px 20px;
  min-width: 0;
}

.page-about .service-label {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-about .service-value {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-about .service-value.mono {
  font-family: var(--font-num);
  letter-spacing: 0.03em;
}

.page-about .service-sub {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .service-link {
  margin: 20px 0 0;
}

.page-about .service-link a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 14.5px;
  border-bottom: 1px solid rgba(33, 243, 200, 0.4);
  padding-bottom: 2px;
}

.page-about .service-link a:hover,
.page-about .service-link a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- values (light block) ---------- */
.page-about .values {
  margin-top: clamp(30px, 5vw, 58px);
  padding: clamp(22px, 4vw, 44px);
  background: var(--paper);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-about .values .chapter-head h2 {
  color: var(--ink);
}

.page-about .values .chapter-num {
  color: var(--orange);
}

.page-about .values .anno {
  color: var(--ink-2);
}

.page-about .value-list {
  margin-top: 8px;
}

.page-about .values details {
  border-top: 1px solid rgba(6, 18, 15, 0.18);
  padding: 12px 0;
}

.page-about .values details:last-child {
  border-bottom: 1px solid rgba(6, 18, 15, 0.18);
}

.page-about .values summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
}

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

.page-about .values summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 16px;
  color: var(--ink-2);
}

.page-about .values details[open] summary::after {
  content: "−";
  color: var(--orange);
}

.page-about .vnum {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .value-body {
  padding: 10px 0 2px 32px;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- next ---------- */
.page-about .next {
  margin-top: clamp(28px, 4.5vw, 54px);
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 6vw, 80px);
  border-top: 1px solid var(--line);
}

.page-about .next-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 900;
  color: var(--white);
}

.page-about .next p {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- responsive ---------- */
@media (min-width: 700px) {
  .page-about .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-about .hero-frame {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
  }

  .page-about .hero-shot {
    border-top: 0;
    border-left: 1px solid var(--line);
    display: flex;
    flex-direction: column;
  }

  .page-about .hero-shot img {
    flex: 1 1 auto;
    height: 100%;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-about .chapter-head {
    padding-right: 34px;
  }

  .page-about .anno {
    position: absolute;
    right: 0;
    top: 2px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.36em;
    font-size: 11px;
  }

  .page-about .lanes {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 290px);
    align-items: start;
  }

  .page-about .lane-figure {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-about .flow-figure {
    max-width: 78%;
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr);
    gap: var(--about-gap);
    align-items: start;
  }

  .page-about .track {
    display: block;
    position: sticky;
    top: calc(var(--bar-h) + 26px);
    align-self: start;
    padding-right: 10px;
  }

  .page-about .track-title {
    margin: 0 0 14px 18px;
    font-size: 10.5px;
    letter-spacing: 0.3em;
    color: var(--muted);
  }

  .page-about .track-list {
    list-style: none;
    position: relative;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .page-about .track-list::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--line);
  }

  .page-about .track-list a {
    position: relative;
    display: flex;
    align-items: baseline;
    gap: 7px;
    padding-left: 18px;
    text-decoration: none;
    color: var(--muted);
    font-size: 12px;
    transition: color 0.25s var(--ease);
  }

  .page-about .track-list a::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 50%;
    width: 7px;
    height: 7px;
    margin-top: -3.5px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--ink);
    transition: background 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  }

  .page-about .track-list a:hover,
  .page-about .track-list a:focus-visible {
    color: var(--white);
  }

  .page-about .track-list a:hover::before,
  .page-about .track-list a:focus-visible::before {
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 10px rgba(33, 243, 200, 0.65);
  }

  .page-about .track-num {
    font-family: var(--font-num);
    font-size: 10.5px;
    color: var(--cyan);
    opacity: 0.75;
  }

  .page-about .track-label {
    letter-spacing: 0.14em;
  }

  .page-about .flow-figure {
    max-width: 64%;
  }
}

@media (min-width: 1200px) {
  .page-about .hero-copy {
    padding-right: clamp(40px, 5vw, 70px);
  }

  .page-about .flow-figure {
    max-width: 58%;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</｜｜DSML｜｜ invoke>
</function_call>