.page-about {
  --about-note-w: 132px;
  --about-accent: var(--gold);
  --about-edge: rgba(217, 207, 192, 0.34);
  position: relative;
  background: var(--ink);
  overflow-x: clip;
}

.page-about .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ---------- breadcrumb ---------- */
.page-about > .breadcrumb {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 20px 20px 0;
}

.page-about > .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-about > .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-2);
}

.page-about > .breadcrumb a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease);
}

.page-about > .breadcrumb a:hover,
.page-about > .breadcrumb a:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- shared heading bits ---------- */
.page-about .about-head {
  margin-bottom: 32px;
}

.page-about .about-head__title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .about-head--dark .about-head__title {
  color: var(--white);
}

.page-about .about-head__note {
  max-width: 60ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: 32px 0 64px;
  background:
    linear-gradient(150deg, var(--ink) 0%, var(--ink) 46%, var(--ink-2) 46%, var(--ink-2) 100%);
  overflow: hidden;
}

.page-about .about-hero__edge {
  position: absolute;
  top: -10%;
  right: -6%;
  width: 46vw;
  height: 130%;
  background: linear-gradient(120deg, rgba(245, 165, 36, 0) 0%, rgba(245, 165, 36, 0.20) 52%, rgba(71, 214, 196, 0.10) 100%);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  gap: 40px;
}

.page-about .about-hero__kicker {
  margin: 0 0 18px;
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(36px, 10vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .about-hero__sub {
  max-width: 46ch;
  margin: 22px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: #D8E1EE;
}

.page-about .about-hero__aside {
  display: grid;
  gap: 24px;
}

.page-about .about-hero__stack {
  display: grid;
  gap: 14px;
}

.page-about .about-hero__card {
  padding: 22px 22px 24px;
  background: var(--paper);
  border: 1px solid var(--sand);
  box-shadow: 0 10px 0 -6px rgba(11, 22, 38, 0.35);
}

.page-about .about-hero__card .card__index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--coral);
}

.page-about .about-hero__card .card__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .about-hero__cardtext {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: #33475E;
}

.page-about .about-hero__stack .about-hero__card:nth-child(2) {
  margin-left: 12px;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  background: rgba(217, 207, 192, 0.28);
  border: 1px solid rgba(217, 207, 192, 0.28);
}

.page-about .about-hero__fact {
  padding: 16px 14px;
  background: var(--ink-2);
}

.page-about .about-hero__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-about .about-hero__fact dd {
  margin: 8px 0 0;
}

.page-about .about-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-about .about-hero__annot {
  position: absolute;
  right: 8px;
  bottom: 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: rgba(143, 166, 196, 0.6);
  writing-mode: vertical-rl;
  pointer-events: none;
}

/* ---------- section 01: what ---------- */
.page-about .about-what {
  background: var(--paper);
}

.page-about .about-what__grid {
  display: grid;
  gap: 28px;
}

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

.page-about .about-rail__tick {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--coral);
}

.page-about .about-rail__word {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: #5A6B80;
}

.page-about .about-what__prose p {
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.8;
  color: #24384E;
}

.page-about .about-what__prose a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-about .about-what__prose a:hover,
.page-about .about-what__prose a:focus-visible {
  background: var(--gold-soft);
}

.page-about .about-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-band__item {
  padding: 16px 16px 18px;
  border: 1px solid var(--sand);
  border-left: 4px solid var(--gold);
  background: var(--white);
}

.page-about .about-band__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-about .about-band__num small {
  font-size: 18px;
  color: var(--coral);
}

.page-about .about-band__label {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: #5A6B80;
}

/* ---------- section 02: timeline ---------- */
.page-about .about-line {
  position: relative;
  padding-block: 72px;
  background: var(--ink);
  overflow: hidden;
}

.page-about .about-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(217, 207, 192, 0.05) 0 10px, transparent 10px 20px);
  pointer-events: none;
}

.page-about .about-line .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-line__figure {
  margin: 0 0 40px;
  border: 1px solid var(--about-edge);
  background: var(--ink-2);
}

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

.page-about .about-line__cap {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
  border-top: 1px solid var(--about-edge);
}

.page-about .about-line__track {
  position: relative;
}

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

.page-about .about-line__steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-about .about-step {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--about-edge);
  border-top: 3px solid var(--gold);
  background: linear-gradient(180deg, rgba(20, 38, 61, 0.96) 0%, rgba(11, 22, 38, 0.96) 100%);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-about .about-step:hover,
.page-about .about-step:focus-within {
  border-color: var(--gold);
  transform: translateY(-3px);
}

.page-about .about-step__year {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

.page-about .about-step__name {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .about-step__text {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  font-size: 14.5px;
  line-height: 1.72;
  color: #C6D3E3;
  opacity: 0;
  transition: max-height var(--t-slow) var(--ease), opacity var(--t) var(--ease), margin var(--t) var(--ease);
}

.page-about .about-step:hover .about-step__text,
.page-about .about-step:focus-within .about-step__text {
  max-height: 200px;
  margin-top: 2px;
  opacity: 1;
}

.page-about .about-line__annot {
  margin: 40px 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: rgba(143, 166, 196, 0.55);
}

/* ---------- section 03: team ---------- */
.page-about .about-team {
  padding-block: 72px;
  background: var(--ink-2);
}

.page-about .about-team__grid {
  display: grid;
  gap: 36px;
}

.page-about .about-team__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-member {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 18px 20px;
  background: rgba(246, 241, 231, 0.05);
  border: 1px solid var(--about-edge);
  transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-about .about-member:hover {
  background: rgba(245, 165, 36, 0.10);
  border-color: var(--gold);
}

.page-about .about-member__num {
  margin: 0;
  min-width: 56px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-about .about-member__role {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-member__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: #C6D3E3;
}

.page-about .about-team__figure {
  margin: 0;
  border: 1px solid var(--about-edge);
  background: var(--ink);
}

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

.page-about .about-team__cap {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
  border-top: 1px solid var(--about-edge);
}

/* ---------- section 04: rhythm ---------- */
.page-about .about-rhythm {
  position: relative;
  padding-block: 72px;
  background: var(--ink-2);
  overflow: hidden;
}

.page-about .about-rhythm__edge {
  position: absolute;
  left: -12%;
  bottom: -30%;
  width: 70%;
  height: 90%;
  background: linear-gradient(60deg, rgba(255, 107, 122, 0.14) 0%, rgba(255, 107, 122, 0) 70%);
  clip-path: polygon(0 40%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-rhythm .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-rhythm__board {
  display: grid;
  gap: 16px;
}

.page-about .about-cycle {
  padding: 22px 20px 24px;
  background: rgba(11, 22, 38, 0.72);
  border: 1px solid var(--about-edge);
  border-top: 3px solid rgba(143, 166, 196, 0.5);
  transition: border-top-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-about .about-cycle:hover {
  transform: translateY(-3px);
  border-top-color: var(--cyan);
}

.page-about .about-cycle--accent {
  border-top-color: var(--coral);
  background: rgba(255, 107, 122, 0.08);
}

.page-about .about-cycle__tag {
  margin: 0 0 10px;
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink);
  background: var(--gold);
  text-transform: uppercase;
}

.page-about .about-cycle--accent .about-cycle__tag {
  background: var(--coral);
  color: var(--white);
}

.page-about .about-cycle__title {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-cycle__time {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.page-about .about-cycle--accent .about-cycle__time {
  color: var(--gold-soft);
}

.page-about .about-cycle__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: #C6D3E3;
}

.page-about .about-cycle__desc a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 165, 36, 0.5);
}

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

.page-about .about-rhythm__link {
  margin: 32px 0 0;
}

/* ---------- section 05: commitment ---------- */
.page-about .about-commit {
  padding-block: 72px;
  background: var(--paper);
}

.page-about .about-commit__grid {
  display: grid;
  gap: 16px;
  margin-bottom: 40px;
}

.page-about .about-claim {
  position: relative;
  padding: 26px 22px 28px;
  background: var(--white);
  border: 1px solid var(--sand);
  border-bottom: 4px solid var(--ink);
  transition: border-bottom-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-about .about-claim:hover {
  transform: translateY(-4px);
  border-bottom-color: var(--gold);
}

.page-about .about-claim__idx {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--coral);
}

.page-about .about-claim__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .about-claim__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #33475E;
}

.page-about .about-commit__figure {
  margin: 0 0 40px;
  border: 1px solid var(--sand);
  background: var(--ink);
}

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

.page-about .about-commit__cap {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
  border-top: 1px solid var(--sand);
}

.page-about .about-commit__cta {
  display: grid;
  gap: 18px;
  padding: 26px 22px;
  background: linear-gradient(120deg, var(--ink) 0%, var(--ink-2) 100%);
  border-left: 6px solid var(--gold);
}

.page-about .about-commit__ctatext {
  margin: 0;
  max-width: 52ch;
  font-size: 16.5px;
  line-height: 1.76;
  color: #D8E1EE;
}

.page-about .about-commit__cta .btn {
  text-decoration: none;
}

/* ---------- reveal ---------- */
.page-about.js .page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.page-about.js .page-about [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-about .wrap {
    padding-inline: 32px;
  }

  .page-about > .breadcrumb {
    padding: 24px 32px 0;
  }

  .page-about .about-hero {
    padding: 48px 0 88px;
  }

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

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

  .page-about .about-line__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-rhythm__board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-about .about-commit__cta {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 30px 28px;
  }

  .page-about .about-team__list {
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-about .about-what__grid {
    grid-template-columns: var(--about-note-w) minmax(0, 1fr);
    gap: 48px;
  }

  .page-about .about-rail {
    display: block;
    position: sticky;
    top: 88px;
    align-self: start;
    writing-mode: vertical-rl;
    padding-left: 2px;
  }

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

  .page-about .about-what__prose {
    columns: 1;
  }

  .page-about .about-line {
    padding-block: 96px;
  }

  .page-about .about-line__axis {
    display: block;
    width: 100%;
    height: 220px;
    margin-bottom: -110px;
    color: rgba(245, 165, 36, 0.65);
  }

  .page-about .about-line__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-step:nth-child(2) {
    margin-top: 34px;
  }

  .page-about .about-step:nth-child(3) {
    margin-top: 68px;
  }

  .page-about .about-step:nth-child(4) {
    margin-top: 102px;
  }

  .page-about .about-team {
    padding-block: 96px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-team__figure {
    position: sticky;
    top: 88px;
  }

  .page-about .about-rhythm {
    padding-block: 96px;
  }

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

  .page-about .about-commit {
    padding-block: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-about.js .page-about [data-reveal] {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>