.page-about {
  background: var(--c-paper);
  color: var(--c-ink);
  --about-accent-line: rgba(240, 162, 60, 0.55);
  --about-soft-line: rgba(24, 32, 51, 0.10);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-deep);
  color: var(--c-white);
  padding: clamp(44px, 7vw, 88px) 0 clamp(56px, 8vw, 104px);
}

.page-about .about-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  mix-blend-mode: luminosity;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(70% 55% at 18% 0%, rgba(240, 162, 60, 0.10), transparent 65%),
    radial-gradient(50% 50% at 92% 18%, rgba(124, 92, 255, 0.14), transparent 70%),
    linear-gradient(180deg, rgba(10, 24, 48, 0.35) 0%, var(--c-deep) 92%);
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .about-hero-main .eyebrow {
  color: var(--c-amber);
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.4rem, 6.2vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
  color: var(--c-white);
  max-width: 14ch;
}

.page-about .about-hero .lede {
  color: var(--c-white);
  opacity: 0.82;
  font-size: clamp(0.95rem, 1.05vw, 1.05rem);
  line-height: 1.85;
  max-width: 60ch;
}

.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero-rail {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

.page-about .about-hero-rail .rail-label {
  color: var(--c-mist);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.10em;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-about .about-hero-rail .rail-label:hover,
.page-about .about-hero-rail .rail-label:focus-visible {
  color: var(--c-gold);
}

/* ---------- section head refinement ---------- */
.page-about .section-head {
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-about .section-head h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  line-height: 1.12;
  color: var(--c-ink);
  margin: 10px 0 0;
}

.page-about .section-head .lede {
  color: var(--c-ink);
  opacity: 0.72;
  margin-top: 12px;
  max-width: 60ch;
}

.page-about .on-dark .section-head h2 {
  color: var(--c-white);
}

.page-about .on-dark .section-head .lede {
  color: var(--c-white);
  opacity: 0.72;
}

/* ---------- origin ---------- */
.page-about .about-origin {
  position: relative;
}

.page-about .about-origin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  max-width: 74ch;
}

.page-about .about-origin-grid p {
  font-size: clamp(0.95rem, 1vw, 1.02rem);
  line-height: 1.85;
  margin: 0;
}

.page-about .about-origin-lead {
  font-size: clamp(1.05rem, 1.45vw, 1.22rem) !important;
  line-height: 1.75 !important;
  color: var(--c-ink);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--about-soft-line);
}

.page-about .about-origin-lead::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: var(--c-gold);
  margin-bottom: 16px;
}

/* ---------- team ---------- */
.page-about .about-team {
  position: relative;
  background: var(--c-deep);
  color: var(--c-white);
}

.page-about .about-team-filter {
  margin-bottom: clamp(24px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-about .about-filter-count {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
  margin-left: auto;
}

.page-about .about-team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

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

.page-about .about-team-card {
  position: relative;
  padding: 20px 20px 22px;
  background: var(--c-hull);
  border: 1px solid var(--line-dark);
  clip-path: var(--clip-cut);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-team-card:hover {
  transform: translateY(-2px);
  border-color: rgba(240, 162, 60, 0.5);
}

.page-about .about-team-num {
  font-family: var(--font-num);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 600;
  color: var(--c-gold);
  line-height: 1;
  display: block;
  margin-bottom: 10px;
}

.page-about .about-team-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--c-white);
  margin: 0 0 8px;
}

.page-about .about-team-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-about .about-team-figure {
  margin: 0;
  clip-path: var(--clip-cut-lg);
  overflow: hidden;
  background: var(--c-deep-soft);
}

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

.page-about .about-team-figure figcaption {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
  padding: 10px 14px 12px;
  background: var(--c-deep-soft);
}

/* ---------- process ---------- */
.page-about .about-process {
  position: relative;
}

.page-about .about-process-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-process-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-step {
  position: relative;
  padding: 18px 20px 18px 24px;
  background: var(--c-white);
  border-left: 3px solid var(--c-gold);
  clip-path: var(--clip-corner);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  cursor: default;
  outline: none;
}

.page-about .about-step:hover,
.page-about .about-step:focus-visible {
  background: #ffffff;
  border-left-color: var(--c-violet);
}

.page-about .about-step-num {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-gold);
  display: block;
  margin-bottom: 4px;
}

.page-about .about-step h3 {
  font-family: var(--font-head);
  font-size: 1.12rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--c-ink);
}

.page-about .about-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(24, 32, 51, 0.78);
}

.page-about .about-step-detail {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease), opacity var(--dur) var(--ease), margin var(--dur) var(--ease);
}

.page-about .about-step:hover .about-step-detail,
.page-about .about-step:focus-visible .about-step-detail {
  max-height: 180px;
  opacity: 1;
  margin-top: 8px;
  color: var(--c-ink);
}

.page-about .about-process-figure {
  margin: 0;
  clip-path: var(--clip-cut-lg);
  overflow: hidden;
  background: var(--c-hull);
}

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

.page-about .about-process-figure figcaption {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
  padding: 10px 14px 12px;
  background: var(--c-hull);
}

/* ---------- timeline ---------- */
.page-about .about-timeline {
  background: var(--c-paper);
  position: relative;
}

.page-about .about-timeline-accordion {
  position: relative;
  padding-left: 18px;
  border-left: 1px solid var(--about-soft-line);
}

.page-about .about-tl-item {
  position: relative;
}

.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-paper);
  border: 2px solid var(--c-gold);
}

.page-about .about-tl-trigger {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 16px 0;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--c-ink);
  border-bottom: 1px solid var(--about-soft-line);
  font: inherit;
}

.page-about .about-tl-trigger:hover .about-tl-title,
.page-about .about-tl-trigger[aria-expanded="true"] .about-tl-title {
  color: var(--c-gold);
}

.page-about .about-tl-year {
  font-family: var(--font-num);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-gold);
  flex-shrink: 0;
  min-width: 64px;
}

.page-about .about-tl-title {
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--c-ink);
  flex: 1;
  transition: color var(--dur) var(--ease);
}

.page-about .about-tl-trigger .accordion-icon {
  flex-shrink: 0;
  align-self: center;
}

.page-about .about-timeline-accordion .accordion-panel-inner {
  padding: 12px 0 20px;
  font-size: 0.93rem;
  line-height: 1.85;
  color: rgba(24, 32, 51, 0.78);
  max-width: 68ch;
}

.page-about .about-timeline-accordion .accordion-panel-inner p {
  margin: 0;
}

/* ---------- review ---------- */
.page-about .about-review {
  background: var(--c-paper);
  position: relative;
}

.page-about .about-review-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-review-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 64ch;
}

.page-about .about-review-main p {
  margin: 0;
  font-size: clamp(0.95rem, 1vw, 1.02rem);
  line-height: 1.85;
  color: var(--c-ink);
}

.page-about .about-review-network {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px;
  background: var(--c-hull);
  color: var(--c-white);
  clip-path: var(--clip-cut-lg);
}

.page-about .about-review-num {
  font-family: var(--font-num);
  font-size: clamp(3rem, 6vw, 4.6rem);
  font-weight: 600;
  line-height: 1;
  color: var(--c-gold);
}

.page-about .about-review-label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

.page-about .about-review-network p {
  margin: 6px 0 14px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(232, 238, 247, 0.78);
}

/* ---------- contact ---------- */
.page-about .about-contact-section {
  background: linear-gradient(180deg, var(--c-paper) 0%, #efe8d9 100%);
}

.page-about .about-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-contact-card {
  padding: 22px 22px 24px;
  background: #ffffff;
  border: 1px solid var(--about-soft-line);
  clip-path: var(--clip-cut);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-contact-card h3 {
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 700;
  margin: 0;
  color: var(--c-ink);
}

.page-about .about-contact-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(24, 32, 51, 0.78);
  flex: 1;
}

.page-about .about-contact-card .btn {
  align-self: flex-start;
}

.page-about .about-contact-bar {
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--c-hull);
  color: var(--c-white);
  clip-path: var(--clip-cut-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-dark);
}

.page-about .about-contact-line:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-about .about-contact-label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
  min-width: 68px;
}

.page-about .about-contact-value {
  font-size: 0.94rem;
  color: var(--c-white);
  word-break: break-all;
}

.page-about .about-contact-line .btn {
  margin-left: auto;
}

/* ---------- responsive ---------- */
@media (hover: none) {
  .page-about .about-step-detail {
    max-height: 180px;
    opacity: 1;
    margin-top: 8px;
    color: var(--c-ink);
  }
}

@media (min-width: 768px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 48px;
  }

  .page-about .about-hero-rail {
    flex-direction: column;
    border-top: none;
    border-left: 1px solid var(--line-dark);
    padding: 6px 0 6px 20px;
    gap: 14px;
    margin-bottom: 6px;
  }

  .page-about .about-origin-grid {
    grid-template-columns: 1fr;
  }

  .page-about .about-team-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-about .about-origin-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px 40px;
  }

  .page-about .about-origin-lead {
    grid-column: 1 / -1;
  }

  .page-about .about-team-layout {
    grid-template-columns: 1.15fr 1fr;
    gap: 36px;
    align-items: stretch;
  }

  .page-about .about-team-figure {
    display: flex;
    flex-direction: column;
  }

  .page-about .about-team-figure img {
    flex: 1;
    height: 100%;
    min-height: 260px;
  }

  .page-about .about-process-layout {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-about .about-review-layout {
    grid-template-columns: 1.6fr 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-about .about-contact-bar {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
  }

  .page-about .about-contact-line {
    border-bottom: none;
    padding-bottom: 0;
    flex: 1;
    min-width: 220px;
  }

  .page-about .about-contact-line .btn {
    margin-left: 0;
  }
}
<<<END>>>