.page-about {
  --about-gold-gradient: linear-gradient(90deg, var(--color-gold), var(--color-gold-deep));
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.8;
  overflow-x: hidden;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .breadcrumb {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 20px 20px 0;
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--color-muted);
}

.page-about .breadcrumb__link {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumb__link:hover {
  color: var(--color-gold);
}

.page-about .breadcrumb__current {
  color: var(--color-gold);
}

.page-about .breadcrumb__item + .breadcrumb__item::before {
  content: "／";
  margin-right: 6px;
  color: var(--color-gold-deep);
}

.page-about .page-hero {
  display: grid;
  gap: 28px;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 36px 20px 56px;
  align-items: center;
}

.page-about .page-hero__content {
  position: relative;
  z-index: 2;
}

.page-about .page-hero__title {
  margin: 10px 0 18px;
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-about .page-hero__title span {
  display: block;
  color: var(--color-gold);
}

.page-about .page-hero .lead {
  margin: 0;
  font-size: 17px;
  color: var(--color-muted);
  max-width: 56ch;
}

.page-about .page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 24px;
}

.page-about .trust-badge {
  display: inline-block;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: rgba(212, 175, 55, 0.08);
  color: var(--color-gold-soft);
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
}

.page-about .hero-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  font-size: 13px;
  color: var(--color-muted);
}

.page-about .hero-stat .num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-orange);
}

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

.page-about .hero-swoosh {
  position: absolute;
  top: -14px;
  right: -16px;
  width: 62%;
  height: 52%;
  background: linear-gradient(115deg, rgba(212, 175, 55, 0.2), rgba(143, 107, 26, 0.04));
  transform: skewY(-12deg);
  border-radius: var(--radius-lg);
  pointer-events: none;
  z-index: 0;
}

.page-about .media-frame {
  position: relative;
  z-index: 1;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.page-about .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .section__header {
  margin-bottom: 20px;
}

.page-about .section-kicker {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-gold);
  text-transform: uppercase;
}

.page-about .section-title {
  margin: 0 0 12px;
  font-size: clamp(26px, 5vw, 40px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .lead {
  margin: 0;
  max-width: 64ch;
  font-size: 17px;
  color: var(--color-muted);
}

.page-about .position-section,
.page-about .evo-section,
.page-about .team-section,
.page-about .more-section {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 56px 20px;
}

.page-about .position-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-about .position-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px 30px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-about .position-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.55);
  box-shadow: var(--shadow-md);
}

.page-about .position-card__num {
  position: absolute;
  top: 22px;
  right: 24px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: rgba(212, 175, 55, 0.35);
  font-family: var(--font-mono);
}

.page-about .position-card__title {
  margin: 14px 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--color-gold-soft);
}

.page-about .position-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
}

.page-about .capability-section {
  background: var(--color-bg-deep);
  padding: 56px 20px;
  position: relative;
}

.page-about .capability-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--about-gold-gradient);
  opacity: 0.8;
}

.page-about .capability-section__inner {
  max-width: var(--container-w);
  margin: 0 auto;
}

.page-about .capability-layout {
  display: grid;
  gap: 32px;
  margin-top: 12px;
}

.page-about .capability-visual .media-frame {
  box-shadow: none;
}

.page-about .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.page-about .filter-btn {
  border: 1px solid var(--color-line);
  background: rgba(212, 175, 55, 0.06);
  color: var(--color-muted);
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-about .filter-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-soft);
}

.page-about .filter-btn.is-active {
  border-color: var(--color-gold);
  background: var(--color-gold);
  color: var(--color-bg);
}

.page-about .capability-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 12px;
}

.page-about .capability-panel:last-child {
  margin-bottom: 0;
}

.page-about .capability-panel__title {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 800;
  color: var(--color-gold-soft);
}

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

.page-about .capability-panel__list li {
  position: relative;
  padding: 6px 0 6px 24px;
  font-size: 15px;
  color: var(--color-text);
}

.page-about .capability-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 10px;
  height: 10px;
  background: var(--color-gold);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-about .stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.page-about .stats-block {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px 12px;
  text-align: center;
}

.page-about .stats-block__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-orange);
}

.page-about .stats-block__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.06em;
}

.page-about .timeline {
  margin-top: 32px;
}

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

.page-about .timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding-bottom: 30px;
}

.page-about .timeline__item:last-child {
  padding-bottom: 6px;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 10px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-gold), var(--color-gold-deep));
  opacity: 0.5;
}

.page-about .timeline__item:last-child::before {
  display: none;
}

.page-about .timeline__node {
  position: relative;
  z-index: 2;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-about .timeline__node .num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-gold-soft);
}

.page-about .timeline__card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px 18px 18px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .timeline__card:hover {
  transform: translateX(4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.page-about .timeline__date {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-orange);
}

.page-about .timeline__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-gold-soft);
}

.page-about .timeline__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-about .timeline-figure {
  margin-top: 28px;
}

.page-about .team-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-about .team-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: 26px 24px;
}

.page-about .team-card::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 70%;
  height: 100%;
  background: linear-gradient(135deg, transparent, rgba(212, 175, 55, 0.05));
  pointer-events: none;
}

.page-about .team-card__label {
  display: inline-block;
  border-radius: var(--radius-pill);
  background: rgba(212, 175, 55, 0.15);
  color: var(--color-gold-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  margin-bottom: 14px;
}

.page-about .team-card__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text);
}

.page-about .team-card__body {
  margin: 0;
  font-size: 14px;
  color: var(--color-muted);
}

.page-about .award-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  padding: 20px 22px;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-md);
  background: linear-gradient(105deg, rgba(212, 175, 55, 0.16), rgba(143, 107, 26, 0.06));
}

.page-about .award-banner__icon {
  font-size: 22px;
  color: var(--color-gold);
}

.page-about .award-banner__text {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.page-about .highlight {
  color: var(--color-gold-soft);
  font-weight: 800;
}

.page-about .more-section {
  padding-top: 40px;
  padding-bottom: 72px;
}

.page-about .more-section__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
}

.page-about .more-section__intro {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
}

.page-about .more-links {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-about .more-links__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-about .more-links__item:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold);
}

.page-about .more-links__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-gold);
}

.page-about .more-links__text {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
}

.page-about .more-links__desc {
  margin-left: auto;
  padding-left: 12px;
  font-size: 13px;
  color: var(--color-muted);
  text-align: right;
}

@media (min-width: 720px) {
  .page-about .position-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .capability-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 36px;
  }

  .page-about .stats-row {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .more-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-about .page-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    padding: 56px 32px 88px;
  }

  .page-about .page-hero__title {
    font-size: clamp(48px, 6vw, 66px);
  }

  .page-about .position-section,
  .page-about .evo-section,
  .page-about .team-section,
  .page-about .more-section {
    padding-left: 32px;
    padding-right: 32px;
  }

  .page-about .capability-section {
    padding: 76px 32px;
  }

  .page-about .timeline__track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(260px, 1fr);
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gold) rgba(212, 175, 55, 0.12);
  }

  .page-about .timeline__item {
    grid-template-columns: 1fr;
    grid-template-rows: 56px 1fr;
    gap: 18px;
    padding-bottom: 0;
    scroll-snap-align: start;
  }

  .page-about .timeline__item::before {
    left: 0;
    top: 27px;
    width: auto;
    right: 0;
    height: 2px;
    bottom: auto;
    background: linear-gradient(90deg, var(--color-gold), var(--color-gold-deep));
    opacity: 0.5;
  }

  .page-about .timeline__item:last-child::before {
    display: block;
    background: linear-gradient(90deg, var(--color-gold), rgba(212, 175, 55, 0.1));
  }

  .page-about .timeline__card:hover {
    transform: translateY(-6px);
  }
}