.page-about {
  --about-card-radius: var(--radius-cut);
  --about-ease: var(--ease-ios);
  background: linear-gradient(180deg, var(--color-bg-white) 0%, var(--color-bg-soft) 100%);
}

.page-about .about-breadcrumb {
  font-size: var(--fs-caption);
  padding-bottom: var(--sp-4);
  color: rgba(245, 247, 250, 0.75);
}

.page-about .about-breadcrumb a {
  color: rgba(245, 247, 250, 0.85);
  text-decoration: none;
}

.page-about .about-breadcrumb a:hover {
  color: var(--color-gold-end);
}

.page-about .about-breadcrumb .breadcrumb-current {
  color: rgba(245, 247, 250, 0.6);
}

.page-about .about-hero {
  position: relative;
  margin-top: calc(-1 * var(--header-h));
  padding: calc(var(--header-h) + 28px) 0 72px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 100%);
  color: var(--color-bg-white);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -12%;
  width: 60%;
  height: 180%;
  background: var(--gradient-gold);
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.1;
  pointer-events: none;
}

.page-about .about-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 960px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--sp-7);
  }
}

.page-about .about-hero-eyebrow {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-caption);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-end);
  font-weight: 600;
}

.page-about .about-hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 var(--sp-4);
}

.page-about .about-hero-lead {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.82);
  max-width: 34em;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.page-about .about-hero .btn-ghost {
  border-color: rgba(245, 247, 250, 0.7);
  color: var(--color-bg-white);
}

.page-about .about-hero .btn-ghost:hover {
  border-color: var(--color-gold-end);
  color: #fff;
  background: rgba(242, 208, 123, 0.14);
}

.page-about .about-hero-badge {
  position: relative;
  display: grid;
  place-items: center;
  padding: var(--sp-4);
}

.page-about .about-hero-badge::before,
.page-about .about-hero-badge::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.page-about .about-hero-badge::before {
  inset: 2%;
  border: 1px dashed rgba(242, 208, 123, 0.42);
}

.page-about .about-hero-badge::after {
  inset: 10%;
  border: 1px solid rgba(242, 208, 123, 0.18);
}

.page-about .about-hero-img {
  position: relative;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(242, 208, 123, 0.75);
  box-shadow: 0 18px 50px rgba(2, 8, 20, 0.34);
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-6);
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: var(--sp-7);
  }
}

.page-about .about-rail {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--sp-2);
  overflow-x: auto;
  scrollbar-width: none;
}

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

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

.page-about .about-rail-link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--color-bg-white);
  border: 1px solid rgba(11, 27, 61, 0.14);
  color: var(--color-text);
  font-size: var(--fs-caption);
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--about-ease), color var(--dur-fast) var(--about-ease), background var(--dur-fast) var(--about-ease);
}

.page-about .about-rail-link:hover {
  border-color: var(--color-gold-start);
  background: #fff;
  color: var(--color-primary);
}

@media (min-width: 1024px) {
  .page-about .about-rail {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    padding: var(--sp-4);
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
  }

  .page-about .about-rail-title {
    display: block;
    color: var(--color-gold-end);
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 0 var(--sp-2) var(--sp-3);
    border-bottom: 1px solid rgba(242, 208, 123, 0.2);
    margin-bottom: var(--sp-3);
    font-size: var(--fs-caption);
  }

  .page-about .about-rail-link {
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    color: rgba(245, 247, 250, 0.82);
    padding: 10px 12px;
  }

  .page-about .about-rail-link:hover {
    background: rgba(242, 208, 123, 0.14);
    color: var(--color-gold-end);
  }
}

.page-about .about-content {
  display: grid;
  gap: var(--sp-6);
  min-width: 0;
}

.page-about .about-section {
  position: relative;
  padding: 40px 24px;
  border-radius: var(--radius-cut);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .about-section > * {
  position: relative;
  z-index: 1;
}

.page-about .about-origin {
  background: #fff;
  border: 1px solid rgba(11, 27, 61, 0.08);
}

.page-about .about-milestones {
  background: var(--color-primary-deep);
  color: var(--color-bg-white);
}

.page-about .about-scale {
  background: var(--color-bg-soft);
  color: var(--color-text);
}

.page-about .about-credential {
  background: linear-gradient(150deg, var(--color-primary-deep) 0%, var(--color-primary-mid) 100%);
  color: var(--color-bg-white);
}

.page-about .about-origin::before {
  content: "01";
  position: absolute;
  right: -10px;
  top: -30px;
  font-size: 150px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(11, 27, 61, 0.08);
  pointer-events: none;
}

.page-about .about-milestones::before {
  content: "02";
  position: absolute;
  right: -16px;
  top: -20px;
  font-size: 150px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(242, 208, 123, 0.12);
  pointer-events: none;
}

.page-about .about-scale::before {
  content: "03";
  position: absolute;
  right: -16px;
  top: -24px;
  font-size: 150px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(11, 27, 61, 0.08);
  pointer-events: none;
}

.page-about .about-credential::before {
  content: "04";
  position: absolute;
  right: -16px;
  top: -20px;
  font-size: 150px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(242, 208, 123, 0.12);
  pointer-events: none;
}

.page-about .about-section-head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.page-about .about-chapter {
  font-size: 44px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.05em;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-section-title h2 {
  font-size: var(--fs-h2);
  letter-spacing: -0.02em;
  margin: var(--sp-1) 0 0;
  line-height: 1.3;
}

.page-about .about-section-title .section-label {
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-about .about-milestones .about-section-title h2,
.page-about .about-credential .about-section-title h2 {
  color: #fff;
}

.page-about .about-milestones .about-section-title .section-label,
.page-about .about-credential .about-section-title .section-label {
  color: var(--color-gold-end);
}

.page-about .about-story-grid {
  display: grid;
  gap: var(--sp-5);
  margin-top: var(--sp-5);
}

@media (min-width: 900px) {
  .page-about .about-story-grid {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: start;
  }
}

.page-about .about-story-copy p {
  margin: 0 0 var(--sp-4);
}

.page-about .about-story-card {
  background: var(--color-primary);
  color: var(--color-bg-white);
  border-radius: var(--radius-cut);
  padding: var(--sp-5);
  display: grid;
  gap: var(--sp-1);
  box-shadow: var(--shadow-card);
}

.page-about .about-story-card-label {
  color: var(--color-gold-end);
  font-size: var(--fs-caption);
  letter-spacing: 0.1em;
  margin-top: var(--sp-2);
}

.page-about .about-story-card strong {
  font-size: var(--fs-h3);
  line-height: 1.3;
}

.page-about .about-tl {
  position: relative;
  display: grid;
  gap: var(--sp-5);
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-gold-end), rgba(212, 168, 75, 0.1));
}

.page-about .about-tl-item {
  position: relative;
  padding-left: 40px;
}

.page-about .about-tl-dot {
  position: absolute;
  left: 1px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient-gold);
  box-shadow: 0 0 0 4px rgba(212, 168, 75, 0.18);
}

.page-about .about-tl-card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  border-left: 3px solid var(--color-gold-start);
}

.page-about .about-tl-tag {
  color: var(--color-gold-end);
  font-weight: 600;
  font-size: var(--fs-caption);
  margin-bottom: var(--sp-1);
}

.page-about .about-tl-card h3 {
  font-size: var(--fs-h3);
  margin: 0 0 var(--sp-1);
  color: #fff;
}

.page-about .about-tl-card p {
  color: rgba(245, 247, 250, 0.75);
  font-size: var(--fs-body);
  margin: 0;
}

@media (min-width: 900px) {
  .page-about .about-tl {
    gap: var(--sp-6);
  }

  .page-about .about-tl::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .about-tl-item {
    width: 50%;
    padding-left: 0;
    padding-right: 56px;
    text-align: right;
  }

  .page-about .about-tl-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 56px;
    text-align: left;
    margin-top: var(--sp-6);
  }

  .page-about .about-tl-dot {
    left: auto;
    right: -9px;
  }

  .page-about .about-tl-item:nth-child(even) .about-tl-dot {
    right: auto;
    left: -9px;
  }

  .page-about .about-tl-card {
    border-left: none;
    border-right: 3px solid var(--color-gold-start);
  }

  .page-about .about-tl-item:nth-child(even) .about-tl-card {
    border-right: none;
    border-left: 3px solid var(--color-gold-start);
  }
}

.page-about .about-milestone-figure {
  margin-top: var(--sp-6);
}

.page-about .about-milestone-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid rgba(242, 208, 123, 0.2);
}

.page-about .about-milestone-figure figcaption {
  margin-top: var(--sp-2);
  font-size: var(--fs-caption);
  color: rgba(245, 247, 250, 0.65);
  text-align: center;
}

.page-about .about-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.page-about .about-stat-card {
  padding: var(--sp-4);
  background: #fff;
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-card);
}

.page-about .about-stat-card:first-child {
  grid-column: 1 / -1;
}

.page-about .about-stat-num {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .about-stat-unit {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--color-gold-start);
}

.page-about .about-stat-card p {
  margin: var(--sp-2) 0 0;
  font-weight: 600;
  color: var(--color-text);
}

.page-about .about-stat-card small {
  display: block;
  margin-top: var(--sp-1);
  color: rgba(17, 24, 39, 0.6);
}

@media (min-width: 700px) {
  .page-about .about-stat-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
  }

  .page-about .about-stat-card:first-child {
    grid-column: auto;
  }
}

.page-about .about-network-grid {
  display: grid;
  gap: var(--sp-5);
  margin-top: var(--sp-6);
  align-items: center;
}

@media (min-width: 900px) {
  .page-about .about-network-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--sp-6);
  }
}

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

.page-about .about-figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-about .about-network-figure img {
  background: var(--color-bg-white);
  padding: 4px;
  border: 1px solid rgba(11, 27, 61, 0.08);
}

.page-about .about-figure figcaption {
  margin-top: var(--sp-2);
  font-size: var(--fs-caption);
  color: rgba(17, 24, 39, 0.65);
}

.page-about .about-network-copy h3 {
  font-size: var(--fs-h3);
  margin: 0 0 var(--sp-3);
  color: var(--color-primary);
}

.page-about .about-network-copy p {
  margin: 0 0 var(--sp-3);
}

.page-about .about-network-copy .btn-ghost {
  border-color: rgba(11, 27, 61, 0.3);
  color: var(--color-primary);
}

.page-about .about-qual-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

@media (min-width: 700px) {
  .page-about .about-qual-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-about .about-qual-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-about .about-qual-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(242, 208, 123, 0.22);
  border-radius: var(--radius-cut);
  padding: var(--sp-4);
  transition: transform var(--dur-mid) var(--about-ease), border-color var(--dur-mid) var(--about-ease);
}

.page-about .about-qual-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-end);
}

.page-about .about-qual-card > span {
  display: inline-block;
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  color: var(--color-gold-end);
  margin-bottom: var(--sp-3);
}

.page-about .about-qual-card strong {
  display: block;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-bg-white);
}

.page-about .about-qual-card p {
  margin-top: var(--sp-2);
  font-size: var(--fs-caption);
  color: rgba(245, 247, 250, 0.8);
}

.page-about .about-qual-description {
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(242, 208, 123, 0.24);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
  justify-content: space-between;
}

.page-about .about-qual-description p {
  flex: 1 1 320px;
  color: rgba(245, 247, 250, 0.82);
  margin: 0;
}

.page-about .about-qual-description .btn-primary {
  flex: 0 0 auto;
}

.page-about .about-mission {
  margin-top: var(--sp-7);
  padding: var(--sp-7) 0;
  background: linear-gradient(140deg, var(--color-primary) 0%, var(--color-primary-deep) 70%);
  color: var(--color-bg-white);
}

.page-about .about-mission-inner {
  max-width: 860px;
}

.page-about .about-mission .section-label {
  color: var(--color-gold-end);
  letter-spacing: 0.14em;
}

.page-about .about-mission h2 {
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: var(--sp-3) 0 var(--sp-4);
}

.page-about .about-mission-lead {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.85);
  max-width: 36em;
}

.page-about .about-mission-links {
  margin-top: var(--sp-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.page-about .about-mission .btn-ghost {
  border-color: rgba(242, 208, 123, 0.6);
  color: var(--color-bg-white);
}

.page-about .about-mission .btn-ghost:hover {
  border-color: var(--color-gold-end);
  background: rgba(242, 208, 123, 0.12);
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}