.page-about {
  background: linear-gradient(180deg, var(--c-dark) 0%, #131110 100%);
  color: var(--c-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-about .breadcrumbs {
  padding-top: 22px;
}

.page-about .breadcrumbs a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.page-about .breadcrumbs a:hover {
  border-color: var(--c-gold);
}

.story-hero {
  display: grid;
  gap: 32px;
  padding-top: 28px;
  padding-bottom: 56px;
  position: relative;
}

.story-hero__media {
  position: relative;
}

.story-hero__media::after {
  content: "";
  position: absolute;
  inset: 12px -10px -10px 12px;
  border: 3px solid var(--c-gold);
  z-index: 0;
  pointer-events: none;
}

.story-hero__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 360px;
  object-fit: cover;
  object-position: center 20%;
  clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
}

.story-hero__content {
  position: relative;
  z-index: 1;
}

.story-hero h1 {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.2;
  margin: 12px 0 18px;
  color: var(--c-text);
  font-weight: 800;
}

.story-hero__lead {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(245, 245, 245, 0.85);
  max-width: 56ch;
}

.story-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 36px;
  margin: 26px 0 28px;
}

.story-hero__stat {
  border-left: 3px solid var(--c-gold);
  padding-left: 14px;
  line-height: 1.4;
}

.story-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-gold);
}

.story-hero__label {
  display: block;
  font-size: 0.82rem;
  color: rgba(245, 245, 245, 0.65);
  letter-spacing: 0.08em;
}

.story-hero .btn--ghost {
  display: inline-block;
  border: 2px solid var(--c-gold);
  color: var(--c-gold);
  padding: 10px 22px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.story-hero .btn--ghost:hover {
  background: var(--c-gold);
  color: var(--c-dark);
}

.story-origin {
  position: relative;
  padding-top: 48px;
  padding-bottom: 56px;
}

.story-origin::before {
  content: "財";
  position: absolute;
  right: -10px;
  top: -20px;
  font-family: var(--font-headline);
  font-size: 220px;
  line-height: 1;
  color: rgba(241, 196, 15, 0.06);
  pointer-events: none;
  z-index: 0;
}

.story-origin__head {
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}

.story-origin__body {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.story-origin__body p {
  font-size: 1rem;
  line-height: 1.9;
  margin: 0 0 18px;
  color: rgba(245, 245, 245, 0.85);
}

.story-timeline {
  background: linear-gradient(180deg, var(--c-red-deep) 0%, rgba(26, 26, 26, 1) 46%);
  border-top: 4px solid var(--c-gold);
  padding-bottom: 72px;
  position: relative;
}

.timeline-banner {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.timeline-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
}

.timeline-shell {
  margin-top: 40px;
}

.timeline-head {
  margin-bottom: 44px;
}

.timeline-head p {
  max-width: 56ch;
  margin: 12px 0 0;
  color: rgba(245, 245, 245, 0.7);
  line-height: 1.7;
}

.timeline-list {
  border-left: 4px solid rgba(241, 196, 15, 0.4);
  margin: 0;
}

.timeline-item {
  position: relative;
  padding: 0 0 52px 28px;
  transition: transform 0.35s var(--ease);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item:hover {
  transform: translateX(6px);
}

.timeline-item__node {
  position: absolute;
  left: -10px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 5px rgba(26, 26, 26, 0.9), 0 0 16px rgba(241, 196, 15, 0.6);
}

.timeline-item__year {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--c-gold);
  display: block;
  margin-bottom: 8px;
}

.timeline-item__body h3 {
  font-family: var(--font-headline);
  font-size: 1.35rem;
  margin: 0 0 8px;
  color: var(--c-text);
}

.timeline-item__body p {
  margin: 0;
  color: rgba(245, 245, 245, 0.78);
  line-height: 1.8;
  max-width: 62ch;
}

.story-philosophy {
  padding-top: 72px;
  padding-bottom: 72px;
  position: relative;
}

.philosophy-head {
  margin-bottom: 40px;
}

.philosophy-grid {
  display: grid;
  gap: 20px;
}

.philosophy-card {
  position: relative;
  border: 2px solid rgba(241, 196, 15, 0.25);
  padding: 36px 28px 32px;
  background: linear-gradient(160deg, rgba(192, 57, 43, 0.12), rgba(26, 26, 26, 0.4));
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.philosophy-card:hover {
  border-color: var(--c-gold);
  transform: translateY(-6px);
}

.philosophy-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  width: 56px;
  height: 6px;
  background: var(--c-gold);
}

.philosophy-card__index {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 2.4rem;
  font-weight: 700;
  color: rgba(241, 196, 15, 0.16);
  line-height: 1;
}

.philosophy-card h3 {
  font-family: var(--font-headline);
  font-size: 2rem;
  margin: 24px 0 10px;
  color: var(--c-gold);
}

.philosophy-card p {
  margin: 0;
  color: rgba(245, 245, 245, 0.8);
  line-height: 1.8;
}

.story-team {
  display: grid;
  gap: 32px;
  padding-top: 56px;
  padding-bottom: 72px;
}

.story-team__media img {
  border: 3px solid var(--c-gold);
  width: 100%;
  height: auto;
  object-fit: cover;
}

.story-team__content p {
  color: rgba(245, 245, 245, 0.8);
  line-height: 1.9;
  margin-top: 0;
}

.story-credentials {
  padding-top: 24px;
  padding-bottom: 72px;
}

.credentials-head {
  margin-bottom: 32px;
}

.credentials-list {
  display: grid;
  gap: 16px;
}

.credential-item {
  display: grid;
  align-content: center;
  justify-items: start;
  min-height: 128px;
  padding: 24px 20px;
  background: linear-gradient(135deg, var(--c-red-deep), var(--c-red));
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  transition: filter 0.3s var(--ease);
}

.credential-item:hover {
  filter: brightness(1.15);
}

.credential-item__num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-gold);
  line-height: 1.2;
}

.credential-item__label {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--c-text);
  line-height: 1.5;
}

.credentials-note {
  margin-top: 32px;
  max-width: 820px;
}

.credentials-note p {
  line-height: 1.9;
  color: rgba(245, 245, 245, 0.78);
  margin: 0 0 14px;
}

.credentials-note a {
  color: var(--c-gold);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.story-next {
  padding-top: 16px;
  padding-bottom: 88px;
}

.story-next__head {
  font-family: var(--font-headline);
  font-size: 1.8rem;
  color: var(--c-text);
  margin: 0 0 28px;
}

.story-next__links {
  display: grid;
  gap: 16px;
}

.story-next__link {
  position: relative;
  display: grid;
  grid-template-columns: 64px 1fr;
  column-gap: 16px;
  row-gap: 6px;
  align-items: baseline;
  padding: 22px 24px;
  background: rgba(0, 0, 0, 0.25);
  border: 2px solid var(--border-gold);
  text-decoration: none;
  overflow: hidden;
  transition: border-color 0.35s var(--ease), background-color 0.35s var(--ease);
}

.story-next__link:hover {
  border-color: var(--c-gold);
  background-color: rgba(241, 196, 15, 0.06);
}

.story-next__link::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(241, 196, 15, 0.22), transparent);
  transform: skewX(-18deg);
  transition: left 0.55s var(--ease);
}

.story-next__link:hover::after {
  left: 150%;
}

.story-next__index {
  grid-row: 1 / span 2;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-gold);
  align-self: center;
}

.story-next__title {
  font-family: var(--font-headline);
  font-size: 1.3rem;
  color: var(--c-text);
}

.story-next__desc {
  font-size: 0.86rem;
  color: rgba(245, 245, 245, 0.6);
  line-height: 1.5;
}

@media (min-width: 600px) {
  .credentials-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .story-next__links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .philosophy-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .story-hero {
    grid-template-columns: minmax(300px, 420px) 1fr;
    gap: 64px;
    padding-top: 52px;
    padding-bottom: 88px;
    align-items: center;
  }

  .story-hero__img {
    height: auto;
  }

  .story-origin {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 48px;
  }

  .story-origin__head {
    margin-bottom: 0;
  }

  .timeline-banner {
    height: 320px;
  }

  .story-team {
    grid-template-columns: minmax(300px, 460px) 1fr;
    gap: 64px;
    align-items: center;
  }

  .credentials-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .story-next__link::after {
    display: none;
  }

  .timeline-item,
  .philosophy-card,
  .credential-item {
    transition: none;
  }
}