.page-about {
  --about-num-size: clamp(4.5rem, 11vw, 7.5rem);
  background: var(--cloud);
  color: var(--ink);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.page-about .about-hero {
  position: relative;
  background: var(--deep);
  color: var(--cloud);
  padding: 1.5rem 0 3.5rem;
  overflow: hidden;
  border-bottom: 6px solid var(--orange);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -5rem;
  top: -5rem;
  width: 17rem;
  height: 17rem;
  border: 2.25rem solid rgba(255, 107, 53, 0.8);
  transform: rotate(14deg);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero__word {
  position: absolute;
  right: 0;
  top: 6rem;
  font-size: clamp(4rem, 10vw, 8.5rem);
  font-weight: 200;
  font-style: italic;
  letter-spacing: -0.03em;
  line-height: 1;
  color: rgba(255, 202, 40, 0.13);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
  transform: rotate(-5deg);
}

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

.page-about .about-hero .wl-breadcrumb__link,
.page-about .about-hero .wl-breadcrumb__current {
  color: rgba(244, 247, 251, 0.78);
  text-decoration: none;
  font-size: 0.875rem;
}

.page-about .about-hero .wl-breadcrumb__sep {
  color: rgba(244, 247, 251, 0.38);
  margin: 0 0.5rem;
}

.page-about .about-hero .wl-breadcrumb__link:hover,
.page-about .about-hero .wl-breadcrumb__link:focus-visible {
  color: var(--yellow);
  outline: none;
}

.page-about .about-hero__grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 3rem 0 2.5rem;
}

.page-about .about-hero__kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow);
  margin: 0 0 1rem;
}

.page-about .about-hero .wl-display {
  margin: 0;
  color: var(--cloud);
}

.page-about .about-hero__lead {
  max-width: 38rem;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: rgba(244, 247, 251, 0.84);
  margin: 1.5rem 0 0;
}

.page-about .about-hero__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.375rem;
  border: 1px solid rgba(244, 247, 251, 0.14);
  background: rgba(22, 35, 82, 0.72);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem 1.75rem;
  max-width: 21rem;
}

.page-about .about-hero__est {
  font-size: 4.75rem;
  font-weight: 200;
  font-style: italic;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px var(--orange);
  user-select: none;
}

.page-about .about-hero__edition {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 2.625rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--yellow);
}

.page-about .about-hero__edition::before {
  content: "";
  width: 0.875rem;
  height: 0.875rem;
  background: var(--orange);
  flex: 0 0 auto;
}

.page-about .about-hero__side p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(244, 247, 251, 0.76);
  margin: 0.75rem 0 0;
}

.page-about .about-chapter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.75rem;
  border-top: 1px solid rgba(244, 247, 251, 0.15);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.page-about .about-chapter-nav a {
  color: rgba(244, 247, 251, 0.78);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-chapter-nav a:hover,
.page-about .about-chapter-nav a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--orange);
  outline: none;
}

.page-about .about-chapter-nav a span {
  color: var(--orange);
  font-weight: 800;
  margin-right: 0.375rem;
}

.page-about .about-chapter {
  display: grid;
  gap: 1.5rem;
  padding: 3.5rem 0;
}

.page-about .about-chapter__num {
  font-size: var(--about-num-size);
  font-weight: 900;
  font-style: italic;
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 2px var(--orange);
  user-select: none;
  min-height: 1em;
}

.page-about .about-chapter__body {
  min-width: 0;
}

.page-about .about-origin {
  border-top: 6px solid var(--orange);
}

.page-about .about-origin__grid {
  align-items: start;
  row-gap: 2.25rem;
}

.page-about .about-origin__text p {
  margin: 0 0 1.125rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-about .about-origin__text p:nth-of-type(2),
.page-about .about-origin__text p:nth-of-type(3) {
  color: rgba(35, 48, 64, 0.84);
}

.page-about .about-origin__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 1.5rem;
}

.page-about .about-origin__fact {
  margin-top: 2rem;
  border: 2px solid var(--ink);
  background: var(--deep);
  box-shadow: var(--shadow-hard);
  color: var(--cloud);
  padding: 1.5rem 1.75rem;
}

.page-about .about-origin__fact h3 {
  margin: 0 0 1.125rem;
  font-size: 0.9375rem;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-about .about-origin__fact dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem 1.25rem;
  margin: 0;
}

.page-about .about-origin__fact dt {
  color: rgba(244, 247, 251, 0.55);
  font-size: 0.8125rem;
  line-height: 1.4;
}

.page-about .about-origin__fact dd {
  margin: 0.125rem 0 0;
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--cloud);
}

.page-about .about-figure {
  margin: 0;
  line-height: 0;
  border: 3px solid var(--ink);
  background: var(--mid);
  box-shadow: var(--shadow-hard);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--mid);
}

.page-about .about-figure__caption {
  margin: 0;
  padding: 0.875rem 1.125rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--mist);
  background: var(--cloud);
  border-top: 2px solid rgba(138, 148, 166, 0.4);
}

.page-about .about-origin__figure {
  margin-top: 0.5rem;
}

.page-about .about-milestones {
  background: var(--deep);
  color: var(--cloud);
  border-top: 4px solid var(--yellow);
  border-bottom: 4px solid var(--orange);
}

.page-about .about-milestones .about-chapter {
  padding-bottom: 3rem;
}

.page-about .about-milestones .about-chapter__num {
  -webkit-text-stroke-color: var(--yellow);
}

.page-about .about-milestones .wl-sec__kicker {
  color: var(--yellow);
}

.page-about .about-milestones .wl-sec__title {
  color: var(--cloud);
}

.page-about .about-milestones .wl-sec__sub {
  color: rgba(244, 247, 251, 0.72);
}

.page-about .about-timeline {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding: 2.75rem 0.25rem 2rem;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--orange) var(--mid);
  position: relative;
}

.page-about .about-timeline::-webkit-scrollbar {
  height: 6px;
}

.page-about .about-timeline::-webkit-scrollbar-track {
  background: var(--mid);
}

.page-about .about-timeline::-webkit-scrollbar-thumb {
  background: var(--orange);
  border-radius: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: calc(2.75rem + 1rem);
  left: 0.5rem;
  right: 0.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--yellow) 25%, var(--orange) 70%, var(--yellow));
  opacity: 0.5;
}

.page-about .about-milestone {
  flex: 0 0 82%;
  scroll-snap-align: start;
}

.page-about .about-milestone__head {
  position: relative;
  min-height: 2rem;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
}

.page-about .about-milestone__dot {
  position: absolute;
  top: calc(1rem - 0.4375rem);
  left: 0;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 50%;
  background: var(--orange);
  border: 3px solid var(--deep);
  box-shadow: 0 0 0 2px var(--orange);
  z-index: 1;
}

.page-about .about-milestone__ver {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--yellow);
  line-height: 1.2;
}

.page-about .about-milestone__body {
  background: var(--mid);
  border: 2px solid rgba(244, 247, 251, 0.1);
  padding: 1.25rem 1.375rem;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-milestone:hover .about-milestone__body,
.page-about .about-milestone:focus-within .about-milestone__body {
  background: rgba(42, 63, 143, 0.55);
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-about .about-milestone__body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  color: var(--cloud);
  letter-spacing: 0.01em;
}

.page-about .about-milestone__body summary {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--orange);
  list-style: none;
  text-decoration: underline dotted;
  text-underline-offset: 4px;
}

.page-about .about-milestone__body summary::-webkit-details-marker {
  display: none;
}

.page-about .about-milestone__body summary::before {
  content: "＋";
  font-weight: 800;
  color: var(--yellow);
}

.page-about .about-milestone__body details[open] summary::before {
  content: "－";
}

.page-about .about-milestone__detail {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(244, 247, 251, 0.14);
}

.page-about .about-milestone__detail p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.68;
  color: rgba(244, 247, 251, 0.82);
}

.page-about .about-milestone__body details[open] .about-milestone__detail {
  animation: wl-about-expand 0.35s var(--ease);
}

.page-about .about-milestones__figure {
  margin-top: 2.5rem;
}

.page-about .about-milestones .about-figure {
  border-color: rgba(244, 247, 251, 0.18);
}

.page-about .about-milestones .about-figure__caption {
  background: var(--mid);
  color: rgba(244, 247, 251, 0.72);
  border-top-color: rgba(244, 247, 251, 0.12);
}

.page-about .about-philosophy {
  border-top: 6px solid var(--orange);
}

.page-about .about-philosophy__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 2.25rem;
}

.page-about .about-philosophy__principles {
  display: grid;
  gap: 1rem;
}

.page-about .about-principle {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  column-gap: 1.125rem;
  align-items: start;
  border: 2px solid var(--ink);
  border-left: 6px solid var(--orange);
  background: rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-hard);
  padding: 1.25rem 1.375rem;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .about-principle:hover,
.page-about .about-principle:focus-within {
  transform: translateY(-2px);
  box-shadow: 10px 10px 0 rgba(255, 107, 53, 0.32);
}

.page-about .about-principle__num {
  font-size: 2.375rem;
  font-weight: 900;
  font-style: italic;
  line-height: 1;
  color: var(--orange);
  grid-row: span 2;
}

.page-about .about-principle h3 {
  font-size: 1.125rem;
  margin: 0;
  color: var(--ink);
}

.page-about .about-principle p {
  margin: 0.375rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(35, 48, 64, 0.84);
}

.page-about .about-philosophy__vision {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--mid);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  color: var(--cloud);
  padding: 1.75rem;
}

.page-about .about-philosophy__vision p {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(244, 247, 251, 0.92);
}

.page-about .about-philosophy__link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  align-self: flex-start;
  border: 2px solid var(--orange);
  background: transparent;
  color: var(--cloud);
  padding: 0.75rem 1.375rem;
  font-size: 0.9375rem;
  font-weight: 800;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-philosophy__link:hover,
.page-about .about-philosophy__link:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--deep);
  outline: none;
}

.page-about .about-philosophy__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.page-about .about-philosophy__figure {
  margin-top: 2.5rem;
}

.page-about .about-trust {
  position: relative;
  background: var(--deep);
  color: var(--cloud);
  overflow: hidden;
  padding: 4rem 0;
}

.page-about .about-trust::after {
  content: "";
  position: absolute;
  right: -5rem;
  bottom: -5rem;
  width: 15rem;
  height: 15rem;
  border: 2rem solid var(--yellow);
  transform: rotate(22deg);
  opacity: 0.85;
  pointer-events: none;
}

.page-about .about-trust__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
}

.page-about .about-trust__promise h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3vw, 2.375rem);
  color: var(--cloud);
}

.page-about .about-trust__promise > p {
  margin: 0;
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(244, 247, 251, 0.82);
}

.page-about .about-trust__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 2rem;
}

.page-about .about-trust__stat {
  border: 2px solid rgba(244, 247, 251, 0.12);
  background: rgba(22, 35, 82, 0.6);
  padding: 1rem 1.125rem;
}

.page-about .about-trust__stat strong {
  display: block;
  font-size: clamp(1.625rem, 4vw, 2.25rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--yellow);
}

.page-about .about-trust__stat span {
  display: block;
  margin-top: 0.4375rem;
  font-size: 0.8125rem;
  color: rgba(244, 247, 251, 0.7);
}

.page-about .about-trust__links {
  display: grid;
  gap: 0.75rem;
}

.page-about .about-trust__link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 0.25rem 1rem;
  border: 2px solid rgba(244, 247, 251, 0.14);
  background: rgba(22, 35, 82, 0.72);
  color: var(--cloud);
  text-decoration: none;
  padding: 1.125rem 1.375rem;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .about-trust__link strong {
  font-size: 1.0625rem;
  color: var(--cloud);
}

.page-about .about-trust__link span {
  font-size: 0.875rem;
  color: rgba(244, 247, 251, 0.72);
}

.page-about .about-trust__link::after {
  content: "→";
  grid-column: 2;
  grid-row: 1 / -1;
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--orange);
}

.page-about .about-trust__link:hover,
.page-about .about-trust__link:focus-visible {
  border-color: var(--orange);
  background: var(--mid);
  transform: translateX(4px);
  outline: none;
}

@keyframes wl-about-expand {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 768px) {
  .page-about .about-milestone {
    flex: 0 0 44%;
  }
  .page-about .about-philosophy__principles {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .page-about .about-trust__stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    display: grid;
    grid-template-columns: 3fr 1.05fr;
    gap: 2.5rem;
    align-items: end;
  }
  .page-about .about-hero__side {
    margin-bottom: 0.25rem;
  }
  .page-about .about-chapter {
    grid-template-columns: 7.5rem 1fr;
    gap: 2.75rem;
    padding: 4.5rem 0;
  }
  .page-about .about-chapter__num {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 4.75rem;
    letter-spacing: 0.05em;
    line-height: 1;
    position: sticky;
    top: 2rem;
    align-self: start;
    height: auto;
    padding-top: 0.25rem;
  }
  .page-about .about-origin__grid {
    row-gap: 2.25rem;
  }
  .page-about .about-origin__figure {
    margin-top: 0;
  }
  .page-about .about-timeline {
    padding-bottom: 2.5rem;
  }
  .page-about .about-milestone {
    flex: 0 0 30%;
  }
  .page-about .about-milestones__figure {
    margin-top: 3rem;
  }
  .page-about .about-philosophy__grid {
    grid-template-columns: 2fr 1fr;
    gap: 2.25rem;
  }
  .page-about .about-philosophy__figure {
    margin-top: 3rem;
  }
  .page-about .about-trust__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
    align-items: center;
  }
}

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