.page-about {
  --about-rule: rgba(55, 240, 206, 0.1);
  --about-pad: clamp(18px, 4vw, 48px);
  --about-sticky: calc(var(--header-h) + 20px);
  position: relative;
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--bone);
  font-family: var(--font-body);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, var(--about-rule) 1px, transparent 1px),
    linear-gradient(to bottom, var(--about-rule) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
}

.page-about .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-about .about-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(16px, 3vw, 34px);
  align-items: start;
}

.page-about .about-kicker {
  display: inline-block;
  margin: 0;
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-pill);
  background: rgba(55, 240, 206, 0.07);
}

.page-about .about-hero__title {
  margin: 16px 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--bone);
}

.page-about .about-hero__lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 2px solid var(--line-cyan);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-lg);
}

.page-about .about-hero__figure figcaption {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-about .about-figures {
  margin-bottom: clamp(32px, 6vw, 64px);
}

.page-about .about-kpi {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.page-about .about-kpi__item {
  padding: 16px 18px 18px;
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(11, 58, 49, 0.72);
  min-width: 0;
}

.page-about .about-kpi__item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-about .about-kpi__item dd {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 0;
}

.page-about .about-kpi__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--orange);
}

.page-about .about-kpi__unit {
  font-size: 12px;
  color: var(--mist);
}

.page-about .about-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .about-rail {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
  min-width: 0;
}

.page-about .about-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-about .about-rail__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 135, 148, 0.22);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-about .about-rail__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-about .about-rail__list a:hover,
.page-about .about-rail__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-about .about-rail__note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

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

.page-about .about-section {
  padding-top: clamp(22px, 3.4vw, 34px);
  margin-bottom: clamp(34px, 5vw, 58px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .about-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-about .about-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-about .about-section__index {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 30px);
  line-height: 1;
  color: rgba(55, 240, 206, 0.42);
}

.page-about .about-section h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-about .about-section p {
  max-width: 62ch;
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-about .about-section p:target {
  background: rgba(55, 240, 206, 0.1);
  border-left: 3px solid var(--cyan);
  padding-left: 14px;
  margin-left: -17px;
}

.page-about .filter-bar {
  margin: 20px 0 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .filter-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-about .about-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 1px solid var(--line-cyan);
}

.page-about .timeline-item {
  position: relative;
  padding-bottom: 24px;
}

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

.page-about .timeline-item__dot {
  position: absolute;
  left: -32px;
  top: 5px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink-900);
}

.page-about .timeline-item__meta {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .timeline-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-about .timeline-item p {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-pull {
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid rgba(255, 138, 61, 0.42);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(255, 138, 61, 0.07);
}

.page-about .about-pull p {
  margin: 0 0 10px;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bone);
}

.page-about .about-pull__link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

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

.page-about .about-steps {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-step {
  padding: 18px 20px 20px;
  border: 2px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--surface-1);
  box-shadow: var(--shadow-hard);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-about .about-step:hover {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
}

.page-about .about-step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-about .about-step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-about .about-step p {
  margin: 0;
  max-width: none;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-figure {
  margin: 22px 0;
  min-width: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 2px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-about .about-figure figcaption {
  margin-top: 12px;
  padding-left: 13px;
  border-left: 3px solid var(--cyan);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .about-roles {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-about .role-card {
  padding: 18px 20px 20px;
  border: 2px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--surface-2);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-about .role-card:hover,
.page-about .role-card:focus-within {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
}

.page-about .role-card--accent {
  border-color: rgba(255, 138, 61, 0.55);
  background: rgba(90, 30, 53, 0.34);
}

.page-about .role-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-about .role-card__head h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-about .role-card__count {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--orange);
  white-space: nowrap;
}

.page-about .role-card__desc {
  margin: 10px 0 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .role-card__detail {
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .role-card__detail li {
  position: relative;
  padding-left: 15px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-about .role-card__detail li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-about .role-card__hint {
  display: none;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-about .about-reach {
  display: grid;
  gap: 20px;
  margin-top: 22px;
  align-items: center;
}

.page-about .reach-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .reach-list li {
  display: flex;
  gap: 13px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .reach-list__tag {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  padding-top: 3px;
}

.page-about .reach-list h3 {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-about .reach-list p {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-principles {
  margin-top: 22px;
  padding: clamp(20px, 3.6vw, 34px);
  border: 2px solid rgba(247, 250, 247, 0.2);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(90, 30, 53, 0.96) 0%, rgba(37, 27, 77, 0.9) 52%, rgba(6, 41, 31, 0.96) 100%);
  box-shadow: var(--shadow-hard-lg);
}

.page-about .about-principles__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--bone);
}

.page-about .principle-list {
  display: grid;
  gap: 16px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .principle {
  padding-left: 14px;
  border-left: 2px solid var(--lime);
}

.page-about .principle h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-about .principle p {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-principles__foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(247, 250, 247, 0.22);
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bone);
}

.page-about .about-next {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-about .next-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 2px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--surface-1);
  box-shadow: var(--shadow-hard);
  color: var(--bone);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.page-about .next-card:hover,
.page-about .next-card:focus-visible {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-lg);
  outline: none;
}

.page-about .next-card__tag {
  align-self: flex-start;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-900);
  background: var(--cyan);
  border-radius: var(--radius);
}

.page-about .next-card h3 {
  margin: 4px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-about .next-card p {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .next-card__go {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

@media (min-width: 700px) {
  .page-about .about-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-kpi {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 700px) and (hover: hover) and (min-width: 700px) {
  .page-about .role-card__hint {
    display: block;
  }

  .page-about .role-card__detail {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.22s ease, opacity 0.18s ease, margin-top 0.22s ease;
  }

  .page-about .role-card:hover .role-card__detail,
  .page-about .role-card:focus-within .role-card__detail {
    max-height: 260px;
    margin-top: 12px;
    opacity: 1;
  }
}

@media (min-width: 760px) {
  .page-about .about-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .principle-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 880px) {
  .page-about .about-reach {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 28px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(32px, 4vw, 56px);
    padding-top: 40px;
  }

  .page-about .about-hero__figure {
    margin-top: 30px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-rail {
    position: sticky;
    top: var(--about-sticky);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-step,
  .page-about .role-card,
  .page-about .next-card,
  .page-about .about-rail__list a,
  .page-about .role-card__detail {
    transition: none;
  }

  .page-about .about-step:hover,
  .page-about .role-card:hover,
  .page-about .role-card:focus-within,
  .page-about .next-card:hover,
  .page-about .next-card:focus-visible {
    transform: none;
  }
}
<<<END>>>