.page-about {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-about .breadcrumb {
  padding-top: 20px;
  padding-bottom: 12px;
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .about-rail__sticky {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .about-rail__title {
  margin: 0;
  font-size: clamp(34px, 7.6vw, 68px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-about .about-rail__note {
  margin: 0;
  max-width: 32ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .about-rail__rotate {
  display: none;
}

@media (min-width: 900px) {
  .page-about .about-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-rail__sticky {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    padding-right: 8px;
  }

  .page-about .about-rail__rotate {
    display: block;
    margin-top: 24px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.34em;
    color: var(--ink-500);
    text-transform: uppercase;
    transition: color 200ms var(--ease);
  }

  .page-about .about-rail__rotate:hover {
    color: var(--cyan);
  }
}

.page-about .about-body {
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 8vw, 104px);
  min-width: 0;
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-hero {
  display: grid;
  gap: 20px;
}

.page-about .about-hero__figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .about-sec {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  min-width: 0;
}

.page-about .about-sec__head {
  display: grid;
  gap: 10px;
}

.page-about .about-sec > p {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.78;
  color: var(--paper);
}

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

.page-about .about-aud > li {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink-500);
  border-radius: 4px var(--radius) var(--radius) 4px;
  transition: border-color 200ms var(--ease);
}

.page-about .about-aud > li:hover,
.page-about .about-aud > li:focus-within {
  border-left-color: var(--cyan);
}

.page-about .about-aud h3 {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-about .about-aud p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

@media (min-width: 1120px) {
  .page-about .about-aud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-aud > li:nth-child(2) {
    margin-top: clamp(16px, 3vw, 40px);
  }

  .page-about .about-aud > li:nth-child(3) {
    grid-column: 1 / -1;
    margin-right: clamp(0px, 10%, 110px);
  }
}

.page-about .about-team__figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .about-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-about .about-team__list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-team__list > li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-about .about-team__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  min-width: 2.2ch;
}

.page-about .about-team__list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-team__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}

.page-about .about-flow {
  position: relative;
}

.page-about .about-flow__rail {
  display: none;
}

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

.page-about .about-flow__step {
  position: relative;
  padding-top: 18px;
  border-top: 2px solid var(--ink-500);
}

.page-about .about-flow__step::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
}

.page-about .about-flow__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .about-flow__step h3 {
  margin: 6px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

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

@media (min-width: 720px) {
  .page-about .about-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 24px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-flow__rail {
    display: block;
    position: absolute;
    inset: 0 0 auto 0;
    width: 100%;
    height: 52px;
    pointer-events: none;
  }

  .page-about .about-flow__rail polyline {
    fill: none;
    stroke: var(--ink-500);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 7 9;
  }

  .page-about .about-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    padding-top: 70px;
  }
}

.page-about .about-ver__figure {
  max-width: 300px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .about-ver {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-about .about-ver > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-ver > li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-about .about-ver__idx {
  font-family: var(--font-mono);
  font-size: clamp(34px, 6vw, 68px);
  line-height: 0.92;
  font-variant-numeric: tabular-nums;
  color: var(--ink-500);
  min-width: 2.2ch;
  transition: color 200ms var(--ease);
}

.page-about .about-ver > li:hover .about-ver__idx,
.page-about .about-ver > li.is-current .about-ver__idx {
  color: var(--cyan);
}

.page-about .about-ver h3 {
  margin: 4px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-ver p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}

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

.page-about .about-partner__stats > li {
  padding: 16px 18px;
  background: var(--ink-900);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-about .about-partner__stats span {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-about .about-partner__stats p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--muted);
}

@media (min-width: 720px) {
  .page-about .about-partner__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-about .about-next {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-about .about-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-next__list a {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-about .about-next__list a:hover,
.page-about .about-next__list a:focus-visible {
  border-color: var(--cyan);
  background: rgba(34, 240, 200, 0.06);
}

.page-about .about-next__list strong {
  font-size: 16px;
  font-weight: 700;
}

.page-about .about-next__list span {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none;
  }
}
<<<END>>>