.page-about {
  --about-axis: 1px;
  --about-gap: clamp(1.25rem, 2.6vw, 2.25rem);
}

.page-about .about-crumbs {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-about .about-open {
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-about .about-open__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  align-items: stretch;
}

.page-about .about-open__title {
  margin: 0.75rem 0 1.15rem;
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: 0.05em;
  color: var(--mist);
  max-width: 18ch;
}

.page-about .about-open__lead {
  margin: 0 0 1rem;
  font-size: clamp(0.95rem, 1.7vw, 1.06rem);
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.86;
  max-width: 46ch;
}

.page-about .about-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 2.25rem;
  margin: 1.9rem 0 0;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--line);
}

.page-about .about-facts__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 7.5rem;
}

.page-about .about-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  color: var(--amber-soft);
  letter-spacing: 0.02em;
}

.page-about .about-facts__label {
  font-size: 0.8rem;
  color: var(--slate);
  letter-spacing: 0.04em;
}

.page-about .about-open__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-about .about-open__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  opacity: 0.92;
}

.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-origin__head {
  border-left: 2px solid var(--amber);
  padding-left: 1.1rem;
}

.page-about .about-origin__body .about-link,
.page-about .about-link {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: var(--cyan-deep);
  text-underline-offset: 0.22em;
  transition: color 0.25s var(--ease), text-decoration-color 0.25s var(--ease);
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--amber-soft);
  text-decoration-color: var(--amber);
}

.page-about .about-origin__aside {
  padding: 1.5rem 1.4rem;
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}

.page-about .about-vertnote {
  writing-mode: vertical-rl;
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.34em;
  color: var(--slate);
  text-transform: uppercase;
  flex: none;
}

.page-about .about-origin__aside-text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.82;
}

.page-about .about-versions__head {
  max-width: 62ch;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.6rem);
}

.page-about .about-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.25rem;
}

.page-about .about-jump__link {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .about-jump__link:hover,
.page-about .about-jump__link:focus-visible {
  border-color: var(--cyan);
  color: var(--ink-900);
  background: var(--cyan);
}

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

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 2.5rem 1.75rem;
  scroll-margin-top: 6rem;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 1.1rem;
  bottom: 0;
  width: var(--about-axis);
  background: linear-gradient(180deg, var(--line), rgba(94, 122, 114, 0));
}

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

.page-about .about-timeline__item:last-child::before {
  display: none;
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(242, 184, 75, 0.14);
  transition: box-shadow 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-about .about-timeline__item:hover::after,
.page-about .about-timeline__item:focus-within::after {
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(55, 230, 208, 0.16);
}

.page-about .about-timeline__stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
  margin: 0 0 0.7rem;
}

.page-about .about-timeline__issue {
  font-size: 0.82rem;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.page-about .about-timeline__when {
  font-size: 0.76rem;
  color: var(--slate);
  letter-spacing: 0.05em;
}

.page-about .about-timeline__panel {
  padding: clamp(1.15rem, 2.4vw, 1.6rem);
}

.page-about .about-timeline__panel .card__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .about-timeline__hint {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--sage);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-timeline__item:hover .about-timeline__hint {
  opacity: 1;
  transform: translateY(0);
}

.page-about .about-versions__figure {
  margin: clamp(1.75rem, 3.5vw, 2.75rem) 0 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-team__head {
  max-width: 58ch;
}

.page-about .about-team__roles {
  display: grid;
  gap: 0.7rem;
}

.page-about .about-role {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .about-role[open] {
  border-color: var(--cyan-deep);
  background: var(--ink-700);
}

.page-about .about-role__summary {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-md);
}

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

.page-about .about-role__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .about-role__count {
  font-size: 1.05rem;
  color: var(--amber-soft);
  min-width: 1.4rem;
}

.page-about .about-role__name {
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  flex: 1;
}

.page-about .about-role__chev {
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.3s var(--ease);
}

.page-about .about-role[open] .about-role__chev {
  transform: rotate(-135deg) translateY(-2px);
}

.page-about .about-role__body {
  padding: 0 1.1rem 1.15rem 3.35rem;
}

.page-about .about-role__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.84;
}

.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink-800);
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

.page-about .about-reach__head {
  max-width: 60ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-about .about-reach__tiles {
  align-items: stretch;
}

.page-about .about-reach__tile {
  padding: clamp(1.15rem, 2.4vw, 1.6rem);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-about .about-reach__tag {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--sage);
}

.page-about .about-reach__tile .card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .about-reach__tile .card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.82;
}

.page-about .about-reach__list {
  list-style: none;
  margin: 0.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.page-about .about-reach__list li {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.86rem;
  color: var(--mist);
  opacity: 0.85;
}

.page-about .about-reach__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
  border-radius: 50%;
}

.page-about .about-rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-rhythm__head {
  max-width: 52ch;
}

.page-about .about-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-rhythm__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.45rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-rhythm__cycle {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-about .about-rhythm__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .about-rhythm__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.82;
  max-width: 62ch;
}

.page-about .about-recognition__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-recognition__card {
  padding: clamp(1.35rem, 3vw, 2rem);
}

.page-about .about-recognition__title {
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  margin: 0.5rem 0 0.85rem;
}

.page-about .about-recognition__next {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-about .about-recognition__note {
  color: var(--sage);
}

.page-about .about-recognition__next-text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.84;
}

.page-about .about-recognition__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (min-width: 720px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-origin__head {
    grid-column: 1 / -1;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-team__head {
    grid-column: 1 / -1;
  }

  .page-about .about-rhythm__item {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }

  .page-about .about-rhythm__cycle {
    padding-top: 0.15rem;
  }
}

@media (min-width: 900px) {
  .page-about .about-open__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-about .about-open__figure img {
    min-height: 380px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    column-gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-about .about-origin__aside {
    flex-direction: row;
    padding: 1.75rem 1.5rem;
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 10.5rem minmax(0, 1fr);
    column-gap: clamp(1.5rem, 3vw, 2.75rem);
    padding: 0 0 3rem 2.25rem;
  }

  .page-about .about-timeline__item::before {
    left: 5px;
  }

  .page-about .about-timeline__item::after {
    top: 0.55rem;
  }

  .page-about .about-timeline__stamp {
    grid-column: 1;
    grid-row: 1;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.3rem;
    margin: 0;
    padding-top: 0.2rem;
    text-align: right;
  }

  .page-about .about-timeline__panel {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-timeline__hint {
    grid-column: 2;
    grid-row: 2;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    column-gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-about .about-recognition__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    column-gap: clamp(2rem, 4vw, 3.5rem);
    align-items: center;
  }

  .page-about .about-recognition__next {
    border-left: 1px solid var(--line);
    padding-left: clamp(1.5rem, 3vw, 2.25rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-link,
  .page-about .about-jump__link,
  .page-about .about-timeline__item::after,
  .page-about .about-timeline__hint,
  .page-about .about-role,
  .page-about .about-role__chev {
    transition: none;
  }

  .page-about .about-timeline__hint {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>