.page-about {
  --about-gutter: clamp(16px, 4vw, 44px);
  position: relative;
  background:
    radial-gradient(1200px 620px at 84% -8%, rgba(36, 26, 61, 0.55), transparent 62%),
    radial-gradient(900px 520px at 4% 16%, rgba(18, 54, 46, 0.62), transparent 64%),
    var(--ink);
  color: var(--paper);
}

.page-about .about-hero {
  padding: clamp(26px, 5vw, 60px) 0 clamp(22px, 3vw, 36px);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-hero .breadcrumb {
  margin-bottom: 20px;
}

.page-about .about-hero .eyebrow {
  display: inline-block;
  margin: 0;
}

.page-about .about-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 7vw, 84px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  max-width: 15ch;
  text-wrap: balance;
}

.page-about .about-hero .lede {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 64ch;
  color: var(--mist);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
}

.page-about .about-board {
  margin: clamp(26px, 4vw, 42px) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-top: 2px solid var(--lime);
  border-radius: 2px;
  background: rgba(12, 31, 24, 0.74);
  overflow: hidden;
}

.page-about .about-board > div {
  padding: 14px 14px 18px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-board > div:nth-child(2n) {
  border-right: 0;
}

.page-about .about-board > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-about .about-board dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-about .about-board dd {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--lime);
}

.page-about .about-board dd span {
  margin-left: 4px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--mist);
  letter-spacing: 0;
}

.page-about .about-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 38px);
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(44px, 7vw, 92px);
}

.page-about .about-toc__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-about .about-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-toc__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-toc__list a:hover,
.page-about .about-toc__list a:focus-visible {
  color: var(--paper);
  border-color: var(--mist);
}

.page-about .about-toc__n {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--lime);
  letter-spacing: 0.08em;
}

.page-about .about-block {
  padding: clamp(28px, 5vw, 54px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-stream > .about-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: end;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-about .about-block__no {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 74px);
  font-weight: 800;
  line-height: 0.74;
  letter-spacing: -0.03em;
  color: var(--lime);
  opacity: 0.34;
}

.page-about .about-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.page-about .about-block__grid {
  display: grid;
  gap: 22px;
}

.page-about .about-block__main > p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-about .about-points {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-points li {
  padding: 12px 15px;
  background: rgba(18, 54, 46, 0.55);
  border-left: 2px solid var(--lime);
  border-radius: 2px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper);
}

.page-about .about-points strong {
  display: inline-block;
  margin-right: 8px;
  color: var(--lime);
  font-weight: 700;
}

.page-about .about-note {
  padding: 6px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  backdrop-filter: blur(8px);
  align-self: start;
}

.page-about .about-note__body {
  background: var(--panel);
  border-radius: var(--r-s);
  padding: 16px;
}

.page-about .about-note__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-about .about-note__body p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

.page-about .about-figure {
  position: relative;
  margin: clamp(22px, 4vw, 38px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.04);
}

.page-about .about-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(7, 16, 12, 0) 0 3px,
    rgba(7, 16, 12, 0.22) 3px 4px
  );
}

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

.page-about .about-flow li {
  padding: 16px 16px 18px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--lime);
  border-radius: 2px;
}

.page-about .about-flow__idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-about .about-flow h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--paper);
}

.page-about .about-flow p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-diagram {
  margin: 20px 0 0;
  padding: 0;
}

.page-about .about-svg {
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  padding: 14px 10px;
  background: linear-gradient(180deg, rgba(18, 54, 46, 0.6), rgba(7, 16, 12, 0.15));
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
}

.page-about .about-diagram figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-crew {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-crew li {
  padding: 18px;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--lime);
  border-radius: var(--r-m);
}

.page-about .about-crew li:nth-child(2) {
  border-left-color: var(--mist);
}

.page-about .about-crew li:nth-child(3) {
  border-left-color: var(--alert);
}

.page-about .about-crew li:nth-child(4) {
  border-left-color: var(--paper);
}

.page-about .about-crew__tag {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-about .about-crew h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--paper);
}

.page-about .about-crew li > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-crew li > .about-crew__meta {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-about .about-tl {
  list-style: none;
  position: relative;
  margin: 4px 0 0;
  padding: 0 0 0 28px;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--lime), var(--line) 45%, transparent);
}

.page-about .about-tl li {
  position: relative;
  margin-bottom: 12px;
}

.page-about .about-tl li:last-child {
  margin-bottom: 0;
}

.page-about .about-tl li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 20px;
  width: 14px;
  height: 2px;
  background: var(--lime);
}

.page-about .about-tl__box {
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  padding: 0 16px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-tl__box[open] {
  background: var(--panel);
  border-color: rgba(216, 255, 62, 0.42);
}

.page-about .about-tl__box summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-tl__box summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-tl__box[open] summary::after {
  content: "−";
}

.page-about .about-tl__year {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-about .about-tl__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--paper);
}

.page-about .about-tl__box p {
  margin: 0;
  padding: 12px 0 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-next {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-next a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 118px;
  padding: 18px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-about .about-next a:hover,
.page-about .about-next a:focus-visible {
  background: var(--panel);
  border-color: var(--lime);
  transform: translateY(-2px);
}

.page-about .about-next__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-about .about-next__title {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-about .about-next__arrow {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--lime);
}

.page-about .about-tail {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 700px) {
  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .about-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-about .about-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-board > div {
    border-bottom: 0;
  }

  .page-about .about-board > div:nth-child(2n) {
    border-right: 1px solid var(--line-soft);
  }

  .page-about .about-board > div:last-child {
    border-right: 0;
  }
}

@media (min-width: 820px) {
  .page-about .about-block__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 40px);
    align-items: start;
  }

  .page-about .about-crew {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-crew li:nth-child(2n) {
    margin-top: 32px;
  }
}

@media (min-width: 960px) {
  .page-about .about-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
    padding-top: 48px;
  }

  .page-about .about-toc__inner {
    position: sticky;
    top: 118px;
  }

  .page-about .about-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-toc__list a {
    display: flex;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 1px solid var(--line-soft);
    border-radius: 0;
    white-space: normal;
    font-size: 14px;
  }

  .page-about .about-toc__list a:hover,
  .page-about .about-toc__list a:focus-visible {
    border-left-color: var(--mist);
    border-color: transparent;
    border-left-color: var(--mist);
  }

  .page-about .about-toc__list a[aria-current="true"] {
    color: var(--lime);
    border-left-color: var(--lime);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-next a,
  .page-about .about-toc__list a,
  .page-about .about-tl__box {
    transition: none;
  }

  .page-about .about-next a:hover,
  .page-about .about-next a:focus-visible {
    transform: none;
  }
}
<<<END>>>