.page-about {
  --about-rail-w: 15.5rem;
  --about-pad: clamp(1.6rem, 5vw, 3.2rem);
  position: relative;
  overflow-x: hidden;
  color: var(--paper);
  background:
    radial-gradient(90% 42% at 88% 0%, rgba(56, 225, 198, .07), transparent 62%),
    radial-gradient(70% 40% at 2% 28%, rgba(139, 127, 212, .09), transparent 66%),
    var(--void);
}

.page-about .about-hero {
  position: relative;
  padding: clamp(.6rem, 2vw, 1.2rem) 0 clamp(1.8rem, 5vw, 3.2rem);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: -3rem;
  right: -12%;
  width: min(62%, 34rem);
  height: 140%;
  background: linear-gradient(152deg, rgba(201, 162, 39, .17), rgba(56, 225, 198, .10) 46%, rgba(10, 18, 48, 0) 76%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 70%);
  pointer-events: none;
}

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

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.6rem);
}

.page-about .about-hero-copy {
  position: relative;
}

.page-about .about-hero-kicker {
  display: inline-block;
  margin: 0 0 .95rem;
  padding: .35rem .7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 27, 62, .72);
  Font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--neon);
}

.page-about .about-hero-title {
  margin: 0 0 1.1rem;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.8rem, 5.4vw, 3.2rem);
  line-height: 1.2;
  color: var(--paper);
}

.page-about .about-hl {
  background-image: linear-gradient(180deg, transparent 64%, rgba(201, 162, 39, .38) 64%);
  background-repeat: no-repeat;
}

.page-about .about-hero-lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.7vw, 1.08rem);
  line-height: 1.92;
  color: rgba(244, 240, 230, .86);
}

.page-about .about-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero-note {
  display: none;
}

.page-about .about-hero-figure {
  position: relative;
  margin: 0;
  padding: .55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-2);
}

.page-about .about-hero-figure::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2.4rem;
  height: 2.4rem;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius) 0 0 0;
  pointer-events: none;
}

.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
  filter: saturate(.94) contrast(1.04);
}

.page-about .about-hero-figure figcaption {
  padding: .6rem .3rem .2rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-layout {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 0;
}

.page-about .about-layout > * {
  min-width: 0;
}

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

.page-about .about-rail-head {
  display: block;
  margin: 0 0 .65rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-about .about-rail-list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: 0 0 .45rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-about .about-rail-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  flex: 0 0 auto;
  padding: .55rem .8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 27, 62, .72);
  color: var(--paper);
  font-size: .85rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.page-about .about-rail-link:hover {
  border-color: var(--neon);
  color: var(--neon);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.page-about .about-rail-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-color: var(--neon);
  color: var(--neon);
}

.page-about .about-rail-link[aria-current="true"] {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-about .about-rail-no {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--mist);
  transition: color .2s ease;
}

.page-about .about-rail-link:hover .about-rail-no,
.page-about .about-rail-link[aria-current="true"] .about-rail-no {
  color: var(--gold);
}

.page-about .about-rail-hint {
  display: none;
}

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

.page-about .about-chapter {
  position: relative;
  padding: clamp(1.7rem, 4vw, 2.6rem) 0;
  scroll-margin-top: 6.5rem;
}

.page-about .about-chapter + .about-chapter {
  border-top: 1px solid var(--line);
}

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

.page-about .about-chapter-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .9rem;
  margin-bottom: 1.1rem;
}

.page-about .about-chapter-head > div {
  min-width: 0;
}

.page-about .about-chapter-no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.6vw, 2.8rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
  opacity: .88;
}

.page-about .about-chapter-kicker {
  margin: 0 0 .25rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-about .about-chapter-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.22rem, 2.8vw, 1.7rem);
  line-height: 1.4;
  color: var(--paper);
}

.page-about .about-copy {
  margin: 0 0 1rem;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(244, 240, 230, .86);
}

.page-about .about-pull {
  margin: 1.4rem 0 0;
  padding: .25rem 0 .25rem 1rem;
  border-left: 2px solid var(--gold);
  max-width: 56ch;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.14rem);
  line-height: 1.8;
  color: var(--paper);
}

.page-about .about-figure {
  margin: 1.5rem 0 0;
  padding: .5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 27, 62, .7);
  box-shadow: var(--shadow-1);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 2px;
}

.page-about .about-figure figcaption {
  padding: .6rem .3rem .2rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .repass-list {
  display: grid;
  gap: .9rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .repass-card {
  position: relative;
  overflow: hidden;
  padding: 1.15rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 27, 62, .96), rgba(10, 18, 48, .96));
  box-shadow: var(--shadow-1);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.page-about .repass-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1.6rem;
  height: 1.6rem;
  background: linear-gradient(225deg, var(--gold) 0 50%, transparent 50%);
  opacity: .88;
  pointer-events: none;
}

.page-about .repass-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 225, 198, .5);
  box-shadow: var(--shadow-2);
}

.page-about .repass-batch {
  display: inline-block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--gold-lift);
}

.page-about .repass-title {
  margin: 0 0 .5rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .repass-card p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.78;
  color: rgba(244, 240, 230, .78);
}

.page-about .crew-list {
  display: grid;
  gap: .85rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .crew-card {
  padding: 1rem 1.05rem 1.05rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 27, 62, .66);
  transition: border-color .22s ease, border-left-color .22s ease, transform .22s ease, background .22s ease;
}

.page-about .crew-card:hover {
  border-left-color: var(--neon);
  background: rgba(17, 27, 62, .95);
  transform: translateY(-2px);
}

.page-about .crew-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .5rem;
}

.page-about .crew-name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .crew-freq {
  flex: 0 0 auto;
  padding: .18rem .6rem;
  border: 1px solid rgba(56, 225, 198, .42);
  border-radius: 999px;
  background: rgba(56, 225, 198, .08);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--neon);
  white-space: nowrap;
  transition: background .22s ease;
}

.page-about .crew-card:hover .crew-freq {
  background: rgba(56, 225, 198, .2);
}

.page-about .crew-desc {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(244, 240, 230, .78);
}

.page-about .scope-grid {
  display: grid;
  gap: .9rem;
  margin: 1.3rem 0 1.3rem;
}

.page-about .scope-card {
  padding: 1rem 1.05rem 1.1rem;
  border-top: 2px solid var(--gold);
  border-radius: 0 0 var(--radius) var(--radius);
  background: rgba(17, 27, 62, .62);
  transition: background .22s ease, transform .22s ease;
}

.page-about .scope-card:hover {
  background: rgba(17, 27, 62, .92);
  transform: translateY(-2px);
}

.page-about .scope-title {
  margin: 0 0 .5rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--neon);
}

.page-about .scope-card p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.78;
  color: rgba(244, 240, 230, .78);
}

.page-about .fact-strip {
  display: grid;
  gap: .9rem;
  margin-top: 1.4rem;
  padding: 1.05rem 1.1rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(10, 18, 48, .66);
}

.page-about .fact-cell {
  display: flex;
  flex-direction: column;
  gap: .28rem;
}

.page-about .fact-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold);
}

.page-about .fact-label {
  font-size: .78rem;
  line-height: 1.55;
  color: var(--mist);
}

.page-about .record-card {
  display: grid;
  gap: 1rem;
  margin-top: 1.2rem;
  padding: 1.1rem 1.15rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 27, 62, .9), rgba(10, 18, 48, .9));
  box-shadow: var(--shadow-1);
}

.page-about .record-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
}

.page-about .record-note {
  margin: 0;
  padding-left: .9rem;
  border-left: 2px solid var(--violet);
  font-size: .84rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-next {
  margin-top: clamp(2rem, 5vw, 3.2rem);
  padding-top: clamp(1.4rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}

.page-about .about-next-title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  color: var(--paper);
}

.page-about .about-next-list {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-next-link {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: .95rem 1.05rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(17, 27, 62, .58);
  text-decoration: none;
  transition: border-color .2s ease, border-left-color .2s ease, background .2s ease, transform .2s ease;
}

.page-about .about-next-link:hover {
  border-left-color: var(--neon);
  border-color: rgba(56, 225, 198, .45);
  background: rgba(17, 27, 62, .95);
  transform: translateX(3px);
}

.page-about .about-next-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-left-color: var(--neon);
  background: rgba(17, 27, 62, .95);
}

.page-about .about-next-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--neon);
}

.page-about .about-next-desc {
  font-size: .82rem;
  line-height: 1.62;
  color: var(--mist);
}

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

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

  .page-about .fact-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .6rem 1rem;
  }

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

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

  .page-about .repass-card:nth-child(2) {
    margin-top: 1.1rem;
  }

  .page-about .repass-card:nth-child(3) {
    margin-top: 2.2rem;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 6.2rem;
  }

  .page-about .about-rail-list {
    flex-direction: column;
    gap: .45rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-rail-link {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    gap: .1rem .6rem;
    width: 100%;
    flex: none;
    white-space: normal;
  }

  .page-about .about-rail-hint {
    display: block;
    grid-column: 1 / -1;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    font-size: .74rem;
    line-height: 1.65;
    color: var(--mist);
    transition: max-height .28s ease, opacity .28s ease;
  }

  .page-about .about-rail-link:hover .about-rail-hint,
  .page-about .about-rail-link:focus-visible .about-rail-hint,
  .page-about .about-rail-link[aria-current="true"] .about-rail-hint {
    max-height: 5.5rem;
    opacity: 1;
  }

  .page-about .about-flow::before {
    content: "";
    position: absolute;
    left: -1.55rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--line) 6%, var(--line) 94%, transparent);
    pointer-events: none;
  }
}

@media (min-width: 1280px) {
  .page-about .about-hero-note {
    display: block;
    position: absolute;
    top: 3.6rem;
    right: -1.85rem;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: .66rem;
    letter-spacing: .3em;
    color: var(--gold);
    opacity: .72;
    pointer-events: none;
  }
}
<<<END>>>