.page-about {
  background-color: var(--ink-900);
  background-image:
    linear-gradient(rgba(56, 242, 208, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 242, 208, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
  color: var(--cream);
  overflow-x: clip;
  padding-bottom: clamp(48px, 9vw, 110px);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: clamp(16px, 3vw, 28px) 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-about .breadcrumb__item {
  color: var(--mist);
  text-decoration: none;
}

.page-about a.breadcrumb__item:hover,
.page-about a.breadcrumb__item:focus-visible {
  color: var(--cyan);
}

.page-about .breadcrumb__item[aria-current="page"] {
  color: var(--cream);
}

.page-about .about-hero {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
  padding: clamp(20px, 4vw, 40px) 0 clamp(32px, 5vw, 60px);
  border-bottom: 1px solid rgba(169, 199, 191, 0.2);
}

.page-about .about-hero__eyebrow {
  margin: 0;
  color: var(--amber);
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 8vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--cream);
  max-width: 14em;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 640px;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-hero__index {
  list-style: none;
  margin: clamp(10px, 2vw, 18px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 640px) {
  .page-about .about-hero__index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 4vw, 48px);
  }
}

.page-about .about-hero__index li {
  border-top: 1px solid rgba(169, 199, 191, 0.2);
}

.page-about .about-hero__index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 2px;
  color: var(--cream);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-about .about-hero__index a:hover,
.page-about .about-hero__index a:focus-visible {
  color: var(--cyan);
  padding-left: 8px;
}

.page-about .about-hero__idx {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 5vw, 56px);
}

@media (min-width: 960px) {
  .page-about .about-body {
    grid-template-columns: 196px minmax(0, 1fr);
    column-gap: clamp(32px, 5vw, 76px);
  }
}

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

.page-about .about-toc__title {
  margin: 0 0 12px;
  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 10px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-about .about-toc__link {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(169, 199, 191, 0.3);
  color: var(--cream);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

@media (min-width: 960px) {
  .page-about .about-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 32px);
    align-self: start;
  }

  .page-about .about-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid rgba(169, 199, 191, 0.25);
  }

  .page-about .about-toc__link {
    display: block;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    margin-left: -1px;
    padding: 9px 0 9px 16px;
    font-size: 13px;
    color: var(--mist);
    transition: color 0.2s ease, border-color 0.2s ease;
  }

  .page-about .about-toc__link:hover,
  .page-about .about-toc__link:focus-visible {
    color: var(--cyan);
    border-left-color: var(--cyan);
  }
}

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

.page-about .about-sec {
  padding: clamp(26px, 4.5vw, 52px) 0;
  border-top: 1px solid rgba(169, 199, 191, 0.18);
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

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

.page-about .about-sec__head {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 2vw, 18px);
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-about .about-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  padding-top: 0.35em;
}

.page-about .about-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 4.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-about .about-sec__sub {
  margin: clamp(20px, 3vw, 30px) 0 0.5em;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(16px, 2.4vw, 20px);
  line-height: 1.4;
  color: var(--amber);
}

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

.page-about .about-sec__text p {
  margin: 0 0 1em;
  max-width: 40em;
  font-size: clamp(14.5px, 2vw, 16px);
  line-height: 1.85;
  color: var(--cream);
}

.page-about .about-sec__text > p:first-child::first-letter {
  float: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3em;
  line-height: 0.86;
  padding: 0.08em 0.1em 0 0;
  color: var(--cyan);
}

.page-about .about-sec__note {
  margin-top: clamp(14px, 2.5vw, 20px) !important;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13.5px !important;
  line-height: 1.8 !important;
  color: var(--mist) !important;
}

.page-about .about-figure {
  margin: 0 0 clamp(20px, 3.5vw, 34px);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid rgba(169, 199, 191, 0.22);
}

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

.page-about .about-figure__cap {
  padding: 12px 16px 14px;
  border-top: 1px solid rgba(169, 199, 191, 0.18);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-about .about-figure--net {
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.page-about .about-sec__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}

@media (min-width: 860px) {
  .page-about .about-sec--split .about-sec__body {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    column-gap: clamp(24px, 4vw, 48px);
  }

  .page-about .about-sec--split .about-figure {
    margin-bottom: 0;
  }

  .page-about .about-sec--split.is-flipped .about-sec__text {
    order: 2;
  }

  .page-about .about-sec--split.is-flipped .about-figure {
    order: 1;
  }
}

.page-about .about-steps {
  list-style: none;
  margin: clamp(16px, 3vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-steps li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 13px 16px;
  border-radius: var(--r-sm);
  background: var(--ink-800);
  border-left: 3px solid var(--cyan);
  font-size: 14px;
  line-height: 1.75;
  color: var(--cream);
}

.page-about .about-steps__k {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-about .about-wall {
  margin: clamp(20px, 3.5vw, 34px) 0;
  padding: clamp(18px, 3vw, 34px);
  border-radius: var(--r-lg);
  background: var(--cream);
  color: var(--char);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.page-about .about-wall__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--paper-edge);
  border-radius: var(--r-md);
  overflow: hidden;
}

@media (min-width: 700px) {
  .page-about .about-wall__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-wall__cell {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: clamp(14px, 2.4vw, 22px);
  background: var(--cream);
}

.page-about .about-wall__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-800);
}

.page-about .about-wall__num small {
  font-family: var(--font-body);
  font-size: 0.32em;
  letter-spacing: 0.04em;
  color: var(--rust);
  margin-left: 4px;
  vertical-align: 0.35em;
}

.page-about .about-wall__label {
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.1em;
  color: rgba(26, 26, 23, 0.66);
}

.page-about .about-tiers {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  padding: 0;
}

.page-about .about-tiers li {
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(11, 33, 28, 0.26);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-800);
}

.page-about .about-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
}

.page-about .about-tags li {
  padding: 5px 13px;
  border-radius: var(--r-pill);
  background: rgba(255, 61, 127, 0.14);
  border: 1px solid rgba(255, 61, 127, 0.42);
  color: var(--rose);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-about .about-folds {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-about .about-next {
  margin-top: clamp(36px, 6vw, 72px);
  padding-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid rgba(169, 199, 191, 0.2);
}

.page-about .about-next__title {
  margin: 0 0 clamp(16px, 3vw, 26px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-about .about-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

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

@media (min-width: 1080px) {
  .page-about .about-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.6vw, 22px);
  border-radius: var(--r-md);
  background: var(--ink-800);
  border: 1px solid rgba(169, 199, 191, 0.18);
  color: var(--cream);
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease, background-color 0.22s ease;
}

.page-about .about-next__card:hover,
.page-about .about-next__card:focus-visible {
  border-color: var(--cyan);
  background: var(--ink-850);
  transform: translateY(-2px);
}

.page-about .about-next__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-about .about-next__t {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__index a,
  .page-about .about-toc__link,
  .page-about .about-next__card {
    transition: none;
  }

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