.page-about {
  color: var(--white);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-about a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .ab-p a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .ab-p {
  margin: 0 0 16px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .ab-hero {
  padding: clamp(24px, 4vw, 56px) 0 clamp(24px, 4vw, 40px);
}

.page-about .ab-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 9.5vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .ab-hero__lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--muted);
}

.page-about .ab-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px clamp(20px, 3vw, 40px);
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.page-about .ab-facts .mono {
  font-size: 18px;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .ab-banner {
  margin: 0;
}

.page-about .ab-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-about .ab-banner figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-about .ab-sec {
  padding: clamp(36px, 6vw, 72px) 0;
}

.page-about .ab-sec--rule {
  border-top: 1px solid var(--line);
}

.page-about .ab-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .ab-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 48px);
}

@media (min-width: 900px) {
  .page-about .ab-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-about .ab-split--rev {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-about .ab-steps {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

@media (min-width: 640px) {
  .page-about .ab-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .ab-steps li {
  padding: 18px 18px 20px;
  background: var(--panel);
}

.page-about .ab-steps .mono {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-about .ab-steps b {
  display: block;
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-about .ab-steps p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .ab-tl {
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0 0 8px;
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(160px, 17vw, 190px);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-about .ab-tl__item {
  position: relative;
  min-height: 240px;
  padding-right: 18px;
}

.page-about .ab-tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 110px;
  height: 1px;
  background: linear-gradient(90deg, rgba(201, 168, 106, 0.55), rgba(201, 168, 106, 0.16));
}

.page-about .ab-tl__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 105px;
  width: 11px;
  height: 11px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-about .ab-tl__year {
  position: absolute;
  left: 0;
  top: 40px;
  font-family: var(--font-display);
  font-size: clamp(40px, 5.2vw, 62px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--sand);
}

.page-about .ab-tl__body {
  position: absolute;
  left: 0;
  right: 18px;
  top: 134px;
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .ab-tl__item:nth-child(even) .ab-tl__year {
  top: 134px;
}

.page-about .ab-tl__item:nth-child(even) .ab-tl__body {
  top: 24px;
}

@media (max-width: 700px) {
  .page-about .ab-tl__item {
    min-height: 250px;
  }

  .page-about .ab-tl__item::before {
    top: 86px;
  }

  .page-about .ab-tl__item::after {
    top: 82px;
    width: 9px;
    height: 9px;
  }

  .page-about .ab-tl__year {
    top: 22px;
    font-size: 44px;
  }

  .page-about .ab-tl__body {
    top: 108px;
    font-size: 13px;
  }

  .page-about .ab-tl__item:nth-child(even) .ab-tl__year {
    top: 108px;
  }

  .page-about .ab-tl__item:nth-child(even) .ab-tl__body {
    top: 18px;
  }
}

.page-about .ab-seg {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

@media (min-width: 620px) {
  .page-about .ab-seg {
    grid-template-columns: repeat(9, minmax(0, 1fr));
  }
}

.page-about .ab-seg li {
  padding: 14px 8px;
  text-align: center;
  background: var(--cyan-deep);
  border: 1px solid rgba(53, 224, 208, 0.32);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background var(--t-fast), border-color var(--t-fast);
}

.page-about .ab-seg li:hover {
  background: rgba(53, 224, 208, 0.26);
  border-color: var(--cyan);
}

.page-about .ab-seg__code {
  display: block;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-about .ab-seg__batch {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.page-about .ab-segfig {
  margin: 0;
}

.page-about .ab-segfig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-about .ab-segfig figcaption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .ab-team__stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 18px 0 22px;
}

.page-about .ab-team__num {
  font-family: var(--font-display);
  font-size: clamp(46px, 7vw, 68px);
  line-height: 1;
  color: var(--orange);
}

.page-about .ab-team__unit {
  font-size: 13px;
  color: var(--muted);
}

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

.page-about .ab-shift__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .ab-shift__row span:first-child {
  color: var(--white);
}

.page-about .ab-shift__time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan) !important;
}

.page-about .ab-shift__row--head {
  display: none;
}

@media (min-width: 560px) {
  .page-about .ab-shift__row {
    grid-template-columns: 128px 72px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-about .ab-shift__row--head {
    display: grid;
    padding: 10px 0;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--steel);
  }

  .page-about .ab-shift__row--head span {
    color: var(--steel) !important;
  }
}

.page-about .ab-shift__note {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-about .ab-zones {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
}

@media (min-width: 760px) {
  .page-about .ab-zones {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, 1fr);
  }
}

.page-about .ab-zones li {
  padding-top: 16px;
  border-top: 2px solid var(--steel);
}

.page-about .ab-zones li:nth-child(1) {
  border-top-color: var(--sand);
}

.page-about .ab-zones__code {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sand);
}

.page-about .ab-zones h3 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-about .ab-zones p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .ab-metrics {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 32px);
}

@media (min-width: 860px) {
  .page-about .ab-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .ab-metrics li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .ab-metrics__num {
  font-family: var(--font-display);
  font-size: clamp(46px, 7vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .ab-metrics__unit {
  margin-left: 2px;
  font-size: 0.42em;
  color: var(--muted);
}

.page-about .ab-metrics__label {
  font-size: 13px;
  color: var(--muted);
}

.page-about .ab-metrics__note {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .ab-compare {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

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

.page-about .ab-compare figcaption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .ab-next {
  margin-top: clamp(36px, 6vw, 72px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
}

.page-about .ab-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

@media (min-width: 800px) {
  .page-about .ab-next__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, 1fr);
  }
}

.page-about .ab-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--panel);
  color: var(--white);
  text-decoration: none;
  transition: background var(--t-base);
}

.page-about .ab-next__card:hover {
  background: var(--panel-2);
}

.page-about .ab-next__card .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sand);
}

.page-about .ab-next__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-about .ab-next__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
<<<END>>>