.page-about {
  --pab-pad: 16px;
  --pab-gap: 20px;
  background: var(--anbo-bg);
  color: var(--anbo-ink);
  font-family: var(--anbo-font-body);
  overflow-x: hidden;
  padding-bottom: 0;
}

/* ---------- breadcrumb ---------- */
.page-about .pabout-crumb {
  max-width: var(--anbo-max);
  margin: 0 auto;
  padding: 22px var(--pab-pad) 0;
}
.page-about .pabout-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--anbo-font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--anbo-mist);
  text-transform: uppercase;
}
.page-about .pabout-crumb__item + .pabout-crumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--anbo-line);
}
.page-about .pabout-crumb__link {
  color: var(--anbo-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.page-about .pabout-crumb__link:hover,
.page-about .pabout-crumb__link:focus-visible {
  color: var(--anbo-lime);
  border-bottom-color: var(--anbo-lime);
}
.page-about .pabout-crumb__item[aria-current="page"] {
  color: var(--anbo-ink);
}

/* ---------- hero ---------- */
.page-about .pabout-hero {
  position: relative;
  max-width: var(--anbo-max);
  margin: 0 auto;
  padding: 26px var(--pab-pad) 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  isolation: isolate;
}
.page-about .pabout-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(142deg, rgba(200, 255, 61, .10) 0%, rgba(200, 255, 61, 0) 46%),
    linear-gradient(24deg, rgba(27, 44, 52, .55) 0%, rgba(7, 17, 13, 0) 58%);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
  pointer-events: none;
}
.page-about .pabout-kicker {
  margin: 0 0 14px;
  font-family: var(--anbo-font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--anbo-lime);
}
.page-about .pabout-h1 {
  margin: 0 0 18px;
  font-family: var(--anbo-font-head);
  font-weight: 900;
  font-size: clamp(2.35rem, 10vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.035em;
  color: var(--anbo-ink);
}
.page-about .pabout-hero__lede {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(234, 242, 236, .8);
}
.page-about .pabout-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--anbo-line);
}
.page-about .pabout-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-about .pabout-hero__num {
  font-family: var(--anbo-font-mono);
  font-size: clamp(1.45rem, 6.5vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--anbo-lime);
  letter-spacing: -.01em;
}
.page-about .pabout-hero__cap {
  font-size: 12px;
  line-height: 1.4;
  color: var(--anbo-mist);
}
.page-about .pabout-hero__media {
  order: -1;
  margin: 0;
  border: 1px solid var(--anbo-line);
  border-radius: var(--anbo-radius);
  overflow: hidden;
  box-shadow: var(--anbo-shadow);
}
.page-about .pabout-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  filter: saturate(.85);
}

/* ---------- shell / index ---------- */
.page-about .pabout-shell {
  max-width: var(--anbo-max);
  margin: 0 auto;
  padding: 0 var(--pab-pad) 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}
.page-about .pabout-index {
  border-top: 1px solid var(--anbo-line);
  padding: 18px 0 6px;
}
.page-about .pabout-index__title {
  margin: 0 0 10px;
  font-family: var(--anbo-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--anbo-mist);
}
.page-about .pabout-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .pabout-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--anbo-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.page-about .pabout-index__no {
  font-family: var(--anbo-font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--anbo-line);
  transition: color .18s ease;
}
.page-about .pabout-index__list a:hover,
.page-about .pabout-index__list a:focus-visible {
  color: var(--anbo-lime);
  border-bottom-color: var(--anbo-lime);
}
.page-about .pabout-index__list a:hover .pabout-index__no,
.page-about .pabout-index__list a:focus-visible .pabout-index__no {
  color: var(--anbo-lime);
}

/* ---------- sections ---------- */
.page-about .pabout-sec {
  padding: 34px 0 12px;
  border-top: 1px solid var(--anbo-line);
}
.page-about .pabout-sec__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--anbo-font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--anbo-lime);
}
.page-about .pabout-sec__title {
  margin: 0 0 16px;
  font-family: var(--anbo-font-head);
  font-weight: 800;
  font-size: clamp(1.45rem, 5.2vw, 2.2rem);
  line-height: 1.18;
  letter-spacing: -.025em;
  color: var(--anbo-ink);
}
.page-about .pabout-p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(234, 242, 236, .82);
}
.page-about .pabout-cap {
  margin: 10px 0 0;
  font-family: var(--anbo-font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--anbo-mist);
}
.page-about .pabout-quote {
  margin: 24px 0 6px;
  padding: 6px 0 6px 18px;
  border-left: 3px solid var(--anbo-lime);
  font-family: var(--anbo-font-head);
  font-size: clamp(1.02rem, 3.6vw, 1.35rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--anbo-ink);
}

/* ---------- chain ---------- */
.page-about .pabout-chain {
  counter-reset: pchain;
  display: grid;
  gap: 10px;
  margin: 22px 0 8px;
  padding: 0;
  list-style: none;
}
.page-about .pabout-chain__item {
  position: relative;
  padding: 16px 16px 16px 42px;
  border: 1px solid var(--anbo-line);
  border-radius: var(--anbo-radius-sm);
  background: linear-gradient(155deg, rgba(27, 44, 52, .5), rgba(7, 17, 13, 0) 72%);
  transition: border-color .2s ease, transform .2s ease;
}
.page-about .pabout-chain__item::before {
  counter-increment: pchain;
  content: "0" counter(pchain);
  position: absolute;
  left: 15px;
  top: 17px;
  font-family: var(--anbo-font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--anbo-orange);
}
.page-about .pabout-chain__item:hover {
  border-color: var(--anbo-lime);
}
.page-about .pabout-chain__title {
  margin: 0 0 6px;
  font-family: var(--anbo-font-head);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--anbo-ink);
}
.page-about .pabout-chain__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(234, 242, 236, .72);
}

/* ---------- method ---------- */
.page-about .pabout-sec--tilt {
  position: relative;
}
.page-about .pabout-sec--tilt::before {
  content: "";
  position: absolute;
  left: -16px;
  right: -16px;
  top: 18px;
  bottom: 0;
  z-index: -1;
  background: linear-gradient(200deg, rgba(16, 35, 28, .9), rgba(7, 17, 13, 0) 78%);
  clip-path: polygon(0 0, 100% 3.5%, 100% 100%, 0 96%);
  pointer-events: none;
}
.page-about .pabout-method {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.page-about .pabout-method__media {
  margin: 0;
  border: 1px solid var(--anbo-line);
  border-radius: var(--anbo-radius);
  overflow: hidden;
  background: var(--anbo-bg-2);
}
.page-about .pabout-method__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .pabout-method__media .pabout-cap {
  padding: 0 14px 12px;
}
.page-about .pabout-nums {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 22px 0 6px;
  padding: 0;
  list-style: none;
  background: var(--anbo-line);
  border: 1px solid var(--anbo-line);
  border-radius: var(--anbo-radius);
  overflow: hidden;
}
.page-about .pabout-num {
  background: var(--anbo-bg-2);
  padding: 16px 14px;
}
.page-about .pabout-num__v {
  display: block;
  font-family: var(--anbo-font-mono);
  font-size: clamp(1.7rem, 7vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--anbo-lime);
}
.page-about .pabout-num__l {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--anbo-mist);
}

/* ---------- timeline ---------- */
.page-about .pabout-tlwrap {
  position: relative;
  margin: 24px 0 8px;
  padding: 22px 16px 8px 0;
  isolation: isolate;
}
.page-about .pabout-tlwrap__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  border-radius: var(--anbo-radius);
  opacity: .22;
}
.page-about .pabout-tlwrap__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.4) brightness(.7);
}
.page-about .pabout-tl {
  position: relative;
  margin: 0;
  padding: 0 0 0 28px;
  list-style: none;
  border-left: 1px solid var(--anbo-line);
}
.page-about .pabout-tl__item {
  position: relative;
  padding: 0 0 24px;
}
.page-about .pabout-tl__item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--anbo-lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, .13);
  transition: box-shadow .2s ease, background .2s ease;
}
.page-about .pabout-tl__item--now::before {
  background: var(--anbo-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, .16);
}
.page-about .pabout-tl__item:hover::before {
  box-shadow: 0 0 0 7px rgba(200, 255, 61, .2);
}
.page-about .pabout-tl__meta {
  margin: 0 0 4px;
  font-family: var(--anbo-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--anbo-mist);
}
.page-about .pabout-tl__title {
  margin: 0 0 6px;
  font-family: var(--anbo-font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--anbo-ink);
}
.page-about .pabout-tl__note {
  margin: 0;
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(234, 242, 236, .74);
}

/* ---------- roles ---------- */
.page-about .pabout-roles {
  display: grid;
  gap: 10px;
  margin: 22px 0 6px;
  padding: 0;
  list-style: none;
}
.page-about .pabout-role {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 6px 12px;
  padding: 14px 0;
  border-top: 1px solid var(--anbo-line);
}
.page-about .pabout-role__no {
  grid-row: span 2;
  font-family: var(--anbo-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--anbo-ice);
  padding-top: 3px;
}
.page-about .pabout-role__title {
  margin: 0;
  font-family: var(--anbo-font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--anbo-ink);
}
.page-about .pabout-role__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(234, 242, 236, .74);
}

/* ---------- plans ---------- */
.page-about .pabout-split {
  display: grid;
  gap: 12px;
  margin: 22px 0 6px;
}
.page-about .pabout-plan {
  padding: 20px 18px;
  border: 1px solid var(--anbo-line);
  border-radius: var(--anbo-radius);
  background: var(--anbo-bg-2);
  transition: border-color .2s ease, transform .2s ease;
}
.page-about .pabout-plan--alt {
  background: linear-gradient(165deg, rgba(27, 44, 52, .8), rgba(11, 21, 18, .6));
}
.page-about .pabout-plan:hover {
  border-color: var(--anbo-lime);
  transform: translateY(-2px);
}
.page-about .pabout-plan__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 9px;
  border-radius: var(--anbo-pill);
  font-family: var(--anbo-font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--anbo-bg);
  background: var(--anbo-lime);
}
.page-about .pabout-plan--alt .pabout-plan__tag {
  background: var(--anbo-orange);
  color: var(--anbo-bg);
}
.page-about .pabout-plan__title {
  margin: 0 0 10px;
  font-family: var(--anbo-font-head);
  font-size: 19px;
  font-weight: 800;
  color: var(--anbo-ink);
}
.page-about .pabout-plan__text {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(234, 242, 236, .76);
}

/* ---------- reasons ---------- */
.page-about .pabout-reasons {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 22px 0 6px;
}
.page-about .pabout-reason {
  padding: 18px 16px;
  border: 1px solid var(--anbo-line);
  border-radius: var(--anbo-radius);
  background: linear-gradient(170deg, rgba(16, 35, 28, .75), rgba(7, 17, 13, 0) 80%);
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.page-about .pabout-reason:hover,
.page-about .pabout-reason:focus-visible {
  border-color: var(--anbo-lime);
  transform: translateY(-2px);
  outline: none;
}
.page-about .pabout-reason:focus-visible {
  box-shadow: 0 0 0 2px var(--anbo-bg), 0 0 0 4px var(--anbo-lime);
}
.page-about .pabout-reason__v {
  display: block;
  font-family: var(--anbo-font-mono);
  font-size: clamp(1.5rem, 6vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--anbo-lime);
}
.page-about .pabout-reason__title {
  margin: 10px 0 8px;
  font-family: var(--anbo-font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--anbo-ink);
}
.page-about .pabout-reason__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(234, 242, 236, .74);
}

/* ---------- cta ---------- */
.page-about .pabout-cta {
  border-top: 1px solid var(--anbo-line);
  background:
    linear-gradient(126deg, rgba(200, 255, 61, .10), rgba(7, 17, 13, 0) 55%),
    var(--anbo-bg-2);
}
.page-about .pabout-cta__inner {
  max-width: var(--anbo-max);
  margin: 0 auto;
  padding: 48px var(--pab-pad) 56px;
}
.page-about .pabout-cta__title {
  margin: 0 0 14px;
  max-width: 22ch;
  font-family: var(--anbo-font-head);
  font-weight: 900;
  font-size: clamp(1.55rem, 6vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -.03em;
  color: var(--anbo-ink);
}
.page-about .pabout-cta__text {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(234, 242, 236, .78);
}
.page-about .pabout-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-about .pabout-chain {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }
  .page-about .pabout-chain__item {
    padding: 42px 12px 16px;
    border-radius: 0;
    border-right: none;
  }
  .page-about .pabout-chain__item:first-child {
    border-radius: var(--anbo-radius-sm) 0 0 var(--anbo-radius-sm);
  }
  .page-about .pabout-chain__item:last-child {
    border-right: 1px solid var(--anbo-line);
    border-radius: 0 var(--anbo-radius-sm) var(--anbo-radius-sm) 0;
  }
  .page-about .pabout-chain__item::before {
    left: 12px;
    top: 16px;
  }
  .page-about .pabout-split,
  .page-about .pabout-reasons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .pabout-nums {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about {
    --pab-pad: 24px;
  }
  .page-about .pabout-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    align-items: end;
    gap: 48px;
    padding-top: 46px;
    padding-bottom: 72px;
  }
  .page-about .pabout-hero__media {
    order: 0;
    align-self: stretch;
  }
  .page-about .pabout-hero__media img {
    height: 100%;
    max-height: none;
    min-height: 440px;
    object-fit: cover;
  }
  .page-about .pabout-shell {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 0 56px;
    padding-bottom: 96px;
  }
  .page-about .pabout-index {
    position: sticky;
    top: 104px;
    align-self: start;
    padding-bottom: 24px;
  }
  .page-about .pabout-index__list {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-about .pabout-sec {
    padding: 46px 0 16px;
  }
  .page-about .pabout-sec:first-child {
    border-top: none;
    padding-top: 4px;
  }
  .page-about .pabout-method {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 32px;
    align-items: start;
  }
  .page-about .pabout-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }
  .page-about .pabout-tlwrap {
    padding: 32px 24px 16px 0;
  }
  .page-about .pabout-tl {
    padding-left: 40px;
  }
  .page-about .pabout-tl__item::before {
    left: -45px;
  }
  .page-about .pabout-cta__inner {
    padding-top: 72px;
    padding-bottom: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .pabout-chain__item,
  .page-about .pabout-plan,
  .page-about .pabout-reason,
  .page-about .pabout-tl__item::before,
  .page-about .pabout-index__list a,
  .page-about .pabout-crumb__link {
    transition: none;
  }
  .page-about .pabout-chain__item:hover,
  .page-about .pabout-plan:hover,
  .page-about .pabout-reason:hover,
  .page-about .pabout-reason:focus-visible {
    transform: none;
  }
}
<<<END>>>