.page-about {
  --about-cut: 14px;
  --about-pad: clamp(1.6rem, 4vw, 2.4rem);
  background: var(--ink-800);
  color: var(--chalk);
  overflow-x: clip;
}

.page-about h2,
.page-about h3 {
  font-family: var(--font-head);
  letter-spacing: -0.01em;
  margin: 0;
}

.page-about h2 {
  font-weight: 300;
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  line-height: 1.32;
}

.page-about .about-section {
  position: relative;
  padding: clamp(2.4rem, 6.5vw, 4.6rem) 0;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.1rem, 3.5vw, 1.8rem) 0 clamp(2.4rem, 7vw, 4.4rem);
  background:
    radial-gradient(110% 80% at 88% -10%, rgba(53, 224, 206, 0.13), transparent 62%),
    radial-gradient(90% 70% at -10% 110%, rgba(23, 80, 92, 0.55), transparent 60%),
    var(--ink-800);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 36%;
  right: -22%;
  bottom: -46%;
  height: 72%;
  transform: skewY(-8deg);
  background: linear-gradient(160deg, rgba(53, 224, 206, 0.09), rgba(23, 80, 92, 0.3) 55%, rgba(8, 22, 30, 0) 92%);
  pointer-events: none;
}

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

.page-about .about-hero .crumbs {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--haze);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  margin-top: clamp(1.4rem, 4vw, 2.4rem);
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-weight: 200;
  font-size: clamp(2.05rem, 7.4vw, 4rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0.7rem 0 0;
  text-wrap: balance;
}

.page-about .about-hero__lede {
  max-width: 34em;
  margin: 1.1rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(246, 248, 247, 0.76);
}

.page-about .about-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  font-size: 0.78rem;
  color: var(--haze);
}

.page-about .about-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-about .about-hero__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.page-about .about-hero__meta .data-num {
  color: var(--chalk);
  letter-spacing: 0.04em;
}

.page-about .about-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  background: var(--ink-900);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.75) brightness(0.9);
}

.page-about .media-frame__caption {
  margin-top: 0.65rem;
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--haze);
}

/* ---------- origin ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: clamp(1.2rem, 4vw, 3rem);
}

.page-about .about-origin__year {
  font-size: clamp(2rem, 7vw, 3.2rem);
  line-height: 1;
  color: var(--cyan);
  margin: 0.5rem 0 0.7rem;
  letter-spacing: 0.02em;
}

.page-about .about-origin__note {
  margin: 0;
  max-width: 15em;
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-about .about-origin__body h2 {
  margin-bottom: 1rem;
}

.page-about .about-origin__body p {
  max-width: 42em;
  margin: 0 0 1rem;
  font-size: 0.97rem;
  line-height: 1.9;
  color: rgba(246, 248, 247, 0.78);
}

.page-about .about-textlink {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 206, 0.4);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-about .about-textlink:hover,
.page-about .about-textlink:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--chalk);
}

.page-about .about-textlink--ink {
  color: var(--deep);
  border-bottom-color: rgba(23, 80, 92, 0.4);
}

.page-about .about-textlink--ink:hover,
.page-about .about-textlink--ink:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--ink-900);
}

/* ---------- timeline ---------- */
.page-about .about-timeline__head {
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .tl__item {
  position: relative;
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  gap: 0.6rem 1rem;
  padding: var(--about-pad) 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .tl__item::after {
  content: "";
  position: absolute;
  left: 6.5px;
  top: calc(var(--about-pad) + 1.45rem);
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(199, 182, 204, 0.34), rgba(199, 182, 204, 0.04));
}

.page-about .tl__item:last-child::after {
  display: none;
}

.page-about .tl__rail {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  min-width: 0;
}

.page-about .tl__node {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 0.34rem;
  border: 1px solid rgba(199, 182, 204, 0.5);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .tl__ver {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--haze);
  white-space: nowrap;
  transition: color 0.3s var(--ease);
}

.page-about .tl__item:hover .tl__node,
.page-about .tl__item:focus-within .tl__node {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .tl__item:hover .tl__ver {
  color: var(--cyan);
}

.page-about .tl__title {
  font-size: clamp(1.18rem, 3.2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.35;
  margin: 0 0 0.6rem;
  transition: color 0.3s var(--ease);
}

.page-about .tl__text {
  max-width: 40em;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: rgba(246, 248, 247, 0.74);
}

.page-about .tl__solved {
  position: relative;
  margin: 0.9rem 0 0;
  padding-left: 0.9rem;
  max-width: 38em;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-about .tl__solved::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  bottom: 0.42em;
  width: 2px;
  background: var(--coral);
  transform: skewY(-8deg);
}

.page-about .tl__key {
  display: inline-block;
  margin-right: 0.5rem;
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

/* ---------- band image ---------- */
.page-about .about-band {
  position: relative;
  margin: 0 auto;
  padding: 0 var(--rail);
  max-width: 1440px;
}

.page-about .about-band .media-frame__img {
  display: block;
  width: 100%;
  height: clamp(170px, 30vw, 400px);
  object-fit: cover;
  filter: saturate(0.7) brightness(0.85);
}

.page-about .about-band__tag {
  position: absolute;
  top: 1rem;
  left: calc(var(--rail) + 1rem);
  padding: 0.3rem 0.65rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  background: rgba(8, 22, 30, 0.62);
  border: 1px solid rgba(53, 224, 206, 0.35);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.page-about .about-band .media-frame__caption {
  margin: 0.7rem 0 0;
}

/* ---------- light zone ---------- */
.page-about .about-wash {
  height: clamp(70px, 10vw, 130px);
  background: linear-gradient(180deg, var(--ink-800), var(--lily));
}

.page-about .about-light {
  background: var(--lily);
  color: var(--ink-800);
}

.page-about .about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.85rem;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--deep);
}

.page-about .about-kicker::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  opacity: 0.65;
}

.page-about .about-kicker--light {
  color: var(--cyan);
}

.page-about .about-light .section-head__title {
  color: var(--ink-900);
}

.page-about .about-light .section-head__lede {
  color: rgba(14, 36, 48, 0.72);
}

.page-about .about-light__text {
  max-width: 34em;
  margin: 1rem 0 0;
  font-size: 0.96rem;
  line-height: 1.9;
  color: rgba(14, 36, 48, 0.76);
}

/* ---------- team ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-about .about-flow {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .about-flow li {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line-ink);
}

.page-about .about-flow__no {
  font-size: 0.85rem;
  color: var(--deep);
  letter-spacing: 0.08em;
}

.page-about .about-flow h3 {
  font-size: 1.02rem;
  font-weight: 500;
  margin: 0 0 0.35rem;
  color: var(--ink-900);
}

.page-about .about-flow p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(14, 36, 48, 0.75);
}

.page-about .about-team__media {
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 34px 100%, 0 calc(100% - 34px));
}

.page-about .about-team__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.8);
}

.page-about .about-light .media-frame__caption {
  color: rgba(14, 36, 48, 0.6);
}

/* ---------- source ---------- */
.page-about .about-source__head {
  margin-bottom: clamp(1.4rem, 3.5vw, 2.2rem);
}

.page-about .about-source__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-source__row {
  display: grid;
  gap: 0.45rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-about .about-source__row:first-child {
  border-top: 1px solid var(--line-ink);
}

.page-about .about-source__no {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--deep);
}

.page-about .about-source__name {
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--ink-900);
  margin: 0;
}

.page-about .about-source__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(14, 36, 48, 0.75);
}

.page-about .about-source__more {
  margin: 1.4rem 0 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(14, 36, 48, 0.75);
}

/* ---------- region ---------- */
.page-about .about-region__panel {
  position: relative;
  padding: clamp(1.5rem, 5vw, 3rem);
  color: var(--chalk);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(53, 224, 206, 0.16), transparent 58%),
    linear-gradient(150deg, var(--ink-800), var(--deep) 140%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-about .about-region__copy h2 {
  color: var(--chalk);
  margin-bottom: 0.9rem;
}

.page-about .about-region__copy p {
  max-width: 36em;
  margin: 0 0 0.85rem;
  font-size: 0.93rem;
  line-height: 1.88;
  color: rgba(246, 248, 247, 0.78);
}

.page-about .about-region__copy p:last-child {
  margin-bottom: 0;
}

.page-about .about-region__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.6rem 0 0;
}

.page-about .about-region__stat {
  padding-top: 0.7rem;
  border-top: 1px solid rgba(53, 224, 206, 0.5);
}

.page-about .about-region__stat dt {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--haze);
}

.page-about .about-region__stat dd {
  margin: 0.45rem 0 0;
  font-family: var(--font-data);
  font-size: clamp(1.1rem, 3.6vw, 1.6rem);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .about-region__stat dd .data-num {
  font-size: 1.15em;
}

/* ---------- creed ---------- */
.page-about .about-creed__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-about .about-creed__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-creed__item {
  position: relative;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.8rem;
  padding: 1.1rem 0 1.1rem 1.1rem;
  border-top: 1px solid var(--line-ink);
}

.page-about .about-creed__item:last-child {
  border-bottom: 1px solid var(--line-ink);
}

.page-about .about-creed__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 2px;
  background: linear-gradient(180deg, var(--haze), rgba(199, 182, 204, 0.15));
  transform: skewY(-8deg) scaleY(0.55);
  transform-origin: top center;
  transition: transform 0.45s var(--ease), background 0.45s var(--ease);
}

.page-about .about-creed__item:hover::before,
.page-about .about-creed__item:focus-within::before {
  transform: skewY(-8deg) scaleY(1);
  background: linear-gradient(180deg, var(--cyan), var(--deep));
}

.page-about .about-creed__no {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--deep);
}

.page-about .about-creed__item h3 {
  font-size: 1.06rem;
  font-weight: 500;
  margin: 0 0 0.35rem;
  color: var(--ink-900);
}

.page-about .about-creed__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: rgba(14, 36, 48, 0.75);
}

/* ---------- closing ---------- */
.page-about .about-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(2.4rem, 6.5vw, 4.2rem) 0;
  background: var(--ink-900);
  color: var(--chalk);
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  inset: -40% 52% 30% -22%;
  background: radial-gradient(closest-side, rgba(53, 224, 206, 0.16), transparent);
  pointer-events: none;
}

.page-about .about-cta__inner {
  position: relative;
  display: grid;
  gap: 1.6rem;
}

.page-about .about-cta h2 {
  color: var(--chalk);
}

.page-about .about-cta__lede {
  max-width: 34em;
  margin: 0.8rem 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(246, 248, 247, 0.75);
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- responsive ---------- */
@media (min-width: 760px) {
  .page-about .about-source__row {
    grid-template-columns: 3.5rem 13rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.4rem;
    padding: 1.35rem 0;
  }

  .page-about .about-region__stats {
    margin-top: 2rem;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 22%) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-about .tl__item {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: clamp(1.4rem, 4vw, 3.4rem);
  }

  .page-about .tl__ver {
    font-size: 0.92rem;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    align-items: start;
  }

  .page-about .about-team__media {
    margin-top: 0.4rem;
  }

  .page-about .about-region__panel {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(1.6rem, 4vw, 3.2rem);
    align-items: start;
  }

  .page-about .about-region__stats {
    margin-top: 0;
  }

  .page-about .about-creed__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(1.6rem, 4vw, 3rem);
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero__title {
    font-size: clamp(3rem, 4.6vw, 4.2rem);
  }

  .page-about .tl__item {
    grid-template-columns: 12rem minmax(0, 1fr);
  }
}
<<<END>>>