.page-about {
  display: block;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

.page-about .pa-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(32px, 8vw, 96px)) 0 clamp(48px, 8vw, 92px);
  background:
    radial-gradient(120% 90% at 84% 6%, rgba(61, 245, 208, 0.14), transparent 58%),
    radial-gradient(90% 80% at 4% 100%, rgba(20, 82, 62, 0.62), transparent 64%),
    var(--ink);
  border-bottom: 1px solid var(--grid);
}

.page-about .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
  margin-bottom: clamp(28px, 6vw, 56px);
}

.page-about .breadcrumbs a {
  color: rgba(216, 208, 192, 0.82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--grid-strong);
}

.page-about .breadcrumbs__sep {
  margin: 0 8px;
  color: var(--mute);
}

.page-about .pa-hero .idx {
  margin: 0 0 clamp(16px, 3vw, 26px);
  color: var(--cyan-soft);
}

.page-about .h-hero {
  margin: 0 0 clamp(24px, 4vw, 44px);
  font-size: clamp(2.3rem, 8.6vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 300;
  max-width: 17ch;
}

.page-about .h-hero em {
  font-style: normal;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .pa-hero__foot {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-about .lead {
  max-width: 58ch;
  margin: 0;
  color: rgba(247, 241, 230, 0.84);
  line-height: 1.9;
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
}

.page-about .pa-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(12px, 3vw, 24px);
}

.page-about .pa-hero__meta li {
  padding: 14px 0 12px;
  border-top: 1px solid var(--grid);
}

.page-about .pa-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.2rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-about .pa-meta-label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(216, 208, 192, 0.72);
}

.page-about .pa-chapter {
  position: relative;
  padding: clamp(56px, 10vw, 118px) 0;
  border-bottom: 1px solid var(--grid);
}

.page-about .pa-chapter--last {
  border-bottom: 0;
  padding-bottom: clamp(64px, 11vw, 130px);
}

.page-about .pa-row {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-about .pa-row__index {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .pa-row__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.4vw, 3.4rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: rgba(61, 245, 208, 0.42);
}

.page-about .pa-row__index .idx {
  color: var(--cyan-soft);
}

.page-about .h-section {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: clamp(1.42rem, 3.6vw, 2.3rem);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .pa-row__body p {
  margin: 0 0 1.05em;
  max-width: 62ch;
  font-size: clamp(0.94rem, 1.5vw, 1rem);
  line-height: 1.92;
  color: rgba(247, 241, 230, 0.82);
}

.page-about .pa-row__body > p:last-child {
  margin-bottom: 0;
}

.page-about .pa-points {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 clamp(20px, 3vw, 28px);
  padding: 0;
}

.page-about .pa-points li {
  position: relative;
  padding: 14px 0 14px 22px;
  border-top: 1px solid var(--grid);
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(247, 241, 230, 0.86);
}

.page-about .pa-points li:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-about .pa-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-about .pa-inline-link {
  margin: clamp(16px, 3vw, 24px) 0 0;
}

.page-about .pa-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--grid-strong);
  padding-bottom: 4px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .pa-link:hover,
.page-about .pa-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

.page-about .media {
  margin: 0;
}

.page-about .media__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--grid);
  background:
    linear-gradient(160deg, rgba(20, 82, 62, 0.7), rgba(6, 26, 20, 0.95)),
    var(--ink-2);
}

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

.page-about .media__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: rgba(216, 208, 192, 0.66);
}

.page-about .pa-team {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  margin-top: clamp(30px, 5vw, 56px);
}

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

.page-about .pa-role {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 20px 0;
  border-top: 1px solid var(--grid);
}

.page-about .pa-role:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-about .pa-role__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding-top: 5px;
}

.page-about .pa-role__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .pa-role__count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
  border: 1px solid var(--grid-strong);
  padding: 2px 7px;
}

.page-about .pa-role__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(247, 241, 230, 0.76);
}

.page-about .pa-fig--team .media__frame {
  aspect-ratio: 3 / 2;
}

.page-about .pa-fig--strip {
  margin-top: clamp(28px, 5vw, 46px);
}

.page-about .pa-fig--strip .media__frame {
  aspect-ratio: 2 / 1;
}

.page-about .pa-timeline {
  list-style: none;
  margin: clamp(28px, 5vw, 48px) 0 0;
  padding: 0 0 8px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(210px, 82%);
  gap: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border-top: 1px solid var(--grid-strong);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .pa-timeline li {
  position: relative;
  padding: 30px 18px 4px 0;
  border-right: 1px solid var(--grid);
  scroll-snap-align: start;
}

.page-about .pa-timeline li:last-child {
  border-right: 0;
}

.page-about .pa-timeline li::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-about .pa-timeline__year {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4.6vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan-soft);
}

.page-about .pa-timeline__title {
  margin: 12px 0 8px;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-about .pa-timeline__desc {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: rgba(247, 241, 230, 0.72);
}

.page-about .pa-flow {
  margin: clamp(30px, 5vw, 52px) 0 clamp(28px, 4vw, 40px);
}

.page-about .pa-flow__axis {
  display: block;
  width: 100%;
  height: 6px;
  margin-bottom: 4px;
  overflow: visible;
}

.page-about .pa-flow__axis line {
  stroke: var(--grid-strong);
  stroke-width: 1;
  stroke-dasharray: 5 9;
}

.page-about .pa-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 4vw, 32px);
}

.page-about .pa-step {
  border-top: 1px solid var(--grid);
  padding-top: 18px;
}

.page-about .pa-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-about .pa-step__title {
  margin: 0 0 8px;
  font-size: clamp(1.06rem, 2vw, 1.2rem);
  font-weight: 600;
  color: var(--paper);
}

.page-about .pa-step__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.82;
  color: rgba(247, 241, 230, 0.74);
}

.page-about .pa-acc {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-about .pa-acc .acc__item {
  border-top: 1px solid var(--grid);
}

.page-about .pa-acc .acc__item:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-about .pa-acc .acc__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: 0;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.96rem;
  text-align: left;
  cursor: pointer;
}

.page-about .pa-acc .acc__trigger:hover .acc__label,
.page-about .pa-acc .acc__trigger:focus-visible .acc__label {
  color: var(--cyan);
}

.page-about .pa-acc .acc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
  flex: 0 0 auto;
}

.page-about .pa-acc .acc__label {
  flex: 1 1 auto;
  transition: color 0.2s var(--ease);
}

.page-about .pa-acc .acc__icon {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
}

.page-about .pa-acc .acc__icon::before,
.page-about .pa-acc .acc__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-about .pa-acc .acc__icon::before {
  top: 5px;
  left: 0;
  width: 12px;
  height: 1px;
}

.page-about .pa-acc .acc__icon::after {
  top: 0;
  left: 5px;
  width: 1px;
  height: 12px;
  transition: transform 0.22s var(--ease);
}

.page-about .pa-acc .acc__trigger[aria-expanded="true"] .acc__icon::after {
  transform: scaleY(0);
}

.page-about .pa-acc .acc__panel {
  overflow: hidden;
}

.page-about .pa-acc .acc__panel-inner {
  padding: 0 0 22px 25px;
  font-size: 0.92rem;
  line-height: 1.9;
  color: rgba(247, 241, 230, 0.78);
  max-width: 66ch;
}

.page-about .pa-strip {
  margin-top: clamp(28px, 5vw, 46px);
}

.page-about .pa-coop {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  margin-top: clamp(30px, 5vw, 52px);
}

.page-about .pa-fig--crowd .media__frame {
  aspect-ratio: 3 / 4;
}

.page-about .pa-coop__title {
  margin: 0 0 clamp(16px, 3vw, 22px);
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-about .pa-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-content: flex-start;
}

.page-about .pa-cloud__tag {
  border: 1px solid var(--grid);
  padding: 9px 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.4;
  color: rgba(247, 241, 230, 0.86);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-about .pa-cloud__tag--lg {
  font-size: 14px;
  padding: 14px 18px;
  border-color: var(--grid-strong);
  color: var(--cyan);
}

.page-about .pa-cloud__tag:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-about .pa-coop__body p {
  margin: clamp(20px, 3vw, 26px) 0 0;
  font-size: 0.93rem;
  line-height: 1.9;
  color: rgba(247, 241, 230, 0.8);
  max-width: 58ch;
}

.page-about .pa-promise {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  margin-top: clamp(28px, 5vw, 48px);
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--grid-strong);
  background: var(--panel-bg);
}

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

.page-about .pa-promise__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--grid);
}

.page-about .pa-promise__list li:first-child {
  border-top: 1px solid var(--grid);
}

.page-about .pa-promise__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(216, 208, 192, 0.78);
}

.page-about .pa-promise__v {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-about .pa-promise__cta p {
  margin: 0 0 clamp(16px, 3vw, 22px);
  font-size: 0.94rem;
  line-height: 1.88;
  color: rgba(247, 241, 230, 0.84);
  max-width: 46ch;
}

.page-about .pa-next {
  display: grid;
  gap: 0;
  margin-top: clamp(36px, 6vw, 64px);
  border-top: 1px solid var(--grid);
}

.page-about .pa-next__link {
  display: grid;
  gap: 4px;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid);
  text-decoration: none;
  transition: background 0.2s var(--ease);
}

.page-about .pa-next__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .pa-next__v {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(247, 241, 230, 0.78);
}

.page-about .pa-next__link:hover .pa-next__v,
.page-about .pa-next__link:focus-visible .pa-next__v {
  color: var(--paper);
}

.page-about .pa-next__link:hover .pa-next__k,
.page-about .pa-next__link:focus-visible .pa-next__k {
  color: var(--cyan-soft);
}

@media (min-width: 640px) {
  .page-about .pa-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .pa-timeline {
    grid-auto-columns: minmax(0, 1fr);
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow-x: visible;
  }

  .page-about .pa-timeline li {
    padding-right: 16px;
  }

  .page-about .pa-timeline li:nth-child(3n) {
    border-right: 0;
  }

  .page-about .pa-timeline li:nth-child(n + 4) {
    border-top: 1px solid var(--grid);
    padding-top: 28px;
    margin-top: 0;
  }

  .page-about .pa-timeline li:nth-child(n + 4)::before {
    top: -4px;
  }

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

  .page-about .pa-next__link {
    padding: 20px 20px 20px 0;
    border-bottom: 1px solid var(--grid);
  }

  .page-about .pa-next__link:nth-child(odd) {
    border-right: 1px solid var(--grid);
  }

  .page-about .pa-next__link:nth-child(even) {
    padding-left: 20px;
  }
}

@media (min-width: 900px) {
  .page-about .pa-row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(36px, 6vw, 84px);
    align-items: start;
  }

  .page-about .pa-row__index {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
  }

  .page-about .pa-row__num {
    display: block;
    margin-bottom: 10px;
  }

  .page-about .pa-hero__foot {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(36px, 6vw, 72px);
  }

  .page-about .pa-flow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(24px, 4vw, 44px);
  }

  .page-about .pa-timeline {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .pa-timeline li {
    border-right: 1px solid var(--grid);
    padding-right: 14px;
  }

  .page-about .pa-timeline li:nth-child(3n) {
    border-right: 1px solid var(--grid);
  }

  .page-about .pa-timeline li:last-child {
    border-right: 0;
  }

  .page-about .pa-timeline li:nth-child(n + 4) {
    border-top: 0;
    padding-top: 30px;
  }
}

@media (min-width: 1000px) {
  .page-about .pa-team {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }

  .page-about .pa-team .pa-fig {
    margin-top: clamp(24px, 4vw, 56px);
  }

  .page-about .pa-coop {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(36px, 6vw, 72px);
  }

  .page-about .pa-promise {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    align-items: center;
    gap: clamp(28px, 5vw, 56px);
  }

  .page-about .pa-acc .acc__panel-inner {
    padding-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .pa-link,
  .page-about .pa-acc .acc__icon::after,
  .page-about .pa-acc .acc__label,
  .page-about .pa-cloud__tag,
  .page-about .pa-next__link {
    transition: none;
  }
}
<<<END>>>