.page-about {
  --about-rail: 196px;
  --about-gap: 40px;
  --about-soft: rgba(244, 246, 243, 0.62);
  --about-faint: rgba(244, 246, 243, 0.38);
  display: block;
  background: var(--kb-black);
  color: var(--kb-paper);
  font-family: var(--kb-font-body);
  overflow-x: clip;
}

.page-about * {
  box-sizing: border-box;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(40px, 7vw, 88px) 0 clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--kb-line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(31, 138, 76, 0.22), transparent 62%),
    linear-gradient(180deg, rgba(16, 32, 26, 0.9), var(--kb-black) 78%);
  overflow: hidden;
}

.page-about .about-hero__year {
  position: absolute;
  top: clamp(4px, 2vw, 16px);
  right: clamp(-24px, -1vw, 0px);
  font-family: var(--kb-font-display);
  font-size: clamp(104px, 21vw, 268px);
  line-height: 0.78;
  letter-spacing: -0.05em;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 2px rgba(31, 138, 76, 0.42);
  pointer-events: none;
  user-select: none;
}

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

.page-about .about-hero__crumb {
  margin-bottom: clamp(20px, 3vw, 34px);
  font-family: var(--kb-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--kb-blue-soft);
}

.page-about .about-hero__crumb a {
  color: var(--kb-blue-soft);
  text-decoration: none;
}

.page-about .about-hero__crumb a:hover,
.page-about .about-hero__crumb a:focus-visible {
  color: var(--kb-yellow);
}

.page-about .about-hero__crumb [aria-current="page"] {
  color: var(--kb-gray);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-about .kb-eyebrow {
  font-family: var(--kb-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kb-green-bright);
  margin: 0 0 14px;
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  font-family: var(--kb-font-display);
  font-weight: 700;
  font-size: clamp(38px, 8.4vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--kb-paper);
}

.page-about .about-hero__intro {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--about-soft);
}

.page-about .about-hero__panel {
  align-self: end;
  padding: 18px 20px;
  border: 1px solid var(--kb-green);
  border-left: 4px solid var(--kb-yellow);
  border-radius: var(--kb-radius-sm);
  background: var(--kb-green-wash);
  backdrop-filter: blur(2px);
}

.page-about .about-hero__panel-label {
  margin: 0 0 8px;
  font-family: var(--kb-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kb-gray);
}

.page-about .about-hero__panel-value {
  margin: 0 0 6px;
  font-family: var(--kb-font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--kb-yellow);
}

.page-about .about-hero__panel-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--about-soft);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 5vw, 56px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--kb-line);
  border: 1px solid var(--kb-line);
  border-radius: var(--kb-radius-sm);
  overflow: hidden;
}

.page-about .about-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--kb-ink);
}

.page-about .about-stats__num {
  font-family: var(--kb-font-mono);
  font-size: clamp(26px, 5.6vw, 40px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--kb-green-bright);
}

.page-about .about-stats__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--kb-gray);
}

.page-about .about-body {
  padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 8vw, 112px);
}

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

.page-about .about-rail {
  position: relative;
}

.page-about .about-rail__label {
  margin: 0 0 14px;
  font-family: var(--kb-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kb-gray);
}

.page-about .about-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--kb-line);
  border-radius: 999px;
  font-size: 13px;
  text-decoration: none;
  color: var(--about-soft);
  background: rgba(16, 32, 26, 0.7);
  transition: color 200ms var(--kb-ease), border-color 200ms var(--kb-ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--kb-black);
  background: var(--kb-yellow);
  border-color: var(--kb-yellow);
}

.page-about .about-rail__idx {
  font-family: var(--kb-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--kb-green-bright);
}

.page-about .about-rail__link:hover .about-rail__idx,
.page-about .about-rail__link:focus-visible .about-rail__idx {
  color: var(--kb-black);
}

.page-about .about-rail__foot {
  display: none;
  margin: 20px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--kb-line);
  font-family: var(--kb-font-mono);
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--kb-gray);
}

.page-about .about-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 9vw, 128px);
  min-width: 0;
}

.page-about .about-sec {
  scroll-margin-top: calc(var(--kb-header-offset) + 32px);
}

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

.page-about .about-sec__index {
  margin: 0;
  font-family: var(--kb-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--kb-black);
  background: var(--kb-green);
  padding: 4px 10px;
  border-radius: 4px;
}

.page-about .about-sec__title {
  margin: 0;
  font-family: var(--kb-font-display);
  font-weight: 700;
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--kb-paper);
}

.page-about .about-sec__rule {
  height: 3px;
  margin: 16px 0 22px;
  background: linear-gradient(90deg, var(--kb-green) 0%, var(--kb-green) 96px, var(--kb-line) 96px);
}

.page-about .about-sec__lede {
  margin: 0 0 30px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--about-soft);
}

.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--kb-line-strong);
  border-radius: var(--kb-radius-sm);
  overflow: hidden;
  background: var(--kb-ink);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04) brightness(0.94);
}

.page-about .about-figure--wide {
  margin-bottom: 30px;
}

.page-about .about-figure--wide img {
  aspect-ratio: 14 / 9;
}

.page-about .about-figure--band {
  margin: 0 0 34px;
}

.page-about .about-figure--band img {
  aspect-ratio: 16 / 6;
}

.page-about .about-figure--side img {
  aspect-ratio: 14 / 9;
}

.page-about .about-figure__cap {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--kb-line);
  font-family: var(--kb-font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--kb-gray);
  background: rgba(16, 32, 26, 0.9);
}

.page-about .about-crew {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-crew__card {
  position: relative;
  padding: 22px 20px 18px;
  border: 1px solid var(--kb-line-strong);
  border-radius: var(--kb-radius-sm);
  background: linear-gradient(180deg, rgba(16, 32, 26, 0.96), rgba(11, 15, 14, 0.96));
  box-shadow: 0 14px 0 -6px rgba(31, 138, 76, 0.24), 0 20px 34px -22px rgba(0, 0, 0, 0.9);
}

.page-about .about-crew__card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--kb-radius-sm) 0 0 var(--kb-radius-sm);
  background: var(--kb-green);
}

.page-about .about-crew__no {
  margin: 0 0 10px;
  font-family: var(--kb-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--kb-blue-soft);
}

.page-about .about-crew__name {
  margin: 0 0 8px;
  font-family: var(--kb-font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--kb-paper);
}

.page-about .about-crew__count {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--kb-yellow);
}

.page-about .about-crew__count .kb-num {
  font-family: var(--kb-font-mono);
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-about .about-crew__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--about-soft);
}

.page-about .about-crew__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--kb-green);
  border-radius: 999px;
  background: transparent;
  color: var(--kb-green-bright);
  font-family: var(--kb-font-body);
  font-size: 13px;
  cursor: pointer;
  transition: background 200ms var(--kb-ease), color 200ms var(--kb-ease);
}

.page-about .about-crew__trigger::after {
  content: "+";
  font-family: var(--kb-font-mono);
  font-size: 14px;
}

.page-about .about-crew__trigger:hover,
.page-about .about-crew__trigger:focus-visible {
  background: var(--kb-green);
  color: var(--kb-black);
}

.page-about .kb-disclosure[data-open="true"] .about-crew__trigger,
.page-about .about-crew__card[data-open="true"] .about-crew__trigger {
  background: var(--kb-yellow);
  border-color: var(--kb-yellow);
  color: var(--kb-black);
}

.page-about .about-crew__card[data-open="true"] .about-crew__trigger::after {
  content: "−";
}

.page-about .kb-disclosure__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 240ms var(--kb-ease);
}

.page-about .kb-disclosure[data-open="true"] .kb-disclosure__panel,
.page-about .about-crew__card[data-open="true"] .kb-disclosure__panel {
  max-height: 420px;
}

.page-about .kb-disclosure__inner {
  padding-top: 16px;
}

.page-about .about-crew__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--kb-line);
}

.page-about .about-crew__list li {
  position: relative;
  padding: 11px 0 11px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-soft);
  border-bottom: 1px solid var(--kb-line);
}

.page-about .about-crew__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 2px;
  background: var(--kb-green-bright);
}

.page-about .about-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--kb-line-strong);
}

.page-about .about-steps__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--kb-line);
  transition: background 200ms var(--kb-ease);
}

.page-about .about-steps__item:hover {
  background: rgba(31, 138, 76, 0.08);
}

.page-about .about-steps__no {
  margin: 0;
  font-family: var(--kb-font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--kb-green);
}

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

.page-about .about-steps__name {
  margin: 0 0 6px;
  font-family: var(--kb-font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--kb-paper);
}

.page-about .about-steps__text {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.74;
  color: var(--about-soft);
}

.page-about .kb-tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--kb-line-strong);
  border-radius: 4px;
  font-family: var(--kb-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kb-gray);
}

.page-about .kb-tag--scope {
  border-color: rgba(46, 125, 247, 0.5);
  color: var(--kb-blue-soft);
}

.page-about .kb-tag--review {
  border-color: rgba(255, 106, 61, 0.6);
  color: var(--kb-orange);
}

.page-about .kb-tag--version {
  border-color: rgba(242, 194, 24, 0.55);
  color: var(--kb-yellow);
}

.page-about .about-scale {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 18px;
}

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

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 0 22px;
  padding: 22px 0 22px 26px;
  border-bottom: 1px solid var(--kb-line);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--kb-line-strong);
}

.page-about .about-timeline__dot {
  position: absolute;
  left: 0;
  top: 30px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--kb-line-strong);
  transition: background 320ms var(--kb-ease), box-shadow 320ms var(--kb-ease);
}

.page-about .about-timeline__item.is-visible .about-timeline__dot {
  background: var(--kb-green-bright);
  box-shadow: 0 0 0 5px var(--kb-green-wash);
}

.page-about .about-timeline__year {
  margin: 0;
  font-family: var(--kb-font-mono);
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--kb-gray);
  transition: color 320ms var(--kb-ease);
}

.page-about .about-timeline__item.is-visible .about-timeline__year {
  color: var(--kb-yellow);
}

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

.page-about .about-timeline__name {
  margin: 0 0 6px;
  font-family: var(--kb-font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--kb-paper);
}

.page-about .about-timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--about-soft);
}

.page-about .about-timeline__item--now {
  background: var(--kb-green-wash);
  border-radius: var(--kb-radius-sm);
  padding-left: 26px;
  padding-right: 16px;
}

.page-about .about-timeline__item--now .about-timeline__name {
  color: var(--kb-green-bright);
}

.page-about .about-region {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

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

.page-about .about-region__text > p {
  margin: 0 0 22px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--about-soft);
}

.page-about .about-region__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--kb-line);
}

.page-about .about-region__list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--kb-line);
  font-size: 15px;
  line-height: 1.72;
  color: var(--about-soft);
}

.page-about .about-region__k {
  display: inline-block;
  min-width: 78px;
  margin-right: 12px;
  font-family: var(--kb-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--kb-green-bright);
}

.page-about .about-scope {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-about .about-scope__col {
  padding: 22px 20px;
  border: 1px solid var(--kb-line-strong);
  border-radius: var(--kb-radius-sm);
  background: rgba(16, 32, 26, 0.72);
}

.page-about .about-scope__col--yes {
  border-top: 3px solid var(--kb-green-bright);
}

.page-about .about-scope__col--no {
  border-top: 3px solid var(--kb-orange);
}

.page-about .about-scope__title {
  margin: 0 0 14px;
  font-family: var(--kb-font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--kb-paper);
}

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

.page-about .about-scope__list li {
  position: relative;
  padding: 10px 0 10px 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--about-soft);
  border-bottom: 1px solid var(--kb-line);
}

.page-about .about-scope__list li:last-child {
  border-bottom: 0;
}

.page-about .about-scope__col--yes .about-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 10px;
  height: 2px;
  background: var(--kb-green-bright);
}

.page-about .about-scope__col--no .about-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 10px;
  height: 2px;
  background: var(--kb-orange);
}

.page-about .about-next {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--kb-line-strong);
}

.page-about .about-next__label {
  margin: 0 0 14px;
  font-family: var(--kb-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kb-gray);
}

.page-about .about-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-next__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--kb-line);
  border-left: 3px solid var(--kb-blue);
  border-radius: var(--kb-radius-sm);
  text-decoration: none;
  font-size: 15px;
  color: var(--kb-paper);
  background: rgba(11, 15, 14, 0.6);
  transition: border-color 200ms var(--kb-ease), background 200ms var(--kb-ease);
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  border-left-color: var(--kb-yellow);
  background: rgba(31, 138, 76, 0.16);
}

.page-about .about-next__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--kb-gray);
}

.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 480ms var(--kb-ease), transform 480ms var(--kb-ease);
}

.page-about [data-reveal="x"] {
  transform: translateX(-12px);
}

.page-about [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-stats__item {
    padding: 22px 20px;
  }

  .page-about .about-crew {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-about .about-crew__card:nth-child(1) {
    grid-column: span 7;
  }

  .page-about .about-crew__card:nth-child(2) {
    grid-column: span 5;
    margin-top: 26px;
  }

  .page-about .about-crew__card:nth-child(3) {
    grid-column: span 5;
  }

  .page-about .about-crew__card:nth-child(4) {
    grid-column: span 7;
    margin-top: -14px;
  }

  .page-about .about-scope {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

  .page-about .about-steps__item {
    grid-template-columns: 68px minmax(0, 1fr);
    padding: 22px 0;
  }
}

@media (min-width: 1000px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(250px, 0.6fr);
    align-items: end;
    gap: 56px;
  }

  .page-about .about-body__grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-about .about-rail {
    align-self: start;
    position: sticky;
    top: calc(var(--kb-header-offset) + 24px);
    padding-right: 8px;
    border-right: 1px solid var(--kb-line);
  }

  .page-about .about-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .page-about .about-rail__link {
    border-color: transparent;
    border-radius: 0;
    background: transparent;
    padding: 9px 0 9px 10px;
    border-left: 2px solid var(--kb-line);
    color: var(--about-soft);
    font-size: 14px;
  }

  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible {
    background: transparent;
    border-color: transparent;
    border-left-color: var(--kb-yellow);
    color: var(--kb-yellow);
  }

  .page-about .about-rail__link:hover .about-rail__idx,
  .page-about .about-rail__link:focus-visible .about-rail__idx {
    color: var(--kb-yellow);
  }

  .page-about .about-rail__foot {
    display: block;
  }

  .page-about .about-region {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-timeline__item {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 0 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal],
  .page-about [data-reveal="x"] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .kb-disclosure__panel {
    transition: none;
  }

  .page-about .about-timeline__dot,
  .page-about .about-timeline__year {
    transition: none;
  }
}