.page-about {
  --about-pad: clamp(44px, 7vw, 96px);
  --about-text: #C6D2E0;
  --about-line: 1px solid rgba(138, 155, 176, 0.26);
  --about-edge: 2px solid var(--c-panel);
  --about-shadow: 6px 6px 0 0 var(--c-ink);
  --about-shadow-hover: 9px 9px 0 0 var(--c-ink);
  background: var(--c-space);
  color: var(--c-paper);
  padding-bottom: var(--about-pad);
  overflow-x: hidden;
}

.page-about .about-top {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-about .about-block {
  padding-block: clamp(34px, 6vw, 72px);
  border-top: var(--about-line);
}

.page-about .about-hero {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding-block: clamp(22px, 4vw, 40px) clamp(38px, 6vw, 78px);
}

.page-about .about-hero-main,
.page-about .about-split-main {
  min-width: 0;
}

.page-about .about-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 5.4vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 12px 0 20px;
  max-width: 18ch;
}

.page-about .about-lead {
  font-size: clamp(16px, 1.1vw, 18px);
  line-height: 1.85;
  color: var(--about-text);
  max-width: 54ch;
  margin: 0 0 28px;
}

.page-about .about-hero-facts {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}

.page-about .about-hero-facts li {
  border-top: 2px solid var(--c-cyan);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-hero-facts li:nth-child(2) {
  border-top-color: var(--c-orange);
}

.page-about .about-fact-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--c-paper);
  line-height: 1.1;
}

.page-about .about-fact-text {
  font-size: 13px;
  color: var(--c-cool);
  letter-spacing: 0.02em;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero-media {
  margin: 0;
  min-width: 0;
}

.page-about .about-hero-media .media-frame {
  border: var(--about-edge);
  box-shadow: var(--about-shadow);
}

.page-about .media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-cool);
}

.page-about .about-split {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-about .about-h2 {
  font-size: clamp(23px, 3.2vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  margin: 10px 0 18px;
  max-width: 26ch;
}

.page-about .about-p {
  font-size: clamp(15.5px, 1.05vw, 17.5px);
  line-height: 1.85;
  color: var(--about-text);
  margin: 0 0 16px;
  max-width: 62ch;
}

.page-about .about-intro {
  font-size: clamp(15.5px, 1.05vw, 17.5px);
  line-height: 1.85;
  color: var(--about-text);
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 64ch;
}

.page-about .about-note {
  border: var(--about-edge);
  box-shadow: var(--about-shadow);
  background: var(--c-console);
  padding: clamp(18px, 2.4vw, 26px);
  align-self: start;
}

.page-about .about-note-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0 0 14px;
}

.page-about .about-note-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-note-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--about-text);
  border-top: var(--about-line);
  padding-top: 12px;
}

.page-about .about-note-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-note-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  color: var(--c-orange);
  line-height: 1;
}

.page-about .about-note-foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-cool);
}

.page-about .about-stage-nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: clamp(18px, 3vw, 28px);
  -webkit-overflow-scrolling: touch;
}

.page-about .about-stage-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 2px solid var(--c-panel);
  color: var(--c-paper);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  transition: border-color var(--tr), color var(--tr), box-shadow var(--tr);
}

.page-about .about-stage-link:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  box-shadow: 4px 4px 0 0 var(--c-ink);
}

.page-about .about-stage-link:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-about .about-stage-idx {
  color: var(--c-orange);
  font-weight: 700;
}

.page-about .about-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-about .about-node {
  position: relative;
  background: var(--c-console);
  border: var(--about-edge);
  box-shadow: var(--about-shadow);
  padding: clamp(18px, 2.4vw, 28px);
  transition: border-color var(--tr), box-shadow var(--tr);
}

.page-about .about-node:hover,
.page-about .about-node:focus-within {
  border-color: var(--c-cyan);
  box-shadow: var(--about-shadow-hover);
}

.page-about .about-node-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-about .about-node-year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-cool);
  margin-left: auto;
}

.page-about .about-node-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--c-paper);
}

.page-about .about-node-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .about-node-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-cool);
}

.page-about .about-node-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--c-cyan);
}

.page-about .about-team-media,
.page-about .about-eco-media {
  margin: 0;
  min-width: 0;
}

.page-about .about-team-media .media-frame,
.page-about .about-eco-media .media-frame {
  border: var(--about-edge);
  box-shadow: var(--about-shadow);
}

.page-about .about-flow {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
}

.page-about .about-flow-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 2px solid var(--c-panel);
  background: rgba(18, 52, 90, 0.32);
  font-size: 13.5px;
  color: var(--c-paper);
}

.page-about .about-flow-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-orange);
  font-weight: 700;
}

.page-about .about-numbers {
  background: var(--c-console);
}

.page-about .about-stats {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .about-stat {
  border-top: 2px solid var(--c-cyan);
  padding-top: 14px;
  min-width: 0;
}

.page-about .about-stat:nth-child(even) {
  border-top-color: var(--c-orange);
}

.page-about .about-stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.05;
  margin: 0 0 8px;
  color: var(--c-paper);
  letter-spacing: -0.01em;
}

.page-about .about-stat-label {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--c-paper);
}

.page-about .about-stat-desc {
  font-size: 12.5px;
  line-height: 1.7;
  margin: 0;
  color: var(--c-cool);
}

.page-about .about-eco-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-eco-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  align-items: center;
  border-bottom: var(--about-line);
  padding-bottom: 10px;
}

.page-about .about-eco-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 24px;
  color: var(--c-cyan);
  line-height: 1;
}

.page-about .about-eco-text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--about-text);
}

.page-about .about-honor {
  border-left: 2px solid var(--c-orange);
  padding-left: 16px;
}

.page-about .about-honor-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-warn);
  margin: 0 0 8px;
}

.page-about .about-honor .about-p {
  margin-bottom: 0;
}

.page-about .about-entry-grid {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
}

.page-about .about-entry {
  position: relative;
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 24px);
  padding-right: 48px;
  background: var(--c-console);
  border: var(--about-edge);
  box-shadow: var(--about-shadow);
  color: var(--c-paper);
  text-decoration: none;
  transition: border-color var(--tr), box-shadow var(--tr);
}

.page-about .about-entry:hover,
.page-about .about-entry:focus-visible {
  border-color: var(--c-cyan);
  box-shadow: var(--about-shadow-hover);
}

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

.page-about .about-entry-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-orange);
}

.page-about .about-entry-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.25;
}

.page-about .about-entry-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-cool);
}

.page-about .about-entry-arrow {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--c-cyan);
}

.page-about .about-entry--accent {
  border-color: var(--c-orange);
}

.page-about .about-entry--accent .about-entry-arrow {
  color: var(--c-orange);
}

.page-about .about-entry--accent:hover,
.page-about .about-entry--accent:focus-visible {
  border-color: var(--c-orange);
}

@media (min-width: 768px) {
  .page-about .about-track {
    padding-left: 32px;
    position: relative;
  }

  .page-about .about-track::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--c-cyan), var(--c-panel) 60%, var(--c-orange));
  }

  .page-about .about-node::before {
    content: "";
    position: absolute;
    left: -32px;
    top: 24px;
    width: 12px;
    height: 12px;
    box-sizing: border-box;
    background: var(--c-space);
    border: 2px solid var(--c-cyan);
    transition: background var(--tr), border-color var(--tr);
  }

  .page-about .about-node:nth-child(even)::before {
    border-color: var(--c-orange);
  }

  .page-about .about-node:hover::before,
  .page-about .about-node:focus-within::before {
    background: var(--c-cyan);
    border-color: var(--c-cyan);
  }

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

@media (min-width: 1024px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-about .about-split--media {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-about .about-eco .about-split-main {
    order: 1;
  }

  .page-about .about-eco-media {
    order: 2;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-entry-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-entry {
    grid-template-rows: auto auto 1fr;
    padding-right: clamp(16px, 2.2vw, 24px);
  }

  .page-about .about-entry-arrow {
    position: static;
    transform: none;
    justify-self: start;
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-node,
  .page-about .about-entry,
  .page-about .about-stage-link,
  .page-about .about-node::before {
    transition: none;
  }
}