body.awareness-page {
  --awareness-hero-title-rgb: 31, 51, 87;
  --awareness-hero-title-hover-rgb: 38, 60, 100;
  --awareness-hero-tagline-rgb: 31, 51, 87;
  --awareness-hero-tagline-sub-rgb: 43, 66, 108;
  --awareness-ui-text-rgb: 74, 102, 145;
  --awareness-ui-text-strong-rgb: 43, 66, 108;
  --as-topbar-divider-color: rgba(var(--awareness-ui-text-rgb), 0.34);
  --as-topbar-title-color: rgba(var(--awareness-ui-text-strong-rgb), 0.96);
  --as-topbar-title-hover-color: rgba(var(--awareness-ui-text-strong-rgb), 1);
  --as-topbar-subtitle-color: rgba(var(--awareness-ui-text-rgb), 0.82);
  --as-topbar-meta-color: rgba(var(--awareness-ui-text-rgb), 0.78);
  --as-topbar-meta-author-color: rgba(var(--awareness-ui-text-rgb), 0.8);
  --as-topbar-link-color: rgba(var(--awareness-ui-text-rgb), 0.86);
  --as-topbar-link-hover-color: rgba(var(--awareness-ui-text-strong-rgb), 0.98);
  --as-topbar-link-hover-bg: rgba(var(--awareness-ui-text-rgb), 0.12);
  --as-topbar-note-divider-color: rgba(var(--awareness-ui-text-rgb), 0.26);
  --as-topbar-note-color: rgba(var(--awareness-ui-text-rgb), 0.82);
  --as-topbar-lang-color: rgba(var(--awareness-ui-text-strong-rgb), 0.96);
  --as-topbar-lang-border: rgba(var(--awareness-ui-text-rgb), 0.32);
  --as-topbar-lang-bg: rgba(var(--awareness-ui-text-rgb), 0.1);
  --as-topbar-nav-border: rgba(var(--awareness-ui-text-rgb), 0.22);
  --as-topbar-toggler-border: rgba(var(--awareness-ui-text-rgb), 0.55);
  --as-topbar-toggler-focus: rgba(var(--awareness-ui-text-rgb), 0.28);
  /* トップバーの地は明るく、下にカードが入っても文字が読める濃さにする（#63-5）。
     今までは rgba(10,14,24,.10) で、暗いカードが下に来ると濃紺の文字が沈んだ。 */
  --as-topbar-bg-start: rgba(238, 243, 250, 0.86);
  --as-topbar-bg-end: rgba(230, 237, 246, 0.82);
  background:
    radial-gradient(circle at 18% 18%, rgba(46, 72, 116, 0.18), transparent 38%),
    radial-gradient(circle at 78% 28%, rgba(74, 114, 179, 0.14), transparent 42%),
    #050508;
}

/* WebGL が使えないとき・動きを減らす設定のときの、動かない背景（#63-4）。
   シェーダーの色合いに近い、白から淡い水色へのグラデーション。下のヒーローの文字が読めるよう、下端も明るく保つ。 */
html.as-bg-static #canvas-container {
  background:
    radial-gradient(ellipse at 62% 46%, rgba(186, 236, 250, 0.45), transparent 55%),
    linear-gradient(180deg, #f4f8fc 0%, #e4eef7 48%, #d2e1ee 100%);
}

html.as-bg-static #canvas-container canvas {
  display: none;
}

#canvas-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.awareness-page #overlay {
  bottom: 11%;
  opacity: 0.92;
  filter: blur(0);
  transform: none;
  max-width: min(70vw, 760px);
}

.awareness-page #title-h1 {
  letter-spacing: clamp(0.16em, 1.0vmin, 0.34em);
}

.awareness-page #taglines {
  max-width: min(62vw, 560px);
}

#hero-spacer {
  height: 118vh;
}

#knowledge-section,
#evidence-section,
#workspace-section {
  position: relative;
  z-index: var(--as-z-raised);
}

.card-section-container {
  border: 1px solid rgba(var(--color-accent), 0.12);
  border-radius: 0.5rem;
  background: rgba(20, 25, 40, 0.6);
  padding: 0.9rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.card-container {
  margin-top: 0;
}

.card-column {
  display: flex;
}

.card-column > .img-card {
  width: 100%;
}

/* === shared image card (as 正本 techo#58) === */
.img-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 100%;
  background: rgba(20, 25, 40, 0.78);
  border: 1px solid rgba(var(--color-accent), 0.16);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  overflow: hidden;
  transition: transform var(--ds-transition-snappy), box-shadow var(--ds-transition-snappy), border-color var(--ds-transition-snappy);
}

.img-card-media {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.img-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  min-height: 100%;
}

.img-card-kicker {
  margin: 0 0 0.55rem;
  color: rgba(var(--color-sub-text), 0.7);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.img-card-title {
  margin: 0 0 0.8rem;
  color: #fff;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  font-family: 'Noto Serif JP', Georgia, serif;
}

.img-card-text {
  margin: 0;
  flex: 1 1 auto;
  color: rgba(var(--color-sub-text), 0.82);
  font-size: 0.875rem;
  line-height: 1.8;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', 'Noto Sans JP', sans-serif;
}

.img-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(var(--color-accent), 0.15);
}

.img-card:focus-visible {
  outline: 2px solid rgba(var(--color-accent), 0.8);
  outline-offset: 4px;
}

.awareness-panel {
  margin-top: 1.25rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(var(--color-accent), 0.16);
  border-radius: 4px;
  background: rgba(20, 25, 40, 0.72);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.awareness-panel-lead {
  margin: 0 0 0.9rem;
  color: rgba(var(--color-heading), 0.88);
  line-height: 1.9;
}

.awareness-list {
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(var(--color-sub-text), 0.74);
  line-height: 1.9;
}

.offcanvas-kesson {
  --bs-offcanvas-width: var(--as-offcanvas-width);
  width: var(--as-offcanvas-width);
  background: var(--as-offcanvas-bg);
}

.offcanvas-kesson .offcanvas-title {
  color: var(--as-offcanvas-heading);
  letter-spacing: 0.15em;
}

.offcanvas-kesson .offcanvas-header {
  border-bottom: 1px solid rgba(var(--color-accent), 0.12);
}

.offcanvas-kesson .offcanvas-body::-webkit-scrollbar {
  width: 6px;
}

.offcanvas-kesson .offcanvas-body::-webkit-scrollbar-thumb {
  background: var(--as-scrollbar-thumb);
  border-radius: 3px;
}

@media (max-width: 767.98px) {
  .awareness-page #overlay {
    left: 6%;
    right: 6%;
    max-width: none;
  }

  .awareness-page #taglines {
    max-width: none;
  }

  #hero-spacer {
    height: 96vh;
  }
}