/* V294: official note discovery hub and crawlable homepage entry. */
.koto-official-note-section,
.official-note-page {
  --note-navy: #071d40;
  --note-panel: #0d2b59;
  --note-cyan: #55e5ff;
  --note-orange: #ff9a45;
  --note-ink: #f8fbff;
  --note-muted: #c8d9ef;
}

.koto-official-note-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(85, 229, 255, .34);
  background:
    radial-gradient(circle at 94% 12%, rgba(126, 83, 255, .22), transparent 36%),
    linear-gradient(145deg, #071d40 0%, #0b2b5b 100%);
  color: var(--note-ink);
}

.koto-official-note-section::after {
  content: "note";
  position: absolute;
  right: -18px;
  bottom: -44px;
  color: rgba(85, 229, 255, .07);
  font: 900 clamp(110px, 18vw, 250px)/1 sans-serif;
  pointer-events: none;
}

.koto-official-note-copy,
.koto-official-note-topics { position: relative; z-index: 1; }
.koto-official-note-kicker,
.official-note-eyebrow,
.official-note-section-label {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 14px;
  color: var(--note-cyan);
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .18em;
}
.koto-official-note-copy h2 {
  margin: 0 0 18px;
  color: var(--note-ink);
  -webkit-text-fill-color: var(--note-ink);
  font-size: clamp(2rem, 4vw, 3.5rem);
}
.koto-official-note-copy h2 em { color: var(--note-cyan); -webkit-text-fill-color: var(--note-cyan); }
.koto-official-note-copy p { max-width: 720px; color: var(--note-muted); font-size: 1.05rem; line-height: 1.9; }
.koto-official-note-topics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.koto-official-note-topics span {
  padding: 15px 12px;
  border: 1px solid rgba(85, 229, 255, .28);
  border-radius: 16px;
  background: rgba(2, 14, 35, .54);
  color: var(--note-ink);
  font-weight: 800;
  text-align: center;
}

.official-note-page { max-width: 1120px; margin: 0 auto; padding: clamp(24px, 5vw, 72px) 0; color: var(--note-ink); }
.official-note-hero,
.official-note-section,
.official-note-related {
  margin-bottom: 28px;
  padding: clamp(24px, 5vw, 64px);
  border: 1px solid rgba(85, 229, 255, .3);
  border-radius: clamp(22px, 4vw, 38px);
  background: linear-gradient(145deg, rgba(13, 43, 89, .98), rgba(5, 24, 54, .98));
  box-shadow: 0 24px 64px rgba(0, 7, 24, .28);
}
.official-note-hero { background: radial-gradient(circle at 88% 12%, rgba(126, 83, 255, .28), transparent 36%), linear-gradient(145deg, #0d2b59, #061a3b); }
.official-note-hero .breadcrumb,
.official-note-hero .breadcrumb a,
.official-note-hero .breadcrumb span { color: #d8e7f8; -webkit-text-fill-color: #d8e7f8; }
.official-note-hero h1 { margin: 18px 0; color: #fff; -webkit-text-fill-color: #fff; font-size: clamp(2.4rem, 6vw, 5.5rem); line-height: 1.08; }
.official-note-lead { max-width: 820px; color: var(--note-muted); -webkit-text-fill-color: var(--note-muted); font-size: clamp(1.05rem, 2vw, 1.28rem); line-height: 2; }
.official-note-primary-link { margin-top: 20px; }
.official-note-domain { margin: 12px 0 0; color: #a9c8e7; overflow-wrap: anywhere; }
.official-note-status { max-width: 820px; margin-top: 24px; padding: 20px; border: 1px solid rgba(255, 154, 69, .55); border-radius: 18px; background: rgba(62, 33, 8, .52); }
.official-note-status strong { color: #ffd2ab; -webkit-text-fill-color: #ffd2ab; }
.official-note-status p { margin: 8px 0 0; color: #f7e3d2; -webkit-text-fill-color: #f7e3d2; }
.official-note-section h2,
.official-note-related h2 { margin: 0 0 20px; color: #fff; -webkit-text-fill-color: #fff; font-size: clamp(1.7rem, 3.2vw, 2.7rem); }
.official-note-section > p { color: var(--note-muted); -webkit-text-fill-color: var(--note-muted); font-size: 1.04rem; line-height: 1.9; }
.official-note-topic-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.official-note-topic-grid article { padding: 22px; border: 1px solid rgba(85, 229, 255, .2); border-radius: 18px; background: rgba(2, 14, 35, .58); }
.official-note-topic-grid strong { color: #fff; -webkit-text-fill-color: #fff; font-size: 1.08rem; }
.official-note-topic-grid p { margin: 8px 0 0; color: var(--note-muted); -webkit-text-fill-color: var(--note-muted); line-height: 1.75; }
.official-note-verification { border-color: rgba(255, 154, 69, .4); }
.official-note-related > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.official-note-related a { display: grid; gap: 6px; min-height: 110px; padding: 20px; border: 1px solid rgba(85, 229, 255, .25); border-radius: 18px; background: rgba(2, 14, 35, .58); text-decoration: none; }
.official-note-related a strong { color: #fff; -webkit-text-fill-color: #fff; }
.official-note-related a span { color: var(--note-muted); -webkit-text-fill-color: var(--note-muted); }
.official-note-related a:hover,
.official-note-related a:focus-visible { border-color: var(--note-cyan); transform: translateY(-2px); }

@media (max-width: 760px) {
  .koto-official-note-section { grid-template-columns: 1fr; }
  .koto-official-note-topics,
  .official-note-topic-grid,
  .official-note-related > div { grid-template-columns: 1fr; }
  .official-note-page { padding-inline: 0; }
  .official-note-hero,
  .official-note-section,
  .official-note-related { padding: 24px 20px; border-radius: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .official-note-related a { transition: none; }
  .official-note-related a:hover,
  .official-note-related a:focus-visible { transform: none; }
}