/* Contents of a long guide, placed after its introduction (Comprendre / Understand).
   Built by scripts/build-chapter-toc.mjs from the page's own chapter labels. */

.chapter-toc {
  --toc-ink: var(--understand-ink, var(--ink, #171a18));
  --toc-muted: var(--understand-muted, var(--muted, #5b615b));
  --toc-accent: var(--understand-brick, var(--terra-interactive, #963723));
  --toc-line: var(--understand-line, rgba(23, 26, 24, 0.17));
  width: var(--understand-wrap, min(1120px, calc(100% - 48px)));
  margin: clamp(48px, 6vw, 72px) auto 0;
  padding-bottom: clamp(48px, 6vw, 72px);
  color: var(--toc-ink);
}
.chapter-toc-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 32px;
  margin-bottom: 26px;
}
.chapter-toc-head h2 {
  margin: 0;
  font-family: var(--serif, Newsreader, Georgia, serif);
  font-size: clamp(32px, 3.2vw, 44px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.chapter-toc-head p { margin: 0; color: var(--toc-muted); font-size: 16px; line-height: 1.5; }

.chapter-toc-parts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px clamp(24px, 3.4vw, 48px);
}
.chapter-toc-part h3 {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--toc-ink);
  font-family: var(--sans, "Instrument Sans", Arial, sans-serif);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.35;
}
.chapter-toc-part ol { margin: 0; padding: 0; list-style: none; }
.chapter-toc-part li { border-bottom: 1px solid var(--toc-line); }
.chapter-toc a.chapter-toc-link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px;
  padding: 13px 0;
  color: var(--toc-ink);
  text-decoration: none;
}
.chapter-toc-num { color: var(--toc-accent); font: 600 12px/1 var(--mono, ui-monospace, monospace); letter-spacing: 0.04em; }
.chapter-toc-title { font-size: 16.5px; font-weight: 500; line-height: 1.35; }
.chapter-toc-time { color: var(--toc-muted); font-size: 13px; line-height: 1.35; white-space: nowrap; }
.chapter-toc a.chapter-toc-link:hover .chapter-toc-title,
.chapter-toc a.chapter-toc-link:focus-visible .chapter-toc-title {
  color: var(--toc-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.chapter-toc a.chapter-toc-link:focus-visible { outline: 2px solid var(--toc-accent); outline-offset: 2px; }

.chapter-toc-more { margin: 22px 0 0; color: var(--toc-muted); font-size: 15px; line-height: 1.5; }
.chapter-toc-more a { color: var(--toc-accent); font-weight: 600; text-underline-offset: 3px; }

@media (max-width: 860px) {
  .chapter-toc-parts { grid-template-columns: minmax(0, 1fr); gap: 30px; }
}
@media (max-width: 640px) {
  .chapter-toc { width: var(--understand-wrap, calc(100% - 30px)); }
  .chapter-toc-head { display: block; }
  .chapter-toc-head p { margin-top: 10px; font-size: 15px; }
  .chapter-toc-title { font-size: 16px; }
}
@media print {
  .chapter-toc { display: none; }
}