/* 見出し・本文・縦書き・断章の文字階層を定義するCSS。 */
/* v1の16px本文、h1最大64px、h2最大40pxを継承する。 */
h1,
h2,
h3 {
  font-weight: 500;
}

h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  letter-spacing: 0.1em;
  line-height: 1.45;
}

.hero__title {
  font-size: clamp(2.75rem, 5vw, 4rem);
  letter-spacing: 0.13em;
  line-height: 1.05;
}

.hero__role {
  color: var(--accent);
  font-size: 0.875rem;
  letter-spacing: 0.28em;
}

.hero__catch {
  font-size: clamp(1rem, 2.1vw, 1.35rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.9;
}

.chapter-number {
  color: var(--sepia);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  line-height: 1;
}

.chapter-title__number {
  color: var(--sepia);
  font-size: clamp(2.75rem, 5vw, 4rem);
  letter-spacing: 0.13em;
  line-height: 1;
}

.chapter-title__copy h3 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.55;
}

.table-of-contents__list small {
  color: var(--sepia);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.14em;
}

.news-item time,
.book-spread__index,
.section-kicker {
  color: var(--sepia);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.14em;
}

.book-spread h3 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: 0.05em;
  line-height: 1.55;
}

.book-spread__summary {
  font-size: 0.95rem;
  line-height: 2;
}

.book-fragment {
  font-size: clamp(1rem, 1.9vw, 1.25rem);
  letter-spacing: 0.11em;
  line-height: 2.3;
}

.book-opening-page__chapter {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
}

.book-opening-page__sentence {
  font-size: clamp(1rem, 1.9vw, 1.25rem);
  letter-spacing: 0.08em;
  line-height: 2.3;
}

.book-opening-page__seal {
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

[data-fragment-line] {
  white-space: nowrap;
}

.request-list {
  line-height: 1.8;
}

.resume-link small,
.sample-note,
.site-footer {
  color: var(--sepia);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.book-spread--night .book-spread__index,
.book-spread--night .sample-note {
  color: var(--paper-deep);
}

.closing-line {
  font-size: 1.25rem;
  letter-spacing: 0.08em;
}