/* ==========================================================================
   書籍紹介ページ（discography/*.html）専用スタイル
   ========================================================================== */

.book-detail {
  width: 100%;
}

.book-detail__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 36px var(--container-padding) 80px;
}

/* --------------------------------------------------------------------
   breadcrumb
   -------------------------------------------------------------------- */

.book-detail__breadcrumb {
  margin-bottom: 32px;
  font-size: 12.5px;
  color: var(--color-sub-light);
}

.book-detail__breadcrumb a {
  color: var(--color-sub-light);
}

.book-detail__breadcrumb-sep {
  margin: 0 8px;
}

.book-detail__breadcrumb-current {
  color: var(--color-text-soft);
}

/* --------------------------------------------------------------------
   layout: cover + body
   -------------------------------------------------------------------- */

.book-detail__layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
}

.book-detail__cover img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4.2;
  object-fit: cover;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-new-book);
}

.book-detail__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.book-detail__series {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--color-sub);
}

.book-detail__title {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 30px;
  line-height: 1.5;
  color: var(--color-text);
}

.book-detail__meta {
  margin: 16px 0 0;
  font-size: 13.5px;
  color: var(--color-sub-light);
}

.book-detail__catch {
  margin: 26px 0 0;
  padding: 20px 24px;
  background: var(--color-profile-bg);
  border-left: 3px solid var(--color-accent);
  border-radius: 4px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--color-text);
}

.book-detail__desc {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--color-text-mid);
}

.book-detail__desc p {
  margin: 0;
}

.book-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.book-detail__back {
  display: inline-block;
  margin-top: 56px;
  font-size: 13px;
  color: var(--color-sub-light);
}