/* 書影の有無で情報量や操作位置が変わらないためのカタログ固有スタイル。 */
.catalog-card {
  display: grid;
  grid-template-columns: minmax(5.8rem, 7.2rem) minmax(0, 1fr);
  min-height: 13.25rem;
  overflow: hidden;
}

.catalog-card .card-body {
  min-width: 0;
}

.catalog-cover {
  align-self: stretch;
  background: #ece8df;
  border-right: 1px solid #d8d1c4;
  display: grid;
  min-height: 13.25rem;
  overflow: hidden;
}

a.catalog-cover {
  text-decoration: none;
}

.catalog-card a.catalog-cover:focus-visible {
  outline-offset: -3px;
}

.catalog-cover__image {
  display: block;
  grid-area: 1 / 1;
  height: 100%;
  object-fit: contain;
  padding: .2rem;
  width: 100%;
  z-index: 1;
}

/* 実物の表紙ではないことを明記した、色に依存しない文字組み。 */
.catalog-cover__fallback {
  align-content: space-between;
  background: #f4f1ea;
  color: #3a3732;
  display: grid;
  grid-area: 1 / 1;
  padding: .8rem .65rem;
}

.catalog-cover__status,
.catalog-cover__edition {
  font-size: .74rem;
  letter-spacing: .04em;
  line-height: 1.45;
}

.catalog-cover__title {
  font-family: Georgia, "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.catalog-card .catalog-edition,
.detail-edition-label {
  color: #4d4941;
  font-size: .86rem;
  line-height: 1.45;
}

.catalog-card .card-meta {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .8rem;
}

.catalog-card .card-meta span + span::before {
  content: "・";
  margin-right: .8rem;
}

.catalog-cta-note {
  font-size: .84rem;
  margin: .5rem 0 0;
}

.catalog-empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1rem;
}

.book-hero-cover {
  flex: 0 0 9rem;
}

.book-hero-cover .catalog-cover {
  border: 1px solid #d8d1c4;
  min-height: 13rem;
}

.book-hero-cover .catalog-cover__title {
  font-size: 1.15rem;
}

/* 書誌情報と主要操作を同じ列にまとめ、書影の高さによる空白を作らない。 */
.book-hero-content {
  min-width: 0;
}

.edition-row .edition-heading {
  align-items: flex-start;
  display: flex;
  gap: .9rem;
}

.edition-row .edition-cover-frame {
  display: grid;
  flex: 0 0 4.5rem;
  height: 6.25rem;
  width: 4.5rem;
}

.edition-row .edition-cover-fallback {
  align-content: center;
  background: #f4f1ea;
  border: 1px solid #d8d1c4;
  color: #3a3732;
  display: grid;
  font-size: .72rem;
  grid-area: 1 / 1;
  line-height: 1.4;
  padding: .45rem;
}

.edition-row .edition-cover {
  grid-area: 1 / 1;
  height: 100%;
  object-fit: contain;
  padding: .15rem;
  width: 100%;
  z-index: 1;
}

.catalog-jump {
  align-items: center;
  background: #f0eee7;
  border-left: 4px solid #786044;
  display: flex;
  font-weight: 700;
  gap: .6rem;
  margin: 1rem 0 0;
  padding: .7rem .85rem;
}

.catalog-jump:focus-visible,
.catalog-card a:focus-visible {
  outline: 3px solid #1c5f74;
  outline-offset: 3px;
}

.recruiting-groups {
  scroll-margin-top: 1.5rem;
}

.recruiting-summary {
  margin: .3rem 0 0;
}

/* 公開輪読会と資料は内容の高さに沿って並べ、隣の欄による空白を残さない。 */
.book-community {
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: 24px;
}

.book-community > div > p,
.book-community > aside > p {
  margin: 8px 0 0;
}

.book-community .action-row {
  margin-top: 16px;
}

.book-purchase {
  margin-top: 24px;
}

.book-purchase > .edition-row {
  padding: 0;
  border-bottom: 0;
}

.book-purchase > .edition-row + .edition-row {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.book-purchase > .edition-row > h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.book-purchase > .edition-row > :last-child {
  margin-bottom: 0;
}

/* 目次は枠の見出しで開閉し、版の追加は区切り線から余白を取る。 */
.book-toc {
  padding: 0;
}

.book-toc-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 16px 24px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.book-toc-summary > h2 {
  margin: 0;
}

.book-toc > h2 {
  margin: 0;
  padding: 16px 24px;
}

.book-toc-content {
  margin: 0;
  padding: 0 24px 24px;
}

.book-toc-edition-picker {
  display: grid;
  gap: 8px;
  width: min(100%, 380px);
  padding: 8px 0 16px;
}

.book-toc-edition-picker > label {
  font-size: .9rem;
  font-weight: 700;
}

.book-toc-edition-picker > select {
  width: 100%;
  min-width: 0;
}

.book-toc-content > .edition-row {
  padding: 8px 0 16px;
  border-bottom: 0;
}

.book-toc-content > .edition-row[hidden] {
  display: none;
}

.book-toc-content > .edition-row:last-child {
  padding-bottom: 0;
}

.book-toc-content > .edition-row > h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.book-toc-content > .edition-row > .toc-entries {
  margin: 0;
}

.book-toc-content > .edition-row > :last-child {
  margin-bottom: 0;
}

.book-toc-content .edition-row .action-row {
  margin-top: 16px;
}

.book-toc-content > .book-toc-actions {
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.toc-entries {
  padding-left: 1.2rem;
}

.toc-entries .toc-entries {
  border-left: 2px solid #d8d1c4;
  margin: .45rem 0 .25rem;
  padding-left: 1rem;
}

@media (max-width: 700px) {
  .catalog-card {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    min-height: 11rem;
  }

  .catalog-cover {
    min-height: 11rem;
  }

  .book-hero-cover {
    flex-basis: 7rem;
  }

  .book-hero-cover .catalog-cover {
    min-height: 10.5rem;
  }
}

@media (max-width: 430px) {
  .catalog-card {
    grid-template-columns: 4.8rem minmax(0, 1fr);
  }

  .catalog-cover {
    min-height: 10.5rem;
  }

  .detail-hero {
    align-items: flex-start;
  }

  .book-hero-cover {
    flex-basis: 5.8rem;
  }

  .book-hero-cover .catalog-cover {
    min-height: 9rem;
  }

  .catalog-cover__title {
    font-size: .88rem;
  }
  .catalog-card .catalog-cover__title,
  .book-hero-cover .catalog-cover__title { display: none; }
}

/* 正常な書影の余白に代替文言を重ねず、取得失敗時だけ表示する。 */
[data-cover-fallback][aria-hidden="true"] { visibility: hidden; }
[data-cover-image][hidden] { display: none; }

.book-detail-action-area { min-width: 0; }

/* 本の関連情報は同じ版を起点に、会・資料へ順に進める。 */
.book-section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0 0 24px;
}
.book-section-nav a { align-items: center; display: inline-flex; min-height: 44px; }
.book-edition-scope .book-toc-edition-picker { padding-bottom: 0; }
.book-edition-scope .book-toc-edition-picker > .button { margin-top: 8px; }
.book-edition-scope > :last-child { margin-bottom: 0; }
.book-catalog-management { margin-top: 24px; }
.catalog-card .action-row > * { max-width: 100%; }
[id^="book-"], #recruiting-groups { scroll-margin-top: 24px; }

.want-save-dialog [data-want-book-title] { font-weight: 700; overflow-wrap: anywhere; }
.want-notice-choices { margin: 16px 0; padding: 16px; border: 1px solid var(--line); }
.want-notice-choices label { display: flex; align-items: center; gap: 8px; min-height: 44px; cursor: pointer; }
.want-notice-choices input { width: auto; margin: 0; }
.want-save-dialog .action-row { flex-wrap: wrap; }
.want-matching-choice { display: flex; gap: 8px; align-items: flex-start; }
.want-matching-choice input { flex: 0 0 auto; width: auto; margin-top: .45em; }
.want-matching-details { margin: 12px 0; }
.want-matching-details summary { min-height: 44px; cursor: pointer; color: var(--green); font-weight: 600; }
.want-matching-details[open] { padding-bottom: 8px; }
.matching-summary { padding: 18px; margin: 20px 0; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); }
.matching-summary p:first-child { margin-top: 0; }

.want-save-dialog [data-want-remove-title] { font-weight: 700; overflow-wrap: anywhere; }

/* 入力の次に分野・検索を並べ、余白と48pxの操作領域を確保する。 */
@media (max-width: 760px) {
  .catalog-search {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--ui-compact-width, 7rem);
    gap: var(--ui-space-3, 12px);
    align-items: stretch;
  }
  .catalog-search > input[type="search"] { grid-column: 1 / -1; }
  .catalog-search > [data-taxonomy-picker] { min-width: 0; }
  .catalog-search > .button { width: 100%; }
  .catalog-search [data-taxonomy-open] { height: 100%; }
  .detail-hero { padding-bottom: 24px; }
}

/* 本の主検索はキーワード、分野は詳細条件へまとめる。 */
.catalog-search { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; }
.catalog-search-details { grid-column: 1 / -1; min-width: 0; }
.catalog-search-details > summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; width: fit-content; max-width: 100%; }
.catalog-search-fields { padding-top: 12px; max-width: 28rem; }
.catalog-match-explanation { font-size: .85rem; color: var(--ink-soft); overflow-wrap: anywhere; }
[data-discovery-layout="list"] > .catalog-card { grid-template-columns: 4.8rem minmax(0, 1fr); min-height: 0; }
[data-discovery-layout="list"] > .catalog-card .catalog-cover { min-height: 9rem; }
[data-discovery-layout="list"] > .catalog-card .catalog-cover__title { display: none; }
.book-personal-state { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.book-personal-state > h2 { font-size: 1rem; margin-block: 0 8px; }
.book-notification-settings > summary { display: flex; align-items: center; min-height: 44px; cursor: pointer; }
.book-notification-settings .want-controls { padding-top: 12px; }
.book-next-steps { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.book-next-steps > h3 { margin-top: 0; }
@media (max-width: 430px) {
  .catalog-search > input[type="search"] { grid-column: 1; min-width: 0; }
  .catalog-search > button { grid-column: 2; width: auto; }
}