/* cozine ― 紙のような、静かな見た目 */
:root {
  --cz-paper: #f6f3ee;
  --cz-sheet: #fbf9f5;
  --cz-ink: #2b2724;
  --cz-sub: #7d746c;
  --cz-line: #e2dcd3;
  --cz-accent: #a8513a;
  --cz-danger: #a33b2b;
  --cz-radius: 10px;
  --cz-serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  --cz-sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  --cz-max: 760px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.cz {
  margin: 0;
  background: var(--cz-paper);
  color: var(--cz-ink);
  font-family: var(--cz-sans);
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: .02em;
}
.cz img { max-width: 100%; display: block; }
.cz a { color: inherit; }
[hidden] { display: none !important; }
.screen-reader-text, .cz-hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- ヘッダー・フッター ---------- */
.cz-header {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--cz-max); margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 16px 14px;
}
.cz-logo { font-family: var(--cz-serif); font-size: 20px; letter-spacing: .12em; text-decoration: none; }
.cz-nav { display: flex; gap: 16px; font-size: 13px; }
.cz-nav a, .cz .cz-nav a { text-decoration: none; color: var(--cz-sub); }
.cz-nav a:hover, .cz .cz-nav a:hover { color: var(--cz-ink); }

.cz-main { max-width: var(--cz-max); margin: 0 auto; padding: 8px 16px 48px; }

.cz-footer {
  max-width: var(--cz-max); margin: 0 auto; padding: 32px 16px max(32px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--cz-line); text-align: center; color: var(--cz-sub); font-size: 12px;
}
.cz-footer p { margin: 4px 0; }
.cz-footer-lead { font-family: var(--cz-serif); }
.cz-footer-links a { margin: 0 8px; }

/* ---------- 文字 ---------- */
.cz-h1 { font-family: var(--cz-serif); font-weight: 600; font-size: 22px; letter-spacing: .06em; margin: 8px 0 12px; line-height: 1.5; }
.cz-h2 { font-family: var(--cz-serif); font-weight: 600; font-size: 17px; margin: 0 0 8px; }
.cz-lead { font-size: 15px; }
.cz-note { color: var(--cz-sub); font-size: 13px; }
.cz-empty { color: var(--cz-sub); padding: 32px 0; text-align: center; }
.cz-error { color: var(--cz-danger); background: #f7e6e1; padding: 10px 14px; border-radius: var(--cz-radius); font-size: 14px; }
.cz-link { color: var(--cz-accent); text-decoration: underline; text-underline-offset: 3px; }
.cz-center { text-align: center; }
.cz-byline { color: var(--cz-sub); font-size: 14px; margin: 0; }

/* ---------- まとまり ---------- */
.cz-section { margin: 0 0 36px; }
.cz-panel { background: var(--cz-sheet); border: 1px solid var(--cz-line); border-radius: var(--cz-radius); padding: 28px 20px; margin: 16px 0; }
.cz-narrow { max-width: 440px; margin-left: auto; margin-right: auto; }
.cz-titlebar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.cz-back { margin: 0 0 8px; font-size: 13px; }

/* ---------- フォーム ---------- */
.cz-form { display: grid; gap: 16px; margin: 16px 0; text-align: left; }
.cz-field { display: grid; gap: 6px; border: 0; padding: 0; margin: 0; min-width: 0; }
.cz-field > span, .cz-field legend { font-size: 13px; font-weight: 600; }
.cz-field small { font-weight: 400; color: var(--cz-sub); }
.cz input[type=text], .cz input[type=email], .cz input[type=url], .cz textarea, .cz select {
  width: 100%; font: inherit; font-size: 16px; color: var(--cz-ink);
  background: #fff; border: 1px solid var(--cz-line); border-radius: 8px; padding: 10px 12px;
}
.cz textarea { resize: vertical; line-height: 1.7; }
.cz input:focus, .cz textarea:focus, .cz select:focus { outline: 2px solid var(--cz-accent); outline-offset: 1px; border-color: transparent; }

.cz-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  appearance: none; border: 1px solid var(--cz-ink); background: var(--cz-ink); color: var(--cz-paper);
  font: inherit; font-size: 14px; letter-spacing: .06em; padding: 10px 20px; border-radius: 999px;
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
.cz-btn:disabled { opacity: .5; cursor: default; }
.cz-btn-sub { background: transparent; color: var(--cz-ink); }
.cz-btn-danger { background: transparent; color: var(--cz-danger); border-color: var(--cz-danger); }
.cz-danger { text-align: center; padding-top: 24px; border-top: 1px dashed var(--cz-line); }

.cz-visibility { gap: 8px; }
.cz-radio { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; background: #fff; border: 1px solid var(--cz-line); border-radius: 8px; cursor: pointer; }
.cz-radio input { margin-top: 6px; accent-color: var(--cz-accent); }
.cz-radio span { display: grid; }
.cz-radio small { color: var(--cz-sub); font-size: 12px; line-height: 1.6; }
.cz-radio:has(input:checked) { border-color: var(--cz-accent); }

.cz-sharebox { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; background: var(--cz-sheet); border: 1px solid var(--cz-line); border-radius: var(--cz-radius); padding: 12px; margin: 12px 0; font-size: 13px; }
.cz-sharebox-label { font-weight: 600; flex-basis: 100%; }
.cz-copyfield { flex: 1 1 200px; font-size: 13px !important; padding: 8px 10px !important; color: var(--cz-sub) !important; }
.cz-sharebox .cz-btn { padding: 7px 14px; font-size: 13px; }

.cz-newbook { display: flex; gap: 8px; margin: 0 0 20px; }
.cz-newbook input { flex: 1; }

/* ---------- バッジ ---------- */
.cz-badge { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--cz-line); color: var(--cz-sub); margin-right: 4px; }
.cz-badge-public { border-color: var(--cz-accent); color: var(--cz-accent); }
.cz-badge-locked { border-color: var(--cz-ink); color: var(--cz-ink); }
.cz-badge-blocked { border-color: var(--cz-danger); color: var(--cz-danger); }

/* ---------- 表紙 ---------- */
.cz-cover {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 3 / 4; width: 100%; overflow: hidden;
  background: var(--cz-sheet); border: 1px solid var(--cz-line); border-radius: 4px;
  box-shadow: 0 1px 0 rgba(0,0,0,.03), 4px 4px 0 -1px var(--cz-paper), 4px 4px 0 0 var(--cz-line);
}
.cz-cover img { width: 100%; height: 100%; object-fit: cover; }
.cz-cover.is-empty { background: repeating-linear-gradient(135deg, var(--cz-sheet) 0 8px, #f1ece4 8px 9px); }
.cz-cover-lg { max-width: 180px; margin: 0 auto 16px; }
.cz-lockmark { color: var(--cz-ink); opacity: .7; }

/* マイページの本 */
.cz-mybooks, .cz-shelf { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px 12px; }
@media (min-width: 560px) { .cz-mybooks, .cz-shelf { gap: 28px 20px; } }
.cz-mybook a, .cz-shelf-item a { display: grid; gap: 6px; text-decoration: none; }
.cz-mybook-title, .cz-shelf-title { font-family: var(--cz-serif); font-size: 13px; line-height: 1.5; margin-top: 4px; overflow-wrap: anywhere; }
@media (min-width: 560px) { .cz-mybook-title, .cz-shelf-title { font-size: 14px; } }
.cz-mybook-meta, .cz-shelf-author { font-size: 12px; color: var(--cz-sub); }
.cz-shelf-item.is-locked .cz-cover { background: var(--cz-paper); }

/* 本棚 */
.cz-shelf-head { text-align: center; margin: 8px 0 32px; }
.cz-bio { white-space: normal; color: var(--cz-ink); margin: 4px 0; }
.cz-shelf-link { font-size: 13px; margin: 4px 0; }

/* 招待コード */
.cz-codes { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.cz-code { display: flex; gap: 8px; }
.cz-code.is-used { color: var(--cz-sub); font-size: 13px; padding: 8px 0; }

/* ---------- 編集の写真 ---------- */
.cz-upload { cursor: pointer; }
.cz-status { font-size: 13px; color: var(--cz-accent); }
.cz-counter { color: var(--cz-accent); }
.cz-photos { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 12px; }
@media (min-width: 560px) { .cz-photos { grid-template-columns: repeat(4, 1fr); } }
.cz-photo { background: var(--cz-sheet); border: 1px solid var(--cz-line); border-radius: 8px; padding: 8px; display: grid; gap: 6px; }
.cz-photo.is-cover { border-color: var(--cz-accent); }
.cz-photo-img { position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 4px; background: #eee; cursor: grab; }
.cz-photo-img img { width: 100%; height: 100%; object-fit: cover; }
.cz-photo-handle { position: absolute; top: 4px; right: 6px; color: #fff; text-shadow: 0 0 4px rgba(0,0,0,.6); font-size: 12px; }
.cz-caption { font-size: 13px !important; padding: 6px 8px !important; }
.cz-photo-tools { display: flex; flex-wrap: wrap; gap: 4px; }
.cz-tool { appearance: none; background: #fff; border: 1px solid var(--cz-line); border-radius: 6px; font: inherit; font-size: 12px; padding: 3px 8px; cursor: pointer; color: var(--cz-ink); }
.cz-tool-cover { color: var(--cz-sub); }
.cz-photo.is-cover .cz-tool-cover { color: #fff; background: var(--cz-accent); border-color: var(--cz-accent); }
.cz-tool-del { color: var(--cz-danger); margin-left: auto; }
.sortable-ghost { opacity: .4; }

/* 入れ替えの選択 */
.cz-dialog { border: 0; border-radius: var(--cz-radius); padding: 20px; max-width: 560px; width: calc(100% - 32px); background: var(--cz-sheet); color: var(--cz-ink); }
.cz-dialog::backdrop { background: rgba(43,39,36,.5); }
.cz-replace-new img { max-height: 140px; margin: 0 auto 12px; border-radius: 4px; }
.cz-replace-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; max-height: 50vh; overflow: auto; }
.cz-replace-item { appearance: none; border: 2px solid transparent; padding: 0; background: none; aspect-ratio: 1; cursor: pointer; border-radius: 4px; overflow: hidden; }
.cz-replace-item:hover, .cz-replace-item:focus { border-color: var(--cz-accent); }
.cz-replace-item img { width: 100%; height: 100%; object-fit: cover; }
.cz-dialog-actions { text-align: right; margin-top: 12px; }

/* ---------- 本のページ ---------- */
.cz-ownerbar { display: flex; justify-content: space-between; font-size: 13px; color: var(--cz-sub); background: var(--cz-sheet); border: 1px dashed var(--cz-line); border-radius: 8px; padding: 8px 12px; margin-bottom: 16px; }
.cz-book-cover { text-align: center; margin: 0 0 28px; }
.cz-book-coverimg { max-width: 240px; margin: 0 auto 20px; aspect-ratio: 3 / 4; overflow: hidden; border-radius: 4px; box-shadow: 0 10px 30px -18px rgba(43,39,36,.6); }
.cz-book-coverimg img { width: 100%; height: 100%; object-fit: cover; }
.cz-book-title { font-family: var(--cz-serif); font-weight: 600; font-size: 26px; letter-spacing: .08em; line-height: 1.5; margin: 0 0 6px; }
.cz-book-desc { max-width: 520px; margin: 16px auto 0; font-size: 14px; text-align: center; }
.cz-book-tools { display: flex; justify-content: center; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.cz-bookmark { appearance: none; border: 1px solid var(--cz-line); background: transparent; font: inherit; font-size: 13px; padding: 6px 16px; border-radius: 999px; cursor: pointer; color: var(--cz-ink); }
.cz-bookmark .cz-bookmark-on { display: none; }
.cz-bookmark.is-on { border-color: var(--cz-accent); color: var(--cz-accent); }
.cz-bookmark.is-on .cz-bookmark-on { display: inline; }
.cz-bookmark.is-on .cz-bookmark-off { display: none; }

/* 本の中身: 4列のカード */
.cz-cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
@media (min-width: 560px) { .cz-cards { gap: 14px; } }
.cz-card {
  display: block; width: 100%; aspect-ratio: 1; padding: 0; border: 0; cursor: zoom-in;
  background: var(--cz-sheet); border-radius: 4px; overflow: hidden;
  box-shadow: 0 1px 2px rgba(43,39,36,.08), 0 6px 16px -10px rgba(43,39,36,.35);
  transition: transform .15s ease;
}
.cz-card img { width: 100%; height: 100%; object-fit: cover; }
.cz-card:hover { transform: translateY(-2px); }
.cz-card:focus-visible { outline: 2px solid var(--cz-accent); outline-offset: 2px; }

/* 拡大表示 */
.cz-noscroll, .cz-noscroll body { overflow: hidden; }
.cz-lightbox {
  border: 0; padding: 0; margin: 0; width: 100%; height: 100%; max-width: none; max-height: none;
  background: rgba(246, 243, 238, .97); color: var(--cz-ink);
  display: none; flex-direction: column; align-items: center; justify-content: center;
}
.cz-lightbox[open] { display: flex; }
.cz-lightbox::backdrop { background: rgba(246, 243, 238, .97); }
.cz-lb-figure { margin: 0; padding: 56px 16px 8px; display: flex; flex-direction: column; align-items: center; max-width: 100%; }
.cz-lb-img { max-width: min(100%, 900px); max-height: calc(100vh - 220px); max-height: calc(100dvh - 220px); width: auto; height: auto; object-fit: contain; border-radius: 2px; box-shadow: 0 12px 32px -20px rgba(43,39,36,.6); }
.cz-lb-caption { font-family: var(--cz-serif); text-align: center; max-width: 480px; margin: 18px auto 0; font-size: 15px; line-height: 1.8; padding: 0 8px; }
.cz-lb-nav { display: flex; align-items: center; gap: 24px; padding: 12px 16px max(16px, env(safe-area-inset-bottom)); }
.cz-lb-count { font-size: 12px; letter-spacing: .14em; color: var(--cz-sub); min-width: 56px; text-align: center; }
.cz-lb-prev, .cz-lb-next, .cz-lb-close {
  appearance: none; border: 1px solid var(--cz-line); background: var(--cz-sheet); color: var(--cz-ink);
  width: 44px; height: 44px; border-radius: 999px; font: inherit; font-size: 18px; cursor: pointer; line-height: 1;
}
.cz-lb-close { position: absolute; top: max(12px, env(safe-area-inset-top)); right: 12px; font-size: 22px; }

.cz-colophon { text-align: center; border-top: 1px solid var(--cz-line); padding-top: 32px; margin-top: 24px; font-size: 13px; color: var(--cz-sub); }
.cz-colophon-title { font-family: var(--cz-serif); font-size: 16px; color: var(--cz-ink); margin: 0 0 4px; }
.cz-made { margin-top: 16px; }

.cz-report { margin: 40px auto 0; max-width: 440px; font-size: 13px; color: var(--cz-sub); }
.cz-report summary { cursor: pointer; text-align: center; }

.cz-passform { grid-template-columns: 1fr auto; align-items: end; }

/* ---------- お知らせ ---------- */
.cz-toast { position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); transform: translate(-50%, 20px); background: var(--cz-ink); color: var(--cz-paper); padding: 10px 18px; border-radius: 999px; font-size: 13px; opacity: 0; pointer-events: none; transition: .2s; z-index: 100; max-width: calc(100% - 32px); text-align: center; }
.cz-toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* 本棚のURL */
.cz-slugfield { display: flex; align-items: stretch; background: #fff; border: 1px solid var(--cz-line); border-radius: 8px; overflow: hidden; }
.cz-slugfield:focus-within { outline: 2px solid var(--cz-accent); outline-offset: 1px; }
.cz-slugprefix { display: flex; align-items: center; padding: 0 2px 0 12px; color: var(--cz-sub); font-size: 13px; white-space: nowrap; }
.cz .cz-slugfield input[type=text] { border: 0; border-radius: 0; padding-left: 0; min-width: 0; }
.cz .cz-slugfield input[type=text]:focus { outline: none; }

/* WordPress のページに置いた共通ヘッダー・フッター */
.cz-chrome { font-family: var(--cz-sans); color: var(--cz-ink); font-size: 15px; line-height: 1.8; letter-spacing: .02em; }
.cz-chrome .cz-header, .cz-chrome .cz-footer { box-sizing: border-box; }
.cz-chrome p { margin: 4px 0; }

/* 表紙の設定 */
.cz-coverbox { display: flex; gap: 16px; align-items: flex-start; }
.cz-coverbox .cz-cover { width: 96px; flex: none; }
.cz-coverbox-body { display: grid; gap: 10px; justify-items: start; }
.cz-coverbox-body .cz-note { margin: 0; }
.cz-linkbtn { appearance: none; background: none; border: 0; padding: 0; font: inherit; font-size: 13px; cursor: pointer; }