:root{--ink:#172B2D;--sub:#667;--paper:#F7F6F1;--card:#fff;--line:#DDE3E0;--accent:#2F6B66;--ok:#356C46;--warn:#A35F14;--danger:#9A3F3F;--info:#51657A}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic UI",Meiryo,sans-serif}
header{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:#f7f6f1ee;border-bottom:1px solid var(--line);z-index:2}.brand{font-size:24px;font-weight:800}.tag{font-size:12px;color:var(--sub)}
main{max-width:1180px;margin:auto;padding:18px}.search{width:100%;padding:14px;border:1px solid var(--line);border-radius:12px;font-size:16px}.filters{display:flex;gap:8px;overflow:auto;padding:12px 0}.filters button{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 12px;font-weight:700}.filters button.active{background:var(--ink);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.series-card{display:block;width:100%;text-align:left;background:white;border:1px solid var(--line);border-radius:16px;padding:16px;color:inherit;font:inherit;cursor:pointer;min-height:128px;transition:transform .08s ease,box-shadow .08s ease}.series-card:hover{transform:translateY(-1px);box-shadow:0 4px 16px #00000010}.series-card:focus-visible{outline:3px solid #739b96;outline-offset:2px}.name{font-size:17px;font-weight:800}.meta{font-size:12px;color:var(--sub);margin-top:6px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.chip{font-size:11px;padding:5px 8px;border-radius:999px;background:#eef2f0}.ok{background:#e8f3eb;color:var(--ok)}.warn{background:#fff1da;color:var(--warn)}.danger{background:#fce7e7;color:var(--danger)}.info{background:#E8EEF5;color:var(--info)}
.panel{background:white;border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:16px}.hidden{display:none!important}input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;margin:6px 0 12px}button{cursor:pointer}.primary{background:var(--accent);color:white;border:0;border-radius:10px;padding:10px 14px;font-weight:700}.ghost{background:transparent;border:1px solid var(--line);border-radius:10px;padding:10px 14px}.muted{color:var(--sub);font-size:13px}
.detail-actions{margin-bottom:12px}.detail-title{font-size:27px;font-weight:850;line-height:1.25;margin:0 0 8px}.detail-meta{color:var(--sub);margin:3px 0}.detail-kpis{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.kpi{background:#f3f5f4;border-radius:12px;padding:9px 11px;font-size:13px}.kpi strong{display:block;font-size:16px}.detail-note{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;line-height:1.6}.detail-section-title{display:flex;align-items:baseline;gap:10px;margin:22px 0 10px}.detail-section-title h2{margin:0;font-size:20px}
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}.book-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}.book-top{display:flex;align-items:flex-start;gap:10px}.volume-badge{flex:0 0 auto;min-width:48px;text-align:center;background:#eef2f0;border-radius:10px;padding:7px 8px;font-size:12px;font-weight:800}.book-title{font-size:15px;font-weight:800;line-height:1.35}.book-sub{font-size:12px;color:var(--sub);margin-top:4px}.book-facts{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;margin-top:12px;font-size:12px}.book-facts dt{color:var(--sub)}.book-facts dd{margin:0;overflow-wrap:anywhere}.ownerships{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}.owner-chip{font-size:11px;padding:5px 8px;border-radius:999px;background:#e8f3eb;color:var(--ok)}.related{background:#f4f0e8;color:#725b35}.loading{padding:28px;text-align:center;color:var(--sub)}.error{padding:14px;border:1px solid #efc4c4;background:#fff1f1;border-radius:12px;color:#8a3030}
@media(max-width:600px){main{padding:12px}.grid,.book-grid{grid-template-columns:1fr}.detail-title{font-size:22px}}

/* v0.4 巻一覧 */
.volume-legend{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 14px;font-size:12px;color:var(--sub)}
.volume-legend span{display:flex;align-items:center;gap:6px}
.legend-dot{width:10px;height:10px;border-radius:50%;display:inline-block}
.owned-dot{background:#78aa85}.initial-dot{background:#8ca6c2}.internal-dot{background:#d68181}.continuation-dot{background:#dfa45e}

.volume-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.volume-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px;min-height:150px;position:relative}
.volume-card.owned{border-top:4px solid #78aa85}
.volume-card.missing-initial{border-top:4px solid #8ca6c2;background:#f8fbff}
.volume-card.missing-internal{border-top:4px solid #d68181;background:#fff9f9}
.volume-card.missing-continuation{border-top:4px solid #dfa45e;background:#fffaf3}
.volume-card.missing-unknown{border-top:4px solid #aaa;background:#fafafa}
.volume-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}
.volume-number{font-weight:850;font-size:16px}
.volume-status{font-size:11px;padding:5px 8px;border-radius:999px;white-space:nowrap}
.status-owned{background:#e8f3eb;color:var(--ok)}
.status-initial{background:#e8eef5;color:var(--info)}
.status-internal{background:#fce7e7;color:var(--danger)}
.status-continuation{background:#fff1da;color:var(--warn)}
.status-unknown{background:#eee;color:#666}
.missing-message{font-size:14px;font-weight:750;margin:18px 0 7px}
.missing-sub{font-size:12px;color:var(--sub);line-height:1.5}
.owned-entry+.owned-entry{border-top:1px dashed var(--line);margin-top:11px;padding-top:11px}
.owned-title{font-size:14px;font-weight:800;line-height:1.35}
.owned-facts{display:grid;grid-template-columns:auto 1fr;gap:3px 8px;margin-top:8px;font-size:11px}
.owned-facts dt{color:var(--sub)}.owned-facts dd{margin:0;overflow-wrap:anywhere}
.volume-card .ownerships{margin-top:8px}
#extraSection{margin-top:26px}
@media(max-width:600px){.volume-grid{grid-template-columns:1fr 1fr}.volume-card{min-height:135px;padding:11px}.volume-number{font-size:15px}}
@media(max-width:420px){.volume-grid{grid-template-columns:1fr}}

/* v0.5 所有数サマリー */
.kpi-button{
  appearance:none;
  border:0;
  color:inherit;
  font:inherit;
  text-align:left;
  cursor:pointer;
  background:#f3f5f4;
  border-radius:12px;
  padding:9px 11px;
}
.kpi-button:hover{background:#e9eeec}
.kpi-button:focus-visible{outline:3px solid #739b96;outline-offset:2px}
.kpi-button .kpi-label{display:block;font-size:13px}
.kpi-button strong{display:inline-block;font-size:16px;margin-top:1px}
.kpi-button .chevron{font-size:12px;margin-left:6px;color:var(--sub)}
.ownership-breakdown{
  margin-top:12px;
  padding:12px 14px;
  border:1px solid var(--line);
  background:#fafbf9;
  border-radius:12px;
  max-width:620px;
}
.ownership-breakdown-grid{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:7px 14px;
  font-size:13px;
  line-height:1.5;
}
.ownership-breakdown-grid dt{color:var(--sub);font-weight:700}
.ownership-breakdown-grid dd{margin:0;overflow-wrap:anywhere}
.ownership-breakdown-note{margin-top:8px;color:var(--sub);font-size:11px}
@media(max-width:600px){
  .ownership-breakdown-grid{grid-template-columns:1fr;gap:2px}
  .ownership-breakdown-grid dd{margin-bottom:7px}
}

/* v0.6 本の追加 */
.header-actions{display:flex;align-items:center;gap:8px}
.modal{position:fixed;inset:0;background:#0007;z-index:50;display:flex;align-items:flex-start;justify-content:center;padding:5vh 16px;overflow:auto}
.modal-card{width:min(760px,100%);background:var(--paper);border-radius:18px;padding:20px;box-shadow:0 18px 70px #0005}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:12px}
.modal-head h2{margin:0 0 4px;font-size:24px}
.icon-button{border:1px solid var(--line);background:#fff;border-radius:999px;width:38px;height:38px;font-size:24px;line-height:1}
.isbn-row{display:flex;align-items:flex-end;gap:10px}.grow{flex:1}.lookup-button{margin-bottom:12px;white-space:nowrap}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.span-2{grid-column:1/-1}
select{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;margin:6px 0 12px;background:#fff;font:inherit}
.field-help{display:block;color:var(--sub);font-size:11px;margin-top:-8px;margin-bottom:10px}
.form-message{min-height:1.4em;font-size:13px;color:var(--sub)}
.form-message.error-text{color:var(--danger)}.form-message.success-text{color:var(--ok)}
.lookup-cover-wrap{text-align:center;margin:4px 0 14px}.lookup-cover-wrap img{max-height:190px;max-width:140px;border-radius:8px;box-shadow:0 4px 14px #0002}
.confirm-box{background:#fff8e8;border:1px solid #ead9ad;border-radius:12px;padding:11px 13px;margin:8px 0 14px;font-size:13px}.confirm-box p{margin:4px 0 0;color:#665a3f}
.modal-actions{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:600px){
  .header-actions{gap:5px}.header-actions button{padding:9px 10px}
  .modal{padding:0;align-items:stretch}.modal-card{min-height:100vh;border-radius:0;padding:16px}
  .isbn-row{display:block}.lookup-button{width:100%}
  .form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}
}

/* v0.7 削除機能 */
.book-delete-row{margin-top:10px;padding-top:9px;border-top:1px dashed var(--line)}
.delete-book-button{
  border:1px solid #e7b8b8;
  background:#fff7f7;
  color:#923d3d;
  border-radius:9px;
  padding:7px 10px;
  font-size:11px;
  font-weight:700;
}
.delete-book-button:hover{background:#fdeaea}
.delete-book-button:disabled{opacity:.55;cursor:wait}

/* v0.7.1 削除選択モード */
.delete-mode-toggle{border-color:#ddb4b4;color:#8f3d3d}
.delete-mode-toggle.active{background:#8f3d3d;color:#fff;border-color:#8f3d3d}
.delete-selection-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding:12px 14px;
  margin:0 0 14px;
  border:1px solid #e4c0c0;
  border-radius:12px;
  background:#fff8f8;
}
.delete-selection-actions{display:flex;gap:8px;flex-wrap:wrap}
.delete-confirm-button{
  border:0;
  background:#9a3f3f;
  color:#fff;
  border-radius:9px;
  padding:9px 13px;
  font-weight:700;
}
.delete-confirm-button:disabled{opacity:.45;cursor:not-allowed}
.cancel-delete-mode{
  border:1px solid var(--line);
  background:#fff;
  border-radius:9px;
  padding:9px 13px;
}
.volume-card.delete-selectable,
.book-card.delete-selectable{
  cursor:pointer;
  outline:2px solid transparent;
  transition:outline-color .08s ease, background .08s ease;
}
.volume-card.delete-selectable:hover,
.book-card.delete-selectable:hover{outline-color:#e5b8b8}
.volume-card.delete-selected,
.book-card.delete-selected{
  outline:3px solid #9a3f3f;
  outline-offset:1px;
  background:#fff4f4;
}
.delete-select-badge{
  position:absolute;
  top:8px;
  right:8px;
  min-width:24px;
  height:24px;
  border-radius:999px;
  border:2px solid #b9b9b9;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:800;
  color:#fff;
}
.delete-selected .delete-select-badge{
  background:#9a3f3f;
  border-color:#9a3f3f;
}
.book-card.delete-selectable{position:relative}
.delete-mode-note{font-size:12px;color:#7a4a4a}