.rb-lead{margin:0 0 16px;color:var(--text-muted)}.rb-editor{max-width:860px;margin:0 auto;text-align:left}.rb-h2{font-size:var(--fs-h2);margin:28px 0 10px;color:var(--text)}.rb-hint{margin:8px 0 0;font-size:14px;color:var(--text-muted);line-height:1.6}.rb-top{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);box-shadow:var(--card-shadow);padding:18px 20px}.rb-date-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}.rb-date-label{font-weight:700;color:var(--text)}.rb-date{font-size:var(--fs-input);min-height:var(--tap-min);padding:4px 10px;border:1px solid var(--border);border-radius:8px;background:var(--card-bg);color:var(--text)}.rb-date-info{font-size:1.15rem;font-weight:700;color:var(--text)}.rb-summary{margin:10px 0 0;font-size:1.05rem;color:var(--text)}.rb-start-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.rb-btn{min-height:var(--tap-min);padding:8px 18px;border-radius:10px;font-size:var(--fs-input);font-weight:700;cursor:pointer;border:1px solid transparent}.rb-btn:disabled{opacity:.5;cursor:not-allowed}.rb-btn-primary{background:var(--accent);color:var(--on-accent)}.rb-btn-primary:hover:not(:disabled){background:var(--accent-hover)}.rb-start{font-size:1.25rem;padding:10px 32px;min-height:56px}.rb-btn-secondary{background:var(--card-bg);color:var(--text);border-color:var(--border)}.rb-btn-secondary:hover:not(:disabled){border-color:var(--accent);color:var(--accent-hover)}.rb-keys{margin:12px 0 0;font-size:13px;color:var(--text-slate)}.rb-blocks{display:grid;gap:10px;padding:0;margin:0;counter-reset:rbblock}.rb-block{background:var(--card-bg);border:1px solid var(--card-border);border-left:6px solid var(--accent);border-radius:12px;padding:12px 14px}.rb-block.is-off{border-left-color:var(--border);background:var(--surface-soft)}.rb-block.is-off .rb-preview,.rb-block.is-off .rb-block-field{opacity:.55}.rb-block-head{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap}.rb-toggle{display:inline-flex;align-items:center;gap:10px;min-height:var(--tap-min);cursor:pointer;flex:1 1 auto}.rb-toggle input{width:22px;height:22px;accent-color:var(--accent);flex:none}.rb-block-title{font-size:1.1rem;font-weight:700;color:var(--text)}.rb-block-meta{font-size:14px;color:var(--text-muted);white-space:nowrap}.rb-move{display:inline-flex;gap:6px}.rb-icon-btn{width:var(--tap-min);height:var(--tap-min);border-radius:8px;border:1px solid var(--border);background:var(--card-bg);color:var(--text);font-size:18px;cursor:pointer}.rb-icon-btn:disabled{opacity:.35;cursor:default}.rb-preview{margin:6px 0 0 32px;padding:0;display:flex;flex-wrap:wrap;gap:6px}.rb-preview li{font-size:14px;background:var(--accent-bg);color:var(--text);border-radius:999px;padding:3px 12px;line-height:1.5}.rb-block-field{margin:8px 0 0 32px}.rb-field-label{display:block;font-size:14px;font-weight:700;color:var(--text);margin-bottom:4px}.rb-input,.rb-textarea{width:100%;box-sizing:border-box;font-size:var(--fs-input);padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--card-bg);color:var(--text);min-height:var(--tap-min);font-family:inherit}.rb-textarea{line-height:1.6;resize:vertical}.rb-block-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0 0 32px}.rb-count{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text)}.rb-count select{font-size:var(--fs-input);min-height:40px;padding:2px 8px;border:1px solid var(--border);border-radius:8px;background:var(--card-bg);color:var(--text)}.rb-small-btn{min-height:40px;padding:4px 14px;border-radius:8px;border:1px solid var(--border);background:var(--card-bg);color:var(--text);font-size:var(--fs-ui-button);cursor:pointer}.rb-small-btn:hover:not(:disabled){border-color:var(--accent)}.rb-small-btn:disabled{opacity:.45;cursor:default}.rb-danger{color:var(--danger)}.rb-errors{margin-top:6px;font-size:14px}.rb-errors ul{margin:4px 0 0;padding:0;display:grid;gap:2px}.rb-err-head{margin:0;font-weight:700;color:var(--text)}.rb-err-error{color:var(--danger)}.rb-err-warn{color:var(--text-muted)}.rb-err-text{margin-left:6px;color:var(--text-muted)}.rb-err-empty{margin:0;color:var(--text-muted)}.rb-add-row{display:flex;flex-wrap:wrap;gap:10px}.rb-ai{margin-top:16px;padding:14px 16px;border-radius:12px;background:var(--surface-soft);border:1px solid var(--border-soft)}.rb-ai-title{margin:0;font-weight:700;color:var(--text)}.rb-ai .rb-add-row{margin-top:10px}.rb-copied{margin:8px 0 0;min-height:1.4em;font-size:14px;color:var(--accent-hover)}.rb-ai-preview summary{cursor:pointer;font-size:14px;color:var(--text);min-height:var(--tap-min);display:flex;align-items:center}.rb-ai-preview pre{white-space:pre-wrap;font-size:13px;line-height:1.6;background:var(--card-bg);border:1px solid var(--border-soft);border-radius:8px;padding:10px 12px;margin:4px 0 0;color:var(--text)}.rb-local{margin-top:20px}.rb-clear{margin-top:6px}.rb-guide-list{list-style:disc;padding-left:1.4em}.rb-stage{--rb-bg: #0b1d36;--rb-fg: #ffffff;--rb-yellow: #ffd84a;--rb-sub: #d5e3f5;--rb-line: #46628c;--rb-panel: #142c4f;position:fixed;inset:0;z-index:var(--z-modal);background:var(--rb-bg);color:var(--rb-fg);display:flex;align-items:center;justify-content:center;outline:none;cursor:default}.rb-stage[hidden]{display:none}html.rb-showing,html.rb-showing body{overflow:hidden}.rb-slide{position:absolute;inset:0 0 64px;display:flex;align-items:center;justify-content:center;overflow:hidden;cursor:pointer}.rb-s{font-size:8px;max-width:94%;text-align:center;line-height:1.3;word-break:auto-phrase;overflow-wrap:anywhere}:where(.rb-s) p{margin:0}.rb-s-sub{font-size:6em;color:var(--rb-sub)}.rb-s-date{font-size:17em;font-weight:800;line-height:1.1;letter-spacing:.02em}.rb-s-wd{font-size:11em;font-weight:800;color:var(--rb-yellow)}.rb-s-hol{display:inline-block;margin-top:.4em;font-size:6em;font-weight:700;color:var(--rb-yellow);border:.08em solid var(--rb-yellow);border-radius:999px;padding:.05em .8em}.rb-s-line{font-size:6em;margin-top:.6em;color:var(--rb-fg)}.rb-s-emoji{font-size:14em;line-height:1.1}.rb-s-title{font-size:12em;font-weight:800;color:var(--rb-yellow);line-height:1.2}.rb-s-label{font-size:5.5em;font-weight:700;color:var(--rb-yellow);margin-bottom:.4em}.rb-s-main{font-size:10em;font-weight:800;line-height:1.35}.rb-s-note{font-size:5em;color:var(--rb-sub);margin-top:.8em;line-height:1.5}.rb-s-ex .rb-s-emoji{font-size:12em}.rb-s-count{font-size:14em;font-weight:800;color:var(--rb-yellow);margin-top:.15em;letter-spacing:.04em}.rb-s-q{font-size:9em;font-weight:800;line-height:1.35}.rb-s-choices{list-style:none;margin:.4em auto 0;padding:0;display:grid;gap:1.6em;font-size:1em;width:max-content;max-width:100%;text-align:left}.rb-s-choices li{display:flex;align-items:center;gap:.5em;font-size:8em;font-weight:800;padding:.12em .5em .12em .2em;border-radius:.3em;border:.05em solid transparent}.rb-s-num{flex:none;display:inline-flex;align-items:center;justify-content:center;width:1.3em;height:1.3em;border-radius:50%;border:.07em solid var(--rb-fg);font-size:.8em}.rb-s-ctext ruby rt{font-size:.32em;font-weight:700;color:var(--rb-sub)}.rb-s-choices li.is-correct{background:var(--rb-yellow);color:#10213a;border-color:var(--rb-yellow)}.rb-s-choices li.is-correct .rb-s-num{border-color:#10213a}.rb-s-choices li.is-correct rt{color:#10213a}.rb-s-choices li.is-other{color:#9fb3cf}.rb-s-choices li.is-other .rb-s-num{border-color:#9fb3cf}.rb-s-badge{font-size:.45em;font-weight:800;background:#10213a;color:var(--rb-yellow);border-radius:999px;padding:.1em .6em;margin-left:.3em}.rb-s-explain{font-size:5em;color:var(--rb-sub);margin-top:.7em;line-height:1.5}.rb-s-explain b{color:var(--rb-fg)}.rb-s-hint{font-size:3.6em;color:var(--rb-sub);margin-top:1em}.rb-s-song .rb-s-title{font-size:14em;color:var(--rb-fg)}.rb-s-credit{font-size:4.6em;color:var(--rb-sub);margin-top:.4em}.rb-s-notice{margin-top:1.4em;border:.4em solid var(--rb-line);border-radius:3em;padding:2em 5em 3em}.rb-s-notice .rb-s-line{margin-top:0;font-weight:700}.rb-s-text .rb-s-main{font-size:11em}.rb-bar{position:absolute;left:0;right:0;bottom:0;height:64px;display:flex;align-items:center;justify-content:center;gap:10px;padding:0 12px;background:var(--rb-panel);transition:opacity .15s linear}.rb-stage.is-idle .rb-bar{opacity:0}.rb-stage.is-idle,.rb-stage.is-idle .rb-slide{cursor:none}.rb-bar-btn{min-height:var(--tap-min);min-width:var(--tap-min);padding:4px 16px;border-radius:8px;border:1px solid var(--rb-line);background:transparent;color:var(--rb-fg);font-size:16px;font-weight:700;cursor:pointer}.rb-bar-btn:hover:not(:disabled),.rb-bar-btn:focus-visible{border-color:var(--rb-yellow);outline:none}.rb-bar-btn:disabled{opacity:.35;cursor:default}.rb-pos{font-size:18px;font-weight:700;color:var(--rb-sub);min-width:5.5em;text-align:center;font-variant-numeric:tabular-nums}@media (max-width: 600px){.rb-bar{gap:6px;padding:0 6px}.rb-bar-btn{padding:4px 10px;font-size:14px}.rb-pos{min-width:4em;font-size:15px}.rb-preview,.rb-block-field,.rb-block-tools{margin-left:0}.rb-top{padding:14px}}@media (prefers-reduced-motion: reduce){.rb-bar{transition:none}}@media screen{.rb-print{display:none}}@page{size:A4 portrait;margin:12mm}@media print{.rb-print{color:#000;font-size:10.5pt;line-height:1.5}.rb-p-title{font-size:15pt;margin:0 0 2mm}.rb-p-sum{margin:0 0 4mm;font-size:9.5pt}.rb-p-table{width:100%;border-collapse:collapse}.rb-p-table th,.rb-p-table td{border:.3mm solid #666;padding:1.5mm 2mm;vertical-align:top;text-align:left}.rb-p-table thead th{background:#eee}.rb-p-table tr{break-inside:avoid}.rb-p-block th{background:#f3f3f3;font-size:11pt}.rb-p-min{white-space:nowrap;width:18mm;font-weight:700}.rb-p-no{width:9mm;text-align:center}.rb-p-type{width:24mm;white-space:nowrap}.rb-p-ans{font-weight:700}.rb-p-foot{margin-top:4mm;font-size:8pt;color:#555;text-align:right}}.rb-ph,.rb-bar-btn{white-space:nowrap}.rb-bar-btn[aria-pressed=true]{border-color:var(--rb-yellow);color:var(--rb-yellow)}@media (max-width: 600px){.rb-bar-t{display:none}}