:root{--paper:#fbf8f1;--ink:#3a342c;--sub:#8a8177;--card:#ffffff;--line:#e6ddcc;--sticky:#f7c948;--sticky-ink:#4a3a00;--sticky-soft:#fdf3d1;--blue:#3f6fbf;--blue-soft:#e8effa;--pink:#e0708f;--green:#4d9e6f;--red-soft:#fdecec;--radius:16px;--shadow:0 2px 12px rgba(90,78,55,0.08)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--paper);color:var(--ink);font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Yu Gothic UI,Meiryo,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}.container{max-width:920px;margin:0 auto;padding:24px 16px 72px}.hero{padding:20px 0 6px}.hero h1{font-size:30px;margin:0 0 6px;letter-spacing:.04em}.hero h1 .accent{background:linear-gradient(transparent 62%,var(--sticky-soft) 62%);padding:0 4px}.hero p{color:var(--sub);margin:0;font-size:15px}.stickies{display:flex;gap:10px;margin:14px 0 4px}.stickies .mini{width:64px;height:64px;border-radius:6px;padding:8px;font-size:24px;line-height:1.2;text-align:center;box-shadow:0 3px 8px rgba(90,78,55,.15)}.mini.y{background:#f7c948;transform:rotate(-3deg)}.mini.b{background:#a9c6f0;transform:rotate(2deg)}.mini.p{background:#f3b8c8;transform:rotate(-1deg)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-top:18px}.card h2{font-size:18px;margin:0 0 10px}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:12px;gap:12px;margin-top:14px}.step{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);padding:14px 16px;font-size:14.5px}.step .no{display:inline-block;width:26px;height:26px;border-radius:50%;background:var(--sticky);color:var(--sticky-ink);font-weight:700;text-align:center;line-height:26px;margin-right:8px;font-size:14px}.field{margin-top:14px}.label{display:block;font-size:14px;color:var(--sub);margin-bottom:6px}.input,.textarea{width:100%;font-size:17px;padding:12px 14px;border:2px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}.input:focus,.textarea:focus{outline:none;border-color:var(--sticky)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 24px;font-size:16px;font-weight:700;border-radius:999px;cursor:pointer;color:var(--ink);background:#fff;border:2px solid var(--line);transition:transform .05s ease;text-decoration:none}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--sticky);border-color:var(--sticky);color:var(--sticky-ink);box-shadow:0 2px 10px rgba(247,201,72,.4)}.btn-small{min-height:34px;padding:4px 14px;font-size:13px;font-weight:400}.btn:focus-visible,.input:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.error-box{background:var(--red-soft);padding:10px 14px;color:#a33;margin-top:10px}.error-box,.info-box{border-radius:10px;font-size:14px}.info-box{background:var(--blue-soft);padding:12px 16px;color:#33507e;margin-top:12px}.badge{display:inline-block;padding:2px 14px;border-radius:999px;font-size:13px;font-weight:700;white-space:nowrap}.badge-live{background:#e5f6ec;color:#2e7d4f}.badge-ended{background:#ececec;color:#666}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:6px}.topbar h1{font-size:22px;margin:0}.qr-wrap{position:fixed;top:16px;right:16px;z-index:50}.qr-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 6px 20px rgba(90,78,55,.2);padding:14px;width:212px}.qr-card.big{width:428px}.qr-card img{display:block;width:180px;height:180px;margin:0 auto;background:#fff}.qr-card.big img{width:392px;height:392px}.qr-card .qr-url{font-size:11px;color:var(--sub);word-break:break-all;margin-top:6px}.qr-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.qr-hidden-btn{position:fixed;top:16px;right:16px;z-index:50}.participants{display:flex;flex-wrap:wrap;gap:8px}.participant-chip{background:var(--sticky-soft);border-radius:999px;padding:4px 14px;font-size:14px}.participant-chip.host{background:var(--blue-soft)}.rules{list-style:none;padding:0;margin:0}.rules li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line);font-size:15px}.rules li:last-child{border-bottom:none}.rules .emoji{font-size:20px;flex-shrink:0}.center-box{max-width:560px;margin:36px auto 0}.placeholder-note{border:2px dashed var(--line);border-radius:var(--radius);padding:44px 20px;background:#fffdf7}.footer-note,.placeholder-note{text-align:center;color:var(--sub)}.footer-note{font-size:12px;margin-top:30px}@media (max-width:680px){.qr-wrap{position:static;margin-top:12px}.qr-card{width:100%}.qr-card img,.qr-card.big img{width:100%;height:auto}.hero h1{font-size:24px}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}.participant-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 0;border-bottom:1px dashed var(--line)}.participant-row:last-child{border-bottom:none}.participant-row .who{flex:1 1;min-width:140px}.recorder-badge{display:inline-block;background:var(--blue-soft);color:var(--blue);border-radius:999px;padding:1px 12px;font-size:12px;font-weight:700;white-space:nowrap}.btn-danger{background:#e0708f;border-color:#e0708f;color:#fff}.flash{background:#e5f6ec;border-radius:10px;padding:10px 14px;color:#2e7d4f;margin-top:10px;font-size:14px}details.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 20px;margin-top:18px}details.panel summary{cursor:pointer;font-weight:700}details.panel .field{margin-top:12px}.modal-overlay{position:fixed;inset:0;background:rgba(58,52,44,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal-card{background:#fff;border-radius:var(--radius);box-shadow:0 10px 40px rgba(0,0,0,.25);padding:24px;max-width:480px;width:100%}.modal-card h2{margin:0 0 8px;font-size:18px}.modal-card p{margin:0 0 16px;font-size:14.5px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}.spread-outer{margin-top:18px;overflow:hidden}.spread-scaler{position:relative}.spread{position:absolute;top:0;left:50%;margin-left:-840px;transform-origin:top center;display:flex;align-items:flex-start}.note-page{width:800px;min-height:1131px;background:#fffdf8;border:1px solid #e8e0cf;border-radius:4px;box-shadow:0 4px 18px rgba(90,78,55,.12);padding:44px 48px}.note-page.left{border-top-right-radius:0;border-bottom-right-radius:0}.note-page.right{border-top-left-radius:0;border-bottom-left-radius:0}.spine{width:40px;min-height:1131px;flex-shrink:0;background:linear-gradient(90deg,rgba(90,78,55,.06),rgba(90,78,55,.22),rgba(90,78,55,.06))}.note-block-wrap{position:relative;margin-bottom:18px}.note-block{font-size:22px;line-height:38px;color:#2f2a22;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;border-bottom:1px dashed #eee4d0;padding:14px 0}.note-empty{color:#c9bfa8;font-size:20px;padding:40px 0;text-align:center}.lock-badge{display:inline-block;background:#fdeeda;color:#8a5a00;border-radius:999px;padding:1px 12px;font-size:13px;font-weight:700;margin-bottom:2px}.lock-badge.mine{background:#e5f6ec;color:#2e7d4f}.spread-nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px}.spread-nav .pos{font-weight:700}.page-marker{margin:18px 0 4px;font-size:13px;color:var(--sub);border-bottom:1px solid var(--line);padding-bottom:4px}.recorder-row{padding:8px 0 10px;border-bottom:1px dashed var(--line)}.recorder-row.locked{background:#fdf7ec;border-radius:10px;padding-left:10px;padding-right:10px}.recorder-text{font-size:16.5px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.block-menu{gap:6px;margin-top:6px}.block-menu,.recorder-actions{display:flex;flex-wrap:wrap;align-items:center}.recorder-actions{gap:10px;margin-top:10px}.new-block-box{background:var(--sticky-soft);border-radius:12px;padding:12px;margin-top:12px}.charcount{color:var(--sub);font-size:12.5px;margin-top:4px}.edit-box textarea,.new-block-box textarea{font-size:16.5px;line-height:1.7}.note-page{position:relative}.sticky-layer{position:absolute;inset:0;pointer-events:none}.sticky-note{position:absolute;width:192px;min-height:84px;border-radius:6px;padding:10px 12px 8px;pointer-events:auto;cursor:pointer;box-shadow:0 4px 10px rgba(90,78,55,.25);font-size:17px;line-height:1.45;border:none;text-align:left;color:var(--ink)}.sticky-note.c-yellow{background:#f7c948;color:#4a3a00}.sticky-note.c-blue{background:#a9c6f0;color:#1e3a5f}.sticky-note.c-pink{background:#f3b8c8;color:#6b2340}.sticky-note.c-green{background:#b5dfc0;color:#1f4d2e}.sticky-note.selected{outline:3px solid var(--blue);outline-offset:2px;box-shadow:0 8px 22px rgba(63,111,191,.35)}.s-pin{font-size:13px;margin-right:4px}.s-text{white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}.s-author{font-size:12px;opacity:.75;margin-top:4px}.block-linked-glow{background:#fffbe0;box-shadow:inset 0 0 0 3px rgba(247,201,72,.55);border-radius:6px}.sticky-line{position:absolute;inset:0;pointer-events:none}.sticky-count{font-size:12px;color:var(--sub);background:var(--sticky-soft);border-radius:999px;padding:1px 10px}.color-row{display:flex;gap:8px;margin-top:8px}.color-dot{width:28px;height:28px;border-radius:50%;border:2px solid 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0}.rx-agree{font-size:40px;font-weight:700;color:#2e7d4f;line-height:1.1}.rx-agree-unit{font-size:15px;color:var(--sub);margin-left:6px;font-weight:400}.rx-names{font-size:14px;color:var(--sub);margin-top:4px}.rx-done-note{font-size:13px;color:var(--sub);margin-top:6px}.rx-done-box{margin-top:10px;font-size:14px}.rx-done-box summary{cursor:pointer;color:var(--sub)}.rx-mini{background:var(--blue-soft);color:#33507e;border-radius:999px;padding:3px 12px;font-size:13px;font-weight:700}.timer-digits{font-size:52px;font-weight:700;letter-spacing:.06em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;line-height:1.1}.timer-digits.timer-done{color:#c0392b}.timer-state{font-size:13px;color:var(--sub);margin-top:2px}.timer-btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.timer-chip{display:inline-block;background:var(--blue-soft);color:#33507e;border-radius:999px;padding:3px 12px;font-size:13px;font-weight:700;margin-top:6px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}