:root{--bg:#f3f6fb;--surface:#fff;--text:#0f172a;--muted:#64748b;--border:#dbe3ef;--accent:#2563eb;--accent-text:#fff;--chord:#1d4ed8;--section:#0f766e;--danger:#dc2626;--chorus-bg:#eaf2ff;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0b1220;--surface:#131c2e;--text:#e2e8f0;--muted:#94a3b8;--border:#25324a;--accent:#3b82f6;--accent-text:#fff;--chord:#7db4ff;--section:#5eead4;--danger:#f87171;--chorus-bg:#13243f;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0b1220;--surface:#131c2e;--text:#e2e8f0;--muted:#94a3b8;--border:#25324a;--accent:#3b82f6;--accent-text:#fff;--chord:#7db4ff;--section:#5eead4;--danger:#f87171;--chorus-bg:#13243f;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;margin:0}h1{margin:0;font-size:1.25rem}code{background:var(--border);border-radius:4px;padding:0 4px;font-size:.9em}input,select,textarea,button,.button{font:inherit;color:var(--text);border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:10px 12px;font-size:16px}button,.button{cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:4px;text-decoration:none;display:inline-flex}button:disabled{opacity:.5;cursor:default}.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}.danger{color:var(--danger)}.link{color:var(--accent);background:0 0;border:none;padding:4px 0;text-decoration:none}.block{width:100%;margin-top:12px}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--danger);white-space:pre-wrap}.notice{background:var(--chorus-bg);border-radius:8px;margin:8px 0;padding:8px 12px}.center{place-items:center;min-height:100vh;display:grid}html,body{overscroll-behavior:none;height:100%;overflow:hidden}#root{height:100%}.app{flex-direction:column;height:100dvh;display:flex}.scroller{overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;flex:1;min-height:0;overflow-y:auto}.main{max-width:960px;margin:0 auto}.page{padding:12px 16px 24px}.page-header{justify-content:space-between;align-items:center;gap:8px;min-height:44px;margin-bottom:8px;display:flex}.header-actions{gap:8px;display:flex}.tabbar{z-index:10;background:var(--surface);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);flex-shrink:0;display:flex}.tabbar a{color:var(--muted);flex-direction:column;flex:1;align-items:center;padding:6px 0 8px;font-size:.7rem;text-decoration:none;display:flex}.tabbar a span{font-size:1.3rem}.tabbar a.active{color:var(--accent);font-weight:600}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;margin:12px 0;padding:14px}.card.selected{border-color:var(--accent)}.stack{flex-direction:column;gap:10px;display:flex}.actions-row{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}.actions-row>*{flex:1}.small-buttons button{padding:6px 10px;font-size:14px}.login{max-width:420px;padding:calc(16px + env(safe-area-inset-top)) 16px calc(48px + env(safe-area-inset-bottom));text-align:center;margin:0 auto}.login-scroll{overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;height:100dvh;overflow-y:auto}.group-select{max-width:100%;font-size:1.1rem;font-weight:600}.search{width:100%}.song-list,.group-list{margin:0;padding:0;list-style:none}.song-list li a{background:var(--surface);border:1px solid var(--border);color:inherit;border-radius:12px;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;padding:12px 14px;text-decoration:none;display:flex}.song-title{font-weight:600}.key-badge{color:var(--chord);white-space:nowrap;border:1px solid;border-radius:999px;padding:2px 10px;font-size:.8rem;font-weight:700}.group-row{justify-content:space-between;align-items:center;gap:8px;display:flex}.thumbs{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;display:grid}.thumb{aspect-ratio:3/4;border:1px solid var(--border);border-radius:8px;position:relative;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:100%}.thumb-no{color:#fff;background:#0009;border-radius:6px;padding:0 6px;font-size:12px;position:absolute;top:4px;left:4px}.thumb-remove{color:#fff;background:#0009;border:none;padding:0 8px;position:absolute;top:4px;right:4px}.fields{grid-template-columns:1fr 1fr;gap:8px;display:grid}.fields input:first-child{grid-column:1/-1}.tabs{gap:4px;margin:12px 0 8px;display:flex}.tabs button{flex:1;padding:8px}.tabs button.active{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.edit-panes .pane{display:none}.edit-panes.show-edit .pane-edit,.edit-panes.show-preview .pane-preview,.edit-panes.show-image .pane-image{display:block}.toolbar{gap:6px;margin-bottom:6px;display:flex;overflow-x:auto}.toolbar button{padding:6px 10px;font-size:14px}.chordpro-input{resize:vertical;width:100%;min-height:55vh;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:16px;line-height:1.6}.pane-image img{border-radius:8px;width:100%;margin-bottom:8px}.pane-preview{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px}.help ul{margin:6px 0;padding-left:20px}.help li{margin:4px 0}@media (width>=900px){.edit-page .tabs{display:none}.edit-panes{grid-template-columns:1fr 1fr;align-items:start;gap:12px;display:grid}.edit-panes:has(.pane-image){grid-template-columns:1fr 1fr 1fr}.edit-panes .pane{max-height:75vh;overflow:auto;display:block!important}}.song-heading{margin-top:4px;font-size:1.5rem}.view-page>.muted{margin:2px 0 0}.transpose-bar{align-items:center;gap:8px;margin-top:12px;display:flex}.transpose-bar button{flex:0 0 72px;font-size:18px;font-weight:700}.transpose-status{text-align:center;flex:1}.transpose-key{color:var(--chord);font-size:1.2rem;font-weight:700}.sheet{line-height:1.35}.sheet-line{flex-wrap:wrap;align-items:flex-end;margin:0 0 .35em;padding-left:.5em;display:flex}.sheet-line.chorus{border-left:3px solid var(--accent);background:var(--chorus-bg)}.sheet-line.chords-only .seg{margin-right:1em}.seg{white-space:pre;flex-direction:column;display:inline-flex}.chord{color:var(--chord);min-height:1.2em;padding-right:.4em;font-size:.85em;font-weight:700}.lyric{min-height:1.2em}.sheet-section{color:var(--section);margin:.8em 0 .3em;font-size:.85em;font-weight:700}.sheet-section:first-child{margin-top:0}.sheet-empty{height:.6em}.quota{padding:10px 14px}.quota summary{cursor:pointer;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px;list-style:none;display:flex}.quota summary::-webkit-details-marker{display:none}.quota-total{color:var(--accent);font-size:1.3rem}.quota-table{border-collapse:collapse;width:100%;margin-top:8px}.quota-table td{border-top:1px solid var(--border);padding:4px 0}.quota-table .num{text-align:right;white-space:nowrap}.esheet .sheet-line{align-items:flex-end}.ecol{border-radius:4px;flex-direction:column;align-items:flex-start;display:inline-flex}.ecol.end{min-width:1em}.ecol.target{background:color-mix(in srgb, var(--accent) 25%, transparent);outline:2px solid var(--accent)}.echords{align-items:flex-end;gap:2px;min-height:1.6em;display:flex}.echar{cursor:pointer;white-space:pre;padding:0 1px}.echar:hover{background:var(--border)}.chord-chip{color:var(--chord);background:var(--surface);touch-action:none;-webkit-user-select:none;user-select:none;cursor:grab;border:1px solid;border-radius:6px;padding:1px 6px;font-size:.8em;font-weight:700}.chord-chip.active{opacity:.35}.esheet.dragging,.esheet.dragging *{cursor:grabbing;-webkit-user-select:none;user-select:none}.drag-ghost{z-index:50;pointer-events:none;background:var(--accent);color:var(--accent-text);border-radius:8px;padding:4px 10px;font-weight:700;position:fixed;transform:translate(-50%,-150%);box-shadow:0 4px 12px #00000040}.edit-hint{flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0 0 8px;display:flex}.edit-hint .undo{margin-left:auto;padding:4px 10px;font-size:14px}.setlist{margin:0 0 12px;padding:0;list-style:none}.setlist-row{align-items:stretch;gap:8px;margin:8px 0;padding:10px;transition:transform .1s;display:flex}.setlist-row.lifted{opacity:.5}.setlist-row.drop-above{box-shadow:0 -3px 0 var(--accent)}.setlist-row.drop-below{box-shadow:0 3px 0 var(--accent)}.setlist.dragging{-webkit-user-select:none;user-select:none}.drag-handle{touch-action:none;cursor:grab;color:var(--muted);background:0 0;border:none;padding:0 10px;font-size:20px}.setlist-body{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.setlist-top{align-items:center;gap:8px;display:flex}.setlist-no{color:var(--accent);min-width:1.4em;font-weight:700}.setlist-title{color:inherit;text-overflow:ellipsis;white-space:nowrap;flex:1;font-weight:600;text-decoration:none;overflow:hidden}.setlist-meta{flex-wrap:wrap;gap:6px;display:flex}.setlist-meta select,.memo-button{padding:4px 8px;font-size:16px}.memo-button{white-space:normal;text-align:left;color:var(--muted);flex:1;justify-content:flex-start}.setlist-name{cursor:pointer}.setlist-memo{font-size:15px}.pick-list{max-height:50vh;margin:0;padding:0;list-style:none;overflow:auto}.pick-list button{border:none;border-bottom:1px solid var(--border);background:0 0;border-radius:0;justify-content:space-between;width:100%}.segmented{gap:4px;display:flex}.segmented button{flex:1}.segmented button.active{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}.list-filters{align-items:center;gap:8px;margin-top:8px;display:flex}.list-filters select{flex:1;min-width:0;padding:6px 8px;font-size:16px}.list-count{white-space:nowrap}.view-options{flex-direction:column;gap:8px;margin:4px 0 8px;display:flex}.view-options .segmented button{padding:6px 4px;font-size:14px}.view-options-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.view-options-row select{flex:1;min-width:0;padding:6px 8px;font-size:16px}.check{align-items:center;gap:6px;font-size:15px;display:inline-flex}.check input{width:20px;height:20px;padding:0}.capo-label{color:var(--chord);font-weight:600}.sheet-lyrics .lyrics-line{margin-bottom:.15em;line-height:1.6;display:block}.stage-button{margin:4px 0 8px}.stage{z-index:100;background:var(--bg);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);flex-direction:column;display:flex;position:fixed;inset:0}.stage-bar{border-bottom:1px solid var(--border);background:var(--surface);align-items:center;gap:6px;padding:6px 10px;display:flex}.stage-bar button{padding:4px 10px;font-size:15px}.stage-exit{background:0 0;border:none;font-size:20px!important}.stage-title{flex-direction:column;flex:1;min-width:0;line-height:1.2;display:flex}.stage-title strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.stage-key{color:var(--chord);font-size:.85rem;font-weight:700}.stage-body{overscroll-behavior:contain;flex:1;min-height:0;padding:12px 16px 40px;overflow-y:auto}.stage-next-hint{text-align:center;margin-top:24px}.stage-nav{border-top:1px solid var(--border);background:var(--surface);gap:8px;padding:6px 10px;display:flex}.stage-nav button{text-overflow:ellipsis;flex:1;justify-content:center;min-width:0;padding:8px;font-size:15px;overflow:hidden}.offline-bar{color:#fff;text-align:center;padding:calc(4px + env(safe-area-inset-top)) 12px 4px;background:#b45309;flex-shrink:0;font-size:13px}@media (width>=900px) and (orientation:landscape){.stage-body .sheet{column-count:2;column-rule:1px solid var(--border);column-gap:40px}.stage-body .sheet-line{break-inside:avoid}.stage-body .sheet-section{break-after:avoid}}.practice-links{flex-wrap:wrap;gap:8px;margin:8px 0 4px;display:flex}.practice-links .button{color:var(--accent);padding:6px 12px;font-size:14px}.links-field{flex-direction:column;gap:4px;margin-top:8px;display:flex}.links-field textarea{resize:vertical;width:100%;font-size:16px}.video-player{border-top:1px solid var(--border);background:#000;flex-shrink:0;display:flex}.video-frame{aspect-ratio:16/9;flex:0 0 220px;position:relative}.video-host,.video-host iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.video-bar{color:#fff;flex-direction:column;flex:1;justify-content:center;gap:8px;min-width:0;padding:6px;display:flex}.video-row{justify-content:space-between;align-items:center;gap:6px;display:flex}.video-bar button,.video-bar .video-open{text-align:center;color:#fff;background:#1f2937;border:1px solid #374151;border-radius:8px;flex:1;justify-content:center;min-width:0;min-height:44px;padding:4px 2px;font-size:15px;font-weight:600;line-height:1.2;text-decoration:none}.video-bar .video-play{background:var(--accent);border-color:var(--accent);flex:1.3;font-size:22px}.video-bar .video-open{color:#cbd5e1;align-items:center;font-size:14px;font-weight:400;display:inline-flex}.video-time{color:#e2e8f0;font-variant-numeric:tabular-nums;text-align:center;flex:.8;font-size:13px;line-height:1.3}.video-hint{color:#e2e8f0;text-align:center;margin:0;font-size:14px;line-height:1.4}.video-player.started:not(.large) .video-frame{flex-basis:160px;align-self:center}.video-player.large .video-frame{flex-basis:640px}.practice-links button{color:var(--accent);padding:6px 12px;font-size:14px}.practice-links button.playing{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}@media (width<=900px){.video-size{display:none!important}}input,select,textarea{font-size:max(16px,1em)}body.stage-open .tabbar,body.stage-open #dock,body.stage-open .offline-bar{display:none}.video-title-guard{height:34%;position:absolute;top:0;left:0;right:0}.video-cover{position:absolute;inset:0}.version{text-align:center;margin-top:16px}.viewer-bar{background:var(--surface);border-bottom:1px solid var(--border);padding:calc(6px + env(safe-area-inset-top)) 12px 6px;flex-shrink:0}.viewer-bar-row{justify-content:space-between;align-items:center;gap:8px;display:flex}.viewer-bar form{margin-top:8px}.offline-bar+.viewer-bar{padding-top:6px}body.stage-open .viewer-bar{display:none}.group-admin{border-top:1px solid var(--border);gap:16px;margin-top:12px;padding-top:12px}.member-list{margin:0;padding:0;list-style:none}.member-list li{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;padding:6px 0;display:flex}.manual-section summary{cursor:pointer}.manual-body{margin-top:8px;line-height:1.7}.manual-body p{margin:6px 0}.manual-body ol,.manual-body ul{margin:4px 0;padding-left:1.4em}.manual-body li{margin:3px 0}.manual-code{background:var(--chorus-bg);white-space:pre-wrap;border-radius:8px;margin:6px 0;padding:8px 10px;font-size:.85rem}.manual-link{color:inherit;justify-content:space-between;align-items:center;gap:8px;text-decoration:none;display:flex}.login.help{text-align:left}.login.help h1{margin:0;font-size:1.3rem}.login .card,.login .notice{text-align:left}.login-title{background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, var(--surface)), color-mix(in srgb, var(--section) 12%, var(--surface)));border:1px solid var(--border);border-radius:14px;grid-template-columns:auto auto;justify-content:center;align-items:center;column-gap:10px;margin:4px 0 12px;padding:12px 16px;display:grid;position:relative;overflow:hidden}.login-title:before{content:"";background:repeating-linear-gradient(to bottom, color-mix(in srgb, var(--accent) 22%, transparent) 0 1px, transparent 1px 8px);pointer-events:none;height:33px;position:absolute;top:50%;left:-10%;right:-10%;transform:translateY(-50%)rotate(-3deg)}.login-title>*{position:relative}.login-mark{background:var(--accent);width:36px;height:36px;color:var(--accent-text);box-shadow:0 4px 12px color-mix(in srgb, var(--accent) 35%, transparent);border-radius:50%;grid-row:span 2;place-items:center;font-size:20px;display:grid}.login-title h1{text-align:left;letter-spacing:.12em;background:linear-gradient(90deg, var(--chord), var(--section));color:#0000;-webkit-background-clip:text;background-clip:text;margin:0;font-size:1.6rem;font-weight:800;line-height:1.2}.login-title p{letter-spacing:.22em;text-align:left;color:var(--muted);margin:0;font-size:.6rem;font-weight:600}