.object-page{--object-paper:#faf6ed;--object-ground:#eee7da;--object-ink:#34372e;--object-muted:#656957;--object-line:#d4d0c0;--object-indigo:#94583b;min-height:100svh;padding:max(14px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));color:var(--object-ink);background:var(--object-ground);color-scheme:light;accent-color:var(--object-indigo);font-family:system-ui,sans-serif;line-height:1.5}.object-page *,.object-page :before,.object-page :after{box-sizing:border-box}.object-page [hidden]{display:none!important}.object-page ::selection{color:var(--object-paper);background:var(--object-indigo)}.object-page :is(button,a,summary,canvas,input,select):focus-visible{outline:3px solid var(--object-indigo);outline-offset:3px}.object-shell{background:var(--object-paper);border:1px solid #c8bfad;border-radius:16px;width:100%;max-width:1180px;margin-inline:auto;overflow:hidden;box-shadow:0 18px 52px #4b3c271f}.object-header,.object-languages,.object-controls,.object-start-controls,.object-level-tools,.object-level-fields,.object-level-picker,.object-complete-actions,.object-view-controls,.object-piece-controls{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.object-header{border-bottom:1px solid var(--object-line);background:color-mix(in srgb, var(--object-paper) 92%, white);justify-content:flex-start;gap:18px;min-height:76px;padding:12px 20px}.object-home{width:136px;min-height:44px;color:var(--object-ink);align-items:center;text-decoration:none;display:inline-flex}.object-site-logo{width:136px;height:auto;display:block}.object-brand-lockup{border-left:1px solid var(--object-line);gap:1px;padding-left:18px;display:grid}.object-brand{margin:0;font:24px/1.1 Georgia,serif}.object-brand-context{color:var(--object-muted);letter-spacing:.16em;margin:0;font-size:10px;font-weight:750}.object-languages{gap:4px;margin-left:auto}.object-languages a{min-height:44px;color:var(--object-muted);border:1px solid #0000;border-radius:999px;align-items:center;padding:6px 12px;font-size:12px;font-weight:650;text-decoration:none;display:inline-flex}.object-languages a[aria-current=page]{color:var(--object-ink);background:var(--object-paper);border-color:#baa98e}.object-page a:hover{color:var(--object-indigo);text-decoration:underline}.object-game{background:var(--object-paper)}.object-heading{padding-block:18px;position:relative}.object-heading h1{text-wrap:balance;margin:0;font-family:Georgia,Yu Mincho,Noto Serif TC,serif;font-size:clamp(25px,3.5vw,38px);font-weight:500;line-height:1.25}.object-subtitle{color:var(--object-muted);margin:6px 0 0;font-size:14px}.object-study-label{color:var(--object-muted);margin:0 0 4px;font-size:12px}.object-preview{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding-block:14px;display:flex}.object-preview-copy{flex:160px}.object-preview-copy h2{margin:0;font-size:20px;font-weight:650}.object-preview-copy p{max-width:60ch;color:var(--object-muted);margin:4px 0 0;font-size:13px}.object-start-controls{font-size:14px}.object-level-tools{border-top:1px solid var(--object-line);flex-direction:column;align-items:stretch;gap:10px;padding-block:12px;font-size:14px}.object-level-fields{justify-content:space-between;gap:8px 24px}.object-level-picker{min-width:0;max-width:100%}.object-level-picker label{flex-shrink:0}.object-level-picker--object{display:none}.object-current-level{color:var(--object-muted);overflow-wrap:anywhere;margin:0;font-size:13px;line-height:1.5;display:none}.object-level-progress{color:var(--object-muted);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:0;font-size:13px}.object-level-picker select{border:1px solid var(--object-line);min-width:0;max-width:100%;min-height:44px;color:var(--object-ink);background:var(--object-paper);font:inherit;cursor:pointer;border-radius:4px;padding:8px 10px}.object-level-chapters{gap:8px;display:grid}.object-level-chapter{border:1px solid var(--object-line);background:color-mix(in srgb, var(--object-paper) 86%, transparent);border-radius:4px}.object-level-chapter>summary{justify-content:space-between;align-items:center;gap:12px;padding:9px 12px;font-weight:650;display:flex}.object-level-chapter>summary::marker{color:var(--object-indigo)}.object-level-chapter-progress{color:var(--object-muted);font-variant-numeric:tabular-nums;font-size:12px;font-weight:400}.object-level-cards{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;padding:0 8px 8px;display:grid}.object-level-card{border:1px solid var(--object-line);min-width:0;min-height:108px;color:var(--object-ink);background:var(--object-paper);font:inherit;text-align:center;cursor:pointer;touch-action:manipulation;border-radius:4px;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:7px 5px;display:flex}.object-level-card img{object-fit:contain;flex:none;width:60px;height:48px}.object-level-card-copy{gap:2px;min-width:0;display:grid}.object-level-card-name{overflow-wrap:anywhere;font-size:12px;font-weight:650;line-height:1.25}.object-level-card-status{color:var(--object-muted);font-size:11px}.object-level-card[aria-pressed=true]{border-color:var(--object-indigo);box-shadow:inset 0 0 0 1px var(--object-indigo)}.object-level-card[aria-pressed=true] .object-level-card-status{color:var(--object-paper)}.object-page:is([data-phase=playing],[data-phase=paused],[data-phase=complete]) :is(.object-heading,.object-preview,.object-level-directory){display:none}.object-page:is([data-phase=playing],[data-phase=paused]) .object-level-tools{border-top:0;gap:0;padding-block:4px 6px}.object-page:is([data-phase=playing],[data-phase=paused],[data-phase=complete]) .object-level-progress{display:none}.object-page:is([data-phase=playing],[data-phase=paused],[data-phase=complete]) .object-level-picker--object{display:flex}.object-stage{isolation:isolate;border:1px solid var(--object-line);background:var(--object-paper);width:100%;height:clamp(440px,58svh,680px);position:relative}.object-stage-feedback{z-index:2;border:1px solid color-mix(in srgb, var(--object-indigo) 32%, transparent);width:max-content;max-width:min(86%,560px);color:var(--object-ink);background:color-mix(in srgb, var(--object-paper) 92%, transparent);text-align:center;pointer-events:none;border-radius:999px;margin:0;padding:7px 11px;font-size:12px;line-height:1.35;position:absolute;top:12px;left:50%;transform:translate(-50%);box-shadow:0 4px 16px #34372e1a}.object-page:not([data-phase=playing]) .object-stage-feedback:empty,.object-page:is([data-phase=preview],[data-phase=loading],[data-phase=error],[data-phase=paused]) .object-stage-feedback{display:none}.object-stage canvas{touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block;position:absolute;inset:0}.object-stage canvas:focus-visible{outline-offset:-4px}.object-reference-panel{background:var(--object-paper);grid-template-columns:72px minmax(0,1fr);grid-template-areas:"image caption""image button";gap:4px 8px;width:min(100%,320px);margin:6px 0;padding:6px;display:grid}.object-reference-panel figcaption{color:var(--object-muted);grid-area:caption;align-self:end;font-size:11px;font-weight:650;line-height:1.3}.object-reference-panel img{object-fit:contain;background:var(--object-paper);grid-area:image;width:72px;height:68px;display:block}.object-reference-open{border:1px solid var(--object-line);width:100%;min-height:44px;color:var(--object-indigo);background:var(--object-paper);font:inherit;cursor:pointer;touch-action:manipulation;border-radius:3px;grid-area:button;margin:0;padding:7px;font-size:12px}.object-stage-cover{z-index:3;background:var(--object-paper);text-align:center;flex-direction:column;justify-content:safe center;align-items:center;gap:20px;margin:0;padding:24px;display:flex;position:absolute;inset:0;overflow:auto}.object-stage-cover>*{flex-shrink:0;max-width:100%}.object-stage-cover p{max-width:38ch;margin:0}.object-paused h2,.object-complete h2{margin:0;font-family:Georgia,Yu Mincho,Noto Serif TC,serif;font-size:26px;font-weight:500;line-height:1.3}.object-reading-line,.object-playing-tools{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 24px;display:flex}.object-reading-line{padding-block:12px 6px}.object-status{min-height:1.5em;color:var(--object-muted);overflow-wrap:anywhere;flex:300px;margin:0;font-size:13px}.object-measures{font-variant-numeric:tabular-nums;flex-wrap:wrap;gap:8px 20px;margin:0;font-size:13px;display:flex}.object-measures div{gap:6px;display:flex}.object-measures dt{color:var(--object-muted)}.object-measures dd{min-width:4ch;margin:0}.object-button,.object-piece-controls button{border:1px solid var(--object-line);min-width:44px;max-width:100%;min-height:44px;color:var(--object-indigo);background:var(--object-paper);font:inherit;text-align:center;overflow-wrap:anywhere;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;border-radius:4px;padding:9px 14px;font-size:14px;line-height:1.5;transition:background-color .14s ease-out,border-color .14s ease-out}.object-button-primary{border-color:var(--object-indigo);color:var(--object-paper);background:var(--object-indigo);font-weight:600}.object-page button:hover:not(:disabled){border-color:var(--object-indigo);background:#e8e5da}.object-page .object-button-primary:hover:not(:disabled){color:var(--object-paper);background:#7a452f}.object-page button:active:not(:disabled){border-color:var(--object-indigo);background:#d9ddda}.object-page .object-button-primary:active:not(:disabled){background:#633624}.object-page button:disabled{border-color:var(--object-line);color:#707267;cursor:not-allowed;background:#e9e5da}.object-page button[aria-pressed=true]{border-color:var(--object-indigo);color:var(--object-paper);background:var(--object-indigo);font-weight:650}.object-hint{max-width:90ch;color:var(--object-muted);margin:5px 0 8px;font-size:13px}.object-reference{cursor:pointer;align-items:center;gap:8px;min-width:0;max-width:100%;min-height:44px;padding:6px 8px;font-size:14px;display:inline-flex}.object-reference span{overflow-wrap:anywhere;min-width:0}.object-reference input{cursor:pointer;flex:0 0 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326px;align-items:start;margin-inline:20px;display:grid}.object-workbench .object-stage{border:0;border-radius:12px;grid-row:span 2;height:clamp(500px,62svh,640px)}.object-workbench-tools{background:var(--object-paper);min-width:0;padding:12px}.object-piece-tray{min-width:0;padding:12px}.object-piece-tray-header{grid-template-columns:minmax(0,1fr) 44px 32px 44px 44px;align-items:center;gap:4px;min-height:44px;margin-bottom:4px;display:grid}.object-piece-tray-reading{min-width:0;color:var(--object-muted);font-variant-numeric:tabular-nums;font-size:11px;line-height:1.3}.object-piece-tray h2{color:var(--object-muted);margin:0;font-size:12px;font-weight:650}.object-piece-page{color:var(--object-muted);font-variant-numeric:tabular-nums;text-align:center;white-space:nowrap;font-size:11px}.object-turn-controls{grid-area:1/2;gap:4px;display:flex}.object-piece-tray-header .object-button,.object-turn-controls .object-button{flex:0 0 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