:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#111827;background:#f8fafc;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled,select:disabled,input:disabled{cursor:not-allowed;opacity:.55}.display-shell{--background: #f8fafc;--surface: #ffffff;--cell: #ffffff;--cell-text: #111827;--free-cell: #e0f2fe;--marked: #fde68a;--marked-text: #111827;--reach: #38bdf8;--bingo: #22c55e;--danger: #ef4444;--muted-text: #64748b;--border: #cbd5e1;min-height:100vh;background:var(--background)}.display-shell[data-theme=dark]{--background: #111827;--surface: #1f2937;--cell: #0f172a;--cell-text: #f8fafc;--free-cell: #1e3a8a;--marked: #facc15;--marked-text: #111827;--reach: #38bdf8;--bingo: #22c55e;--danger: #f87171;--muted-text: #cbd5e1;--border: #475569}.display-shell[data-transparent=true]{background:transparent}.app-shell{--background: #f8fafc;--surface: #ffffff;--cell: #ffffff;--cell-text: #111827;--free-cell: #e0f2fe;--marked: #fde68a;--reach: #38bdf8;--bingo: #22c55e;--danger: #ef4444;--muted-text: #64748b;--border: #cbd5e1;min-height:100vh;padding:24px;color:var(--cell-text);background:linear-gradient(135deg,color-mix(in srgb,var(--background),#ffffff 45%),var(--background)),var(--background)}.app-shell[data-theme=dark]{--background: #111827;--surface: #1f2937;--cell: #0f172a;--cell-text: #f8fafc;--free-cell: #1e3a8a;--marked: #facc15;--reach: #38bdf8;--bingo: #22c55e;--danger: #f87171;--muted-text: #cbd5e1;--border: #475569}.app-shell[data-overlay-mode=true]{display:grid;min-height:100vh;padding:clamp(20px,4vw,56px);place-items:center}.display-shell[data-transparent=true] .app-shell{background:transparent}.display-shell[data-transparent=true] .bingo-board{border-color:transparent;background:transparent;box-shadow:none}.app-header{display:flex;align-items:end;justify-content:space-between;gap:24px;max-width:1400px;margin:0 auto 16px}.app-header h1{margin:0;font-size:clamp(28px,4vw,48px);line-height:1.14}.app-header__eyebrow{margin:0 0 8px;color:var(--muted-text);font-weight:700;letter-spacing:0}.segmented-control{display:inline-flex;gap:4px;padding:4px;border:1px solid var(--border);border-radius:8px;background:color-mix(in srgb,var(--surface),var(--background) 16%)}.segmented-control__button{min-height:40px;border:1px solid transparent;border-radius:6px;padding:0 14px;color:var(--cell-text);background:transparent;line-height:1.25}.segmented-control__button[aria-pressed=true]{border-color:var(--border);background:var(--surface);box-shadow:0 2px 6px #0f172a14}.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;max-width:1400px;margin:0 auto 18px;padding:12px;border:1px solid var(--border);border-radius:8px;background:color-mix(in srgb,var(--surface),transparent 8%)}.toolbar__group{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.toolbar__group--display{justify-content:flex-end;margin-left:auto}.toolbar__check,.toolbar__option-group,.toolbar__range-group{display:inline-flex;align-items:center;gap:8px;min-height:40px;color:var(--muted-text);font-size:14px;font-weight:700}.toolbar__option-group,.toolbar__range-group{flex-wrap:wrap}.editor-panel input,.editor-panel textarea{border:1px solid var(--border);border-radius:6px;color:var(--cell-text);background:var(--surface)}.toolbar__option-group svg,.toolbar__range-group svg{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.toolbar__option-label{white-space:nowrap}.toolbar__option-list{display:inline-flex;flex-wrap:wrap;gap:4px;padding:2px;border:1px solid transparent;border-radius:6px;background:color-mix(in srgb,var(--surface),transparent 54%)}.toolbar__option-button{min-height:30px;border:1px solid transparent;border-radius:4px;padding:0 8px;color:var(--muted-text);background:transparent;font-size:13px;font-weight:800;line-height:1.25}.toolbar__option-button:hover{color:var(--cell-text);background:color-mix(in srgb,var(--surface),transparent 20%)}.toolbar__option-button[aria-pressed=true]{border-color:transparent;color:var(--cell-text);background:color-mix(in srgb,var(--marked),var(--surface) 64%);font-weight:900}.toolbar__range-label{white-space:nowrap}.toolbar__range{width:clamp(120px,14vw,180px);accent-color:var(--marked)}.toolbar__range-value{min-width:44px;color:var(--cell-text);font-size:13px;font-weight:900;text-align:right}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,420px);gap:20px;max-width:1400px;margin:0 auto}.app-shell[data-overlay-mode=true] .workspace{grid-template-columns:1fr;width:min(92vmin,980px);max-width:100%}.board-stage{display:grid;min-width:0;place-items:center}.bingo-board{display:grid;width:min(100%,92vmin);aspect-ratio:1;grid-template-columns:repeat(var(--board-size),minmax(0,1fr));gap:clamp(6px,1vmin,12px);padding:clamp(8px,1.4vmin,18px);border:1px solid var(--border);border-radius:8px;background:color-mix(in srgb,var(--surface),var(--border) 12%);box-shadow:0 24px 72px #0f172a29;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease}.board-cell{position:relative;display:grid;min-width:0;min-height:0;place-items:center;overflow:hidden;border:2px solid var(--border);border-radius:8px;padding:clamp(6px,1vmin,14px);color:var(--cell-text);background:var(--cell);box-shadow:inset 0 -8px 18px #0f172a0a;cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease;touch-action:none}.board-cell:focus-visible{outline:3px solid color-mix(in srgb,var(--reach),transparent 28%);outline-offset:3px}.app-shell[data-arrange-mode=false] .board-cell[data-cell-type=item]:hover{border-color:color-mix(in srgb,var(--reach),var(--border) 34%);box-shadow:inset 0 -8px 18px #0f172a0a,0 8px 18px #0f172a1a;transform:translateY(-2px)}.app-shell[data-arrange-mode=true] .board-cell[data-cell-type=item][data-visual-status=normal]{border-color:color-mix(in srgb,var(--reach),var(--border) 44%);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--reach),transparent 72%),inset 0 -8px 18px #0f172a0a;cursor:grab}.app-shell[data-arrange-mode=true] .bingo-board{border-color:color-mix(in srgb,var(--reach),var(--border) 36%);background:color-mix(in srgb,var(--reach),var(--surface) 86%);box-shadow:0 24px 72px #0f172a29,0 0 0 4px color-mix(in srgb,var(--reach),transparent 82%)}.app-shell[data-arrange-mode=true] .board-cell[data-cell-type=item]{cursor:grab}.app-shell[data-arrange-mode=true] .board-cell[data-cell-type=item]:active{cursor:grabbing}.board-cell[data-cell-type=free]{background:var(--free-cell)}.board-cell[data-visual-status=marked]{border-color:color-mix(in srgb,var(--marked),#92400e 24%);color:var(--marked-text);background:var(--marked)}.board-cell[data-visual-status=reach]{border-color:var(--reach);background:color-mix(in srgb,var(--cell),var(--reach) 14%);box-shadow:inset 0 0 0 4px color-mix(in srgb,var(--reach),transparent 28%),0 0 0 3px color-mix(in srgb,var(--reach),transparent 72%)}.board-cell[data-visual-status=reach]:after{position:absolute;top:8px;left:8px;width:12px;height:12px;border-radius:999px;background:var(--reach);content:""}.board-cell[data-visual-status=bingo]{border-color:var(--bingo);background:color-mix(in srgb,var(--bingo),var(--cell) 40%);box-shadow:inset 0 0 0 3px color-mix(in srgb,var(--bingo),#ffffff 18%),0 0 24px color-mix(in srgb,var(--bingo),transparent 45%)}.app-shell[data-arrange-mode=true] .board-cell[data-cell-type=item][data-dragging=true],.app-shell[data-arrange-mode=true] .board-cell[data-cell-type=item][data-dragging-over=true]{border-color:color-mix(in srgb,var(--marked),#b45309 45%)}.board-cell__label{display:block;overflow:hidden;max-width:100%;max-height:calc(var(--cell-max-lines) * 1.3em + .24em);padding-bottom:.12em;color:inherit;font-size:clamp(12px,var(--cell-font-size),var(--cell-font-size));font-weight:800;line-height:1.3;text-align:center;overflow-wrap:anywhere;-webkit-user-select:none;user-select:none}.app-shell[data-locale=ja] .board-cell__label{line-break:strict;word-break:normal}.board-cell__badge{position:absolute;right:8px;bottom:6px;color:color-mix(in srgb,var(--cell-text),transparent 35%);font-size:10px;font-weight:900;-webkit-user-select:none;user-select:none}.board-cell__progress{position:absolute;right:8px;bottom:6px;display:flex;align-items:baseline;justify-content:center;gap:1px;color:color-mix(in srgb,var(--cell-text),transparent 28%);font-weight:900;line-height:1;-webkit-user-select:none;user-select:none}.board-cell__progress-current{color:color-mix(in srgb,var(--reach),var(--cell-text) 14%);font-size:26px;line-height:1}.board-cell__progress-separator,.board-cell__progress-target{font-size:14px}.board-cell__decrement{position:absolute;left:7px;bottom:7px;display:grid;width:28px;height:28px;place-items:center;border:1px solid color-mix(in srgb,var(--border),transparent 10%);border-radius:999px;color:var(--cell-text);background:color-mix(in srgb,var(--surface),transparent 8%);font-size:16px;font-weight:900;line-height:1;-webkit-user-select:none;user-select:none;transition:border-color .15s ease,background .15s ease,transform .15s ease}.board-cell__decrement:hover{border-color:color-mix(in srgb,var(--danger),var(--border) 34%);background:color-mix(in srgb,var(--danger),var(--surface) 88%);transform:scale(1.08)}.board-cell__decrement-icon{width:12px;height:12px;display:block;stroke:currentColor;stroke-width:2;stroke-linecap:round;fill:none}.board-cell__decrement[data-disabled=true]{cursor:not-allowed;opacity:.36;transform:none}.board-cell__decrement[data-disabled=true]:hover{border-color:color-mix(in srgb,var(--border),transparent 10%);background:color-mix(in srgb,var(--surface),transparent 8%)}.board-cell[data-visual-status=marked] .board-cell__decrement,.board-cell[data-visual-status=bingo] .board-cell__decrement{color:var(--marked-text)}.editor-panel{display:flex;flex-direction:column;gap:14px;padding:16px;border:1px solid var(--border);border-radius:8px;background:color-mix(in srgb,var(--surface),transparent 6%)}.editor-panel__field{display:grid;gap:6px;color:var(--muted-text);font-size:14px;font-weight:800}.editor-panel input,.editor-panel textarea{width:100%;padding:10px 12px}.editor-panel textarea{min-height:360px;resize:vertical;line-height:1.5}.editor-panel__layout-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.editor-panel__shuffle,.editor-panel__arrange-toggle{min-height:42px;border:1px solid var(--border);border-radius:6px;padding:0 14px;color:var(--cell-text);background:var(--surface);font-weight:800;line-break:strict;overflow-wrap:anywhere;text-align:center;word-break:normal}.editor-panel__arrange-toggle{color:var(--muted-text)}.editor-panel__arrange-toggle[aria-pressed=true]{color:var(--cell-text);background:color-mix(in srgb,var(--marked),var(--surface) 64%)}.editor-panel__bottom-actions{display:grid;gap:8px;margin-top:auto}.editor-panel__secondary-action,.editor-panel__reset{min-height:42px;border:1px solid var(--border);border-radius:6px;padding:0 14px;color:var(--muted-text);background:transparent;font-weight:800;text-align:center}.editor-panel__secondary-action:hover{color:var(--cell-text);background:color-mix(in srgb,var(--surface),var(--border) 18%)}.editor-panel__reset:hover{color:var(--danger);border-color:color-mix(in srgb,var(--danger),var(--border) 45%);background:color-mix(in srgb,var(--danger),transparent 96%)}.editor-panel__meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted-text);font-size:13px;font-weight:700}.editor-panel__guide{display:grid;gap:8px;padding:12px;border:1px solid color-mix(in srgb,var(--border),transparent 24%);border-radius:6px;color:var(--muted-text);background:color-mix(in srgb,var(--surface),transparent 36%)}.editor-panel__guide h2{margin:0;color:var(--cell-text);font-size:13px;font-weight:900}.editor-panel__guide p{margin:0;font-size:12px;font-weight:650;line-height:1.55}.site-footer{display:flex;justify-content:center;gap:8px;width:min(100%,1400px);margin:16px auto 0;color:var(--muted-text);font-size:12px;font-weight:800;text-align:center}.site-footer a{color:inherit;text-decoration:none}.site-footer a:hover{text-decoration:underline}.app-shell[data-overlay-mode=true] .site-footer{display:none}@media(max-width:920px){.app-header{align-items:stretch;flex-direction:column}.segmented-control{align-self:start}.workspace{grid-template-columns:1fr}.editor-panel textarea{min-height:240px}}@media(max-width:560px){.app-shell{padding:14px}.toolbar{align-items:stretch;flex-direction:column}.toolbar__group{align-items:stretch;flex-direction:column;width:100%}.toolbar__group--display{margin-left:0}.toolbar__check,.toolbar__option-group,.toolbar__range-group{width:100%}.toolbar__option-list,.toolbar__option-button{flex:1}.toolbar__range{flex:1;width:auto}.editor-panel__layout-actions{grid-template-columns:1fr}}