:root{--gap:.75rem;--bg:#f6f6f7;--fg:#1a1a1a;--muted:#555;--border:#888;--surface:#fff;--warning:#b45309;--link:#0b57d0;--btn-bg:#fff;--btn-border:#888;font-family:system-ui,Hiragino Sans,sans-serif;line-height:1.45}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#121212;--fg:#e8e8e8;--muted:#aaa;--border:#555;--surface:#1e1e1e;--warning:#fbbf24;--link:#8ab4f8;--btn-bg:#2a2a2a;--btn-border:#666}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);max-width:860px;color:var(--fg);margin-inline:auto;padding:1rem}.site-header{justify-content:space-between;align-items:flex-start;gap:var(--gap);margin-block-end:var(--gap);display:flex}.site-heading{flex:1;min-width:0}.site-intro{color:var(--muted);margin:.35rem 0 0;font-size:.85rem;line-height:1.5}h1{margin:0;font-size:1.2rem}h2{margin:var(--gap) 0 calc(var(--gap) / 2);font-size:1rem}fieldset{border:1px solid var(--border);padding:calc(var(--gap) / 2) var(--gap);margin:0 0 var(--gap);background:var(--surface)}label{margin-block:calc(var(--gap) / 2);display:block}textarea,.output{width:100%;min-block-size:4rem;font:inherit;padding:calc(var(--gap) / 2);color:var(--fg);background:var(--bg);border:1px solid var(--border);display:block}.output{background:var(--surface);white-space:pre-wrap}button{font:inherit;padding:calc(var(--gap) / 3) calc(var(--gap) / 2);color:var(--fg);background:var(--btn-bg);border:1px solid var(--btn-border);cursor:pointer;border-radius:4px;margin-block-end:calc(var(--gap) / 2);margin-inline-end:calc(var(--gap) / 2)}button:hover{filter:brightness(.96)}:root[data-theme=dark] button:hover{filter:brightness(1.12)}.theme-toggle{white-space:nowrap;margin:0;font-size:.875rem}.input-tip{margin:0 0 var(--gap);color:var(--muted);font-size:.8rem;line-height:1.5}.warnings{color:var(--warning);font-size:.8rem}.chart-open-row{margin:0 0 var(--gap)}.chart-open-btn{margin:0}table.chart-grid{border-collapse:collapse;width:100%;font-size:.75rem}table.chart-grid td,table.chart-grid th{border:1px solid var(--border);text-align:center;padding:.2rem}.chart-row-label{white-space:nowrap;background:var(--bg);font-weight:600}.chart-cell-empty{background:var(--bg)}.chart-cell-kana,.chart-cell-emoji{display:block}.chart-cell-emoji{font-size:1.1em;line-height:1.2}.chart-modal{max-width:min(96vw,36rem);max-height:min(92vh,40rem);color:var(--fg);background:0 0;border:none;padding:0}.chart-modal::backdrop{background:#00000080}.chart-modal-panel{border:1px solid var(--border);background:var(--surface);border-radius:8px;flex-direction:column;max-height:min(92vh,40rem);display:flex;box-shadow:0 8px 32px #0003}.chart-modal-header{justify-content:space-between;align-items:center;gap:var(--gap);padding:calc(var(--gap) / 2) var(--gap);border-bottom:1px solid var(--border);display:flex}.chart-modal-header h2{margin:0;font-size:.95rem}.chart-modal-close{min-width:2rem;margin:0;padding:.15rem .4rem;font-size:1.25rem;line-height:1}.chart-modal-body{padding:var(--gap);overflow:auto}.chart-modal-note{margin:var(--gap) 0 0;color:var(--muted);font-size:.75rem;line-height:1.5}.chart-modal-note code{font-size:.9em}.chart-modal-footer{padding:calc(var(--gap) / 2) var(--gap);border-top:1px solid var(--border);justify-content:flex-end;display:flex}.chart-modal-footer button{margin:0}.site-footer{color:var(--muted);flex-direction:column;align-items:flex-start;gap:.5rem;margin-block-start:2rem;font-size:.75rem;display:flex}.footer-line{width:100%;margin:0;line-height:1.5;display:block}a{color:var(--link);word-break:break-all}