:root{--color-bg: #FFFFFF;--color-surface: #F5F7FA;--color-fg: #1A1A1A;--color-muted: #5F6B7A;--color-ink: #0B274B;--color-brand: #009DE1;--color-brand-strong: #0070A8;--color-on-strong: #FFFFFF;--color-focus: #0070A8;--color-cta: #FFD514;--color-success: #15803D;--color-warning: #B45309;--color-danger: #B42318;--color-info-surface: #E6F5FC;--color-banner-bg: #FFF4D6;--color-banner-fg: #5A4300;--color-control-border: #7A8594;--color-line: #E2E2E2;--color-screen-bg: #000000;--color-screen-fg: #FFFFFF;--color-screen-muted: #9A9A9A;--font-sans: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;--radius-control: 2px;--radius-card: 4px;--radius-panel: 8px;--radius-pill: 999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--focus-width: 2px;--focus-offset: 2px;--content-max: 960px;--target-min: 24px}body{margin:0;background:var(--color-bg);color:var(--color-fg);font-family:var(--font-sans);line-height:1.6;overflow-wrap:anywhere;border-top:var(--space-1) solid var(--color-brand);accent-color:var(--color-brand-strong)}fieldset{margin:0;padding:var(--space-3);border:1px solid var(--color-line);border-radius:var(--radius-card)}legend{padding:0 var(--space-1);color:var(--color-fg)}:focus-visible{outline:var(--focus-width) solid var(--color-focus);outline-offset:var(--focus-offset)}a{color:var(--color-brand-strong)}h1,h2,h3,h4{color:var(--color-ink)}.shell{box-sizing:border-box;display:grid;gap:var(--space-4);max-width:var(--content-max);margin:0 auto;padding:var(--space-4)}.shell-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap}.stack-1,.stack-2,.stack-3,.stack-4{display:grid}.stack-1{gap:var(--space-1)}.stack-2{gap:var(--space-2)}.stack-3{gap:var(--space-3)}.stack-4{gap:var(--space-4)}.row{display:flex;gap:var(--space-2)}.inline-row{display:inline-flex;align-items:center;gap:var(--space-2)}.center{align-items:center}.end{align-items:end}.wrap{flex-wrap:wrap}.gap-1{gap:var(--space-1)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-5{gap:var(--space-5)}.grow{flex:1}.grow-200{flex:1;min-width:200px}.grow-220{flex:1;min-width:220px}.grow-240{flex:1;min-width:240px}.min-140{min-width:140px}.fill{box-sizing:border-box;width:100%}.measure-sm{max-width:520px}.measure-md{max-width:640px}.measure-lg{max-width:720px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2)}.grid-choices{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--space-1)}.translation-row{display:grid;grid-template-columns:max-content 1fr max-content;gap:var(--space-2);align-items:center}.spec-list{display:grid;grid-template-columns:max-content 1fr;gap:var(--space-1) var(--space-4);margin:0}.plain-list{display:grid;gap:var(--space-2);list-style:none;margin:0;padding:0}.rule-top{border-top:1px solid var(--color-line);padding-top:var(--space-2)}.rule-bottom{border-bottom:1px solid var(--color-line)}.pane{flex:1;min-width:0}.fieldset-bare{display:grid;gap:var(--space-3);border:none;margin:0;padding:0;min-width:0}.flush,.h-lg,.h-md,.h-sm,.h-xs{margin:0}.h-lg{font-size:20px}.h-md,.h-md-natural{font-size:18px}.h-sm{font-size:16px}.h-xs,.h-xs-pane{font-size:14px}.h-xs-pane{margin:0 0 var(--space-2)}.hint{color:var(--color-muted)}.hint-lead{margin:0 0 var(--space-2)}.text-danger{color:var(--color-danger)}.text-warning{color:var(--color-warning)}.text-success{color:var(--color-success)}.speak-prompt{font-size:18px;color:var(--color-brand-strong)}.data-table{border-collapse:collapse;width:100%}.table-collapse{border-collapse:collapse}.cell{padding:var(--space-2);border-bottom:1px solid var(--color-line);text-align:left}.cell-actions{display:flex;gap:var(--space-2);flex-wrap:wrap}.cell-compact{padding:var(--space-1) var(--space-3) var(--space-1) 0;text-align:left}.panel-info{display:grid;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--color-brand);border-radius:var(--radius-panel);background:var(--color-info-surface);color:var(--color-ink)}.panel-info .hint{color:inherit}input:not([type=radio],[type=checkbox]),select,textarea{box-sizing:border-box;min-height:var(--target-min);padding:var(--space-1) var(--space-2);border:1px solid var(--color-control-border);border-radius:var(--radius-control);background:var(--color-bg);color:var(--color-fg);font:inherit}button{box-sizing:border-box;min-height:var(--target-min);padding:var(--space-1) var(--space-3);border:1px solid var(--color-control-border);border-radius:var(--radius-control);background:var(--color-bg);color:var(--color-fg);font:inherit;cursor:pointer}button:disabled{background:var(--color-surface);color:var(--color-muted);cursor:not-allowed}.btn-primary{border-color:var(--color-brand-strong);background:var(--color-brand-strong);color:var(--color-on-strong)}.btn-cta{border-color:var(--color-ink);background:var(--color-cta);color:var(--color-ink)}.btn-danger{border-color:var(--color-danger);color:var(--color-danger)}.btn-danger-solid{border-color:var(--color-danger);background:var(--color-danger);color:var(--color-on-strong)}.btn-primary:disabled,.btn-cta:disabled,.btn-danger-solid:disabled{border-color:var(--color-control-border);background:var(--color-surface);color:var(--color-muted)}.btn-danger:disabled{border-color:var(--color-control-border);color:var(--color-muted)}.tab{min-height:var(--target-min);padding:var(--space-2) var(--space-3);border:none;border-bottom:2px solid transparent;border-radius:0;background:none;font-weight:400}.tab[aria-selected=true]{border-bottom-color:var(--color-brand-strong);color:var(--color-brand-strong);font-weight:600}.status-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--color-muted)}.status-dot[data-tone=ok]{background:var(--color-success)}.status-dot[data-tone=warn]{background:var(--color-warning)}.status-dot[data-tone=error]{background:var(--color-danger)}.meter{width:240px;height:12px;border:1px solid var(--color-control-border);border-radius:var(--radius-control);background:var(--color-surface);overflow:hidden}.meter-fill{width:var(--meter-level);height:100%;background:var(--color-success);transition:width 80ms 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