:root{--bg:#fff;--bg-surface:#f3f4f6;--bg-surface-alt:#f9fafb;--border:#d1d5db;--border-header:#e5e7eb;--text:#111827;--text-muted:#6b7280;--text-secondary:#374151;--input-bg:#fff;--cell-favorable-bg:#dcfce7;--cell-favorable-text:#166534;--cell-unfavorable-bg:#fee2e2;--cell-unfavorable-text:#991b1b;--cell-even-bg:#fef9c3;--cell-even-text:#854d0e;--cell-neutral-bg:#f3f4f6;--cell-neutral-text:#9ca3af;--success-bg:#d1fae5;--success-text:#065f46;--winner-btn-bg:#fff;--winner-btn-selected-bg:#eff6ff;--winner-btn-selected-border:#2563eb;--winner-btn-selected-text:#1d4ed8;--submit-btn-bg:#2563eb;--submit-btn-disabled-bg:#9ca3af}@media(prefers-color-scheme:dark){:root{--bg:#111827;--bg-surface:#1f2937;--bg-surface-alt:#374151;--border:#374151;--border-header:#374151;--text:#f9fafb;--text-muted:#9ca3af;--text-secondary:#d1d5db;--input-bg:#1f2937;--cell-favorable-bg:#14532d;--cell-favorable-text:#86efac;--cell-unfavorable-bg:#7f1d1d;--cell-unfavorable-text:#fca5a5;--cell-even-bg:#713f12;--cell-even-text:#fde68a;--cell-neutral-bg:#1f2937;--cell-neutral-text:#6b7280;--success-bg:#064e3b;--success-text:#6ee7b7;--winner-btn-bg:#1f2937;--winner-btn-selected-bg:#1e3a8a;--winner-btn-selected-border:#3b82f6;--winner-btn-selected-text:#93c5fd;--submit-btn-bg:#2563eb;--submit-btn-disabled-bg:#4b5563}}body{background-color:var(--bg);color:var(--text);font-family:Noto Sans JP,sans-serif}.app-header[data-v-faa6363b]{align-items:center;border-bottom:1px solid var(--border-header);display:flex;justify-content:space-between;padding:.75rem 1rem}.app-title[data-v-faa6363b]{font-size:1.125rem;font-weight:700}.app-header nav a[data-v-faa6363b]{color:var(--text-secondary);font-size:.875rem;text-decoration:none}.app-header nav a[data-v-faa6363b]:hover{text-decoration:underline}.app-footer[data-v-faa6363b]{color:var(--text-muted);font-size:.75rem;padding:1.5rem 1rem;text-align:center}