:root{--primary-color:#007bff;--success-color:#28a745;--danger-color:#dc3545;--light-gray:#f0f2f5;--dark-gray:#333;--white:#fff}.container.svelte-jtcgtn.svelte-jtcgtn{display:flex;align-items:center;justify-content:center;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Hiragino Sans,Noto Sans CJK JP,Yu Gothic,sans-serif;background-color:var(--light-gray);padding:1rem;box-sizing:border-box}#start-screen.svelte-jtcgtn.svelte-jtcgtn,#quiz-container.svelte-jtcgtn.svelte-jtcgtn,#result-screen.svelte-jtcgtn.svelte-jtcgtn{background-color:var(--white);padding:2rem;border-radius:12px;box-shadow:0 4px 12px #0000001a;text-align:center;max-width:640px;width:100%}h1.svelte-jtcgtn.svelte-jtcgtn{margin-top:0}.description.svelte-jtcgtn.svelte-jtcgtn{color:#555;margin-bottom:1.5rem;line-height:1.6}.start-button.svelte-jtcgtn.svelte-jtcgtn{margin-top:2rem;padding:.8rem 2rem;font-size:1.2rem;border:none;border-radius:6px;cursor:pointer;color:#fff;background-color:var(--primary-color)}#game-info.svelte-jtcgtn.svelte-jtcgtn{display:flex;justify-content:space-between;font-size:1.2rem;font-weight:700;color:var(--dark-gray);margin-bottom:1rem;padding:0 1rem}#score-board.svelte-jtcgtn.svelte-jtcgtn{color:var(--primary-color)}#svg-container.svelte-jtcgtn.svelte-jtcgtn{position:relative;width:100%;max-width:600px;height:auto;aspect-ratio:1 / 1;border:1px solid #ddd;border-radius:8px;margin:1rem auto;background-color:var(--white);display:flex;align-items:center;justify-content:center}#svg-container.svelte-jtcgtn svg{width:100%;height:100%}#svg-container.svelte-jtcgtn svg path{stroke:none}#svg-container.svelte-jtcgtn #score-popup{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:3rem;font-weight:700;color:var(--success-color);opacity:0;transition:all .8s ease-out;pointer-events:none}#svg-container.svelte-jtcgtn #score-popup.show{opacity:1;transform:translate(-50%,-150%)}#choices-container.svelte-jtcgtn.svelte-jtcgtn{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-top:1rem}.choice-button.svelte-jtcgtn.svelte-jtcgtn{padding:1rem;font-size:1.1rem;border:none;border-radius:6px;cursor:pointer;color:#fff;background-color:var(--primary-color);transition:background-color .2s}.choice-button.svelte-jtcgtn.svelte-jtcgtn:hover:not(:disabled){background-color:#0056b3}.choice-button.svelte-jtcgtn.svelte-jtcgtn:disabled{background-color:#aaa;cursor:not-allowed}#result.svelte-jtcgtn.svelte-jtcgtn{margin-top:1.5rem;font-size:1.2rem;font-weight:700;height:2rem}.correct.svelte-jtcgtn.svelte-jtcgtn{color:var(--success-color)}.incorrect.svelte-jtcgtn.svelte-jtcgtn{color:var(--danger-color)}#result-screen.svelte-jtcgtn .button-group.svelte-jtcgtn{display:flex;flex-direction:column;gap:1rem;margin-top:2rem}#final-score.svelte-jtcgtn.svelte-jtcgtn{font-size:2.5rem;color:var(--primary-color);display:block;margin:1rem 0}#retry-button.svelte-jtcgtn.svelte-jtcgtn{padding:.8rem 2rem;font-size:1.2rem;background-color:var(--success-color);color:#fff;border:none;border-radius:6px;cursor:pointer}.sound-toggle-container.svelte-jtcgtn.svelte-jtcgtn{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:20px}.sound-label.svelte-jtcgtn.svelte-jtcgtn{font-size:1.1em;color:var(--dark-gray)}.switch.svelte-jtcgtn.svelte-jtcgtn{position:relative;display:inline-block;width:60px;height:34px}.switch.svelte-jtcgtn input.svelte-jtcgtn{opacity:0;width:0;height:0}.slider.svelte-jtcgtn.svelte-jtcgtn{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;-webkit-transition:.4s;transition:.4s}.slider.svelte-jtcgtn.svelte-jtcgtn:before{position:absolute;content:"";height:26px;width:26px;left:4px;bottom:4px;background-color:#fff;-webkit-transition:.4s;transition:.4s}input.svelte-jtcgtn:checked+.slider.svelte-jtcgtn{background-color:#2196f3}input.svelte-jtcgtn:focus+.slider.svelte-jtcgtn{box-shadow:0 0 1px #2196f3}input.svelte-jtcgtn:checked+.slider.svelte-jtcgtn:before{-webkit-transform:translateX(26px);-ms-transform:translateX(26px);transform:translate(26px)}.slider.round.svelte-jtcgtn.svelte-jtcgtn{border-radius:34px}.slider.round.svelte-jtcgtn.svelte-jtcgtn:before{border-radius:50%}