光るラインで魅せるネオンサイン風アコーディオン

<div class="accordion-neon">
  <div class="accordion-item">
    <button class="accordion-question">Q. どんなシーンに合いますか？</button>
    <div class="accordion-answer">
      <p>A. 夜の雰囲気・ポップカルチャー系・ポートフォリオなどに映えます。</p>
    </div>
  </div>

  <div class="accordion-item">
    <button class="accordion-question">Q. このデザインの特徴は？</button>
    <div class="accordion-answer">
      <p>A. ネオン風のグローエフェクトと黒背景が特徴のユニークなアコーディオンです。</p>
    </div>
  </div>
</div>

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