スケールズーム遷移

<div class="d08-04-03-stage">
          <div class="d08-04-03-page d08-04-03-a">
            <strong>商品一覧</strong>
            <p>気になる商品を選択</p>
          </div>
          <div class="d08-04-03-page d08-04-03-b">
            <strong>商品詳細</strong>
            <p>詳細情報を表示</p>
          </div>
          <button type="button" class="d08-04-03-btn">詳細を見る</button>
        </div>

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