body {
    background-color: #ffff;
    color: #333;
    /* padding: 20px; */
  }

  .novel-content {
    background-color: #ffff;
    color: #000;
    font-family: "Hiragino Mincho Pro", "Yu Mincho", serif;
    /* padding: 20px; */
    text-orientation: upright;
    line-height: 2;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-x: auto;
    overflow-y: auto; /* 縦書きのために必要 */
    -webkit-overflow-scrolling: touch;
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
    max-width: 90vw; /* 画面幅の90%以内 */
    max-height: 65vh; /* 画面高さの90%以内 */

    /* 右寄せ（新しく追加） */
    display: flex;
    flex-direction: column;
    align-items: flex-end;  /* ← これで右寄せ */
    max-width: fit-content;
    margin-left: auto;      /* ← 画面右寄せ */
  }


  /* 各テキスト要素の縦書き設定 */
  .novel-content h1,
  .novel-content h2,
  .novel-content h3 {
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
    text-orientation: upright;
    margin: 0 0 1em;
    font-weight: bold;
  }

  .novel-content p {
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
    text-orientation: upright;
    margin: 0 0 1em;
    font-weight: normal; /* ← 本文は通常 */
  }

  /* もし強調テキストだけ太字にしたいなら */
  .novel-content strong {
    font-weight: bold;
  }