body {
    /* font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; */
    background: #f4f4f3;
    color: #333;
    margin: 0;
    padding: 3rem 0;
    overflow-x: hidden;
  }

  article {
    width: 80%;
    margin: 0 auto;
    box-sizing: border-box;
    background: #ffffff;
    padding: 2.5rem;
}

  /* article {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.07);
    max-width: 900px;
  } */

  h1 {
    text-align: center;
    font-weight: normal;
    font-size: 1.8rem;
    margin-bottom: 2.5rem;
    letter-spacing: 0.05em;
    color: #2f2a2a;
  }

  h2 {
    font-weight: normal;
    font-size: 1.4rem;
    margin-top: 2rem;
    padding-bottom: 0.3rem;
    border-bottom: 2px solid #b7b3ae; /* グレージュ */
    color: #3c3737;
  }

  /* 目次 */
  ul {
    list-style: none;
    padding-left: 0;
    margin-top: 1rem;
  }

  ul li {
    padding: 0.6rem 0.2rem;
    border-bottom: 1px solid #ddd;
  }

  ul li:last-child {
    border-bottom: none;
  }

  a {
    color: #5a4f4f;
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
  }

  /* 登場人物紹介 */
  table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 1rem;
    background: #fff;
    table-layout: fixed;
  }

  th, td {
    padding: 0.7rem 0.5rem;
    border-bottom: 1px solid #e2e2e2;
    vertical-align: top;
  }

  th {
    width: 28%;
    background: #f6f4f3;
    font-weight: normal;
    color: #4a4444;
  }

  tr:last-child th,
  tr:last-child td {
    border-bottom: none;
  }

  .spOnly {
  display: none;
}

@media screen and (max-width: 768px) {
  .spOnly {
    display: block;
  }
}