/* heading - 見出し */
  .p-article_content h1,
  .p-article_content h2,
  .p-article_content h3,
  .p-article_content h4,
  .p-article_content h5,
  .p-article_content h6 {
    color: inherit;
    line-height: 1.4;
  }

  .p-article_content h1 {
    font-size: 2.44em;
    margin-top: 0.67em;
    margin-bottom: 0.67em;
  }

  .p-article_content h2 {
    font-size: 1.95em;
    margin-top: 0.83em;
    margin-bottom: 0.83em;
  }

  .p-article_content h3 {
    font-size: 1.56em;
    margin-top: 1em;
    margin-bottom: 1em;
  }

  .p-article_content h4 {
    font-size: 1.25em;
    line-height: 1.5;
    margin-top: 1.33em;
    margin-bottom: 1.33em;
  }

  .p-article_content h5 {
    font-size: 1em;
    margin-top: 1.67em;
    margin-bottom: 1.67em;
  }

  .p-article_content h6 {
    font-size: 0.8em;
    margin-top: 2.33em;
    margin-bottom: 2.33em;
  }

  /* p - 段落 */
  .p-article_content p {
    margin: 1.75em 0;
  }

  .p-article_content p:first-of-type {
    margin-top: 0;
  }

  .p-article_content p a {
    text-decoration: underline;
  }

  /* ul,ol - リスト */
  .p-article_content ul {
    list-style-type: disc;
  }

  .p-article_content ol {
    list-style-type: decimal;
  }

  .p-article_content ul,
  .p-article_content ol {
    margin-bottom: 28px;
    padding-left: 1.3em;
    margin-left: 1.3em;
  }

  .p-article_content ul li,
  .p-article_content ol li {
    margin-bottom: initial;
  }

  .p-article_content ul ul,
  .p-article_content ul ol,
  .p-article_content ol ul,
  .p-article_content ol ol {
    margin-bottom: 0;
  }

  .p-article_content ul ul,
  .p-article_content ol ul {
    list-style-type: circle;
  }

  /* iframe - youtubeなど */
  .p-article_content iframe {
    max-width: 100%;
  }

  /* image - 画像 */
  .p-article_content .wp-block-image {
    line-height: 0;
    text-align: center;
    margin: 3.5em 0;
  }

  @media (max-width: 840px) {
    .p-article_content .wp-block-image {
      margin: 2.5em 0;
    }
  }

  @media (max-width: 540px) {
    .p-article_content .wp-block-image {
      margin: 1.5em 0;
    }
  }

  .p-article_content .wp-block-image:first-child {
    margin-top: 0;
  }

  /* quote - 引用 */
  .p-article_content .wp-block-quote {
    padding: 1em 2em;
    margin: 0;
    border-left: 3px solid rgba(0, 0, 0, 0.5);
  }

  .p-article_content .wp-block-quote cite {
    text-align: right;
    display: block;
    font-style: normal;
    font-size: 0.9em;
  }

  /* pullquote - プルクォート */
  .p-article_content .wp-block-pullquote {
    border-top: 2px solid rgba(0, 0, 0, 0.5);
    border-bottom: 2px solid rgba(0, 0, 0, 0.5);
  }

  .p-article_content .wp-block-pullquote cite {
    font-style: normal;
  }

  /* code - コード */
  .p-article_content .wp-block-code {
    background: rgba(0, 0, 0, 0.15);
    padding: 1em;
  }

  /* verse - 詩 */
  .p-article_content .wp-block-verse {
    border: 1px solid rgba(0, 0, 0, 0.15);
    padding: 1em;
  }