.single .content_main {
  margin: 0 auto 50px;
  max-width: 1200px;
  width: 100%;
  font-size: 16px;
  padding: 0 20px;

  /* --- 基本 --- */
  p {
    font-size: 16px;
    line-height: 1.8;
    margin: 20px 0;
    color: #333;
  }

  a {
    color: #009944;
    text-decoration: underline;
    transition: all 0.3s;
  }
  a:hover {
    opacity: 0.8;
    text-decoration: none;
  }

  img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    margin: 20px 0;
    object-fit: cover;
    object-position: center;
  }

  figure {
    margin: 0 0 20px;
    text-align: center;
  }
  figure figcaption {
    font-size: 14px;
    color: #777;
    margin-top: 8px;
  }

  /* --- 見出し --- */
  h2 {
    font-size: 28px;
    font-weight: bold;
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid #009944;
    color: #009944;
  }
  @media screen and (max-width: 768px) {
    h2 {
      font-size: 1.8rem;
    }
  }
  h3 {
    font-size: 26px;
    font-weight: bold;
    margin: 30px 0 15px;
    position: relative;
    padding-bottom: 20px;
    color: #0f7e40;
  }
  @media screen and (max-width: 768px) {
    h3 {
      font-size: 1.8rem;
    }
  }
  h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: linear-gradient(
      to left,
      #dbdbdb 90%,
      /* 左側 90% グレー */ #029844 90% /* 右側 10% グリーン */
    );
  }

  h4 {
    font-size: 24px;
    font-weight: bold;
    margin: 25px 0 12px;
    color: #444;
  }

  /* --- リスト --- */
  ul {
    margin: 20px 0 20px 20px;
    padding-left: 0; /* デフォルトのインデントをリセット */
    list-style: none; /* デフォルトのマーカーを消す */
  }

  ul li {
    position: relative; /* 擬似要素の基準にする */
    margin-bottom: 8px;
    line-height: 1.6;
    padding-left: 1.2em; /* マーカー分の余白を確保 */
  }

  ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7em; /* 行の高さに合わせて調整 */
    width: 6px;
    height: 6px;
    border-radius: 50%; /* 丸にする */
    background-color: #029844; /* マーカーの色 */
  }

  ol {
    margin: 20px 0 20px 20px;
    list-style: decimal;
  }
  ol li {
    margin-bottom: 8px;
    line-height: 1.6;
  }

  /* --- 引用 --- */
  blockquote {
    border-left: 4px solid #009944;
    padding: 15px 20px;
    margin: 30px 0;
    background: #f9f9f9;
    color: #555;
    font-style: italic;
  }

  /* --- テーブル --- */

  table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
  }

  table tr {
    display: flex;
  }
  @media screen and (max-width: 768px) {
    table tr {
      flex-direction: column;
      margin-bottom: 20px;
    }
  }

  table th {
    text-align: left;
    width: 300px;
    padding: 30px 20px;
    border-bottom: 1px solid #0f7e40;
    color: #0f7e40;
    background: none;
    font-weight: bold;
    font-size: 18px;
  }

  @media screen and (max-width: 768px) {
    table th {
      width: 100%;
      padding: 15px 0;
    }
  }

  table td {
    padding: 30px 20px;
    border-bottom: 1px solid #ddd;
    width: 100%;
  }
  @media screen and (max-width: 768px) {
    table td {
      padding: 15px 0;
      border-bottom: none;
    }
  }
}
.single_media_individual {
  margin-top: 50px;
}

.single_meta_wrap_tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.single_ttl {
  font-size: 36px;
  font-weight: bold;
  color: #0f7e40;
  margin: 20px 0;
  position: relative;
  line-height: 1.6;
}

@media screen and (max-width: 768px) {
  .single_ttl {
    font-size: 1.8rem;
  }
}

.single_eye_catch {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.single_eye_catch img {
  width: 100%;
  border-radius: 20px;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
  object-position: center;
}

.download_btn {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  margin-bottom: 40px;
}

.download_btn img {
  width: 100%;
}
.basic_info {
  margin-top: 30px;
}

.basic_info h4 {
  font-size: 36px;
  margin-bottom: 15px;
  color: #0f7e40; /* 緑系 */
}
.related_posts_wrap {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}
.related_posts {
  margin-bottom: 50px;
}

.related_posts_title {
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 20px;
  text-align: left !important;
  color: #0f7e40;
}
.single_meta_wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.single_category_list {
}
.single_category_list .single_category_label {
  background: #029844;
  display: inline-block;
  margin: 0 4px 4px 0;
  padding: 7px 18px 6px 18px;
  line-height: 1;
  border-radius: 13px;
  color: #fff;
}
.cards__item--empty {
  font-size: 16px;
}
.single_tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.single_tag {
  color: #333333;
  padding: 5px 10px;
  font-size: 14px;
  border-radius: 5px;
  background: #f0f0f0;
}

.tag_list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 20px;
}

.tag_list li {
  color: #333333;
  font-weight: bold;
  padding: 5px 10px;
  font-size: 1.2rem;
  border-radius: 5px;
  background: #f0f0f0;
}

.tag_list a {
  color: #333333;
  text-decoration: none;
}

/* 目次 */
.post_toc {
  margin: 20px 0;
  padding: 15px 20px;
  background: #eff5e5; /* 薄いグリーン系背景 */
  border-radius: 20px; /* 角丸 */
}

.post_toc h2 {
  margin: 15px 0 10px !important;
  font-weight: bold;
  font-size: 20px !important;
  color: #333 !important;
  border-bottom: 0 !important;
}

.post_toc ul {
  margin: 0;
  list-style: none; /* デフォルトマーカー削除 */
  margin: 0 !important;
}

.post_toc li {
  margin-bottom: 6px;
  line-height: 1.6;
  position: relative;
  padding-left: 16px; /* カスタムマーカー分の余白 */
}

/* 緑の丸マーカー */
.post_toc li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #0f7e40; /* 緑色 */
}

/* リンクの装飾 */
.post_toc a {
  color: #000 !important;
  text-decoration: none;
}

.post_toc a:hover {
  text-decoration: underline;
}