/* 共通設定 */
body.single-av {
  background-color: #111;
  color: #f2f2f2;
  font-family: "Helvetica Neue", sans-serif;
  line-height: 1.8;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* タイトル（H1） */
.entry-title {
  font-size: 2.2rem;
  color: #fff;
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 10px;
  border-bottom: 2px solid #FFD700;
}

/* 見出し（H2） */
.section-title {
  font-size: 1.6rem;
  color: #fff;
  border-left: 6px solid #FFD700;
  padding-left: 12px;
  margin: 60px 0 20px;
}

/* サムネイル */
.av-thumbnail {
  text-align: center;
  margin-bottom: 30px;
}
.av-thumbnail img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* メタ情報 */
.av-meta {
  list-style: none;
  padding: 0;
  margin: 0;
}
.av-meta li {
  margin-bottom: 8px;
}
.av-meta .label {
  display: inline-block;
  width: 90px;
  font-weight: bold;
  color: #FFD700;
}

/* 紹介文 */
.av-description {
  background: #1a1a1a;
  padding: 20px;
  border-radius: 6px;
}

/* 動画サンプル */
.av-sample-video iframe {
  width: 100%;
  max-width: 720px;
  height: 405px;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
}

/* ギャラリー */
.av-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.av-gallery img {
  width: 120px;
  height: auto;
  border-radius: 4px;
  transition: transform 0.3s ease;
  cursor: pointer;
}
.av-gallery img:hover {
  transform: scale(1.5);
  z-index: 10;
}

/* 関連記事 */
.av-related-posts ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 15px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.av-related-posts li {
  background: #1a1a1a;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
}
.av-related-posts li a {
  color: #f2f2f2;
  text-decoration: none;
}
.av-related-posts li a:hover {
  text-decoration: underline;
}
.av-related-posts img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  margin-bottom: 5px;
}

/* スマホ対応 */
@media (max-width: 768px) {
  .entry-title {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .av-gallery img {
    width: 100px;
  }

  .container {
    padding: 30px 15px;
  }
}
.section-title::before {
  content: none !important;
}