/* =========================
   活動報告 詳細ページ
========================= */

#activity-single {
  padding-top: 80px;
}

.activity-single-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 5vw;
}

/* パンくず */

.activity-single-hero {
  background: #f7f7f7;
  padding: 20px 0;
}

.activity-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #888;
  flex-wrap: wrap;
}

.activity-breadcrumb a {
  color: #3b7960;
  text-decoration: none;
}

.activity-breadcrumb a:hover {
  text-decoration: underline;
}

/* 記事本体 */

.activity-single-body {
  padding-top: 50px;
  padding-bottom: 80px;
}

.activity-article {
  margin-bottom: 60px;
}

/* メタ */

.activity-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.activity-article-date {
  font-size: 14px;
  color: #888;
}

/* タイトル */

.activity-article-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.5;
  color: #222;
  margin: 0 0 32px;
  font-family: var(--tcd-headline-font-type);
  border-bottom: 2px solid #e8e8e8;
  padding-bottom: 20px;
}

/* アイキャッチ */

.activity-article-thumb {
  margin-bottom: 36px;
  border-radius: 10px;
  overflow: hidden;
}

.activity-article-thumb img {
  width: 100%;
  height: auto;
  display: block;
}

/* 本文 */

.activity-article-content {
  font-size: 16px;
  line-height: 1.9;
  color: #333;
}

.activity-article-content p {
  margin-bottom: 1.5em;
}

.activity-article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.activity-article-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: #3b7960;
  margin: 2em 0 1em;
  padding-left: 12px;
  border-left: 4px solid #3b7960;
}

.activity-article-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 1.8em 0 0.8em;
}

/* 前後ナビ */

.activity-post-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid #e8e8e8;
  padding-top: 32px;
  margin-bottom: 40px;
}

.activity-post-nav-prev,
.activity-post-nav-next {
  flex: 1;
}

.activity-post-nav-next {
  text-align: right;
}

.activity-post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  color: #333;
  transition: 0.2s;
}

.activity-post-nav-link:hover {
  color: #3b7960;
}

.nav-label {
  font-size: 12px;
  color: #aaa;
}

.nav-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

/* 戻るボタン */

.activity-back {
  text-align: center;
  margin-top: 10px;
}

/* スマホ */

@media (max-width: 768px) {

  .activity-article-title {
    font-size: 22px;
  }

  .activity-post-nav {
    flex-direction: column;
    gap: 20px;
  }

  .activity-post-nav-next {
    text-align: left;
  }

}