/* トップページのスタイル */

/* 全体のコンテナ */
.home-container {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  font-family: "Helvetica Neue", Arial, sans-serif;
  padding: 20px;
}

/* サイドバー */
.sidebar {
  width: 320px;
  padding-right: 20px;
  border-right: 1px solid #ddd;
}

.sidebar h2 {
  font-size: 1.2em;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.community-list {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.community-item {
  margin-bottom: 10px;
}

.community-item a {
  display: block;
  padding: 8px 10px;
  color: #333;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.community-item a:hover {
  background-color: #f5f5f5;
  color: #0066cc;
}

/* メインコンテンツ */
.main-content {
  flex: 1;
  padding-left: 30px;
}

.main-content h1 {
  font-size: 1.5em;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.topic-list {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.topic-item {
  padding: 15px;
  border-bottom: 1px solid #eee;
  transition: background-color 0.2s;
}

.topic-item:hover {
  background-color: #f9f9f9;
}

.topic-title {
  margin-bottom: 5px;
}

.topic-title a {
  color: #0066cc;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
}

.topic-title a:hover {
  text-decoration: underline;
}

.topic-meta {
  font-size: 0.85em;
  color: #666;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.community-name {
  background-color: #f0f0f0;
  padding: 2px 6px;
  border-radius: 3px;
}

.user-name {
  color: #555;
}

.created-at {
  margin-left: auto;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .home-container {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #ddd;
    padding-right: 0;
    padding-bottom: 20px;
    margin-bottom: 20px;
  }
  
  .main-content {
    padding-left: 0;
  }
}