/* Auto Related Articles Plugin Styles */

/* 記事冒頭のランダム記事セクション */
.ara-random-articles {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 25px;
  border-radius: 8px;
  margin-bottom: 40px;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.ara-random-title {
  color: #fff;
  font-size: 18px;
  margin-bottom: 15px;
  padding-left: 10px;
  border-left: 4px solid #ffd700;
  font-weight: 600;
}

.ara-random-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ara-random-item {
  background: rgba(255, 255, 255, 0.95);
  padding: 12px 15px;
  border-radius: 6px;
  transition: all 0.3s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ara-random-item:hover {
  background: #fff;
  transform: translateX(5px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.ara-random-item::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #667eea;
  border-radius: 50%;
  flex-shrink: 0;
}

.ara-random-item a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  flex: 1;
  font-size: 14px;
}

/* 記事末尾の関連記事セクション */
.ara-related-articles {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 3px solid #667eea;
}

.ara-related-title {
  font-size: 22px;
  color: #2c3e50;
  margin-bottom: 25px;
  text-align: center;
  position: relative;
  padding-bottom: 15px;
  font-weight: 600;
}

.ara-related-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #667eea, #764ba2);
}

.ara-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 25px;
}

.ara-related-item {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.ara-related-item:hover {
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
  transform: translateY(-2px);
}

.ara-related-thumbnail {
  width: 100%;
  height: 160px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.ara-related-thumbnail:not([style*="background-image"])::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.ara-related-thumbnail:not([style*="background-image"])::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.ara-related-content {
  padding: 15px;
}

.ara-related-content a {
  color: #2c3e50;
  text-decoration: none;
  font-weight: 500;
  display: block;
  font-size: 14px;
  line-height: 1.6;
  cursor: pointer;
}

.ara-related-item:hover .ara-related-content a {
  color: #667eea;
}

/* もっとみるボタン */
.ara-load-more-wrap {
  text-align: center;
  margin-top: 20px;
}

.ara-load-more-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  padding: 15px 50px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  position: relative;
  overflow: hidden;
}

.ara-load-more-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ara-load-more-btn:hover::before {
  width: 300px;
  height: 300px;
}

.ara-load-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.ara-load-more-btn:active {
  transform: translateY(0);
}

.ara-load-more-btn span {
  position: relative;
  z-index: 1;
}

/* ローディングアニメーション */
.ara-load-more-btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.ara-load-more-btn.loading span::after {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 8px;
  border: 2px solid #fff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: ara-spin 0.6s linear infinite;
}

@keyframes ara-spin {
  to { transform: rotate(360deg); }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .ara-related-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .ara-related-thumbnail {
    height: 180px;
  }
  
  .ara-random-articles {
    padding: 20px 15px;
  }
  
  .ara-random-title {
    font-size: 16px;
  }
  
  .ara-random-item {
    padding: 10px 12px;
  }
  
  .ara-random-item a {
    font-size: 13px;
  }
  
  .ara-related-title {
    font-size: 18px;
  }
  
  .ara-related-content a {
    font-size: 13px;
  }
  
  .ara-load-more-btn {
    padding: 12px 40px;
    font-size: 14px;
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .ara-related-thumbnail {
    height: 160px;
  }
}