/* お役立ち情報ページ共通スタイル */

/* パンくずリスト */








/* ヒーローセクション */
.useful-hero {
  background: linear-gradient(135deg, #1c1917 0%, #292524 100%);
  padding: 3.5rem 2rem;
  text-align: center;
}
.useful-hero .container {
  max-width: 800px;
  margin: 0 auto;
}
.useful-hero-label {
  display: inline-block;
  color: var(--primary);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.useful-hero h1 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}
.useful-hero-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  line-height: 1.7;
}

/* お役立ち情報トップ - カテゴリカード */
.useful-categories {
  padding: 4rem 2rem;
  background: var(--bg-base);
}
.useful-categories .container {
  max-width: 900px;
  margin: 0 auto;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.category-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s ease;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.category-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.category-icon svg {
  width: 32px;
  height: 32px;
}
.category-card h2 {
  font-size: 1.1rem;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}
.category-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.category-card .count {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
}

/* 記事一覧 */
.article-list {
  padding: 4rem 2rem;
  background: var(--bg-base);
}
.article-list .container {
  max-width: 900px;
  margin: 0 auto;
}
.article-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
.article-list-header h2 {
  font-size: 1.3rem;
  color: var(--text-dark);
}
.article-list-header a {
  color: var(--primary);
  font-size: 0.9rem;
  text-decoration: none;
}
.article-list-header a:hover {
  text-decoration: underline;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.article-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.article-card-image {
  aspect-ratio: 16/9;
  background: var(--bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 3rem;
  overflow: hidden;
}
.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  width: fit-content;
}
.article-card-tag.ebike {
  background: rgba(16,185,129,0.1);
  color: var(--success);
}
.article-card h3 {
  font-size: 1rem;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.article-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}
.article-card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* 記事詳細ページ */
.article-detail {
  padding: 3rem 2rem;
  background: var(--bg-base);
}
.article-detail .container {
  max-width: 800px;
  margin: 0 auto;
}
.article-header {
  margin-bottom: 2.5rem;
}
.article-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}
.article-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}
.article-tag.ebike {
  background: rgba(16,185,129,0.1);
  color: var(--success);
}
.article-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.article-header h1 {
  font-size: 1.75rem;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 1rem;
}
.article-lead {
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.8;
  padding: 1.25rem;
  background: var(--bg-elevated);
  border-left: 4px solid var(--primary);
  border-radius: 0 8px 8px 0;
}

/* 記事本文 */
.article-content {
  line-height: 1.9;
  color: var(--text-body);
}
.article-content h2 {
  font-size: 1.3rem;
  color: var(--text-dark);
  margin: 3rem 0 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary);
}
.article-content h3 {
  font-size: 1.1rem;
  color: var(--text-dark);
  margin: 2rem 0 1rem;
}
.article-content p {
  margin-bottom: 1.5rem;
}
.article-content ul,
.article-content ol {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}
.article-content li {
  margin-bottom: 0.75rem;
  line-height: 1.7;
}
.article-content strong {
  color: var(--text-dark);
  font-weight: 600;
}

/* 注意ボックス */
.notice-box {
  background: linear-gradient(135deg, rgba(217,119,6,0.08) 0%, rgba(245,158,11,0.08) 100%);
  border: 1px solid rgba(217,119,6,0.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.notice-box h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.notice-box p {
  margin-bottom: 0.75rem;
}
.notice-box p:last-child {
  margin-bottom: 0;
}

/* ポイントボックス */
.point-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.point-box h4 {
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.point-box ul {
  margin: 0;
  padding-left: 1.25rem;
}
.point-box li {
  margin-bottom: 0.5rem;
}
.point-box li:last-child {
  margin-bottom: 0;
}

/* CTA セクション */
.article-cta {
  background: var(--primary);
  border-radius: 16px;
  padding: 2rem;
  margin: 3rem 0;
  text-align: center;
}
.article-cta h3 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.75rem;
}
.article-cta p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}
.article-cta .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
  color: var(--primary);
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}
.article-cta .btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 関連記事 */
.related-articles {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.related-articles h2 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .useful-hero {
    padding: 2.5rem 1.5rem;
  }
  .useful-hero h1 {
    font-size: 1.6rem;
  }
  .useful-categories {
    padding: 3rem 1.5rem;
  }
  .category-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .category-card {
    display: flex;
    align-items: center;
    text-align: left;
    padding: 1.25rem;
    gap: 1rem;
  }
  .category-icon {
    margin: 0;
    width: 56px;
    height: 56px;
    flex-shrink: 0;
  }
  .category-card h2 {
    margin-bottom: 0.25rem;
  }
  .category-card .count {
    margin-top: 0.5rem;
  }
  .article-list {
    padding: 3rem 1.5rem;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .article-detail {
    padding: 2rem 1.5rem;
  }
  .article-header h1 {
    font-size: 1.4rem;
  }
  .article-content h2 {
    font-size: 1.15rem;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}

/* ダークモード */
@media (prefers-color-scheme: dark) {
  .useful-hero {
    background: linear-gradient(135deg, #0c0a09 0%, #1c1917 100%);
  }
  .useful-categories {
    background: var(--bg-base);
  }
  .category-card {
    background: var(--bg-elevated);
    border-color: var(--border);
  }
  .category-card h2 {
    color: var(--text-primary);
  }
  .category-icon {
    background: rgba(217,119,6,0.15);
  }
  .article-list {
    background: var(--bg-base);
  }
  .article-list-header h2 {
    color: var(--text-primary);
  }
  .article-card {
    background: var(--bg-elevated);
    border-color: var(--border);
  }
  .article-card h3 {
    color: var(--text-primary);
  }
  .article-card-image {
    background: var(--bg-section);
  }
  .article-detail {
    background: var(--bg-base);
  }
  .article-header h1 {
    color: var(--text-primary);
  }
  .article-lead {
    background: var(--bg-elevated);
  }
  .article-content {
    color: var(--text-secondary);
  }
  .article-content h2,
  .article-content h3,
  .article-content strong {
    color: var(--text-primary);
  }
  .notice-box {
    background: rgba(217,119,6,0.08);
    border-color: rgba(217,119,6,0.2);
  }
  .point-box {
    background: var(--bg-elevated);
    border-color: var(--border);
  }
  .point-box h4 {
    color: var(--text-primary);
  }
  .related-articles {
    border-color: var(--border);
  }
  .related-articles h2 {
    color: var(--text-primary);
  }
}