/* ==========================================================================
   海鮮餃子 北京 - お知らせ/ブログ用スタイル
   既存サイトと統一感のあるデザイン
   ========================================================================== */

/* リセット & ベース */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  color: #333;
  background: #fdfaf5;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: #c0392b;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #e74c3c;
  text-decoration: underline;
}

/* ヘッダー */
.site-header {
  padding: 24px 16px 8px;
  text-align: center;
  background: rgba(255, 255, 255, 0.6);
}

.logo-link {
  display: inline-block;
}

.logo-banner {
  max-width: 560px;
  width: 100%;
  height: auto;
}

/* メインナビゲーション */
.main-nav {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 2px solid #c0392b;
  padding: 0 16px;
}

.main-nav ul {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 1000px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

.main-nav li { margin: 0; }

.main-nav a {
  display: block;
  padding: 14px 18px;
  color: #333;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border-bottom: 3px solid transparent;
}

.main-nav a:hover {
  color: #c0392b;
  text-decoration: none;
  border-bottom-color: #f1c40f;
}

.main-nav a.current {
  color: #c0392b;
  border-bottom-color: #c0392b;
  font-weight: 700;
}

.main-nav .lang-switch {
  background: #f39c12;
  color: #fff;
  border-radius: 4px;
  margin: 6px 0;
  padding: 8px 16px;
}

.main-nav .lang-switch:hover {
  background: #e67e22;
  color: #fff;
  border-bottom-color: transparent;
}

/* メインコンテンツ */
.site-main {
  max-width: 860px;
  margin: 32px auto;
  padding: 32px 24px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

h1, h2, h3, h4 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  color: #2c3e50;
  line-height: 1.4;
  margin-top: 1.8em;
  margin-bottom: 0.8em;
}

h1 { font-size: 1.8rem; border-bottom: 3px double #c0392b; padding-bottom: 0.5em; }
h2 { font-size: 1.5rem; border-left: 6px solid #c0392b; padding-left: 12px; }
h3 { font-size: 1.25rem; color: #c0392b; }

p { margin: 1em 0; }

/* パンくず */
.breadcrumb {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px dashed #ccc;
}

.breadcrumb .sep {
  margin: 0 8px;
  color: #aaa;
}

/* 記事ページ */
.post-header { margin-bottom: 2em; }

.post-category {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 12px;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.post-title {
  font-size: 2rem;
  margin: 0.3em 0 0.5em;
  border-bottom: none;
  padding-bottom: 0;
}

.post-meta {
  font-size: 0.9rem;
  color: #888;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.post-eyecatch { margin: 2em 0; text-align: center; }

.post-eyecatch img {
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  margin: 0 auto;
}

.post-eyecatch figcaption {
  font-size: 0.85rem;
  color: #666;
  margin-top: 8px;
  font-style: italic;
}

.post-content { font-size: 1.05rem; line-height: 1.9; }

.post-content img {
  max-width: 100%;
  border-radius: 6px;
  margin: 1em auto;
}

.post-content blockquote {
  border-left: 4px solid #f39c12;
  padding: 8px 16px;
  margin: 1.5em 0;
  background: #fef9e7;
  color: #555;
  font-style: italic;
}

.post-content ul, .post-content ol { padding-left: 1.5em; }
.post-content li { margin: 0.3em 0; }

/* シェアボタン */
.post-share {
  margin: 3em 0 2em;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 8px;
  text-align: center;
}

.post-share .share-label {
  display: block;
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 12px;
}

.post-share a {
  display: inline-block;
  padding: 8px 20px;
  margin: 0 4px 8px;
  border-radius: 4px;
  color: #fff !important;
  font-weight: 600;
  font-size: 0.9rem;
}

.post-share a:hover { text-decoration: none; opacity: 0.85; }
.share-x { background: #000; }
.share-fb { background: #1877f2; }
.share-line { background: #06c755; }

/* 前後の記事 */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 2em 0;
}

.post-navigation a {
  display: block;
  padding: 16px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  color: #555;
  background: #fff;
}

.post-navigation a:hover {
  background: #fef9e7;
  border-color: #f39c12;
  text-decoration: none;
}

.post-navigation .label {
  display: block;
  font-size: 0.8rem;
  color: #999;
  margin-bottom: 4px;
}

.post-navigation .title {
  display: block;
  font-weight: 600;
}

.post-navigation .next { text-align: right; }

.back-to-list {
  text-align: center;
  margin: 2em 0;
}

.back-to-list a {
  display: inline-block;
  padding: 12px 28px;
  background: #c0392b;
  color: #fff;
  border-radius: 4px;
  font-weight: 600;
}

.back-to-list a:hover {
  background: #e74c3c;
  text-decoration: none;
}

/* お知らせ一覧 */
.news-intro {
  text-align: center;
  margin-bottom: 2em;
  padding-bottom: 1em;
  border-bottom: 2px dotted #f39c12;
}

.news-intro h1 {
  border-bottom: none;
  padding-bottom: 0;
}

.category-filter {
  margin: 1.5em 0;
  text-align: center;
}

.category-filter button {
  border: 1px solid #ddd;
  background: #fff;
  padding: 8px 18px;
  margin: 4px;
  border-radius: 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.category-filter button:hover,
.category-filter button.active {
  background: #c0392b;
  color: #fff;
  border-color: #c0392b;
}

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

.news-item {
  border-bottom: 1px solid #eee;
  padding: 18px 0;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.news-item:last-child { border-bottom: none; }

.news-date {
  font-size: 0.9rem;
  color: #888;
  white-space: nowrap;
  min-width: 120px;
}

.news-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  padding: 3px 10px;
  border-radius: 10px;
  display: inline-block;
}

.news-title {
  flex: 1;
  min-width: 200px;
  font-weight: 500;
  color: #333;
}

.news-title a { color: #333; text-decoration: none; }

.news-title a:hover {
  color: #c0392b;
  text-decoration: underline;
}

/* フッター */
.site-footer {
  background: #2c3e50;
  color: #fff;
  padding: 32px 16px;
  text-align: center;
  margin-top: 48px;
}

.footer-nav { margin-bottom: 16px; }
.footer-nav a {
  color: #fff;
  margin: 0 12px;
  font-size: 0.9rem;
}
.footer-nav a:hover { color: #f1c40f; }

.copyright, .address {
  margin: 8px 0;
  font-size: 0.85rem;
  opacity: 0.9;
}

.address a { color: #f1c40f; }

/* レスポンシブ */
@media (max-width: 768px) {
  .site-main { margin: 16px 8px; padding: 20px 16px; }
  .main-nav ul { gap: 0; }
  .main-nav a { padding: 10px 12px; font-size: 0.85rem; }
  .post-title { font-size: 1.5rem; }
  .post-navigation { grid-template-columns: 1fr; }
  .news-item { gap: 8px; }
  .news-date { min-width: auto; font-size: 0.85rem; }
}