* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Georgia', serif;
  background: #f8f6f2;
  color: #111;
  line-height: 1.8;
  font-size: 17px;
}
a { color: inherit; text-decoration: none; }
a:hover { color: #b8860b; }

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

/* ヘッダー */
.site-header {
  background: #111;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-wrap { padding: 16px 0 10px; text-align: center; }

.logo {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

.nav {
  display: flex;
  gap: 0;
  border-top: 1px solid #333;
}

.nav a {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 13px 8px;
  color: #aaa;
  border-right: 1px solid #333;
  white-space: nowrap;
  text-align: center;
  transition: all 0.15s;
}

.nav a:first-child { color: #b8860b; }
.nav a:hover { background: #b8860b; color: #fff; }

/* レイアウト */
.container { max-width: 1180px; margin: 0 auto; padding: 24px 20px; }

.main-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 24px;
}

/* ヒーロー */
.hero {
  background: #fff;
  border: 1px solid #e0ddd8;
  margin-bottom: 24px;
  padding: 28px;
}

.hero-cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #b8860b;
  margin-bottom: 10px;
}

.hero h2 { font-size: 26px; line-height: 1.3; margin-bottom: 12px; }
.hero p { font-size: 15px; color: #222; margin-bottom: 12px; }.meta { font-size: 13px; color: #555; }

/* グリッド */
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: #fff;
  border: 1px solid #e0ddd8;
}

.card-img img { width: 100%; height: 160px; object-fit: cover; }

.card-body { padding: 14px; }

.card-cat {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #b8860b;
  margin-bottom: 6px;
}

.card-body h3 { font-size: 14px; line-height: 1.4; margin-bottom: 6px; }
.card-body p { font-size: 13px; color: #333; margin-bottom: 8px; }
.card-meta { font-size: 11px; color: #999; }

/* 記事個別 */
.article-header { margin-bottom: 20px; }
.article-cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #b8860b;
  margin-bottom: 10px;
}
.article-header h1 { font-size: 28px; line-height: 1.3; margin-bottom: 10px; }
.article-meta { font-size: 12px; color: #999; margin-bottom: 20px; }
.article-eyecatch { margin-bottom: 24px; }
.article-eyecatch img { width: 100%; max-height: 460px; object-fit: cover; }
.article-body { font-size: 16px; line-height: 1.9; }
.article-body h2 { font-size: 20px; margin: 32px 0 12px; }
.article-body h3 { font-size: 17px; margin: 24px 0 10px; }
.article-body p { margin-bottom: 18px; }
.article-body img { margin: 20px auto; }
.article-tags { margin-top: 32px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  padding: 4px 12px;
  border: 1px solid #ccc;
  font-size: 11px;
  color: #666;
}
.tag:hover { background: #111; color: #fff; border-color: #111; }

/* サイドバー */
.sidebar-widget { margin-bottom: 28px; }
.widget-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-bottom: 2px solid #b8860b;
  padding-bottom: 6px;
  margin-bottom: 14px;
}
.category-list { list-style: none; }
.category-list li { border-bottom: 1px solid #e0ddd8; }
.category-list li a {
  display: block;
  padding: 8px 0;
  font-size: 13px;
  color: #333;
}
.category-list li a:hover { color: #b8860b; padding-left: 6px; transition: all 0.15s; }
.sidebar-post { padding: 10px 0; border-bottom: 1px solid #e0ddd8; }
.sidebar-post a { font-size: 13px; font-weight: 500; display: block; margin-bottom: 3px; }
.sidebar-post span { font-size: 11px; color: #999; }

/* フッター */
.site-footer {
  background: #111;
  color: #aaa;
  text-align: center;
  padding: 32px 20px;
  margin-top: 48px;
}
.footer-logo { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.site-footer p { font-size: 12px; }

/* レスポンシブ */
@media (max-width: 768px) {
  .main-grid { grid-template-columns: 1fr; }
  .grid3 { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}
/* ヒーロー画像 */
.hero-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  margin-bottom: 16px;
  cursor: pointer;
}

/* リスト形式記事 */
.list-articles {
  margin-top: 24px;
}

.list-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #e0ddd8;
}

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

.list-thumb img {
  width: 120px;
  height: 80px;
  object-fit: cover;
}

.list-body h4 {
  font-size: 15px;
  line-height: 1.4;
  margin-bottom: 6px;
}
/* サイドバー注目記事 */
.sidebar-post {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e0ddd8;
}

.sidebar-post:last-child {
  border-bottom: none;
}

.sidebar-thumb img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin-bottom: 8px;
  cursor: pointer;
}

.sidebar-info a {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  display: block;
  margin-bottom: 4px;
}

.sidebar-info span {
  font-size: 11px;
  color: #999;
}
/* カテゴリページ */
.category-header {
  display: none;
}
/* 広告レイアウト */
.ad-top {
  background: #f0ede8;
  padding: 10px 20px;
  border-bottom: 0.5px solid #e0ddd8;
  max-width: 1180px;
  margin: 0 auto;
}

.ad-banner {
  display: block;
  width: 100%;
  height: 135px;
  background: #e0ddd8;
  border: 1px dashed #aaa;
  line-height: 135px;
  font-size: 12px;
  color: #999;
  text-align: center;
}

.page-wrapper {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
}

.ad-left, .ad-right {
  width: 180px;
  flex-shrink: 0;
  padding: 24px 10px;
}

.ad-skyscraper {
  width: 160px;
  height: 600px;
  background: #e0ddd8;
  border: 1px dashed #aaa;
  font-size: 12px;
  color: #999;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: sticky;
  top: 80px;
}

.page-content {
  flex: 1;
  min-width: 0;
  max-width: 1180px;
}

/* レスポンシブ：スマホでは広告非表示 */
@media (max-width: 1100px) {
  .ad-left, .ad-right {
    display: none;
  }
  .ad-top {
    display: none;
  }
}