/*
Theme Name: MyNews
Theme URI: https://example.com
Description: ニュースサイト向けカスタムWordPressテーマ。ACF・カスタム投稿タイプ対応。
Author: Claude
Version: 1.0.0
License: GPL-2.0-or-later
Text Domain: mynews
*/

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
	--color-primary:   #1a56db;
	--color-secondary: #e02424;
	--color-dark:      #111827;
	--color-gray:      #6b7280;
	--color-light:     #f9fafb;
	--color-border:    #e5e7eb;
	--font-sans:       'Noto Sans JP', sans-serif;
	--radius:          6px;
	--shadow:          0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
}

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

body {
	font-family: var(--font-sans);
	color: var(--color-dark);
	background: #fff;
	line-height: 1.7;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

/* === Layout === */
.site-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.content-area { display: grid; grid-template-columns: 1fr 300px; gap: 48px; padding: 40px 0; }
@media (max-width: 900px) { .content-area { grid-template-columns: 1fr; } }

/* === Header === */
.site-header {
	background: var(--color-dark);
	color: #fff;
	position: sticky;
	top: 0;
	z-index: 100;
	box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.site-header .inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 64px;
}
.site-logo { font-size: 1.5rem; font-weight: 900; color: #fff; letter-spacing: -0.02em; }
.site-logo span { color: var(--color-secondary); }
.site-logo:hover { text-decoration: none; }

.primary-nav ul { list-style: none; display: flex; gap: 24px; }
.primary-nav a { color: #d1d5db; font-size: .95rem; transition: color .2s; }
.primary-nav a:hover { color: #fff; text-decoration: none; }

/* === Breaking News Ticker === */
.breaking-news {
	background: var(--color-secondary);
	color: #fff;
	padding: 8px 0;
	overflow: hidden;
}
.breaking-news .inner { display: flex; align-items: center; gap: 16px; }
.breaking-label {
	background: #fff;
	color: var(--color-secondary);
	font-size: .75rem;
	font-weight: 700;
	padding: 2px 10px;
	border-radius: 2px;
	white-space: nowrap;
}
.ticker-wrap { overflow: hidden; flex: 1; }
.ticker-content { display: flex; gap: 48px; animation: ticker 30s linear infinite; white-space: nowrap; font-size: .9rem; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker-content a { color: #fff; }

/* === Hero (top featured) === */
.hero-section { padding: 32px 0 0; }
.hero-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 4px; border-radius: var(--radius); overflow: hidden; }
@media (max-width: 768px) { .hero-grid { grid-template-columns: 1fr; } }

.hero-main { position: relative; overflow: hidden; }
.hero-main img { width: 100%; height: 420px; object-fit: cover; }
.hero-main .overlay {
	position: absolute; inset: 0;
	background: linear-gradient(to top, rgba(0,0,0,.8) 0%, transparent 60%);
}
.hero-main .meta {
	position: absolute; bottom: 0; left: 0; right: 0; padding: 24px;
	color: #fff;
}
.hero-main .category-badge {
	background: var(--color-secondary);
	color: #fff;
	font-size: .7rem;
	font-weight: 700;
	padding: 3px 10px;
	border-radius: 2px;
	text-transform: uppercase;
	letter-spacing: .05em;
	display: inline-block;
	margin-bottom: 8px;
}
.hero-main h2 { font-size: 1.5rem; line-height: 1.3; color: #fff; }
.hero-main h2 a { color: #fff; }
.hero-main .date { font-size: .8rem; color: #d1d5db; margin-top: 8px; }

.hero-sub { display: flex; flex-direction: column; gap: 4px; }
.hero-sub-item { position: relative; overflow: hidden; flex: 1; }
.hero-sub-item img { width: 100%; height: 100%; object-fit: cover; min-height: 140px; }
.hero-sub-item .overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.75) 0%, transparent 60%); }
.hero-sub-item .meta { position: absolute; bottom: 0; left: 0; right: 0; padding: 14px 16px; color: #fff; }
.hero-sub-item h3 { font-size: .95rem; line-height: 1.3; }
.hero-sub-item h3 a { color: #fff; }

/* === Section Title === */
.section-title {
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--color-dark);
	border-left: 4px solid var(--color-primary);
	padding-left: 12px;
	margin-bottom: 20px;
}

/* === News Card Grid === */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .news-grid { grid-template-columns: 1fr; } }

.news-card {
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow);
	background: #fff;
	transition: transform .2s, box-shadow .2s;
}
.news-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,.12); }

.news-card .thumb { overflow: hidden; aspect-ratio: 16/9; background: var(--color-light); }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.news-card:hover .thumb img { transform: scale(1.04); }

.news-card .body { padding: 16px; }
.news-card .category { font-size: .7rem; font-weight: 700; color: var(--color-primary); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.news-card h3 { font-size: .95rem; line-height: 1.4; margin-bottom: 8px; }
.news-card h3 a { color: var(--color-dark); }
.news-card h3 a:hover { color: var(--color-primary); text-decoration: none; }
.news-card .excerpt { font-size: .82rem; color: var(--color-gray); margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .date { font-size: .75rem; color: var(--color-gray); }

/* === List Style Card === */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-list-item {
	display: flex;
	gap: 14px;
	padding: 14px 0;
	border-bottom: 1px solid var(--color-border);
}
.news-list-item:first-child { border-top: 1px solid var(--color-border); }
.news-list-item .thumb { width: 90px; height: 65px; flex-shrink: 0; border-radius: 4px; overflow: hidden; background: var(--color-light); }
.news-list-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-list-item .info .category { font-size: .7rem; font-weight: 700; color: var(--color-primary); margin-bottom: 4px; }
.news-list-item .info h4 { font-size: .9rem; line-height: 1.35; margin-bottom: 4px; }
.news-list-item .info h4 a { color: var(--color-dark); }
.news-list-item .info h4 a:hover { color: var(--color-primary); text-decoration: none; }
.news-list-item .info .date { font-size: .75rem; color: var(--color-gray); }

/* === Sidebar === */
.sidebar { }
.sidebar-widget { margin-bottom: 32px; }
.sidebar-widget .section-title { font-size: 1rem; }

.ranking-item {
	display: flex;
	gap: 12px;
	padding: 10px 0;
	border-bottom: 1px solid var(--color-border);
	align-items: flex-start;
}
.ranking-item .rank {
	font-size: 1.1rem;
	font-weight: 900;
	color: var(--color-border);
	width: 24px;
	flex-shrink: 0;
	line-height: 1;
	padding-top: 2px;
}
.ranking-item:nth-child(1) .rank { color: #f59e0b; }
.ranking-item:nth-child(2) .rank { color: #9ca3af; }
.ranking-item:nth-child(3) .rank { color: #b45309; }
.ranking-item h4 { font-size: .85rem; line-height: 1.35; }
.ranking-item h4 a { color: var(--color-dark); }
.ranking-item h4 a:hover { color: var(--color-primary); text-decoration: none; }
.ranking-item .date { font-size: .72rem; color: var(--color-gray); }

/* === Single Article === */
.article-header { margin-bottom: 32px; }
.article-header .category-badge {
	background: var(--color-primary);
	color: #fff;
	font-size: .75rem;
	font-weight: 700;
	padding: 3px 12px;
	border-radius: 2px;
	display: inline-block;
	margin-bottom: 12px;
}
.article-header h1 { font-size: 1.8rem; line-height: 1.35; margin-bottom: 12px; }
.article-meta { display: flex; align-items: center; gap: 16px; color: var(--color-gray); font-size: .85rem; }
.article-meta .author { display: flex; align-items: center; gap: 6px; }
.article-hero-img { margin-bottom: 32px; border-radius: var(--radius); overflow: hidden; }
.article-hero-img img { width: 100%; max-height: 480px; object-fit: cover; }
.article-hero-img figcaption { font-size: .8rem; color: var(--color-gray); padding: 6px 0; }

.article-body { font-size: 1rem; line-height: 1.85; }
.article-body h2 { font-size: 1.3rem; border-left: 4px solid var(--color-primary); padding-left: 12px; margin: 32px 0 14px; }
.article-body h3 { font-size: 1.1rem; margin: 24px 0 10px; }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 24px; }
.article-body blockquote { border-left: 4px solid var(--color-border); padding: 12px 20px; color: var(--color-gray); margin: 24px 0; font-style: italic; background: var(--color-light); }

/* === Tags === */
.article-tags { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--color-border); }
.article-tags span { font-size: .85rem; font-weight: 600; margin-right: 8px; }
.tag-link { display: inline-block; background: var(--color-light); border: 1px solid var(--color-border); color: var(--color-gray); font-size: .8rem; padding: 3px 12px; border-radius: 20px; margin: 0 4px 6px 0; }
.tag-link:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); text-decoration: none; }

/* === Share Buttons === */
.share-buttons { display: flex; gap: 10px; margin-top: 24px; }
.share-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 18px;
	border-radius: 4px;
	font-size: .85rem;
	font-weight: 600;
	cursor: pointer;
	border: none;
	color: #fff;
}
.share-btn.x     { background: #000; }
.share-btn.line  { background: #06c755; }
.share-btn.fb    { background: #1877f2; }
.share-btn.copy  { background: var(--color-gray); }

/* === Related Articles === */
.related-articles { margin-top: 48px; padding-top: 32px; border-top: 2px solid var(--color-border); }

/* === Footer === */
.site-footer { background: var(--color-dark); color: #9ca3af; margin-top: 64px; }
.site-footer .top { padding: 48px 0; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
@media (max-width: 768px) { .site-footer .top { grid-template-columns: 1fr 1fr; } }
.footer-brand .logo { font-size: 1.3rem; font-weight: 900; color: #fff; }
.footer-brand .logo span { color: var(--color-secondary); }
.footer-brand p { font-size: .85rem; margin-top: 12px; line-height: 1.6; }
.footer-heading { font-size: .9rem; font-weight: 700; color: #e5e7eb; margin-bottom: 14px; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: .85rem; color: #9ca3af; transition: color .2s; }
.footer-links a:hover { color: #fff; text-decoration: none; }
.site-footer .bottom { border-top: 1px solid #374151; padding: 16px 0; text-align: center; font-size: .8rem; }

/* === Utilities === */
.btn {
	display: inline-block;
	background: var(--color-primary);
	color: #fff;
	padding: 8px 24px;
	border-radius: var(--radius);
	font-size: .9rem;
	font-weight: 600;
	transition: background .2s;
}
.btn:hover { background: #1e40af; text-decoration: none; }
.btn-outline {
	background: transparent;
	color: var(--color-primary);
	border: 1px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }

.view-more { text-align: center; margin-top: 28px; }
.section-wrap { padding: 48px 0; }
.section-wrap + .section-wrap { border-top: 1px solid var(--color-border); }

/* === Pagination === */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 40px; }
.pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	width: 40px; height: 40px; border-radius: var(--radius);
	border: 1px solid var(--color-border); font-size: .9rem; color: var(--color-dark);
}
.pagination .page-numbers.current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination .page-numbers:hover:not(.current) { background: var(--color-light); text-decoration: none; }