:root {
	--color-bg: #fafaf9;
	--color-text: #1f2937;
	--color-border: #e5e7eb;
	--color-accent: #2563eb;
	font-family: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", sans-serif;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-text);
	line-height: 1.6;
}

.site-header {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	padding: 1rem 1.5rem;
	background: white;
	border-bottom: 1px solid var(--color-border);
}

.site-title {
	font-weight: bold;
	color: var(--color-text);
	text-decoration: none;
}

.site-header nav {
	display: flex;
	gap: 1rem;
}

.site-header nav a {
	color: var(--color-text);
	text-decoration: none;
}

.site-header nav a:hover {
	color: var(--color-accent);
}

main {
	max-width: 960px;
	margin: 0 auto;
	padding: 1.5rem;
}

.error {
	color: #b91c1c;
	background: #fef2f2;
	border: 1px solid #fecaca;
	border-radius: 6px;
	padding: 0.75rem 1rem;
}

.nav-cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 1rem;
	margin-top: 1.5rem;
}

.nav-card {
	display: block;
	padding: 1.25rem;
	background: white;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	text-decoration: none;
	color: var(--color-text);
}

.nav-card:hover {
	border-color: var(--color-accent);
}

.nav-card h2 {
	margin: 0 0 0.5rem;
}

.nav-card p {
	margin: 0;
	color: #6b7280;
}

.link-list {
	list-style: none;
	padding: 0;
	display: grid;
	gap: 0.75rem;
}

.link-list li {
	background: white;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	padding: 1rem;
}

.link-list a {
	font-weight: bold;
	color: var(--color-accent);
}

.link-list p {
	margin: 0.25rem 0 0;
	color: #6b7280;
}

.tag-filter {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 1rem;
}

.tag-chip {
	padding: 0.35rem 0.9rem;
	border-radius: 999px;
	border: 1px solid var(--color-border);
	background: white;
	cursor: pointer;
	font-size: 0.9rem;
}

.tag-chip.active {
	background: var(--color-accent);
	color: white;
	border-color: var(--color-accent);
}

.asset-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 1rem;
}

.asset-card {
	background: white;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	overflow: hidden;
}

.asset-card img {
	width: 100%;
	aspect-ratio: 1 / 1;
	object-fit: cover;
	display: block;
}

.asset-card h3,
.asset-card p,
.asset-card .tags {
	padding: 0 0.75rem;
}

.asset-card h3 {
	margin: 0.5rem 0 0.25rem;
}

.asset-card p {
	margin: 0 0 0.5rem;
	color: #6b7280;
	font-size: 0.9rem;
}

.asset-card .tags {
	padding-bottom: 0.75rem;
	display: flex;
	flex-wrap: wrap;
	gap: 0.25rem;
}

.tag-badge {
	font-size: 0.75rem;
	background: #eef2ff;
	color: #4338ca;
	padding: 0.15rem 0.5rem;
	border-radius: 999px;
}

.manga-entry {
	background: white;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	padding: 1.25rem;
	margin-bottom: 1.5rem;
}

.manga-lang-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.5rem;
	margin-top: 0.75rem;
}

.manga-lang-col h3 {
	margin: 0 0 0.5rem;
	font-size: 0.9rem;
	color: #6b7280;
}

.manga-pages {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0.5rem;
}

.manga-pages img {
	width: 100%;
	border-radius: 4px;
	border: 1px solid var(--color-border);
}

@media (max-width: 640px) {
	.manga-lang-row {
		grid-template-columns: 1fr;
	}
}