/* =============================================================================
   ポートフォリオ アーカイブページ スタイル（note.com風）
   ============================================================================= */

/* ページヘッダー */
.portfolio-archive-header {
	padding: 24px 0 32px;
	text-align: center;
	background: var(--color-bg-white);
}
.portfolio-archive-header .en-label {
	display: block;
	font-family: var(--font-family-heading);
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 3px;
	color: var(--color-primary);
	margin-bottom: 12px;
}
.portfolio-archive-title {
	font-size: 36px;
	font-weight: 700;
	color: var(--color-heading);
	margin-bottom: 16px;
}
.portfolio-archive-desc {
	font-size: 16px;
	color: var(--color-sub);
	line-height: 1.8;
	margin-bottom: 28px;
}

/* 検索バー */
.portfolio-search {
	position: relative;
	max-width: 520px;
	margin: 0 auto;
}
.portfolio-search .portfolio-search-icon {
	position: absolute;
	left: 18px;
	top: 50%;
	transform: translateY(-50%);
	width: 18px;
	height: 18px;
	color: var(--color-sub);
	pointer-events: none;
	z-index: 1;
}
.portfolio-search input[type="text"].portfolio-search-input {
	width: 100%;
	padding: 14px 16px 14px 48px !important;
	box-sizing: border-box;
	border: 1px solid var(--color-border);
	border-radius: 50px;
	font-size: 15px;
	font-family: var(--font-family-base);
	color: var(--color-body);
	background: var(--color-bg-gray);
	outline: none;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
	margin: 0;
	height: auto;
	line-height: normal;
}
.portfolio-search input[type="text"].portfolio-search-input::placeholder {
	color: var(--color-sub);
}
.portfolio-search input[type="text"].portfolio-search-input:focus {
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.1);
	background: var(--color-bg-white);
}

/* カテゴリフィルター */
.portfolio-filter {
	padding: 0 0 32px;
	background: var(--color-bg-white);
}
.portfolio-filter-list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
}
.portfolio-filter-item {
	display: inline-block;
	padding: 8px 20px;
	border-radius: 50px;
	font-size: 14px;
	font-weight: 500;
	color: var(--color-body);
	background: var(--color-bg-gray);
	border: 1px solid var(--color-border);
	transition: all var(--transition-base);
	text-decoration: none;
}
.portfolio-filter-item:hover {
	color: var(--color-primary);
	border-color: var(--color-primary);
	background: #EBF4FF;
}
.portfolio-filter-item.is-active {
	color: var(--color-white);
	background: var(--color-primary);
	border-color: var(--color-primary);
}

/* グリッド */
.portfolio-grid-section {
	padding: 40px 0 100px;
	background: var(--color-bg-gray);
}
.portfolio-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 28px;
}

/* featured固定: デフォルト表示時のみ先頭に表示 */
.portfolio-card[data-featured="1"] {
	order: -1;
}
/* フィルター/検索中はfeatured固定を解除 */
.portfolio-grid.is-filtering .portfolio-card[data-featured="1"] {
	order: 0;
}

/* ========== カード（note.com風: 画像上 + テキスト下） ========== */
.portfolio-card {
	display: flex;
	flex-direction: column;
	background: var(--color-bg-white);
	border-radius: 12px;
	overflow: hidden;
	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.portfolio-card:hover {
	transform: translateY(-3px);
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

/* カード画像エリア */
.portfolio-card-img-link {
	display: block;
	text-decoration: none;
}
.portfolio-card-img {
	position: relative;
	aspect-ratio: 16 / 10;
	overflow: hidden;
}
.portfolio-card-thumb {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}
.portfolio-card:hover .portfolio-card-thumb {
	transform: scale(1.05);
}
.portfolio-card-placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
}
.portfolio-card-label {
	position: absolute;
	top: 12px;
	left: 12px;
	padding: 4px 12px;
	border-radius: 4px;
	font-size: 12px;
	font-weight: 600;
	color: var(--color-white);
	background: rgba(0, 0, 0, 0.55);
	backdrop-filter: blur(4px);
}

/* カード本文エリア */
.portfolio-card-body {
	display: flex;
	flex-direction: column;
	flex: 1;
	padding: 16px 20px 16px;
}
.portfolio-card-title-link {
	text-decoration: none;
	color: inherit;
}
.portfolio-card-title-link:hover {
	color: var(--color-primary);
}
.portfolio-card-title {
	font-size: 16px;
	font-weight: 700;
	color: var(--color-heading);
	line-height: 1.5;
	margin-bottom: 6px;
}
.portfolio-card-subtitle {
	font-size: 13px;
	font-weight: 500;
	color: var(--color-sub);
}
.portfolio-card-excerpt {
	font-size: 13px;
	color: var(--color-body);
	line-height: 1.7;
	margin-bottom: 10px;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

/* 技術タグ */
.portfolio-card-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	margin-bottom: 12px;
}
.portfolio-card-tag {
	padding: 2px 8px;
	border-radius: 4px;
	font-size: 11px;
	font-weight: 500;
	color: var(--color-primary);
	background: #EBF4FF;
}

/* カードフッター（開発時間 + いいね + 閲覧数） */
.portfolio-card-footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-top: auto;
	padding-top: 12px;
	border-top: 1px solid var(--color-border-light);
}
.portfolio-card-time {
	font-size: 12px;
	color: var(--color-sub);
}
.portfolio-card-stats {
	display: flex;
	align-items: center;
	gap: 12px;
}

/* いいねボタン */
.portfolio-like-btn {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 4px 8px;
	border: none;
	border-radius: 20px;
	background: transparent;
	cursor: pointer;
	font-size: 13px;
	color: var(--color-sub);
	transition: all 0.2s ease;
	line-height: 1;
}
.portfolio-like-btn:hover {
	background: #FFF5F5;
	color: #E53E3E;
}
.portfolio-like-btn.is-liked {
	color: #E53E3E;
}
.portfolio-like-icon {
	width: 18px;
	height: 18px;
	transition: transform 0.2s ease;
}
.portfolio-like-btn.is-liked .portfolio-like-icon {
	fill: #E53E3E;
	stroke: #E53E3E;
}
.portfolio-like-btn:hover .portfolio-like-icon {
	transform: scale(1.15);
}
.portfolio-like-count {
	font-weight: 500;
	min-width: 12px;
	text-align: center;
}

/* 閲覧数 */
.portfolio-view-count {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: 13px;
	color: var(--color-sub);
}
.portfolio-view-icon {
	width: 16px;
	height: 16px;
}

/* 検索結果なし */
.portfolio-no-results {
	text-align: center;
	padding: 60px 20px;
	color: var(--color-sub);
	font-size: 15px;
}

/* ページネーション */
.portfolio-pagination {
	margin-top: 48px;
	text-align: center;
}
.portfolio-pagination .nav-links {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 4px;
}
.portfolio-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 40px;
	height: 40px;
	padding: 0 12px;
	border-radius: 8px;
	font-size: 14px;
	font-weight: 500;
	color: var(--color-body);
	background: var(--color-bg-white);
	border: 1px solid var(--color-border);
	text-decoration: none;
	transition: all var(--transition-base);
}
.portfolio-pagination .page-numbers:hover {
	color: var(--color-primary);
	border-color: var(--color-primary);
}
.portfolio-pagination .page-numbers.current {
	color: var(--color-white);
	background: var(--color-primary);
	border-color: var(--color-primary);
}

/* 空状態 */
.portfolio-empty {
	text-align: center;
	padding: 80px 20px;
	color: var(--color-sub);
	font-size: 16px;
}

/* =============================================================================
   レスポンシブ
   ============================================================================= */
@media (max-width: 1024px) {
	.portfolio-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 20px;
	}
}

@media (max-width: 768px) {
	.portfolio-archive-header {
		padding: 16px 0 20px;
	}
	.portfolio-archive-title {
		font-size: 28px;
	}
	.portfolio-archive-desc {
		font-size: 14px;
	}
	.portfolio-search-input {
		font-size: 14px;
		padding: 12px 14px 12px 42px;
	}
	.portfolio-filter {
		padding: 0 0 20px;
	}
	.portfolio-filter-list {
		justify-content: flex-start;
		overflow-x: auto;
		flex-wrap: nowrap;
		padding-bottom: 8px;
		-webkit-overflow-scrolling: touch;
	}
	.portfolio-filter-item {
		white-space: nowrap;
		flex-shrink: 0;
	}
	.portfolio-grid {
		grid-template-columns: 1fr;
		gap: 16px;
	}
	.portfolio-grid-section {
		padding: 24px 0 60px;
	}
	.portfolio-card-body {
		padding: 14px 16px 14px;
	}
}