/* ===================================================================
   金木犀ポートフォリオ - スタイルシート
   カラーパレット: アンバー / ゴールド / クリーム / ダークブラウン
   =================================================================== */

.kmk-portfolio-wrap {
	--kmk-amber: #b8860b;
	--kmk-gold: #d4af37;
	--kmk-cream: #fdf6ec;
	--kmk-brown: #4a3728;
	--kmk-brown-light: #6b5544;

	max-width: 1200px;
	margin: 0 auto;
	font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
}

/* ---------- フィルターバー ---------- */
.kmk-filter-bar {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: center;
	margin-bottom: 36px;
}

.kmk-filter-btn {
	padding: 8px 22px;
	border: 1.5px solid var(--kmk-gold);
	border-radius: 999px;
	background: transparent;
	color: var(--kmk-brown);
	font-size: 14px;
	cursor: pointer;
	transition: all 0.25s ease;
}

.kmk-filter-btn:hover {
	background: var(--kmk-cream);
}

.kmk-filter-btn.is-active {
	background: linear-gradient(135deg, var(--kmk-gold), var(--kmk-amber));
	color: #fff;
	border-color: var(--kmk-amber);
	box-shadow: 0 2px 8px rgba(184, 134, 11, 0.3);
}

/* ---------- グリッド ---------- */
.kmk-portfolio-grid {
	display: grid;
	gap: 28px;
	grid-template-columns: repeat(3, 1fr);
}

.kmk-cols-1 { grid-template-columns: repeat(1, 1fr); }
.kmk-cols-2 { grid-template-columns: repeat(2, 1fr); }
.kmk-cols-3 { grid-template-columns: repeat(3, 1fr); }
.kmk-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
	.kmk-portfolio-grid {
		grid-template-columns: repeat(2, 1fr) !important;
	}
}

@media (max-width: 560px) {
	.kmk-portfolio-grid {
		grid-template-columns: 1fr !important;
	}
}

/* ---------- カード ---------- */
.kmk-card {
	position: relative;
	border-radius: 16px;
	overflow: hidden;
	background: var(--kmk-cream);
	box-shadow: 0 4px 16px rgba(74, 55, 40, 0.12);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.kmk-card:hover {
	transform: translateY(-6px);
	box-shadow: 0 12px 28px rgba(184, 134, 11, 0.25);
}

.kmk-card.kmk-hidden {
	display: none;
}

.kmk-card-image {
	position: relative;
	width: 100%;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: #f0e6d6;
}

.kmk-card-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.5s ease;
}

.kmk-card:hover .kmk-card-image img {
	transform: scale(1.08);
}

.kmk-no-image {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--kmk-gold);
	font-size: 22px;
	letter-spacing: 0.2em;
	background: linear-gradient(135deg, #f5e9d3, #f0e0bd);
}

/* ---------- ホバーオーバーレイ ---------- */
.kmk-card-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(74, 55, 40, 0.1) 0%, rgba(45, 32, 20, 0.92) 75%);
	opacity: 0;
	transition: opacity 0.35s ease;
	display: flex;
	align-items: flex-end;
}

.kmk-card:hover .kmk-card-overlay,
.kmk-card:focus-within .kmk-card-overlay {
	opacity: 1;
}

.kmk-card-overlay-inner {
	padding: 20px;
	color: #fdf6ec;
	transform: translateY(10px);
	transition: transform 0.35s ease;
}

.kmk-card:hover .kmk-card-overlay-inner {
	transform: translateY(0);
}

.kmk-year {
	display: inline-block;
	font-size: 12px;
	letter-spacing: 0.1em;
	color: var(--kmk-gold);
	margin-bottom: 4px;
}

.kmk-title {
	font-size: 17px;
	margin: 0 0 6px;
	color: #fff;
}

.kmk-client {
	font-size: 13px;
	margin: 0 0 6px;
	color: #e8dcc8;
}

.kmk-excerpt {
	font-size: 12.5px;
	line-height: 1.6;
	margin: 0 0 8px;
	color: #e8dcc8;
}

.kmk-tools {
	font-size: 11.5px;
	margin: 0 0 12px;
	color: #cbb896;
}

.kmk-link-btn {
	display: inline-block;
	padding: 7px 18px;
	border-radius: 999px;
	background: linear-gradient(135deg, var(--kmk-gold), var(--kmk-amber));
	color: #fff !important;
	font-size: 13px;
	text-decoration: none;
	transition: opacity 0.2s ease;
}

.kmk-link-btn:hover {
	opacity: 0.85;
}

/* ---------- カードフッター(常時表示の簡易ラベル) ---------- */
.kmk-card-footer {
	padding: 12px 16px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 8px;
}

.kmk-card-footer-title {
	font-size: 14px;
	color: var(--kmk-brown);
	font-weight: 600;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.kmk-card-footer-tag {
	font-size: 11px;
	color: var(--kmk-brown-light);
	background: #f0e0bd;
	padding: 3px 10px;
	border-radius: 999px;
	white-space: nowrap;
}

.kmk-empty {
	text-align: center;
	color: var(--kmk-brown-light);
	padding: 40px 0;
}