/* ========================================
   post Archive Block
======================================== */

.lp-post-archive {
	margin-bottom: 64px;
}

/* リスト */
.lp-post-archive__list {
	display: flex;
	flex-wrap: wrap;
	gap: 54px 36px;
	list-style: none;
	margin: 0;
	padding: 0;
}

/* 列数指定 */
.lp-post-archive__list--col-1 .lp-post-archive__item {
	width: 100%;
}

.lp-post-archive__list--col-2 .lp-post-archive__item {
	width: calc((100% - 36px * 1) / 2);
}

.lp-post-archive__list--col-3 .lp-post-archive__item {
	width: calc((100% - 36px * 2) / 3);
}

.lp-post-archive__list--col-4 .lp-post-archive__item {
	width: calc((100% - 36px * 3) / 4);
}

/* アイテム */
.lp-post-archive__item {
	/* width は上記で指定 */
}

.lp-post-archive__link {
	display: flex;
	flex-direction: column;
	gap: 16px;
	text-decoration: none;
}

/* サムネイル */
.lp-post-archive__thumb {
	border-radius: 4px;
	overflow: hidden;
	transition: opacity 0.3s;
}

.lp-post-archive__thumb:hover {
	opacity: 0.75;
}

.lp-post-archive__thumb img {
	width: 100%;
	height: auto;
	display: block;
}

/* 日付 */
.lp-post-archive__date {
	font-size: 18px;
	font-weight: 700;
	line-height: 1;
	color: var(--key-color);
}

/* タイトル */
.lp-post-archive__title {
	font-size: 16px;
	font-weight: 500;
	letter-spacing: 0.05em;
	line-height: 1.5;
	color: #5d5d5d;
}

.lp-post-archive__title:hover {
	text-decoration: underline;
}

/* Load More ボタン */
.lp-post-archive__footer {
	margin-top: 64px;
	text-align: center;
}

.lp-post-archive__load-more {
	display: inline-flex;
	justify-content: center;
	align-items: center;
	min-width: 200px;
	padding: 16px 48px;
	font-size: 16px;
	font-weight: 700;
	color: #fff;
	background-color: var(--key-color);
	border: 1px solid var(--key-color);
	border-radius: 4px;
	cursor: pointer;
	transition: .3s;
}

.lp-post-archive__load-more:hover {
	color: var(--key-color);
	background: #fff;
}

.lp-post-archive__load-more:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.lp-post-archive__load-more.is-loading::after {
	content: '...';
	animation: loading 1.5s infinite;
}

@keyframes loading {
	0%, 20% { content: '.'; }
	40% { content: '..'; }
	60%, 100% { content: '...'; }
}

/* ========================================
   レスポンシブ
======================================== */

@media screen and (max-width: 768px) {
	.lp-post-archive__list {
		gap: 36px 24px;
	}
	
	/* SP列数指定 */
	.lp-post-archive__list--col-sp-1 .lp-post-archive__item {
		width: 100%;
	}
	
	.lp-post-archive__list--col-sp-2 .lp-post-archive__item {
		width: calc((100% - 24px * 1) / 2);
	}
	
	.lp-post-archive__list--col-sp-3 .lp-post-archive__item {
		width: calc((100% - 24px * 2) / 3);
	}
	
	.lp-post-archive__date {
		font-size: 12px;
	}
	
	.lp-post-archive__title {
		font-size: 14px;
	}
	
	.lp-post-archive__footer {
		margin-top: 48px;
	}
	
	.lp-post-archive__load-more {
		min-width: 160px;
		padding: 12px 32px;
		font-size: 14px;
	}
}

/* ========================================
   エディタ用プレースホルダー
======================================== */

.lp-post-archive__placeholder {
	padding: 24px;
	border: 2px dashed #ccc;
	text-align: center;
	font-size: 14px;
	color: #666;
}