// サムネイル
.c-postThumb {
	position: relative;
	overflow: hidden;
	vertical-align: middle;
}

.c-postThumb__figure {
	position: relative;
	z-index: 0;
	width: 100%;
	margin: 0;
	padding-top: var(--ark-thumb_ratio);
	overflow: hidden;
	transform: perspective(0);
	backface-visibility: hidden;
}

.c-postThumb__img {
	position: absolute;
	top: 0;
	left: 0;
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transform: scale(1) perspective(0);
	backface-visibility: hidden;
	transition: transform .25s;
}