.vb-popup-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, .5);
	z-index: 1000;
	justify-content: center;
	align-items: center;
}
.vb-popup-overlay.is-open {
	display: flex;
}

/*=======================================================
.c-lightbox (column detail page)
=======================================================*/
.c-lightbox {
	position: fixed;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%, -50%);
			transform: translate(-50%, -50%);
	width: 80%;
	min-width: 280px;
	max-width: 300px;
	aspect-ratio: 320/500;
	opacity: 1;
	visibility: visible;
	z-index: 10004;
}

.c-lightbox__close {
	position: absolute;
	top: -17px;
	right: -17px;
	width: 34px;
	height: 34px;
	background: url(../../img/img_lightbox_close.svg) center center no-repeat;
	background-size: contain;
	cursor: pointer;
	z-index: 1;
}

.c-lightbox__content {
	display: block;
	width: 100%;
	height: 100%;
	background: url(../../img/img_lightbox_sp.svg) center center no-repeat;
	background-size: contain;
}

@media screen and (min-width: 768px) {
	.c-lightbox {
		aspect-ratio: 460/315;
		width: 60%;
		min-width: 600px;
		max-width: 800px;
	}

	.c-lightbox__close {
		top: -20px;
		right: -20px;
		width: 40px;
		height: 40px;
	}

	.c-lightbox__content {
		background-image: url(../../img/img_lightbox_pc.svg);
	}
}