.nikasaan-article-gallery {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 10px;
	direction: rtl;
	width: 100%;
	margin: 24px 0;
}

.nikasaan-article-gallery--one {
	grid-template-columns: minmax(0, 1fr);
}

.nikasaan-article-gallery--two {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.nikasaan-article-gallery__item {
	position: relative;
	min-width: 0;
	margin: 0 !important;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: #f2f2f2;
}

.nikasaan-article-gallery__link,
.nikasaan-article-gallery__image {
	display: block !important;
	width: 100% !important;
	height: 100% !important;
}

.nikasaan-article-gallery__image {
	max-width: none !important;
	max-height: none !important;
	object-fit: cover !important;
	transition: transform .25s ease, opacity .25s ease;
}

.nikasaan-article-gallery__link:hover .nikasaan-article-gallery__image {
	transform: scale(1.025);
	opacity: .94;
}

.nikasaan-gallery-lightbox {
	position: fixed;
	inset: 0;
	z-index: 999999;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 56px 72px;
	background: rgba(0, 0, 0, .92);
	opacity: 0;
	visibility: hidden;
	transition: opacity .2s ease, visibility .2s ease;
}

.nikasaan-gallery-lightbox.is-open {
	opacity: 1;
	visibility: visible;
}

.nikasaan-gallery-lightbox__image {
	display: block;
	max-width: 100%;
	max-height: calc(100vh - 112px);
	width: auto;
	height: auto;
	object-fit: contain;
}

.nikasaan-gallery-lightbox__close,
.nikasaan-gallery-lightbox__prev,
.nikasaan-gallery-lightbox__next {
	position: absolute;
	z-index: 2;
	border: 0;
	color: #fff;
	background: rgba(0, 0, 0, .35);
	cursor: pointer;
	font-family: Arial, sans-serif;
	line-height: 1;
}

.nikasaan-gallery-lightbox__close {
	top: 12px;
	right: 16px;
	width: 44px;
	height: 44px;
	font-size: 36px;
	border-radius: 50%;
}

.nikasaan-gallery-lightbox__prev,
.nikasaan-gallery-lightbox__next {
	top: 50%;
	width: 48px;
	height: 64px;
	margin-top: -32px;
	font-size: 42px;
	border-radius: 8px;
}

.nikasaan-gallery-lightbox__prev { left: 12px; }
.nikasaan-gallery-lightbox__next { right: 12px; }
.nikasaan-gallery-lightbox__prev[hidden],
.nikasaan-gallery-lightbox__next[hidden] { display: none; }
body.nikasaan-gallery-lightbox-open { overflow: hidden; }

@media (max-width: 767px) {
	.nikasaan-article-gallery {
		grid-template-columns: minmax(0, 1fr);
		gap: 12px;
	}

	.nikasaan-gallery-lightbox {
		padding: 52px 12px;
	}

	.nikasaan-gallery-lightbox__image {
		max-height: calc(100vh - 104px);
	}

	.nikasaan-gallery-lightbox__prev,
	.nikasaan-gallery-lightbox__next {
		width: 40px;
		height: 52px;
		margin-top: -26px;
		font-size: 34px;
	}
}