/* 施工事例詳細：枚数可変対応（main.css の /4 固定を上書き） */

/* サムネイル帯ラッパー（5枚以上） */
.lb_swiperWorksThumbsOuter {
	position: relative;
	width: 100%;
}

/* SP：サムネイルを正方形に（横並び4枚） */
@media screen and (max-width: 767px) {
	.lb_swiperWorksThumbs {
		height: auto !important;
		max-height: none !important;
	}

	.swiper.lb_swiperWorksThumbs .swiper-slide {
		height: auto;
	}

	.swiper.lb_swiperWorksThumbs .swiper-slide::before {
		padding-top: 100%;
	}

	/* 横スクロール用フェード */
	.lb_swiperWorksThumbs_fade--start {
		top: 0;
		left: 0;
		width: 28px;
		height: 100%;
		background: linear-gradient(to right, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
	}

	.lb_swiperWorksThumbs_fade--end {
		top: 0;
		right: 0;
		width: 28px;
		height: 100%;
		background: linear-gradient(to left, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
	}

	.lb_swiperWorksThumbs_nav--prev {
		top: 50%;
		left: 2px;
		transform: translateY(-50%);
	}

	.lb_swiperWorksThumbs_nav--next {
		top: 50%;
		right: 2px;
		transform: translateY(-50%);
	}

	.lb_swiperWorksThumbs_navIconH {
		display: inline-block;
	}

	.lb_swiperWorksThumbs_navIconV {
		display: none;
	}
}

@media screen and (min-width: 768px) {
	.lb_swiperWorksWrapper {
		flex-wrap: nowrap;
		align-items: flex-start;
	}

	.lb_swiperWorksThumbsOuter {
		width: 20%;
		align-self: flex-start;
		overflow: hidden;
	}

	.lb_swiperWorksThumbsOuter .lb_swiperWorksThumbs {
		width: 100% !important;
		height: 100%;
		max-height: 100%;
		overflow: hidden;
	}

	.swiper.lb_swiperWorksThumbs .swiper-slide {
		width: 100% !important;
		height: calc((100% - (min(var(--works-slide-count, 4), 4) - 1) * 5px) / min(var(--works-slide-count, 4), 4));
	}

	.swiper.lb_swiperWorksThumbs .swiper-slide::before {
		display: none;
		padding-top: 0;
		content: none;
	}

	/* 縦スクロール用フェード */
	.lb_swiperWorksThumbs_fade--start {
		top: 0;
		left: 0;
		width: 100%;
		height: 28px;
		background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
	}

	.lb_swiperWorksThumbs_fade--end {
		bottom: 0;
		left: 0;
		width: 100%;
		height: 28px;
		background: linear-gradient(to top, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
	}

	.lb_swiperWorksThumbs_nav--prev {
		top: 2px;
		left: 50%;
		transform: translateX(-50%);
	}

	.lb_swiperWorksThumbs_nav--next {
		bottom: 2px;
		left: 50%;
		transform: translateX(-50%);
	}

	.lb_swiperWorksThumbs_navIconH {
		display: none;
	}

	.lb_swiperWorksThumbs_navIconV {
		display: inline-block;
	}

	.lb_swiperWorksThumbs_navIconV--up {
		transform: rotate(180deg);
	}
}

/* フェード・矢印共通 */
.lb_swiperWorksThumbs_fade {
	position: absolute;
	z-index: 2;
	pointer-events: none;
	transition: opacity 0.2s;
}

.lb_swiperWorksThumbsOuter.is-at-start .lb_swiperWorksThumbs_fade--start {
	opacity: 0;
}

.lb_swiperWorksThumbsOuter.is-at-end .lb_swiperWorksThumbs_fade--end {
	opacity: 0;
}

.lb_swiperWorksThumbs_nav {
	position: absolute;
	z-index: 3;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	padding: 0;
	font-size: 12px;
	color: #333;
	cursor: pointer;
	background: rgba(255, 255, 255, 0.92);
	border: 1px solid rgba(0, 0, 0, 0.08);
	border-radius: 50%;
	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
	transition: opacity 0.2s;
}

.lb_swiperWorksThumbs_nav:hover {
	opacity: 0.85;
}

.lb_swiperWorksThumbsOuter.is-at-start .lb_swiperWorksThumbs_nav--prev {
	opacity: 0;
	pointer-events: none;
}

.lb_swiperWorksThumbsOuter.is-at-end .lb_swiperWorksThumbs_nav--next {
	opacity: 0;
	pointer-events: none;
}