@charset "utf-8";
/*------------------------------------------------------------
	index
------------------------------------------------------------*/
.content {
	max-width: 103rem;
}
#main .booksSec {
	padding: 18.5rem 0 10rem;
}
#main .booksBox {
	margin-bottom: 11.7rem;
	align-items: flex-end;
}
.booksBg {
	position: absolute;
	top: var(--para);
	left: 0;
	overflow: hidden;
	z-index: -1;
	opacity: 0;
	aspect-ratio: 2391 / 2300;
	transition: opacity 2s ease;
	width: 100%;
}
.booksBg.isShow {
	opacity: 1;
}
.booksBg:after {
	background: url(/img/books/bg01.jpg) no-repeat center top;
	background-size: 100% auto;
	position: absolute;  
	top: -21.3rem;
	right: -5.07rem; 
	left: 22.1rem;
	bottom: 0;
	content: "";
}
#main .tagList {
	padding-bottom: 1.1rem;
	font-size: max(10px,1.3rem);
	letter-spacing: 0.1em;
	flex: 1;
	gap: 1rem 3.2rem;
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
}
#main .tagList li:not(:has(a)) {
	margin-right: 0.5rem;
	font-size: max(10px,1.2rem);
	font-style: italic;
	letter-spacing: 0.05em;
}
#main .tagList .current a {
	color: rgba(0, 0, 0, 0.41);
}
#main .bookList .newsSpan {
	top: -3.4rem;
}
#single {
	padding: 15.1rem 0 7.5rem;
}
#single .rBox {
	padding-top: 0;
	margin-left: 0;
}
#single .lBox {
	padding-left: 11.1rem;
	width: 71.6rem;
	box-sizing: content-box;
	aspect-ratio: 3166 / 2163;
}
#single .booksBg::after { 
	left: -10.8rem;
	right: -10.8rem;
	top: -1.2rem;
	bottom: 0;
	background-image: url(/img/books/detail_bg.jpg);
}
#single .content {
	max-width: 98rem;
	align-items: flex-start;
	position: relative;
}
#single .backLink {
	position: absolute;
	top: 29.5rem;
	left: -17.7rem;
	z-index: 10;
}
#single .comBtnList {
	margin-bottom: 0;
}
#single .lBox .photo {
	width: 41.3rem;
	margin: 0 auto 8.8rem;
}
#single .lBox .photo img {
	border: 1px solid #D8D8D8;
}
#single .booksUl {
	margin-bottom: 10.6rem;
}
#single .booksUl li {
	margin-bottom: 7rem;
	padding: 0 12rem 7rem 0;
	border-bottom: 1px dotted #000000;
}
#single .booksUl li:last-child {
	border: none;
	padding-bottom: 0;
	margin-bottom: 0;
}
#single .booksUl li h3 {
	font-size: 2.4rem;
	font-weight: 400;
	letter-spacing: 0.08em;
	margin-bottom: 1.7rem;
}
#single .booksUl li p {
	font-size: 1.5rem;
	letter-spacing: 0.02em;
	line-height: 2.47;
}
#single .booksUl li .txt {
	font-size: 1.4rem;
	line-height: 2.21;
}
#single .booksUl .bookDl {
	margin-bottom: 4.5rem;
}
@media all and (min-width: 1000px) {
	.headLine01.style1 {
		width: 30rem;
	}
	.headLine01.style1 .en {
		font-size: 7.5rem;
		margin-right: 2.5rem;
	}
	.headLine01 .jp {
		margin-top: 1.4rem;
	}
	#main .bookList {
		padding: 0 0.2rem;
		gap: 7.4rem;
	}
	#main .bookList li {
		width: calc((100% - (7.4rem * 2 + 0.1rem)) / 3);
	}
	
}

@media all and (max-width: 999px) {
	.booksBg {
		aspect-ratio: 1770 / 3566;
	}
	.booksBg::after { 
		top: -3.6rem;
		right: -16.9rem;
		left: -34.1rem;
		background-image: url(/img/books/bg01_sp.jpg);
	}
	#main .booksSec {
		padding: 8.6rem 0 4.6rem;
	}
	#main .booksBox {
		margin-bottom: 7.2rem;
		display: block;
	}
	.headLine01.style1 {
		margin-bottom: 2rem;
		text-align: right;
	}
	.headLine01 .jp {
		-webkit-writing-mode : tb-rl;
		-webkit-writing-mode: vertical-rl;
		writing-mode: tb-rl;
		writing-mode: vertical-rl;
		width: 2rem;
		margin: 1.3rem -0.2rem 0 auto;
		font-size: 1.6rem;
		letter-spacing: 0.55em;
	}
	#main .tagList {
		justify-content: center;
	}
	#main .bookList {
		padding: 0;
		display: flex;
		flex-wrap: wrap;
		gap: 3.2rem 1.7rem;
	}
	#main .bookList li {
		margin: 0;
		width: calc((100% - 1.7rem) / 2);
	}
	#main .bookList .bookPhoto {
		margin-bottom: 0.6rem;
	}
	#main .bookList .ttl {
		margin-bottom: 0.6rem;
		font-size: 1.3rem;
		letter-spacing: 0.06em;
		line-height: 1.6;
	}
	#main .bookDl dt {
		font-size: 1rem;
	}
	#main .bookDl dd {
		font-size: 1rem;
	}
	#single .content {
		display: block;
		padding: 0 4.1rem;
	}
	#single .rBox {
		margin-bottom: 6.3rem;
		width: auto;
		position: static;
		overflow: inherit;
	}
	#single {
		padding: 8.5rem 0 11rem;
		overflow: hidden;
	}
	#single .booksBg::after {
		aspect-ratio: 2776 / 2545;
		left: -36.8rem;
		right: -64.5rem;
		top: -14.9rem;
		bottom: a;
		background-image: url(/img/books/detail_bg_sp.jpg);
	}
	#single .headLine01.style1 {
		margin-bottom: 2.2rem;
	}
	#single .headLine01.style1 .en {
		font-size: 3.1rem;
	}
	#single .backLink {
		margin: 0 0 0 -2rem;
		position: static;
	}
	#single .lBox {
		width: auto;
		padding: 0;
	}
	#single .lBox .photo {
		width: auto;
		margin: 0 0.1rem 1.9rem;
	}
	#single .lBox .photo img {
		width: 100%;
	}
	#single .booksUl li {
		padding: 4rem 0 4rem;
		margin-bottom: 0;
	}
	#single .booksUl li h3 {
		margin-bottom: 0.4rem;
		font-size: 1.6rem;
		letter-spacing: 0.1em;
	}
	#single .bookDl dt {
		font-size: 1.1rem;
	}
	#single .bookDl dd {
		font-size: 1.1rem;
	}
	#single .booksUl li p {
		font-size: 1.2rem;
		letter-spacing: 0;
		line-height: 2.17;
	}
	#single .booksUl .bookDl {
		margin-bottom: 5rem;
	}
	#single .booksUl li .txt {
		font-size: 1.1rem;
		line-height: 2.1;
	}
	#single .booksUl {
		margin-bottom: 6rem;
	}
	#single .snsBox {
		margin-bottom: 5.3rem;
		display: flex;
		gap: 0 2rem;
		align-items: center;
		justify-content: center;
		width: auto;
	}
	#single .snsBox p {
		margin: 0;
		letter-spacing: 0;
		writing-mode: horizontal-tb;
	}
	#single .snsBox .snsList {
		gap: 0 1.2rem;
		margin: 0 0 -0.4rem;
		flex-direction: row;
		width: auto;
		align-items: center;
	}
	#single .snsBox .snsList li {
		width: 1.7rem;
	}
	body:has(#single) #main {
		margin-bottom: 0;
	}
	#single .backLink:not(.jsLink) {
		text-align: center;
		margin: 0;
	}
}

@media (hover: hover) {
	#main .tagList a:hover {
		color: rgba(0, 0, 0, 0.41);
	}
}
#single .rBox .fadeInUp,
#main .booksBox .fadeInUp {
	transition-delay: .5s;
}
#single .lBox .fadeInUp,
#single .backLink .fadeInUp,
#main .bookList .fadeInUp {
	transition-delay: .8s;
}