@charset "UTF-8";
/* contents */
.contents {
	overflow: hidden;
	font-family: "Noto Sans JP", メイリオ, Meiryo, "ヒラギノ角ゴ Pro W3", "HIragino Kaku Gothic Pro W3", "HIragino Kaku Gothic Pro", Osaka, "ＭＳ Ｐゴシック", "MS P Gothic", sans-serif;
	padding-bottom: 160px;
}

.container {
	max-width: 900px;
	margin-inline: auto;
	padding: 0 min(30px, calc(30 / 960 * 100vw));
}
@media screen and (max-width: 1600px) {
	.container {
		max-width: 600px;
	}
}
@media screen and (max-width: 767px) {
	.container {
		padding: 0 calc(2.4 * var(--base-unit));
	}
	.contents {
		padding-bottom: calc(8 * var(--base-unit));
	}
}

/* mv */
.mv {
	position: relative;
	padding: 100px 0 70px;
}
.mv img {
	display: block;
	width: 100%;
	height: auto;
}
.mv__img-sp {
	display: none;
}
.mv__img-bg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	z-index: -1;
}
.mv__img-bg-inner {
	position: relative;
}
.mv__img-bg .left {
	position: absolute;
	top: 0;
	left: 0;
	max-width: 450px;
}
.mv__img-bg .right {
	position: absolute;
	top: 0;
	right: 0;
	max-width: 650px;
}

.mv__img-txt {
	width: 700px;
	margin: 0 auto;
}
@media screen and (max-width: 1600px) {
	.mv {
		padding: 80px 0 30px;
	}
	.mv__img-txt {
		width: 540px;
	}
	.mv__img-bg .left {
		max-width: 350px;
	}
	.mv__img-bg .right {
		max-width: 500px;
	}
}
@media screen and (max-width: 767px) {
	.mv {
		margin-bottom: calc(-5 * var(--base-unit));
		padding: 0;
	}
	.mv__img-sp {
		display: block;
	}
	.mv__img-txt,
	.mv__img-bg {
		display: none;
	}
}

/* article-card-list */
.article-card-list {
	display: grid;
	row-gap: 100px;
}
@media screen and (max-width: 1600px) {
	.article-card-list {
		row-gap: 80px;
	}
}
@media screen and (max-width: 767px) {
	.article-card-list {
		grid-template-columns: 1fr;
		column-gap: 0;
		row-gap: calc(6 * var(--base-unit));
	}
}

/* article-card */
.article-card {
	display: grid;
	grid-template-columns: 39.44% 1fr;
	grid-template-rows: auto;
	box-shadow: 0 0 6px rgba(0, 0, 0, 0.25);
	background-color: #fff;
}
.article-card.article-card--reverse {
	grid-template-columns: 1fr 39.44%;
}
@media screen and (max-width: 767px) {
	.article-card,
	.article-card.article-card--reverse {
			grid-template-columns: 1fr;
	}
}
/* article-card__thumbnail */
.article-card__thumbnail {
	order: 1;
}
.article-card__thumbnail img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}
/* article-card__body */
.article-card__body { 
	display: inline-grid;
	padding: 55px 45px 30px 35px;
	order: 2;
	height: 100%;
	box-sizing: border-box;
}
.article-card__number {
	color: #E60012;
	font-size: 1.375rem;
	font-weight: 700;
	line-height: 1.5;
	font-family: "Noto Serif", serif;
	border-bottom: 1px solid currentColor;
}
.article-card__title {
	font-size: 1.375rem;
	font-weight: 700;
	line-height: 1.7;
	margin-top: 0.3em;
}
.article-card__link {
	align-self: end;
	justify-self: end;
	border: 1px solid #757575;
	border-radius: 35px;
	box-shadow: 0 2px 1px rgba(0, 0, 0, 0.17);
	box-sizing: border-box;
	color: #757575;
	font-size: 1.125rem;
	font-weight: 500;
	padding: 9px 44px 11px;
	max-width: 180px;
	margin-top: 30px;
	transition: color 0.3s, background-color 0.3s;
}
@media screen and (min-width: 768px) {
	.article-card__link:hover {
		color: #fff;
		background-color: #757575;
	}
	.article-card--reverse .article-card__body {
			order: 1;
			padding: 55px 35px 30px 45px;
	}
}
@media screen and (max-width: 1600px) {
	.article-card__body { 
		padding: 35px 30px 20px 25px;
	}
	.article-card--reverse .article-card__body {
		padding: 35px 25px 20px 30px;
	}
	.article-card__number {
		font-size: 0.91rem;
	}
	.article-card__title {
		font-size: 0.91rem;
	}
	.article-card__link {
		font-size: 0.7rem;
		max-width: 150px;
		padding: 7px 25px 8px;
		margin-top: 10px;
	}
}
@media screen and (max-width: 767px) {
	.article-card__body,
	.article-card--reverse .article-card__body {
		padding: calc(2.4 * var(--base-unit)) calc(2 * var(--base-unit));
	}
	.article-card__number {
		font-size: calc(2 * var(--base-unit));
	}
	.article-card__title {
		font-size: calc(1.8 * var(--base-unit));
	}
	.article-card__link {
		border-radius: calc(3.5 * var(--base-unit));
		font-size: calc(1.6 * var(--base-unit));
		padding: calc(0.8 * var(--base-unit)) calc(3.5 * var(--base-unit)) calc(0.9 * var(--base-unit));
		max-width: calc(18 * var(--base-unit));
		margin-top: calc(2 * var(--base-unit));
	}
}

/* 個別記事カード指定 */
@media screen and (min-width: 768px) {
	/* vol.01 */
	.article-card-item01 .article-card__thumbnail img {
		object-position: right;
	}
	/* vol.02 */
	.article-card-item02 .article-card__title {
		font-size: 1.3rem;
		margin-top: 0.4em;
	}
	/* vol.03 */
	
	/* vol.04 */
	
	/* vol.05 */
	
	/* vol.06 */
	
}
@media screen and (min-width: 768px) and (max-width: 1600px) {
		/* vol.02 */
		.article-card-item02 .article-card__title {
			font-size: 0.875rem;
		}
}

/* ---------- bg-decoration-area ---------- */
.bg-decoration-area {
	position: relative;
}
.bg-decoration-left {
	position: absolute;
	top: 600px;
	left: 0;
	background: url(../images/decoration_left.svg) no-repeat center top / contain;
	width: 1272px;
	height: 886px;
	z-index: -1;
}
.bg-decoration-right {
	position: absolute;
	bottom: -580px;
	right: 0;
	background: url(../images/decoration_right.svg) no-repeat center top / contain;
	width: 1272px;
	height: 909px;
	z-index: -1;
}
@media screen and (max-width: 1600px) {
	.bg-decoration-left {
		top: 500px;
		width: 800px;
		height: 600px;
	}
	.bg-decoration-right {
		bottom: -400px;
		width: 850px;
		height: 650px;
	}
}
@media screen and (max-width: 767px) {
	.bg-decoration-left {
		top: calc(102 * var(--base-unit));
		width: calc(50 * var(--base-unit));
		height: calc(40 * var(--base-unit));
	}
	.bg-decoration-right {
		bottom: calc(-17 * var(--base-unit));
		width: calc(50 * var(--base-unit));
		height: calc(42 * var(--base-unit));
	}
}