@charset "UTF-8";

/* ==========================================================================

第三階層　共通

============================================================================ */

/*
シリーズ紹介
-------------------------- */
.explanation-series {
	margin-inline: 10px;
	padding: 20px 10px;
	background: var(--gray_50);
	border: 1px solid #aaa;
}
.explanation-item + .explanation-series {
	/* 「〇〇とは？」と上下に並んだ時 コンテンツ余白削除 */
	margin-top: 0;
	border-top: 0;
}
.explanation-series__title {
	margin-bottom: 20px;
	font-size: clamp(var(--font-size_md), 4.3vw, var(--font-size_lg));
	font-family: var(--font_mincho);
	line-height: 1.3;
	letter-spacing: 2px;
	text-align: center;
}
.explanation-series__title span {
	color: #a7425a;
	font-size: 1.2em;
	line-height: 1.5;
}
.explanation-series__main-list-unit, .explanation-series__simple-list {
	max-width: 600px;
	margin-inline: auto;
}
/* シリーズ紹介 大 */
.explanation-series__main-list-unit {
	margin-bottom: 20px;
	background: var(--white);
}
.explanation-series__main-list-image img {
	width: 100%;
}
.explanation-series__main-list-inner {
	padding: 10px 10px 20px;
}
.explanation-series__main-list-unit-title {
	padding: 0 10px 4px 10px;
	font-size: 1rem;
	border-bottom: 2px solid #aaa;
}
.explanation-series__main-list-unit-text {
	padding: 0 10px 10px;
	font-size: 0.85rem;
	line-height: 1.4;
}
.explanation-series__main-list-unit-text:first-of-type {
	padding-top: 10px;
}
.explanation-series__main-list-unit-text:last-of-type {
	padding-bottom: 0;
}
/* シリーズ紹介 小 */
.explanation-series__simple-list {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 8px 10px;
}
.explanation-series__simple-list-unit {
	display: flex;
	flex-direction: column;
}
.explanation-series__simple-list-image img {
	width: 100%;
}
.explanation-series__simple-list-title {
	display: flex;
	height: 100%;
	padding: 5px;
	font-size: 0.8rem;
	justify-content: center;
	align-items: center;
	text-align: center;
	color: var(--white);
	background: #6a6e7f;
	line-height: 1.2;
}
/* フッターテキスト */
.explanation-series__footer {
	margin: 20px 0 10px;
	padding: 1em;
	background: var(--white);
	font-size: 0.85rem;
}
.explanation-series__footer-text + .explanation-series__footer-text {
	padding-top: 1em;
}
@media screen and (min-width: 768px) {
	.explanation-series__main-list-unit, .explanation-series__simple-list {
		max-width: unset;
	}
	.explanation-series {
		padding: 40px 30px;
	}
	.explanation-series__title {
		line-height: 1.6em;
		font-size: 24px;
	}
	.explanation-series__title span {
		font-size: 28px;
	}
	/* シリーズ紹介 大 */
	.explanation-series__main-list-unit {
		display: grid;
		grid-template-columns: 240px auto;
		margin-bottom: 20px;
		padding: 0;
		border: 2px solid #aaa;
	}
	.explanation-series__main-list-inner {
		font-size: 14px;
		line-height: 1.4;
		padding: 20px 0;
		box-sizing: border-box;
		margin: 0 2%;
	}
	.explanation-series__main-list-image {
		display: flex;
		align-items: center;
	}
	.explanation-series__main-list-image img {
		width: calc(100% - 20px);
		padding: 20px 0 20px 20px;
	}
	.explanation-series__main-list-unit-title {
		padding: 0 0 3px 10px;
		line-height: 1.5;
		letter-spacing: 2px;
		font-size: 1rem;
	}
	.explanation-series__main-list-unit-text {
		padding: 16px 10px 0;
		font-size: 13px;
		line-height: 1.4;
	}
	/* シリーズ紹介 小 */
	.explanation-series__simple-list {
		margin: 20px 0;
		grid-template-columns: repeat(4, 1fr);
	}
	.explanation-series__simple-list-image img {
		border: solid 2px #aaa;
		box-sizing: border-box;
	}
	.explanation-series__simple-list-title {
		background-color: unset;
		font-size: 13px;
		font-weight: bold;
		color: inherit;
	}
}
@media screen and (min-width: 1025px) {
	.explanation-series {
		margin-inline: 0;
	}
	/* シリーズ紹介 大 */
	.explanation-series__title span {
		font-size: 30px;
	}
	.explanation-series__main-list-unit-title {
		font-size: var(--font-size_2md);
	}
	/* シリーズ紹介 小 */
	.explanation-series__simple-list {
		margin: 30px 0;
		padding: 0 8px;
		gap: 20px;
		letter-spacing: -4px;
	}
	.explanation-series__simple-list-unit {
		letter-spacing: normal;
	}
	/* フッターテキスト */
	.explanation-series__footer {
		padding: 30px;
		border: 2px solid #aaa;
		font-size: 0.9em;
	}
}