@charset "UTF-8";

/*========================================================================================
 
	サイトマップ
 
========================================================================================*/

.under #main .list_sitemap_index {
	display: flex;
	flex-wrap: wrap;
	margin-bottom: 5em;
}
.under #main .list_sitemap_index li {
	width: calc(calc(100% - 40px) / 5);
	margin: 0 10px 10px 0;
	line-height: 1.4;
	font-size: 13px;
}
.under #main .list_sitemap_index li:nth-child(5n) {
	margin-right: 0;
}
.under #main .list_sitemap_index li a {
	position: relative;
	display: flex;
	flex-direction: column;
	width: 100%;
	height: 100%;
	justify-content: center;
	align-items: center;
	padding: 1em 5px 1.5em;
	border: 1px solid #e9e9e9;
	box-sizing: border-box;
	text-decoration: none;
	transition: all ease 0.3s;
}
.under #main .list_sitemap_index li a:hover {
	box-shadow: 0px 0px 5px rgb(0 0 0 / 20%);
}
.under #main .list_sitemap_index li a::before {
	content: "";
	position: absolute;
	bottom: 10px;
	left: calc(50% - 3px);
	width: 5px;
	height: 5px;
	border-right: 2px solid #5d5d5d;
	border-bottom: 2px solid #5d5d5d;
	-webkit-transform: rotate(45deg);
	transform: rotate(45deg);
	transition: all ease 0.3s;
}
.under #main .list_sitemap_index li a:hover::before {
	transform: rotate(45deg) translate(2px,2px);
}
.under #main h4.sitemap_h4 {
	margin-bottom: 1em;
}
.under #main .list_sitemap {
	display: flex;
	flex-wrap: wrap;
	margin-bottom: 10px;
}
.under #main .list_sitemap + .list_sitemap {
	margin-top: 20px;
	padding-top: 20px;
	border-top: 1px solid #e9e9e9;
}
.under #main .list_sitemap li {
	margin: 0 20px 10px 0;
	line-height: 1.4;
}
.under #main .list_sitemap li a {
	position: relative;
	display: inline-block;
	padding: 2px 0 2px 16px;
}
.under #main .list_sitemap li a::before {
	content: "";
	position: absolute;
	top: .6em;
	left: 0;
	width: 5px;
	height: 5px;
	border-top: 2px solid #5d5d5d;
	border-right: 2px solid #5d5d5d;
	-webkit-transform: rotate(45deg);
	transform: rotate(45deg);
}
.under #main .list_sitemap.col_3 li {
	width: calc(100% / 3);
	margin: 0;
	font-size: 14px;
}
.under #main .list_sitemap.col_3 li a {
	display: flex;
	width: 100%;
	height: 100%;
	padding: 1em 1em 1em 1.2em;
	border-bottom: 1px solid #d7ecf9;
	box-sizing: border-box;
	text-decoration: none;
}
.under #main .list_sitemap.col_3 li a:hover {
	color: #0645ad;
}
.under #main .list_sitemap.col_3 li:last-of-type a,
.under #main .list_sitemap.col_3 li:nth-last-of-type(2):nth-child(3n+1) a,
.under #main .list_sitemap.col_3 li:nth-last-of-type(2):nth-child(3n+2) a,
.under #main .list_sitemap.col_3 li:nth-last-of-type(3):nth-child(3n+1) a {
	border-bottom: none;
}
.under #main .list_sitemap.col_3 li a::before {
	top: 1.4em;
}
.under #main .sitemap .c-accordion {
	margin-bottom: 10px;
}
.under #main .sitemap .details_summary {
	display: inline-block;
	padding: .5em 1em .5em 1em;
	font-size: 15px;
	background-color: #60a9d7;
	color: #fff;
	border-radius: 4px;
}
.under #main .sitemap .details_summary:hover {
	opacity: .8;
}
.under #main .sitemap .details_summary .icn_toggle {
	position: relative;
	display: inline-block;
	margin-left: 1em;
	width: 15px;
	height: 15px;
}
.under #main .sitemap .details_summary .icn_toggle::before {
	content: "";
	position: absolute;
	top: calc(50% - 1px);
	left: calc(50% - 6px);
	display: block;
	width: 12px;
	height: 2px;
	background-color: #fff;
	-webkit-transition: all ease .3s;
	transition: all ease .3s;
}
.under #main .sitemap .details_summary .icn_toggle::after {
	content: "";
	position: absolute;
	top: calc(50% - 6px);
	left: calc(50% - 1px);
	display: block;
	width: 2px;
	height: 12px;
	background-color: #fff;
	-webkit-transition: all ease .3s;
	transition: all ease .3s;
}
.under #main .sitemap .details_content {
	padding: 5px 1.5em;
	border: 2px solid #60a9d7;
	border-radius: 0 4px 4px 4px;
}
.under #main .sitemap .details_content .list_sitemap {
	margin-bottom: 0;
}
.under #main .sitemap details[open] .details_summary {
	border-radius: 4px 4px 0 0;
	-webkit-transition: all ease .3s;
	transition: all ease .3s;
}
.under #main .sitemap details[open] .details_summary .icn_toggle::after {
	opacity: 0;
	-webkit-transform: rotate(90deg);
	transform: rotate(90deg);
}

/* ---------------------------------------------------------------------------------------
details summary アコーディオン
--------------------------------------------------------------------------------------- */
summary {
	position: relative;
	display: block;	/* デフォルトアイコン非表示(display:list-item;を無効に)*/
	outline: none;
	cursor: pointer;
	z-index: 2;
}
summary::-webkit-details-marker {
	display: none;	/* デフォルトアイコン非表示 */
}
/* 展開アニメーション */
details[open] .details_content {
	animation: fadeIn .5s ease;
	z-index: 1;
}
@keyframes fadeIn {
	0% {
		opacity: 0;
		transform: translateY(-10px); /* 上から表示 */
	}
	100% {
		opacity: 1;
		transform: none;
	}
}

@media screen and (max-width: 640px){
	.under #main .list_sitemap_index li,
	.under #main .list_sitemap_index li:nth-child(5n) {
		width: calc(calc(100% - 10px) / 2);
		margin: 0 10px 10px 0;
	}
	.under #main .list_sitemap_index li:nth-child(even) {
		margin-right: 0;
	}
	.under #main h2.sitemap_h2 {
		margin-top: 40px;
	}
	.under #main h3.sitemap_h3 {
		margin-top: 30px;
		margin-bottom: 15px;
	}
	.under #main .list_sitemap {
		display: block;
	}
	.under #main .list_sitemap.col_3 {
		display: block;
	}
	.under #main .list_sitemap.col_3 li {
		width: auto;
	}
	.under #main .list_sitemap.col_3 li a,
	.under #main .list_sitemap.col_3 li:nth-last-of-type(2):nth-child(3n+1) a,
	.under #main .list_sitemap.col_3 li:nth-last-of-type(2):nth-child(3n+2) a,
	.under #main .list_sitemap.col_3 li:nth-last-of-type(3):nth-child(3n+1) a {
		border-bottom: 1px solid #d7ecf9;
	}
	.under #main .list_sitemap.col_2_sp {
		display: flex;
	}
	.under #main .list_sitemap.col_2_sp li {
		width: calc(calc(100% - 15px ) / 2);
		margin-right: 15px;
	}
	.under #main .list_sitemap.col_2_sp li:nth-child(even) {
		margin-right: 0;
	}
}