/* casestudy */
.casestudy {
	color: #fff;
	background: #292d30;
}
.casestudy_mv {
	width: 100%;
	margin: auto;
	min-width: 830px;
	max-width: 1920px;
}
.casestudy_mv_inner {
	display: table;
	width: 100%;
	table-layout: fixed;
}
.casestudy_mv_img,
.casestudy_mv_txt {
	display: table-cell;
	vertical-align: top;
	height: 535px;
	box-sizing: border-box;
}
.casestudy_mv_txt {
	background: url(../img/casestudy_mv_txt.jpg) no-repeat right 85%;
	background-size: cover;
}
.casestudy_mv_img {
	background: url(../img/casestudy_mv_img.jpg) no-repeat left top;
	background-size: cover;
}
.casestudy_mv_txt_inner {
	background-color: rgba(81, 89, 95,0.5);
	width: 100%;
	height: 100%;
	position: relative;
}
.casestudy_mv_txtbox {
	position: absolute;
	right: 0;
	top: 0;
	width: 415px;
	padding: 80px 0;
}
.casestudy_mv_ttl {
	font-size: 26px;
	line-height: 1.92;
	margin-bottom: 45px;
}
.casestudy_mv .btn_basic {
	font-size: 16px;
	padding: 11px 28px;
	border-radius: 4px;
}
.casestudy_inner {
	max-width: 830px;
	margin: auto;
}
.casestudy_search {
	padding: 30px 0 90px;
	text-align: center;
}
.casestudy_search_ttl {
	font-size: 26px;
	margin-bottom: 30px;
	margin-top: -3px;
}
.casestudy_search_select {
	font-weight: 500;
	position: relative;
	margin-bottom: 15px;
}
.casestudy_search_select:before {
	content: '';
	display: block;
	width: 100%;
	height: 1px;
	background: #51595f;
	position: absolute;
	top: 9px;
	left: 0;
}
.casestudy_search_select_list {
	padding-bottom: 30px;
	position: relative;
}
.casestudy_search_select_list:before {
	content: '';
	display: block;
	position: absolute;
	bottom: 17px;
	left: 50%;
	border-top: 13px solid #b1bec7;
	border-left: 13px solid #292d30;
	border-right: 13px solid #292d30;
	border-bottom: 0px solid green;
	width: 0;
	height: 0;
	margin-left: -13px;
}
.casestudy_search_select_list > ul {
	font-size: 0;
	margin-right: -10px;
}
.casestudy_search_select_list li {
	margin: 0 10px 10px 0;
	display: inline-block;
	font-size: 14px;
	position: relative;
	color: #27292F;
	width: 158px;
	height: 30px;
	line-height: 30px;
}
.casestudy_search_select_list .checkbox_wrap {
	border-radius: 4px;
	background: #b7c4cd;
	width: 100%;
	display: table;
}
.casestudy_search_select_list .checkbox_wrap.is_checked {
	background: #8daed6;
}
.casestudy_search_select_list .checkbox_label {
	width: 100%;
	display: table-cell;
	vertical-align: middle;
	cursor: pointer;
	box-sizing: border-box;
	padding: 0 0 0 20px;
}
.casestudy_search_select_list .checkbox_label input[type="checkbox"]{
	display: inline-block;
	vertical-align: middle;
	width: 20px;
	height: 20px;
	position: absolute;
	opacity: 0;
	cursor: pointer;
}
.casestudy_search_select_list .checkbox_label .checkbox_icon {
	position: absolute;
	left: 6px;
	top: 50%;
}
.casestudy_search_select_list .checkbox_label .checkbox_icon:before,
.casestudy_search_select_list .checkbox_label .checkbox_icon:after {
	content: '';
	display: block;
	position: absolute;
	top: 50%;
	left: 0;
	margin-top: -10px;
}
.casestudy_search_select_list .checkbox_label .checkbox_icon:before {
	width: 20px;
	height: 20px;
	z-index: 1;
}
.casestudy_search_select_list .checkbox_label .checkbox_icon:after {
	left: 50%;
	width: 9px;
	height: 15px;
	border-right: 3px solid #292d30;
	border-bottom: 3px solid #292d30;
	-webkit-transform: rotate(30deg);
	transform: rotate(30deg);
	opacity: 0;
	z-index: 2;
	margin-left: 4px;
}
.casestudy_search_select_list .checkbox_wrap.is_checked .checkbox_icon:after {
	opacity: 1;
}
.casestudy_search_select_list .checkbox_wrap .checkbox_label .checkbox_icon:before {
	background: #ffffff;
}
.casestudy_search_select_list .checkbox_wrap.is_checked .checkbox_label .checkbox_icon:before {
	background: #ffffff;
}
.casestudy_search_select > span {
	background: #292d30;
	display: inline-block;
	padding: 0 10px;
	margin-top: -10px;
	position: relative;
	z-index: 2;
}
.casestudy_search .btn_basic{
	margin-top: -7px;
	font-size: 16px;
	padding: 11px 28px;
}

@media screen and (max-width: 1052px) {
	.casestudy_search_select_list li {
		height: 45px;
		line-height: 1.5;
	}
	.casestudy_search_select_list .checkbox_wrap {
		height: 100%;
	}
}

@media screen and (max-width: 640px) {
	.casestudy_mv {
		min-width: 100%;
	}
	.casestudy_mv_img,
	.casestudy_mv_txt {
		height: 267px;
	}
	.casestudy_inner {
		width: 100%;
		padding: 20px 15px 60px;
		box-sizing: border-box;
	}
	.casestudy_mv_img {
		background: url(../img/casestudy_mv_img_sp.jpg) no-repeat left top;
		background-size: cover;
	}
	.casestudy_mv_txtbox {
		width: 100%;
		box-sizing: border-box;
		padding: 40px 0 40px 15px;
	}
	.casestudy_mv_ttl {
		font-size: 15px;
		margin-bottom: 20px;
	}
	.casestudy_mv .btn_basic {
		font-size: 12px;
		padding: 6px 13px;
	}
	.casestudy_search {
		padding: 15px 15px 60px;
	}
	.casestudy_search_ttl {
		font-size: 13px;
		margin-bottom: 20px;
		line-height: 1.69;
	}
	.casestudy_search_select {
		margin-bottom: 10px;
	}
	.casestudy_search_select_list {
		padding-bottom: 20px;
	}
	.casestudy_search_select_list:before {
		border-top: 6px solid #b1bec7;
		border-left: 6px solid #292d30;
		border-right: 6px solid #292d30;
		border-bottom: 0px solid green;
		margin-left: -6px;
	}
	.casestudy_search_select_list .checkbox_wrap {
		height: 100%;
	}
	.casestudy_search_select_list > ul {
		text-align: left;
	}
	.casestudy_search_select_list > ul > li {
		display: inline-block;
		background: #b7c4cd;
		border-radius: 4px;
		margin: 0 10px 10px 0;
		width: 30%;
		width: calc((100% - 30px) / 3 ) ;
		font-size: 11px;
	}
	.casestudy_search_select_list .checkbox_label {
		padding: 0 0 0 15px;
		text-align: center;
		height: 100%;
	}
	.casestudy_search_select_list li {
		height: 36px;
		line-height: 1.5;
	}
	.casestudy_search_select_list a{
		font-size: 11px;
		width: 100%;
		height: 20px;
		line-height: 20px;
		text-align: center;
	}
	.casestudy_search_select_list .checkbox_label .checkbox_icon {
		left: 4px;
	}
	.casestudy_search_select_list .checkbox_label .checkbox_icon:before {
		width: 14px;
		height: 14px;
		margin-top: -7px;
	}
	.casestudy_search_select_list .checkbox_label .checkbox_icon:after {
		width: 4px;
		height: 7px;
		margin-top: -5px;
		border-right-width: 2px;
		border-bottom-width: 2px;
	}
	.casestudy_search_select:before {
		top: 7px;
	}
	.casestudy_search .btn_basic{
		font-size: 12px;
		padding: 6px 14px;
	}
}