@charset "utf-8";
/* CSS Document */
.btm_list {
	background: #f3f8fb;
	padding: 60px 0;
}
.btm_list .black_ttl {
	margin-bottom: 20px;
}
.btm_list ul {
	-ms-flex-pack: justify;
	-ms-flex-wrap: wrap;
	-webkit-box-pack: justify;
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
}
.btm_list ul li {
	max-width: 353px;
	width: 32%;
}
.btm_list ul li .pic img {
	width: 100%;
}
.btm_list ul li h3 {
	background: #fff;
	font-size: 1.6rem;
	font-weight: 500;
	line-height: 1.7;
	padding: 13px;
	text-align: center;
}
.btm_list ul li a {
	-webkit-transition: all .2s;
	display: block;
	transition: all .2s;
}
.btm_list ul li a:hover {
	-webkit-box-shadow: 0 2px 20px rgba(50, 50, 50, 0.25);
	box-shadow: 0 2px 20px rgba(50, 50, 50, 0.25);
	opacity: 0.8;
}

@media screen and (max-width : 767px) {
	.btm_list {
		padding: 11% 0;
	}
	.btm_list .black_ttl {
		margin-bottom: 7%;
	}
	.btm_list ul {
		display: block;
	}
	.btm_list ul li {
		margin-bottom: 4%;
		max-width: 100%;
		position: relative;
		width: 100%;
	}
	.btm_list ul li:last-child {
		margin-bottom: 0;
	}
	.btm_list ul li h3 {
		background: none;
		color: #fff;
		font-size: 1.5rem;
		left: 5%;
		padding: 0;
		position: absolute;
		top: 5%;
	}
}
.mv_under  {
	background:url(/img/about/history/mv_history_pc.jpg) no-repeat center top;
	background-size:cover;
}
.contents_main {
	padding-bottom:100px;
}

@media screen and (max-width : 767px) {
	.mv_under {
		background:url(/img/about/history/mv_history_sp.jpg) no-repeat center top;
		background-size: 100%;
	}

	.contents_main {
		padding-bottom:16%;
	}
}

.ol_history {
	border-bottom: 1px solid #e5e5e5;
	font-size: 1.5rem;
	margin: 0 auto;
	width: 800px;
}
.ol_history li {
	line-height: 2.05;
	padding: 8px 1% 0;
}
.ol_history li.line_top {
	border-top: 1px solid #e5e5e5;
	margin: 13px auto 0;
	padding: 14px 1% 0;
}
.ol_history li.bottom{
	padding-bottom: 14px;
}
.ol_history dl:after {
	clear: both;
	content: " ";
	display: block;
}
.ol_history dt {
	float: left;
	min-height: 1px;
	position: relative;
	text-align: right;
	width: 132px;
}
.ol_history dt span {
	font-weight: bold;
	left: 0;
	position: absolute;
	top: 0;
}
.ol_history dd {
	float: left;
	margin: 0 0 0 60px;
	width: calc(800px - 208px);
}

@media screen and (max-width : 767px) {
	.ol_history {
		font-size: 1.2rem;
		margin: 0 auto;
		width: 100%;
	}
	.ol_history li, .ol_history li.line_top {
		padding: 3% 0 0;
	}
	.ol_history li.line_top {
		margin: 4% auto 0;
	}
	.ol_history li.bottom{
		padding-bottom: 4%;
	}
	.ol_history dt, .ol_history dd {
		float: none;
		text-align: left;
		width: 100%;
	}
	.ol_history dt span {
		display: block;
		margin: 0 0 1%;
		position: static;
	}
	.ol_history dd {
		line-height: 1.6;
		margin: 0;
	}
	.line_top {
		border-top: 1px solid #e5e5e5;
	}
}