@charset "utf-8";

.box_concept_about {
	width: 100%;
	padding: 5em 5%;
	font-family: YuMincho, "Yu Mincho", "Hiragino Mincho ProN", "serif";
	border-bottom: 1px solid #707070;
}
.box_concept_about .inner {
	width: 100%;
	max-width: 1200px;
	margin: auto;
}
.box_concept_about .inner p img {
	width: 100%;
}

.box_concepts {
	width: 100%;
	margin-bottom: 4em;
}
.box_concepts article {
	width: 100%;
	padding: 7em 5%;
	border-bottom: 1px solid #707070;
}
.box_concepts article section {
	position: relative;
	width: 100%;
	max-width: 1200px;
	margin: auto;
}
.box_concepts article section::after {
	content: "";
	display: block;
	clear: both;
}
.box_concepts article section div.left {
	float: left;
	width: 55%;
	padding-bottom: 270px;
	text-align: left;
}
.box_concepts article section div.left h3 {
	margin-bottom: 1em;
	padding-bottom: 0.7em;
	border-bottom: 2px dotted #707070;
	font-size: 1.8em;
	line-height: 1.5;
	color: #394756;
}
.box_concepts article section div.left p {
	padding-bottom: 2.0em;
	font-size: 1.0em;
	font-weight: normal;
	line-height: 2.2;
	color: #5C5C5C;
}
.box_concepts article section div.right {
	float: right;
	width: 40%;
	text-align: right;
}
.box_concepts article section div.right img {
	display: inline-block;
	margin-bottom: 1em;
}
.box_concepts article section div.numbers {
	position: absolute;
	bottom: 2em;
	left: 0;
}


@media screen and (max-width: 920px) {
	.box_concepts article {
		padding: 5em 5% 3em 5%;
	}
	.box_concepts article section div.left {
		padding-bottom: 180px;
	}
	.box_concepts article section div.left h3 {
		margin-bottom: 0.5em;
		padding-bottom: 0.5em;
		font-size: 1.3em;
	}
	.box_concepts article section div.left p {
		padding-bottom: 2.0em;
		font-size: 0.9em;
		line-height: 2.0;
	}
	.box_concepts article section div.numbers {
		width: 150px;
	}
}
@media screen and (max-width: 700px) {
	.box_concept_about {
		padding: 3em 5%;
	}
	.box_concepts article section div.left {
		float: none;
		width: 100%;
		padding-bottom: 0;
	}
	.box_concepts article section div.left h3 {
		padding-right: 100px;
	}
	.box_concepts article section div.right {
		float: none;
		width: 100%;
		text-align: center;
	}
	.box_concepts article section div.numbers {
		width: 60px;
		top: -25px;
		bottom: auto;
		right: 0;
		left: auto;
	}
}
@media screen and (max-width: 540px) {
	.box_concepts article section div.left h3 {
		font-size: 1.5em;
	}
	.box_concepts article section div.numbers {
		top: 2px;
	}
}