.content {
	overflow: hidden;
	padding: 40px 0 60px;
	min-width: 1120px;
}
.content_min {
	max-width: 1240px;
	min-width: 1120px;
	margin: 0 auto;
	padding: 40px 0 60px;
}
.content_min img {
	width:100%;
	height:auto;
}
.content_lr {
	overflow: hidden;
	clear: both;
	min-width: 1120px;
}
.content_l {
	width: 50%;
	float: left;
}
.content_r {
	width: 50%;
	float: right;
}
.content_lr_inner {
	max-width: 700px;
	margin:0 auto;
	padding: 30px;
}
.arrow_next {
	position: relative;
	padding-bottom: 120px;
}
.arrow_next:after {
    display: block;
    position: absolute;
    bottom: 15%;
    left: 0;
    right: 0;
    margin:0 auto;
    width: 20px;
    height: 20px;
    border-bottom: solid 2px #000;
    border-right: solid 2px #000;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    content: "";
}
.min_text_box {
	max-width: 870px;
	margin: 20px auto;
}
.bg_gray {
	background: #e7e7e7;
	text-align: center;
}
.bg_darkgray {
	background: #515151;
	color: #fff;
}
@media screen and (max-width: 768px) {
	.content {
		min-width: 90%;
		padding: 20px 5%;
	}
	.content_min {
		width: 90%;
		padding: 20px 5%;
		min-width: 90%;
	}
	.arrow_next {
	    position: relative;
	    padding-bottom: 150px;
	}
	.content_lr {
		min-width: 100%;
	}
	.content_min.content_lr {
		padding: 0;
	}
	.content_l, .content_r {
		float: none;
		clear: both;
		width: 100%;
		min-height: 350px;
	}
	.content_lr_inner {
		min-width: 90%;
		padding: 20px 5%;
	}
}