h3{
	margin-bottom:50px;	
}
#header_bottom{
    background-image:url("../images/nature_top.jpg");
}

/*ラッパー要素*/
.bl_wrapper{
	display: flex;
	justify-content: space-between;
    flex-direction: row-reverse;
	position: relative;
	background:#fff;
}
/*コンテンツのブロック*/
.ly_contents{ 
    width: 60vw; 
}
.ly_contents div{ 
    padding-top: 50vh;
    width:74%;
    line-height: 40px;
}
.ly_contents div p{
	font-size: 14px; 

}
.ly_contents div:first-child{
	padding-top:200px;
}
.ly_contents div:last-child{ 
    padding-bottom: 42vh; 
}
/*画像のブロック*/
.ly_contents_img{
    position: absolute;
    right: 0;
    width: 250px;
    margin-top: 30px;
}
.ly_contents_img_in{
	display:block;
	margin: 50px auto;
	width:200px;
}

.un_images{
	width: 40vw;
	height: 100vh;
	display: flex;
	align-items: center;
	position: sticky;
	position: -webkit-sticky;
	top:100px;
	margin-top:200px;
	overflow: hidden;
}
.un_images p {
    width: 70%;
	display: block;
	visibility: hidden;
	/* 画像が透過pngの時は背景色が必要です */
	position: absolute;
	top: 0;
	bottom: 0;
	/* フェード速度 */
	transition: .8s;
	opacity: 0;
}

.un_images p:first-child,
.un_images p.active {
	visibility: visible;
	opacity: 1;
}
.el_btn{
	max-width: 1200px;
	margin: 0 auto;
	display: block;
	background: #C89F62;
	margin-top: 100px;
}
.el_btn_wrap{
	display: flex;
}
.el_btn_inner{
	width: 50%;
}
.un_inner{
	display: flex;
	width: 40%;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    margin: 0 auto;
	color: #fff;
}
.el_btn_inner h4{
	font-size: 25px;
}
.el_btn_con{
	font-size: 14px;
	line-height: 2.2;
	margin: 40px 0;
}
.el_btn_inner .maru{
	height:40px;
	line-height:40px;
	width:40px;
	border-radius:50%;
	text-align:center;
	background: #fff;
	color: #C89F62;
	font-size:10px;
	font-weight:bold;
	display:inline-block;
	transition:0.3s;
}
a.el_btn:hover .el_btn_inner .maru{
	background: #000;
	color: #fff;
}