#main-contents {
	margin-top:259px;
	padding-left:76px;
	}
#main-contents .border-a img {
	margin-top:30px;
	}
.concept {	background:url(../img/concept-back.jpg) no-repeat;}
.insulation {	background:url(../img/insulation-back.jpg) no-repeat;}
.ventilation {	background:url(../img/ventilation-back.jpg) no-repeat;}
.snowstopper {	background:url(../img/snowstopper-back.jpg) no-repeat;}

h2 {
	padding-top:70px;
	margin-bottom:27px;
	}
h3 {	
	margin:0 0 1em 0;
	}
.contents-leftarea{
	float:left;
	width:380px;
	padding-right:24px;
	}
.contents-rightarea {
	float:left;
	width:202px;
	padding-top:45px;
	}
.concept .contents-1,.insulation .contents-1 {
	width:380px;
	margin-bottom:2em;
	}
.concept .contents-4 .contents-rightarea {
	width:202px;
	margin-top:12em;
	padding-bottom:10px;
	}
.insulation .contents-2 .contents-leftarea, .ventilation .contents-1 .contents-leftarea, .snowstopper .contents-2 .contents-leftarea, .snowstopper .contents-1 .contents-leftarea {
	margin-bottom:2em;
	}
.ventilation .contents-1 .contents-rightarea, .snowstopper .contents-1 .contents-rightarea {
	margin-top:40px;
	}
.ventilation .contents-4 .contents-rightarea span {
	color:#FFCC00;
	}
.snowstopper .contents-3 .contents-rightarea .point{
	width:182px;
	padding:10px;
	margin-top:30px;
	background:url(../img/snowstopper-img-2.jpg) no-repeat bottom;
	background-color:#ffe9d2;
	}
.snowstopper .contents-1 .contents-rightarea span{
	display:block;
	text-align:right;
	}
.contents-bottom-img {
	padding-top:30px;
	}