/* ++++++++++++++メインコンテンツ上部++++++++++++++ */

.container{
	margin:0 auto;
	width:100%;
	overflow: hidden
}

section{
	width:960px;
	margin:0 auto;
	margin-bottom:90px;
}

	section p{
		letter-spacing: 1px;
		text-align: center
	}
	
	section img{
		margin:0 auto;
		display:block
	}


/* ++++++++++++++共通見出し++++++++++++++ */

.maintitle{
	padding: 15px 0;
	border-top:solid 1px #888;
	border-bottom:solid 1px #888;
	width:960px;
	margin:0 auto;
}

	.maintitle img{
		display: block;
		margin:0 auto;
	}



/* ++++++++++++++共通小見出し++++++++++++++ */

.subtitle{
	display: block;
	margin-bottom: 60px;
}

	.subtitle img{
		display: block;
		margin: 0 auto;
	}
	

/* ++++++++++++++ビル建材++++++++++++++ */

.infrastructure{
	margin-top:60px;
}


/* ++++++++++++++取扱い商材++++++++++++++ */

section#profile{
	width:100%;
}

section h3{
	padding:60px 0 0;
	margin: 0 auto 30px;
}

section h4{
	font-size:138%;
	margin-top:27px;
	margin-bottom:6px;
	text-align: center;
	letter-spacing: 1.5px;
	font-family: "ヒラギノ明朝 ProN W3", "HiraMinProN-W3","YuMincho", "游明朝", "HG明朝E", "ＭＳ Ｐ明朝", "MS PMincho", "MS 明朝", serif;
}

section .first{
	margin-top:47px;
}

.backwhite{
	background:#fff;
	padding-bottom:55px;
	margin-bottom:120px;
}

.sechead{
	margin: 0 auto 53px;
}

.illust{
	margin:95px auto 0;
	padding-bottom:17px;
	overflow: hidden
}



/* ++++++++++++++施工・納入実績++++++++++++++ */

.backcase{
	background:#d1ebf2;
	width:100%;
	padding:40px 0;
}

.casewhite{
	background:#fff;
	width:960px;
	margin:0 auto;
	overflow: hidden
}

.casewhite img:first-child{
	float:left;
	overflow: hidden
}

	.caseblock{
		padding:40px;
		overflow: hidden;
		float:left
	}
	
	.bar_case {
    width: 30px;
    border-top: solid 2px #888;
    margin: 30px 0 26px;
    float:left;
    clear:both 
	}
	
	.left{
		display:block;
		float:left;
		text-align: left;
		clear:both
	}



/* ++++++++++++++アリタの4つの領域++++++++++++++ */

.four-fields-of-arita {
	margin: 120px auto 100px;
}
	.four-fields-of-arita .subtitle {
		padding-top: 0;
	}
	
	.fourfields-area {
		position: relative;
		width: 958px;
		height: 612px;
	}
		.fourfields-area area,
		.fourfields-area area:active {
			border: none;
			outline: none;
		}
		.current {
			width: 958px;
			height: 612px;
		}
			.fourfields {
				z-index: 10;
			}
				.fourfields,
				.fourfields-hover {
					position: absolute;
					top: 0;
					left: 0;
				}
		
		

.title{
	width:960px;
	margin:13px auto 100px;
	text-align: center
}
		
/* ++++++++++++++アリタの強み++++++++++++++ */
				
#profile{
	padding-top:80px;
	margin-top:-80px;
	overflow: hidden;
}
	#profile p{
		margin: 32px auto 0;
		font-size: 116%;
		line-height: 2.26;1
	}