.introduction {
	height: 400px;
	background: #f8f8f8;
	background-image: url(../img/simulate/header_bg.png);
	background-repeat: no-repeat;
	background-size: auto 280px;
	background-position: top 80px right 100px;
}
@media screen and ( max-width:600px ) {
	.introduction {
		background-position: top 90px center;
	}
}
.introduction_text {
	width: 1000px;
	margin: 0 auto;
}
@media screen and ( max-width:1100px ) {
	.introduction_text {
		width: 90%;
	}
}

.root {
	width: 1000px;
	margin: 0 auto;
}
@media screen and ( max-width:1100px ) {
	.root {
		width: 90%;
	}
}

.estimate_root {
	display: inline-block;
	width:32%;
	text-align: center;
	vertical-align: top;
}
.h_padding {
	display: inline-block;
	width:1%;
	vertical-align: top;
}
.v_padding {
	display: block;
	height: 80px;
}
@media screen and ( max-width:750px ) {
	.estimate_root {
		display: block;
		width:100%;
		margin-top: 40px;
	}
	.h_padding {
		display: none;
	}
	.v_padding {
		display: none;
	}
}

.download_table {
	height:36px;
	border:1px solid #aaa;
	margin:14px auto 0 auto;
	border-radius:4px;
	-moz-border-radius:4px;
	-webkit-border-radius:4px;
	transition:0.3s all;
}
.download_table:hover {
	background: #ccc;
}

.link_button_table {
	height:44px;
	border:1px solid #aaa;
	border-radius:4px;
	-moz-border-radius:4px;
	-webkit-border-radius:4px;
	transition:0.3s all;
}
.link_button_table:hover {
	background: #ccc;
}