html, body {
	background-color: #FFF;
	font-family: 游ゴシック体, 'Yu Gothic', YuGothic, 'ヒラギノ角ゴシック Pro', 'Hiragino Kaku Gothic Pro', sans-serif;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	/*height: 100%;*/
	margin: 0;
	padding: 0;
	width: 100%;
}

div#main_column {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	height: auto;
	margin: 0 auto;
	max-width: 768px;
	min-height: 100%;
	position: relative;
}