.article_column1 {
	margin-top: 20px;
	margin-left: 50px;
}

.article_column2 {
	margin-top: 0px;
	margin-bottom: 3px;
	margin-left: 70px;
}


/* 各記事用 */
.backto {
	left: 90px;
	position: relative;
	width: 750px;
}
.article_container {
	width: 750px;
	left: 20%;
	position: relative;
}
.first_comment {
	text-align: center;
	margin-bottom: 30px;
}
.article_title1 {
	font-family: 'sans-serif';
	font-size: xx-large;
	margin-top: 50px;
	margin-bottom: 20px;
	text-align: center;
	color: red;
}
.article_title2 {
	font-family: 'sans-serif';
	font-size: large;
	margin-bottom: 20px;
	text-align: center;
}
.article_title3 {
	font-family: 'serif';
	font-size: large;
}
.img_center {
	text-align: center;
}
.img_left {
	position: relative;
	float: left;
	padding: 10px;
}
.img_right {
	position: relative;
	float: right;
	padding: 10px;
}
/* 各記事用 */