body > article {
	width: 57.5em;
	margin-top: 7em;
	margin-left: auto;
	margin-right: auto;
	clear: both;
	font-family: "ヒラギノ角ゴ Pro W6", sans-serif;
	font-weight: bold;
	font-size: 1em;
	line-height: 2;
}