@charset "Shift_JIS";

#main {
	margin: 0 38px 30px 38px;
	width: 670px;
}

.explain {
	margin: 10px;
}

.border_right {
	background-color: #f0f0f0;
	border-right: 10px solid #ffffff;
}

.border_bottom {
	background-color: #f0f0f0;
	border-bottom: 10px solid #ffffff;
}

.border_right_bottom {
	background-color: #f0f0f0;
	border-right: 10px solid #ffffff;
	border-bottom: 10px solid #ffffff;
}

.border_none {
	background-color: #f0f0f0;
}