.section .l{
}
.section .l img{
	width: 180px;
	padding-bottom: 20px;
}

#concept-p{
	padding-bottom: 10px;
	width: 500px;
}
#concept-p p{
	font-size: 15px;
	line-height: 155%;
	letter-spacing: 1px;
	padding-bottom: 8px;
}

#o-na-{
	margin-left: 20px;
}
h2{
	text-align: center;
	letter-spacing: 1px;
	padding-bottom: 5px;
}