.nendo {
	font-size: large;
	font-weight: bolder;
	margin-top: 20px;
	margin-bottom: 10px;
	margin-left: 10px;
}
.kenkyu_title {
	font-size: medium;
	margin-top: 5px;
	margin-bottom: 5px;
	margin-left: 160px;
}
#kako_kenkyu {
	margin-bottom: 20px;
}
#kako_navi {
	font-size: small;
}
.kikan {
	font-size: medium;
	float: left;
	width: 150px;
}
.kenkyu {
	margin-left: 20px;
}