#content-main div.box1 {
	display:block;
	border:1px solid #cecece;
	background-color:#f6f6f6;
	padding:1.5em 2em;
	border-radius:5px;
	margin-top:1em;
}

#content-main div.group ul.year01,
#content-main div.group ul.data {
	display:inline-block;
	vertical-align:top;
}
#content-main div.group ul.data {
	margin-bottom:0.9em;
}
#content-main li.month {
	font-weight:bold;
	margin-left:1.5em;
}
#content-main ul.data li {
	margin-left:1.5em;
}
#content-main div.group ul.year01 li {
	margin-bottom:1em;
	margin:0 3em 0 0.7em;
}
#content-main div.all {
	background:url(/images/open.content/insect/introduction/history/bg.png)no-repeat 4.6em 3px;
}
#content-main ul.depth01 li {
	margin-bottom:1em;
	padding-left:10px;
		word-break:keep-all;
}