@charset "UTF-8";

/*
======== table of content. ===============

summary:clearfix

- ie以外
- ie

==========================================
*/

/*----------------------------------------
ie以外
------------------------------------------*/
.clearfix:after,
#content:after,
.sec_common_inner:after,
nav ul:after,
section:after {
	content:".";
	display:block;
	height:0;
	clear:both;
	font-size:0; 
	line-height:0; 	
	visibility:hidden;
}

/*----------------------------------------
ie
------------------------------------------*/
.clearfix,
#content,
.sec_common_inner,
nav ul,
section {
	zoom:1;
}