/* BASIC */
*{
	margin:0;
	padding:0;
	line-height:1.62;
}
html, body{
	height:100%;
}
.clear{
	clear:both;
}
.left{
	float:left;
}
.right{
	float:right;
}
html{
	font: 12px "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	color:#fff;
}
img{
	border:none;
	vertical-align:bottom;
}

/* MENU */
.menu_mgn{
	height:85px;
}
#menu{
	position:fixed;
	top:0;
	width:100%;
	height:65px;
	background:url(../img/header.png) repeat-x center top;
	overflow:hidden;
	z-index:100;
}
#menu ul{
	list-style-type:none;
	width:720px;
	height:45px;
	margin:15px auto 0;
}
#menu li a{
	display:block;
	width:180px;
	height:45px;
	float:left;
	text-indent:-9999px;
	background-image:url(../img/header_menu.png);
	background-repeat:no-repeat;
}
#btn02{
	background-position:-180px 0;
}
#btn03{
	background-position:-360px 0;
}
#btn04{
	background-position:-540px 0;
}
#btn05{
	background-position:-720px 0;
}
#btn01:hover{
	background-position:0 -43px;
}
#btn02:hover{
	background-position:-180px -43px;
}
#btn03:hover{
	background-position:-360px -43px;
}
#btn04:hover{
	background-position:-540px -43px;
}
#btn05:hover{
	background-position:-720px -43px;
}

/* SCROLL TO TOP */
#back-top{
	position:fixed;
	 bottom:20px;
	right:20px;
	width:50px;
	height:50px;
	font-size:24px;
	text-align:center;
	line-height:50px;
	cursor:pointer;
	z-index:10000;
	border-radius:50%;
	color:#fff;
	background:#1e1f59;
}
#back-top:hover{
	color:#1e1f59;
	background:#f7e701;
}