#circle_btn {
	width: 390px;
	margin-right: auto;
	margin-left: auto;
	margin-top: 10px;
}

#circle_btn .btn1 a {
	height: 56px;
	width: 180px;
	background-image: url(../../imges/home/bn_circle_4.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	text-indent: -9999px;
	display: block;
	margin-right: 30px;
}
#circle_btn .btn2 a {
	background-image: url(../../imges/home/bn_circle_1.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	height: 56px;
	width: 180px;
	text-indent: -9999px;
	display: block;
}
#circle_btn .btn3 a {
	background-image: url(../../imges/home/bn_circle_2.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	height: 56px;
	width: 180px;
	text-indent: -9999px;
	display: block;
	margin-top: 10px;
}

#circle_btn .btn4  {
	background-image: url(../../imges/home/bn_circle_owabi.gif);
	background-repeat: no-repeat;
	background-position: left top;
	height: 56px;
	width: 180px;
	text-indent: -9999px;
	display: block;
	margin-top: 10px;
	margin-left: 30px;
}

#circle_btn .btn1 a:hover {
	height: 56px;
	width: 180px;
	background-position: left bottom;
}
#circle_btn .btn2 a:hover {
	background-image: url(../../imges/home/bn_circle_1.jpg);
	background-position: left bottom;
	display: block;
}
#circle_btn .btn3 a:hover {
	background-image: url(../../imges/home/bn_circle_2.jpg);
	background-repeat: no-repeat;
	background-position: left bottom;
	height: 56px;
	width: 180px;
}

#circle_btn li {
	float: left;
}