#h24{
	background-image:url(h24_bijutsu.jpg);
	background-repeat:no-repeat;
	background-position:left top;
	background-position:0 0;
	width:480px;
	height:292px;
}
#h24:hover{
	background-position:0 -300px;
}
#h28{
	background-image:url(h28_bijutsu.jpg);
	background-repeat:no-repeat;
	background-position:left top;
	width:480px;
	height:292px;
}
#h28:hover{
	background-position:0 -300px;	
}
#r3{
	background-image:url(r3_bijutsu.png);
	background-repeat:no-repeat;
	background-position:left top;
	width:480px;
	height:294px;
}
#r3:hover{
	opacity:0.7;	
}