#header #main_menu span {
	position: absolute;
	right: 9999px;
}
#bt01 a {
	background-image: url(../image/ui/mainmenu_event.jpg);
	width: 130px;
	height: 45px;
	display: block;
	background-position: 0px 0px;
	background-repeat: no-repeat;
}
#bt01 a:hover {
	background-image: url(../image/ui/mainmenu_event.jpg);
	width: 130px;
	height: 45px;
	display: block;
	background-position: 0px -45px;
	background-repeat: no-repeat;
}
#bt01 a:active {
	background-image: url(../image/ui/mainmenu_event.jpg);
	width: 130px;
	height: 45px;
	display: block;
	background-position: 0px -90px;
	background-repeat: no-repeat;
}

#bt02 a {
	background-image: url(../image/ui/mainmenu_newproduct.jpg);
	background-repeat: no-repeat;
	height: 45px;
	width: 131px;
	display: block;
}
#bt02 a:hover  {
	background-image: url(../image/ui/mainmenu_newproduct.jpg);
	background-repeat: no-repeat;
	background-position: 0px -45px;
	display: block;
	height: 45px;
	width: 131px;
}

#bt02 a:active {
	background-image: url(../image/ui/mainmenu_newproduct.jpg);
	background-repeat: no-repeat;
	background-position: 0px -90px;
	display: block;
	height: 45px;
	width: 131px;
}

#bt03 a {
	background-image: url(../image/ui/mainmenu_hearingloss.jpg);
	background-repeat: no-repeat;
	height: 45px;
	width: 110px;
	display: block;
}
#bt03 a:hover  {
	background-image: url(../image/ui/mainmenu_hearingloss.jpg);
	background-repeat: no-repeat;
	background-position: 0px -45px;
	display: block;
	height: 45px;
	width: 110px;
}
#bt03 a:active {
	background-image: url(../image/ui/mainmenu_hearingloss.jpg);
	background-repeat: no-repeat;
	background-position: 0px -90px;
	display: block;
	height: 45px;
	width: 110px;
}

#bt04 a {
	background-image: url(../image/ui/mainmenu_lineup.jpg);
	background-repeat: no-repeat;
	height: 45px;
	width: 119px;
	display: block;
}
#bt04 a:hover  {
	background-image: url(../image/ui/mainmenu_lineup.jpg);
	background-repeat: no-repeat;
	background-position: 0px -45px;
	display: block;
	height: 45px;
	width: 119px;
}
#bt04 a:active {
	background-image: url(../image/ui/mainmenu_lineup.jpg);
	background-repeat: no-repeat;
	background-position: 0px -90px;
	display: block;
	height: 45px;
	width: 119px;
}

#bt05 a {
	background-image: url(../image/ui/mainmenu_step.jpg);
	background-repeat: no-repeat;
	height: 45px;
	width: 132px;
	display: block;
}
#bt05 a:hover  {
	background-image: url(../image/ui/mainmenu_step.jpg);
	background-repeat: no-repeat;
	background-position: 0px -45px;
	display: block;
	height: 45px;
	width: 132px;
}
#bt05 a:active {
	background-image: url(../image/ui/mainmenu_step.jpg);
	background-repeat: no-repeat;
	background-position: 0px -90px;
	display: block;
	height: 45px;
	width: 132px;
}

#bt06 a {
	background-image: url(../image/ui/mainmenu_shinsei.jpg);
	background-repeat: no-repeat;
	height: 45px;
	width: 134px;
	display: block;
}
#bt06 a:hover  {
	background-image: url(../image/ui/mainmenu_shinsei.jpg);
	background-repeat: no-repeat;
	background-position: 0px -45px;
	display: block;
	height: 45px;
	width: 134px;
}
#bt06 a:active {
	background-image: url(../image/ui/mainmenu_shinsei.jpg);
	background-repeat: no-repeat;
	background-position: 0px -90px;
	display: block;
	height: 45px;
	width: 134px;
}

#bt07 a {
	background-image: url(../image/ui/mainmenu_benri.jpg);
	background-repeat: no-repeat;
	height: 45px;
	width: 100px;
	display: block;
}
#bt07 a:hover  {
	background-image: url(../image/ui/mainmenu_benri.jpg);
	background-repeat: no-repeat;
	background-position: 0px -45px;
	display: block;
	height: 45px;
	width: 100px;
}
#bt07 a:active {
	background-image: url(../image/ui/mainmenu_benri.jpg);
	background-repeat: no-repeat;
	background-position: 0px -90px;
	display: block;
	height: 45px;
	width: 100px;
}

#bt08 a {
	background-image: url(../image/ui/mainmenu_qa.jpg);
	background-repeat: no-repeat;
	height: 45px;
	width: 72px;
	display: block;
}
#bt08 a:hover  {
	background-image: url(../image/ui/mainmenu_qa.jpg);
	background-repeat: no-repeat;
	background-position: 0px -45px;
	display: block;
	height: 45px;
	width: 72px;
}
#bt08 a:active {
	background-image: url(../image/ui/mainmenu_qa.jpg);
	background-repeat: no-repeat;
	background-position: 0px -90px;
	display: block;
	height: 45px;
	width: 72px;
}

#bt09 a {
	background-image: url(../image/ui/mainmenu_shop.jpg);
	background-repeat: no-repeat;
	height: 45px;
	width: 92px;
	display: block;
}
#bt09 a:hover  {
	background-image: url(../image/ui/mainmenu_shop.jpg);
	background-repeat: no-repeat;
	background-position: 0px -45px;
	display: block;
	height: 45px;
	width: 92px;
}
#bt09 a:active {
	background-image: url(../image/ui/mainmenu_shop.jpg);
	background-repeat: no-repeat;
	background-position: 0px -90px;
	display: block;
	height: 45px;
	width: 92px;
}