/* category */
#menu_company a{
	background-position:left bottom;
}
/* submenu */
#submenu_title{
	background-image:url(../img/category_title.gif);
}

#submenu_message a{
	background-image:url(../img/submenu_message.gif);
	background-position:left top;
}
#submenu_philosophy a{
	background-image:url(../img/submenu_philosophy.gif);
	background-position:left top;
}
#submenu_profile a{
	background-image:url(../img/submenu_profile.gif);
	background-position:left top;
}
#submenu_history a{
	background-image:url(../img/submenu_history.gif);
	background-position:left top;
}
#submenu_establishment a{
	background-image:url(../img/submenu_establishment.gif);
	background-position:left top;
}
#submenu_environment a{
	background-image:url(../img/submenu_environment.gif);
	background-position:left top;
}