#about{
	position:absolute;
	z-index:1;
	visibility: hidden;
}
#product{
	position:absolute;
	z-index:1;
	visibility: hidden;
}
#product_co{
	position:absolute;
	z-index:1;
	visibility: hidden;
}
#solution {
	position:absolute;
	z-index:1;
	visibility: hidden;
}
#news{
	position:absolute;
	z-index:1;
	visibility: hidden;
}
#service {
	position:absolute;
	z-index:1;
	visibility: hidden;
}
#ir {
	position:absolute;
	z-index:1;
	visibility: hidden;
}
#support {
	position:absolute;
	z-index:1;
	visibility: hidden;
}