@media screen and (min-width: 768px) {
	.div{
		display: none;
	}
	body{
		width: 100%;
		height: 100%;
		background: url(../images/bj_pc.jpg) no-repeat;
		background-size: 100% 100%;
	}
	.pc{
		width: 100%;
		height: 100%;
		margin: auto;
	}
	.Ann_logo_pc{
		width: 90%;
		display: block;
		margin: auto;
		margin-top: 3%;
	}
	.Ann_img_1_pc{
		width: 69.79%;
		display: block;
		position: absolute;
		left: 0;
		right: 0;
		margin: auto;
		top: 17%;
	}
	.Ann_btn_0_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 0;
		right: 0;
		margin: auto;
		top: 50%;
	}
	
	.Ann_btn_1_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 5%;
		margin: auto;
		top: 65%;
	}
	
	.Ann_btn_2_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 27.92%;
		margin: auto;
		top: 65%;
	}
	
	.Ann_btn_3_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 50.84%;
		margin: auto;
		top: 65%;
	}
	.Ann_btn_4_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 73.84%;
		margin: auto;
		top: 65%;
	}
	
	
	
	.Ann_btn_5_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 5%;
		margin: auto;
		top: 80%;
	}
	
	.Ann_btn_6_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 27.92%;
		margin: auto;
		top: 80%;
	}
	
	.Ann_btn_7_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 50.84%;
		margin: auto;
		top: 80%;
	}
	.Ann_btn_8_pc{
		width: 21.92%;
		display: block;
		position: absolute;
		left: 73.84%;
		margin: auto;
		top: 80%;
	}
}
@media screen and (max-width: 750px) {
	body{
		width: 100%;
		height: 100%;
		background: url(../images/bg.jpg) no-repeat;
		background-size: 100% 100%;
	}
	.pc{
		display: none;
	}
	.div{
		width: 100%;
		height: 100%;
	}
	.Ann_logo{
		width: 14.613rem;
		display: block;
		margin: auto;
		margin-top: 3%;
	}
	.Ann_img_1{
		width: 14.656rem;
		display: block;
		position: absolute;
		left: 0;
		right: 0;
		margin: auto;
		top: 17%;
	}
	.Ann_btn_0{
		width: 7.850rem;
		display: block;
		position: absolute;
		left: 0;
		right: 0;
		margin: auto;
		top: 55%;
	}
	.Ann_btn_1{
		width: 6.613rem;
		display: block;
		position: absolute;
		left: 5%;
		top: 65%;
	}
	.Ann_btn_2{
		width: 6.613rem;
		display: block;
		position: absolute;
		right: 5%;
		top: 65%;
	}
	
	
	.Ann_btn_3{
		width: 6.613rem;
		display: block;
		position: absolute;
		left: 5%;
		top: 73%;
	}
	.Ann_btn_4{
		width: 6.613rem;
		display: block;
		position: absolute;
		right: 5%;
		top: 73%;
	}
	
	.Ann_btn_5{
		width: 6.613rem;
		display: block;
		position: absolute;
		left: 5%;
		top: 81%;
	}
	.Ann_btn_6{
		width: 6.613rem;
		display: block;
		position: absolute;
		right: 5%;
		top: 81%;
	}
	
	.Ann_btn_7{
		width: 6.613rem;
		display: block;
		position: absolute;
		left: 5%;
		top: 89%;
	}
	.Ann_btn_8{
		width: 6.613rem;
		display: block;
		position: absolute;
		right: 5%;
		top: 89%;
	}
}