* html .layer_board_bg,
* html .layer_board {
	position: absolute;
}

.layer_board_bg {
	position: fixed;
	width: 100%;
	height: 100%;

	z-index: 1000;

	top: 0;
	left: 0;

	display: none;
	cursor: pointer;
	background: #fff;
}

.layer_board {
	display: none;
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	width: 500px;
	background: #fff;
	text-align: center;
	z-index: 2000;
	border-radius: 5px;
	box-shadow: 0 0 10px 5px rgba(0, 0, 0, 0.1);
	/*border: 2px solid #ccc;*/
}
.layer_board_inner {
	padding: 40px 0;
	position: relative;
}
	.layer_board p.str {
		text-align: center;
		font-size: 16px;
		line-height: 1.8
	}
		.layer_board p span {
			font-size: 105%;
		}
	.layer_board p.logo_img {
		text-align: center;
		margin-top: 20px;
	}
	.layer_board p.btn_close {
		position: absolute;
		top: 10px;
		right: 15px;
		width: 15px;
		height: 15px;
	}
		.layer_board p.btn_close img {
			width: 100%;
			height: auto;
		}

@media screen and (max-width: 480px) {
	.layer_board {
		width: 90%;
	}
		.layer_board p.str {
			font-size: 4vmin;
			line-height: 1.8
		}
		.layer_board p.logo_img {
			margin-top: 3vmin;
		}
			.layer_board p.logo_img img {
				width: 30%;
				height: auto;
			}
			eight: auto;
		}
}