.box-modal {
	position: relative;
	width: 500px;
	padding: 16px;
	background: #fff;
	color: #3c3c3c;
	box-shadow: 0 0 0 6px rgba(153, 153, 153, .3);
	border-radius: 6px;
}
.box-modal_close {
	position: absolute;
	right: 10px;
	top: 6px;
	font-size: 16pt;
	line-height: 15px;
	color: #999;
	cursor: pointer;
}
.box-modal_close:hover { color: #666; }

@media screen and (max-width: 768px){
	.box-modal{
		width: auto;
	}

	#email-check button {
		margin-top: 0.5em;
	}
}