body {
	padding: 0;
	margin: 0;
}

iframe {
	border:1px solid #666;
}

body #japan-map-container {
	over-flow:hidden;
	position:relative;
	display:fixed;
	z-index:100;
}

body #japan-map-container > canvas {
	position:relative;
	top:0px;
	left:0px;
	z-index: 101;
}

body #japan-map-back-btn {
	position:absolute;
	top:10px;
	left:10px;
	z-index:100000;
	display: none;
}

.iframe-parent {
   position: relative;
   height: 0;
   overflow: hidden;
   padding-top: 75%;
}
.iframe-parent iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}