* {
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
	-webkit-touch-callout: none;
	-webkit-user-select: none
}

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}


body {
	background-color: #335;
	font-family: 'Sawarabi Gothic','Lucida Grande','Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
	font-weight: lighter;
	font-size: 16px;

}

#wrap {
	width: 100%;
	height: 100vh;
	height: calc(var(--vh, 1vh) * 100);
	display: flex;
	flex-direction: column;
	justify-content: space-between;

}


.head {
	background-color: #000;
	height: 12.5vw;
	max-height: 60px;
}

#header {
	width: 100%;
	height: 12.5vw;
	max-height: 60px;
	margin: 0 auto;
	display:flex;
	justify-content: space-between;
	-webkit-align-items: center;
	align-items: center;

}

.logo {
	left: 0;
	height: 100%;

}

.logo img{
	max-width: 480px;
	height: 12.5vw;
	max-height: 60px;

}

.btn {
	display: flex;
	justify-content: space-between;
}


.btn li {
	width: 16vw;
	height: 12.5vw;
	max-height: 60px;
	list-style: none;
	text-align: center;
	background-color: #777;
}

.home a, .tweet a {
	width: 100%;
	height: 100%;
	line-height: 12.5vw;
	color: white;
	text-decoration: none;
	font-size: 16px;
	display: block;

}

.home a {
	background-color: #333;
}

.tweet a {
	background-color: #09f;
}

.home a:hover {
	opacity: 0.6;
}

.tweet a:hover {
	opacity: 0.6;
}


#contents {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	width: 100%;
	height: calc(100% - 12.5vw);
	text-align: center;
}



#mycanvas {
	width: 100%;
	height: 150vw;
	margin: auto;
	padding: auto 0;
}



#side {
	display: flex;
	flex-direction: column-reverse;
	width: 100%;
	background-color: rgba(205, 205, 255, 0.04);
}

.ad {
	width: 100%;
	height: auto;
	bottom: 0;
}

.bottom {
	padding-top: 100px;
	font-size: 30px;
	bottom: 0;
}



@media screen and (min-width: 481px) {

.home>a, .tweet>a {
	line-height: 60px;
	font-size: 20px;
}






}

@media screen and (min-width: 640px) {


#mycanvas {
	max-width: 640px;
	max-height: 960px;
}


@media screen and (min-width: 960px) {


.head {
	margin: 0;
}


.home>a, .tweet>a {
	font-size: 25px;
}



#wrap {
	flex-wrap: nowrap;
}

.logo {
	width: 240px;
	height: auto;
}

#contents {
	width: 100vw;
	margin: 0;
	height: auto;
}

#mycanvas {
}

#side {
	width: calc(100vw - 640px);
	flex-direction: column;
	margin-top: 50px;
}

.ad {
	padding-left: 160px;
	height: auto;
	margin: auto;
}

}