* {
    overflow: hidden;
}

#start {
	transition : all 0.5s ease 0s;
	z-index: 999999999;
	background-color: transparent;
	border: 5px solid #ff4500;
	border-radius: 10px;
	color: #ff4500;
	font-size: 100px;
	position: absolute;
	top: 70%;
	left: 37%;
}

#start:hover {
	transition : all 0.5s ease 0s;
	z-index: 999999999;
	background-color: #ffffe0;
	border: 5px solid #ff4500;
	border-radius: 10px;
	color: #ff4500;
	font-size: 100px;
	position: absolute;
	top: 70%;
	left: 37%;
	cursor: pointer;
}

#hetil{
	z-index: 99999999999999999999999;
}

.hetil{
	text-align: center;
}

/*スマホ用*/
@media screen and (max-width: 485px){
	#start {
	transition : all 0.5s ease 0s;
	z-index: 999999999;
	background-color: transparent;
	border: 5px solid #ff4500;
	border-radius: 10px;
	color: #ff4500;
	font-size: 50px;
	position: absolute;
	top: 70%;
	left: 27%;
}

#start:hover {
	transition : all 0.5s ease 0s;
	z-index: 999999999;
	background-color: #ffffe0;
	border: 5px solid #ff4500;
	border-radius: 10px;
	color: #ff4500;
	font-size: 50px;
	position: absolute;
	top: 70%;
	left: 27%;
	cursor: pointer;
}	
}