*{
	max-width: 1080px;
	width: 100%;
	margin: 0 auto;
	font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
}
body{
	position: relative;
	width: 95%;
    margin: 0 auto;
}
ul,li{
	list-style: none;
}
#header{
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
}
#header a{
	display: block;
}
#main {
    padding-top: min(100px, 10vw);
}
#main > div{
    text-align: center;
}

.ttl{
	background: url("../img/main_bg.webp");
	background-size: cover;
}
.workshop{
	background: url("../img/workshop_bg.webp");
	background-size: cover;
}
.workshop .itemWarp{
	width: calc(100% - 4rem);
	padding: 0 0 2rem;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	grid-gap: 2rem;
}
.workshop .itemWarp li{
	max-width: 465px;
	width: calc(100% / 2 - 1rem);
}
.access{
	background: url("../img/access_bg.webp");
	background-size: cover;
}
.access iframe{
	width: 85% !important;
    margin: 0 auto 8%;
}
#footer{
	font-size: clamp(9px, 1vw, 12px);
	text-align: center;    
    margin: 1em auto;
}

@media all and (max-width:500px){	
	#main {
		padding-top: max(6vh, 7vw);
	}
	.workshop .itemWarp{
		width: calc(100% - 2rem);
		grid-gap: 1rem;
		padding: 0 0 1rem;
	}
	.workshop .itemWarp li{
		width: calc(100% / 2 - 0.5rem);
	}
}