main {
	position: relative;
	height: 70vh;
	max-width: 100%;
}

.contents-wrapper {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	justify-content: flex-start;
	align-items: flex-start;
	flex-wrap: wrap;
	overflow-y: scroll;
	overflow-x: hidden;
}

.item {
	position: relative;
	margin: 16px;
	padding: 0;
	width: 160px;
	height: 160px;
	border-radius: 20px;
	background-image: url(/images/loader.gif);
	background-size: cover;
	background-position: center;
	overflow: hidden;
}

.item .overlay {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background-color: #0000;
}

.item:hover .overlay {
	background-color: #0002;
}

.item.selected .overlay {
	background-color: #0004;
}

.thumb {
	min-width: 100%;
	min-height: 100%;
}

.menu-wrapper {
	display: none;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background-color: #0008;
}

.menu {
	background-color: #eee;
	box-shadow: 0 0 0.5vw black;
	border-radius: 16px;
	width: 80vw;
	height: 80vh;
	max-width: 700px;
	transition: 0.3s;
	overflow: hidden;
}

form#sasa-menu {
	margin: 0;
	padding: 2vw 2vw;
	width: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

#tanzaku-list {
	height: 40vh;
	overflow-y: scroll;
	overflow-x: hidden;
}