/*----------
	energy-karuta
----------*/
.energy-karuta {
	position: relative;
	margin-left: -20px;
	margin-right: -20px;
	padding: 28px 20px 33px;
	background-color: #FFF79B;
	border-radius: 20px;
}
.energy-karuta::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	opacity: 0.7;
	display: block;
	width: 100%;
	height: 100%;
	background-repeat: repeat;
	background-size: 480px auto;
	background-image: url(/kids/assets/img/common/bg_category1.png);
}
.energy-karuta__inner {
	position: relative;
	z-index: 1;
}
.energy-karuta__item {
	max-width: 315px;
	margin: 0 auto;
	cursor: pointer;
}
.energy-karuta__item:not(:first-child) {
	margin-top: 15px;
}
.energy-karuta__item.is-ura {
	animation: anime-karuta 0.4s ease-in-out;
}
.energy-karuta__item.is-ura .energy-karuta__ura {
	visibility: visible;
}
.energy-karuta__item.is-omote {
	animation: anime-karuta 0.4s ease-in-out;
}
.energy-karuta__item.is-omote .energy-karuta__ura {
	visibility: hidden;
}
.energy-karuta__img {
	position: relative;
}
.energy-karuta__img .energy-karuta__ura {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	visibility: hidden;
	transition: visibility 0s 0.2s;
}
@media (min-width: 744px) {
	.energy-karuta {
		margin-left: -50px;
		margin-right: -50px;
		padding: 35px;
		border-radius: 30px;
	}
	.energy-karuta::before {
		background-size: 600px auto;
	}
	.energy-karuta__inner {
		display: flex;
		flex-wrap: wrap;
		justify-content: center;
	}
	.energy-karuta__item {
		width: 296px;
		max-width: 100%;
		margin: 7px;
	}
	.energy-karuta__item:not(:first-child) {
		margin-top: 7px;
	}
}

@keyframes anime-karuta {
	0% {
		transform: scale(1, 1);
	}
	50% {
		transform: scale(0, 1);
	}
	100% {
		transform: scale(1, 1);
	}
}