/*スクロールダウンの指定*/
.scrollDown {
	position:absolute;
	left:50%;
	bottom:2.8em;
/*	height:50px; */
}

.scrollDown span {
	position: absolute;
	left: -26px;
	top: -1.5em;
	color: #000;
	font-size: 1.1em;
	letter-spacing: 0.05em;
}

/* 線の描写 */
.scrollDown::after {
	content: "";
	position: absolute;
	top: 0;
	width: 1px;
	height: 20px;
	background: #000;
	animation: upDownEffect 2s ease-in-out infinite;
	opacity:0;
}

/*線が上から下に動く*/
@keyframes upDownEffect {
	0% {
		height:0;
		top:0;
		opacity: 0;
	}
	30% {
		height:15px;
		opacity: 1;
	}
	100% {
		height:0;
		top:30px;
		opacity: 0;
	}
}