.c-fixBtn {
	width: 42px;
	height: 42px;
	overflow: hidden;
	color: #fff;
	line-height: 1;
	background: var(--ark-color--main);
	border-radius: 1px;
	box-shadow:
		0 2px 8px rgba(0, 0, 0, .2),
		0 4px 4px -4px rgba(0, 0, 0, .15);
	cursor: pointer;
	opacity: .5;
	transition: opacity .25s;

	@include pc {

		&:hover {
			opacity: 1;
		}
	}

}

.c-fixBtn__icon {
	display: block;
	font-size: 16px;
}