@charset 'UTF-8';
@use '../global' as *;

/* back to top
---------------------------------------------*/
.back-to-top {
	position: fixed;
	right: 10px;
	bottom: 10px;
	z-index: 1;
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--transition-duration);
	border-radius: 50%;
	border: 1px solid var(--icon-color, #000);
	padding: .75em;
	background-color: var(--bg-color, #fff);
	font-size: var(--icon-size, 0.9375rem); // 15px相当
	cursor: pointer;
	&.is-visible {
		visibility: visible;
		opacity: 1;
	}
}

.back-to-top__icon {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	color: var(--icon-color, #000);
}