/* トップに戻るボタン */
#js-pageBtnGroup {
	position: fixed;
	z-index: 1000;
	bottom: 8pc;
	right: 0;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	font-size: clamp(1.125rem, calc(1.125rem + ((1vw - 3.6px) * 4.6875)), 3rem);
	transition: all 0.15s ease;
	/* radius: 左上  右上  右下  左下 */
	border-radius: 0.5rem 0px 0px 0.5rem;
	background-color: hsla(223, 6%, 100%, 0.2);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	border: 1px solid hsla(223, 6%, 100%, 0.2);
	box-shadow: 0 4px 8px hsla(223, 6%, 13%, 0.2);
}

#js-pageBtnGroup>.pageBtn {
	position: relative;
	z-index: 10;
	display: inline-flex;
	justify-content: center;
	align-items: center;
	width: 44px;
	height: 44px;
	max-width: calc(3.75vw - 1px);
	color: var(--c-base-300, hsl(223, 6%, 74%));
	mix-blend-mode: exclusion;
}

#js-pageBtnGroup>.pageBtn:not(:first-of-type)::before {
	content: "";
	position: absolute;
	z-index: -1;
	top: 0;
	left: 0;
	right: 0;
	margin: auto;
	width: 0.5em;
	height: 4px;
	border-top: 1px solid hsla(223, 6%, 46%, 0.26);
}


/* .bubble */
#js-pageBtnGroup .pageBtn-bubble {
	position: absolute;
	right: calc(100% + 8px);
	display: inline-flex;
	justify-content: center;
	align-items: center;
	white-space: nowrap;
	margin-right: 8px;
	padding: 5px 11px;
	border-radius: 4px;
	letter-spacing: 0.04em;
	font-size: 13px;
	background-color: var(--c-text-700, hsl(223, 6%, 33%));
	color: #FFF;
	/* クリック無効 */
	pointer-events: none;
	cursor: none;
}

/* フェードイン */
#js-pageBtnGroup .pageBtn-bubble {
	/* trans: property | duration | easing */
	transition: all 0.3s ease-out;
	transform: translateX(-0.15em);
	opacity: 0;
}

#js-pageBtnGroup.is-rolleached .pageBtn-bubble {
	top: 1.6rem;
}

/* :hover */
@media (any-hover: hover) {
	#js-pageBtnGroup a:is([href], [onclick]):hover .pageBtn-bubble {
		transform: translate(0);
		opacity: 1;
	}
}

#js-pageBtnGroup .pageBtn-bubble::after {
	content: "";
	position: absolute;
	top: 50%;
	right: 0;
	border-style: solid;
	border-width: 4px 0 4px 8px;
	border-color: transparent transparent transparent var(--c-text-700, hsl(223, 6%, 33%));
	translate: 100% -50%;
}


/* Icon（Material Symbols） */
#js-pageBtnGroup .icon {
	position: relative;
	display: inline-flex;
	justify-content: center;
	align-items: center;
	width: 0;
	height: 0;
	font-size: calc(var(--¾fem) * 1.33);
}

#js-pageBtnGroup .icon::before {
	position: relative;
	top: 1px;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 0;
	height: 0;
	font-size: 100%;
	/* Material Symbols */
	font-family: 'Material Symbols Sharp';
	font-variation-settings:
		'FILL' 0,
		'wght' 300;
}

#js-pageBtnGroup .icon.ico-arrow_top::before {
	content: "\e25a";
}

#js-pageBtnGroup .icon.ico-arrow_up::before {
	content: "\e698";
}

#js-pageBtnGroup .icon.ico-arrow_down::before {
	content: "\e69b";
}

#js-pageBtnGroup .icon.ico-arrow_bottom::before {
	content: "\e258";
}

/* .is-rolleached */
#js-pageBtnGroup:not(.is-square).is-rolleached {
	background: transparent;
	box-shadow: none;
}

#js-pageBtnGroup:not(.is-square).is-rolleached>:is(.pageBtn-up,
	.pageBtn-down,
	.pageBtn-bottom) {
	opacity: 0;
	pointer-events: none;
}

#js-pageBtnGroup:not(.is-square).is-rolleached>.pageBtn-top {
	align-items: end;
	background: transparent;
	color: var(--c-text, hsl(223, 6%, 13%));
	box-shadow: none;
}

#js-pageBtnGroup:not(.is-square).is-rolleached>.pageBtn-top::after {
	position: relative;
	top: 3.2em;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 0;
	height: 0;
	-webkit-text-orientation: mixed;
	text-orientation: mixed;
	-webkit-font-feature-settings: "pkna";
	font-feature-settings: "pkna";
	-webkit-writing-mode: vertical-rl;
	-ms-writing-mode: tb-rl;
	writing-mode: vertical-rl;
	white-space: nowrap;
	content: "PAGE TOP";
}

#js-pageBtnGroup:not(.is-square).is-rolleached .icon.ico-arrow_top::before {
	content: "\e5d8";
	font-variation-settings: 'wght' 700;
	font-weight: 700;
}

#js-pageBtnGroup:not(.is-square).is-rolleached>.pageBtn-top::after {
	font-family: 'YakuHanJP', 'Poppins', 'Noto Sans JP', sans-serif;
	font-size: 1.3pc;
	font-variation-settings: 'wght' 700;
	font-weight: 700;
}




/* デバッグモード */
#js-pageBtnGroup:not(.is-debug)>:is(.pageBtn-up-1px,
	.pageBtn-down-1px) {
	display: none;
}

#js-pageBtnGroup .icon.ico-arrow_up_1px::before {
	content: "\e698";
	font-size: 65%;
}

#js-pageBtnGroup .icon.ico-arrow_down_1px::before {
	content: "\e69b";
	font-size: 65%;
}





/* .is-square */
#js-pageBtnGroup.is-square {
	box-shadow: none;
}

#js-pageBtnGroup.is-square>.pageBtn {
	max-width: none;
}

#js-pageBtnGroup.is-square>.pageBtn-top {
	background: var(--c-accent);
	color: #FFF;
	box-shadow: hsla(223, 6%, 0%, 0.35) 0px 5px 15px;
}

#js-pageBtnGroup.is-square .icon.ico-arrow_top::before {
	content: "\e698";
}