@charset "UTF-8";
/* CSS Document */

body,html {
	margin: 0;
	padding: 0;
	position: relative;
	height: 100%;
	background-color: #000;
}

div {
	padding: 0;
	margin: 0 auto;
	width: 100%;
	height: 100vh;
	background-size: contain;
	background-attachment: fixed;
	background-position: 50% 50%;
	background-repeat: no-repeat;
	box-sizing: border-box;
	position: relative;
	overflow: hidden;
}

.bg01, .bg02, .bg03, .bg04, .bg05, .bg06, .bg07, .bg08, .bg09, .bg10 {
	position: fixed;
	height: 150vw;
	z-index: -1;
	bottom: 0;
	top: 0;
	margin: auto;
	opacity: 0;
	transition: 2s;
}

/*Slide c6_1*/
.bg01 {
	background-image: url("img/c6_1_sp_compress.jpg");
	opacity: 1;
	transform: translateY(-10vh);
	transition: 4s;
	z-index: 1;/**HTMLに記載の順番で下げていく**/
}
.bg01.bgload {
	transform: translateY(0);
}
.bg01.bgon {
	transform: scale(1.2);
}

/*Slide c6_2*/
.bg02 {
	background-image: url("img/c6_2_sp_compress.jpg");
	z-index: 2;
}

/*Slide c6_3*/
.bg03 {
	background-image: url("img/c6_3_sp_compress.jpg");
	z-index: 3;
}

/*Slide c6_4*/
.bg04 {
	background-image: url("img/c6_4_sp_compress.jpg");
	z-index: 4;
}

/*Slide c6_5*/
.bg05 {
	background-image: url("img/c6_5_sp_compress.jpg");
	background-position: 0 50%;
	z-index: 5;
}

/*Slide c6_6*/
.bg06 {
	background-image: url("img/c6_6_compress.jpg");
	z-index: 6;
}

/*Slide c6_7*/
.bg07 {
	background-image: url("img/c6_7_compress.jpg");
	z-index: 7;
}

/*Slide c6_8*/
.bg08 {
	background-image: url("img/c6_8_compress.jpg");
	z-index: 8;
}

/*Slide c6_9*/
.bg09 {
	background-image: url("img/c6_9_sp_compress.jpg?20250421");
	z-index: 9;
}

.contents {
	background-color: transparent;
	height: 100vh;
	text-align: center;
	z-index: 10;
}

.contents .center {
	display: inline-block;
	position: relative;
	top: 50%;
	transform: translateY(-50%);
}
	
.h50 {
	height: 50vh;
}
.z10 {
	z-index: 10;
	position: absolute;
	top: 0;
	bottom: 0;
	margin: auto;
}

.bk_img {
	width: 100%;
	height: auto;
}

section.controller {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	z-index: 10;
	background: rgb(0,0,0);
	background: linear-gradient(0deg, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
	transition: 0.8s;
}
.scroll-button {
	background-color: transparent;
	color: white;
	width: 14.4vw;
	height: 14.4vw;
	padding: 0;
	border: none;
	cursor: pointer;
	user-select: none;
	transition: 0.3s;
}
.scroll-button.active {
	opacity: 0.33;
}
.bgm-button {
	font-size: 20px;
	padding: 10px 20px;
	margin: 20px;
	cursor: pointer;
}
.totop {
	display: flex;
	justify-content: flex-end;
	height: 90px;
	width: 100%;
	position: relative;
	bottom: 0;
	z-index: 10;
	pointer-events: none;
}
.totop_btn {
	display: block;
	height: 40px;
	width: 22vw;
	margin-right: 12px;
	color: #fff;
	background-color: #000;
	border: 1px #fff solid;
	border-radius: 15px;
	text-align: center;
	line-height: 40px;
	font-size: 12px;
	font-weight: 600;
	text-decoration: none;
	transition: 0.3s;
	white-space: nowrap;
	pointer-events: auto;
}
.totop_btn:hover {
	opacity: 0.33;
}
#playPauseButton {
	display: flex;
	justify-content: center;
	align-items: center;
	background-color: #2cd9ef;
	color: #000;
	font-size: 14px;
	font-weight: 600;
	width: 46vw;
	height: 32px;
	padding: 0;
	margin: 0.5em auto;
	border: none;
	cursor: pointer;
	border-radius: 16px;
	user-select: none;
	white-space: nowrap;
	transition: 0.3s;
}
#playPauseButton.playing {
	color: #fff;
	width: 40vw;
}
#playPauseButton .bgm_icons {
	display: block;
	width: 4vw;
	height: 4vw;
	margin-right: 0.2em;
}
#playPauseButton.playing .bgm_icons {
	margin-left: 0.2em;
}
#playPauseButton .s {
	display: block;
	font-size: 12px;
	font-weight: 300;
	margin-left: 0.2em;
}
#playPauseButton .playing_icons {
	display: block;
	width: 8.8vw;
	height: 6.13vw;
	margin-right: 0.2em;
}
@media (min-width: 768px) {
	div {
		height: 100%;
	}
	.contents {
		height: auto;
	}
	.bk_img {
		width: 60%;
	}
	.left {
		margin-left: -40%;
	}
	.right {
		margin-left: 40%;
	}
	.bg09 {
		background-size: 60% auto;
		background-color: #eaeff1;
	}
	#playPauseButton {
		font-size: 16px;
		line-height: 32px;
		margin-top: 0;
	}
	#playPauseButton .bgm_icons {
		width: 23px;
		height: 23px;
	}
	#playPauseButton .s {
		font-size: 14px;
	}
	#playPauseButton .playing_icons {
		width: 33px;
		height: 23px;
	}
	.totop_btn {
		font-size: 15px;
	}
	section.controller.onbottom {
		background: #000000;
		background: linear-gradient(0deg, rgba(0, 0, 0, 0.33) 50%, rgba(0, 0, 0, 0) 100%);
	}
	.scroll-button {
		width: 98px;
		height: 98px;
		transition: 0.4s;
	}
	.scroll-button.onbottom {
		opacity: 0;
	}
}

/* for pc safari. copy from @media (min-width: 768px) */
	.ispc .contents {
		height: auto;
	}
	.ispc .bk_img {
		width: 60%;
	}
	.ispc .left {
		margin-left: -40%;
	}
	.ispc .right {
		margin-left: 40%;
	}
	.ispc .bg09 {
		background-size: 60% auto;
		background-color: #eaeff1;
	}
	.ispc #playPauseButton {
		font-size: 16px;
		line-height: 32px;
		margin-top: 0;
	}
	.ispc #playPauseButton .bgm_icons {
		width: 23px;
		height: 23px;
	}
	.ispc #playPauseButton .s {
		font-size: 14px;
	}
	.ispc #playPauseButton .playing_icons {
		width: 33px;
		height: 23px;
	}
	.ispc .totop_btn {
		font-size: 15px;
	}
	.ispc section.controller.onbottom {
		background: #000000;
		background: linear-gradient(0deg, rgba(0, 0, 0, 0.33) 50%, rgba(0, 0, 0, 0) 100%);
	}
	.ispc .scroll-button {
		width: 98px;
		height: 98px;
		transition: 0.4s;
	}
	.ispc .scroll-button.onbottom {
		opacity: 0;
	}