/* reset */

*,
*::before,
*::after{
	box-sizing: border-box;
}

ol[class],
ul[class],
li[class]{
	margin: 0;
	padding: 0;
	list-style: none;
}

button {
	padding: 0;
	border: none;
	outline: none;
	font: inherit;
	color: inherit;
	background: none
}

:root {
  --text-color:#6a85d1;
  --base-color:#6a85d1;
  --bg-color:#e8f1ff;
}


img {
	max-width: 100%;
	height: auto;
}

/**/

body{
	margin:0;
	padding: 0;
	font-size: 16px;
	line-height: 1.6;
	font-family: "Noto Sans JP", sans-serif;
	font-optical-sizing: auto;
	font-weight: 300;
	font-style: normal;
}

/* font */

.cinzel{
	font-family: "Cinzel", serif;
	font-optical-sizing: auto;
	font-weight: 450;
	font-style: normal;
}

.windsong{
	font-family: "WindSong", cursive;
	font-weight: 400;
	font-style: normal;
}

/* loading */

#loader {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100vh;
	background-color: var(--bg-color); /* 💡サイトのテーマカラー（薄緑）にするのが馴染みやすくておすすめ */
	z-index: 9999;             /* 💡固定ヘッダー（1000）よりも遥き手前に重ねる */
	display: flex;
	justify-content: center;
	align-items: center;
}

.loader-text {
	font-size: 20px;
	font-weight: bold;
	color: var(--text-color);
	letter-spacing: 0.1em;
	animation: pulse 1.5s infinite ease-in-out;
}


@keyframes pulse {
	0%, 100% { opacity: 0.5; }
	50% { opacity: 1; }
}

/* header footer */

header{
	position: fixed;
	z-index: 100;
	background-color: rgba(255, 255, 255, 0.70);
	width: 100%;
	margin:0;
	padding: 0;
	top:0;
}

header #header-inner{
	margin:0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

header h1{
	margin:0 0 0 15px;
	display: flex;
	justify-content: center;
	align-items: center;
	height: 46px;
}

header h1 a{
	display: flex;
	flex-direction: column;
	justify-content: flex-start;
	align-items: flex-start;
	text-decoration: none;
	color: #000;
	height: auto;
}

header h1 img{
	display: block;
	height: auto;
	margin:0;
	height:10px;
}

header h1 span{
	font-size:10px;
	margin-left: 10px;
	font-weight:200;
	color: var(--text-color);
}

header.open nav.nav-menu {
	opacity: 1;
	visibility: visible;
}

.nav-menu {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100vh;
	background-color: rgba(220, 228, 250, 0.95);
	z-index: 999;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s ease, visibility 0.4s ease;
	padding-top: 50px;
}

.nav-menu a{
		background-color: var(--base-color);
		padding: 5px;
		margin-bottom:10px;
		color: #fff;
		text-decoration: none;
		display: block;
		margin: 10px 20px;
		text-align: center;
}

.nav-toggle {
	display: block;
	position: absolute;
	right:15px;
	top: 12px;
	z-index: 1000;
}

.nav-toggle span {
	display: block;
	width: 30px; height: 2px;
	background-color: var(--text-color);
	margin-bottom: 6px;
	transition: transform 0.3s ease;
}

header.open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
header.open .nav-toggle span:nth-child(2) { opacity: 0; }
header.open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (min-width: 1000px) {
	
	header{
		position: fixed;
		z-index: 100;
		background-color: rgba(255, 255, 255, 0.70);
		width: 100%;
		margin:0;
		padding: 0;
		top:0;
		height: 46px;
	}

	header h1 a{
		font-size: 16px;
		display: flex;
		justify-content: center;
		align-items: center;
		flex-direction: row;
		margin:0;
	}

	header h1 img{
		display: block;
		width: 250px;
		height: auto;
	}
	
	header h1 span{
		font-weight: 200;
		font-size: 10px;
		display: block;
		margin-left: 10px;
	}

	.nav-toggle {
		display: none;
	}
	
	.nav-menu {
		position: static;
		width: auto;
		height: auto;
		opacity: 1;
		visibility: visible;
		background-color: transparent;
		margin-right:15px;
		padding-top: 0;
	}


	.nav-menu a{
			background-color: transparent;
			padding: 0;
			margin-bottom:0;
			text-decoration: none;
			margin:0;
	}

	header nav.nav-menu ul{
		display: flex;
		justify-content: space-between;
		gap:20px;
	}

	header nav.nav-menu ul li{
		padding: 10px;
		display: flex;
		justify-content: center;
		align-items: center;
	}
	
	header nav.nav-menu ul li a{
		text-decoration: none;
		color: #000;
		font-size: 13px;
	}
	
	header nav.nav-menu ul li a:hover{
		color: var(--text-color);
		transition: all 0.2s ease;
	}

}

/* footer */

footer nav#footer-nav .tab{
	display: none;
}

footer nav#footer-nav .tab.pp{
	display: block;
}

footer nav#footer-nav ul li{
	padding: 10px;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 13px;
}

footer nav#footer-nav ul li a{
	text-decoration: none;
	color: #000;
	white-space: nowrap;
}

footer nav#footer-nav ul li a:hover{
	color: var(--text-color);
	transition: all 0.2s ease;
}

footer{
	text-align: center;
	padding-bottom:10px;
}

@media (min-width: 1000px) {

	footer{
		text-align: center;
		padding: 20px 0;
	}

	footer nav#footer-nav{
		display: block;
	}
	
	footer nav#footer-nav ul{
		display: flex;
		justify-content: space-between;
		gap:5px;
		max-width: 800px;
		margin:0 auto 20px auto;
	}
	
	footer nav#footer-nav .tab{
		display: block;
	}
	

}

/* Main */


main{
	position: relative
}

/* KV */


#kv{
	margin:0 auto;
	background-color: transparent;
	position: relative;
	padding-top: 46px;
	overflow: hidden;
}


#kv h2.kv-title{
	font-size: 20px;
	text-align: center;
	position: relative;
 }

#kv h2.kv-title .sub{
	position: absolute;
	display: block;
	font-size: 15px;
	bottom:-10px;
	color: #d3dcf5;
	left:50%;
	transform: translate(-50%, 0);
	mix-blend-mode:multiply;
}

#kv h2 img{
	display: block;
	width: 100%;
	height: auto;
}

#kv #upper,
#kv #lower{
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	overflow: hidden;
}

#kv #upper{
	gap:0px;
	margin:0 auto 20px auto;
	background:url(../img/staraudition/bg_star.jpg) left center / cover;
	will-change: transform;
	position: relative;
}

#kv #upper:after{
	content:"";
	position: absolute;
	display: block;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: url(../img/staraudition/kirakira.jpg) right bottom /contain;
	pointer-events: none; 
	mix-blend-mode: screen;
	opacity: var(--kirakira-op);
	transform: scale(var(--kirakira-scale));
	animation: yurayura 8s ease-in-out infinite alternate;
}

#kv #lower{
	max-width: 1000px;
	gap:0;
	padding-bottom:0px;
	position: relative;
	background-color: #fff;
	margin:0 auto;
	background:url(../img/staraudition/bg_star.jpg) left center / cover;
}


#kv #lower:after{
	content:"";
	position: absolute;
	display: block;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: url(../img/staraudition/kirakira.jpg) center bottom / contain;
	pointer-events: none; 
	mix-blend-mode: screen;
	opacity: var(--kirakira-op);
	transform: scale(var(--kirakira-scale));
	animation: yurayura 8s ease-in-out infinite alternate;
}


@keyframes yurayura {
	/* --------------------------------------------------
	   1回目：右下（初期位置）でピカッと光る
	   -------------------------------------------------- */
	0% {
		background-position: right bottom; /* スタート位置 */
		filter: brightness(0.2) contrast(1);
		transform: scale(var(--kirakira-scale)) rotate(0deg);
	}
	15% {
		filter: brightness(1.4) contrast(1.4); /* 💡 ピカッと発光！ */
	}
	30% {
		filter: brightness(0) contrast(1); /* 💡 一度完全に消頭（真っ黒） */
		background-position: right bottom; 
	}

	/* --------------------------------------------------
	   2回目：消えている隙に【左上】へワープしてピカッ！
	   -------------------------------------------------- */
	31% {
		background-position: left bottom; /* 💡 位置を瞬時に切り替え */
	}
	45% {
		filter: brightness(1.2) contrast(1.3); /* 💡 別の場所でピカッ！ */
	}
	60% {
		filter: brightness(0) contrast(1); /* 💡 また完全に消灯 */
		background-position: left bottom;
	}

	/* --------------------------------------------------
	   3回目：消えている隙に【中央】へワープしてピカッ！
	   -------------------------------------------------- */
	61% {
		background-position: center center; /* 💡 位置を瞬時に切り替え */
	}
	75% {
		filter: brightness(1.4) contrast(1.4); /* 💡 別の場所で強めにピカッ！ */
		transform: scale(calc(var(--kirakira-scale) * 1.03)) rotate(1deg);
	}
	90% {
		filter: brightness(0) contrast(1); /* 💡 また完全に消灯 */
		background-position: center center;
	}

	/* --------------------------------------------------
	   4回目：消えている隙に【右上】へワープして終わり
	   -------------------------------------------------- */
	91% {
		background-position: right top; /* 💡 位置を瞬時に切り替え */
	}
	100% {
		filter: brightness(1.2) contrast(1.2); /* 💡 最後の瞬き */
		background-position: right top;
		transform: scale(var(--kirakira-scale)) rotate(-0.5deg);
	}
}

#kv #upper .u-img{
	clip-path: polygon(15% 0%, 100% 0%, 85% 100%, 0% 100%);
	margin-right: -5%;
}

#kv #upper .u-img:last-child {
	margin-right: 15px
}

#kv #upper img,
#kv #lower img{
	display: block;
	width:0;
	flex: 1;
	min-width: 0;
}

.catch{
	font-family: "Zen Old Mincho", serif;
	font-weight: 400;
	font-style: normal;	
	width: 20%;
	font-size: 10px;
	padding: 10px 20px;
	display: flex;
	flex-direction: column;
	align-items:flex-end;
	justify-content: center;
}

.en-btn{
	position: fixed;
	bottom:10px;
	right:10px;
	width: 130px;
	height: 130px;
	color: #fff;
	z-index: 1000;
	transition: transform 0.2s ease, opacity 0.2s ease;
}

.en-btn a{
	display: flex;
	justify-content: center;
	align-content: center;
	flex-direction:column;
	text-align: center;
	text-decoration: none;
	color: #fff;
	width: 100%;
	height: 100%;
	border-radius: 50%;
	background-color: rgba(107, 134, 208, 0.9); 
}

.en-btn a:hover{
	filter: brightness(1.1);
	transition: transform 0.3s ease;

}

.en-btn a .txt-en{
	display: block;
	font-size:30px;
}

.en-btn a .txt-jp{
	margin:0;
	font-size: 12px;
}

.en-btn a .arrow-line {
	display: inline-block;
	position: relative;
	width: 60px;
	height: 1px;
	background-color: #fff;
	vertical-align: middle;
	margin:20px auto;
}

.arrow-line::after {
	content: "";
	position: absolute;
	top: 50%;
	right: 0;
	width: 10px;
	height: 10px;
	border-top: 1px solid #fff;
	transform: translateY(-50%) rotate(45deg);
}



@media (min-width: 1000px) {
	#kv #upper {
		margin: 0 auto;
	}
	
	.catch{
		font-size: 26px;
	}
	
	#kv h2.kv-title{
		font-size: 45px;
	 }

	#kv h2.kv-title .sub{
		bottom:-30px;
		font-size: 40px;
	}

	#kv #upper .u-img:last-child {
		margin-right: -15px;
	}
	
	#kv #lower{
		margin-bottom:46px;
	}

	.en-btn{
		position: fixed;
		top:60%;
		right:30px;
		width: 170px;
		height: 170px;
		color: #fff;
		transform: translate(0, -50%);
		z-index: 1000;
	}

}


section h3{
	color: var(--text-color);
	font-size: 30px;
	text-align:center;
	margin:0 0 30px 0;
	font-weight: 300;
}

section .box{
	padding: 0 20px;
	box-sizing: border-box;
}

@media (min-width: 1000px) {
	section .box{
		max-width: 1200px;
		margin:0 auto;
		padding: 0 20px;
	}	
}

section.cont:nth-child(odd){
	padding: 60px 0 80px 0;
	background-color: #e8f1ff; 
	background-image:
	radial-gradient(circle at 85% 15%, rgba(224, 222, 255, 0.8) 0%, rgba(224, 222, 255, 0) 35%),
	radial-gradient(circle at 15% 85%, rgba(224, 222, 255, 0.4) 0%, rgba(224, 222, 255, 0) 30%),
	radial-gradient(circle at 50% 50%, #ffffff 0%, rgba(255, 255, 255, 0) 60%);	background-blend-mode: normal;
}

section.cont:nth-child(even){
	padding: 60px 0 80px 0;
	background-color: #fff;
}


/* NEWS */

#news-area .body {
}

.accordion-toggle {
	width: 100%;
	text-align: left;
	padding: 10px 20px;
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
	cursor: pointer;
	border-bottom: 1px solid var(--base-color);
}

.accordion-toggle .date {
	font-weight: 600;
	margin-right: 15px;
	color: var(--text-color);
}

.accordion-toggle .title {
	flex: 1;
	font-size: 16px;
}

.accordion-toggle .icon {
	font-size: 18px;
	transition: transform 0.3s ease;
	color: var(--text-color);
}

.accordion-content {
	height: 0;
	overflow: hidden;
}


.accordion-inner {
	padding: 10px 20px 20px 20px;
}

.accordion-toggle.is-active .icon {
	transform: rotate(45deg);
}


/* ABOUT */

section#about-area{
	text-align: center
}

/* SCHEDULE */

section#schedule-area{
	
}

section#schedule-area .step-list{
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	gap:30px;
}

section#schedule-area .step{
	background-color: #fff;
	padding: 15px;
	width:100%;
	position: relative;
}

section#schedule-area .step::after {
	content: "";
	display: block;
	width: 0;
	height: 0;
	border-left: 12px solid transparent;
	border-right: 12px solid transparent;
	border-top: 15px solid var(--base-color);
	position: absolute;
	left:50%;
	bottom:-23px;
	transform: translate(-50%, 0);
}

section#schedule-area .step h4{
}

section#schedule-area .step .nr{
	margin:5px 0;
}

section#schedule-area .step .nr::before{
	content:"※";
	color: var(--text-color);
	font-weight: bold;
}

section#schedule-area .step:last-child::after {
	border:none;
}


@media (min-width: 800px) {
	section#schedule-area .step-list{
		flex-direction: row;
		align-items: stretch;
		gap:30px;
	}

	section#schedule-area .step{
		flex: 1;
		width: 0;
		background-color: #fff;
		padding: 15px;
		align-items: strech;
	}

	section#schedule-area .step::after {
		border-top: 12px solid transparent;
		border-bottom: 12px solid transparent;
		border-left: 15px solid var(--base-color);
		border-right:none;
		top: 50%;
		left:calc(100% + 7px);
		bottom:auto;
		transform: translate(0, -50%);
	}
	
	section#schedule-area .step:last-child::after {
		border:none;
	}
	
	section#schedule-area .step .step-card{
		display: flex;
		flex-direction: column;
	}
	
	section#schedule-area .step .txt{
		flex-grow: 1;
		font-size: 13px;
	}
}


section#schedule-area .step .label{
	background-color: var(--base-color);
	color: #fff;
	font-weight: bold;
	display: inline-block;
	padding: 5px 10px;
}


section#description-area .entry-btn a{
	background-color: #06c755;
	color: #fff;
	padding: 15px;
	text-align: center;
	display: block;
	text-decoration: none;
	font-weight: bold;
	font-size: 26px;
	animation: katakata 6s infinite;
}

@keyframes katakata {
	0%, 85% { transform: translateX(0); }
	
	87% { transform: translateX(-2px); }
	89% { transform: translateX(2px); }
	91% { transform: translateX(-2px); }
	93% { transform: translateX(2px); }
	95% { transform: translateX(-1px); }
	97% { transform: translateX(1px); }
	99%, 100% { transform: translateX(0); }
}

section#description-area .entry-btn a:hover{
	filter: brightness(1.1);
	transition: transform 0.3s ease;
}


section#panel-area .list{
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction:column;
	gap:30px;
	width: 100%;
}

section#panel-area img{
	display: block;
	width: 70%;
	height: auto;
	margin:0 auto;
}

section#panel-area a:hover{
	opacity: 0.6;
	transition: transform 0.3s ease;
}

@media (min-width: 1000px) {
	section#panel-area .list{
		flex-direction: row;
		gap:60px;
	}
	
	section#panel-area img{
		display: block;
		width: 200px;
	}
	
}	

section#company-area .company-tb{
	max-width: 800px;
	margin:0 auto;
	border-collapse: collapse;
}

section#company-area .company-tb a{
	color: var(--text-color);
}

section#company-area .company-tb tr{
}

section#company-area .company-tb th{
	vertical-align: top;
	white-space: nowrap;
}

section#company-area .company-tb th,
section#company-area .company-tb td{
	padding: 15px;
}

section#company-area .company-tb address{
	font-style:normal;
}