@charset "UTF-8";
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video, header, footer {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  text-align: left; 
	color: #e7e8cf;
	letter-spacing:2px;
}

a{
	text-decoration: none;
	color: inherit;
}

body { 
  color: #333333;
	overflow-x: hidden!important;
	font-family: "Noto Sans Japanese", sans-serif;
}

ul{
	list-style: none;
}

html {
  background-size:100%/*横幅の値*/ auto/*高さの値*/;
  background-repeat: repeat-y;
  position: relative;
  width: 100%; 
	background-attachment: fixed;
}

  @media screen and (min-width: 1201px) {
	  html {
		  background-image: url("../img/SquareEffect_01.png") , repeating-linear-gradient(0deg, #0d1923 0px, #0d1923 3px, #1c2e38 3px, #1c2e38 8px);
		box-shadow:inset 0 0 300px 60px rgba(100, 211, 224, 0.2);
		box-shadow:inset 0 0 300px 60px rgba(100, 211, 224, 0.2);
	  }
    html .br-sp {
      display: none; 
	  } 
}

@media screen and (max-width: 1200px) {
    html {
		font-size: 10px;
		font-size: 1.0rem; 
		background-image: url("../img/SquareEffect_sp_01.png") , repeating-linear-gradient(0deg, #0d1923 0px, #0d1923 3px, #1c2e38 3px, #1c2e38 8px);
		box-shadow:inset 0 0 30px 60px rgba(100, 211, 224, 0.2);
		background-position:bottom;
		overflow-x: hidden!important;
	}
    html .br-pc {
        display: none; 
	} 
	html+.kids{
		background-image: url("../img/SquareEffect_sp_02.png") , repeating-linear-gradient(0deg, #0d1923 0px, #0d1923 3px, #1c2e38 3px, #1c2e38 8px);
	}
}

/*==================================================
headerのためのcss
===================================*/

@media screen and (min-width: 1201px) {
	.pc-menu{
		display: flex;
		justify-content: space-between;
		padding: 15px 0px 15px 0;
		background-color: #191e24;
	}
	.sp-menu{
    display: none;
	}
}

@media screen and (max-width: 1200px) {
	.sp-menu{
		display: flex;
		padding: 15px 0px 0px 0px;
		text-align: center;
		background-color: #191e24;
	}
	.pc-menu{
    display: none;
	}
}

header {
}

.logo {
  background-color: #fffce4;
  margin: 5px;
	box-shadow: 0 0 5px 5px rgba(14, 77, 71, 0.7);
}

@media screen and (max-width: 1200px) {
	.logo {
		margin: 60px 0 5px 0;
		width: 100%;
		box-shadow: none;
	}		
}

.logo:hover {
  opacity: 0.6;
    transition: opacity .7s;
}

.logo img{
	margin: 5px 20px 0px 20px;
}

header ul {
  margin: 0;
  padding: 0;
	display: flex;
	gap: 20px;
}

header .pcmenu{
	margin-left: -300px;
	margin-top: 10px;
}

header .pcmenu li{
	width:200px;
	text-align: center;
}

header .pcmenu a{
  margin-inline: auto;
  position: relative;
}

header .pcmenu a img {
  height: 44px;
  position: absolute;
  width: auto;
}

/* 2枚目の画像は最初透明 */
header .pcmenu a img:last-of-type {
  opacity: 0;
  transition: opacity .7s;
}

/* hoverすると2枚目の画像が透明じゃなくなる */
header .pcmenu a:hover img {
  opacity: 1;
}

.pc-menu .sns {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-right: 20px; 
	margin-top: 10px;
}

.pc-menu .sns img:hover {
  opacity: 0.6;
    transition: opacity .7s;
}






/* メニューのスタイル */
.spmenu {
  position: fixed;
  top: -2000px;/* 初期状態では画面の外に隠れている */
  right: 0%; 
  width: 100%;
  height: 100%;
  background-color: rgba(16, 20, 25, 0.95);
  transition: top 0.6s ease; /* スライドインのアニメーション */
  box-sizing: border-box;
  z-index: 50;
}

/* メニューが開いているとき */
.spmenu.open {
  top: 0;
}

/* ボタンのスタイル */
.hamburger {
  position: fixed;
  top: 10px;
  right:20px;
  width: 40px;
  cursor: pointer;
  z-index: 20;
}

.hamburger span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: #fffce4;
  margin-top: 10px;
  transition: 0.4s;
	box-shadow: 0 0 2px 2px rgba(255, 252, 228, 0.5);
}

.hamburger p{
	font-size: 0.7rem;
	text-align: center;
	margin-top: 2px;	
}

/* バツ印に変化するスタイル */
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(10px, -8px);
}

/* メニューリストのスタイル */
.spmenu ul {
	display: block;
}

.spmenu li {
  margin: 40px 0;
	background-image: linear-gradient(to right, rgba(0, 167, 145, 0), rgba(0, 167, 145, 0.8), rgba(0, 167, 145, 0));
	background-repeat: no-repeat;
	background-size: 100% 2px;
	background-position: bottom;
	text-align: center;
}

.spmenu .sns{
	text-align: center;
	display: block;
	margin: 50px auto;
}

.spmenu .sns a{
	margin: 0 30px;
}

.spichi{
	position: absolute;
  top: 50%;
  left: 50%;
  transform: translateY(-50%) translateX(-50%);
  -webkit- transform: translateY(-50%) translateX(-50%);
}

.spichi .logo{
	display: block;
}




/*==================================================
TOPスライダーのためのcss
===================================*/
.slider {
  /*横幅94%で左右に余白を持たせて中央寄せ*/
  width: 100%;
  margin: auto 0; 
	background-color: #080c10;
	padding: 20px 0;
	box-shadow: 0 3px 5px -1px rgba(8, 12, 16, 0.7);
}

@media screen and (max-width: 1200px) {
	.slider {
		padding: 10px 0;
	}
}

.slider img {
  width: 100%;
  height: auto;
  margin: 5px 0;
  box-shadow: 0 0 5px 3px rgba(14, 77, 71, 0.7);
	border-radius: 5px;
}

@media screen and (max-width: 1200px) {
	.slider img {
		margin: 0px;
		box-shadow: none;
	}
}

.slider .slick-slide {
  transform: scale(0.8);
  /*左右の画像のサイズを80%に*/
  transition: all .5s;
  /*拡大や透過のアニメーションを0.5秒で行う*/
  opacity: 0.5;
  /*透過50%*/ }

.slider .slick-slide.slick-center {
  transform: scale(1);
  /*中央の画像のサイズだけ等倍に*/
  opacity: 1;
  /*透過なし*/ }

@media screen and (max-width: 1200px) {
	.slider .slick-slide {
		transform: unset;
		width:100vw;
	}
}

/*矢印の設定*/
/*戻る、次へ矢印の位置*/
.slick-prev,
.slick-next {
  position: absolute;
  /*絶対配置にする*/
  top: 50%;
  cursor: pointer;
  /*マウスカーソルを指マークに*/
  outline: none;
  /*クリックをしたら出てくる枠線を消す*/
  border-top: 10px solid #fffce4;
  /*矢印の色*/
  border-right: 10px solid #fffce4;
  /*矢印の色*/
  height: 40px;
  width: 40px;
  z-index: 10; }

@media screen and (max-width: 1200px) {
	.slick-prev,
	.slick-next {
		display: none !important; 
	}
}

.slick-prev {
  /*戻る矢印の位置と形状*/
  left: 3%;
  transform: rotate(-135deg); }

.slick-next {
  /*次へ矢印の位置と形状*/
  right: 3%;
  transform: rotate(45deg); }


/*==================================================
mainのためのcss
===================================*/


main {
  width: 1200px;
  margin:0 auto ;
  padding: 60px 0; 
  background-color: rgba(21, 37, 49, 0.7);
  box-shadow: 0 0 3vw 3vw rgba(21, 37, 49, 0.7);
}

@media screen and (max-width: 1200px) {
	main {
		width: 85%;
		background-color: rgba(21, 37, 49, 0.6);
		box-shadow: 0 0 6vw 6vw rgba(21, 37, 49, 0.6);
	}
}

h2 {
  position: relative;
  padding: 0 0 0 25px;
	line-height: 0;
}

@media screen and (max-width: 1200px) {
	h2{
		padding-left: 3.5vw;
	}
}

@media screen and (max-width: 1200px) {
	h2 img{
		height: 10vw;	
		max-height: 56px;
	}
}

h2:before{
  position: absolute;
  content: '';
  width: 17px;
  height: 17px;
  margin: auto 0;
	top: 0;
	bottom: 0;
  left: 3px;
	background-color: #00A791;
	box-shadow: 0 0 5px 3px rgba(0, 167, 145, 0.7);
	border-radius: 2px;
}

@media screen and (max-width: 1200px) {
	h2:before {
		left: 0px;
		width: 3.5vw;
  		height: 3.5vw;
		max-width: 17px;
		max-height: 17px;
	}
}

.h2bar+.br-sp{
	width: 100%;
	max-width: 600px;
}

main .list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
  margin: 30px 0; 
}

main .list li {
  width: calc(33.33% - 50px); 
	height: auto;
	box-shadow: 0 0 6px 5px rgba(14, 77, 71, 0.7);
	margin: 10px 20px;
	background-color: rgba(45, 52, 54, 0.4);
	border-radius: 5px;
}

@media screen and (max-width: 1200px) {
	main .list li {
		width: 100%; 
		margin: 20px 0px 40px 0px;
	}
}

main .list li:hover{
	opacity: 0.6;
}

main .list li img{
	width: 100%;
	height: auto;
	border-radius: 5px 5px 0 0;
}

main .list li p {
  margin: 10px 20px;
}

main .list li h3 {
  margin: 10px 20px;
	font-size: 1.2rem;
}

main .all{
	text-align: right;
	width: 100%;
	margin: 20px 0;
}

@media screen and (max-width: 1200px) {
	main .all{
		text-align: center;
	}
}

main .list .more{
	text-align: right;
}

main .list .more p{
	position: relative;
    display: inline-block;
	margin-right: 40px;
	color: #74f5c3;
	font-weight: bold;
}

main .list .more p::after{
    content: '';
    width: 8px;
    height: 8px;
    margin-top: -6px;
    border-top: solid 2px #74f5c3;   /* 好みで色を変えてください */  
    border-right: solid 2px #74f5c3;   /* 好みで色を変えてください */  
    transform: rotate(45deg);
    position: absolute;
    top: 50%;
    right: -15px;
}



.news,
.title,
.about{
	margin: 100px 0 200px 0;
}

@media screen and (max-width: 1200px) {
	.news,
	.title,
	.about{
		margin: 60px 0 10px 0;
	}
}

.all a{
	cursor: pointer;
  margin-inline: auto;
  margin-top: 20px;
  position: relative;
}

.all a img {
  height: auto;
  right: 5px;
  position: absolute;
  width: 262px;
}

@media screen and (max-width: 1200px) {
	.all a img {
		position: relative;
		right: auto;
	}
}

/* 2枚目の画像は最初透明 */
.all a img:last-of-type {
  opacity: 0;
  transition: opacity .7s;
}

/* hoverすると2枚目の画像が透明じゃなくなる */
.all a:hover img {
  opacity: 1;
}

.cr {
  right: -15px !important;
}

@media screen and (max-width: 1200px) {
	.cr {
  	right: auto !important;
	}
}



.about .concept{
	margin: 40px 20px;
}

@media screen and (max-width: 1200px) {
	.about .concept{
	margin: 40px 0px;
	}
}

.function{
	background-color: rgba(255, 255, 255, 0.15);
	padding: 30px 40px;
	margin: 20px 0;
	border-radius: 10px;
}

.about p{
	line-height: 2;
}

.aboutlogo{
	background-color: #fffce4;
	max-width: 326px;
}

@media screen and (max-width: 1200px) {
	.aboutlogo{
		width: 100%;
	}
}

.bold{
	margin: 20px 0;
	font-weight: 600 !important;
	font-size: 1.2rem !important;
	line-height: 1.5;
}


/*==================================================
footerのためのcss
===================================*/

footer {
  background-color: #111212;
  width: 100%;
  padding: 30px 0; 
}

.footer_wrapper {
  width: 1200px;
  text-align: center;
  margin: auto; 
}

@media screen and (max-width: 1200px) {
	.footer_wrapper {
		width: 85%;	
	}
}
	
.footer_wrapper div{
	text-align: center;
}

.footer_wrapper .artdink_logo{
	margin: 20px auto;
}

@media screen and (max-width: 1200px) {
	.footer_wrapper .artdink_logo img{
		width: 150px;
	}
}

.link{
	display: flex;
  justify-content: space-between;
}

 .footer_wrapper .link ul {
  display: flex;
  list-style: none;
  margin: 20px auto;
  padding: 0;
  gap: 150px; 
}
	
@media screen and (max-width: 1200px) {
	.footer_wrapper .link ul {
	display: block;
	margin: 0 auto;
	}
}

.footer_wrapper .link ul li a {
  font-weight: 500;
  transition: color 0.3s ease;
	color:#c1c1b5;
}

@media screen and (max-width: 1200px) {
	.footer_wrapper .link ul li{
		margin: 20px auto;
		text-align: center;
	}
}

.footer_wrapper .link ul li a:hover {
  opacity: 0.6;
    transition: opacity .7s; 
}

.footer_wrapper .copy{
	margin: 30px auto;
	color:#c1c1b5;
	font-size: 0.7rem;
}



/*----------------------------
scroll_up ｜下から上へ出現
----------------------------*/
.scroll_up {
  transition: 0.8s ease-in-out;
  transform: translateY(30px);
  opacity: 0;
}
.scroll_up.on {
  transform: translateY(0);
  opacity: 1.0;
}



/*==================================================
ページトップのためのcss
===================================*/
#page-top {
  display: flex;
  justify-content: center;
  align-items: center;
  background: black;
  border-radius: 5px;
  width: 50px;
  height: 50px;
  color: #fff;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  font-size: 0.6rem;
  transition: all 0.3s;
  position: fixed;
  right: 15px;
  bottom: 15px;
  z-index: 2;
  /*はじめは非表示*/
  opacity: 0;
  transform: translateY(100px);
  flex-direction: column; }

#page-top:hover {
  background: #777; }

/*　上に上がる動き　*/
#page-top.UpMove {
  animation: UpAnime 0.5s forwards; }

@keyframes UpAnime {
  from {
    opacity: 0;
    transform: translateY(100px); }
  to {
    opacity: 1;
    transform: translateY(0); } 
}
/*　下に下がる動き　*/
#page-top.DownMove {
  animation: DownAnime 0.5s forwards; }

@keyframes DownAnime {
  from {
    opacity: 1;
    transform: translateY(0); }
  to {
    opacity: 1;
    transform: translateY(100px); } }
#page-top::before {
  /* ④絶対必要 */
  content: "";
  display: block;
  /* ⑤三角のサイズ */
  width: 10px;
  height: 10px;
  /* ⑥三角の線と回転角度 */
  border-top: 2px solid #fffce4;
  border-right: 2px solid #fffce4;
  transform: rotate(-45deg); }







/*==================================================
NEWS/TITLEのためのcss
===================================*/

.news-contents{
	margin-top: 60px;
}

@media screen and (max-width: 1200px) {
	.news-contents{
		margin-top: 40px;
	}
}

.topic{
	margin:0px 20px 200px 20px;
	box-shadow: 0 0 6px 5px rgba(14, 77, 71, 0.7);
	background-color: rgba(45, 52, 54, 0.4);
	padding: 30px 50px;
	border-radius: 5px;
}

@media screen and (max-width: 1200px) {
	.topic{
		margin:0px 0px 100px 0px;
		padding: 20px 28px;
	}
}


.topic h3{
	font-size: 2rem;
}

@media screen and (max-width: 1200px) {
	.topic h3{
		font-size: 1.5rem;
	}
}

.topic h4{
	font-size:1.7rem;
	margin-bottom: 10px;
}

@media screen and (max-width: 1200px) {
	.topic h4{
		font-size: 1.2rem;
	}
}

.topic p{
	font-size: 1.2rem;
	line-height: 2;
}

@media screen and (max-width: 1200px) {
	.topic p{
	font-size: 1rem;
	}
}

.topic a{
	color: #00A791;
}

.topic a:hover{
	opacity: 0.7;
}

.news-img{
	width: 100%;
	margin: 30px 0;
}

@media screen and (max-width: 1200px) {
	.topic .news-main{
		width: 100%;
		margin: 20px 0;
	}
}



.twocolumn {
  display: flex; 
	margin: 60px 0;
}

@media screen and (max-width: 1200px) {
    .twocolumn {
    	flex-direction: column;
    	margin: 30px 0;	
	} 
}

.twocolumn.sum {
	margin-top: 0px;
}

.column {
	
}
.column img {
    width: 100%;
    height: auto; 
}

.column h3{
	margin-top: 0 !important;	
}

.half .column.left{
	width: 580px;
	margin-right: 40px;
}

.half .column.right{
	width: 580px;
}

.sum .column.left{
	width: 300px;
	margin-right: 40px;
}

.sum .column.right{
	
}

@media screen and (max-width: 1200px) {
    .half .column.left,
	.half .column.right,
	.sum .column.left,
	.sum .column.right{
      width: 100%;
      margin: 10px 0; 
	} 
}

/*==================================================
個別タイトルのためのcss
===================================*/

.contents{
	margin-bottom: 100px;
}

.contents h1{
	font-size: 2.5rem;
	margin: 50px 0 30px 0;
	left: 0px;
	padding-left: 0px;
	color: #f2f3d8;
}

@media screen and (max-width: 1200px) {
	.contents h1{
		margin: 10px 0;
		font-size: 1.7rem;
	}
}

.mv-bg{
	background-color: rgba(8, 11, 15, 0.6);
	margin: 0 auto ;
	box-shadow: 0 3px 5px -1px rgba(8, 11, 15, 0.6);
	text-align: center;
}

.mv{
	width: 1200px;
	box-shadow: 0 0 5px 5px rgba(14, 77, 71, 0.7);
	margin: 20px auto;
	border-radius: 5px;
}

@media screen and (max-width: 1200px) {
	.mv{
		width:100vw;
		margin:auto -8.5%;
	}
}

.contents .all.pf{
	text-align:left;
	padding-bottom: 60px;
}

@media screen and (max-width: 1200px) {
	.contents .all.pf{
		text-align:center;
		padding-bottom: 0px;
	}
}

.contents .all.pf a img{
	width:auto;
}

.contents .all.pf .sw img{
	left:-20px;
}

.contents .all.pf .st img{
	left:290px;
}

@media screen and (max-width: 1200px) {
	.contents .all.pf .sw img,
	.contents .all.pf .st img{
		left:0px;
	}
}

.movie {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.video-list {
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 100px 0 100px 0; 
}

@media (max-width: 1200px) {
    .video-list {
		margin: 50px 0 70px 0;
      width: 100%; 
	} 
}

.video-item {
  width: calc(50% - 20px);
	box-shadow: 0 0 5px 5px rgba(14, 77, 71, 0.7);
	background-color: rgba(45, 52, 54, 0.4);
	border-radius: 5px;
}

.video-item iframe {
    aspect-ratio: 16 / 9; 
	border-radius: 5px 5px 0 0;
}

@media (max-width: 1200px) {
    .video-item {
      width: 100%;
      margin-bottom: 10px; 
	}
      .video-item iframe {
        width: 100%;
        aspect-ratio: 16 / 9;
        background-color: #333333; 
	} 
}

.video-title {
  text-align: center;
	padding: 15px;
}

@media (max-width: 1200px) {
	.video-title {
		text-align: left;
	}
}

.catch{
	letter-spacing: 0.8rem;
	word-break: break-all;
}

.contents h3{
	font-size: 1.8rem;
	color: #f2f3d8;
	margin: 40px 0;
}

@media screen and (max-width: 1200px) {
	.contents h3{
		font-size: 1.5rem;
	}
}
}

.contents .text{
	margin: 30px 0;
}

.contents p{
	line-height: 2;
	font-weight: 400;
	font-size: 1.15rem;
}

@media screen and (max-width: 1200px) {
	.contents p{
	font-size: 1rem;
	}
}

.ss{
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	margin: 50px 0 30px 0;
}

.ss img{
	width: 380px;
	box-shadow: 0 0 5px 5px rgba(14, 77, 71, 0.7);
	border-radius: 5px;
}

@media (max-width: 1200px) {
	.ss img{
		width: 100%;
		margin: 10px 0;
	}
}

.contents .function{
	margin: 60px 0;
}

@media (max-width: 1200px) {
	.contents .function{
		padding: 15px;
	}
}


.contents .function p{
	font-weight: unset;
	font-size: 1rem;
}

.contents .all{
	padding-bottom: 60px;
}

@media (max-width: 1200px) {
	.contents .all{
		padding-bottom: 0px;
	}
}



/*table*/

.frame{
	margin: 30px 0px;
	background-color: rgba(255, 255, 255, 0.1);
	border-radius: 10px;
	padding: 20px 30px;
}

@media screen and (max-width: 1200px) {
	.frame{
		padding: 15px;
	}
}

.custom-table {
	border-collapse: collapse;
	width: 100%;
}

.custom-table tr{
	border-bottom: 1px solid #74a294;
	width: 100%;
}

.left-cell, .right-cell {
  padding: 5px 10px;
  text-align: left; 
	line-height: 3;
}

@media screen and (max-width: 1200px) {
	.left-cell, .right-cell {
		line-height: 2;
	}
}

@media screen and (max-width: 1200px) {
    .left-cell, .right-cell {
      width: 100%;
      display: block;
      padding: 0; 
	} 
}

.left-cell {
  width: 20%;
	font-weight :bold;
}

@media screen and (max-width: 1200px) {
    .left-cell {
      margin-top: 10px;
      width: 100%; 
	} 
}

.right-cell {
  width: 480px; 
}
  @media screen and (max-width: 1200px) {
    .right-cell {
      width: 100%;
		margin-bottom: 10px;
	  } 
}