* {
  box-sizing: border-box;
}
body {
  margin: 0;
  padding: 0;
  font-family:"Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", メイリオ, Meiryo, "ＭＳ Ｐゴシック", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

p{
  font-family: sans-serif;
  font-size: 17px;
  line-height: 30px;
}
div{
  text-align:center;
}
.textL{
  text-align: left!important;
}

.textC{
  text-align: center!important;
}
.fb{
  font-weight: bold;
}
.mb50{
  margin-bottom: 50px!important;
}
.mb30{
  margin-bottom: 30px!important;
}
.mb10{
  margin-bottom: 10px!important;
}
.mt30{
  margin-top: 30px!important;
}
.pb20{
  padding-bottom: 20px!important;
}
.fs10{
  font-size: 10px!important;
}
.fs8{
  font-size: 8px!important;
}

.atto{
  height: 40px;
  margin-right: 80px;
}
.none{
  display: none!important;
}




#header{
  position: relative;/*h1の中央寄せ配置の起点とするためのrelative*/
  height: 100vh;/*高さを全画面にあわせる*/
}
.scroll-icon{
  position: absolute;
  top: 90%;
  left: 50%;
  padding-top: 50px;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  color: #FFFFFF;
}
.scroll-icon span {
  position: absolute;
  top: 0;
  left: 50%;
  width: 24px;
  height: 24px;
  margin-left: -12px;
  border-left: 1px solid #fff;
  border-bottom: 1px solid #fff;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
  -webkit-animation: sdb 2s infinite;
  animation: sdb 2s infinite;
  box-sizing: border-box;
}
@-webkit-keyframes sdb {
  0% {
    -webkit-transform: rotate(-45deg) translate(0, 0);
  }
  50% {
    -webkit-transform: rotate(-45deg) translate(-10px, 10px);
  }
  100% {
    -webkit-transform: rotate(-45deg) translate(0, 0);
  }
}
@keyframes sdb {
  0% {
    transform: rotate(-45deg) translate(0, 0);
  }
  50% {
    transform: rotate(-45deg) translate(-10px, 10px);
  }
  100% {
    transform: rotate(-45deg) translate(0, 0);
  }
}
#video-area{
  position: fixed;
  z-index: -1;/*最背面に設定*/
  top: 0;
  right:0;
  left:0;
  bottom:0;
  overflow: hidden;
}

#video {
  /*天地中央配置*/
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  /*縦横幅指定*/
  width: 177.77777778vh; /* 16:9 の幅→16 ÷ 9＝ 177.77% */
  height: 56.25vw; /* 16:9の幅 → 9 ÷ 16 = 56.25% */
  min-height: 100%;
  min-width: 100%;
}

/*見出し設定*/
header .main-title {
  /*要素の配置*/
  position:absolute;
  /*要素を天地中央寄せ*/
  top: 50%;
  left: 50%;
  transform: translateY(-50%) translateX(-50%);
  /*見た目の調整*/
  color:#FFFFFF;
  letter-spacing: 6px;
  text-align: center;
  line-height: 1.3;
}
header .main-title h1{
  font-size: 70px;
  font-weight: lighter;
  margin-bottom: 10px;
  text-shadow: 0 0 15px rgb(20, 20, 61);
}
header .main-title p{
  font-size: 20px;
}



nav.pc-nav ul li{
	position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/*2階層目を持つliの矢印の設定*/
nav.pc-nav ul li.has-child::before{
	content:'';
	position: absolute;
	left:10px;
	top:20px;
	width:6px;
	height:6px;
	border-top: 1px solid rgb(20, 20, 61);
    border-right:1px solid rgb(20, 20, 61);
    transform: rotate(135deg);
}
/*== 2・3階層目の共通設定 */

/*下の階層を持っているulの指定*/
nav.pc-nav li.has-child ul{
    /*絶対配置で位置を指定*/
	position: absolute;
	left: 0px;
	top:40px;
	z-index: 4;
    /*形状を指定*/
	background:#f3f3f3ff;
  text-align: center;
	width:160px;
    /*はじめは非表示*/
	visibility: hidden;
	opacity: 0;
    /*アニメーション設定*/
	transition: all .3s;
}

/*hoverしたら表示*/
nav.pc-nav li.has-child:hover > ul,
nav.pc-nav li.has-child ul li:hover > ul{
  visibility: visible;
  opacity: 1;
}

/*ナビゲーションaタグの形状*/
nav.pc-nav li.has-child ul li a{
	color: rgb(20, 20, 61);
  /* color: #FFFFFF; */
}
nav.pc-nav li.has-child ul li a:hover{
	/* color: rgb(20, 20, 61); */
  color: #FFFFFF;
}
nav.pc-nav li.has-child ul li:last-child a{
	border-bottom:none;
}


/* nav li.has-child ul li a:hover,
nav li.has-child ul li a:active{
	background:#3577CA;
} */













/* ヘッダー */
.header-box {
  width: 100%;
  height: 82px;
  padding: 20px 5% 10px;
  background-color: #f3f3f3ff;
  position: fixed;
  top: 0;
  display: flex;
  align-items: center;
  z-index: 999;
}
.header-box img{
  height: 60px;
}
/* .header-box h1 {
  margin: 0;padding: 0;
  font-size: clamp(30px, 5vw, 50px);
  font-family: "游ゴシック体";
  position: fixed;
  font-weight: bold;
  letter-spacing: 5px;
  font-style: italic;
}

h1 a {
  text-decoration: none;
  color: rgb(20, 20, 61);
} */

li a, .header_list li p{
  text-decoration: none;
  color: rgb(20, 20, 61);

}

.header_list {
  list-style: none;
  margin: 0;
  display: flex;
}

.header_list li a, .header_list li p{
  /* border-bottom: solid 1px white;
  border-top: solid 1px white; */
  /* border-left: solid 1px navy; */
  padding: 10px 20px;
  font-weight: 600;
  position: relative;
}
.header_list li a:hover, .header_list li p:hover{
  color:#0481A2;
}

.header_list li a::after, .header_list li p::after {
  content: '';
  /*絶対配置で線の位置を決める*/
  position: absolute;
  bottom: 0;
  left: 10%;
  /*線の形状*/
  width: 80%;
  height: 2px;
  background:#0481A2;
  /*アニメーションの指定*/
  transition: all .3s;
  transform: scale(0, 1);/*X方向0、Y方向1*/
  transform-origin: center top;/*上部中央基点*/
}

.header_list li a:hover::after {
  transform: scale(1, 1);/*X方向にスケール拡大*/
}
.header_list li ul li{
  margin: 0;
  padding: 10px;
  /* background-color: rgb(20, 20, 61); */
  border: 1px solid rgb(20, 20, 61);
  /* text-align: center; */
}
.header_list li ul li a, .header_list li p{
  font-size: 15px;
  /* text-align: center; */
}
/* .header_list li ul li a:hover{
  color: #FFFFFF;
} */
.header_list li ul li a::after{
  content: none;
}

li {
  margin: 0 0 0 25px;
  font-size: 15px;
}

nav {
  margin: 0 0 0 auto;
}

/* メイン */
#main-visual{
  display: flex;
  align-items: flex-end;
  background: url(../images/kyoshitsu.jpg) repeat-x center;
  background-size: cover;
  min-width: 100%;
  max-width: 100%;
  height: 800px;
  margin-top: 82px;
}

#main-visual .main-title {
  padding: 30px;
  text-align: left;
  font-size: 100px;
  color: #FFF;
  font-weight: bold;
  width: 100%;
}

.news{
  background-color: #FFF;
  display: flex;
}
.news-t{
  background-color: #333333;
  width: 20%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.news-t h2{
  font-size: 30px;
  text-shadow: 0 0 10px #666;
  color: #FFFFFF;
  font-weight: bold;
}
.news-f{
  background-color: #FFFFFF;
  width: 80%;
  height: 200px;
  padding: 20px;
  text-align: left;
  overflow-y: scroll;
}
.news-f p{
  margin-bottom: 8px;
}
span.osirase{
  color: #4fc1e0;
  border: 1px solid #4fc1e0;
  padding: 2px 20px;
  margin: 0 20px;
  font-size: 13px;
}
span.akahon{
  color: #f63636;
  border: 1px solid #f63636;
  padding: 0 33px;
  margin: 0 20px;
  font-size: 13px;
}
.news-p{
  display: none;
}

.top-image{
  width: 100%;
  margin-top: 82px !important;
}

.sample-image{
  width: 100%;
  margin-top: 82px !important;
}

.background {
  height: 800px;
}
/* フィロソフィー */
#philosophy{
  background: url(../images/philosophy3.png) no-repeat center center;
  background-size: cover;
  width: 100%;
  height: 100%;
  padding: 5% 10%;
  display: flex;
  align-items: center;

}
.phi-field{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.catchcopy{
  text-align: center;
  margin-top: 50px;

}
.catchcopy h2 {
  margin: 0;
  font-size: 45px;
  font-weight: normal;
  color:rgb(20, 20, 61);
  font-family: monospace;
  line-height: 1.5;
}
.intro{
  width: 65%;
  margin-top: 50px;
  text-align: left;
}
.intro p{
  font-size: 1rem;
  line-height: 2;
  color: rgb(20, 20, 61);
  font-family: sans-serif;
  font-weight: 500;
}


/* アバウト */
#about {
  background:#fff url(../images/about.png) no-repeat center center;
  background-size: cover;
  width: 100%;
  height: 100%;
  padding: 20px 40px;
  display: flex;
  align-items: center;
}
.about-field{
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
}
.about-contents {
  height: 80%;
  width: 45%;
  /* border-radius: 30px;
  border:solid 2px rgb(238, 210, 245); */
  padding: 0 20px;
  display: flex;
  justify-content: center;
  flex-direction: column;
  color: #FFF;
}
.about-contents div{
  display: flex;
  justify-content: center;
}
.about-contents h3{
  font-size: 30px;
  margin-bottom: 30px;
}

.about-contents img{
  width: 50%;
  height: auto;
  margin-bottom: 30px;
  color: #FFF;
}

.about-contents p{
  margin-bottom: 20px;
  text-align: left;
  font-family: sans-serif;
  font-size: 1rem;
  /* line-height: 1.8em; */
}

.about-contents hr{
  margin-bottom: 15px;
  border-bottom: 1px solid;
  /* box-shadow: 0 10px 10px -10px #8c8b8b inset; */
}

.about-contents dl{
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
}

.about-contents dt, .about-contents dd{
  margin-right: 20px;
  font-size: 1.5vw;
}


/* 料金システム */
#system {
  background:#FFF url(../images/system4.png) no-repeat center center;
  background-size: cover;
  width: 100%;
  height: 100%;
  /* display: flex;
  align-items: center;
  justify-content: space-around; */
  padding: 70px 80px 0;
}

.system-course{
  width: auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-around;
  /* margin-bottom: 20px; */
  color: rgb(20, 20, 61);
}
.course{
  width: 30%;
}

.course h3{
  font-size: 2em;
  margin-bottom: 50px;
  font-weight: bold;
  
} 
.course h4{
  font-size: 1.9vw;
  padding: 0;
}
.course hr{
  border: 0; 
  height: 1px; 
  background-image: -webkit-linear-gradient(left, #f0f0f0, #8c8b8b, #f0f0f0);
  background-image: -moz-linear-gradient(left, #f0f0f0, #8c8b8b, #f0f0f0);
  background-image: -ms-linear-gradient(left, #f0f0f0, #8c8b8b, #f0f0f0);
  background-image: -o-linear-gradient(left, #f0f0f0, #8c8b8b, #f0f0f0); 
  margin: 20px 0;
}

.course p{
  text-align: left;
  font-size: 1rem;
  line-height: 1.8em;
}

.hikaku-link{
  margin-bottom: 10px;
  
}
.hikaku-link p{
  text-align: right;
  font-size: 1.4vw;
  padding-right: 2vw;
  margin-bottom: 20px;
}
.hikaku-link p a{
  border-bottom: 1px solid rgb(20, 20, 61);
}

.hikaku-link p a:hover{
  color: #0481A2;
  border-bottom: 1px solid #0481A2;
}
/* 講習会と紹介 */
.kosyu-invite{
  width: 100%;
  height: auto;
  display: flex;
  /* align-items: center; */
  justify-content: space-between;
}

.kosyu-invite h3{
  font-size: 30px;
  border-bottom: 2px solid rgb(20, 20, 61);
  text-align: left;
  margin-bottom: 15px;
  padding-bottom: 5px;
}

.kosyu-invite p{
  font-size: 1rem;
  line-height: 1.8em;
  
}

/* 講習会 */
.system-kosyu{
  width: 48%;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-direction: column;
  color: rgb(20, 20, 61);
}
.kosyu-invite-title{
  width: 98%;
  height: 50%;
}

.kosyu-text{
  width: 100%;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
}
.kosyu-text2{
  /* width: 45%; */
  height: 100%;
}
.kosyu-text2 dl{
  text-align: left;
  line-height: 1.5em;
}
.kosyu-text2 dt, .kosyu-text2 dd{
  font-size: 1.5vw;
  line-height: 1.5em;
  font-weight: normal;
  margin-left: 8px;
}
.kosyu-text2 dd{
  margin-right: 15px;
  margin-bottom: 15px;
  text-align: right;
}

.kosyu-text3{
  /* width: 55%; */
  text-align: left;
  
}
.kosyu-text3 p{
  font-size: 1rem;
}



/* 紹介制度 */
.system-invite{
  width: 48%;
  height: 200px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  color: rgb(20, 20, 61);
}

.invite-text{
  width: 100%;
  height: 100%;
  text-align: left;
}
.invite-text p{
  font-size: 1rem;
}
.invite-text span{
  /* background-color: red;
  color: #FFF; */
  padding: 3px 0;
}


/* 合格実績 */
#achievement {
  background:#FFF url(../images/achievement.png) no-repeat center center;
  background-size: cover;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 80px 30px 0;
}
.column2{
  /* background-color: rosybrown; */
  width: 100%;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.sec{
  display: flex;
  align-items: center;
  /* justify-content: flex-start; */
  flex-direction: column;
  width: 50%;
  padding: 0 8vw;
}
.sec h3{
  text-align: center;
  width: auto;
}
.sec p{
  font-size: 1.3vw;
  color: #FFFFFF;
  text-align: left;
}
.sec > div{
  width: 100%;
  height: auto;
}
.sec div img{
  width: 80%;
  /* box-shadow: 0 0 20px 20px gray; */
  border-radius: 33px;
  /* height: 200px; */

}

.button-field{
  background-color: rgb(149, 158, 155, 0.3);
  width: 100%;
  height: 20%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 50px;
}

.btn{
  /*アニメーションの起点とするためrelativeを指定*/
  position: relative;
  overflow: hidden;
  /*ボタンの形状*/
  text-decoration: none;
  display: inline-block;
  border: 1px solid #FFFFFF;/* ボーダーの色と太さ */
  padding: 20px 40px;
  text-align: center;
  outline: none;
  border-radius: 30px;
  background-color: #6c2463ff;
  /*アニメーションの指定*/   
  transition: ease .2s;
}

/*ボタン内spanの形状*/
.btn span {
  position: relative;
  z-index: 3;/*z-indexの数値をあげて文字を背景よりも手前に表示*/
  color: #FFFFFF;
}

.btn:hover span{
  color: #6c2463ff;
}

/*== 背景が流れる（左から右） */
.bgleft:before {
  content: '';
    /*絶対配置で位置を指定*/
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
    /*色や形状*/
  background: #FFFFFF;/*背景色*/
  width: 100%;
  height: 101%;
    /*アニメーション*/
  transition: transform .6s cubic-bezier(0.8, 0, 0.2, 1) 0s;
  transform: scale(0, 1);
  transform-origin: right top;
}

/*hoverした際の形状*/
.bgleft:hover:before{
  transform-origin:left top;
  transform:scale(1, 1);
}

.bgleft2:before {
  content: '';
    /*絶対配置で位置を指定*/
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
    /*色や形状*/
  background: rgb(20, 20, 61);/*背景色*/
  width: 100%;
  height: 101%;
    /*アニメーション*/
  transition: transform .6s cubic-bezier(0.8, 0, 0.2, 1) 0s;
  transform: scale(0, 1);
  transform-origin: right top;
}

/*hoverした際の形状*/
.bgleft2:hover:before{
  transform-origin:left top;
  transform:scale(1, 1);
}


footer {
  width: 100%;
  height: auto;
  background-color: #f3f3f3ff;
  padding: 0 5%;
  padding-top: 30px;
}
footer h2{
  font-size: 30px;
  color: rgb(20, 20, 61);
}
.footer-box{
  display: flex;
  justify-content: space-between;
  height: auto;
}
.access{
  text-align: left;
}
.footer-box p{
  color: rgb(20, 20, 61);
}

.access span::before{
  content: "";
  display: inline-block;
  background-image: url(../images/place.png);
  width: 20px;
  height: 20px;
  background-size: contain;
  vertical-align: middle;
  margin-right: 10px;
}
.copyright{
  text-align: center;
  font-size: 13px;
}



.sp-nav {
  display: none;
}

img{
  vertical-align:top;
}

.sec-title{
  color: rgb(20, 20, 61);
  width: 100%;
  font-size: 2rem;
  margin-bottom: 30px;
  text-align: left;
  position: relative;
  z-index: 1;
}
.sec-title:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -14px;
  width: 0%;
  height: 2px;
  background: rgb(20, 20, 61);
  z-index: -1;
  transition: all 1.5s;
}
.sec-title.isActive:after {
  width: 100%;
}
.sec-title2{
  color: #FFFFFF;
  width: 100%;
  font-size: 2rem;
  margin-bottom: 30px;
  text-align: left;
  position: relative;
  z-index: 1;
  

}
.sec-title2:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -14px;
  width: 0%;
  height: 2px;
  background: #FFFFFF;
  z-index: -1;
  transition: all 1.5s;
  /* animation-duration: 3s; */
}
.sec-title2.isActive:after {
  width: 100%;
  animation-duration: 5s;
}
.marker {
  background: linear-gradient(transparent 30%, #fff001 0%);
}
.marker2 {
  background: linear-gradient(transparent 30%, #ff1f01 0%);
}
.sp{
  display: none!important;
}


/* smartphone */
@media screen and (max-width: 820px){
  p {
    font-size: 1em;
  }
  .pc-nav {
    display: none;
  }
  .header-box{
    height: 60px;
    background-color: rgb(149, 158, 155, 0.3);
  }
  /* header .main-title {
    letter-spacing: 1;
  } */
  header .main-title h1{
    font-size: 30px;
    text-align: center;
    margin: 0;
  }
  header .main-title p{
    font-size: 15px;
    text-align: center;
    letter-spacing: 1px;
    margin: 0;
  }
  .sp-nav {
    z-index: 1;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: block;
    width: 100%;
    background: #ccccccbe;
    opacity: 0;
    transform: translateY(-100%);
    transition: all .2s ease-in-out;
  }
  #hamburger {
    position: relative;
    display: block;
    width: 30px;
    height: 25px;
    margin: 0 0 0 auto;
  }
  #hamburger span {
    position: absolute;
    top: 50%;
    left: 0;
    display: block;
    width: 100%;
    height: 2px;
    background-color: rgb(20, 20, 61);
    transform: translateY(-50%);
  }
  #hamburger::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: rgb(20, 20, 61);
  }
  #hamburger::after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 70%;
    height: 2px;
    background-color: rgb(20, 20, 61);
  }
  
  .sp-nav >ul {
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    position: relative;
  }
  .sp-nav li {
    margin: 0;
    padding: 0;
  }
  .sp-nav li span {
    font-size: 15px;
    color: rgb(20, 20, 61);
  }
  .sp-nav li a, .sp-nav li p, .sp-nav li span {
    display: block;
    padding: 20px 0;
    color: rgb(20, 20, 61);
    font-weight: bold;
  }
  .close-btn{
    position: relative;
    height: 40px;
    width: 40px;
    /* background-color: #ff1f01; */
    border: 1px solid rgb(20, 20, 61);
    border-radius: 100%;
  }
  /*バツ印線1*/
  .sp-nav .close-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate( 45deg );
    -webkit-transform: translate(-50%, -50%) rotate( 45deg );
    -ms-transform: translate(-50%, -50%) rotate( 45deg );
    /* right: 20px; */
    display: block;
    width: 30px;
    height: 1px;
    background: rgb(20, 20, 61);
    /* transform: rotate( 45deg ); */
  }
  /*バツ印線2*/
  .sp-nav .close-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate( -45deg );
    -webkit-transform: translate(-50%, -50%) rotate( -45deg );
    -ms-transform: translate(-50%, -50%) rotate( -45deg );
    /* right: 20px; */
    display: block;
    width: 30px;
    height: 1px;
    background: rgb(20, 20, 61);
    /* transform: rotate( -45deg ); */
  }
  .toggle {
    transform: translateY( 0 );
    opacity: 1;
  }
  nav.sp-nav ul li{
    position: relative;
  }
  nav.sp-nav ul li.has-child >p::before {
    content: '';
    position: absolute;
    top: 49%;
    left: -23px;
    display: block;
    width: 14px;
    height: 1px;
    background: rgb(20, 20, 61);
    transform: rotate( 90deg );
  }
  /*バツ印線2*/
  nav.sp-nav ul li.has-child >p::after {
    content: '';
    position: absolute;
    top: 49%;
    left: -23px;
    display: block;
    width: 14px;
    height: 1px;
    background: rgb(20, 20, 61);
    transform: rotate( 0deg );
  }
  
  .news{
    background-color: #FFF;
    display: block;
  }
  .news-t{
    background-color: rgb(20, 20, 61);
    width: 100%;
    padding: 20px 0;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .news-t h2{
    font-size: 30px;
    text-shadow: 0 0 10px #666;
    color: #FFFFFF;
    font-weight: bold;
  }
  .news-f{
    background-color: #FFFFFF;
    width: 100%;
    height: 200px;
    padding: 20px;
    text-align: left;
    overflow-y: scroll;
  }
  span.osirase{
    color: #4fc1e0;
    border: 1px solid #4fc1e0;
    padding: 2px 20px;
    margin: 0 20px;
    font-size: 13px;
  }
  .news-p{
    display: block;
  }

  .background{
    height: auto;
  }


  .header-box img{
    margin-left: auto;
    margin-right: auto;
    height: 40px;
  }
  #main-visual{
    margin-top: 0px;
    height: 700px;
    background:url(../images/sample.png) repeat-x center;
    background-size: cover;
  }

  #philosophy{
    padding: 10% 5%;
    flex-direction: column;
    background-image: none;
    background-color: #f3f3f3ff;
  }
  .phi-field{
    flex-direction: column;
  }
  .catchcopy{
    margin-top: 30px;
  }
  .catchcopy h2 {
    margin-top: 0;
    line-height: 1.6;
    /* text-align: left; */
    font-size: 30px;
  }
  .intro {
    width: auto;
    margin-bottom: 30px;
    margin-top: 30px;
  }
  .intro p{
    line-height: 1.8;
    font-size: 1rem;
  }
  .intro br{
    display: none;
  }

  .about-field{
    flex-direction: column;
  }
  #about{
    padding: 10% 5%;
    background-image: none;
    background-color: #6c2463ff;
  }
  #about h3{
    margin-bottom: 15px;
    margin-top: 30px;
  }
  #about img{
    width: 40%;
  }
  #about p{
    /* line-height: 2em; */
    margin-bottom: 10px;
    font-size: 1rem;
  }
  #about hr{
    margin-bottom: 10px;
  }
  .about-contents{
    width: 100%;
    padding: 0;
  }


  /* system sp */
  #system{
    padding: 10% 5%;
    height: auto;
    background-image: none;
    background-color: #f3f3f3ff;
  }
  .system-course{
    flex-direction: column;
    width: 100%;
    margin-bottom: 0;
  }
  .course{
    width: 100%;
  }
  .course h3{
    font-size: 1.5rem;
    margin-bottom: 20px;
  }
  .course p{
    font-size: 1rem;
  }
  .hikaku-link p{
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 1rem;
  }
  .kosyu-invite{
    flex-direction: column;
  }
  .kosyu-invite p{
    font-size: 1rem;
  }
  .system-kosyu{
    width: 100%;
  }
  .kosyu-text{
    flex-direction: column;
  }
  .kosyu-text2, .kosyu-text3{
    width: 100%;
    padding-left: 8px;
  }
  .kosyu-text2 hr{
    margin: 10px 0;
  }
  .kosyu-text2 dt {
    font-size: 1rem;
    margin-left: 0;
  }
  .kosyu-text2 dd{
    margin-bottom: 0;
    margin-left: 0;
    font-size: 1rem;
    text-align: right;
  }
  .system-invite{
    width: 100%;
    height: auto;
  }

  #achievement{
    height: auto;
    background-image: none;
    background-color: #6c2463ff;
    padding: 50px 40px 0;
  }

  .column2{
    flex-direction: column;
    height: auto;

  }
  .sec{
    width: 100%;
    padding: 0;
  }
  .sec h3{
    font-size: 1.7rem;
    width: 100%;
  }
  .sec p{
    font-size: 1rem;

  }
  .sec div img{
    width: 100%;
  }
  .footer-box{
    flex-direction: column;
  }
  .access p{
    font-size: 15px;
  }
  iframe{
    width: auto;
  }



  .sec-title{
    color: rgb(20, 20, 61);
    width: 100%;
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: left;
    position: relative;
    z-index: 1;
  }
  .sec-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -14px;
    width: 0%;
    height: 2px;
    background: rgb(20, 20, 61);
    z-index: -1;
    transition: all 1.5s;
  }
  .sec-title.isActive:after {
    width: 100%;
  }
  .sec-title2{
    color: #FFFFFF;
    width: 100%;
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: left;
    position: relative;
    z-index: 1;
    

  }
  .sec-title2:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -14px;
    width: 0%;
    height: 2px;
    background: #FFFFFF;
    z-index: -1;
    transition: all 1.5s;
    /* animation-duration: 3s; */
  }
  .sec-title2.isActive:after {
    width: 100%;
    animation-duration: 5s;
  }

  .sp-mb30{
    margin-bottom: 30px;
  }
  .sp{
    display: block!important;
  }


  .pc{
    display: none!important;
  }
}