html{
  font-size: 62.5%; /*10px*/
  scroll-behavior:smooth;
}

body{
font-family: "open-sans", sans-serif;
  font-family: "Noto Serif JP", serif;
  background-color:#EEFAFF;
  color: #000;
  margin:auto;
  line-height: 1.5;
}




img{
  width: 100%;
  vertical-align: bottom;
}

a { text-decoration: none;
  color: #fff;
  }

  .nav-item a{
    color:#fff;
  }
  
  .nav-item a:hover{
  color:#FCEE21;
  transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
  padding: 3px;
  }

  .site-img :hover{
    width: 130px;
    transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
  }

  .contact-img a{
    color: #000;
  }



/*header*/

header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 5vh;
  position: fixed;
  width: 100%;
  box-sizing: border-box;
  background-color: rgba(1, 31, 83, 0.9);
    z-index: 9998;
}



.burger-btn{
  display: none;
}



.nav-list{
  display: flex;

}

.site-title{
  display: flex;
}

.site-img-title{
  color: #fff;
  text-align: left;
  font-size: 1.2rem;
  font-family:  "Noto Sans JP", sans-serif;
  padding: 10px ;
  margin: auto;
  font-weight: bold;
}

.site-img{
  width: 120px;
}

.nav-item{
  justify-content: space-between;
  padding: 10px 20px;
  font-weight: bold;
  color: #fff;
  font-family:  "Noto Sans JP", sans-serif;
  font-size: 1.4rem;
}

.nav-item2 a{
  padding: 10px 20px;
  color: #fff;
  background-color: #011F53;
  font-weight: bold;
  border-radius: 50px;
  position: relative;
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin: 0 auto;
  max-width: 250px;
  transition: 0.3s ease-in-out;
  font-weight: 500;
border: solid 1px #C20000;
  font-family:  "Noto Sans JP", sans-serif;
  font-size: 1.4rem;
}

.nav-item2 a:after {
  content: "";
  position: absolute;
  top: 50%;
  bottom: 0;
  right: 1rem;
  font-size: 60%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: right 0.3s;
  width: 4px;
  height: 4px;
  border-top: solid 1px currentColor;
  border-right: solid 1px currentColor;
  transform: translateY(-50%) rotate(45deg);}

  .nav-item2 a:hover {
    background: #fff;
    color: #011F53;
  }
  .nav-item2 a:hover:after {
    right: 1.2rem;
  }




.footer-text{
  text-align: center;
  font-size: 1.4rem;
  font-family:  "Noto Sans JP", sans-serif;
  padding: 20px ;
  margin: auto;
}




.section-wrapper1{
  background-image: url(../images/kbg1.png);
  background-position: center center;
  background-size: cover;

  padding:10px;
  margin: auto;
}

.section-wrapper2{
  background-image: url(../images/kbg2.png);
  background-position: center center;
  background-size: cover;

  padding:50px 10px;
  margin: auto;
}


.section-wrapper3{
  background-image: url(../images/kbg3.png);
  background-position: center center;
  background-size: cover;

  padding:50px 10px;
  margin: auto;
}

.section-wrapper4{
  background-image: url(../images/kbg4.png);
  background-position: center center;
  background-size: cover;

  padding:50px 10px;
  margin: auto;
}


.section-wrapper5{
  background-image: url(../images/kbg5.png);
  background-position: center center;
  background-size: cover;

  padding:50px 10px;
  margin: auto;
}

.section-wrapper6{
  background-image: url(../images/kbg6.png);
  background-position: center center;
  background-size: cover;
  padding:50px 10px;
  margin: auto;
}

.section-wrapper7{
  background-image: url(../images/kbg3.png);
  background-position: center center;
  background-size: cover;
  padding:50px 10px;
  margin: auto;
}


.section-wrapper8{
  background-image: url(../images/kbg7.png);
  background-position: center center;
  background-size: cover;
  padding:50px 10px;
  margin: auto;
}


.section-wrapper9{
  background-image: url(../images/kbg8.png);
  background-position: center center;
  background-size: cover;
  padding:50px 10px;
  margin: auto;
}

.section-wrapper11{
position: relative;

  margin: auto;
}






.movie_911{
  width: 100%;
  height: 100vh;
  background: url(../images/kbg1.png) no-repeat center cover;
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  z-index: -1;
  opacity: 0.5;
  }
  
  .movie_911::after{
  
    content: '';
    width: 100%;
    height: 100%;
  
    display: block;
    position: absolute;
    left: 0;
    top: 0;
  }
  
  .movie_911 video {
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
  }





.section-wrapper12{
  background-image: url(../images/kbg12.png);
  background-position: center center;
  background-size: cover;

  padding:10px;
  margin: auto;
}

.section-wrapper13{
  background-image: url(../images/kbg13.png);
  background-position: center center;
  background-size: cover;

  padding:10px;
  margin: auto;
}

.section-wrapper21{
  background-image: url(../images/klessonbg1.png);
  background-position: center center;
  background-size: cover;
  padding:10px;
  margin:  50px auto;

}


.section-wrapper22{
  background-image: url(../images/klessonbg2.png);
  background-position: center center;
  background-size: cover;
  padding:10px;
  margin: 50px auto;
}

.section-wrapper23{
  background-image: url(../images/klessonbg3.png);
  background-position: center center;
  background-size: cover;
  padding:10px;
  margin: 50px auto;
}

.section-wrapper24{
  position: relative;
  background-image: url(../images/kbg24.png);
  background-position: center center;
  background-size: cover;
  padding:10px;
  margin:  auto;
}


.section-wrapper99{
  position: relative;

  background-position: center center;
  background-size: cover;
  padding:30px 10px;
  margin:  auto;
}




.movie_ddf{
  width: 100%;
  height: 50vh;
  position: absolute;
  top: 0;
  left: 0;
overflow: hidden;
z-index: 1;
box-shadow: rgba(255, 255, 255, 0.2) 0px 0px 60px 5px;
  }
  
  .movie_ddf::after{
  
    content: '';
    width: 100%;
    height: 100%;
  
    display: block;
    position: absolute;
    left: 0;
    top: 0;
  }
  
  .movie_ddf video {
    min-width: 100%;
    min-height:100%;
    width: auto;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
  }





@media screen and (max-width:1010px){
  /* ----------------------------- */
  /* header_sp
  /* ----------------------------- */





header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0px 3vh;
  position: fixed;
  width: 100%;
  box-sizing: border-box;
  background-color: rgba(1, 31, 83, 0.9);;
    z-index: 9998;
}


  .section-wrapper1{
    padding:50px 10px;
    margin: auto;
  }

  .section-wrapper2{
    padding:50px 10px;
    margin: auto;
  }

.section-wrapper3{
  padding:50px 10px;
  margin: auto;
}

.section-wrapper4{
  padding:50px 10px;
  margin: auto;
}


.section-wrapper5{
  padding:50px 10px;
  margin: auto;
}

.section-wrapper6{
  padding:50px 10px;
  margin: auto;
}

.section-wrapper7{
  padding:50px 10px;
  margin: auto;
}

.section-wrapper8{
  padding:50px 10px;
  margin: auto;
}


.section-wrapper9{
  padding:50px 10px;
  margin: auto;
}

.section-wrapper11{
  padding:50px 10px;
  margin: auto;
}

.section-wrapper12{

  padding:50px 10px;
  margin: auto;
}

.section-wrapper13{
  padding:50px 10px;
  margin: auto;
}

.section-wrapper21{
  padding:20px 10px ;
  margin: auto;

}

.section-wrapper22{
  padding:20px 10px;
  margin: auto;

}

.section-wrapper23{
  padding:20px 10px;
  margin: auto;

}

.section-wrapper24{
  padding: 50px 10px;
  margin: auto;
}


.section-wrapper99{
  padding:10px;
  margin: auto;
}




   /* ハンバーガーボタン */
  .burger-btn{
    display: block;
    width: 20px;
    height: 20px;
    position: relative;
z-index: 5;

  }
  .bar{
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: #ffffff;
    position: absolute;
    

  }
  .bar_top{
    top: 0;
  }
  .bar_middle{
    top: 10px;
  }
  .bar_bottom{
    bottom: 0;
  }

   /* ハンバーガーボタンをクリックしたときのボタンの見た目 */
.burger-btn.cross .bar_top{
    transform: rotate(45deg);
    top: 20px;
    transition: .3s;
  }
  .burger-btn.cross .bar_middle{
    opacity: 0;
    transition: .3s;
  }
  .burger-btn.cross .bar_bottom{
    transform: rotate(-45deg);
    bottom: 20px;
    transition: .3s;
  }


  .header-nav{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color:rgba(1, 31, 83, 0.9);
    display: none;
    width: 100px;
  }



  .nav-list{
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);

  }

  .nav-item{
padding: 30px 5px;
    text-align: center;
    font-size: 1rem;
  }



  .site-img{
    width: 70px;
  }

}

@media screen and (max-width:500px){

  body{
    line-height: 1.7;
  }
  
  .section-wrapper1{
    background-image: url(../images/kbg3.png);
    padding:10px;
    margin-top:0px;
  }



.section-wrapper11{
  background-image: url(../images/kbg3.png);
  background-position: center center;
  background-size: cover;
  padding:5px;
  margin: auto;
}

.section-wrapper12{
  background-image: url(../images/kbg3.png);
  background-position: center center;
  background-size: cover;
  padding:5px;
  margin: auto;
}

.section-wrapper13{
  background-image: url(../images/kbg3.png);
  background-position: center center;
  background-size: cover;
  padding:5px;
  margin: auto;
}

.section-wrapper21{
  padding:20px 10px ;
  margin: auto;
  background-image: none;
}

.section-wrapper22{
  padding:20px 10px;
  margin: auto;
  background-image: none;
}

.section-wrapper23{
  padding:20px 10px;
  margin: auto;
  background-image: none;
}


.movie_911{
display: none;
  }
  
}