html {
  overflow-x: hidden;
width:100vw;
min-height:100vh;
}

body {


font-family: Lusitana,游明朝,"Yu Mincho",YuMincho,"Hiragino Mincho ProN",HGS明朝E,メイリオ,Meiryo,serif;

-webkit-font-smoothing:antialiased;
-moz-osx-font-smoothing:grayscale;

/*font-weight: 600;*/

width:100vw;
min-height:100vh;
overflow-y: scroll;
overflow-x:hidden; 
background-color: rgba(255,255,255,1);
color:rgba(51,51,51,1);
box-sizing:border-box;
position: relative;
font-size: 16px;
padding: 0.5em;
}

body.sora{

   background: linear-gradient(to bottom, #FFF, 80%, #e2e8ef);
  
}


body.isu{

  background: linear-gradient(to bottom, #FFF, 70%, #f8f4e2);

}

section{

  width: 100%;
  position: relative;

}

img{width: 100%;}

p{margin: 0;}

  .sora1,.sora2,.sora3,.sora4,.isu1,.isu2,.isu3,.isu4,.fire,.fire_mask{
    position: relative;
    width: 100%;
    height: 100vh;

    cursor:grab;
   
  /* 画像を常に天地左右の中央に配置 */
  background-position: center center;
   
  /* 画像をタイル状に繰り返し表示しない */
  background-repeat: no-repeat;
   
  /* コンテンツの高さが画像の高さより大きい時、動かないように固定 */
 /* background-attachment: fixed;*/
   
  /* 表示するコンテナの大きさに基づいて、背景画像を調整 */
  background-size: cover;
   
  /* 背景画像が読み込まれる前に表示される背景のカラー */
background-color: #E2E8EF;
  
filter: blur(0.15em);
  }



.isu1{
  background-position: left center;

}

.fire{
    position: absolute;
    z-index: +1;
    background-color: transparent;
      background-position: left center;
}

.fire_mask{
filter: blur(0);
    position: absolute;
  z-index: +2;
background-color: transparent;
  background-position: left center;
}

.isu1,.isu2,.isu3{background-color: #6F5B2B;}

.isu2,.isu3{filter: blur(0.2em);}

.sora2,.sora3{
  background-position: center bottom;

}

.sora4{
  background-position: center top;

}

 section.slide::after{
    content: '';
    position: absolute;
    z-index: +2;
    bottom: 0;
    width: 100vw;
    height: 1.1em;
    background: rgba(255,255,255,1);

}
section.wrap{

  position: relative;
  padding: 2em 0;

}

.blue{

 background: linear-gradient(90deg, #fafafb, #dae7ef);


}
.last{
  background-position: right top;
  background-repeat: no-repeat;
/*    background-color: #fafafb;*/
   background-image: url(../img/back.png);
   background-size: cover;
   min-height: 495px;
   filter: saturate(80%);
   opacity: 0.85;
/*    filter: blur(1px);*/
}

.last.isu{
  background-position: left top;
  background-repeat: no-repeat;
/*    background-color: #fafafb;*/
   background-image: url(../img/back_isu.jpg);
   background-size: cover;
   min-height: 495px;
   filter: saturate(80%);
   opacity: 0.85;
/*    filter: blur(1px);*/
}

.content-box{

  width: 100%;
  max-width: 680px;
  margin:4em auto 0;
  padding: 1 2 1em;
  vertical-align: top;


      position: relative;
}

.content-box.sky{
  color: #3E527B;
      text-shadow: 0px 0px 1px rgba(0,0,0,0.2), 0px 0px 4px rgba(0,0,0,0.1);

}

.content-box.isu{
  color: #6F5B2B;
      text-shadow: 0px 0px 1px rgba(111,91,43,0.2), 0px 0px 4px rgba(111,91,43,0.1);
  
}

.content-box.sky::before {
    content: '';
    position: absolute;
    z-index: -1;
    bottom: 0;
    left: -300px;
    height: 323px;
    width: 323px;
    background-position: left top;
    background-repeat: no-repeat;
    background-image: url(../img/tokei.png);
    background-size: contain;
}

.content-box.isu::before {
    content: '';
    position: absolute;
    z-index: -1;
    bottom: 0;
    left: -120px;
    height: 323px;
    width: 200px;
    background-position: left top;
    background-repeat: no-repeat;
    background-image: url(../img/neko.png);
    background-size: contain;
}
.content-box h1{

  font-size: 1.3em;
  letter-spacing: 0.6em;
  vertical-align: top;
  padding: 0 0 2em;
  margin-bottom: 2em;
    -webkit-writing-mode: vertical-lr;
    -ms-writing-mode: tb-lr;
    writing-mode: vertical-lr;
    position: absolute;

}

.content-box p{

  font-size: 1em;
  line-height: 2em;
  letter-spacing: 0.15em;
  margin-bottom: 2em;

}

.content-box h2{

  letter-spacing: 0.1em;
  line-height: 2em;
  font-size: 1.2em;
  margin: 3em 0 2em;
}

.content-box.sky a{

  text-decoration: underline;
  color: #3E527B;

}
.content-box.isu a{

  text-decoration: underline;
  color: #6F5B2B;

}



.content_text{

  width:100%;
  vertical-align: top;
  padding-left: 6em;

}

.content_image{
    display: inline-block;
    width:32%;
      vertical-align: top;
}

  .insta{

    position: fixed;
    top: 1em;
    left: 1em;
    z-index: +2;
    max-width: 80px;
    cursor: pointer;
    filter: drop-shadow(1px 1px 0px rgba(0,0,0,0.4));
  }
  .logo{

    position: absolute;
    top: 29vh;
    left: 10vw;
    z-index: +3;
    max-width: 195px;
    filter: drop-shadow(1px 1px 0px rgba(70,106,144,0.8));
  }

  .logo_isu{

    position: absolute;
    top: 19vh;
    right: 50vw;
    z-index: +3;
    max-width: 130px;
    filter: drop-shadow(1px 1px 0px rgba(111,91,43,0.8));
  }


.more{
position: absolute;
bottom: 1em;
left: 20vw;
/*-webkit-transform: translateX(-50%);
transform: translateX(-50%);*/
z-index: +3;
width: 0;
height: 0;
border-style: solid;
border-width: 0 40px 35px 40px;
border-color: transparent transparent rgba(255,255,255,1) transparent;

}

.more::before{

    content: 'そら';
    position: relative;
    font-size: 0.8em;
    text-align: center;
    top: 16px;
    height: 10px;
    width: 30px;
    font-weight: bold;
    display: block;
    left: -16px;
  color: #3E527B;

}

.more::after{

content: '\025BE';
    font-size: 0.7em;
    position: relative;
    display: block;
    bottom: -18px;
    left: -5px;
    z-index: +1;
      color: #3E527B;
      opacity: 0.8;
}

.more.isu{



}

.more.isu::before{
color: #6F5B2B;
   content: 'イス';
}
.more.isu::after{
color: #6F5B2B;

}

  .sora1{

  background-image: url(../slide_img/sky.gif);

  }

  .sora2{

  background-image: url(../slide_img/sky2.gif);
   

  }

  .sora3{

  background-image: url(../slide_img/river2.gif);
   

  }

  .sora4{

  background-image: url(../slide_img/s_park.gif);
   

  }

  .isu1{

  background-image: url(../slide_img/isu1.jpg);

  }

.fire{

  background-image: url(../slide_img/fire.png);

  }

  .fire_mask{

  background-image: url(../slide_img/fire_mask.png);

  }

  .isu2{

  background-image: url(../slide_img/isu2.gif);
   

  }

  .isu3{

  background-image: url(../slide_img/isu3.gif);
   

  }

/*  .isu4{

  background-image: url(../slide_img/s_park.gif);
   

  }*/

a.footer-btn {
    position: fixed;
    bottom: 0.5em;
    right: 0.5em;
    z-index: +2;
    max-width: 60px;
    filter: drop-shadow(1px 1px 0px rgba(0,0,0,0.8));
}




@media screen and (max-width: 680px){

::-webkit-scrollbar {

    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;

    width: auto;
}
 
.content-box.sky::before {background-image:none; }

p > br{display: none;}
  .content-box{margin:0 auto;}

  .sora1,.sora2,.sora3,.sora4,.isu1,.isu2,.isu3,.isu4,.fire,.fire_mask{
filter: blur(0);

  }

.last.isu{  background-position: center top;}


  .logo{
  max-width: 165px;
    top: 14vh;
  }

.logo_isu{
  max-width: 105px;
    top: 14vh;
  }

  .insta{

    left:initial;
    right:1em;

  }

  a.footer-btn{right:1em;}

  .content-box h1{

  writing-mode: horizontal-tb;
  writing-mode: initial;
  position: relative;
  text-align: center;
  line-height: 2.6em;
  margin: 0;
  }

  .content-box.isu::before{display: none;}
  .content_text{

  padding-left: 0;

  }

}




.fire {
       position: absolute;
       -webkit-animation: steam_Move 7s infinite linear;
       animation: steam_Move 7s infinite linear;
       transition: all 1s;
   }
 
   @keyframes steam_Move {
        0% {
           filter: blur(30px);
           transform: rotateY(0deg);
           transform: scale(1, 1);
           opacity: 0;
           top: 0px;
       }
       33% {
           transform: rotateY(2deg);
           transform: scale(0.6, 1.2);
            opacity: 0.75;
            filter: blur(16px);
       }
       66% {
           transform: rotateY(30deg);
           transform: scaleY(1.2, 0.4);
            opacity: 0.4;
       }
       100% {
           filter: blur(30px);
           transform: rotateY(2deg);
           transform: scale(1, 1);
           opacity: 0;
           top: -20px;
       }
   }


   @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .fire,.fire_mask{display: none;}
}