@charset "utf-8";
/* CSS Document */

/*****************
ress.css v5.0.2

he MIT License (MIT)

Copyright © 2016 Filipe Linhares(http://filipelinhares.com/)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*****************/
html{-webkit-text-size-adjust:100%;box-sizing:border-box;-moz-tab-size:4;tab-size:4;word-break:normal}*,:after,:before{background-repeat:no-repeat;box-sizing:inherit}:after,:before{text-decoration:inherit;vertical-align:inherit}*{margin:0;padding:0}hr{color:inherit;height:0;overflow:visible}details,main{display:block}summary{display:list-item}small{font-size:80%}[hidden]{display:none}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}a{background-color:transparent}a:active,a:hover{outline-width:0}code,kbd,pre,samp{font-family:monospace,monospace}pre{font-size:1em}b,strong{font-weight:bolder}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{border-color:inherit;text-indent:0}iframe{border-style:none}input{border-radius:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}textarea{overflow:auto;resize:vertical}button,input,optgroup,select,textarea{font:inherit}optgroup{font-weight:700}button{overflow:visible}button,select{text-transform:none}[role=button],[type=button],[type=reset],[type=submit],button{cursor:pointer}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{border-style:none;padding:0}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button:-moz-focusring{outline:1px dotted ButtonText}[type=reset],[type=submit],button,html [type=button]{-webkit-appearance:button}button,input,select,textarea{background-color:transparent;border-style:none}a:focus,button:focus,input:focus,select:focus,textarea:focus{outline-width:0}select{-moz-appearance:none;-webkit-appearance:none}select::-ms-expand{display:none}select::-ms-value{color:currentColor}legend{border:0;color:inherit;display:table;max-width:100%;white-space:normal}::-webkit-file-upload-button{-webkit-appearance:button;color:inherit;font:inherit}[disabled]{cursor:default}img{border-style:none}progress{vertical-align:baseline}[aria-busy=true]{cursor:progress}[aria-controls]{cursor:pointer}[aria-disabled=true]{cursor:default}

/*以下カスタム*/

html,body{
    width: 100%;
    height: 100%;
    background:#000;
    position: relative;
    overflow: hidden;
}


#image {
    width: 100%; /* 画像の幅 */
    aspect-ratio: 16/ 9;
    user-select: none;
    pointer-events: none;
}

#slider_bg{
    position: absolute;
    width: calc(1360 / 1920 * 100%);
    height: calc(40 / 1200 * 100%);
    bottom:calc(168 / 960 * 100%);
    left:185px;
    background:#999;
    z-index: 0;
}

#slider{
    position: absolute;
    width: calc(1440 / 1920 * 100%);
    height: calc(40 / 1200 * 100%);
    bottom:calc(168 / 960 * 100%);
    left:155px;
    background:transparent;
    -webkit-appearance: none;
    appearance: none;
    outline: 0; /* アウトラインを消して代わりにfocusのスタイルをあてる */
    z-index: 2;
    cursor: pointer;

    &:focus {
      box-shadow: none;
    }
    &::-webkit-slider-thumb {
      -webkit-appearance: none;
      appearance: none;
      background: #fff;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      box-shadow: 3px 3px 7px 2px rgba(0, 0, 0, 0.5);
      cursor: pointer;
    }

    /* -moz-向けのつまみ */
    &::-moz-range-thumb {
      background: #fff;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      box-shadow: 3px 3px 7px 2px rgba(0, 0, 0, 0.5);
      border: none;
    }
    /* Firefoxで点線が周りに表示されてしまう問題の解消*/
    &::-moz-focus-outer {
      border: 0;
    }
    /* つまみをドラッグしているときのスタイル*/
    &:active::-webkit-slider-thumb {
      translate:0 0;
    }
  }

  #intro_icon{
      position: absolute;
      bottom:calc(120 / 960 * 100%);
      left: 145px;
      width: 75px;
      height: auto;
      z-index: 10;
      animation: intro_slide 2s linear infinite;
      pointer-events: none;

      &.fadeout{
        transition-duration: 0.5s;
        opacity:0;
      }
  }
  @keyframes intro_slide {
      0% {
          transform:translate(0,0);
      }
      25%{
          transform:translate(-30%,0);
      }
      75%{
          transform:translate(30%,0);
      }
      100% {
          transform:translate(0,0);
      }
  }

  #chapter_lines{
    position: absolute;
    pointer-events: none;
    width: calc(1360 / 1920* 100%);
    height: calc(40 / 1200* 100%);
    bottom:calc(168 / 960 * 100%);
    left: 185px;
    z-index: 1;
    list-style: none;

    li{
      position: absolute;
      width:48px;
      height: 48px;
      border-radius: 50%;
      background:#999;
      z-index:2;
      translate: -50% -8px;
    }
    li::after{
      position: absolute;
      top:calc(50% - 12px);
      left:calc(50% - 12px);
      background:#111;
      border-radius: 50%;
      width:24px;
      height:24px;
      z-index:3;
      content : "";
    }
  }
  #chapter1{
    left:0;
  }
  #chapter2{
    left:calc(19 / 77 * 100%);
  }
  #chapter3{
    left:calc(38 / 77 * 100%);
  }
  #chapter4{
    left:calc(48 / 77 * 100%);
  }
  #chapter5{
    left:calc(58 / 77 * 100%);
  }
  #chapter6{
    left:calc(77 / 77 * 100%);
  }

  #chapter_thumbs{
    position: absolute;
    width : calc(990 / 1280 * 100%);
    height : calc(120 / 960 * 100%);
    bottom:0;
    left:145px;
    display: flex;
    justify-content: space-between;
    list-style: none;

    li{
      cursor: pointer;
    }
  }