@charset "utf-8";
#web_book {
  background: #f0f0f0;
}
#web_book .inner {
  background: #fff;
  overflow: hidden;
  position: relative;
  padding: 40px;
  min-width: 600px;
  width: 100%;
  max-width: 1600px;
  min-height: calc((600px - 80px) / 1520 * 1073);
  max-height: calc((1600px - 80px) / 1520 * 1073);
  margin: 0 auto;
}
#web_book .inner .front_page {
  opacity: 0;
  position: relative;
  top: 800px;
  min-width: calc(600px - 80px)/2;
  max-width: calc(1600px - 80px)/2;
  width: 50%;
  height: 0;
  padding-bottom: calc(100% / 1520 * 1073);
  margin: 0 auto;
  -webkit-transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53);
  -moz-transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53);
  -ms-transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53);
  -o-transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53);
  transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53);
  box-shadow: 3px 3px 6px rgba(0,0,0,0.2);
}
#web_book .inner .front_page.on {
  opacity: 1;
  top: 0;
  -webkit-transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  -moz-transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  -ms-transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  -o-transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transition: opacity 0.4s linear, top 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
#web_book .inner .front_page.none {
  display: none;
}
#web_book .inner .front_page img {
  cursor: pointer;
  display: block;
  width: 100%;
}
#web_book .inner .pages_wrap {
  display: none;
  position: relative;
  min-width: calc(600px - 80px);
  max-width: calc(1600px - 80px);
  width: 100%;
  height: 0;
  padding-bottom: calc(100% / 1520 * 1073);
  margin: 0 auto;
  box-shadow: 3px 3px 6px rgba(0,0,0,0.2);
}
#web_book .inner .pages_wrap ul {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding-bottom: calc(200% / 1520 * 1073);
}
#web_book .inner .pages_wrap ul li {
  display: none;
  z-index: 1;
  position: absolute;
  top: 0;
  right: 100%;
  width: 100%;
  -webkit-transition: right 0.76s cubic-bezier(0.19, 1, 0.22, 1);
  -moz-transition: right 0.76s cubic-bezier(0.19, 1, 0.22, 1);
  -ms-transition: right 0.76s cubic-bezier(0.19, 1, 0.22, 1);
  -o-transition: right 0.76s cubic-bezier(0.19, 1, 0.22, 1);
  transition: right 0.76s cubic-bezier(0.19, 1, 0.22, 1);
}
#web_book .inner .pages_wrap ul li.on,
#web_book .inner .pages_wrap ul li .on_slide {
  right: 0;
}
#web_book .inner .pages_wrap ul li.show {
  display: block;
}
#web_book .inner .pages_wrap ul li:first-child {
  display: block;
}
#web_book .inner .pages_wrap ul li img {
  display: block;
  width: 100%;
}
#web_book .inner .pages_wrap .ui_left {
  left: 0;
  cursor: pointer;
  top: 0;
  z-index: 9999;
  width: 50%;
  height: 100%;
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
}
#web_book .inner .pages_wrap .ui_right {
  right: 0;
  cursor: pointer;
  top: 0;
  z-index: 9999;
  width: 50%;
  height: 100%;
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
}
#web_book .inner .pages_wrap .ui_sp {
  width: 100%;
  height: 100%;
  position: absolute;
  display: none;
  cursor: pointer;
  top: 0;
  left: 0;
  z-index: 9999;
}
#web_book .inner .pages_wrap .bookmark {
  position: absolute;
  top: auto;
  bottom: -40px;
  right: 0;
  width: 52px;
  height: 40px;
}
#web_book .inner .pages_wrap .bookmark .tag {
  width: 12px;
  height: 9px;
  margin: 0 auto;
}
#web_book .inner .pages_wrap .bookmark .tag img {
  display: block;
  width: 100%;
}
#web_book .inner .pages_wrap .bookmark .page_num {
  position: absolute;
  top: 16px;
  left: 0;
  right: 0;
  width: 100%;
  margin: auto;
  font-size: 11px;
  text-align: center;
}
#web_book .inner .pages_wrap .loading {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 20;
  background: #fff;
  opacity: 0.5;
}
@media (max-width: 599px) {
  #web_book .inner {
    min-width: 280px;
    max-width: 560px;
    min-height: calc((320px - 20px * 2) / (1520 / 2) * 1073);
    max-height: calc((600px - 20px * 2) / (1520 / 2) * 1073);
    margin: 0 auto;
    padding: 40px 0;
  }
  #web_book .inner .front_page {
    min-width: calc(320px - 20px * 2);
    max-width: calc(600px - 20px * 2);
    width: 100%;
    margin: 0 20px;
    padding-bottom: calc(100% / (1520 / 2) * 1073);
  }
  #web_book .inner .pages_wrap {
    min-width: calc(320px - 20px);
    max-width: calc(600px - 20px);
    width: calc(100% + 20px);
    margin: 0 20px 0 0;
    padding-bottom: calc((100% + 20px) / (1520 / 2) * 1073);
    -webkit-transition: margin 0.76s cubic-bezier(0.19, 1, 0.22, 1);
    -moz-transition: margin 0.76s cubic-bezier(0.19, 1, 0.22, 1);
    -ms-transition: margin 0.76s cubic-bezier(0.19, 1, 0.22, 1);
    -o-transition: margin 0.76s cubic-bezier(0.19, 1, 0.22, 1);
    transition: margin 0.76s cubic-bezier(0.19, 1, 0.22, 1);
  }
  #web_book .inner .pages_wrap.slide {
    margin: 0 0 0 20px;
  }
  #web_book .inner .pages_wrap>ul {
    width: 200%;
    position: absolute;
    right: 0;
  }
  #web_book .inner .pages_wrap .ui_left {
    display: none;
  }
  #web_book .inner .pages_wrap .ui_right {
    display: none;
  }
  #web_book .inner .pages_wrap .ui_sp {
    display: block;
  }
  #web_book .inner .pages_wrap ul li.on,
  #web_book .inner .pages_wrap .on_slide {
    right: 0;
  }
  #web_book .inner .pages_wrap ul li.on.slide {
    right: -50%;
  }
}