.about_nav {
  margin: 40px 0 55px;
  text-align: center;
}

.about_nav li {
  display: inline-block;
  width: 266px;
  vertical-align: top;
}

.about_nav li .atv {
  display: none;
}

.about_nav li.nav_on .off {
  display: none;
}

.about_nav li.nav_on .atv {
  display: block;
}

.about_nav li.nav_on a {
  -webkit-animation: none !important;
          animation: none !important;
}

.about_nav li a {
  display: block;
}

.episode_wrap {
  width: 1000px;
  margin: 0 auto;
  padding: 60px;
  background-color: rgba(0, 0, 0, .7);
  border-radius: 20px;
}

.episode_wrap .volume {
  color: #da0728;
  font-weight: bold;
  font-size: 20px;
}

.episode_wrap .episode_title {
  margin-top: 10px;
  font-weight: bold;
  font-size: 30px;
  line-height: 1.4;
}

.episode_wrap .date {
  margin-top: 5px;
  color: #979797;
  font-weight: bold;
  font-size: 15px;
  float:left;
  width:20%;
}

.episode_wrap .episodesns {
  float:right;
  width:auto;
  display:block;
}

.episode_wrap .episodesns li{

  margin-right:15px;
  float:left;
}



.episode_wrap .video-container {
  position: relative;
  width: 100%;
  margin-top: 30px;
  padding-top: 56.25%;
  clear:both;
}

.episode_wrap .video-container iframe {
  position: absolute;
  top: 0;
  right: 0;
  width: 100% !important;
  height: 100% !important;
}

.episode_wrap .episode_staff {
  margin-top: 40px;
  font-size: 15px;
  line-height: 1.4;
}

.episode_wrap .episode_txt {
  margin-top: 20px;
  font-size: 18px;
  line-height: 1.7;
  font-weight:normal;
}

.episode_wrap .episode_thumb {
  font-size: 0;
  letter-spacing: -.4em;
}

.episode_wrap .episode_thumb li {
  display: inline-block;
  width: 32%;
  margin-top: 35px;
  margin-right: 2%;
  font-size: 15px;
  letter-spacing: normal;
}

.episode_wrap .episode_thumb li:nth-child(3n) {
  margin-right: 0;
}

.episode_wrap .pagination {
  margin-top: 50px;
  font-weight: bold;
  font-size: 18px;
}

.episode_wrap .pagination a {
  text-decoration: none;
}

.episode_wrap .pagination .pageNext {
  float: left;
}

.episode_wrap .pagination .pageNext a {
  display: block;
  position: relative;
  padding-left: 15px;
}

.episode_wrap .pagination .pageNext a:before {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 0;
  height: 0;
  border-width: 5px 5px 5px 0;
  border-style: solid;
  border-color: transparent #f4e001 transparent transparent;
}

.episode_wrap .pagination .bpagePrev {
  float: right;
}

.episode_wrap .pagination .bpagePrev a {
  display: block;
  position: relative;
  padding-right: 15px;
}

.episode_wrap .pagination .bpagePrev a:before {
  content: "";
  position: absolute;
  top: 3px;
  right: 0;
  width: 0;
  height: 0;
  border-width: 5px 0 5px 4px;
  border-style: solid;
  border-color: transparent transparent transparent #f4e001;
}

.episode_list h3 {
  margin-top: 100px;
  color: #f4e001;
  font-weight: bold;
  font-size: 32px;
  text-align: center;
}

.episode_list ul {
  width: 1016px;
  margin: 12px auto;
  font-size: 0;
  letter-spacing: -.4em;
}

.episode_list ul li {
  display: inline-block;
  width: 238px;
  margin: 16px 8px 0;
  background-color: #000;
  border-radius: 10px;
  vertical-align: top;
  font-weight: bold;
  font-size: 14px;
  letter-spacing: normal;
}

.episode_list ul li a {
  display: block;
  padding: 20px;
  color: #fff;
  text-decoration: none;
}

.episode_list ul li .volume {
  padding-top: 15px;
  color: #da0728;
  font-weight: bold;
}

.episode_list ul li .episodetitle {
  padding-top: 7px;
  line-height: 1.4;
}

.episode_list ul li .date {
  padding-top: 12px;
  color: #979797;
  font-size: 12px;
}

@media screen and (max-width: 767px) {
  .about_nav {
    margin: 0 0 8%;
  }
  .about_nav li {
    width: 43.5%;
    margin-bottom: 0;
  }
  .episode_wrap {
    width: 89.5%;
    padding: 25px 20px;
    border-radius: 10px;
  }
  .episode_wrap .volume {
    font-size: 13px;
  }
  .episode_wrap .episode_title {
    margin-top: 5px;
    font-size: 20px;
    line-height: 1.4;
  }
  .episode_wrap .date {
    margin-top: 10px;
    font-size: 11px;
    width:auto;
  }
  
  


.episode_wrap .episodesns {
  width:auto;
  display:inline-block;
  margin:10px 0 0;
  float:none;
}

.episode_wrap .episodesns li{
  display:inlilne-block;
  margin-right:10px;
  float:left;
}


  
  .episode_wrap .video-container {
    margin-top: 20px;
  }
  .episode_wrap .episode_staff {
    margin-top: 25px;
    font-size: 12px;
    line-height: 1.7;
  }
  .episode_wrap .episode_txt {
    margin-top: 15px;
    font-size: 14px;
    line-height: 1.6;
    font-weight:normal;
  }
  .episode_wrap .episode_thumb {
    margin-top: 15px;
  }
  .episode_wrap .episode_thumb li {
    width: 100%;
    margin-top: 3%;
    margin-right: 0;
  }
  .episode_wrap .pagination {
    margin-top: 25px;
    font-size: 18px;
  }
  .episode_list h3 {
    margin-top: 70px;
    font-size: 22px;
  }
  .episode_list ul {
    width: 92%;
    margin: 10px auto;
  }
  .episode_list ul li {
    width: 47%;
    margin: 3% 1.5% 0;
    font-size: 12px;
  }
  .episode_list ul li a {
    padding: 12px;
  }
  .episode_list ul li .volume {
    padding-top: 12px;
  }
  .episode_list ul li .episodetitle {
    padding-top: 6px;
    line-height: 1.4;
  }
  .episode_list ul li .date {
    padding-top: 8px;
    font-size: 11px;
  }
}