.back_img {
  background: url(../img/special/bg.jpg) no-repeat center center;
  -webkit-background-size: cover;
          background-size: cover;
}

.wrapper {
  overflow: hidden;
}

.content {
  position: relative;
  width: 100%;
}

.content:before {
  content: '';
  position: absolute;
  top: 260px;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 29, 134, 0.5);
  z-index: -1;
}

.content:after {
  content: '';
  position: absolute;
  top: 330px;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 29, 134, 0.8);
  z-index: -1;
}

.special_list {
  width: 1100px;
  margin: 0 auto 150px;
  letter-spacing: -.4em;
  font-size: 0;
  text-align: left;
}

.special_list li {
  display: inline-block;
  width: 350px;
  margin-right: 20px;
  margin-bottom: 40px;
  font-size: 18px;
  vertical-align: top;
  letter-spacing: normal;
}

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

.special_list li a {
  display: block;
}

.special_list li .img {
  position: relative;
  height: 210px;
  padding-top: 5px;
  background: url(../img/special/bg_thumb.png) no-repeat center top;
  overflow: hidden;
  text-align: center;
}

.special_list li .img:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url(../img/special/frame_thumb.png) no-repeat center top;
  z-index: 1;
}

.special_list li .img img {
  width: 340px;
  border-radius: 10px;
}

.special_list li .txt {
  margin-top: 5px;
  line-height: 1.4;
}

.special_list li.new_window .img:after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: 66px;
  height: 70px;
  background: url(../img/special/icon_blank.png) no-repeat center top;
  z-index: 1;
}

.special_list li.movie_btn .img:after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: 66px;
  height: 70px;
  background: url(../img/special/icon_movie.png) no-repeat center top;
  z-index: 1;
}

@media screen and (min-width: 751px) {
  .special_list li a .img img {
    -webkit-transition: opacity .3s ease-out;
            transition: opacity .3s ease-out;
  }
  .special_list li a:hover .img img {
    opacity: .6;
    filter: alpha(opacity=60);
  }
}

@media screen and (max-width: 750px) {
  .back_img {
    background: url(../img/special/bg_sp.jpg) no-repeat center center;
    -webkit-background-size: cover;
            background-size: cover;
  }
  .special_list {
    width: 90%;
    margin: 0 auto 100px;
  }
  .special_list li {
    width: 49%;
    margin-right: 2%;
    margin-bottom: 20px;
    font-size: 14px;
  }
  .special_list li:nth-child(3n) {
    margin-right: 2%;
  }
  .special_list li:nth-child(2n) {
    margin-right: 0;
  }
  .special_list li .img {
    height: auto;
    padding-top: 2%;
    padding-bottom: 5%;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .special_list li .img:before {
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .special_list li .img img {
    width: 95%;
    border-radius: 5px;
  }
  .special_list li .txt {
    margin-top: 0;
    line-height: 1.4;
  }
  .special_list li.new_window .img:after {
    width: 33px;
    height: 35px;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
  .special_list li.movie_btn .img:after {
    width: 33px;
    height: 35px;
    -webkit-background-size: 100% auto;
            background-size: 100% auto;
  }
}