.main{
  margin-bottom: 20px;
}
section{
  position: relative;
}
#mv .ttl{
  position: absolute;
  top: 55%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 386px;
}
#mv .note{
  position: absolute;
  bottom: .5em;
  right: 1.5em;
  color: #FFF;
  font-size: 12px;
}
#sec1{
  padding-top: 96px;
  text-align: center;
}
#sec1::after{
  content: "";
  display: block;
  width: 100%;
  height: 1017px;
  position: absolute;
  top: 0;
  left: 0;
  background: url(../images/head_bg.png);
  background-size: cover;
  background-position: bottom left;
  z-index: -1;
  pointer-events: none;
}
#sec1 .sec_ttl{
  font-size: 25px;
  margin-bottom: 5em;
  letter-spacing: 0.1em;
}

.splide{
  width: 1000px;
  margin-left: auto;
  margin-right: auto;
}
.splide__slide{
  position: relative;
  background: #FFF;
}
.splide__slide .txt{
  position: absolute;
  right: 0.4em;
  bottom: 0.6em;
  line-height: 1;
  color: #FFF;
  font-size: 17px;
}
.splide__slide .narrow_txt{
  width: 50%;
  transform: translateX(-50%);
  text-align: right;
}
.splide__slide .narrow_img{
  width: 50%;
  margin-left: auto;
  margin-right: auto;
}
.splide .splide__arrow{
  background: url('../images/slide_next.svg') 100% 100%;
  width: 45px;
  height: 45px;
  cursor: pointer;
}
.splide .splide__arrow svg{
  display: none;
}
.splide .splide__arrow--prev{
  left: -4em;
  transform: translateY(-50%) scaleX(-1);
}
.splide .splide__arrow--next{
  right: -4em;
}

.thumb_slide_content{
  width: 1000px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  background: #595757;
}
.thumb_slide_content_item{
  position: relative;
  width: 16.666666666666668%;
  background: #595757;
  cursor: pointer;
  transition: opacity 0.3s ease;
}
.thumb_slide_content_item::after{
  position: absolute;
  content: "";
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  top: 0;
  left: 0;
  transition: background 0.3s ease;
}
.thumb_slide_content_item.is-active::after{
  background: rgba(0, 0, 0, 0);
}
.thumb_slide_content_item .narrow_img{
  width: 50%;
  margin-left: auto;
  margin-right: auto;
}
.thumb_slide_content_item .txt{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #FFF;
  font-size: 16px;
  line-height: 1.3;
  width: 100%;
  text-align: center;
  z-index: 1;
}


@media(max-width:1400px){
  .main{
    margin-bottom: 1.42vw;
  }
  #mv .ttl{
    width: 27.57vw;
  }
  #mv .note{
    font-size: 0.85vw;
  }
  #sec1{
    padding-top: 6.85vw;
  }
  #sec1::after{
    height: 72.64vw;
  }
  #sec1 .sec_ttl{
    font-size: 1.78vw;
  }

  .splide{
    width: 71.42vw;
  }
  .splide__slide .txt{
    font-size: 1.21vw;
  }
  .splide .splide__arrow{
    width: 3.21vw;
    height: 3.21vw;
  }
  
  .thumb_slide_content{
    width: 71.42vw;
    margin-top: 1.42vw;
  }
  .thumb_slide_content_item .txt{
    font-size: 1.14vw;
  }
}
@media(max-width:750px){
  #mv .ttl{
    width: 51.46vw;
    top: 50%;
  }
  #mv .note{
    font-size: 2.5vw;
    right: .6em;
  }
  #sec1{
    padding-top: 11.46vw;
  }
  #sec1::after{
    height: 98.13vw;
    background: url(../images/head_bg_sp.png);
    background-size: cover;
    background-position: bottom left;
  }
  #sec1 .sec_ttl{
    font-size: 4.8vw;
    margin-bottom: 1.3em;
    letter-spacing: 0.35em;
    line-height: 2;
  }
  .splide{
    width: 81.33vw;
  }
  .splide__slide .txt{
    font-size: 2.66vw;
  }
  .splide .splide__arrow{
    width: 7vw;
    height: 7vw;
  }
  .splide .splide__arrow--prev{
    left: -1.95em;
  }
  .splide .splide__arrow--next{
    right: -1.95em;
  }
  .thumb_slide_content{
    width: 81.33vw;
    margin-top: 7.33vw;
  }
  .thumb_slide_content_item{
    width: 33.333333333333336%;
  }
  .thumb_slide_content_item .txt{
    font-size: 2.93vw;
  }
}