body{
  background-color: black;
}

.nt_header_item{
  color: #fff;
}

.header_item_link.current_now_link{
  border-bottom: 0.1rem solid #ffffff;
}

.header_page_title{
  color: #fff;
}

.nt_header_image.white{
  display: block;
}

.nt_header_image.color{
  display: none;
}

.inview {
  animation: fadeup 2s forwards;
}

@keyframes fadeup {
  0% {
    transform: translateY(3rem);
    opacity: 0;
  }
  80% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.advantage{
  /* background-color: black; */
  color: white;
  /* width: 100vw; */
}

.advantage_inner{
  font-family: var(--NotoSerif);
  width: 128rem;
  margin: 0 auto;
  padding: .1rem;
}

.adv_ec{
  aspect-ratio: 1280/323;
  width: 100%;
  position: relative;
}

.adv_ec_image{
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.adv_ec_text{
  position: absolute;
  bottom: -5.6rem;
  left: 7.6rem;
  font-family: var(--Oswald);
  font-size: 9rem;
  font-weight: 700;
  letter-spacing: .2em;
  line-height: 1.5em;
}

.adv_detail{
  display: flex;
  align-items: start;
  gap: 16.3rem;
  margin: 0 7rem;
}

.adv_detail.one{
  margin-top: 12.2rem;

}

.adv_detail.two{
  margin-top: 16.5rem;
}

.adv_detail.three{
  margin-top: 5.1rem;
}

.adv_texts{
  overflow-wrap: break-word;
}

.adv_text_title{
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: .1em;
  line-height: calc(35em/30);
}

.adv_text{
  margin-top: 3rem;
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: calc(22em/16);
}

.adv_detail.two .adv_texts,
.adv_detail.three .adv_texts{
  margin-top: 3.6rem;
  width: 40rem;
}

.adv_images{
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  gap: 2.5rem;
  aspect-ratio: 535/571;
  width: 53.5rem;
}

.adv_detail.three .adv_images{
  flex-direction: column-reverse;
}

.adv_image{
  aspect-ratio: 1/1;
  width: 25.5rem;
  overflow: hidden;
}

.adv_image:first-child{
  margin-top: 3.6rem;
}

.advantage_text_slider{
  width: 100vw;
  height: 21.6rem;
  overflow: hidden;
}

.swiper-wrapper{
  transition-timing-function: linear;
}

.adv_swiper_text{
  aspect-ratio: 861/216;
  max-width: 86.1rem;
  background-image: url(../img/JapanTrading_text.svg);
  background-repeat: no-repeat;
  background-size: cover;
  margin-right: 6.9rem;
}

.strgth_vdo_set {
  margin: 10.174rem auto 18rem;
  width: 121rem;
  height: 46rem;
  overflow: hidden;
}

.strgth_vdo {
  background-color: gray;
  width: 100%;
  object-fit: cover;
}

@media screen and (max-width: 699.98px) {


  @keyframes fade {
    0% {
    opacity: 0;
    }

    7% {
    opacity: 1;
    }

    18% {
    opacity: 1;
    }

    25% {
    opacity: 0;
    }

    100% {
    opacity: 0;
    }
  }
  
  @keyframes fade2 {
    0% {
    opacity: 0;
    }

    7% {
    opacity: 1;
    }

    20% {
    opacity: 1;
    }

    34% {
    opacity: 0;
    }

    100% {
    opacity: 0;
    }
  }


  .advantage_inner{
    font-family: var(--NotoSerif);
    width: 37.5rem;
    margin: 0 auto;
    padding: .1rem;
  }

  .adv_ec{
    aspect-ratio: 375/376.43;
    overflow: hidden;
  }

  .adv_ec_image{
    aspect-ratio: 725/188.48;
    width: 72.5rem;
    height: auto;
  }

  .adv_ec_image:nth-child(1){
    margin-left: -36.5rem;
  }
  
  .adv_ec_image:nth-child(2){
    margin-left: 1rem;
  }

  .adv_ec_text{
    bottom: 13.9rem;
    left: 1rem;
    font-size: 4.5rem;
    letter-spacing: .2em;
    line-height: calc(50em/45);
  }

  .adv_detail{
    flex-direction: column;  
    align-items: center;
    gap: 5rem;
    margin: 0 1rem;
  }

  .adv_detail.one{
    margin-top: 4.5rem;
  }

  .adv_detail.two{
    margin-top: 5rem;
    flex-direction: column-reverse;
  }

  .adv_detail.three{
    margin-top: 5rem;
    flex-direction: column-reverse;
  }

  .adv_texts{
    width: 100%;
    overflow-wrap: break-word;
  }

  .adv_text{
    font-size: 1.4rem;
    font-weight: 400;
    letter-spacing: 0;
    line-height: calc(19em/14);
  }

  .adv_detail.two .adv_texts,
  .adv_detail.three .adv_texts{
    margin: 0;
    width: 100%;
  }

  .adv_images{
    gap: 1.7rem;
    aspect-ratio: 355/379;
    width: 100%;
  }

  .adv_image{
    width: 16.9rem;
  }

  .adv_image:first-child{
    margin-top: 2.1rem;
  }

  .advantage_text_slider{
    margin-top: 2rem;
    width: 100vw;
    height: 9.2rem;
    overflow: hidden;
  }

  .adv_swiper_text{
    aspect-ratio: 287/92;
    width: 28.7rem;
    margin-right: 3.8rem;
  }

  .strgth_vdo_set {
    margin: 5rem auto 15rem;
    aspect-ratio: 375/362;
    width: 100%;
  }

  .strgth_vdo {
    margin:0;
    width: 100%;
    height: auto;
    object-position: 0px -20rem;
  }



}