#use .mv{
  background: url(../img/use/mv_use.jpg) no-repeat center/cover;
}
@media screen and (max-width: 600px) {
  #use .mv{
    background: url(../img/use/mv_use_sp.jpg) no-repeat center/cover;
  }
}

/* --------------------------------------*/
/* use_area */
/* --------------------------------------*/
.use_area{
  background: #d70000;
  position: relative;
}
.use_list-container{
  position: relative;
  margin: 0 auto;
}
.use_slider-items .slick-list{
  overflow: inherit;
  z-index: 2;
}
.use_list{
  position: relative;
  z-index: 2;
  padding: 160px 0 70px;
}
.use_list:before{
  content: "EASY TO USE";
  position: absolute;
  font-size: 20rem;
  font-family: 'Arvo', serif;
  color: #fff;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 0;
  white-space: nowrap;
}
.use_list .inner{
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  position: relative;
}
.use_area .txt{
  position: absolute;
  z-index: 2;
  color: #fff;
  text-align: left;
  max-width: 1200px;
  margin: 0 auto;
  left: 0;
  top: 80px;
  font-size: 1.8rem;
}
.use_area .txt small{
  display: block;
  font-size: 1rem;
}
.use_area .number{
  position: absolute;
  bottom: -50px;
  left: 20px;
  font-size: 5rem;
  font-family: 'Arvo', serif;
  color: #fff;
}
.use_area .number:after{
  content: "Step";
  font-family: 'Lobster', cursive;
  font-size: 4.4rem;
  color: #000;
  position: absolute;
  left: 55px;
  top: 50%;
  transform: translateY(-50%);
}
.use_area .number strong{
  font-size: 25rem;
  margin-right: 30px;
}
.use_area .item_ttl{
  position: absolute;
  left: 0;
  bottom: 40px;
  color: #fff;
}
.use_list figure{
  position: relative;
  width: 600px;
  margin: 0px auto 100px;
  background: #000;
  padding: 15px;
}
.use_list figure::after{
  content: "";
  background: url(../img/use/items.png) no-repeat center/contain;
  width: 324px;
  height: 367px;
  position: absolute;
  left: calc(100% - 50px);
  bottom: -70px;
}
.youtube_link{
  position: absolute;
  bottom: 0;
  right: 0;
  z-index: 4;
  font-size: 2.8rem;
  font-family: 'Lobster', cursive;
  background: #000;
  color: #d70000;
  display: flex;
  align-items: center;
  width: 280px;
  height: 130px;
  justify-content: center;
  transition: 0.3s;
}
.youtube_link:hover{
  background: #fff;
  color:#d70000 ;
  transition: 0.3s;
}
.youtube_link svg{
  fill: #d70000;
  width: 62px;
  height: 45px;
  margin-left: 20px;
  transition: 0.3s;
}
.youtube_link:hover svg{
  fill:#d70000 ;
  transition: 0.3s;
}
@media screen and (max-width: 600px) {
  .use_list{
    padding: 80px 0 0;
  }
  .use_list:before{
    font-size: 5rem;
  }
  .use_list .inner{
    margin: 0 5%;
    flex-direction: column;
  }
  .use_area .txt{
    position: static;
    margin: 0 auto 0 0;
    font-size: 1.4rem;
  }
  .use_area .txt small{
    display: block;
    font-size: 1rem;
  }
  .use_area .number{
    position: relative;
    bottom: auto;
    left: 8vw;
    font-size: 3rem;
    color: #fff;
    text-align: center;
  }
  .use_area .number:after{
    content: none;
  }
  .use_area .number strong{
    font-size: 12rem;
    margin-right: 20px;
    position: relative;
  }
  .use_area .number strong:after{
    content: "Step";
    font-family: 'Lobster', cursive;
    font-size: 2.2rem;
    color: #000;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
  }
  .use_area .item_ttl{
    position: absolute;
    left: 0;
    bottom: 40px;
    color: #fff;
  }
  .use_list figure{
    width: 85%;
    margin: -20px auto 30px;
    padding: 8px;
  }
  .use_list figure::after{
    width: 40%;
    height: 33vw;
    left: auto;
    bottom: -24vw;
    right: calc(0px - 15%);
  }
  .youtube_link{
    position: static;
    font-size: 1.4rem;
    width: 50%;
    height: 80px;
    margin-left: auto;
    max-width: 220px;
  }
  .youtube_link svg{
    width: 40px;
    height: 30px;
    margin-left: 15px;
  }
}

/* 20221223 SWIPEアイコン */
@media screen and (max-width: 600px) {
  .fadein{
    opacity: 1;
    width: 150px;
    height: 150px;
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 3;
    transform: translate(-50%, -50%);
    background: rgb(255 255 255 / 80%);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .fadein::after{
    content: "";
    width: 70%;
    height: 70%;
    background: url(../img/top/icon_flick.png) no-repeat center/contain;
    animation: swipe 2.5s ease-in-out infinite;
  }
  .fadein.active{
    animation: fadein-keyframes 3s ease 0s 1 forwards;
    pointer-events: none;
  }
  @keyframes fadein-keyframes {
    0% {
      opacity: 1;
    }
    100% {
      opacity: 0;
    }
  }
  @keyframes swipe {
    0%,100%{
        transform:translateX(5px);
    }
    50%{
        transform:translateX(-5px);
    }
  }
}