body{
  margin: 0px;
  padding: 0px;
  height: auto;
}
header{
  height: auto;
  width: 100%;
  position: relative;
}
.menu{
  position: absolute;
  z-index: 20;
  right: 0px;
}
.menu ul{
  list-style: none;
  width: 520px;
}
.menu ul li{
  float: left;
  margin-right: 20px;
}
.menu ul li a{
  text-decoration: none;
  color: white;
  font-weight: bold;
}
.menu ul li a:hover{
  opacity: 0.7;
  transition: 0.4s;
}
.header_img img{
  width: 100%;
  display: block;
  position: relative;
  margin: auto;
}
.logo{
  top:0;
  position: absolute;
  z-index: 40;
  width: 150px;
}
.download_button{
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  margin-top: 310px;
  display: block;
  z-index: 10;
  width: 280px;
}
.download_button:hover{
  opacity: 0.6;
  transition: 0.4s;
}
.kiyaku{
  position: absolute;
  z-index: 10;
  width: 270px;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  list-style: none;
  margin-top: 420px;
}
.kiyaku li:first-child{
  float: left;
}
.kiyaku li:last-child{
  float: right;
  margin-right: 35px;
}
.kiyaku a{
  text-decoration: none;
  color: white;
  font-size: 13px;
}
.r18{
  clear: both;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  text-align: center;
  margin-top: 450px;
  width: 100%;
  color: white;
  font-weight: bold;
  opacity: 0.8;
}
.hamburger_menu{
  display: none;
}
.nav{
  display: none;
}

@media screen and (max-width:1080px){
  .hamburger_menu{
    position: absolute;
    width: 80px;
    height: 60px;
    z-index: 40;
    right: 20px;
    top:20px;
    display: block;
  }
  .top_line,.middle_line,.under_line{
    position: absolute;
    width: 100%;
    height: 6px;
    background: white;
    transition: 0.5s;
  }
  .middle_line{
    top:27px;
  }
  .under_line{
    bottom: 0;
  }
  .open .top_line{
    top:27px;
    transform: rotate(315deg);
  }
  .open .middle_line{
    opacity: 0;
  }
  .open .under_line{
    bottom: 27px;
    transform: rotate(-315deg);
  }
  .nav{
    width: 100%;
    position: absolute;
    z-index: 30;
    height: 800px;
    background:  #72c3c7;
    display: none;
  }
  .nav ul{
    position: relative;
    width: 90%;
    margin-top: 200px;
    list-style: none;
  }
  .nav ul li{
    margin-top: 40px;
    border-bottom: 2px solid white;
  }
  .nav ul li a{
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 40px;
    z-index: 40;
    letter-spacing: 2px;
  }
  .download_button{
    margin-top:250px;
  }
  .kiyaku{
    margin-top: 350px;
  }
  .r18{
    margin-top: 380px;
  }
  .menu{
    display: none;
  }
}
@media screen and (max-width:935px){
  .download_button{
    margin-top:210px;
    width: 230px;
  }
  .kiyaku{
    margin-top: 290px;
  }
  .r18{
    margin-top: 310px;
  }
}
@media screen and (max-width:778px){
  .download_button{
    margin-top:180px;
    width: 180px;
  }
  .kiyaku{
    margin-top: 240px;
  }
  .r18{
    margin-top: 270px;
  }
}
@media screen and (min-width:1327px){
  .download_button{
    margin-top:390px;
  }
  .kiyaku{
    margin-top: 490px;
  }
  .r18{
    margin-top: 520px;
  }
}
@media screen and (min-width:1700px){
  .download_button{
    margin-top:540px;
    width: 300px;
  }
  .kiyaku{
    margin-top: 650px;
  }
  .r18{
    margin-top: 680px;
  }
}




#middle{
  position: relative;
}
#middle h1{
  margin-top: 100px;
  text-align: center;
  font-weight: normal;
  font-size: 40px;
  color: #72c3c7;
}
.iphon{
  width: 630px;
  margin: auto;
}
.iphon1,.iphon2{
  float: left;
  width: 300px;
  display: block;
  margin-top: 10px;
  margin-bottom: 60px;
}
.iphon2{
  margin-left: 30px;
}
.howtouse{
  clear: both;
}
.box_all{
  position: relative;
  width: 1000px;
  height: 510px;
  background: #27160a;
  margin: auto;
  overflow: hidden;
  box-shadow: 2px 2px 4px gray;
}



@media screen and (max-width:1080px){
  #middle h1{
    font-size: 50px;
  }
  .box_all{
    width: 100%;
    box-shadow: none;
  }
}



.box_all img{
  height: 510px;
  position: absolute;
}
.box_right{
  width: 600px;
  height: 510px;
  background: white;
  position: relative;
  float: right;
}
.box_top,.box_middle,.box_bottom{
 width:95%;
 height: 150px;
 background: white;
 margin: auto;
}
.box_top,.box_middle{
  border-bottom: 5px dotted #72c3c7;
  box-sizing: border-box;
}
.box_all h2,.box_all p{
  color:  #559497;
}
.box_all h2{
  margin-bottom: 3px
}
.min_img{
  display: none;
}



@media screen and (max-width:1080px){
.box_all{
    height: auto;
  }
.box_right{
  width: 100%;
  height: auto;
  }
.box_top,.box_middle,.box_bottom{
  height: auto;
  }
.min_img{
  display: block;
  width: 500px;
  margin: auto;
  }
.box_bottom p{
  padding-bottom: 80px;
  }
.box_top{
  margin-top: 100px;
  }
 }

.ansin{
  width: 100%;
  height: 600px;
  background: linear-gradient(to bottom, #FFF, #eaf0e8, #e8f1ff);
  margin-top: -300px;
}
.ansin h2{
  padding-top: 350px;
  color: #8a8a8a;
  font-size: 30px;
  text-align: center;
}
.ansin p{
  color: #8a8a8a;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
}



@media screen and (max-width:1080px){
  .ansin{
    height: auto;
  }
.ansin h2{
  font-size: 30px;
}
.ansin p{
  width: 97%;
  font-size: 26px;
  margin: auto;
  padding-bottom: 40px;
}
}



.green{
  color: #71c3c7;
}
.information{
  width: 1040px;
  margin: auto;
}

.download{
      margin: auto;
  width: 500px;
  height: 500px;
  margin-top: 20px;
}
.download h2,.download p,.download h4{
  text-align: center;
}
.download h4{
  color: #8a8a8a;
  margin-bottom: 0;
  margin-top: 50px;
}
.download h2{
  color: #71c3c7;
  margin-top: 5px;
}
.download p{
  font-size: 14px;
}
.download a{
  text-decoration: none;
}
.download img{
  width: 300px;
  display: block;
  margin: auto;
  margin-top: 20px;
}



@media screen and (max-width:1080px){
  .information{
    width: 100%;
    margin: auto;
    margin-bottom: 50px;
  }
  .facebook{
    float: none;
    width: 500px;
    margin: auto;
    margin-top: 50px;
  }
  .download{
    float: none;
    width: 90%;
    margin: auto;
    height: auto;
  }
  .download h2,.download h4{
    font-size: 26px;
  }
  .download p{
    font-size: 13px;
  }
}



footer{
  overflow: hidden;
  clear: both;
  width: 100%;
  height: 100px;
  background: #8a8a8a;
}
footer ul{
  list-style: none;
  margin-top: 20px;
}
footer li{
  float: left;
  padding: 0 10px;
}
footer li:not(:last-child){
  border-right: 1px solid white;
}
footer a{
  color: white;
  text-decoration: none;
  font-size: 13px;
}



@media screen and (max-width:1080px){
  footer a{
    font-size: 18px;
  }
}