/* PCでは非表示にする */
.sp-only {
  display: none;
}

/* スマホ（画面幅767px以下）の時だけ表示する */
@media (max-width: 740px) {
  .sp-only {
    display: inline;
  }
}
#dialog{
    width: 1000px;
    text-align: center;
    padding: 30px;
    position: relative;
    height: auto;
    padding-left: 30px;
    padding-right: 30px;
    margin: 0 auto;
    max-width: 100%;
    box-sizing: border-box;
    margin-bottom: 20px;
    margin-top: 20px;
}
#dialog h3 img{
    width: 300px;
    padding-left: 30px;
    padding-right: 30px;
    margin-top: 15px;
    margin-bottom: -30px;
    text-align: center;
    position: relative;
    height: auto;
    margin: 0 auto;
    max-width: 100%;
    box-sizing: border-box;
}
#dialog h1{
    text-align: center;
    color: #386593;
    font-size: 30pt;
    margin-top: 30px;
    letter-spacing: 3px;
}

#dialog h2{
    text-align: center;
    font-size: 25pt;
    padding-top: 20px;
    letter-spacing: 3px;
}

#dialog button{
    background-color: white;
  align-items: center;
  text-align: center;
    font-size: 35pt;
    width: 300px;
  height:120px;
  border-radius: 12px;
  border: 8px solid;
}

.boxa {
    display: flex;
    justify-content: center;
    padding: 20px;
    margin-left: 20px;
    margin-right: 20px;
  }
  .btn1 {
    font-size: 20px;
    padding: 10px;
    margin: 20px;
    display: block;
  }
  .byn1:last-child {
    margin-right: 0;
  }

  @media (max-width: 600px){
    #dialog{
    width: 1000px;
    text-align: center;
    padding: 10px;
    position: relative;
    height: auto;
    padding-left: 0px;
    padding-right: 0px;
    margin: 0 auto;
    max-width: 100%;
    box-sizing: border-box;
    margin-bottom: 20px;
    margin-top: 20px;
}
    .boxa {
    display: flex;
    justify-content: center;
    padding: 10px;
    margin-left: 0px;
    margin-right: 0px;
    flex-direction: column;
  }
  #dialog h3 img{
    width: 300px;
    padding-left: 80px;
    padding-right: 80px;
    margin-top: 15px;
    margin-bottom: -30px;
    text-align: center;
    position: relative;
    height: auto;
    margin: 0 auto;
    max-width: 100%;
    box-sizing: border-box;
}
#dialog h1{
    text-align: center;
    color: #386593;
    font-size: 17pt;
    margin-top: 20px;
    margin-bottom: -20px;
    letter-spacing: 3px;
}
    
    #dialog h2{
        text-align: center;
        font-size: 15pt;
        padding-top: -20px;
    }
    .btn1 {
        padding: 2px;
        margin: 5px;
        display: block;
        margin-top: -10px;
      }
    .btn1 img{
        width: 150px;
        padding: 5px;
    }
  }