.l_pc {
    display: block;
}

.l_sp {
    display: none;
}
.line_form {
    width: 100%;
}
.line_form .box{
    background-color: #00c300;
    margin: 0 auto 40px;
    padding: 20px 18px 18px;
}

.line_form .box .ttl{
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: #ffffff;
    padding-bottom: 20px;
}

.line_form .box .txt{
    margin: 0 auto;
    background-color: #ffffff;
    border-radius: 5px;
    text-align: center;
    padding: 18px;
}

.line_form .box .txt p{
    font-size: 16px;
}

.line_form .box .txt .btn_box{
    width: 470px;
    margin: 0 auto;
}
.line_form .box .txt .btn_box a{
    display: inline-block;
}



@media screen and (max-width: 640px){
    .l_pc {
        display: none;
    }

    .l_sp {
        display: block;
    }
    .line_form {
        width: 100%;
    }
    .line_form .box{
        background-color: #00c300;
        margin: 0 auto 40px;
        padding: 2.667vw 2.4vw 2.4vw;
    }
    
    .line_form .box .ttl{
        text-align: center;
        font-size: 2.667vw;
        font-weight: bold;
        color: #ffffff;
        padding-bottom: 2.667vw;
    }
    
    .line_form .box .txt{
        margin: 0 auto;
        background-color: #ffffff;
        border-radius: 0.667vw;
        text-align: center;
        padding: 2.4vw;
    }
    
    .line_form .box .txt p{
        font-size: 2.133vw;
    }
    
    .line_form .box .txt .btn_box{
        width: 100%;
        margin: 0 auto;
    }
    .line_form .box .txt .btn_box img{
        max-width: 100%;
        height: auto;
        width /***/:auto;　
    }

    .line_form .box .txt .btn_box a{
        display: inline-block;
    }
}