* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
  
html,
body {
    font-family: 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', Meiryo, メイリオ, Osaka, 'MS PGothic', arial, helvetica, sans-serif;
    line-height: 1.5;
    font-size: 20px;
    color: #000000;
    background: #ffffff;
}
.main{
    max-width: 800px;
    margin: 54px auto 22px;
}
.contents{
    border-radius: 5px;
    border-color: #009ce5;
    border-width: 10px 50px;
    border-style: solid;
    padding: 20px;
    
    
}
.logo{
    width: 200px;
}
img{
    width: 100%;
}
.text + .text{
    margin-top: 12px;
}
footer{
    margin: 0 auto;
    text-align: center;
}

@media screen and (max-width: 768px){
    body{
        font-size: 14px;
    }
    .main{
        width: 100%;
        padding: 0 20px;
        margin: 30px 0 12px;
    }
    .contents{
        border-width: 6px 40px;
        padding: 10px;
    }
    .logo{
        width: 134px;
    }
    .text + .text{
        margin-top: 8px;
    }
    footer{
        font-size: 12px;
    }
}