* {
    box-sizing: border-box;
}

body {
    display: flex;
    align-items: center;
    width: 100%;
    height: 100svh;
    margin: 0 auto;
    padding: 20px;
    font-family: "ヒラギノ角ゴ Pro W3","Hiragino Kaku Gothic Pro","メイリオ", Meiryo,"ＭＳ Ｐゴシック",sans-serif;
    background-color: rgb(245, 245, 245);
}

.container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: 50px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    background-color: #fff;
}

kechappy {
    display: block;
    width: 128px;
    height: 128px;
    margin: 0 auto 40px auto;
    background-image: url(../icon/icon_128x128.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

h2, p, a {
    margin: 10px auto;
    text-align: center;
}

h2 {
    color: rgba(0, 0, 0, 0.9);
}

p, a {
    color: rgba(0, 0, 0, 0.75);
}

a {
    display: block;
    margin: 25px auto 0 auto;
    font-size: 10pt;
}