body {
    background: url(http://owndmedia-lab.com/sushizen_test/wp-content/uploads/background7.jpg);
    width: 100%;
    font-family: 'Noto Serif JP', "Times New Roman", "游明朝", "Yu Mincho", "游明朝体", "YuMincho", "ヒラギノ明朝 Pro W3", "Hiragino Mincho Pro", "HiraMinProN-W3", "HGS明朝E", "ＭＳ Ｐ明朝", "MS PMincho", serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

h1 {
    text-align: center;
    font-size: 1.3rem;
    line-height: 2rem;
    font-weight: 700;
}

table {
    margin: 0 auto;
    width: 600px;
}

th,
td {
    padding: 1rem;
}

th {
    background: rgba(89, 140, 84, 0.3);
}

input {
    font-family: 'Noto Serif JP', "Times New Roman", "游明朝", "Yu Mincho", "游明朝体", "YuMincho", "ヒラギノ明朝 Pro W3", "Hiragino Mincho Pro", "HiraMinProN-W3", "HGS明朝E", "ＭＳ Ｐ明朝", "MS PMincho", serif;
}

.number input {
    width: 10%;
}

.mail input {
    width: 100%;
}

.hidden-contents {
    padding: 0;
    border: 0;
}

.last-buttons input:first-child {
    height: 3rem;
    width: 40%;
    border: 0;
    background: url('http://owndmedia-lab.com/sushizen_test/wp-content/uploads/bg_btn.jpg');
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
}

.last-buttons input:first-child:hover {
    opacity: 0.7;
    transition: all 0.3s;
}

.last-buttons input:last-child {
    width: 8%;
}

@media screen and (max-width: 650px) {

    table {
        width: 100%;
    }

    th,
    td {
        display: block;
        font-size: 0.9rem;
    }

    input {
        width: 100%;
    }

    .last-buttons input:first-child {
        display: block;
        margin-bottom: 1rem;
        width: 200px;
    }

    .last-buttons input:last-child {
        width: 2.5rem;
    }
}