/* CSSファイル: kanaiga.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: url('backgroundfoods.jpg') no-repeat center center fixed;
    background-size: cover;
}
.frame {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 20vw;
}
.frame.left {
    left: 0;
}
.frame.right {
    right: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}