/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    flex-direction: column;
    font-family: Arial, sans-serif;
    height: 100vh;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.top {
    display: flex;
    flex-direction: row;
    height: 10%;
}

.bottom {
    display: flex;
    flex-direction: row;
    height: 90%;
}

.left-10 {
    width: 10%;
}

.right-90 {
    width: 90%;
}

.left-15 {
    width: 10%;
}

.right-85 {
    width: 90%;
}

iframe {
    border: none;
    height: 100%;
}