* {
    font: 14px/1.5 'メイリオ', Verdana, Helvetica, Arial, sans-serif;
    padding: 0;
    margin: 0;
    list-style: none;
}

body,
html {
    width: 100%;
    height: 100%;

}

header {
    width: 100%;
    height: 70px;
}