*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
    background: #f0f2f5;
    color: #1a1a2e;
    font-size: 15px;
    line-height: 1.6;
}