html, body{
    font-family: "Noto Sans CJK JP","Noto Serif CJK JP", "Avenir Next", "Open Sans", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", メイリオ, Meiryo, "MS Pゴシック", MSPGothic, sans-serif;
}