sf/sf_admin/css/main.cssのフォント

なんかザ外国って感じがしたので、上書き
web/css/main_ja.css

body, td
{
  font-family: "Osaka", "ＭＳ Ｐゴシック", Arial, Verdana, sans-serif !important;
  font-size: 12px !important;
}

#sf_admin_container td
{
  font-family: "Osaka", "ＭＳ Ｐゴシック", Arial, sans-serif !important;
  font-size: 12px !important;
}

#sf_admin_container h1
{
  font-family: "Osaka", "ＭＳ Ｐゴシック", "Trebuchet MS", Arial, Verdana, sans-serif !important;
}

#sf_admin_container fieldset h2
{
  font-size: 12px !important;
}

#sf_admin_container input, #sf_admin_container textarea, #sf_admin_container select
{
  font-family: "Osaka", "ＭＳ Ｐゴシック", Arial, sans-serif !important;
  font-size: 12px !important;
}

#sf_admin_container .save-ok h2
{
  font-size: 12px !important;
}

#sf_admin_container .form-errors h2
{
  font-size: 12px !important;
}

#sf_admin_container ul.sf_admin_actions input
{
  font-size: 12px !important;
  font-family: "Osaka", "ＭＳ Ｐゴシック", Arial, sans-serif !important;
}

apps/myapp/config/view.ymlに追加

  stylesheets:    [main, main_ja]