.banner       { text-align: center }
.notice       { color: #c00000 }
.plain        { background-color: #ffffff }

body.level0   { background-color: #ffffff }
body.level1   { background-color: #cfffff }
body.level2   { background-color: #ffffdf }
body.level3   { background-color: #ffefff }
body.business { background-color: #efefef }
body.flg      { background-color: #f4efff }