ruby{
  display:inline-table;
  text-align:center;
//  text-align:justify;
  white-space:nowrap;
  text-indent:0;
}

ruby>rb,ruby>rbc{
  display:table-row-group;
  line-height:90%;
}

ruby>rt,ruby>rbc+rtc{
  display:table-header-group;
  font-size:40%;
  line-height:40%;
  letter-spacing:0;
}

ruby>rbc+rtc+rtc{
  display:table-footer-group;
  font-size:40%;
  line-height:40%;
  letter-spacing:0;
}

rbc>rb,rtc>rt{
  display:table-cell;
  letter-spacing:0;
}

rtc>rt[rbspan]{
  display:table-caption;
}

rp{
  display:none;
}