@charset "UTF-8";
@media screen and (min-width: 641px) {
  #contents .main_column .plane {
    margin: 0 auto;
    width: 800px;
  }
}
@media screen and (max-width: 640px) {
  #contents {
    min-height: auto;
  }
  #contents .main_column .plane th {
    width: 7em;
  }
}