/*** 会社概要 ***/
#subject_company {
  display         : block;
  margin          : 20px 0px;
  width           : 200px;
  height          : 20px;
  text-indent     : -9999px;
  background      : url('../image/aboutus_subject_company.png') no-repeat;
}

#subject_history {
  display         : block;
  margin          : 20px 0px;
  width           : 200px;
  height          : 20px;
  text-indent     : -9999px;
  background      : url('../image/aboutus_subject_history.png') no-repeat;
}

#subject_group {
  display         : block;
  margin          : 20px 0px;
  width           : 200px;
  height          : 20px;
  text-indent     : -9999px;
  background      : url('../image/aboutus_subject_group.png') no-repeat;
}

#main_image {
  background      : url('../image/aboutus_main_image.png');
}

#menu_company {
  background      : url('../image/aboutus_company.png');
}

#menu_company:hover {
  background      : url('../image/aboutus_company_over.png');
}

#menu_company_on {
  background      : url('../image/aboutus_company_on.png');
}

#menu_company_on:hover {
  background      : url('../image/aboutus_company_on_over.png');
}

#menu_history {
  background      : url('../image/aboutus_history.png');
}

#menu_history:hover {
  background      : url('../image/aboutus_history_over.png');
}

#menu_history_on {
  background      : url('../image/aboutus_history_on.png');
}

#menu_history_on:hover {
  background      : url('../image/aboutus_history_on_over.png');
}

#menu_group {
  background      : url('../image/aboutus_group.png');
}

#menu_group:hover {
  background      : url('../image/aboutus_group_over.png');
}

#menu_group_on {
  background      : url('../image/aboutus_group_on.png');
}

#menu_group_on:hover {
  background      : url('../image/aboutus_group_on_over.png');
}

table.company, table.history {
  margin          : 20px auto;
  border-top      : 1px solid #cccccc;
}

table.company td, table.history td {
  border-bottom   : 1px solid #cccccc;
}

td.caption {
  color           : #333333;
}

#group_image {
  width           : 552px;
  height          : 338px;
  margin          : 30px auto 20px;
}