.form-head {font-size:12px;border:1px solid gray;}
.mainMenu {position: absolute; cursor: hand}
#menu1 { left: 136px; top: 84px; position: absolute; display: none; z-index: 1;}
#menu2 { left: 246px; top: 84px; position: absolute; display: none; z-index: 2;}
#menu3 { left: 378px; top: 84px; position: absolute; display: none; z-index: 3;}
#menu4 { left: 545px; top: 83px; position: absolute; display: none; z-index: 4;}
#menu5 { left: 462px; top: 20px; position: absolute; display: none; z-index: 10;}

#menu11 { left: 199px; top: 214px; position: absolute; display: none; z-index: 5;}
#menu12 { left: 199px; top: 244px; position: absolute; display: none; z-index: 6;}
#menu13 { left: 199px; top: 274px; position: absolute; display: none; z-index: 7;}
#menu14 { left: 199px; top: 304px; position: absolute; display: none; z-index: 8;}
#menu15 { left: 199px; top: 334px; position: absolute; display: none; z-index: 9;}

/* IP活用事例 */
#menu17 { left: 199px; top: 401px; position: absolute; display: none; z-index: 11;}

/* SG トピックス */
#menu30 { left: 199px; top: 311px; position: absolute; display: none; z-index: 12;}

/* IP トピックス */
#menu31 { left: 199px; top: 371px; position: absolute; display: none; z-index: 12;}

/* TA トピックス */
#menu32 { left: 199px; top: 311px; position: absolute; display: none; z-index: 12;}

/* 各カテゴリのTOPはheadmenu3_top.cssに記述 */