.pt10 {  font-size: 10px}
.pt12 {  font-size: 12px}
.pt14 {  font-size: 14px}
.pt16 {  font-size: 16px}
.pt18 {  font-size: 18px}
a:hover {  color: #FF0000; text-decoration: none}
.pt12_blue { font-size: 12px ; color: #0000FF}
.pt18_blue { font-size: 18px ; color: #0000FF}
.pt14_blue { font-size: 14px ; color: #0000FF}
.back1 {  background-image: url(gif-files/back02.gif); background-repeat: repeat-y; background-position: 100px}
.pt06 {  font-size: 9px}
.back2 {  background-image: url(gif-files/jikai/kabe.gif)}
.back3 {  background-image: url(gif-files/back01.gif)}