.contents {  background-color: #fff9db; background-image: url(images/bg1.jpg); background-repeat: no-repeat; background-position: left top; width: 800px; padding-bottom: 15px}
.contents_vol2 {  background-color: #fff9db; background-image: url(images/vol2_back.jpg); background-repeat: no-repeat; background-position: left top; width: 800px; padding-bottom: 15px}
.contents_vol3 {  background-color: #fff9db; background-image: url(images/vol3_back.jpg); background-repeat: no-repeat; background-position: left top; width: 800px; padding-bottom: 15px}
.contents_vol4 {  background-color: #fff9db; background-image: url(images/vol4_back.jpg); background-repeat: no-repeat; background-position: left top; width: 800px; padding-bottom: 15px}
.contents_vol5 {  background-color: #fff9db; background-image: url(images/vol5_back.jpg); background-repeat: no-repeat; background-position: left top; width: 800px; padding-bottom: 15px}
.main_title {  padding-bottom: 35px; padding-top: 35px}
.naiyo {  font-size: 12px; line-height: 20px; color: #666666; width: 452px; padding-left: 272px; padding-bottom: 35px; text-align: left}
.sub_ti {  padding-bottom: 20px}
.button {  padding-top: 15px; padding-bottom: 15px; margin-top: 15px; margin-bottom: 15px}
.naiyo_text {  font-size: 11px; line-height: 16px; color: #333333}
.bt {  font-size: 12px; line-height: 20px; color: #333333; text-decoration: none; text-align: center; width: 75px; padding-right: 5px; padding-left: 5px; float: left; padding-top: 15px; padding-bottom: 15px}
.dd {  padding-left: 45px}
.txt10 {  font-size: 10px; line-height: 15px; color: #666666}