.nomal {  font-size: 12px; line-height: 16px}
a:link {text-decoration: none; color: #0000ff;}
a:visited {text-decoration: none; color: #0000ff;}
a:active {text-decoration: none; color: #0000ff;}
a:hover {text-decoration: underline; color: #FF5900;}
.small {  font-size: 10px; line-height: 14px}
.big {  font-size: 14px; line-height: 18px}
.back01 {  background-image: url(images/back_01_kaeru.gif); background-repeat: no-repeat; background-position: right top}
.back01_2 {  background-image: url(images/back_01_hana.gif); background-repeat: no-repeat; background-position: right top}
.back01_3 {  background-image: url(images/back_01_taiyo.gif); background-repeat: no-repeat; background-position: right top}
.back02 {  background-image: url(images/back_02_kaeru.gif); background-repeat: no-repeat; background-position: left bottom}
.back02_2 {  background-image: url(images/back_02_taiyo.gif); background-repeat: no-repeat; background-position: left bottom}
.back01_3_a {  background-image: url(images/back_01_taiyo.gif); background-repeat: no-repeat; background-position: right center}
.back02_a {  background-image: url(images/back_02_kaeru.gif); background-repeat: no-repeat; background-position: right center}
.back02_2_a {  background-image: url(images/back_02_taiyo.gif); background-repeat: no-repeat; background-position: right center}