.txt_kihon {  font-size: 12px; line-height: 16px}
.back_ph {  background-attachment: fixed; background-image: url(img/panf/chair.jpg); background-repeat: no-repeat; background-position: right bottom}
.back_kei { background-attachment: fixed; background-image: url(../img/back-kei1.jpg); background-repeat: repeat-y; background-position: left top}