body{
/* winter */
/*
 background-image: url(/images/front/winter_day.jpg);
*/

/* new year */
/*
 background-image: url(/images/front/newyear.gif);
*/

/* spring */
/*
 background-image: url(/images/front/bg_sakura.gif);
*/
/*
 background-image: url(/images/front/spring.gif);
*/

/* summer */
 background-image: url(/images/front/rain.gif);
/*
 background-image: url(/images/front/fish.gif);
*/

/* autumn */
/*
 background-image: url(/images/front/autumn.gif);
*/

}