.top-system .pic {
  background: url(../images/sample/640x480_02.jpg?251120) top center / cover no-repeat;
}
.talk-wrap-pic {
  background: url(../images/works/pic_full.jpg?251120) top center / cover no-repeat;
}
.consult-footer::before {
  background: url(../images/staff01.png?251120) bottom center / contain no-repeat;
}
.system-footer::before {
  background: url(../images/staff01.png?251120) bottom center / contain no-repeat;
}