#sec1 {
  position: relative;
}
#sec1 .box {
  background: rgba(0, 0, 0, 0.05);
}
#sec1 .txt {
  padding: 5%;
}
#sec1 .button {
  padding: 0 0 10%;
}

#sec2 {
  position: relative;
  padding: 0 0 5%;
}
#sec2 .txt {
  padding: 0 5% 5%;
}

#sec3 {
  position: relative;
}
#sec3 .box {
  width: 90%;
  margin: 0 auto;
  border: 2px solid #000;
}
#sec3 .box .note {
  font-weight: bold;
  padding: 10px;
}
#sec3 .box .note span {
  font-size: 16px;
}
#sec3 .photo {
  padding-bottom: 5%;
}
#sec3 .txt2 {
  padding: 0 5% 5%;
}

#sec4 {
  position: relative;
  background: url("../img/sightseeing/sec4_bg.jpg") no-repeat center top/cover;
  color: #fff;
}
#sec4 h2 {
  padding-bottom: 5%;
}
#sec4 .side_deco {
  position: absolute;
  top: 0;
  left: 4%;
  bottom: 8%;
  right: 0;
  padding-top: 22%;
  overflow: hidden;
}
#sec4 .side_deco span:before {
  top: -23%;
  bottom: 99%;
}
#sec4 .side_deco span:after {
  top: 100%;
  bottom: -120%;
}
#sec4 .box {
  border: 2px solid #fff;
  margin: 0 10% 0 17%;
}
#sec4 .box .tel {
  padding-top: 10px;
  padding-bottom: 0;
}
#sec4 .box .tel_txt {
  font-size: 12px;
  text-align: center;
  padding: 0 10px 10px;
}
#sec4 .txt {
  padding: 5% 0 17% 17%;
}