.story {
  text-align: center;
}

.story_in {
  position: relative;
}

.story_in .text_story {
  margin-top: 6.7%;
}

.story_in .story_img01 {
  margin-top: 5.4%;
}

.story_in .story_img02 {
  margin-top: 5.4%;
}

.story_in .story_img03, .story_in .story_img04, .story_in .story_img05, .story_in .story_img06, .story_in .story_img07 {
  display: none;
}

.course {
  position: relative;
  width: 100%;
  margin-top: 5.4%;
  z-index: 1;
}