.contents_wrap .brand_story_img_wrap {
  background: url(../img/sub_img_brand.jpg) no-repeat;
}

.contents_wrap .brand_story_info_wrap .iframe_container{
  position: relative;
  width: 90%;
  margin: 0 auto;
  height: 0;
  overflow: hidden;
  padding-top: calc(8.1/16 * 100%);
}
.contents_wrap .brand_story_info_wrap .iframe_container iframe{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.contents_wrap .brand_story_info_wrap .main_text_box {
  text-align: center;
}

.contents_wrap .brand_story_info_wrap .main_text_box li {
  font-size: 24px;
}

.contents_wrap .brand_story_info_wrap .main_text_box li:first-child {
  margin-bottom: 2px;
}

.contents_wrap .brand_story_info_wrap .sub_text_box {
  margin: 40px 20px;
}

.contents_wrap .brand_story_info_wrap .sub_text_box li {
  border-left: 1px solid #47A835;
  padding-left: 20px;
  margin-bottom: 20px;
}

.contents_wrap .brand_story_info_wrap .sub_text_box li span {
  font-size: 14px;
  display: block;
}

.contents_wrap .brand_story_info_wrap .sub_text_box li .text_green {
  font-size: 18px;
  margin-bottom: 8px;
}

.contents_wrap .brand_story_info_wrap .sub_text_box li:first-child {
  margin-right: 20px;
}

.contents_wrap .brand_story_info_wrap .story_box {
  background: url(../img/story_bg.png) no-repeat;
  background-size: cover;
  padding: 20px 20px 260px;
  border: 2px solid #E7F1F4;
  position: relative;
}

.contents_wrap .brand_story_info_wrap .story_box .title_text {
  display: block;
  font-size: 24px;
  margin-bottom: 24px;
}

.contents_wrap .brand_story_info_wrap .story_box ul li {
  font-size: 16px;
  margin-bottom: 4px;
}

.contents_wrap .brand_story_info_wrap .story_box ul li:nth-child(4) {
  margin: 16px 0;
}

.contents_wrap .brand_story_info_wrap .story_box .story_bottom_img_box {
  background: url(../img/story_bottom_img.svg) no-repeat;
  position: absolute;
  bottom: 12px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 100%;
  height: 240px;
}

@media all and (min-width: 768px) {
  .contents_wrap .brand_story_info_wrap .main_text_box li {
    font-size: 32px;
  }
  .contents_wrap .brand_story_info_wrap .sub_text_box {
    margin: 40px 60px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  .contents_wrap .brand_story_info_wrap .sub_text_box li {
    margin: 0;
  }
  .contents_wrap .brand_story_info_wrap .sub_text_box li span {
    font-size: 16px;
  }
  .contents_wrap .brand_story_info_wrap .sub_text_box li .text_green {
    font-size: 20px;
  }
  .contents_wrap .brand_story_info_wrap .story_box {
    padding: 80px 80px 330px;
  }
  .contents_wrap .brand_story_info_wrap .story_box .title_text {
    font-size: 32px;
    margin-bottom: 32px;
  }
  .contents_wrap .brand_story_info_wrap .story_box ul li {
    font-size: 20px;
  }
  .contents_wrap .brand_story_info_wrap .story_box .story_bottom_img_box {
    background-position: center;
  }
  .contents_wrap .brand_story_info_wrap .story_box .story_sun_img_box {
    background: url(../img/story_sun.svg) no-repeat;
    position: absolute;
    width: 90px;
    height: 90px;
    background-size: contain;
    top: 80px;
    right: 80px;
  }
}