.about_main {
  position: relative;
  font-family: var(--NotoSerif);
  color: var(--white);
}

/* About us */
.about_us {
  margin: 10.9rem 0 10rem;
}

.us_img {
  position: absolute;
  width: 39rem;
  height: 40rem;
}

.about_petal_mid {
  position: absolute;
  top: 36.867rem;
  left: 9.3rem;
  width: 7.64rem;
  height: 8.08rem;
  z-index: 1;
}

.about_petal_min {
  position: absolute;
  top: 51.5rem;
  left: 4.09rem;
  width: 2.762rem;
  height: 3.352rem;
}

.us_content {
  margin: 0 0 4.3rem 48rem;
}

.about_section_title {
  font-size: 3rem;
  line-height: calc(44 / 30);
  margin-bottom: 3.5rem;
}

.us_text_area {
  width: 87rem;
  margin-right: 9rem;
}

.about_text {
  font-size: 1.6rem;
  line-height: calc(26 / 16);
}

.img_flex {
  display: flex;
  gap: 10rem;
  justify-content: right;
}

.us_img_tower {
  position: relative;
  width: 70rem;
  height: 38.8rem;
}

.about_petal_max {
  position: absolute;
  top: 20.88rem;
  left: -4.8rem;
  width: 12rem;
  height: 12.2rem;
}

.us_img_walk {
  width: 50rem;
  height: 28rem;
  margin-top: 16.2rem;
}

/* Message */
.about_section {
  width: 128rem;
  margin: 0 auto;
  padding-bottom: 10rem;
}

.message_flex {
  display: flex;
  column-gap: 9rem;
  height: 68.4rem;
  overflow-y: scroll;
  scrollbar-width: none;
}

.text_area {
  width: 58.5rem;
}

.representative_area {
  position: sticky;
  top: 0;
}

.message_representative {
  width: 60.5rem;
  height: 58rem;
  margin-bottom: 3.5rem;
}

.representative_post {
  font-size: 1.6rem;
  line-height: calc(26 / 16);
  margin-bottom: 1rem;
}

.representative_name {
  font-size: 2.5rem;
  line-height: calc(36 / 25);
}

/* Our strengths */
.strengths_flex {
  display: flex;
  gap: 1.5rem;
  padding: 4rem 0 5.5rem;
  border-top: 0.1rem solid #fff;
}

.strengths_flex:last-of-type {
  border-bottom: 0.1rem solid #fff;
}

.strengths_number {
  width: 5.5rem;
  font-size: 5rem;
  line-height: calc(72 / 50);
}

.flex_content {
  display: flex;
  gap: 2rem;
}

.flex_text {
  padding-top: 3.2rem;
}

.strengths_title {
  width: 58.5rem;
  font-size: 2rem;
  line-height: calc(26 / 20);
  margin-bottom: 2.5rem;
}

.strengths_flex:first-of-type .strengths_title {
  width: 57rem;
}

.strengths_img {
  width: 60.5rem;
  height: 29.6rem;
  margin-top: 2.1rem;
}

/* Company */
.company_table {
  display: flex;
  flex-wrap: wrap;
  width: 118rem;
  margin: 0 auto;
  padding-top: 2.5rem;
  row-gap: 2rem;
  line-height: calc(23 / 16) !important;
}

.company_table dt {
  width: 24.95rem;
  font-weight: bold;
  padding: 0 0 1rem 1.05rem;
  border-bottom: 0.1rem solid #fff;
}

.company_table dd {
  width: 93.05rem;
  border-bottom: 0.1rem solid #fff;
}

@media screen and (max-width: 699.98px) {

  .about_back {
    top: -6rem;
    height: 26.7rem;
  }

  /* About us */
  .about_us {
    width: 100%;
    margin: 6rem 0 7rem;
  }

  .us_img {
    width: 20rem;
    height: 21.5rem;
    top: 0;
    right: 0;
    z-index: -1;
  }

  .about_petal_mid {
    top: 10.252rem;
    left: 2.556rem;
    width: 3.944rem;
    height: 4.171rem;
  }

  .about_petal_min {
    top: 17.618rem;
    left: 0.5rem;
    width: 1.426rem;
    height: 1.73rem;
  }

  .us_content {
    width: 31.5rem;
    margin: 0 auto 2rem;
    padding-top: 14.8rem;
  }

  .about_section_title {
    font-size: 2.2rem;
    line-height: calc(31 / 22);
    margin: 0;
  }

  .us_content .about_section_title {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
  }

  .about_section:nth-of-type(2) .about_section_title {
    margin-bottom: 3.5rem;
  }

  .about_section:nth-of-type(3) .about_section_title {
    margin-bottom: 1.5rem;
  }

  .about_section:nth-of-type(4) .about_section_title {
    margin-bottom: 3rem;
  }

  .us_text_area {
    width: 100%;
    margin-right: 0;
  }

  .about_text {
    font-size: 1.6rem;
    line-height: calc(26 / 16);
  }

  .img_flex {
    display: flex;
    gap: 3.4rem;
    flex-direction: column-reverse;
  }

  .us_img_tower {
    width: 26.3rem;
    height: 14.6rem;
    margin-left: auto;
    margin-right: 2rem;
  }

  .about_petal_max {
    position: absolute;
    top: 8.482rem;
    left: -2.405rem;
    width: 5.992rem;
    height: 6.118rem;
  }

  .us_img_walk {
    width: 20.6rem;
    height: 12.6rem;
    margin-top: 0;
    margin-left: 2rem;
  }

  .about_section {
    width: 31.5rem;
    padding-bottom: 7rem;
  }

  /* Message */
  .message_flex {
    flex-direction: column-reverse;
    gap: 2rem;
    height: 100%;
    overflow-y: visible;
  }

  .representative_area {
    position: relative;
  }

  .text_area {
    width: 100%;
  }

  .message_representative {
    width: 100%;
    height: 30rem;
    margin-bottom: 2rem;
  }

  .representative_post {
    margin-bottom: 0.5rem;
  }

  .representative_name {
    font-size: 2rem;
    line-height: calc(26 / 20);
  }

  /* Our strengths */
  .strengths_flex {
    flex-direction: column;
    gap: 0;
    padding: 2.5rem 0 4rem;
  }

  .strengths_number {
    font-size: 3rem;
    line-height: calc(44 / 30);
  }

  .flex_content {
    flex-direction: column;
    gap: 1.5rem;
  }

  .strengths_flex:first-of-type .flex_content {
    gap: 4rem;
  }

  .flex_text {
    padding-top: 0;
  }

  .strengths_title {
    width: 100%;
    font-size: 1.8rem;
    line-height: calc(26 / 18);
    margin-bottom: 2rem;
  }

  .strengths_flex:first-of-type .strengths_title {
    width: 100%;
  }

  .strengths_img {
    width: 100%;
    margin-top: 0;
  }

  .strengths_flex:first-of-type .strengths_img {
    height: 30rem;
  }

  /* Company */
  .company_table {
    flex-direction: column;
    flex-wrap: nowrap;
    width: 100%;
    padding: 0;
    margin: 0 0 1rem;
    gap: 0;
  }

  .company_table dt {
    width: 100%;
    padding: 1.5rem 0 1.5rem 0.1rem;
    border-top: 0.1rem solid #fff;
    border-bottom: none;
  }

  .company_table dd {
    width: 100%;
    padding-bottom: 1.5rem;
    border-bottom: 0.1rem solid #fff;
  }
}