@media screen and (max-width: 767.999px) {
  section.first_section .merit_area > ul {
    margin-top: 40px;
  }
  section.first_section .merit_area > ul > li {
    margin-top: 35px;
  }
  section.first_section .merit_area > ul > li:nth-of-type(1) {
    margin-top: 0;
  }
  section.first_section .merit_area > ul > li dl.merit {
    position: relative;
  }
  section.first_section .merit_area > ul > li dl.merit dt {
    background: #040b4b;
    color: #ddd7bb;
    width: 105px;
    font-size: 13px;
    line-height: 1.38;
    position: absolute;
    top: 50%;
    left: 0;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transform: translateY(-50%);
    font-weight: 600;
  }
  section.first_section .merit_area > ul > li dl.merit dt .num {
    background: #ddd7bb;
    color: #040b4b;
    border-radius: 50%;
    width: 14px;
    height: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: 3px;
    font-size: 10px;
  }
  section.first_section .merit_area > ul > li dl.merit dd {
    margin: 0 0 0 auto;
    border: 1px solid #dfdcd0;
    background: #FFFFFF;
    font-size: 18px;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: calc(100% - 50px);
    font-weight: 700;
  }
  section.first_section .merit_area > ul > li .txt {
    margin-top: 20px;
    font-size: 12px;
    line-height: 2;
  }
  #coating_ark #coating_ark_about {
    padding: 0 30px 40px;
  }
  #coating_ark #coating_ark_about .image_area {
    text-align: center;
  }
  #coating_ark #coating_ark_about .image_area img {
    width: 100%;
    height: auto;
    transform: translateY(-20px);
  }
  #coating_ark #coating_ark_about .data_area h2 .icon {
    display: inline-block;
    padding: 2px 12px;
    font-size: 9px;
  }
  #coating_ark #coating_ark_about .data_area h2 .title {
    font-size: 24px;
    margin-top: 3px;
    font-weight: 600;
    display: block;
  }
  #coating_ark #coating_ark_about .data_area h3 {
    margin-top: 30px;
    font-size: 15px;
  }
  #coating_ark #coating_ark_about .data_area .txt {
    margin-top: 25px;
    line-height: 2;
  }
  #coating_ark #coating_ark_special {
    padding: 50px 30px 55px;
  }
  #coating_ark #coating_ark_special > ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 50px 16px;
  }
  #coating_ark #coating_ark_special > ul > li {
    width: calc(50% - 8px);
  }
  #coating_ark #coating_ark_special > ul > li h3 {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 10px;
    position: relative;
  }
  #coating_ark #coating_ark_special > ul > li h3::before {
    content: "";
    width: 35px;
    height: 2px;
    background: #ddd7bb;
    position: absolute;
    top: -11px;
    left: 50%;
    transform: translateX(-50%);
  }
  #coating_ark #coating_ark_special > ul > li h3 .num {
    width: 13px;
    height: 13px;
    font-size: 9px;
    margin-left: 3px;
  }
  #coating_ark #coating_ark_special > ul > li h4 {
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    margin-top: 12px;
  }
  #coating_ark #coating_ark_special > ul > li .txt {
    font-size: 12px;
    line-height: 2;
    margin-top: 20px;
  }
  #coating_ochrona {
    padding: 50px 30px 55px;
  }
  #coating_ochrona .image img {
    width: 100%;
    height: auto;
  }
  #coating_ochrona .data_area {
    margin-top: 30px;
  }
  #coating_ochrona .data_area h2 .icon {
    display: inline-block;
    padding: 2px 12px;
    font-size: 9px;
  }
  #coating_ochrona .data_area h2 .title {
    font-size: 24px;
    margin-top: 3px;
    display: block;
    font-weight: 600;
  }
  #coating_ochrona .data_area h3 {
    margin-top: 30px;
    font-size: 15px;
  }
  #coating_ochrona .data_area h4 {
    font-size: 15px;
    margin-top: 40px;
    font-weight: 500;
  }
  #coating_ochrona .data_area .txt {
    margin-top: 20px;
    line-height: 2;
  }
  #other_coating #fluorine_coatig,
  #other_coating #wheel_polymer {
    padding: 50px 30px;
  }
  #other_coating #fluorine_coatig h2 .icon,
  #other_coating #wheel_polymer h2 .icon {
    display: inline-block;
    padding: 2px 12px;
    font-size: 9px;
  }
  #other_coating #fluorine_coatig h2 .title,
  #other_coating #wheel_polymer h2 .title {
    font-size: 24px;
    margin-top: 3px;
    display: block;
    font-weight: 600;
  }
  #other_coating #fluorine_coatig h3,
  #other_coating #wheel_polymer h3 {
    margin-top: 30px;
    font-size: 15px;
  }
  #other_coating #fluorine_coatig .txt,
  #other_coating #wheel_polymer .txt {
    margin-top: 20px;
    line-height: 2;
  }
}