@charset "UTF-8";


main {
  background-color: #000;
}


.design-sec {
  width: 100%;
  position: relative; }

img {
  max-width: 100%;
}

  /* contents
  ==================================== */
.contents {
  padding: 180px 0 0;
}
.inner {
  width: calc(100% - 60px);
  max-width: 1090px;
  margin: auto;
}
.main_title {
  color: #fff;
  text-align: center;
  font-size: 30px;
  letter-spacing: 0.2em;
}
.main_title .title_en {
  font-size: 16px;
  display: block;
}

@media only screen and (max-width:767px) {
  .contents {
    padding: 120px 0 0;
  }
}

  /* link_area
  ==================================== */
  .link_area {
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
    column-gap: 30px;
  }
  .link_btn {
    text-decoration: none;
    color: #fff;
    max-width: 500px;
    width: 100%;
    text-align: center;
    font-size: 20px;
    letter-spacing: 0.2em;
    background-color: #333333;
    padding: 26px 10px;
    transition: all .4s ease-in-out;
  }
  .link_btn_en {
    font-size: 10px;
    display: block;
  }
  .link_btn:hover {
    color: #333333;
    background-color: #fff;
  }

  @media only screen and (max-width:768px) {
    .link_area {
      margin-top: 40px;
      flex-direction: column;
      row-gap: 10px;
    }
    .link_btn {
      margin: auto;
      max-width: 400px;
      font-size: 18px;
      padding: 16px 10px;
    }
  }

  /* concept_area
  ==================================== */
.concept_area {
  padding: 100px 0;
  color: #fff;
}
.concept_lead {
  margin-top: 20px;
  font-size: 35px;
  letter-spacing: 0.3em;
  text-align: center;
}
.concept_text {
  margin-top: 60px;
  font-size: 16px;
  line-height: 2.68;
  letter-spacing: 0.07em;
  text-align: center;
}
.concept_img {
  margin-top: 60px;
}

@media only screen and (max-width:768px) {
  .concept_area {
    padding: 70px 0;
  }
  .concept_lead {
    margin-top: 20px;
    font-size: 26px;
  }
  .concept_text {
    margin-top: 30px;
    font-size: 15px;
    letter-spacing: 0;
    line-height: 2;
    text-align: left;
  }
  .concept_img {
    margin-top: 30px;
  }
}


  /* greeting_area
  ==================================== */
.greeting_area {
  padding: 50px 0;
  color: #fff;
  max-width: 900px;
  margin: auto;
}
.greeting_title {
  font-size: 25px;
  letter-spacing: 0.2em;
  font-weight: 500;
}
.greeting_text {
  margin-top: 40px;
  font-size: 16px;
  line-height: 2.68;
  letter-spacing: 0.07em;
}

@media only screen and (max-width:768px) {
  .greeting_area {
    padding: 30px 0;
  }
  .greeting_title {
    font-size: 22px;
  }
  .greeting_text {
    margin-top: 20px;
    font-size: 15px;
    letter-spacing: 0;
    line-height: 2;
  }
}


  /* bottom_area
  ==================================== */
  .bottom_area {
    padding: 50px 0;
    background-color: #fff;
  }
  .bottom_area .inner {
    max-width: 1400px;
  }
  .bottom_wrap {
    display: flex;
    justify-content: space-between;
    align-items: end;
  }
  .bottom_body {
    color: #000;
    width: 44%;
    padding-bottom: 60px;
  }
  .bottom_img {
    width: 50%;
  }
  .bottom_title {
    font-size: 25px;
    letter-spacing: 0.2em;
  }
  .bottom_title span {
    font-size: 20px;
    display: block;
  }
  .bottom_text {
    margin-top: 20px;
    font-size: 16px;
    line-height: 2.68;
    letter-spacing: 0.07em;
    font-weight: 500;
  }

  @media only screen and (max-width:768px) {
    .bottom_area {
      padding: 50px 0;
    }
    .bottom_wrap {
      flex-direction: column;
    }
    .bottom_body {
      width: 100%;
      padding-bottom: 20px;
    }
    .bottom_img {
      width: 100%;
    }
    .bottom_title {
      font-size: 20px;
    }
    .bottom_title span {
      font-size: 16px;
    }
    .bottom_text {
      margin-top: 20px;
      font-size: 15px;
      letter-spacing: 0;
      line-height: 2;
    }
  }