.eco_info {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.eco_info_content {
  width: 54%;
}

.eco_info_content h6 {
  width: 100%;
  font-size: 26px;
  text-align: left;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  color: #333;
  line-height: 1;
  border-bottom: 1px solid #333;
  padding-bottom: 15px;
  margin-top: 10px;
  margin-bottom: 20px;
}

.eco_info_content_img {
  display: none;
}

.eco_info_content {
  font-size: 16px;
  font-family: "Noto Sans JP", sans-serif;
  text-align: left;
}

.eco_info_content_price {
  margin-top: 8px;
  margin-bottom: 15px;
  font-size: 32px;
  text-align: left;
  font-family: "Noto Sans JP", sans-serif;
}

.eco_info_content_note {
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.5;
  text-align: justify;
  font-family: "Noto Sans JP", sans-serif;
}

.eco_info_content_color {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 25px;
}

.eco_info_content_color img {
  margin-bottom: 6px;
  width: 100%;
}

.eco_info_content_color p {
  font-size: 14px;
  font-family: "Noto Sans JP", sans-serif;
  text-align: center;
}

.eco_info_img {
  width: 44%;
}

.eco_info_img img {
  width: 82%;
}

@media screen and (max-width: 520px) {
  .eco_info {
    flex-direction: column;
  }

  .eco_info_content {
    width: 100%;
  }
  
  .eco_info_content h6 {
    font-size: 20px;
    margin-top: 0;
  }
  
  .eco_info_content_img {
    display: block;
    width: 70%;
    margin: 0 auto 20px;
  }

  .eco_info_content {
    font-size: 14px;
  }

  .eco_info_content_price {
    font-size: 28px;
  }

  .eco_info_content_note {
    font-size: 13px;
  }

  .eco_info_content_color {
    column-gap: 10px;
  }

  .eco_info_content_color img {
    margin-bottom: 4px;
  }

  .eco_info_content_color p {
    font-size: 13px;
  }

  .eco_info_img {
    display: none;
  }
}