.sub_main_wrap {
  background: url(../img/img_contact_bg.png) center no-repeat;
}

.sub_page_contents_wrap article .icon_round {
  text-align: center;
}

.sub_page_contents_wrap article .icon_round::after {
  margin: 20px auto;
}

.sub_page_contents_wrap article .contact_box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-flow: row wrap;
          flex-flow: row wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  max-width: 580px;
  margin: 0 auto;
}

.sub_page_contents_wrap article .contact_box ul {
  width: calc(50% - 10px);
  max-width: 280px;
  text-align: center;
  border: 1px solid #ddd;
  padding: 20px 0;
  margin-bottom: 20px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-flow: column;
          flex-flow: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.sub_page_contents_wrap article .contact_box ul li {
  font-size: 14px;
}

.sub_page_contents_wrap article .contact_box ul .contact_title_text {
  font-size: 16px;
  margin: 12px 0 8px;
}

@media all and (min-width: 768px) {
  .sub_page_contents_wrap article .icon_round::after {
    margin: 20px auto 40px;
  }
  .sub_page_contents_wrap article .contact_box {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-flow: row wrap;
            flex-flow: row wrap;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    max-width: 580px;
    margin: 0 auto;
  }
  .sub_page_contents_wrap article .contact_box ul {
    padding: 40px 0;
  }
  .sub_page_contents_wrap article .contact_box ul li {
    font-size: 16px;
  }
  .sub_page_contents_wrap article .contact_box ul li img {
    width: 70px;
  }
  .sub_page_contents_wrap article .contact_box ul .contact_title_text {
    font-size: 18px;
    margin: 16px 0 8px;
  }
}