#about_01 {
  width: 100%;
  overflow: hidden;
  padding: 0;
  margin: 0 auto;
}
#about_01 p.txtP {
  padding-bottom: 20px;
  font-size: 20px;
  line-height: 35px;
}
#about_01 .sub_txt01 {
  padding: 0 25px;
}
#about_01 section {
  float: left;
  width: 25%;
  box-sizing: border-box;
}
#about_01 section div {
  font-size: 17px;
  background-color: #f0f0f0;
  background-repeat: no-repeat;
  background-position: center 48px;
  display: block;
  min-height: 300px;
  padding: 0px 20px;
  margin: 5% 7%;
  box-sizing: border-box;
  text-align: center;
}
#about_01 section div p {
  vertical-align: middle;
  overflow: hidden;
  padding: 10px 0 15px 0;
}
#about_01 section span.txt01 {
  display: block;
  padding: 25px 0;
  line-height: 30px;
}
#about_01 section strong {
  font-size: 22px;
  font-weight: 400;
}
#about_01 section div:hover {
  box-shadow: 5px 6px 15px #999;
  -moz-transition: ease-out 0.4s 0.1s;
  -o-transition: ease-out 0.4s 0.1s;
  -webkit-transition: ease-out 0.4s;
  -webkit-transition-delay: 0.1s;
  transition: ease-out 0.4s 0.1s;
}

.certification_banner {
  background-size: cover;
  background-attachment: fixed;
  height: 266px;
  text-align: center;
  color: #fff;
}
.certification_banner h4 {
  padding-top: 82px;
  font-size: 24px;
  position: relative;
}
.certification_banner h4::after {
  content: "";
  display: block;
  width: 4%;
  height: 2px;
  position: absolute;
  background-color: #fff;
  left: 50%;
  bottom: -8%;
  transform: translateX(-50%);
}
.certification_banner h3 {
  font-size: 58px;
}
.banner1 {
  background: url(../img/certification_banner1.jpg) no-repeat center 85%;
}
.banner2 {
  background: url(../img/certification_banner2.jpg) no-repeat center 85%;
  margin-top: 80px;
}
.banner3 {
  background: url(../img/certification_banner3.jpg) no-repeat center 85%;
  margin-top: 80px;
}
.txtBlue span {
  font-size: 1.2rem;
}
.wd11 .link-effect-12 img {
  width: 100%;
  text-align: center;
  padding-top: 15px;
}
/*#about_01 section.Box_01 div{background-image:url("../img/img1.jpg"); }
#about_01 section.Box_02 div{background-image:url("../img/img2.jpg"); }
#about_01 section.Box_03 div{background-image:url("../img/img3.jpg"); }*/

/*button effect*/
.link-effect-12 div {
  position: relative;
  overflow: hidden;
}
.link-effect-12 div p::before {
  height: 2px;
  width: 100%;
  background-color: #0ca6db;
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  -moz-transform: translateX(-100%);
  -ms-transform: translateX(-100%);
  -webkit-transform: translateX(-100%);
  transform: translateX(-100%);
  -moz-transition: 0.4s;
  -o-transition: 0.4s;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}
.link-effect-12 div p::after {
  height: 2px;
  width: 100%;
  background: #0ca6db;
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  -moz-transform: translateX(100%);
  -ms-transform: translateX(100%);
  -webkit-transform: translateX(100%);
  transform: translateX(100%);
  -moz-transition: 0.4s;
  -o-transition: 0.4s;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}
.link-effect-12 div::before {
  width: 2px;
  height: 100%;
  background: #0ca6db;
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  -moz-transform: translateY(100%);
  -ms-transform: translateY(100%);
  -webkit-transform: translateY(100%);
  transform: translateY(100%);
  -moz-transition: 0.4s;
  -o-transition: 0.4s;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}
.link-effect-12 div::after {
  width: 2px;
  height: 100%;
  background: #0ca6db;
  content: "";
  position: absolute;
  right: 0px;
  bottom: 0;
  -moz-transform: translateY(-100%);
  -ms-transform: translateY(-100%);
  -webkit-transform: translateY(-100%);
  transform: translateY(-100%);
  -moz-transition: 0.4s;
  -o-transition: 0.4s;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}
.link-effect-12 div:hover::before,
.link-effect-12 div:hover::after {
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -webkit-transform: translateX(0);
  transform: translateX(0);
}
.link-effect-12 div:hover p::before,
.link-effect-12 div:hover p::after {
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -webkit-transform: translateX(0);
  transform: translateX(0);
}

/*---------------------------------------
  MOBILE RESPONSIVE              
-----------------------------------------*/
@media (max-width: 1023px) {
  #about_01 {
    padding: 30px 0;
  }
  #about_01 .sub_txt01 {
    padding: 0px;
  }
  #about_01 div.wd_11 {
    width: 100%;
    margin: 50px auto 0 auto;
  }
  #about_01 section {
    float: none;
    width: 100%;
  }
  #about_01 section nav div {
    border: 1px solid #dfdfdf;
  }
  #about_01 section strong {
    opacity: 1;
  }
  #about_01 section span.txt01 {
    font-size: 16px;
    line-height: 25px;
  }
  .certification_banner h4 {
    font-size: 16px;
  }
  .certification_banner h4::after {
    width: 12%;
  }
  .certification_banner h3 {
    padding-top: 10px;
    font-size: 36px;
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
}
@media (max-width: 480px) {
  #about_01 section {
    float: left;
    width: 100%;
  }
}
@media (max-width: 320px) {
}