@media screen and (max-width: 737px) {
  #main {
    margin: 0 !important;
  }
}

#mainVisual .bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #0000008f;
  z-index: 1;
}

h2 {
  border-left: 1px solid #333;
  border-bottom: 1px solid #333;
  margin-bottom: 30px;
  padding-left: 10px;
  padding-bottom: 10px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

@media screen and (max-width: 737px) {
  h2 {
    text-align: left;
  }
}

h3 {
  font-size: 20px;
  line-height: 1.5em;
  font-weight: bold;
  margin-bottom: 10px;
}

@media screen and (max-width: 737px) {
  h3 {
    font-size: 6vw;
  }
}

img {
  max-width: 100%;
  height: auto;
}

a.more_btn {
  margin-top: 20px;
}

section {
  padding-top: 150px;
}

@media screen and (max-width: 737px) {
  section {
    margin: -50px auto;
    padding-top: 100px;
  }
}

section h2 {
  width: 100%;
  -webkit-transform: translateY(0);
          transform: translateY(0);
}

@media screen and (max-width: 737px) {
  section h2 {
    font-size: 5vw;
    margin-top: 25px;
  }
}

section .container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

@media screen and (max-width: 737px) {
  section .container {
    max-width: 100vw;
    padding: 0 5vw;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
}

section .container .content {
  position: relative;
  width: 45%;
  border: 1px solid #33333340;
  margin-bottom: 30px;
  padding: 20px 20px 90px 20px;
  border-radius: 20px;
  -webkit-box-shadow: 0 0 8px #d5d5d5;
          box-shadow: 0 0 8px #d5d5d5;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

@media screen and (max-width: 737px) {
  section .container .content {
    width: 100%;
    padding: 20px 20px 20px 20px;
  }
}

section .container .content:nth-child(odd) {
  margin-left: 2.5%;
}

@media screen and (max-width: 737px) {
  section .container .content:nth-child(odd) {
    margin-left: 0;
  }
}

section .container .content a.more_btn {
  position: absolute;
  left: 20px;
  bottom: 45px;
}

@media screen and (max-width: 737px) {
  section .container .content a.more_btn {
    position: relative;
    left: auto;
    bottom: auto;
  }
}

section .container .content p.link {
  position: absolute;
  left: 20px;
  bottom: 10px;
}

@media screen and (max-width: 737px) {
  section .container .content p.link {
    position: relative;
    left: auto;
    bottom: auto;
  }
}

section .img-wrapper {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}

section .img-wrapper a {
  text-align: center;
}

@media screen and (max-width: 737px) {
  section .img-wrapper.double {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
}

section .img-wrapper.double a {
  width: 45%;
}

@media screen and (max-width: 737px) {
  section .img-wrapper.double a {
    width: 100%;
  }
}

section .img-wrapper.double a img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

section .img-wrapper.double a:first-child {
  margin-right: 30px;
}

@media screen and (max-width: 737px) {
  section .img-wrapper.double a:first-child {
    margin-right: 0;
  }
}

@media screen and (max-width: 737px) {
  section .img-wrapper.three {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
}

section .img-wrapper.three a {
  width: 30%;
}

@media screen and (max-width: 737px) {
  section .img-wrapper.three a {
    width: 100%;
  }
}

section .img-wrapper.three a img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

section .img-wrapper.three a:not(:last-child) {
  margin-right: 30px;
}

@media screen and (max-width: 737px) {
  section .img-wrapper.three a:not(:last-child) {
    margin-right: 0;
    margin-bottom: 30px;
  }
}

section .img-wrapper.four {
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

section .img-wrapper.four a {
  width: 49%;
}

@media screen and (max-width: 737px) {
  section .img-wrapper.four a {
    width: 100%;
  }
}

section .img-wrapper.four a img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

@media screen and (max-width: 737px) {
  section .img-wrapper.four a:not(:last-child) {
    margin-bottom: 30px;
  }
}

section#certification dl {
  margin-bottom: 15px;
}

section#certification dt {
  margin-bottom: 5px;
}

section#certification dd {
  padding-left: 4em;
}

@media screen and (max-width: 737px) {
  section#certification dd {
    padding-left: 0;
  }
}

section#certification .flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
  margin-top: 20px;
}

section#certification .flex .iso-wrap {
  width: 50%;
}

@media screen and (max-width: 737px) {
  section#certification .flex .iso-wrap {
    width: 100%;
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2;
  }
}

section#certification .flex a {
  display: block;
  width: 30%;
  border: 1px solid #b4b4b4;
}

@media screen and (max-width: 737px) {
  section#certification .flex a {
    width: 100%;
    -webkit-box-ordinal-group: 2;
        -ms-flex-order: 1;
            order: 1;
  }
}

section#certification .flex a img {
  width: 100%;
  height: auto;
}

section#carbon .container .bg-img {
  width: 50%;
  height: 100%;
  min-height: 300px;
  background-image: url("../images/sdgs06.jpg");
  background-position: 0px 10px;
  background-repeat: no-repeat;
  background-size: cover;
}

@media screen and (max-width: 737px) {
  section#carbon .container .bg-img {
    width: 100%;
    min-height: 150px;
  }
}

section#carbon .container .txt-wrapper {
  width: 50%;
}

@media screen and (max-width: 737px) {
  section#carbon .container .txt-wrapper {
    width: 100%;
  }
}