#about {
  padding-bottom: 80px;
  line-height: 2.142em;
}
#about .mainvisual {
  background: url(/files/about/images/bg_mainvisual.png) center 0 no-repeat;
}
@media screen and (min-width: 769px) {
  #about .mainvisual {
    margin-bottom: 100px;
  }
}
@media screen and (max-width: 768px) {
  #about {
    padding-bottom: 40px;
    width: 100%;
  }
  #about .mainvisual {
    background: none;
  }
  #about .mainvisual .title-area h2 img {
    width: 60%;
  }
}

#concept .inner {
  width: 1200px;
  margin-inline: auto;
}
@media screen and (max-width: 768px) {
  #concept .inner {
    width: 100%;
  }
}
#concept .box {
  position: relative;
}
#concept .box_text {
  background: rgba(255, 255, 255, 0.9);
  -webkit-box-shadow: 10px 10px 10px 0px rgba(0, 0, 0, 0.15);
          box-shadow: 10px 10px 10px 0px rgba(0, 0, 0, 0.15);
  position: absolute;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
@media screen and (max-width: 768px) {
  #concept .box_text {
    width: 92%;
    padding: 50px 11%;
    position: relative;
    margin-inline: auto;
    -webkit-box-shadow: 4px 4px 10px 0px rgba(0, 0, 0, 0.15);
            box-shadow: 4px 4px 10px 0px rgba(0, 0, 0, 0.15);
  }
  #concept .box_text .title img {
    height: 32px;
  }
  #concept .box_text .text {
    margin-top: 13px;
  }
}
#concept #mission {
  position: relative;
}
@media screen and (min-width: 769px) {
  #concept #mission .img {
    width: 841px;
  }
  #concept #mission .box_text {
    width: 544px;
    height: 358px;
    padding: 0 0 36px 61px;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  #concept #mission .box_text .title {
    width: 218px;
  }
  #concept #mission .box_text .text {
    width: 392px;
    margin-top: 37px;
  }
}
@media screen and (max-width: 768px) {
  #concept #mission .box_text {
    margin-top: -75px;
  }
  #concept #mission .img {
    width: 100%;
  }
}
@media screen and (min-width: 769px) {
  #concept #vision {
    margin-top: 120px;
    padding-bottom: 160px;
  }
  #concept #vision .box_text {
    width: 1000px;
    height: 317px;
    padding: 40px 60px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    left: 0;
    right: 0;
    bottom: 0;
    margin-inline: auto;
  }
  #concept #vision .box_text .title {
    width: 176px;
  }
  #concept #vision .box_text .text {
    margin-left: 60px;
  }
  #concept #vision .box_text .text dl dt {
    height: 26px;
  }
  #concept #vision .box_text .text dl dd {
    margin-top: 16px;
  }
  #concept #vision .box_text .text dl dd + dt {
    margin-top: 34px;
  }
}
@media screen and (max-width: 768px) {
  #concept #vision {
    margin-top: 75px;
    padding-bottom: 75px;
  }
  #concept #vision .box_text {
    margin-top: -50px;
    padding-bottom: 44px;
  }
  #concept #vision .text {
    margin-top: 24px;
  }
  #concept #vision .text dl dt img {
    height: 41px;
  }
  #concept #vision .text dl dd {
    margin-top: 6px;
    line-height: 2;
    -webkit-font-feature-settings: "palt";
            font-feature-settings: "palt";
  }
  #concept #vision .text dl dd + dt {
    margin-top: 13px;
  }
}
#concept #value {
  background: #f5f5f5;
}
@media screen and (min-width: 769px) {
  #concept #value {
    margin-top: 120px;
    padding: 80px 0 80px;
  }
  #concept #value .title {
    width: 185px;
    margin-inline: auto;
  }
  #concept #value .box_value {
    margin-top: 60px;
    padding-bottom: 274px;
  }
  #concept #value .img {
    width: 1022px;
    margin-left: 178px;
  }
  #concept #value .box_text {
    width: 900px;
    height: 454px;
    padding: 52px 40px 52px 44px;
    bottom: 0;
  }
  #concept #value .box_text ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  #concept #value .box_text ul li {
    width: 50%;
    padding-bottom: 24px;
  }
  #concept #value .box_text ul li:nth-child(even) {
    width: 47%;
  }
  #concept #value .box_text dl dt img {
    height: 23px;
  }
  #concept #value .box_text dl dd {
    margin-top: 12px;
    padding-left: 33px;
  }
}
@media screen and (max-width: 768px) {
  #concept #value {
    padding: 50px 0;
  }
  #concept #value .title {
    width: 37%;
    margin-inline: auto;
  }
  #concept #value .box_value {
    margin-top: 30px;
  }
  #concept #value .box_text {
    margin-top: -75px;
    padding: 48px 9.3% 42px;
  }
  #concept #value .box_text ul li + li {
    margin-top: 16px;
  }
  #concept #value .box_text dl dt img {
    width: auto;
    height: 17px;
    display: block;
  }
  #concept #value .box_text dl dd {
    margin-top: 12px;
    padding-left: 0;
    line-height: 2;
    -webkit-font-feature-settings: "palt";
            font-feature-settings: "palt";
  }
}

#meaning {
  width: 970px;
  margin: 0 auto;
  margin-bottom: 100px;
  padding-top: 50px;
}
#meaning h3 {
  padding-bottom: 60px;
  padding-top: 30px;
  text-align: center;
  width: 534px;
  margin: 0 auto;
}
#meaning .main_box_text {
  text-align: center;
  margin-bottom: 35px;
}
#meaning .main_box_logomark {
  overflow: hidden;
  border: #eeeeee 2px solid;
  padding: 40px 50px;
}
#meaning .main_box_logomark .logo {
  float: left;
}
#meaning .main_box_logomark .about_logo {
  float: right;
}
@media screen and (max-width: 768px) {
  #meaning {
    width: 92%;
    margin-bottom: 50px;
  }
  #meaning h3 {
    background-size: 50%;
    padding-top: 10px;
    padding-bottom: 40px;
    width: 100%;
  }
  #meaning .main_box_text {
    text-align: left;
  }
  #meaning .main_box_logomark {
    padding: 20px;
  }
  #meaning .main_box_logomark .logo {
    float: none;
    display: block;
    margin: 0 auto;
    margin-bottom: 20px;
  }
  #meaning .main_box_logomark .about_logo {
    float: none;
  }
}

#service .service_title_block h3 {
  margin-bottom: 26px;
  text-align: center;
}
#service .service_title_block .service_title_box {
  background: url(/files/about/images/service_bg_img.jpg) center 0 no-repeat;
  position: relative;
  margin-bottom: 10px;
  text-align: center;
}
#service .service_title_block .service_title_box .service_title_textbox {
  position: absolute;
  top: 30%;
  width: 100%;
  line-height: 2em;
}
#service .service_listblock .environment {
  background: url(/files/about/images/icon_environment.png) center 0 no-repeat;
}
#service .service_listblock .staff {
  background: url(/files/about/images/icon_staff.png) center 0 no-repeat;
}
#service .service_listblock .solution {
  background: url(/files/about/images/icon_solution.png) center 0 no-repeat;
}
#service .service_listblock .correspondence {
  background: url(/files/about/images/icon_correspondence.png) center 0 no-repeat;
}
#service .service_listblock .myself {
  background: url(/files/about/images/icon_myself.png) center 0 no-repeat;
}
#service .service_listblock ul {
  overflow: hidden;
  width: 1100px;
  margin: 70px auto 0;
}
#service .service_listblock ul .innerbox {
  width: 470px;
  float: left;
  padding: 160px 32px 60px 45px;
  margin-top: -160px;
}
#service .service_listblock ul .innerbox:last-child {
  float: none;
  clear: both;
  margin: -80px auto 0;
  padding-top: 80px;
}
#service .service_listblock ul .innerbox .top_box {
  text-align: center;
  border-bottom: #00479d 1px solid;
  padding: 60px 0 15px 0;
  font-weight: bold;
  color: #00479d;
  font-size: 18px;
}
#service .service_listblock ul .innerbox .bottom_box {
  margin-top: 20px;
  line-height: 1.714em;
}
@media screen and (max-width: 768px) {
  #service .service_title_block .service_title_box {
    background: none;
  }
  #service .service_title_block .service_title_box .service_title_textbox {
    position: static;
    line-height: 1.5em;
    width: 92%;
    margin: 0 auto;
  }
  #service .service_listblock ul {
    width: 92%;
    margin-bottom: 70px;
  }
  #service .service_listblock ul .innerbox {
    float: none;
    width: 92%;
    margin: 0 auto;
    padding: 25px 0;
  }
}