body{background-image:url(../images/bg_a.png);background-position:top center;background-repeat:repeat-y;background-size:100%}img{max-width:100%;height:auto}.header{position:fixed;top:0;left:0;width:100%;background-color:#fff;text-align:center;background-color:rgba(255,255,255,.8)}.fixed{margin-top:0}.logo{width:50%;margin:20px auto 30px}.menu{padding:0;width:auto}.menu_item{display:inline-table;margin-right:3px;margin-left:8px;width:auto;margin-bottom:1rem;}h1{width:50%;margin-left:auto;margin-right:auto}h2{width:20%;margin-left:auto;margin-right:auto}.text,.text_vision,h3{width:90%;margin-left:auto;margin-right:auto}.service{margin-top:85px;margin-left:auto;margin-right:auto;width:auto}.service_list{width:100%}.sankaku{margin-top:2px;margin-bottom:2px;width:6px}.outline{margin-top:85px;margin-left:auto;margin-right:auto;width:90%}td{padding-left:20px}.mail,.tel{width:50%;margin-left:auto;margin-right:auto}footer{font-size:12px}.pc{display:none!important}.sp{display:block!important;padding:0 24px}ul.service_list{padding-left:26px}.header{opacity:0;margin-top:0}.header .menu_item:first-child{margin-left:3px}

h1.project_management {
  width: 90%;
}

ol {
  text-align: left;
  width: 100%;
  padding: 0 48px 0 64px;
  box-sizing: border-box;
}

ol > li:not(:last-child) {
  margin-bottom: 1rem;
}

#box_project_management {
  margin-bottom: 300px;
}

br.sp-on {
  display: inline-block;  
}

span.pc-on {
  display: none;
}