.service_section .iot-factory-jumbotron .jumbotron {
  background-image: url("../img/iot_main.jpg");
  background-size: cover;
  position: relative;
  background-position: center 30%;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}

.service_section .image-analysis-jumbotron .jumbotron {
  background-image: url("../img/meter_main.jpg");
  background-size: cover;
  position: relative;
  background-position: center 15%;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}

.service_section .operation-analysis-jumbotron .jumbotron {
  background-image: url("../img/nc_main.jpg");
  background-size: cover;
  position: relative;
  background-position: center 50%;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}

.jumbotron::before{
	/* 透過した黒を重ねる */
	background-color: rgba(0,0,0,0.3);
	/* どの範囲に重ねるかを指定 */
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	content: ' ';
}

.service_section .jumbotron h2 {
  color: white;
  padding-top: 5%;
  position: relative;
}

.service_section .jumbotron p {
  color: white;
  position: relative;
}

@media(max-width:480px) {
  .thumbnail {
    margin-left:  5%;
    margin-right:  5%;
    margin-top: 20px;
    margin-bottom: 10px;
  }
}

.service_section article p {
    text-align: left;
    line-height: 24px;
}

.service_section article li {
  font-weight: bold;
}

.service_section .embed-responsive {
  margin-top: 40px;
  margin-bottom: 40px;
}

.section-heading {
  margin-top:  10%;
  margin-bottom:  5%;
  text-align: center;
}

.underline {
  height: 1px;
  background-color: black;
  border: none;
  margin-top: -2%;
  margin-bottom: 3%;
}

.service-sketch {
  margin: 5%;
}

.bs-callout {
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #eee;
    border-left-width: 5px;
    border-radius: 3px;
}

.bs-callout-warning {
    border-left-color: #337ab7;
}

.fa-blue {
  color: #337ab7;
}

.fa-white {
  color: white;
}