article{
    margin: 0 auto;
    width: 80%;
}

.case_main_h2 {
width: 100%;
    position: relative;
    display: inline-block;
    margin-top: 0;
    margin-left: 0;
    margin-bottom: 20px;
    padding: 0;
    font-size: 26px;
    font-weight: bold;
    color: rgb(51, 51, 51);
    text-align: left;
    border-bottom: solid 3px #dadeec;
    box-sizing: border-box;
}

.case_main_h2:before {
    position: absolute;
    content: " ";
    display: block;
    border-bottom: solid 3px #FF0000;
    bottom: -3px;
    width: 10%;
        -webkit-appearance: none;
}

.case_h3 {
    width:95%;
    position: relative;
    /*padding:0.25em 1em;
    margin:50px auto;*/
    color: #da6000;
    box-sizing: border-box;
        font-size: 30px;
    font-weight: bold;
    text-align: center;

}
.case_h2 {
 margin-top: 50px;
  padding: 0.25em 0.5em;/*上下 左右の余白*/
  color: #494949;/*文字色*/
  background: transparent;/*背景透明に*/
  border-left: solid 5px #da6000;/*左線*/
  }

.main {
    width: 100%;
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 0;
    margin-bottom: 80px;
    padding: 0;
    margin-left: auto;
    margin-right: auto;
}
.main a {
    position: relative;
    width: 220px;
    height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    align-content: center;
    font-size: 16px;
    font-weight: bold;
    padding: 0.5em 0.5em;
    margin-top: 0;
    margin-bottom: 10px;
    margin-right: 20px;
    border: solid 5px #dadeec;
    text-align: center;
    color: #06c;
    box-sizing: border-box;}

.main_a_null {
    position: relative;
    width: 200px;
    height: 100px;
    padding: 0.5em 0.5em;
    margin-top: 0;
    margin-bottom: 10px;
    margin-right: 20px;
    border: none !important;
    text-align: center;
    color: #06c;
}

@media screen and (max-width: 600px) {
.main a {
    width: 100%;
    height: auto;
  }
}

@media screen and (max-width: 600px) {
.main_a_null {
    display: none !important;
  }
}


@media screen and (max-width: 600px) {
  br {
    display: none;
  }
}

.common,.common_s {
 text-align: center;
}

.system_image img{
    max-width: 600px;
    width: 95%;
    height: auto;
    display: block;
    margin: 0 auto;
    
}

.common img {
width:80%;
max-width:700px;
height:auto;
}

@media screen and (max-width: 420px) {
.common img {
width:100%;
height:auto;
}
}
.common_s img {
}

.icon {
  float: right;
  margin-left: 20px;
}


.introduction {
  text-align: center;
}

p.interview {
  font-weight: bold;
  font-style: oblique;
}

.kyoutyou {
  font-weight: bold;
  font-style: oblique;
}

.bold {
  font-weight: bold;
}

.photo {
  float: right;
  margin-left: 20px;
  width: auto;
  height: auto;　
}

.link {
  text-decoration: underline;
}

.red {
  color: red;
  font-weight: bold;
}



.btn-flat-border:before {
  content: '';
  position: absolute;
  right: 15px;
  top: 13px;
  width: 5px;
  height: 5px;
  border-top: solid 1px currentColor;
  border-right: solid 1px currentColor;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}

.btn-flat-border {
  position: relative;
  display: inline-block;
  font-weight: bold;
  padding: 5px 30px 5px 15px;
  text-decoration: none;
  border: solid 1px #668ad8;
        border-radius: 50px;
  color: #668ad8;
  transition: .4s;
}

.btn-flat-border:hover {
  background: #67c5ff;
  color: white;
}
  
  /* ++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
/* 導入事例テーブル */
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++ */

.introduction{
  width:70%;
  border: 2px solid #ccc;
  overflow: hidden;
  word-break: break-all;
  word-wrap: break-word;
  margin-bottom: 50px;
}

@media screen and (max-width: 420px) {
.introduction{
  width:100%;
    }}
 
 
.introduction th{
  padding: 6px 8px 5px;
  border-top: solid 1px #ffffff;
  width: 15%;
  overflow: hidden;
  color: #13131e;
  font-style: normal;
  font-weight: bold;
  font-size: 16px;
  text-align: center;
  word-break: break-all;
  word-wrap: break-word;
  vertical-align: top;
  background-color: #ccc;
}
 
.introduction td{
  padding: 5px 10px;
  text-align: left;
  vertical-align: top;
  color: #595960;
  font-style: normal;
  font-size: 16px;
  background-color: #ffffff;
  border-top: dotted 1px #e0dccc;
  overflow: hidden;
  word-break: break-all;
  word-wrap: break-word;
}
 
@media (max-width: 420px){
.introduction th{
  width:95%;
  display:block;
  margin: 0 auto;
  border:none;
  border-radius: 3px;
    box-sizing: border-box;
    margin-top: 10px;
}
    
.introduction td{
  display: list-item;
  margin: 0 auto;
  border-top: none !important;
}
    
.introduction tr{
  border:none;
}}