/*--------------------------------------------------------------
# idea
--------------------------------------------------------------*/
.idea .idea-item {
    overflow: hidden;
    border-right: 3px solid rgb(0, 0, 0);
    border-bottom: 3px solid rgb(0, 0, 0);
  }
  
  .idea .idea-item img {
    transition: all ease-in-out 0.4s;
    height: auto;
    width: 100%;
  }
  
  .idea .idea-item:hover img {
    transform: scale(1.1);
  }
  
  .idea .idea-item i {
    color: rgb(254, 255, 255);
    margin: 0;
    font-size: 28px;
    display: inline-block;
    font-size: 50px;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    margin:0;
    padding:0;
    cursor: pointer;
  }
  .idea .idea-item i:hover {
    color: #4ae3c6;
  }


  .text-background-darkAlpha {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.4em;
    padding: 5px;
    background:#2d2d2d90;
  }



/* 資料ダウンロードボタン begin */
.button_solid015 {
  text-align: center;
}
.button_solid015 p {
  margin-bottom: 5px;
  font-weight: 600;
  color: #6bceff;
  letter-spacing: 0.04rem;
  display: inline-block;
  position: relative;
}
.button_solid015 p:before, .button_solid015 p:after {
  display: inline-block;
  position: absolute;
  top: 45%;
  width: 20px;
  height: 3px;
  border-radius: 5px;
  background-color: #6bb6ff;
  content: "";
}
.button_solid015 p:before {
  left: -30px;
  -webkit-transform: rotate( 50deg );
  transform: rotate( 50deg );
}
.button_solid015 p:after {
  right: -30px;
  -webkit-transform: rotate( -50deg );
  transform: rotate( -50deg );
}
.button_solid015 a {
  position: relative;
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin: 0 auto;
  max-width: 240px;
  padding: 10px 25px;
  color: #FFF;
  transition: 0.3s ease-in-out;
  font-weight: 600;
  background: #6bb6ff;
  filter: drop-shadow(0px 2px 4px #ccc);
  border-radius: 50px;
}
.button_solid015 a:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgb(0 0 0 / 15%), 0 0 5px rgb(0 0 0 / 10%);
}
/* 資料ダウンロードボタン end */



.no-gutters {
  margin:0;
  padding:0;
}
 
.no-gutters　> .col,
.no-gutters　> [class*="col-"] {
  margin:0;
  padding:0;
}