.sub_mv{
  margin-bottom: 50px;
}
.sub_mv > div > div{
  background: url(./images/mv/pc/mv_solution.jpg) no-repeat;
  background-size: cover;
  background-position: center;
}
@media screen and (max-width: 768px) {
  .sub_mv{
    margin-bottom: 0;
  }
	.sub_mv > div > div{
		background: url(./images/mv/sp/mv_solution.jpg) no-repeat;
		background-size: cover;
		background-position: center;
  }
}


.trouble{
  padding: 0 20px;
}
.trouble .hdg01{
  padding-top: 10px;
}
.trouble > div{
  width: 100%;
  max-width: 1580px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.trouble > div a{
  width: calc(100%/7 - 2%);
}
.trouble > div a img{
  max-width: 100%;
}
@media screen and (max-width: 768px){
  .trouble > div{
    width: 80%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  .trouble > div a{
    width: calc(100%/4);
    padding: 0 10px;
  }
  .trouble > div a:nth-child(-n+4){
    margin-bottom: 10px;
  }
}
@media screen and (max-width: 480px){
  .trouble > div{
    width: 100%;
  }
  .trouble > div a{
    width: calc(100%/4);
    padding: 0 5px;
  }
}

.tooth{
  line-height: 1.66;
}
.bg_b{
  background: linear-gradient(-90deg,rgb(76, 140, 210,0.2),
	rgb(85, 172, 224,0.2));
  padding: 20px 20px 70px 20px;
  margin: 70px 0 50px 0;
}
.bg_w{
  padding: 0 20px;
  margin-bottom: 50px;
}
@media all and (-ms-high-contrast: none){
  .bgc{
    background: rgba(76, 140, 210,0.2);
  }
}
.tooth > div > div{
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  background: #fff;
  border: 3px solid #4c8cd2;
  border-radius: 10px 0 10px 0;
  padding: 50px 20px;
}
.tooth > div > div img{
  display: block;
  margin: 0 auto 30px;
  max-width: 100%;
}
.tooth > div > div ul{
  margin: 0 auto 50px;
  width: 50%;
}
.tooth > div > div ul.w_100{
  width: 100%;
}
.tooth > div > div ul.w_40{
  width: 40%;
}
.tooth > div > div ul.w_70{
  width: 70%;
}
.tooth > div > div ul.w_80{
  width: 80%;
}
.tooth > div > div ul .tc{
  text-align: center;
}
.tooth > div > div ul li{
  font-size: 24px;
  font-weight: bold;
  padding-left: 1.5em;
  text-indent: -1.5em;
  margin-bottom: 0.5rem;
}
.tooth > div > div ul li::before{
  content: "";
  display: inline-block;
  width: 20px;
  height: 17px;
  margin-right: 1rem;
  background: url(../mdg01/images/common/check_icon_03.png) no-repeat;
  background-size: contain;
}
.tooth > div > div p{
  background: #f3f7fb;
  border-radius: 20px 0 20px 0;
  width: 100%;
  max-width: 960px;
  margin: 0 auto 50px;
  padding: 50px 60px;
}
@media screen and (max-width: 1000px){
  .tooth > div > div ul{
    width: 80%;
  }
  .tooth > div > div ul.w_100,.tooth > div > div ul.w_40,.tooth > div > div ul.w_70,.tooth > div > div ul.w_80{
    width: 100%;
  }
}
@media screen and (max-width: 480px){
  .bg_b{
    padding: 0 20px 30px 20px;
    margin: 30px 0 20px 0;
  }
  .bg_w{
    margin-bottom: 20px;
  }
  .tooth > div > div{
    padding: 30px 20px 10px 20px;
  }
  .tooth > div > div img{
    width: 90%;
    margin: 0 auto 20px;
  }
  .tooth > div > div ul{
    width: 100%;
    margin: 0 auto 30px;
  }
  .tooth > div > div ul.w_100,.tooth > div > div ul.w_40,.tooth > div > div ul.w_70,.tooth > div > div ul.w_80{
    width: 100%;
  }
  .tooth > div > div ul .tc{
    text-align: left;
  }
  .tooth > div > div ul li{
    font-size: 14px;
  }
  .tooth > div > div ul li::before{
    margin-right: 0.5rem;
    width: 15px;
    height: 13px;
  }
  .tooth > div > div p{
    background: #fff;
    border-radius: none;
    margin: 0 auto 30px;
    padding: 0;
    font-size: 14px;
  }
}




.column{
	padding: 70px 0;
}
.column div{
	text-align: center;
}
.column div img{
	max-width: 100%;
}
@media screen and (max-width: 480px){
	.column{
		padding: 30px 0;
	}
	.column div img{
		max-width: 100px;
	}
}