.contents {
     width: 100%;
     max-width: 1200px;
     margin: auto;
     background: #EAEAEA;
     color: #313131;
 }
 .contents img {
     width: 100%;
 }
 .text-center {
     text-align: center;
 }
 .flexbox {
     display: flex;
 }
 .box1 {
     width: 35%;
     margin: auto;
 }
 .box2 {
     width: 65%;
     margin-top: auto;
     margin-bottom: auto;
     margin-left: auto;
     margin-right: 4%;
 }
 @media screen and (max-width: 767px) {
     .flexbox {
         display: block;
     }
     .flexbox .box1 {
         width: 100%;
         margin: 0 auto;
     }
     .flexbox .box2 {
         width: 82%;
         margin: 0 auto;
     }
 }