body {
  margin: 0;
}
main {
  background: #FCF471
}
.contents {
  max-width: 1124px;
  margin: 0 auto;
  padding: 120px 0;
}
.img_logo {
  max-width: 688px;
  display: block;
  margin: 0 auto;
}
.box {
  margin: 45px auto 120px;
  border: 1.5px solid #000;
  padding: 25px 15px 20px;
}
.box p {
  margin-block-start: 0;
  margin-block-end: 0;
  margin: 0 0 10px;
  text-align: center;
  line-height: 30px;
  font-weight: bold;
}
.img_qr {
  width: 70px;
  display: block;
  margin: 0 auto;
}
.footer {
  background: #fff;
  padding: 24px 0;
}
.footer span {
  display: block;
  text-align: center;
}

@media screen and (max-width: 768px) {
  .contents {
    padding: 70px 16px;
  }
  .img_logo {
    width: 80%;
    margin: 0 auto;
  }
  .box {
    margin: 40px auto 70px;
    border: 1px solid #000;
    padding: 25px 15px 20px;
  }
  .footer {
    padding: 15px 0;
  }
  .footer span {
    font-size: 14px;
  }
}