html {
scroll-behavior: smooth;
}
.qr-btn-block {
text-align: center;
margin: 35vh 15px 50vh;
border: 1px solid #ddd;
}
.qr-btn-box a {
padding: 20px 15px;
background: #00bcd4;
display: block;
color: #fff;
margin: 15px;
font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", sans-serif;
font-size: 18px;
font-weight: bold;
}
.qr-block {
  padding: 50px 15px 100px;
  border-top: 15px solid #ddd;
}
.qr-block h2 {
  text-align: center;
  font-size: 20px;
  font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", sans-serif;
  font-weight: bold;
}
.qr-img {
  text-align: center;
}
.qr-img img {
  max-width: 100%;
}