* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "ＭＳ Ｐゴシック", Helvetica, Arial, sans-serif;
}
.container {
  box-sizing: border-box;
  padding: 0;
  width: 100vw;
}
.container_lock {
  position: fixed;
}
.coupon_date {
  font-size: 1rem;
  margin: 1rem;
}
.scroll_post {
  box-sizing: border-box;
  display: inline;
  width: 100%;
}
.scroll_post > div {
  box-sizing: border-box;
  display: inline;
  float: left;
  margin: 0;
  padding: 0;
}