body {
  width: fit-content;
  margin: 0 auto;
  
}

.flex {
  display: flex;
  column-gap: 100px;
  /* row-gap:150px */
}
.flex > div > div:not(:last-child) {
  margin-bottom: 30px;
}
input[type="button"] {
  width: 30rem;
  height: 7rem;
  font-size: 1.5rem;
}

html {
  height: 100%;
  margin: 0;
  display: grid;
  place-items: center;
  
}
.date{
  font-size: 2.5rem;
}
* {
  /* transform: scale(1.02); 要素を1.2倍に拡大 */
}