/*==================================================
ピングー
==================================================*/
h4 {
  color: #333333;
  text-shadow: 0 0 5px white;
  border-left: solid 15px #010079;
  background: -webkit-repeating-linear-gradient(-45deg, #cce7ff, #cce7ff 3px,#e9f4ff 3px, #e9f4ff 7px);
  background: repeating-linear-gradient(-45deg, #cce7ff, #cce7ff 3px,#e9f4ff 3px, #e9f4ff 7px);
	font-size: 150%;
	padding-left: 0.5em;
	margin-top: 1em;
	margin-bottom: 1em;
}
.container {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* PCは3列 */
  gap: 16px;
}

.box {
  text-align: center;
}

/* スマホ */
@media (max-width: 768px) {
  .container {
    grid-template-columns: repeat(2, 1fr); /* 2列 */
  }
}