#base {
  background-color: #fff;
}

.flex-container
{
	margin: 10px;
}

.flex-canvas
{
	-ms-touch-action: none;
	touch-action: none;
	border: 1px solid #000000;
	border-radius: 10px;
}

.parent{
  text-align:center;
}

/* 縦向き */
@media screen and (orientation:portrait) {
  .flex-container{
  	display: block;
  }
}

/* 横向き */
@media screen and (orientation:landscape) {
  .flex-container{
  	display: inline-block;
  }
}

@media screen and (max-width:375px) {
    .h1{
        font-size:1rem !important;
    }
}