/*
canvas {
display: block;
position: absolute;
top: 0px;
left: 0px;
z-index: -2;
pointer-events: none;
}
*/

canvas {
margin: 0;
padding: 0;
line-height: 1.0;
position: fixed; /* ← absoluteからfixedに変更 */
top: 0px;
left: 0px;
z-index: -1;
pointer-events: none;
}



.link {
  cursor: pointer;
}

.link img {
  display: none;
}


.link {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  margin: 0px;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  text-decoration: none;
}