body {
  font-family:
    "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Helvetica Neue", Arial,
    "Noto Sans JP", sans-serif;
  margin: 50px;
}

.icon {
  width: 64px;
  height: 64px;
  margin: 4px;
  display: block;
}

.links a:first-child .icon {
  margin-left: 0;
}

.links a:last-child .icon {
  margin-right: 0;
}

.links {
  font-size: 0;
}

.links a {
  text-decoration: none;
  display: inline-block;
  font-size: initial;
}