div.whatsnew {
  margin: 10px 0 5px 0;
  word-break: break-all;
  overflow: hidden;
}
div.whatsnew a {
  padding: 15px 0;
  display: block;
  text-decoration: none;
  box-shadow: none;
}
/* a:hover */
div.whatsnew a:hover {
  background-color: #f5f5f5;
  mix-blend-mode: multiply; /* 乗算 */
  transition: 0.3s;
  text-decoration: none;
  box-shadow: none;
}
/* hr */
div.whatsnew hr {
	width: 100%;
	margin: 0;
	padding: 0;
	border-top: 1px solid #ccc;
	border-right: none;
	border-bottom: none;
	border-left: none;
}
/* NEW */
div.whatsnew .newmark {
  position: relative;
  top: -3px;
  font-size: 74%;
  padding: 1px 5px 2px;
  vertical-align: middle;
  color: White;
  background-color: red;
  border-radius: 3px;
}
div.whatsnew dl {
  margin: 0;
  padding: 0;
  border: 0;
}
/* DATE */
div.whatsnew dt {
  margin: 0 0 5px 3px;
  padding: 0;
  border: 0;
  font-size: 15px; font-size: 1.5rem; 
  line-height: 1.6 !important; 
  color: #444;
  font-weight: normal;
  white-space: nowrap;
}
/* 記事 */
div.whatsnew dd {
  margin: 0;
  padding: 0 2px;
  font-size: 17px; font-size: 1.7rem;
  line-height: 1.6 !important; 
}
@media screen and (min-width: 639px) {
  div.whatsnew dl {
    overflow: hidden;
  }
  div.whatsnew dt {
    float: left;
    width: 8.1em;
    overflow: hidden;
  }
  div.whatsnew dd {
    overflow: hidden;
  }
}