div.ueshima-whatsnew {
  margin: 10px 0;
  font-size: 100%;
  word-break: break-all;
  overflow: hidden;
}

div.ueshima-whatsnew .whatsnew-title {
  margin-bottom: 15px;
  font-size: 1.8em;
  font-weight: bold;
}

div.ueshima-whatsnew hr {
  margin: 0;
  padding: 0;
  border: 0;
  border-top: 1px solid #e0e0e0;
}

div.ueshima-whatsnew .whatsnew-item {
  position: relative;
  background-color: #f5f5f5;
  margin-bottom: 15px;
}

div.ueshima-whatsnew .whatsnew-link {
  display: flex;
  align-items: flex-start;
  padding: 15px;
  text-decoration: none;
  box-shadow: none;
  transition: background-color 0.2s ease;
}

div.ueshima-whatsnew .whatsnew-link:hover {
  background-color: #ebebeb;
  text-decoration: none;
  box-shadow: none;
}

div.ueshima-whatsnew .whatsnew-thumbnail {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  margin-right: 20px;
  overflow: hidden;
  border-radius: 0;
}

div.ueshima-whatsnew .whatsnew-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

div.ueshima-whatsnew .whatsnew-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

div.ueshima-whatsnew .whatsnew-meta {
  margin-bottom: 10px;
}

div.ueshima-whatsnew .whatsnew-date {
  color: #666;
  font-size: 1em;
  display: block;
  margin-bottom: 10px;
}

div.ueshima-whatsnew .newmark {
  font-size: 0.7em;
  padding: 2px 6px;
  vertical-align: middle;
  color: white;
  background-color: #ff4500;
  border-radius: 3px;
  font-weight: bold;
  white-space: nowrap;
  margin-left: 8px;
}

div.ueshima-whatsnew .whatsnew-title-text {
  font-weight: 600;
  color: #333;
  line-height: 1.5;
  font-size: 1.1em;
}

div.ueshima-whatsnew .whatsnew-excerpt {
  font-size: 0.9em;
  color: #666;
  line-height: 1.5;
  margin-top: 8px;
}

/* スマホでも同じレイアウト（画像を小さく） */
@media screen and (max-width: 600px) {
  div.ueshima-whatsnew .whatsnew-title {
    font-size: 1.5em;
  }
  
  div.ueshima-whatsnew .whatsnew-link {
    padding: 12px;
  }
  
  div.ueshima-whatsnew .whatsnew-thumbnail {
    width: 120px;
    height: 120px;
    margin-right: 12px;
  }
  
  div.ueshima-whatsnew .whatsnew-date {
    font-size: 0.9em;
    margin-bottom: 8px;
  }
  
  div.ueshima-whatsnew .whatsnew-title-text {
    font-size: 1em;
    line-height: 1.4;
  }
  
  div.ueshima-whatsnew .whatsnew-excerpt {
    font-size: 0.85em;
  }
  
  div.ueshima-whatsnew .whatsnew-item {
    margin-bottom: 12px;
  }
}

/* 旧スタイル（後方互換性のため残す） */
div.whatsnew dl {
  margin: 0;
  padding: 0;
  border: 0;
}

div.whatsnew dt {
  margin: 0 0 0 0.3em;
  padding: 0;
  border: 0;
  color: Gray;
  font-weight: normal;
  white-space: nowrap;
}

div.whatsnew dd {
  margin: 0;
  padding: 0 2px;
}

@media screen and (min-width: 600px) {
  div.whatsnew dl {
    overflow: hidden;
  }
  div.whatsnew dt {
    float: left;
    width: 8.1em;
    overflow: hidden;
  }
  div.whatsnew dd {
    overflow: hidden;
  }
}