.close-btn {
  position: relative;
	margin: 50px auto;
  padding: 10px 20px 10px 36px; /* 左側に×のスペースを確保 */
  font-size: 14px;
  color: #333;
  background: #f5f5f5;
  border: 1px solid #ccc;
  border-radius: 4px;
  cursor: pointer;
}

.close-btn::before {
  content: "×";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: bold;
  color: #666;
}

.close-btn:hover {
  background: #e8e8e8;
}
footer{
text-align: center;
}

.cruisemap img{
width: 400px;
height: auto
}

.cruisemap{
text-align: center;
margin-bottom: 10px;
}


.article table tr:nth-child(2n+1) th {
    background: #fff;
}


.article table th {
    background: #E4F1FC;
font-weight: bold;
text-align: left;
padding-left: 1em;
padding-right: 1em;
}