/* ====== DATAページナビ ====== */
html, body {
  margin: 0;
  padding: 0;
}

.data-nav {
  position: sticky;
  top: 0;
  z-index: 1000;

  display: flex;
  align-items: center;
  gap: 16px;

  padding: 10px 12px;
  background: #fff;
  border-bottom: 1px solid #ddd;
}

.data-nav a {
  text-decoration: none;
  color: #222;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.data-nav a:hover {
  opacity: 0.7;
}

.nav-logo img {
  height: 32px;
  width: auto;
  display: block;
}

/* スマホ対応 */
@media (max-width: 600px) {
  .data-nav {
    gap: 10px;
    padding: 8px 10px;
  }

  .data-nav a {
    font-size: 13px;
  }

  .nav-logo img {
    height: 28px;
  }
}