#site-footer {
  padding: 3rem 1rem 2rem;
  background-color: #2980B9;  /* フッター背景色 */
  color: #fff;                /* 文字色を白に */
  padding: 2rem 1rem;
  text-align: center;         /* 中央揃え */
  font-size: 0.9rem;
  line-height: 1.6;
}

#site-footer a {
  color: #fff;
  text-decoration: underline;
}

#site-footer .footer-nav {
  margin-bottom: 1rem;
}

#site-footer address {
  font-style: normal;
  margin-bottom: 1rem;
}

#site-footer .photo-credit {
  font-size: 0.8rem;
  color: #ccc;
  margin-top: 1rem;
}

#site-footer .footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

#site-footer .footer-nav li {
  margin: 0;
}

#site-footer .footer-nav li a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

#site-footer .footer-nav li a:hover,
#site-footer .footer-nav li a:focus {
  color: #a9d6f5;
  text-decoration: underline;
}