.site-header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 75 !important;
  height: 76px !important;
  background: rgba(2,15,30,.9) !important;
  border-bottom: 1px solid rgba(253,139,0,.35) !important;
  backdrop-filter: blur(18px) !important;
  box-shadow: 0 4px 20px rgba(253,139,0,.12) !important;
}
.site-header-inner { max-width: 1280px; height: 100%; margin: 0 auto; padding: 0 24px; display:flex; align-items:center; gap:28px; }
.site-brand { color:#fd8b00 !important; font-family:'Noto Serif JP',serif; font-weight:700; letter-spacing:.16em; white-space:nowrap; text-decoration:none; }
.site-nav { margin-left:auto; display:flex; align-items:center; gap:22px; }
.site-nav a { color:#d3c3bd; font-family:'Noto Serif JP',serif; font-size:14px; letter-spacing:.08em; text-decoration:none; white-space:nowrap; padding:8px 0; border-bottom:2px solid transparent; }
.site-nav a:hover, .site-nav a.is-active { color:#fd8b00 !important; border-bottom-color:#fd8b00; }
.site-nav .site-guide-trigger { cursor:pointer; }
.site-reserve { color:#061423 !important; background:#fd8b00; border:0 !important; border-radius:999px; padding:10px 20px !important; font-weight:700; }
.site-reserve:hover { color:#061423 !important; background:#ffb74d; }
.site-mobile-menu { display:none; }
body { padding-top:0 !important; }
@media (max-width: 900px) {
  .site-header { height:64px !important; }
  body { padding-top:0 !important; }
  .site-header-inner { padding:0 14px; gap:12px; }
  .site-brand { font-size:14px; }
  .site-nav { gap:10px; }
  .site-nav a:not(.site-reserve):not(.site-mobile-menu) { display:none; }
  .site-mobile-menu { display:inline-flex !important; color:#fd8b00 !important; border:1px solid rgba(253,139,0,.5) !important; border-radius:999px; padding:7px 10px !important; font-size:12px !important; }
  .site-reserve { padding:8px 13px !important; font-size:12px !important; }
}