/* ===== 下部固定ナビ（全ページ共通） ===== */
.bottom-nav{
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  background:rgba(10,10,10,.97);backdrop-filter:blur(12px);
  border-top:1px solid #1e1e1e;
  display:flex;height:56px;
  padding-bottom:env(safe-area-inset-bottom);
}
.bnav-item{
  flex:1;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:2px;
  color:#555;font-size:10px;font-weight:600;
  transition:color .15s;position:relative;
  text-decoration:none;
}
.bnav-item:hover,.bnav-item.active{color:#ff1744}
.bnav-icon{font-size:18px;line-height:1}
.bnav-label{font-size:9px;letter-spacing:.3px}
.fav-badge{
  position:absolute;top:4px;right:calc(50% - 18px);
  background:#ff1744;color:#fff;font-size:9px;font-weight:700;
  min-width:14px;height:14px;border-radius:7px;
  display:none;align-items:center;justify-content:center;
  padding:0 3px;
}