:root { --bg:#f6f7f9; --card:#fff; --text:#1a1a1a; --sub:#666; --line:#e2e4e8; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#16181b; --card:#22252a; --text:#eee; --sub:#9aa0a6; --line:#33373d; }
}
html, body { touch-action:manipulation; }   /* 地図以外のダブルタップ拡大を無効にする(ピンチ拡大やタップはそのまま) */
body { margin:0; font-family:system-ui,sans-serif; background:var(--bg); color:var(--text); }
#bar { padding:8px 12px; display:flex; flex-direction:column; gap:6px; }
.row { display:flex; gap:6px; }
.ib { -webkit-user-select:none; user-select:none; touch-action:manipulation; flex:1 1 0; min-width:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px; padding:6px 2px; font-size:11px; line-height:1.2; border-radius:10px; border:1px solid var(--line); background:var(--card); color:var(--text); cursor:pointer; -webkit-tap-highlight-color:transparent; }
.ib.wide { flex:1.6 1 0; }
.ib svg { display:block; }
.ib span { white-space:nowrap; }
.ib.on { background:#2563eb; border-color:#2563eb; color:#fff; }
.ib.tab { flex-direction:row; gap:6px; font-size:14px; padding:8px 4px; }
.tag { display:inline-block; color:#fff; font-size:11px; padding:0 8px; border-radius:10px; margin-right:6px; }
.spot-label { font-size:12px; padding:1px 6px; }
.zlow .spot-label { display:none; }
button { font-family:inherit; }
#map { height:55vh; width:100%; }
#status { color:var(--sub); font-size:12px; padding:6px 12px 0; }
#list { padding:4px 12px 16px; }
.port { background:var(--card); border:1px solid var(--line); border-radius:10px; padding:10px 12px; margin:8px 0; cursor:pointer; }
.head { display:flex; justify-content:space-between; align-items:baseline; }
.name { font-weight:bold; font-size:16px; }
.dist { color:var(--sub); font-size:13px; }
.dep { margin-top:6px; font-size:14px; }
.arr { color:var(--sub); font-size:12px; margin-bottom:4px; }
.ok { color:#1a8f3c; } .warn { color:#c28a00; } .ng { color:#d12f2f; font-weight:bold; }
.sub { color:var(--sub); font-size:12px; margin-top:6px; line-height:1.5; }
.leaflet-popup-content { color:#1a1a1a; font-size:13px; }
.me-arrow { background:none; border:none; pointer-events:none; }
.me-arrow div { width:36px; height:36px; transform-origin:50% 50%; }
.me-arrow svg { display:block; }
.offscr { background:#fff; color:#1a1a1a; border:1px solid #cfd3d9; border-radius:8px; padding:6px 10px; font-size:13px; line-height:1.4; max-width:70vw; cursor:pointer; box-shadow:0 1px 4px rgba(0,0,0,.25); }