/* === Design Tokens (MIL-STD-1472G + JIS X 8341-4 compliant) === */
:root {
    --btn-size: 15mm;       /* MIL-STD-1472G Figure 3: bare finger minimum 15x15mm */
    --btn-gap: 5mm;         /* MIL-STD-1472G Figure 3: first-contact actuation separation */
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.25);
    --bg: #ffffff;
    --fg: #1a1a1a;
    --fg-secondary: #4a4a4a;
    --accent: #0060cc;
    --accent-active: #004499;
    --border: #cccccc;
    --danger: #cc0000;
}
/* === Base Reset === */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; overflow: hidden; }
#map { width: 100vw; height: 100vh; background: #aad3df; }