*{box-sizing:border-box;margin:0;padding:0}
html,body,#root{height:100%;width:100%;overflow:hidden}
body{font-family:'Noto Sans JP',system-ui,sans-serif;background:#f8f9fb;color:#1e293b}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(0,0,0,.12);border-radius:3px}
@keyframes portPulse{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.9}50%{transform:translate(-50%,-50%) scale(1.3);opacity:1}}
@keyframes nodeHoverRing{0%,100%{transform:scale(1);opacity:.5}50%{transform:scale(1.12);opacity:.25}}