:root{--ink:#1c1c1e;--sub:#6b6b70;--line:#e3e3e7;--bg:#f4f4f6;--card:#fff;--accent:#5b3df5;--red:#e5484d;--yellow:#f5c518;--green:#30a46c;--blue:#3e63dd;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Pretendard,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--ink);margin:0}h1{margin:0;font-size:26px}h2{margin:0;font-size:20px}p{margin:0}.sub{color:var(--sub);font-size:14px}.err{color:var(--red);font-size:14px}.screen{max-width:480px;min-height:100svh;padding:20px 18px calc(20px + env(safe-area-inset-bottom));background:var(--bg);flex-direction:column;margin:0 auto;display:flex}.screen.center{justify-content:center;align-items:center}.stack{flex-direction:column;gap:12px;width:100%;display:flex}.btn{text-align:center;background:var(--ink);color:#fff;cursor:pointer;border:none;border-radius:12px;padding:14px 16px;font-size:16px;font-weight:700;text-decoration:none;display:block}.btn:disabled{opacity:.5;cursor:default}.btn.ghost{color:var(--ink);border:1px solid var(--line);background:#fff}.btn.warn{color:#b26a00;background:#fff4e5;border:1px solid #f0d49c}.link{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:4px;font-size:13px}.field{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:10px;padding:12px 14px;font-size:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.note{color:var(--sub);background:#fffbe9;border:1px solid #f3e6a8;border-radius:8px;padding:8px 10px;font-size:12px}@keyframes pop{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}@keyframes revealflash{0%{opacity:1}55%{opacity:.92}to{opacity:0}}