:root{--teal: #0f766e;--teal-d: #115e59;--bg: #f3f4f6;--card: #fff;--line: #e5e7eb;--text: #111827;--muted: #6b7280;--red: #b91c1c;--amber: #b45309}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,Hiragino Sans,Noto Sans JP,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:16px}button{font:inherit;cursor:pointer;border:0;border-radius:10px;padding:12px 16px;background:#e5e7eb;color:var(--text);min-height:48px}button.primary{background:var(--teal);color:#fff}button.danger{background:#fee2e2;color:var(--red)}button.ghost{background:transparent}button:disabled{opacity:.45;cursor:default}input,select,textarea{font:inherit;border:1px solid #d1d5db;border-radius:8px;padding:10px 12px;min-height:44px;background:#fff;width:100%}input[type=checkbox]{width:auto;min-height:0}label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.app{display:flex;flex-direction:column;height:100%}.nav{display:flex;gap:4px;padding:6px 8px;background:var(--teal-d);color:#fff;align-items:center;overflow-x:auto}.nav .brand{font-weight:700;margin-right:8px;white-space:nowrap}.nav button{background:transparent;color:#cbd5e1;min-height:40px;padding:8px 12px;white-space:nowrap}.nav button.active{background:#ffffff26;color:#fff}.nav .spacer{flex:1}.nav .badge{background:#f59e0b;color:#111;border-radius:999px;padding:2px 8px;font-size:12px}.nav .offline{background:#b91c1c;border-radius:6px;padding:2px 8px;font-size:12px}.main{flex:1;overflow:auto}.page{padding:12px;max-width:1100px;margin:0 auto}.card{background:var(--card);border-radius:12px;padding:14px;box-shadow:0 1px 2px #0000000f;margin-bottom:12px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.muted{color:var(--muted);font-size:13px}.err{color:var(--red);background:#fef2f2;padding:8px 12px;border-radius:8px;margin:8px 0}.ok{color:#065f46;background:#ecfdf5;padding:8px 12px;border-radius:8px;margin:8px 0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:middle}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}h1{font-size:20px;margin:0 0 12px}h2{font-size:16px;margin:0 0 10px}.reg{display:grid;grid-template-columns:1fr 360px;gap:12px;padding:12px;align-items:start}.reg .left{display:flex;flex-direction:column;min-height:0;height:calc(100vh - 80px);position:sticky;top:12px}@media(max-width:860px){.reg{grid-template-columns:1fr}.reg .left{height:auto;position:static}.reg .cart{max-height:40vh}}.reg .cart{flex:1;overflow:auto;background:#fff;border-radius:12px;padding:6px 10px}.reg .right{display:flex;flex-direction:column;gap:10px}.scanbar{display:flex;gap:8px;margin-bottom:10px}.scanbar input{font-size:18px;min-height:52px}.cart .line{display:grid;grid-template-columns:1fr auto;gap:6px;padding:8px 2px;border-bottom:1px solid var(--line);align-items:center}.cart .line .name{font-weight:600}.cart .line .sub{font-size:13px;color:var(--muted)}.cart .qty{display:flex;align-items:center;gap:4px}.cart .qty button{min-height:36px;padding:4px 12px}.cart .amt{font-weight:700;font-variant-numeric:tabular-nums;text-align:right;min-width:90px}.tag{display:inline-block;font-size:11px;padding:1px 6px;border-radius:4px;background:#e5e7eb;margin-left:4px}.tag.red8{background:#fef3c7;color:#92400e}.tag.exempt{background:#e0e7ff;color:#3730a3}.total{font-size:34px;font-weight:800;text-align:right;font-variant-numeric:tabular-nums}.totals .l{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);padding:2px 0}.paybtns{display:grid;grid-template-columns:1fr 1fr;gap:6px}.paybtns button.sel{background:var(--teal);color:#fff}.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.numpad button{font-size:20px;min-height:52px}.quick{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:6px;margin-top:8px}.quick button{min-height:56px;font-size:14px;background:#fff;border:1px solid var(--line);text-align:left;padding:8px 10px}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:12px;z-index:50}.modal{background:#fff;border-radius:14px;padding:16px;width:100%;max-width:480px;max-height:92vh;overflow:auto}.receipt{font-family:Courier New,monospace;white-space:pre;font-size:13px;background:#fafafa;padding:12px;border-radius:8px;overflow-x:auto}.member{background:#ecfeff;border:1px solid #a5f3fc;border-radius:10px;padding:10px}.login{max-width:360px;margin:80px auto}video.cam{width:100%;border-radius:10px;background:#000}