:root{--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #1f2937;--muted: #6b7280;--brand-green: #5bd24a;--brand-blue: #1fb0ea;--brand-grad: linear-gradient(135deg, #5bd24a, #1fb0ea);--brand-soft: #e9f7f1;--accent: #0e9cc4;--err: #b91c1c;--err-bg: #fef2f2;--warn: #92400e;--warn-bg: #fff7e6;--ok: #15803d;--radius: 10px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;background:var(--bg);color:var(--text);font-size:14px}h1,h2,h3{margin:0 0 10px}h2{font-size:17px}h3{font-size:15px}input,select,textarea,button{font:inherit}input[type=text],input[type=email],input[type=datetime-local],input:not([type]),select,textarea{border:1px solid var(--border);border-radius:8px;padding:7px 9px;background:#fff;color:var(--text);min-width:0}textarea{width:100%;resize:vertical;line-height:1.6}code{background:#f1f5f9;padding:1px 5px;border-radius:4px}.center{min-height:100%;display:grid;place-items:center;padding:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:14px}.card.narrow{max-width:420px;width:100%}.muted{color:var(--muted)}.small{font-size:12px}.nowrap{white-space:nowrap}.error{color:var(--err)}.warn{color:var(--warn);background:var(--warn-bg);border-radius:6px;padding:4px 8px}.ok{color:var(--ok);font-weight:600}.notice{background:var(--brand-soft);padding:10px;border-radius:8px}.mt{margin-top:14px}.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}.grow,.spacer{flex:1}.btn{border:1px solid var(--border);background:#fff;border-radius:8px;padding:7px 14px;cursor:pointer;color:var(--text)}.btn:hover:not(:disabled){border-color:#cbd5e1;background:#f8fafc}.btn:disabled{opacity:.45;cursor:default}.btn.primary{background:var(--brand-grad);color:#fff;border:none;font-weight:600}.btn.primary:hover:not(:disabled){filter:brightness(1.05);background:var(--brand-grad)}.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}.btn.small{padding:4px 10px;font-size:12px}.btn.wide{width:100%;padding:10px}.login{text-align:center}.login-logo{height:44px;margin-bottom:8px}.login form{justify-content:center}.divider{color:var(--muted);font-size:12px;margin:14px 0}.shell{min-height:100%;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:8px 16px;background:#1f2937;color:#fff}.brand{display:flex;align-items:center;gap:8px;font-weight:700}.brand img{height:24px;background:#fff;border-radius:6px;padding:2px}.seg{display:inline-flex;border-radius:8px;overflow:hidden;border:1px solid rgba(255,255,255,.25)}.seg button{border:none;background:transparent;color:inherit;padding:5px 14px;cursor:pointer}.seg button.on{background:var(--brand-grad);color:#fff;font-weight:600}.seg button em{font-style:normal;margin-left:4px;opacity:.7;font-size:11px}.main .seg{border-color:var(--border)}.main .seg button{color:var(--text)}.main .seg button.on{color:#fff}.seg.small button{padding:4px 10px;font-size:12px}.tabs{display:flex;gap:2px}.tabs button{border:none;background:transparent;color:#cbd5e1;padding:7px 12px;border-radius:6px;cursor:pointer}.tabs button.on{color:#fff;background:#ffffff1f;box-shadow:inset 0 -2px 0 var(--brand-blue)}.store-select{background:#fff}.who{color:#cbd5e1;font-size:12px}.topbar .btn.ghost{color:#cbd5e1}.main{padding:16px;max-width:1400px;width:100%;margin:0 auto}.subtabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px}.subtabs button{border:none;background:none;padding:8px 14px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}.subtabs button.on{color:var(--text);font-weight:600;border-bottom-color:var(--brand-blue)}.split{display:grid;grid-template-columns:340px 1fr;gap:14px;align-items:start}.list-pane{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px;position:sticky;top:64px;max-height:calc(100vh - 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