:root{--bg:#f5f6f8;--panel:#fff;--border:#e2e5ea;--text:#1d2330;--muted:#6b7280;--primary:#2563eb;--primary-d:#1d4ed8;--danger:#dc2626;--ok:#16a34a;--radius:8px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;font-size:14px;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:20px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}.shell{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);padding:16px 12px;position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}.nav-footer{margin-top:auto;padding-top:16px}.main{flex:1 1;padding:28px 32px;max-width:1100px;width:100%}.brand{font-weight:700;font-size:15px;padding:4px 8px 16px}.brand small{display:block;font-weight:400;color:var(--muted);font-size:11px}.nav-group{margin-top:14px}.nav-group-title{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding:4px 8px;font-weight:600}.nav-item{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:6px;color:var(--text);cursor:pointer;font-size:13px}.nav-item:hover{background:#eef1f6;text-decoration:none}.nav-item.active{background:#e7eeff;color:var(--primary-d);font-weight:600}.nav-item.disabled{color:#b6bcc7;cursor:not-allowed}.nav-item.disabled:hover{background:transparent}.badge{margin-left:auto;font-size:10px;padding:1px 6px;border-radius:999px;background:#eef1f6;color:var(--muted);font-weight:600}.badge.soon{background:#fff4e5;color:#b45309}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.row{gap:12px;flex-wrap:wrap}.row,.spread{display:flex;align-items:center}.spread{justify-content:space-between}table{width:100%;border-collapse:collapse;font-size:13px}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:12px}tbody tr:hover{background:#fafbfc}label{display:block;font-size:12px;color:var(--muted);margin:8px 0 3px}input,select{width:100%;padding:7px 9px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:#fff;color:var(--text)}input:focus,select:focus{outline:2px solid #c7d7fe;border-color:var(--primary)}button{padding:7px 14px;border:1px solid var(--primary);background:var(--primary);color:#fff;border-radius:6px;cursor:pointer;font-size:13px;font-weight:600}button:hover{background:var(--primary-d)}button.ghost{background:#fff;color:var(--text);border-color:var(--border)}button.ghost:hover{background:#f3f4f6}button.danger{background:var(--danger);border-color:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}.pill{font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}.pill.admin{background:#ede9fe;color:#6d28d9}.pill.manager{background:#dbeafe;color:#1d4ed8}.pill.user{background:#f1f5f9;color:#475569}.pill.on{background:#dcfce7;color:#15803d}.pill.off{background:#f1f5f9;color:#64748b}.muted{color:var(--muted)}.error{color:var(--danger);font-size:13px}.notice{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:12px 14px;border-radius:6px;font-size:13px}.linkbtn{display:inline-block;padding:7px 14px;border:1px solid var(--primary);background:var(--primary);color:#fff;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer}.linkbtn:hover{background:var(--primary-d);text-decoration:none}.linkbtn.ghost{background:#fff;color:var(--text);border-color:var(--border)}.linkbtn.ghost:hover{background:#f3f4f6}.back{font-size:13px;color:var(--muted);margin-bottom:8px;display:inline-block}.field{margin-bottom:4px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:0 18px;gap:0 18px}.form-grid .full{grid-column:1/-1}.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:16px}.login-card{width:360px;max-width:100%}@media (max-width:860px){.shell{flex-direction:column}.sidebar{width:auto;height:auto;position:static;border-right:none;border-bottom:1px solid var(--border)}.nav-footer{margin-top:16px}.main{padding:20px 16px}.form-grid{grid-template-columns:1fr}}