:root{--ink:#172033;--muted:#667085;--line:#e4e7ec;--bg:#f6f7f9;--nav:#101828;--brand:#2563eb;--danger:#b42318}*{box-sizing:border-box}body{margin:0;font-family:"Yu Gothic UI","Noto Sans JP",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}a{color:#175cd3;text-decoration:none}a:hover{text-decoration:underline}.topbar{height:60px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:2}.brand{font-weight:800;color:var(--ink)}.topbar-actions{display:flex;gap:18px;align-items:center;font-size:14px}.tenant{background:#eff4ff;padding:4px 10px;border-radius:999px}.topbar form{margin:0}.link-button{border:0;background:none;color:#175cd3;cursor:pointer}.shell{display:flex;min-height:calc(100vh - 60px)}.sidebar{width:230px;background:var(--nav);padding:22px 14px;display:flex;flex-direction:column;gap:5px}.sidebar a,.sidebar span{color:#d0d5dd;padding:10px 12px;border-radius:7px}.sidebar a.active,.sidebar a:hover{background:#344054;color:#fff;text-decoration:none}.sidebar .disabled{opacity:.55}.sidebar small{display:block;font-size:10px}.content{flex:1;padding:30px;max-width:1500px}.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-head h1,h1{margin:0;font-size:26px}.muted{color:var(--muted);margin:5px 0}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:14px}.panel,.table-wrap,.auth-card{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 1px 2px #1018280d}.panel{padding:22px;margin-top:24px}.panel h2{margin-top:0;font-size:18px}.metric-grid{display:grid;grid-template-columns:repeat(6,minmax(130px,1fr));gap:12px}.metric{background:#fff;border:1px solid var(--line);border-radius:9px;padding:17px}.metric span{display:block;color:var(--muted);font-size:13px}.metric strong{font-size:30px;margin-right:4px}.metric small{color:var(--muted)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}th{font-size:12px;color:var(--muted);background:#f9fafb}.actions{display:flex;gap:12px}.badge{padding:3px 9px;background:#ecfdf3;color:#067647;border-radius:999px;font-size:12px}.button,button{display:inline-block;border:1px solid #d0d5dd;border-radius:7px;background:#fff;color:var(--ink);padding:8px 14px;font:inherit;cursor:pointer}.primary{background:var(--brand);border-color:var(--brand);color:#fff}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(240px,1fr));gap:20px;max-width:900px}.stack{display:flex;flex-direction:column;gap:16px}.form-grid label,.stack label{font-weight:700;font-size:14px}.form-grid input,.form-grid select,.stack input,.inline-form select{display:block;width:100%;margin-top:6px;border:1px solid #d0d5dd;border-radius:7px;padding:10px;background:#fff;font:inherit}.check{display:flex!important;gap:8px;align-items:center}.check input{width:auto;margin:0}.form-grid small{display:block;color:var(--muted);font-weight:400}.span-2{grid-column:span 2}.form-actions{grid-column:1/-1;display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--line);padding-top:18px}.inline-form{display:flex;gap:8px}.inline-form select{width:auto;margin:0;padding:6px}.auth-card{max-width:430px;margin:50px auto;padding:30px}.alert{padding:12px 15px;border-radius:8px;margin-bottom:18px}.alert.success{background:#ecfdf3;color:#067647}.alert.error{background:#fef3f2;color:var(--danger)}.alert ul{margin:5px 0}.empty-state{text-align:center;color:var(--muted);padding:35px}@media(max-width:900px){.metric-grid{grid-template-columns:repeat(2,1fr)}.sidebar{width:180px}.content{padding:20px}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}}@media(max-width:600px){.sidebar{display:none}.topbar{padding:0 14px}.tenant{display:none}.content{padding:14px}.page-head{align-items:flex-start;gap:12px}.metric-grid{grid-template-columns:1fr 1fr}}