:root{color:#17212b;font-synthesis:none;--navy:#17324d;--blue:#28638f;--green:#28735a;--line:#d8e0e5;--muted:#66737f;--surface:#fff;--danger:#a63232;background:#f5f7f8;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}.center-page{place-items:center;min-height:100vh;padding:24px;display:grid}.auth-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;width:min(480px,100%);padding:32px;box-shadow:0 16px 48px #17324d17}.auth-card h1{margin:0 0 8px;font-size:1.7rem}.auth-card p{color:var(--muted);line-height:1.7}.brand-mark{background:var(--green);border-radius:10px;width:42px;height:5px;margin-bottom:22px}.shell{grid-template-columns:230px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--navy);color:#fff;flex-direction:column;gap:22px;padding:24px 16px;display:flex}.sidebar h1{margin:0;font-size:1.25rem}.sidebar small{color:#c7d6e3}.nav{gap:6px;display:grid}.nav button{color:#dbe7f0;text-align:left;background:0 0;border:0;border-radius:8px;padding:11px 12px}.nav button:hover,.nav button.active{color:#fff;background:#284964}.sidebar-footer{gap:8px;margin-top:auto;display:grid}.sidebar-footer button{color:#dbe7f0;background:0 0;border:1px solid #58748a;border-radius:8px;padding:8px}.main{padding:30px clamp(20px,4vw,52px);overflow:auto}.page-header{justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;display:flex}.page-header h2{margin:0;font-size:1.65rem}.page-header p{color:var(--muted);margin:5px 0 0}.button{border:1px solid var(--blue);background:var(--blue);color:#fff;border-radius:8px;padding:9px 14px;font-weight:600}.button:hover{filter:brightness(.94)}.button.secondary{color:var(--blue);background:#fff}.button.ghost{color:var(--blue);background:0 0;border-color:#0000}.button.danger{background:var(--danger);border-color:var(--danger)}.button:disabled{opacity:.55;cursor:wait}.cards{grid-template-columns:repeat(4,minmax(150px,1fr));gap:14px;margin-bottom:24px;display:grid}.metric{border:1px solid var(--line);background:#fff;border-radius:12px;padding:18px}.metric dt{color:var(--muted);font-size:.88rem}.metric dd{color:var(--navy);margin:8px 0 0;font-size:1.8rem;font-weight:700}.panel{border:1px solid var(--line);background:#fff;border-radius:12px;overflow:hidden}.panel-title{border-bottom:1px solid var(--line);padding:16px 18px;font-weight:700}.toolbar{flex-wrap:wrap;gap:10px;margin-bottom:14px;display:flex}.toolbar input,.toolbar select{background:#fff;border:1px solid #bcc9d2;border-radius:8px;min-width:180px;padding:9px 11px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:760px}th{color:#324a5e;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;background:#edf3f6;padding:10px 12px;font-size:.82rem}td{vertical-align:top;border-bottom:1px solid #edf0f2;padding:11px 12px}tr:last-child td{border-bottom:0}.muted{color:var(--muted)}.tag{color:#365873;white-space:nowrap;background:#e8f0f5;border-radius:999px;padding:3px 8px;font-size:.8rem;display:inline-block}.tag.a{color:#76560d;background:#fff1cf}.tag.done{color:#215c47;background:#def2e9}.empty{color:var(--muted);text-align:center;padding:34px}form{gap:14px;display:grid}label{color:#334657;gap:6px;font-weight:600;display:grid}label span{font-size:.85rem}input,select,textarea{color:#17212b;background:#fff;border:1px solid #b9c6cf;border-radius:8px;width:100%;padding:10px 11px}textarea{resize:vertical;min-height:110px}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-actions{justify-content:flex-end;gap:10px;margin-top:8px;display:flex}dialog{border:0;border-radius:14px;width:min(720px,100% - 32px);padding:0;box-shadow:0 22px 80px #00000040}dialog::backdrop{background:#13212d8c}.dialog-head{padding:20px 22px 12px;font-size:1.2rem;font-weight:700}.dialog-body{max-height:78vh;padding:10px 22px 22px;overflow:auto}.notice{border-left:4px solid var(--blue);color:#304b60;background:#eef5fa;border-radius:5px;padding:12px 14px;line-height:1.65}.warning{color:#5f481c;background:#fff8e8;border-left-color:#b17a14}.error{color:var(--danger);min-height:1.4em}.success{color:var(--green)}@media (width<=860px){.shell{grid-template-columns:1fr}.sidebar{z-index:5;gap:10px;padding:13px 16px;position:sticky;top:0}.sidebar>div:first-child small{display:none}.nav{display:flex;overflow-x:auto}.nav button{white-space:nowrap}.sidebar-footer{display:none}.main{padding:22px 14px}.cards{grid-template-columns:1fr 1fr}.page-header{align-items:flex-start}.form-grid{grid-template-columns:1fr}}@media (width<=480px){.cards{grid-template-columns:1fr}.page-header{display:grid}}