:root{--navy:#1b3a5c;--navy-2:#274c74;--amber:#ffb400;--bg:#f5f7fa;--card:#fff;--line:#e3e8ef;--text:#1f2933;--muted:#6b7684;--danger:#d64545;--ok:#2e9e5b;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;font-size:15px;line-height:1.6}a{color:var(--navy);text-decoration:none}.topbar{background:var(--navy);color:#fff;display:flex;align-items:center;gap:4px;padding:0 20px;height:56px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;margin-right:20px;letter-spacing:.5px}.topbar .brand span{color:var(--amber)}.topbar nav{display:flex;gap:2px;flex:1 1}.topbar nav a{color:#cdd8e6;padding:8px 12px;border-radius:8px;font-size:14px}.topbar nav a.active,.topbar nav a:hover{background:var(--navy-2);color:#fff}.topbar .user,.topbar button.logout{color:#cdd8e6;font-size:13px}.topbar button.logout{background:transparent;border:1px solid #3d5a7c;padding:6px 12px;border-radius:8px;cursor:pointer;margin-left:10px}.topbar button.logout:hover{background:var(--navy-2);color:#fff}.container{max-width:1120px;margin:0 auto;padding:28px 20px 60px}.page-title{font-size:22px;font-weight:700;margin:0 0 4px}.page-sub{color:var(--muted);margin:0 0 22px;font-size:14px}.grid{display:grid;grid-gap:16px;gap:16px}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}@media (max-width:800px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}.stat .label{color:var(--muted);font-size:13px;margin-bottom:6px}.stat .value{font-size:30px;font-weight:700;color:var(--navy)}.stat.alert .value{color:var(--danger)}.stat .sub{color:var(--muted);font-size:12px;margin-top:4px}table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}td,th{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}th{background:#eef2f7;color:var(--muted);font-weight:600;font-size:12px;letter-spacing:.3px}tr:last-child td{border-bottom:none}tbody tr:hover{background:#f9fbfd}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge.gray{background:#eceff3;color:#5b6673}.badge.green{background:#e3f4ea;color:var(--ok)}.badge.amber{background:#fff3d6;color:#a06b00}.badge.red{background:#fbe4e4;color:var(--danger)}.badge.navy{background:#e5edf5;color:var(--navy)}.btn{background:var(--navy);color:#fff;border:none;padding:9px 16px;border-radius:9px;cursor:pointer;font-size:14px;font-weight:600}.btn:hover{background:var(--navy-2)}.btn.amber{background:var(--amber);color:#3a2c00}.btn.ghost{background:transparent;color:var(--navy);border:1px solid var(--line)}.btn.sm{padding:5px 11px;font-size:13px}.btn:disabled{opacity:.5;cursor:default}input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid #cfe0f2;border-color:var(--navy-2)}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px}.row{display:flex;gap:10px;align-items:center}.row>*{flex:1 1}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.toolbar .search{max-width:340px}.spacer{flex:1 1}.err{color:var(--danger);font-size:13px;margin-top:8px}.empty,.muted{color:var(--muted)}.empty{text-align:center;padding:40px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--navy)}.login-card{background:#fff;border-radius:16px;padding:32px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.25)}.login-card h1{margin:0 0 4px;font-size:22px}.login-card h1 span{color:var(--amber)}.login-card p{color:var(--muted);margin:0 0 20px;font-size:13px}.modal-bg{position:fixed;inset:0;background:rgba(20,30,45,.5);display:flex;align-items:flex-start;justify-content:center;padding-top:60px;z-index:50}.modal{background:#fff;border-radius:14px;padding:24px;width:560px;max-width:92vw;max-height:85vh;overflow:auto}.modal h2{margin:0 0 16px;font-size:18px}