:root{--navy:#102044;--blue:#204579;--pink:#e5919a;--bg:#f5f7fb;--card:#fff;--line:#dbe3ef;--text:#172033;--muted:#667085;--ok:#157347;--warn:#b7791f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 28px;background:linear-gradient(135deg,var(--navy),var(--blue));color:white;position:sticky;top:0;z-index:5;box-shadow:0 10px 24px rgba(16,32,68,.18)}.brand{font-weight:800;font-size:24px;letter-spacing:.08em}.subtitle{font-size:13px;opacity:.9}.nav{display:flex;gap:8px;flex-wrap:wrap}.nav a{color:white;text-decoration:none;padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.12)}.nav a:hover{background:rgba(255,255,255,.22)}.container{max-width:1180px;margin:0 auto;padding:26px}.page-head{margin:6px 0 22px}.page-head h1{margin:0 0 6px;font-size:28px}.page-head p,.muted{color:var(--muted);margin:0}.card,.login-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 16px 36px rgba(16,32,68,.08);margin-bottom:20px}.login-card{max-width:460px;margin:52px auto}.soft{background:linear-gradient(180deg,#fff,#fff7f8)}.grid{display:grid;gap:20px}.grid.two{grid-template-columns:1.2fr .8fr}.form{display:grid;gap:14px}.form label,.filters label{display:grid;gap:6px;font-size:13px;font-weight:700;color:#344054}.row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}input,select,textarea{width:100%;border:1px solid #cfd8e6;border-radius:12px;padding:11px 12px;font:inherit;background:white}textarea{resize:vertical}.btn{border:1px solid #cfd8e6;border-radius:12px;padding:10px 14px;background:white;color:var(--navy);text-decoration:none;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.btn.primary{background:linear-gradient(135deg,var(--blue),var(--navy));color:white;border-color:transparent}.btn.ghost{background:#f8fafc}.btn.small{padding:6px 10px;font-size:12px}.filters{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-bottom:16px}.table{width:100%;border-collapse:collapse;background:white}.table th,.table td{border-bottom:1px solid var(--line);padding:10px;vertical-align:top;text-align:left}.table th{background:#f1f5fb;color:#344054;font-size:12px}.table.wide{min-width:980px}.pill{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:800;background:#edf2f7;color:#344054}.pill.confirmed{background:#dcfce7;color:#166534}.pill.draft{background:#fff7ed;color:#9a3412}.alert{padding:12px 14px;border-radius:14px;margin-bottom:16px;font-weight:700}.alert.success{background:#e7f8ee;color:#146c43}.alert.error{background:#fff1f2;color:#b42318}.hint{font-size:12px;color:var(--muted);margin-top:14px}.calc-box{padding:12px 14px;border-radius:14px;background:#f1f5fb;border:1px dashed #bcc9db}.tips{line-height:1.9;padding-left:20px}.money{font-weight:900;color:var(--blue)}.formula{margin-top:16px;padding:14px;border-radius:14px;background:#fff7ed;color:#9a3412;font-weight:800}.footer{text-align:center;color:var(--muted);font-size:12px;padding:26px}@media(max-width:780px){.topbar{align-items:flex-start;gap:12px;flex-direction:column}.container{padding:18px}.grid.two,.row{grid-template-columns:1fr}.table{display:block;overflow-x:auto}.nav a{font-size:13px}}

/* Excel-like wage ledger */
.table-scroll{overflow-x:auto; width:100%;}
.wage-matrix{min-width:1280px; border-collapse:collapse;}
.wage-matrix th,.wage-matrix td{white-space:nowrap; vertical-align:middle;}
.wage-matrix input{width:92px; padding:7px 8px; text-align:right;}
.wage-matrix .sticky-col{position:sticky; left:0; background:#fff; z-index:2; min-width:150px;}
.wage-matrix thead .sticky-col{z-index:3;}
.wage-matrix .section-row td{background:#eef2ff; font-weight:700; color:#1e3a8a; text-align:left;}
.wage-matrix .derived-row{background:#fafafa; font-weight:600;}
.wage-matrix .derived-row .sticky-col{background:#fafafa;}
.wage-matrix .row-total{font-weight:700; text-align:right; background:#fff7ed;}
.compact-grid label{margin-bottom:10px;}
.grid.three{grid-template-columns:repeat(3,1fr)}
.required{color:#b42318}
@media(max-width:780px){.grid.three{grid-template-columns:1fr}}