:root{--bg:#f7f8fa;--card:#fff;--border:#e2e5ea;--text:#1c2430;--text-muted:#6b7280;--accent:#2f5496;--accent-soft:#eaf0fb;--danger:#c0392b;--ok:#1f8a4c;--warn:#b8860b}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Segoe UI,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;font-size:14px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.nav{background:var(--card);border-bottom:1px solid var(--border);align-items:center;gap:24px;padding:14px 24px;display:flex}.nav strong{color:var(--accent);font-size:16px}.nav a{color:var(--text);font-weight:500}.nav a.active{color:var(--accent)}.container{max-width:1200px;margin:0 auto;padding:24px}h1{margin:0 0 16px;font-size:20px}h2{margin:24px 0 10px;font-size:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:8px;margin-bottom:20px;padding:20px}table{border-collapse:collapse;width:100%}th,td{border:1px solid var(--border);text-align:center;padding:6px 8px;font-size:13px}th{background:#f0f2f5;font-weight:600}td.name-cell,th.name-cell{text-align:left;white-space:nowrap;font-weight:600}.grid-scroll{border:1px solid var(--border);border-radius:6px;overflow-x:auto}.grid-scroll table{width:max-content;min-width:100%}.shift-grid table{table-layout:fixed;width:100%}.shift-grid th,.shift-grid td{padding:3px 1px;font-size:11px;overflow:hidden}.shift-grid th.name-cell,.shift-grid td.name-cell{white-space:normal;width:80px}.shift-grid th.total-cell,.shift-grid td.total-cell{width:38px}.btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:14px;font-weight:500;display:inline-block}.btn:hover{background:#24406f;text-decoration:none}.btn.secondary{color:var(--accent);border:1px solid var(--accent);background:#fff}.btn.danger{color:var(--danger);border:1px solid var(--danger);background:#fff}.btn-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.btn-row .btn{white-space:nowrap;padding:6px 10px;font-size:12px}.form-row{flex-wrap:wrap;align-items:flex-end;gap:16px;margin-bottom:12px;display:flex}.field{flex-direction:column;gap:4px;display:flex}.field label{color:var(--text-muted);font-size:12px}.field input,.field select{border:1px solid var(--border);border-radius:4px;padding:6px 8px;font-size:14px}.tag{border-radius:10px;margin:2px;padding:2px 8px;font-size:12px;display:inline-block}.tag.night{color:var(--danger);background:#fde8e8}.tag.day{background:var(--accent-soft);color:var(--accent)}.checkbox-list{flex-wrap:wrap;gap:10px;display:flex}.checkbox-list label{align-items:center;gap:6px;font-size:13px;display:flex}.notice{border-radius:6px;margin-bottom:10px;padding:10px 14px;font-size:13px}.notice.warn{color:#7a5b00;background:#fff7e6;border:1px solid #f0d78c}.notice.ok{color:var(--ok);background:#eafaf0;border:1px solid #b6e6c8}.notice.danger{color:var(--danger);background:#fdeeee;border:1px solid #f0b8b3}.pill-sun{color:var(--danger)}.pill-sat{color:#25a}ul.log-list{color:var(--text-muted);margin:4px 0;padding-left:20px;font-size:13px}.modal-backdrop{z-index:1000;background:#00000073;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-box{background:var(--card);border-radius:8px;min-width:280px;padding:24px 28px;box-shadow:0 8px 30px #00000040}.modal-box p{margin:0 0 18px;font-size:15px}.modal-actions{justify-content:flex-end;gap:10px;display:flex}.leave-cell{cursor:pointer;-webkit-user-select:none;user-select:none;min-width:32px;height:30px;font-weight:700}.leave-cell:hover{background:var(--accent-soft)}.leave-cell[data-state=off]{color:var(--danger)}.leave-cell[data-state=paid]{background:#fff7e6}.leave-paid-label{color:var(--warn);white-space:nowrap;font-size:10px;font-weight:500}.weekday-conflict{color:var(--danger);font-weight:700}.weekday-conflict-msg{color:var(--danger);margin-top:4px;font-size:11px}.weekday-group{flex-direction:row;align-items:center;gap:3px;width:fit-content;display:flex}.weekday-group label{color:var(--text-muted);flex-direction:column;align-items:center;gap:1px;font-size:10px;display:flex}.weekday-group input[type=checkbox]{cursor:pointer;margin:0}.weekday-group-tinted{background:#fde8ef;border-radius:6px;padding:4px 6px}.locked-cell{background:var(--accent-soft);box-shadow:inset 0 0 0 2px var(--accent)}.unit-switcher{background:var(--card);border:1px solid var(--border);border-radius:8px;align-items:center;gap:8px;margin-bottom:16px;padding:10px 14px;display:flex}.unit-switcher select{border:1px solid var(--border);border-radius:4px;padding:5px 8px;font-size:14px;font-weight:600}.staff-table th{white-space:nowrap;padding:6px;line-height:1.4}