:root{--blue:#1773d4;--blue-light:#e7f3ff;--bg:#f5faff;--card:#ffffff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--red:#dc2626;--green:#059669;--amber:#d97706}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:inherit;text-decoration:none}.shell{display:flex;min-height:100vh}.sidebar{width:220px;background:#fff;border-right:1px solid var(--border);padding:20px 12px;flex-shrink:0}.logo{gap:8px;padding:4px 10px 20px}.logo,.logo-mark{display:flex;align-items:center}.logo-mark{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#4fa7ff,#1773d4);justify-content:center;color:#fff}.logo-mark,.logo-name{font-weight:700;font-size:14px}.logo-name{letter-spacing:.5px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--muted);margin-bottom:2px;cursor:pointer;font-weight:500}.nav-item.active,.nav-item:hover{background:var(--blue-light);color:var(--blue)}.nav-item.active{font-weight:700}.main{flex:1 1;padding:28px 32px;max-width:1100px}.page-title{font-size:20px;font-weight:700;margin-bottom:4px}.page-sub{color:var(--muted)}.cards,.page-sub{margin-bottom:24px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:14px;gap:14px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}.card .label{color:var(--muted);font-size:12px;margin-bottom:6px}.card .value{font-size:28px;font-weight:700}.card .value.warn{color:var(--amber)}.card .value.bad{color:var(--red)}.card .value.good{color:var(--green)}.table-wrap{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:12px;color:var(--muted);font-weight:600;background:#fafbfc;border-bottom:1px solid var(--border)}td,th{padding:10px 14px;white-space:nowrap}td{border-bottom:1px solid #f1f5f9}tr:last-child td{border-bottom:none}tr:hover td{background:#fafcff}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.office{background:var(--blue-light);color:var(--blue)}.badge.remote{background:#ede9fe;color:#7c3aed}.badge.warn{background:#fef3c7;color:var(--amber)}.badge.ok{background:#d1fae5;color:var(--green)}.badge.pending{background:#fef3c7;color:var(--amber)}.btn{border:none;border-radius:8px;padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-danger{background:#fff;color:var(--red);border:1px solid var(--red)}.btn:disabled{opacity:.5;cursor:default}.btn+.btn{margin-left:8px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#e7f3ff,#f5faff)}.login-card{background:#fff;border-radius:20px;padding:36px;width:380px;box-shadow:0 10px 40px rgba(23,115,212,.12)}.login-card h1{font-size:18px;text-align:center;margin:12px 0 24px}.field{margin-bottom:14px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.field input,.field select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;font-size:14px}.field input:focus{outline:2px solid var(--blue-light);border-color:var(--blue)}.error-msg{color:var(--red);font-size:13px;margin:8px 0}.month-nav{display:flex;align-items:center;gap:12px;margin-bottom:16px}.month-nav .month{font-size:16px;font-weight:700;min-width:90px;text-align:center}.section-title{font-size:15px;font-weight:700;margin:22px 0 10px}.empty{padding:28px;text-align:center}.empty,.muted{color:var(--muted)}