:root{ --blue:#2563eb; --blue-d:#1e3a8a; --line:#e2e8f0; --bg:#f8fafc; --ink:#1e293b; }
*{box-sizing:border-box} body{margin:0;font-family:"Yu Gothic","Meiryo",sans-serif;background:var(--bg);color:var(--ink)}
header{background:var(--blue-d);color:#fff;padding:10px 16px;display:flex;align-items:center;gap:16px}
header h1{font-size:16px;margin:0}
nav button{background:transparent;border:none;color:#cbd5e1;padding:8px 12px;cursor:pointer;font-size:14px;border-bottom:3px solid transparent}
nav button.active{color:#fff;border-bottom-color:#fff}
main{padding:16px;max-width:1100px;margin:0 auto}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px;margin-bottom:12px}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{border:1px solid #cbd5e1;padding:6px 8px;text-align:left}
th{background:#eff6ff}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px}
.badge.shiire{background:#fef9c3;color:#854d0e}
.badge.seiyaku{background:#dcfce7;color:#166534}
.badge.cancel{background:#fee2e2;color:#991b1b}
.btn{background:var(--blue);color:#fff;border:none;border-radius:6px;padding:8px 14px;cursor:pointer;font-size:14px}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.btn.danger{background:#dc2626}
label{display:block;font-size:12px;color:#475569;margin:8px 0 2px}
input,select,textarea{width:100%;padding:7px;border:1px solid #cbd5e1;border-radius:6px;font-size:14px}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>div{flex:1;min-width:160px}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:#fff;border-radius:10px;padding:18px;max-width:560px;width:100%;max-height:90vh;overflow:auto}
.kpi{font-size:22px;font-weight:700}.muted{color:#64748b;font-size:12px}
.neg{color:#dc2626}