.fc-tool{--blue:#3f62a7;--yellow:#ffda3a;--ink:#202c41;--muted:#526077;--line:#dbe2ed;max-width:1120px;color:var(--ink);overflow-wrap:anywhere;background:#fff;margin:0 auto;padding:32px 24px;font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;line-height:1.8}.fc-tool *,.fc-tool :before,.fc-tool :after{box-sizing:border-box}.fc-tool [hidden]{display:none!important}.fc-tool .intro{border-top:6px solid var(--blue);max-width:800px;padding:16px 0 32px}.fc-tool .eyebrow{letter-spacing:.12em;margin:28px 0 6px;font-size:.8rem;font-weight:700}.fc-tool h1{margin:0 0 20px;font-size:clamp(1.7rem,4vw,2.65rem);line-height:1.4}.fc-tool h2{margin:0 0 16px;font-size:1.15rem;line-height:1.6}.fc-tool h3{margin:24px 0 12px;font-size:1rem}.fc-tool p{margin:0 0 14px}.fc-tool .privacy{border-left:4px solid var(--blue);background:#f0f4fb;padding:12px 16px;font-size:.9rem;font-weight:650}.fc-tool .small,.fc-tool .hint{color:var(--muted);font-size:.8rem}.fc-tool .hint{margin:5px 0 0}.fc-tool .calculator{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;gap:24px;display:grid}.fc-tool .panel{border:1px solid var(--line);border-radius:12px;min-width:0;margin-bottom:24px;padding:24px}.fc-tool .result-panel{background:#f7f9fc}.fc-tool .step{color:var(--blue);margin-right:8px;font-size:.85rem}.fc-tool fieldset{border:0;min-width:0;margin:0;padding:0}.fc-tool legend{margin-bottom:12px;font-weight:700}.fc-tool .field{margin:0 0 20px}.fc-tool label{margin-bottom:6px;font-weight:700;display:block}.fc-tool label span{color:var(--muted);font-size:.8rem;font-weight:400}.fc-tool input,.fc-tool select{width:100%;min-width:0;min-height:48px;color:var(--ink);font:inherit;background:#fff;border:1px solid #8492a9;border-radius:6px;padding:10px 12px;font-size:1rem;display:block}.fc-tool input{text-align:right;font-variant-numeric:tabular-nums}.fc-tool .input-with-unit{align-items:center;gap:10px;display:flex}.fc-tool .input-with-unit input{flex:1;min-width:0}.fc-tool .input-unit{min-width:2em;color:var(--muted);white-space:nowrap;flex:none}.fc-tool button{cursor:pointer;border:1px solid var(--blue);max-width:100%;min-height:44px;font:inherit;color:var(--blue);background:#fff;border-radius:6px;padding:10px 14px;font-size:.85rem}.fc-tool .primary{background:var(--yellow);width:100%;color:var(--ink);border-color:var(--yellow);font-size:1rem;font-weight:750}.fc-tool .secondary-actions{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}.fc-tool :focus-visible{outline-offset:3px;outline:3px solid #8b4300}.fc-tool [aria-invalid=true]{border:2px solid #a3212b}.fc-tool .error{color:#a3212b;margin:4px 0 0;font-size:.85rem}.fc-tool .error:empty{display:none}.fc-tool .error-summary{background:#fff6f5;border:2px solid #a3212b;margin-bottom:18px;padding:14px}.fc-tool .error-link{color:#8d1420;text-align:left;background:0 0;border:0;padding:4px 0;text-decoration:underline}.fc-tool .conditions{border-bottom:1px solid var(--line);padding-bottom:14px;font-size:.85rem}.fc-tool .purpose{font-weight:650}.fc-tool .optional-group{border-top:1px solid var(--line);margin-top:4px;padding-top:18px}.fc-tool .card{border:1px solid var(--line);background:#fff;border-radius:10px;margin:0 0 16px;padding:18px}.fc-tool .card h3{margin:0 0 6px}.fc-tool .card .value{color:var(--blue);font-variant-numeric:tabular-nums;margin:0 0 4px;font-size:1.45rem;font-weight:750}.fc-tool .card .formula{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:10px;font-size:.8rem}.fc-tool .card .conditions{border-bottom:0;padding-bottom:0}.fc-tool .notice{border-left:4px solid var(--yellow);background:#fff9df;padding:12px 14px;font-size:.85rem}.fc-tool a{color:#294e94;text-underline-offset:3px}.fc-tool li{margin-bottom:8px}.fc-tool ul{padding-left:1.4rem}@media (width<=767px){.fc-tool{padding:25px 20px 45px}.fc-tool .calculator{grid-template-columns:minmax(0,1fr);gap:0}.fc-tool .panel{margin-bottom:16px;padding:18px 14px}.fc-tool .intro{padding-bottom:20px}.fc-tool .card{padding:14px 12px}}