:root{font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;color:#173b3a;background:#eef6f4;line-height:1.6}*{box-sizing:border-box}body{margin:0}.topbar{background:#0f766e;color:#fff;padding:20px max(20px,calc((100% - 980px)/2));display:flex;justify-content:space-between;align-items:center}.topbar h1{font-size:clamp(20px,4vw,30px);margin:0}.eyebrow{font-size:12px;letter-spacing:.12em;margin:0 0 2px;opacity:.75}.ghost{background:transparent;color:inherit;border:1px solid #ffffff66;border-radius:9px;padding:9px 13px;font-size:15px;cursor:pointer}main{max-width:980px;margin:28px auto;padding:0 16px}.card{background:#fff;border:1px solid #d5e7e3;border-radius:18px;padding:24px;margin:16px 0;box-shadow:0 5px 20px #144e4420}.intro{border-left:6px solid #f59e0b}.intro h2{margin:0}.section-title{display:flex;gap:12px;align-items:center}.section-title span{background:#ccfbf1;color:#0f766e;border-radius:50%;width:34px;height:34px;display:grid;place-items:center;font-weight:700}.section-title h2{margin:0;font-size:20px}.grid{display:grid;gap:16px}.two{grid-template-columns:repeat(2,minmax(0,1fr))}label{font-weight:650;color:#24504d}input,select{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid #b9d2cd;border-radius:9px;font:inherit;background:#fff;color:#173b3a}.hint,.muted{color:#5f7773;font-size:14px}.insurance-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-top:15px}.insurance{border:2px solid #d7e8e4;border-radius:14px;padding:16px;cursor:pointer;background:#fbfefd;transition:.2s}.insurance.selected{border-color:#0f766e;background:#e7f8f3}.insurance .badge{height:45px;border-radius:8px;margin-bottom:10px;display:grid;place-items:center;font-weight:800;font-size:13px}.health{background:#dbeafe;color:#1e40af}.care{background:#fef3c7;color:#92400e}.disability{background:#fce7f3;color:#9d174d}.primary,.secondary{border:0;border-radius:10px;padding:13px 18px;font:inherit;font-weight:700;cursor:pointer}.primary{background:#0f766e;color:#fff}.secondary{background:#dbeae7;color:#14504b}.full{width:100%;margin-top:10px}.result{border-top:6px solid #0f766e}.result-head{display:flex;justify-content:space-between;gap:16px;align-items:end}.result-head h2{margin:0;font-size:clamp(20px,4vw,28px)}#monthlyTotal{font-size:28px;color:#0f766e;white-space:nowrap}.fee-row{display:flex;justify-content:space-between;border-bottom:1px solid #e1ecea;padding:13px 0;gap:12px}.fee-row small{display:block;color:#718783}.notice{background:#fff8e7;border-radius:10px;padding:12px;color:#765b20;font-size:13px}.actions{display:flex;gap:10px;margin-top:18px}.actions button{flex:1}.hidden{display:none!important}dialog{border:0;border-radius:18px;width:min(560px,calc(100% - 28px));padding:24px;box-shadow:0 20px 60px #0004}dialog::backdrop{background:#103d3988}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head h2{margin:0}@media(max-width:620px){.two{grid-template-columns:1fr}.topbar{padding:16px}.topbar .ghost{font-size:0}.topbar .ghost:first-letter{font-size:20px}.result-head{display:block}.actions{flex-direction:column}}