:root{color:#132238;font-synthesis:none;text-rendering:optimizelegibility;--ink:#132238;--green:#1b4d3e;--paper:#fffefa;--cream:#f7f5f0;--line:#d7d1c5;--muted:#687272;--orange:#9b5c2e;--purple:#654f7c;--danger:#913c34;background:#f7f5f0;font-family:Noto Sans SC,Noto Sans JP,PingFang SC,Hiragino Sans,Yu Gothic,sans-serif}*{box-sizing:border-box}html{scroll-behavior:auto}body{background:var(--cream);min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}button{cursor:pointer}a{color:var(--green);text-underline-offset:3px}:focus-visible{outline-offset:3px;outline:3px solid #c8873e}.site-header{background:#f7f5f0f5;border-bottom:1px solid #13223829;justify-content:space-between;align-items:center;height:76px;padding:0 clamp(18px,4vw,64px);display:flex}.brand img{width:205px;height:auto;display:block}.language,.secondary,.export-actions button{border:1px solid var(--ink);color:var(--ink);background:0 0;border-radius:999px;padding:10px 18px;font-weight:750}.language:hover,.secondary:hover,.export-actions button:hover{background:#1322380f}main{overflow:hidden}.intro{color:#fbfaf6;background:var(--ink);grid-template-columns:minmax(0,850px) 1fr;align-items:center;gap:48px;min-height:230px;padding:clamp(44px,5vw,64px) clamp(20px,6vw,96px);display:grid}.intro h1{letter-spacing:-.035em;max-width:850px;margin:0;font-family:"Source Serif 4",Noto Serif SC,Noto Serif JP,Georgia,serif;font-size:clamp(38px,5vw,72px);font-weight:650;line-height:1.05}.intro__rule{justify-content:flex-end;gap:10px;display:flex}.intro__rule i{border:1px solid #fff6;width:8px;height:92px;display:block}.intro__rule i:nth-child(2){background:#ffffff0f;height:64px;margin-top:28px}.intro__rule i:nth-child(3){background:#ffffff1f;height:38px;margin-top:54px}.workspace,.inputs,.results{width:min(1320px,100% - 40px);margin:0 auto;padding:clamp(62px,7vw,96px) 0}.workspace{border-bottom:1px solid var(--line)}.section-heading,.results__header,.result-section__title{flex-wrap:wrap;align-items:baseline;gap:12px 18px;display:flex}h2,h3{font-family:"Source Serif 4",Noto Serif SC,Noto Serif JP,Georgia,serif}h2{letter-spacing:-.025em;margin:0;font-size:clamp(32px,4vw,50px);line-height:1.08}.origin-tag{min-height:24px;color:var(--green);border:1px solid #7e8d88;border-radius:999px;align-items:center;padding:3px 9px;font:700 11px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;display:inline-flex}.origin-tag--assumption{color:var(--orange);border-color:#b78865}.origin-tag--derived{color:var(--purple);border-color:#8b789d}.field__origin{color:var(--muted);letter-spacing:.04em;margin-left:8px;font-size:10px;font-weight:500;display:inline-block}.privacy-notice{color:#fbfaf6b8;grid-column:1/-1;margin:-24px 0 0;font-size:13px}.common-fields{grid-template-columns:1.5fr .75fr 1fr;gap:18px;margin:38px 0 0;display:grid}.inputs{padding-top:72px}.input-canvas{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;gap:18px;margin-top:42px;display:grid}.input-group{border:1px solid var(--line);border-top:5px solid var(--green);background:#fffefabd;min-width:0;padding:28px 24px 32px}.input-group--nisa{border-top-color:var(--orange)}.input-group--property{border-top-color:var(--purple)}.input-group__heading{border-bottom:1px solid var(--line);min-height:118px;margin-bottom:20px;padding-bottom:18px}.input-group h3{letter-spacing:-.02em;margin:0;font-size:clamp(25px,2.5vw,34px)}.input-group__heading p{color:var(--muted);margin:9px 0 0;font-size:13px;line-height:1.55}.product-fact{border:1px solid var(--line);background:var(--paper);margin-bottom:22px;padding:18px}.product-fact p{color:var(--muted);margin:10px 0 12px;font-size:12px;line-height:1.5}.rate-pair{flex-wrap:wrap;gap:8px 16px;display:flex}.rate-pair strong{color:#354e53;font:750 16px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace}.product-fact em{color:#8a4b28;margin-top:12px;font-size:12px;font-style:normal;line-height:1.5;display:block}.field-note{color:var(--muted);margin:12px 0 0;font-size:12px;line-height:1.55}.field__origin--leading{margin-right:8px}.field-grid{grid-template-columns:1fr;gap:15px;margin-top:22px;display:grid}.field{color:#354e53;gap:7px;font-size:12px;font-weight:750;display:grid}.field__control{background:#fffefa;border:1px solid #a8ada6;align-items:center;min-height:49px;display:flex}.field__control:focus-within{border-color:var(--green);box-shadow:inset 0 -2px var(--green)}.field input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;outline:0;padding:12px;font:650 16px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace}.field input::placeholder{color:#929995;font-family:inherit;font-weight:500}.field em{color:var(--muted);padding:0 11px 0 0;font-size:11px;font-style:normal;font-weight:700}.field--error{color:var(--danger)}.field--error .field__control{border-color:var(--danger)}.field__error{color:var(--danger);font-size:11px;font-weight:650}.segmented{border:0;margin:22px 0 0;padding:0}.segmented legend{color:#354e53;margin-bottom:9px;font-size:12px;font-weight:750}.segmented>div{flex-wrap:wrap;gap:7px;display:flex}.segmented label{position:relative}.segmented input{opacity:0;position:absolute;inset:0}.segmented span{color:#4d6063;border:1px solid #909996;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:750;display:block}.segmented input:checked+span{color:#fff;background:var(--ink);border-color:var(--ink)}.segmented input:focus-visible+span{outline-offset:3px;outline:3px solid #c8873e}.toggle-row{gap:14px;margin-top:24px;display:grid}.toggle{cursor:pointer;grid-template-columns:42px 1fr;align-items:center;gap:10px;display:grid}.toggle input{opacity:0;position:absolute}.toggle>span{background:#e4e1d8;border:1px solid #82908f;border-radius:99px;width:42px;height:23px;padding:3px}.toggle>span:after{content:"";background:#60706f;border-radius:50%;width:15px;height:15px;display:block}.toggle input:checked+span{background:var(--green);border-color:var(--green)}.toggle input:checked+span:after{background:#fff;transform:translate(19px)}.toggle input:focus-visible+span{outline-offset:3px;outline:3px solid #c8873e}.toggle strong{font-size:12px;line-height:1.45}.advanced{border-top:1px dashed var(--line);margin-top:22px;padding-top:16px}.advanced summary{cursor:pointer;color:var(--green);font-size:13px;font-weight:750}.scenario-fields{border-top:1px dashed var(--line);margin-top:28px;padding-top:24px}.actions,.export-actions{justify-content:flex-end;gap:12px;margin:34px 0 0;display:flex}.primary{background:var(--green);color:#fff;border:0;border-radius:999px;padding:15px 28px;font-weight:800;box-shadow:0 10px 24px #1b4d3e2e}.primary:hover{background:#143d31}.secondary{padding-inline:23px}.error-summary{border-left:4px solid var(--danger);color:#732e28;background:#fff1ed;margin:26px 0 0;padding:18px 22px}.error-summary ul{columns:2;margin:8px 0 0;padding-left:18px}.empty-state{width:min(1320px,100% - 40px);color:var(--muted);margin:-34px auto 88px}.results{border-top:1px solid var(--ink);padding-top:84px}.results__header p{color:var(--muted);flex-basis:100%;margin:0;line-height:1.6}.result-section{margin:76px 0 0}.result-section--first{margin-top:44px}.result-section__title{margin-bottom:22px}.result-section h3{margin:0;font-size:clamp(24px,3vw,34px)}.table-scroll{border-top:1px solid var(--ink);overflow-x:auto}.table-scroll-hint{display:none}table{border-collapse:collapse;background:#ffffff2e;width:100%;min-width:760px}th,td{border-bottom:1px solid var(--line);text-align:right;vertical-align:top;font-variant-numeric:tabular-nums;padding:14px;font-size:13px}th:first-child,td:first-child{text-align:left}thead th{color:var(--muted);letter-spacing:.025em;font-size:11px}tbody th{color:var(--ink)}.ledger-table tbody tr:nth-last-child(-n+4){background:#ffffff57}.ledger-table tbody tr:nth-child(7){font-weight:800}.risk-table{min-width:1080px}.risk-table td{text-align:left;max-width:240px;line-height:1.55}.plan-status-grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px;display:grid}.plan-status{border-left:3px solid var(--green);background:#ffffff4d;min-width:0;padding:16px 18px}.plan-status--nisa{border-color:var(--orange)}.plan-status--property{border-color:var(--purple)}.plan-status strong{font-size:13px}.plan-status ul{color:var(--muted);margin:8px 0 0;padding-left:17px;font-size:12px;line-height:1.55}.unavailable{color:var(--danger);margin:8px 0 0;font-size:12px;font-weight:700}.chart{background:var(--paper);border:1px solid #ded9cd;padding:18px}.chart--empty{min-height:220px;color:var(--muted);place-items:center;font-size:30px;display:grid}.chart svg{width:100%;height:auto;min-height:260px;display:block}.chart line{stroke:#ddd8cc;stroke-width:1px}.chart text{fill:#788381;font:12px ui-monospace,SFMono-Regular,Consolas,monospace}.chart path{fill:none;stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:round}.chart__legend{flex-wrap:wrap;justify-content:center;gap:14px 22px;font-size:12px;font-weight:700;display:flex}.chart__legend span{align-items:center;gap:7px;display:inline-flex}.chart__legend i{border-radius:3px;width:21px;height:4px}.scenario-range-chart__range{stroke-linecap:round;stroke:currentColor!important;stroke-width:5px!important}.scenario-range-chart__edge{fill:#fff;stroke:currentColor;stroke-width:3px}.scenario-range-chart__base{fill:currentColor;stroke:#fff;stroke-width:3px}details>summary{cursor:pointer;color:var(--green);margin-top:14px;font-weight:750}.calculation-basis{border:1px solid var(--line);background:#ffffff47;padding:28px}.calculation-basis ul{color:#384b55;margin:0;padding-left:20px;line-height:1.7}.calculation-basis dl{border-top:1px solid var(--line);flex-wrap:wrap;gap:14px 28px;margin:20px 0 0;padding-top:18px;display:flex}.calculation-basis dl div{gap:8px;display:flex}.calculation-basis dt{color:var(--muted)}.calculation-basis dd{margin:0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.sources ul{margin:0;padding:0;list-style:none}.sources li{border-bottom:1px solid var(--line);justify-content:space-between;gap:20px;padding:12px 0;display:flex}.sources small{color:var(--muted)}.export-actions{width:min(1320px,100% - 40px);margin:-44px auto 94px}footer{color:var(--muted);background:#e9e5dc;align-items:flex-start;gap:22px;padding:38px clamp(20px,6vw,96px);display:flex}footer img{width:44px}footer p{max-width:860px;margin:0;font-size:12px;line-height:1.7}@media (max-width:1120px){.input-canvas{grid-template-columns:1fr}.input-group__heading{min-height:0}.input-group .field-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.plan-status-grid{grid-template-columns:1fr}}@media (max-width:760px){.intro{grid-template-columns:1fr;min-height:230px}.intro__rule{display:none}.common-fields,.input-group .field-grid--three{grid-template-columns:1fr}.error-summary ul{columns:1}}@media (max-width:640px){.site-header{height:68px;padding-inline:16px}.brand img{width:164px}.language{padding:8px 12px;font-size:12px}.intro{min-height:0;padding:36px 20px}.intro h1{font-size:clamp(38px,12vw,54px)}.workspace,.inputs,.results{width:min(100% - 28px,1320px);padding-block:58px}.input-canvas{margin-top:30px}.input-group{padding:24px 18px 28px}.segmented>div{gap:6px}.segmented span{padding:8px 10px}.actions,.export-actions{justify-content:stretch}.actions button,.export-actions button{flex:1}.result-section{margin-top:56px}.result-section--first{margin-top:36px}.chart{padding:5px}.chart svg{min-height:220px}.calculation-basis{padding:22px 18px}.calculation-basis dl{display:grid}.sources li{display:block}.sources small{margin-top:4px;display:block}.table-scroll-hint{width:max-content;color:var(--green);margin:0;padding:10px 0 8px;font-size:12px;font-weight:750;display:block;position:sticky;left:0}.table-scroll th:first-child{z-index:1;background:var(--cream);position:sticky;left:0;box-shadow:8px 0 12px -12px #132238bf}.export-actions{margin-top:-24px}footer{padding:32px 20px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}@media print{@page{size:A4;margin:13mm}body{color:#000;background:#fff}.site-header,.intro,.workspace,.inputs,.export-actions,.empty-state{display:none!important}.results{border:0;width:100%;padding:0}.result-section{break-inside:avoid;margin-top:25px}.result-section--first{margin-top:20px}.chart{border:1px solid #bbb}.table-scroll{overflow:visible}details>summary{display:none}table,.risk-table{table-layout:fixed;width:100%;min-width:0;font-size:8px}th,td{overflow-wrap:anywhere;padding:6px 5px}.table-scroll-hint{display:none!important}footer{background:#fff;padding:22px 0 0}a{color:#000;text-decoration:none}}
