@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--ink:#213734;--muted:#63726d;--green:#123c39;--accent:#c8ed87;--line:#dce3df;--paper:#f5f7f5;--white:#fff;--amber:#9b581d;--red:#a74739;--shadow:0 6px 22px #15382e04;font-family:'DM Sans','Noto Sans JP',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.7}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a,summary,input[type=range]{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #6b9e3c;outline-offset:4px}h1,h2,h3,p{margin:0}h1{font-size:clamp(1.45rem,2.4vw,2rem);font-weight:600;letter-spacing:-.04em;line-height:1.55}h2{font-size:1.15rem;font-weight:600}h3{font-size:1.0rem;font-weight:600}.header{height:94px;display:flex;align-items:center;padding:0 4.6%;gap:46px;border-bottom:1px solid var(--line);background:white}.brand{text-decoration:none;display:flex;align-items:center;gap:13px;font-size:1.2rem;font-weight:700;line-height:1.4}.brand small{display:block;font-family:'DM Sans',sans-serif;font-size:0.75rem;letter-spacing:.19em;font-weight:500;margin-top:4px}.brand-symbol{background:var(--green);color:#fff;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;font-family:Georgia,serif;font-size:2.0rem}.brand-symbol span{color:var(--accent)}.header-label{font-size:0.82rem;color:var(--muted);border-left:1px solid var(--line);padding-left:30px}.quiet-link{margin-left:auto;font-size:0.875rem;text-decoration:none}.quiet-link span{margin-left:10px}main{max-width:1500px;margin:auto;padding:38px 4.6% 60px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.eyebrow{font-family:'DM Sans',sans-serif;letter-spacing:.16em;font-size:0.75rem;color:var(--muted);font-weight:600;margin-bottom:8px}.prototype{font-size:0.75rem;padding:5px 11px;border:1px solid #cbd6ce;border-radius:30px;white-space:nowrap;color:var(--muted)}.notice{background:#edf2e8;border:1px solid #dce7cd;display:flex;align-items:flex-start;gap:11px;padding:12px 17px;border-radius:8px;font-size:0.82rem;color:#536342;margin-bottom:26px}.notice strong{font-weight:600}.notice-icon{border:1px solid currentColor;font-family:Georgia,serif;width:17px;height:17px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px}.workspace{display:grid;grid-template-columns:286px minmax(0,1fr);gap:28px;align-items:start}.input-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px;box-shadow:var(--shadow);position:sticky;top:20px}.panel-heading{margin-bottom:20px}.mode-switch{display:flex;background:#f0f3f0;padding:4px;border-radius:6px;margin-bottom:21px}.mode-switch button{background:transparent;border:0;color:var(--muted);font-size:0.82rem;width:50%;padding:7px 1px;border-radius:4px}.mode-switch button.selected{background:white;color:var(--green);box-shadow:0 1px 5px #123c3912;font-weight:600}label{font-size:0.875rem;display:block;margin:17px 0 7px;font-weight:500}input:not([type=range]),select{background:#fff;border:1px solid #cfd9d3;min-height:43px;width:100%;padding:9px 11px;border-radius:5px;color:var(--ink);font-size:0.875rem;min-width:0}select{padding-right:18px}.fixed-type{font-size:0.8rem;margin:18px 0 4px;color:var(--muted);display:flex;justify-content:space-between}.fixed-type span{background:#f0f3ef;border-radius:4px;padding:0 8px}.unit-input{position:relative}.unit-input input:not([type=range]){padding-right:47px;font-family:'DM Sans',sans-serif;font-size:1.0rem}.unit-input span{position:absolute;right:12px;top:10px;font-size:0.875rem;color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.primary-button{margin-top:25px;width:100%;background:var(--green);border:1px solid var(--green);color:white;font-size:0.875rem;font-weight:500;border-radius:6px;padding:12px 10px;display:flex;justify-content:space-between;align-items:center}.primary-button:hover{background:#21564e}.field-note{font-size:0.75rem;color:var(--muted);margin-top:9px;line-height:1.7}.sidebar-foot{margin-top:26px;padding-top:19px;border-top:1px solid var(--line);display:flex;gap:9px;color:var(--muted);font-size:0.75rem}.sidebar-foot>span{font-size:1.4rem}.result-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.result-heading h2{font-size:1.15rem;overflow-wrap:anywhere}.property-meta{font-size:0.78rem;color:var(--muted);margin-top:4px}.sample-label{border:1px solid var(--line);color:var(--muted);border-radius:5px;font-size:0.75rem;padding:3px 8px;white-space:nowrap}.summary-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:16px}.score-hero{background:var(--green);color:white;border-radius:11px;padding:24px 26px;position:relative;overflow:hidden}.card-kicker{font-size:0.78rem;letter-spacing:.03em;font-weight:500}.score-hero .card-kicker{color:#d6e4db}.score-line{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 0}.big-score{font-family:'DM Sans',sans-serif;font-size:4.4rem;line-height:1;letter-spacing:-.055em;color:var(--accent);font-weight:500}.big-score small{font-size:0.875rem;letter-spacing:0;color:#d6e4db;margin-left:7px;font-family:'Noto Sans JP',sans-serif}.score-caption{font-size:0.82rem;color:#d4e2dc}.score-summary{font-size:0.83rem;border-top:1px solid #ffffff24;margin-top:20px;padding-top:15px;line-height:1.8}.score-bars{width:66px;display:flex;align-items:end;height:66px;gap:5px;opacity:.8}.score-bars i{width:10px;background:#c8ed8755;border-radius:3px 3px 0 0}.score-bars i:nth-child(1){height:22px}.score-bars i:nth-child(2){height:36px}.score-bars i:nth-child(3){height:46px}.score-bars i:nth-child(4){height:61px;background:var(--accent)}.price-hero{background:#fff;border:1px solid var(--line);border-radius:11px;padding:24px 25px}.price-comparison{display:flex;align-items:baseline;gap:10px;margin:12px 0 4px;flex-wrap:wrap}.price-comparison strong{font-size:2.15rem;line-height:1.4;letter-spacing:-.04em;font-weight:500}.price-comparison small{font-size:0.85rem;margin-left:5px}.chip{border-radius:4px;padding:3px 9px;font-size:0.75rem;white-space:nowrap;background:#ecf3e5;color:#42652b}.chip.warn{background:#fbecdc;color:var(--amber)}.price-range{font-size:0.82rem;color:var(--muted)}.price-foot{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px;margin-top:17px;font-size:0.78rem;gap:8px}.price-foot strong{color:var(--green)}.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:16px 0 24px}.metric-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:15px 12px}.metric-card h3{font-size:0.77rem;white-space:nowrap}.metric-card strong{display:block;font-family:'DM Sans',sans-serif;font-size:1.7rem;line-height:1.5;font-weight:500;margin-top:4px}.metric-bar{height:4px;background:#ecf0ea;position:relative;overflow:hidden;border-radius:10px;margin:5px 0 10px}.metric-bar span{display:block;background:#83ad56;height:100%}.metric-bar:after{content:'';position:absolute;height:7px;border-left:1px solid #6f7a70;left:50%;top:0}.metric-card p{font-size:0.75rem;color:var(--muted)}.section-card{background:white;border:1px solid var(--line);border-radius:10px;margin-bottom:18px;padding:23px 25px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:19px}.section-title h2{font-size:1.05rem}.section-number{font-family:'DM Sans',sans-serif;color:#90a18f;font-size:0.75rem;margin-right:8px}.segmented{display:flex;gap:3px;border:1px solid var(--line);padding:3px;border-radius:5px;flex-shrink:0}.segmented button{border:0;background:transparent;border-radius:3px;padding:4px 11px;font-size:0.75rem;color:var(--muted)}.segmented button[aria-pressed=true]{background:#edf3e7;color:var(--green);font-weight:600}.chart{width:100%;height:auto;display:block}.chart text{font-family:'DM Sans','Noto Sans JP',sans-serif;font-size:12px;fill:#6b7970}.chart .grid-line{stroke:#e9eee9;stroke-width:1}.chart-legend{display:flex;gap:18px;flex-wrap:wrap;font-size:0.75rem;color:var(--muted);margin:0 0 8px}.legend-item{display:flex;align-items:center;gap:6px}.legend-item:before{content:'';width:16px;height:3px;background:#194e44}.legend-item.past:before{background:#9da99d}.legend-item.range:before{height:8px;background:#dcebc7}.scenario-summary{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:17px;gap:14px}.scenario-summary>div+div{border-left:1px solid var(--line);padding-left:17px}.scenario-summary span{font-size:0.75rem;color:var(--muted)}.scenario-summary strong{display:block;font-size:1.2rem;font-weight:500;white-space:nowrap}.scenario-summary .baseline strong{color:#326e3c}.scenario-summary small{font-size:0.75rem;color:var(--muted)}.scenario-inputs{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:10px}.slider-label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:0.8rem}.slider-label output{font-family:'DM Sans',sans-serif;font-weight:600;color:var(--green);white-space:nowrap}input[type=range]{width:100%;accent-color:var(--green);height:22px;margin:6px 0 0}.slider-ends{display:flex;justify-content:space-between;font-size:0.75rem;color:var(--muted)}.small-note{font-size:0.75rem;line-height:1.8;color:var(--muted);margin-top:16px}.region-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.region-grid .section-card{padding:21px;min-width:0;margin-bottom:0}.data-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid #eef1ed;font-size:0.8rem}.data-row dt{color:var(--muted)}.data-row dd{margin:0;font-weight:500;text-align:right}.data-row:last-child{border:0}dl{margin:0}.subsidy{margin-top:15px;padding:13px;background:#f3f6f0;border-radius:6px}.subsidy strong{font-size:0.8rem;font-weight:500}.subsidy p{font-size:0.75rem;margin-top:5px;color:var(--muted)}.disaster-warning{background:#fff4e7;border-left:3px solid #bf8140;padding:11px 13px;margin-top:17px;font-size:0.78rem;color:#865a2c}.full-width{grid-column:1/-1}.population-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.population-grid dt{font-size:0.75rem;color:var(--muted)}.population-grid dd{font-family:'DM Sans',sans-serif;font-size:1.4rem;margin:6px 0 0;line-height:1.4}.population-grid dd small{font-size:0.75rem}.population-grid dl+dl{border-left:1px solid var(--line);padding-left:18px}.unavailable{font-size:0.75rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:18px}.comparison{margin-top:18px;padding:20px 24px}.comparison summary{font-size:0.875rem;font-weight:500}.table-scroll{overflow:auto;margin-top:17px}table{border-collapse:collapse;width:100%;font-size:0.78rem;text-align:right;white-space:nowrap}th{font-weight:500;color:var(--muted);background:#f5f7f3}td,th{padding:11px 12px;border-bottom:1px solid var(--line)}td:first-child,th:first-child{text-align:left}.methodology{display:grid;grid-template-columns:1fr 1.7fr;border-top:1px solid #ced9d1;gap:40px;margin-top:55px;padding-top:35px}.methodology h2{font-size:1.25rem;margin-bottom:13px;letter-spacing:-.03em}.methodology>div>p:not(.eyebrow){font-size:0.85rem;color:var(--muted)}.method-details details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;font-size:0.85rem;padding:15px 28px 15px 0;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:2px;top:11px;font-family:'DM Sans',sans-serif;font-size:1.3rem;color:var(--muted)}details[open]>summary:after{content:'−'}.detail-body{padding:0 5px 18px 0;font-size:0.8rem;color:var(--muted)}.detail-body p{margin:10px 0}.source-list{list-style:none;margin:15px 0 0;padding:0}.source-list li{padding:10px 0}.source-list a{font-weight:500;color:var(--green)}.source-list span{display:block;margin-top:4px;font-size:0.75rem}footer{border-top:1px solid var(--line);padding:25px 4.6%;display:flex;justify-content:space-between;gap:20px;font-size:0.75rem;color:var(--muted)}.footer-brand{font-weight:600;color:var(--green)}.skip{position:absolute;left:15px;top:-80px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}.empty-state{background:white;border:1px solid var(--line);border-radius:12px;padding:30px}.empty-state h2{margin:10px 0}.empty-state p{color:var(--muted);font-size:0.875rem;margin-bottom:16px}.empty-state .empty-value{font-size:2.0rem;color:var(--green);font-family:'DM Sans',sans-serif}.empty-state ul{font-size:0.85rem;color:var(--muted);padding-left:20px}.empty-state a{font-size:0.85rem}.dirty{color:var(--amber)}[hidden]{display:none!important}@media(min-width:1500px){main{padding-left:55px;padding-right:55px}}@media(max-width:1150px){.workspace{grid-template-columns:260px minmax(0,1fr);gap:20px}.input-panel{padding:19px}.score-hero,.price-hero{padding:20px}.big-score{font-size:3.5rem}.price-comparison strong{font-size:1.85rem}.metric-grid{gap:7px}.metric-card{padding:13px 8px}.metric-card h3{font-size:0.75rem}.metric-card p{font-size:0.75rem}.section-card{padding:20px}.region-grid{gap:12px}.region-grid .section-card{padding:17px}.header-label{display:none}.scenario-summary strong{font-size:1.0rem}}@media(max-width:900px){main{padding:28px 24px 45px}.header{padding:0 24px;height:80px}.workspace{grid-template-columns:230px minmax(0,1fr);gap:17px}.summary-grid{grid-template-columns:1fr}.score-hero{padding:20px}.score-line{margin:9px 0}.score-summary{margin-top:12px;padding-top:11px}.score-bars{height:50px}.price-hero{padding:18px 20px}.price-comparison{margin:7px 0}.metric-grid{grid-template-columns:repeat(3,1fr);gap:8px}.metric-card h3{font-size:0.77rem}.region-grid{grid-template-columns:1fr}.full-width{grid-column:auto}.scenario-inputs{grid-template-columns:1fr;gap:0}.scenario-summary{gap:8px}.scenario-summary>div+div{padding-left:8px}.scenario-summary strong{font-size:0.9rem}.population-grid{grid-template-columns:repeat(2,1fr);gap:18px}.population-grid dl:nth-child(3){border:0;padding:0}.methodology{grid-template-columns:1fr;gap:20px}.section-title{align-items:start}.section-title h2{font-size:1.0rem}.segmented button{padding:4px 7px}}@media(max-width:650px){.header{height:75px;padding:0 18px}.brand{font-size:1.0rem;gap:10px}.brand-symbol{width:37px;height:37px;font-size:1.7rem}.brand small{font-size:0.75rem}.quiet-link{font-size:0.75rem}main{padding:23px 16px 35px}.page-heading{align-items:start;gap:10px}.page-heading h1{font-size:1.4rem}.prototype{display:none}.eyebrow{font-size:0.75rem}.notice{font-size:0.77rem;margin-bottom:20px}.workspace{grid-template-columns:1fr;gap:24px}.input-panel{position:static;padding:20px}.panel-heading{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:13px}.panel-heading .eyebrow{margin:0}.mode-switch{margin-bottom:15px}.input-panel form{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.input-panel form>label,.input-panel form>input,.input-panel form>select,.input-panel form>#address-group,.fixed-type,.primary-button,#form-status,.form-grid{grid-column:1/-1}.input-panel form>.unit-input{grid-column:1/-1}.sidebar-foot{margin-top:16px;padding-top:13px}.input-panel form>label:first-child{margin-top:0}.summary-grid{grid-template-columns:1fr}.score-hero{padding:23px}.score-line{margin:14px 0}.big-score{font-size:4.0rem}.metric-grid{grid-template-columns:repeat(3,1fr);gap:10px}.metric-card{padding:14px 12px}.metric-card h3{font-size:0.76rem}.metric-card strong{font-size:1.7rem}.section-card{padding:19px 16px}.section-title h2{font-size:0.94rem}.section-number{margin-right:5px}.scenario-summary strong{font-size:1.0rem}.scenario-inputs{grid-template-columns:1fr 1fr;gap:15px}.slider-label{align-items:start;flex-direction:column;gap:0}.region-grid .section-card{padding:20px}.methodology{margin-top:35px;padding-top:27px}.methodology h2{font-size:1.1rem}.result-heading h2{font-size:1.05rem}footer{padding:20px 16px;flex-wrap:wrap;gap:10px}footer span:nth-child(2){display:none}}@media(prefers-reduced-motion:no-preference){button{transition:background .16s ease,color .16s ease}.results{animation:appear .3s ease}@keyframes appear{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}}@media print{.header,.input-panel,.notice,.methodology,footer,.segmented,.scenario-inputs{display:none}.workspace{display:block}main{padding:0}.results{width:100%}.section-card,.score-hero{break-inside:avoid}.score-hero{background:#fff;color:#123c39;border:1px solid #ccc}.big-score,.score-caption,.score-hero .card-kicker{color:#123c39}.score-summary{color:#123c39}.region-grid{grid-template-columns:1fr 1fr}}

/* Keep frequently read labels readable at every viewport size. */
.metric-card h3,.data-row,.slider-label,.subsidy strong,.method-details summary,.comparison summary,.detail-body,.source-list a{font-size:.875rem}.metric-card h3{white-space:normal;min-height:2.8em}.mode-switch button,.fixed-type,.chart-legend,.scenario-summary span,.population-grid dt{font-size:.875rem}.scenario-summary strong{white-space:normal}.detail-body{line-height:1.9}@media(max-width:1150px) and (min-width:901px){.metric-grid{grid-template-columns:repeat(3,1fr)}}

.footer-links{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:.875rem}.footer-links a{text-decoration:none}.footer-links a:hover{text-decoration:underline}.primary-button:disabled{opacity:.6;cursor:wait}@media(max-width:650px){footer{align-items:center}.footer-links{width:100%;order:2}}