:root{--bg:#f4f1e9;--surface:#fffdf8;--ink:#17231c;--muted:#69736c;--line:#d9ddd5;--accent:#19704a;--accent-dark:#0f4b31;--soft:#dceadf;--positive:#0b7d4f;--negative:#b13f32;--radius:22px;--shadow:0 20px 50px rgba(23,35,28,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Noto Sans JP","Hiragino Kaku Gothic ProN",system-ui,sans-serif;line-height:1.65}a{color:inherit}button,input,select{font:inherit}button{color:inherit}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.narrow{width:min(820px,calc(100% - 40px))}.skip-link{position:fixed;top:8px;left:8px;z-index:100;transform:translateY(-160%);background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{transform:translateY(0)}:focus-visible{outline:3px solid #2d78d2;outline-offset:3px}.site-header{position:sticky;top:0;z-index:20;background:rgba(244,241,233,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(217,221,213,.8)}.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:850;text-decoration:none;letter-spacing:-.03em}.brand span{display:grid;place-items:center;width:32px;height:32px;background:var(--ink);color:white;border-radius:10px}.site-header nav{display:flex;gap:24px}.site-header nav a{text-decoration:none;color:var(--muted);font-size:.92rem}.site-header nav a:hover{color:var(--ink)}.breadcrumbs{padding-top:18px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;color:var(--muted);font-size:.82rem}.breadcrumbs li+li:before{content:"/";margin-right:8px;color:#a4aaa5}.breadcrumbs a{color:var(--accent);text-decoration:none}.hero{min-height:620px;display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center;padding-block:80px}.hero h1,.page-top h1{margin:.2em 0;font-size:clamp(2.8rem,6vw,6.5rem);line-height:.98;letter-spacing:-.065em}.hero h1 span{color:var(--accent)}.lead{font-size:1.15rem;color:var(--muted);max-width:650px}.eyebrow{font-size:.75rem;font-weight:800;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}.eyebrow a{text-decoration:none}.hero-actions{display:flex;gap:12px;margin-top:32px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 22px;background:var(--ink);color:white;border-radius:999px;text-decoration:none;font-weight:750}.button.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}.hero-panel,.ranking-card,.chart-card,.compare-output,.prose{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-panel{padding:28px}.hero-panel label{display:block;font-weight:800;margin-bottom:4px}.search-help,.search-status{margin:0;color:var(--muted);font-size:.78rem}.search-help{margin-bottom:10px}.search-status{min-height:1.4em;margin-top:8px}.search-input,select{width:100%;border:1px solid var(--line);border-radius:14px;background:white;padding:14px 16px;color:var(--ink)}.search-results{display:grid;margin-top:12px;max-height:390px;overflow:auto}.search-results a{display:grid;grid-template-columns:1fr 1.3fr auto;gap:8px;align-items:center;padding:12px 4px;border-bottom:1px solid var(--line);text-decoration:none}.search-results a:hover{background:#f7f7f2}.search-results a:last-child{border:0}.search-results span{font-size:.76rem;color:var(--muted)}.search-results em{font-size:.82rem;font-style:normal;color:var(--muted)}.section{padding-block:54px}.page-top{padding-top:72px}.section-heading,.card-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section-heading h1,.section-heading h2,.card-heading h2{margin:0;letter-spacing:-.04em}.section-heading h2{font-size:2.2rem}.section-heading p{color:var(--muted);max-width:720px}.section-heading a,.card-heading a,.source-note a{color:var(--accent);font-weight:750}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stats-grid-three{grid-template-columns:repeat(3,1fr)}.stat-card{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:18px}.stat-card span{display:block;color:var(--muted);font-size:.82rem}.stat-card strong{display:block;margin-top:10px;font-size:2rem;letter-spacing:-.045em;line-height:1}.stat-card small{display:block;margin-top:8px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.ranking-card,.chart-card{padding:24px}.ranking-list{list-style:none;padding:0;margin:0}.ranking-list li{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:13px 0;border-top:1px solid var(--line)}.ranking-list a{text-decoration:none}.ranking-list a small{display:block;color:var(--muted)}.rank{display:grid;place-items:center;width:28px;height:28px;background:var(--soft);border-radius:9px;font-size:.78rem;font-weight:800}.positive{color:var(--positive)!important}.negative{color:var(--negative)!important}.neutral{color:var(--muted)!important}.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.city-card{display:block;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:16px;text-decoration:none;transition:.2s transform,.2s border-color}.city-card:hover{transform:translateY(-3px);border-color:var(--accent)}.city-card span{display:block;color:var(--muted);font-size:.75rem}.city-card strong{display:block;font-size:1.15rem}.city-card div{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:16px}.city-card em{font-size:.78rem;font-style:normal}.prefecture-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.prefecture-card{display:flex;min-height:128px;flex-direction:column;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:18px;text-decoration:none;transition:.2s transform,.2s border-color}.prefecture-card:hover{transform:translateY(-3px);border-color:var(--accent)}.prefecture-card span{font-size:1.2rem;font-weight:800}.prefecture-card strong{margin-top:10px}.prefecture-card small{margin-top:auto;color:var(--muted)}.table-wrap{overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:18px}.table-wrap.compact{border-radius:14px}table{border-collapse:collapse;width:100%;min-width:700px}th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}th{font-size:.76rem;color:var(--muted);background:#f8f7f2}td a{text-decoration:none}td small{display:block;color:var(--muted)}.numeric{text-align:right;font-variant-numeric:tabular-nums}.data-flag{display:inline-block;margin-top:5px;padding:2px 7px;background:#fff1c9;color:#6a4b00;border-radius:999px;font-size:.68rem;font-weight:800}.data-caveat{margin:0 0 18px;padding:14px 16px;background:#f7f5ec;border-left:4px solid #b9aa73;color:var(--muted);border-radius:0 10px 10px 0}.data-warning{margin:24px 0 0;padding:18px 20px;background:#fff1c9;border:1px solid #ead59a;border-radius:16px;color:#5d4500}.data-warning p{margin:.35em 0 0}.sparkline{width:120px;height:34px}.sparkline polyline{fill:none;stroke:var(--accent);stroke-width:2}.city-hero{display:flex;justify-content:space-between;align-items:end}.city-hero h1{font-size:clamp(3rem,7vw,7rem)}.line-chart{width:100%;min-width:620px;height:auto}.line-chart .axis{stroke:var(--line)}.line-chart .trend{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.line-chart circle{fill:var(--surface);stroke:var(--accent);stroke-width:3}.line-chart text{font-size:11px;fill:var(--muted)}.chart-scroll{overflow:auto}.source-note{border-top:1px solid var(--line)}.compare-controls{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:end;margin:30px 0}.compare-controls label{font-weight:750}.swap-button{width:48px;height:48px;border:1px solid var(--line);border-radius:50%;background:var(--surface);cursor:pointer;font-size:1.4rem}.swap-button:hover{border-color:var(--accent)}.compare-output{padding:24px}.compare-summary{display:grid;grid-template-columns:1fr .7fr 1fr;gap:16px;align-items:stretch;margin-bottom:22px}.compare-city,.compare-verdict{padding:22px;border:1px solid var(--line);border-radius:16px}.compare-city span{font-size:.76rem;color:var(--muted)}.compare-city h2{margin:.2em 0;font-size:2rem}.compare-city>strong,.compare-city>em{display:block;font-size:1.2rem;font-style:normal}.compare-city>small{display:block;margin-top:4px;color:var(--muted)}.compare-city a{display:inline-block;margin-top:18px;color:var(--accent);font-weight:750}.compare-verdict{display:flex;flex-direction:column;justify-content:center;text-align:center;background:var(--ink);color:white}.compare-verdict p{margin:8px 0 0;color:#a9b7ae;font-size:.76rem}.compare-verdict strong{font-size:1.05rem}.compare-chart{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.chart-legend{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:.82rem}.chart-legend span{display:flex;align-items:center;gap:6px}.chart-legend i{display:inline-block;width:18px;height:4px;border-radius:999px}.legend-a{background:var(--accent)}.legend-b{background:#7a5ca7}.line-chart .trend-b{stroke:#7a5ca7}.line-chart .point-b{stroke:#7a5ca7}.prose{padding:32px}.prose h2{margin-top:2em}.prose dl div{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:12px 0;border-bottom:1px solid var(--line)}.prose dt{font-weight:800}.prose dd{margin:0}.demo-banner{padding:9px 20px;background:#fff1c9;color:#6a4b00;text-align:center;font-size:.86rem;border-bottom:1px solid #ead59a}.demo-banner strong{margin-right:8px}.empty{text-align:center;padding:120px 0}.empty h1{font-size:3rem}footer{margin-top:70px;border-top:1px solid var(--line)}.footer-inner{min-height:190px;display:flex;justify-content:space-between;align-items:center}.footer-inner p{color:var(--muted)}.footer-inner>div:last-child{display:grid;gap:8px}.footer-inner a{text-decoration:none}
@media(max-width:900px){.hero{grid-template-columns:1fr;min-height:auto;gap:30px}.stats-grid,.city-grid,.prefecture-grid{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.compare-summary{grid-template-columns:1fr}.compare-verdict{min-height:130px}.city-hero{align-items:start;flex-direction:column}.site-header nav{gap:16px}.site-header nav a:nth-child(2),.site-header nav a:nth-child(3){display:none}}
@media(max-width:560px){.container,.narrow{width:min(100% - 24px,1160px)}.site-header nav{gap:12px}.site-header nav a{font-size:.85rem}.hero{padding-block:50px}.hero h1{font-size:3.3rem}.hero-actions{flex-direction:column}.stats-grid,.stats-grid-three,.city-grid,.prefecture-grid{grid-template-columns:1fr}.section-heading{align-items:start;flex-direction:column}.compare-controls{grid-template-columns:1fr}.swap-button{margin:auto;transform:rotate(90deg)}.prose{padding:22px}.prose dl div{grid-template-columns:1fr;gap:3px}.footer-inner{align-items:start;flex-direction:column;justify-content:center;gap:20px}.search-results a{grid-template-columns:.9fr 1.2fr}.search-results em{display:none}.breadcrumbs{padding-top:12px}.city-hero h1{font-size:3.6rem}}