:root{--ink:#071817;--ink2:#0d2926;--paper:#f3f3ed;--white:#fff;--lime:#c9ff3d;--orange:#ff5b35;--line:#c9cec4;--muted:#66706c;--gold:#ffd75a;--silver:#d7e1df;--bronze:#d99259;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Hiragino Sans","Yu Gothic UI",Meiryo,sans-serif;line-height:1.65}a{color:inherit}button{font:inherit}.site-header{position:sticky;z-index:30;top:0;display:flex;align-items:center;justify-content:space-between;padding:14px max(24px,calc((100vw - var(--max))/2));background:rgba(7,24,23,.94);color:#fff;border-bottom:1px solid rgba(255,255,255,.16);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:12px;line-height:1.15;letter-spacing:.06em}.brand b{font-size:17px}.brand-mark{display:grid;place-items:center;width:46px;height:46px;border:2px solid var(--lime);border-radius:50%;color:var(--lime);font-weight:900}.site-header nav{display:flex;gap:26px}.site-header nav a{text-decoration:none;color:#ccd7d3;font-size:13px;font-weight:700}.site-header nav a:hover{color:var(--lime)}
.scoreboard{position:relative;overflow:hidden;display:grid;grid-template-columns:1.55fr .85fr;gap:64px;min-height:560px;padding:92px max(24px,calc((100vw - var(--max))/2)) 80px;background:var(--ink);color:#fff}.scoreboard:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 49.8%,rgba(201,255,61,.11) 50%,transparent 50.2%),linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:100% 100%,100% 56px}.scoreboard:after{content:"";position:absolute;width:420px;height:420px;right:-170px;top:70px;border:1px solid rgba(201,255,61,.25);border-radius:50%}.scoreboard>*{position:relative;z-index:1}.eyebrow{margin:0 0 12px;color:#61706b;font-size:12px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}.scoreboard .eyebrow,.inverse .eyebrow{color:var(--lime)}h1,h2,h3,p{margin-top:0}h1{margin-bottom:28px;font-size:clamp(48px,7vw,88px);line-height:.98;letter-spacing:-.06em}h1 em{color:var(--lime);font-style:normal}.lead{max-width:660px;color:#cdd8d4;font-size:18px}.scoreboard-stats{align-self:center;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04)}.scoreboard-stats div{padding:26px 12px;text-align:center;border-right:1px solid rgba(255,255,255,.15)}.scoreboard-stats div:last-of-type{border:0}.scoreboard-stats strong{display:block;color:var(--lime);font:900 46px/1 Arial,sans-serif}.scoreboard-stats span{font-size:12px;letter-spacing:.08em}.scoreboard-stats p{grid-column:1/-1;margin:0;padding:16px 20px;color:#aebbb7;font-size:12px;border-top:1px solid rgba(255,255,255,.15)}
.workspace,.sources-section{max-width:var(--max);margin:auto;padding:76px 24px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:28px}.section-heading h2{margin:0;font-size:clamp(30px,4vw,48px);letter-spacing:-.045em;line-height:1}.section-heading>p{max-width:500px;margin:0;color:var(--muted);font-size:14px}.section-heading.compact{margin-top:72px}.prefecture-jump{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:14px;padding:12px 16px;background:#e7ebe3;border-left:4px solid var(--orange);font-size:12px;font-weight:900}.prefecture-jump select{min-width:220px;padding:10px 36px 10px 12px;border:1px solid #aeb8ae;background:#fff;color:var(--ink);font:800 15px inherit}.prefecture-tabs{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin-bottom:46px}.prefecture-tabs button,.school-tabs button{cursor:pointer;border:1px solid #c8cec5;background:transparent;padding:11px 8px;color:var(--ink);font-weight:800}.prefecture-tabs button:hover,.school-tabs button:hover{border-color:var(--ink)}.prefecture-tabs button[aria-selected="true"]{background:var(--ink);color:var(--lime);border-color:var(--ink)}.ranking-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;padding:10px 0;border-top:3px solid var(--ink);border-bottom:1px solid var(--line);font:900 13px/1 Arial,sans-serif;letter-spacing:.08em}.ranking-head p{margin:0;font:13px/1.4 inherit}.live-dot{display:inline-block;width:8px;height:8px;margin-right:9px;background:var(--orange);border-radius:50%}
.ranking-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.rank-card{position:relative;min-width:0;padding:26px;background:#fff;border:1px solid #d7dbd3;box-shadow:0 10px 28px rgba(7,24,23,.06)}.rank-card:first-child{background:var(--ink);color:#fff;transform:translateY(-6px)}.rank-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:5px;background:var(--medal,var(--bronze))}.rank-card:nth-child(1){--medal:var(--gold)}.rank-card:nth-child(2){--medal:var(--silver)}.rank-card:nth-child(3){--medal:var(--bronze)}.rank-top{display:flex;align-items:start;justify-content:space-between;gap:12px}.rank-number{color:var(--medal);font:900 48px/1 Arial,sans-serif}.rank-label{display:block;color:var(--muted);font:800 10px/1 sans-serif;letter-spacing:.15em}.rank-card:first-child .rank-label{color:#92a39d}.score-ring{display:grid;place-items:center;width:76px;height:76px;border-radius:50%;background:conic-gradient(var(--medal) calc(var(--score)*1%),rgba(160,170,166,.18) 0);position:relative}.score-ring:after{content:"";position:absolute;inset:7px;border-radius:50%;background:#fff}.rank-card:first-child .score-ring:after{background:var(--ink)}.score-ring b{position:relative;z-index:1;font:900 24px/1 Arial,sans-serif}.score-ring small{font-size:10px}.rank-card h3{margin:22px 0 18px;font-size:25px;line-height:1.3;letter-spacing:-.035em}.metric-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.rank-card:first-child .metric-grid{border-color:#34504b}.metric{padding:12px 9px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.rank-card:first-child .metric{border-color:#34504b}.metric span{display:block;color:var(--muted);font-size:10px}.rank-card:first-child .metric span{color:#91a29d}.metric b{font:900 18px/1.2 Arial,sans-serif}.card-note{margin:17px 0 0;font-size:13px}.reference-row{display:grid;grid-template-columns:auto 1fr;gap:8px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12px}.rank-card:first-child .reference-row{border-color:#34504b}.status{display:inline-grid;place-items:center;width:25px;height:25px;background:#ecefe9;font-weight:900}.rank-card:first-child .status{background:#25403b;color:var(--lime)}.reference-row p{margin:0;color:var(--muted)}.rank-card:first-child .reference-row p{color:#aab7b3}
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}.comparison table{width:100%;min-width:1180px;border-collapse:collapse;font-size:13px}.comparison th,.comparison td{padding:13px 14px;text-align:left;border-bottom:1px solid #e0e3dc;white-space:nowrap}.comparison th{position:sticky;top:73px;background:var(--ink);color:#fff;font-size:11px;z-index:1}.comparison td:first-child{font-weight:900}.comparison tbody tr:hover{background:#f4f8e9}.school-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.school-tabs button[aria-selected="true"]{background:var(--orange);border-color:var(--orange);color:#fff}.year-list{display:grid;gap:8px}.year-row{display:grid;grid-template-columns:76px repeat(4,1fr) 44px;align-items:stretch;background:#fff;border:1px solid #d9ddd5}.year-row>div{padding:14px;border-right:1px solid #e0e4dd}.year-row>div:last-child{border:0}.year{display:grid;place-items:center;background:var(--ink);color:var(--lime);font:900 20px/1 Arial,sans-serif}.event-label{display:block;margin-bottom:4px;color:var(--muted);font-size:10px;font-weight:800}.source-pop{display:grid;place-items:center;text-decoration:none;font-weight:900;color:var(--orange)}
.method-section{padding:78px max(24px,calc((100vw - var(--max))/2));background:var(--ink);color:#fff}.inverse>p{color:#aab8b3}.method-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.method-card{min-height:170px;padding:22px;border:1px solid #34504b}.method-card strong{display:block;margin-bottom:16px;color:var(--lime);font:900 38px/1 Arial,sans-serif}.method-card b{display:block;margin-bottom:6px}.method-card p{margin:0;color:#aab8b3;font-size:12px}.method-section details{margin-top:20px;border-top:1px solid #34504b;border-bottom:1px solid #34504b}.method-section summary{cursor:pointer;padding:18px 0;color:var(--lime);font-weight:900}.detail-copy{max-width:860px;color:#c1cdc9;font-size:14px}.source-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}.source-layout h3{padding-bottom:10px;border-bottom:2px solid var(--ink)}.link-list,.gap-list{margin:0;padding:0;list-style:none}.link-list li,.gap-list li{padding:13px 0;border-bottom:1px solid var(--line);font-size:13px}.link-list a{font-weight:800;text-decoration-thickness:1px;text-underline-offset:3px}.gap-list li:before{content:"要確認";display:inline-block;margin-right:9px;padding:2px 6px;background:#ffe2da;color:#a62f14;font-size:10px;font-weight:900}.research-note{margin:36px 0 0;padding:20px;border-left:5px solid var(--orange);background:#fff;font-size:13px}footer{display:flex;justify-content:space-between;padding:28px max(24px,calc((100vw - var(--max))/2));background:#04100f;color:#83938e;font-size:12px}
@media(max-width:900px){.site-header nav{display:none}.scoreboard{grid-template-columns:1fr;gap:30px;min-height:auto;padding-top:64px}.scoreboard-stats{max-width:520px}.prefecture-tabs{grid-template-columns:repeat(6,1fr)}.ranking-grid{grid-template-columns:1fr}.rank-card:first-child{transform:none}.metric-grid{grid-template-columns:repeat(4,1fr)}.method-grid{grid-template-columns:repeat(2,1fr)}.source-layout{grid-template-columns:1fr}.year-row{grid-template-columns:65px 1fr 1fr}.year-row>div:nth-child(4),.year-row>div:nth-child(5){border-top:1px solid #e0e4dd}.year-row>div:last-child{grid-column:3;grid-row:3}.year{grid-row:1/4}}
@media(max-width:560px){body{font-size:15px}.site-header{padding:10px 16px}.brand-mark{width:40px;height:40px}.scoreboard{padding:52px 18px}.scoreboard-stats strong{font-size:34px}.workspace,.sources-section{padding:58px 16px}.section-heading{display:block}.section-heading>p{margin-top:12px}.prefecture-jump{display:block}.prefecture-jump span{display:block;margin-bottom:7px}.prefecture-jump select{width:100%;min-width:0}.prefecture-tabs{display:none}.metric-grid{grid-template-columns:1fr 1fr}.ranking-head{align-items:start}.ranking-head p{max-width:120px;text-align:right}.method-grid{grid-template-columns:1fr}.year-row{grid-template-columns:58px 1fr}.year{grid-row:1/6}.year-row>div{grid-column:2}.year-row>div:last-child{grid-column:2;grid-row:auto;justify-content:start}.source-pop{display:block}.site-header{position:relative}.comparison th{top:0}footer{display:block}footer span{display:block;margin:4px 0}}