:root{
  color-scheme: light;
  --surface-0:#f4f4f2; --surface-1:#fcfcfb; --surface-2:#eeeeeb;
  --text-primary:#0b0b0b; --text-secondary:#52514e; --text-muted:#84837c;
  --line:#e0dfda; --line-strong:#c8c7c0;
  --rock:#2a78d6; --sawa:#eb6834; --snow:#1baf7a;
  --bar:#2a78d6; --bar-soft:#9ec5f4;
  --ok:#1c6b43; --ok-bg:#e6f2ec;
  --warn:#8a5a12; --warn-bg:#fbf3e5;
}
@media (prefers-color-scheme: dark){
 :root:not([data-theme="light"]){
  color-scheme: dark;
  --surface-0:#111110; --surface-1:#1a1a19; --surface-2:#232322;
  --text-primary:#ffffff; --text-secondary:#c3c2b7; --text-muted:#8e8d84;
  --line:#33332f; --line-strong:#4a4a45;
  --rock:#3987e5; --sawa:#d95926; --snow:#199e70;
  --bar:#3987e5; --bar-soft:#1c5cab;
  --ok:#5fbf8f; --ok-bg:#16261e;
  --warn:#d0a24e; --warn-bg:#2a2318;
 }
}
:root[data-theme="dark"]{
  color-scheme: dark;
  --surface-0:#111110; --surface-1:#1a1a19; --surface-2:#232322;
  --text-primary:#ffffff; --text-secondary:#c3c2b7; --text-muted:#8e8d84;
  --line:#33332f; --line-strong:#4a4a45;
  --rock:#3987e5; --sawa:#d95926; --snow:#199e70;
  --bar:#3987e5; --bar-soft:#1c5cab;
  --ok:#5fbf8f; --ok-bg:#16261e;
  --warn:#d0a24e; --warn-bg:#2a2318;
}
*{box-sizing:border-box}
body{margin:0;background:var(--surface-0);color:var(--text-primary);
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic UI",Meiryo,sans-serif;
 font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;
 font-feature-settings:"palt" 1}
.wrap{max-width:880px;margin:0 auto;padding:0 18px 80px}

/* ---------- header ---------- */
header.site{background:var(--surface-1);border-bottom:1px solid var(--line);padding:18px 0 0}
header.site .inner{max-width:880px;margin:0 auto;padding:0 18px}
.brand{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.brand .logo{font-size:25px;font-weight:800;letter-spacing:.06em}
.brand .kanji{font-size:15px;color:var(--text-muted);letter-spacing:.18em}
.brand .tag{font-size:13px;color:var(--text-secondary);margin-left:auto}
.tabs{display:flex;gap:2px;margin-top:16px}
.tab{display:flex;align-items:center;gap:7px;padding:9px 16px 8px;border:1px solid var(--line);
 border-bottom:none;border-radius:7px 7px 0 0;background:var(--surface-2);
 color:var(--text-muted);font-size:14px;font-weight:700;text-decoration:none;position:relative;top:1px}
.tab .dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.tab.on{background:var(--surface-0);color:var(--text-primary);border-bottom:1px solid var(--surface-0)}
.tab.off{opacity:.55}
.tab .soon{font-size:10.5px;font-weight:600;color:var(--text-muted);
 border:1px solid var(--line-strong);border-radius:3px;padding:0 4px;letter-spacing:.04em}

/* ---------- meta bar ---------- */
.metabar{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:baseline;
 padding:14px 0 4px;font-size:12.5px;color:var(--text-muted)}
.metabar .now{color:var(--text-secondary);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- card ---------- */
.card{background:var(--surface-1);border:1px solid var(--line);border-radius:11px;
 margin:14px 0;overflow:hidden}
.card > .hd{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 12px;
 padding:15px 20px 12px;border-bottom:1px solid var(--line)}
.card .nm{font-size:19px;font-weight:800;letter-spacing:.01em}
.card .sub{font-size:14px;color:var(--text-secondary)}
.card .facts{margin-left:auto;font-size:12.5px;color:var(--text-muted);
 font-variant-numeric:tabular-nums;text-align:right}
.chip{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:4px;
 background:var(--surface-2);color:var(--text-secondary);border:1px solid var(--line)}
.body{padding:16px 20px 18px}

/* ---------- headline number ---------- */
.hero{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:4px}
.hero .lab{font-size:13px;color:var(--text-secondary);font-weight:700}
.hero .val{font-size:44px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
 letter-spacing:-.02em}
.hero .unit{font-size:17px;font-weight:700;color:var(--text-secondary);margin-left:-4px}
.hero .when{font-size:12.5px;color:var(--text-muted);font-variant-numeric:tabular-nums;
 padding-bottom:4px}

/* ---------- metric grid ---------- */
.gsec{margin-top:18px}
.gsec > .t{font-size:12px;font-weight:700;color:var(--text-muted);letter-spacing:.08em;
 margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));gap:2px;
 background:var(--line);border:1px solid var(--line);border-radius:7px;overflow:hidden}
.cell{background:var(--surface-1);padding:10px 12px}
.cell .k{font-size:11.5px;color:var(--text-muted);margin-bottom:2px}
.cell .v{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.25}
.cell .v small{font-size:12px;font-weight:600;color:var(--text-secondary);margin-left:2px}
.cell .n{font-size:11px;color:var(--text-muted);margin-top:1px}

/* ---------- bar chart ---------- */
.chart{margin-top:8px}
.bars{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;align-items:end;
 height:104px;padding-top:4px}
.bcol{display:flex;flex-direction:column;justify-content:flex-end;height:100%;position:relative}
.bcol .bar{background:var(--bar);border-radius:4px 4px 0 0;min-height:2px;
 transition:opacity .12s}
.bcol.zero .bar{background:var(--line-strong);height:2px;border-radius:2px}
.bcol .amt{font-size:11px;font-variant-numeric:tabular-nums;text-align:center;
 color:var(--text-secondary);margin-bottom:3px;font-weight:700;min-height:15px}
.bcol.zero .amt{color:var(--text-muted);font-weight:400}
.xaxis{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-top:6px;
 border-top:1px solid var(--line);padding-top:5px}
.xaxis span{font-size:11px;color:var(--text-muted);text-align:center;font-variant-numeric:tabular-nums}
.chart .cap{font-size:12px;color:var(--text-secondary);margin-top:9px;display:flex;
 justify-content:space-between;flex-wrap:wrap;gap:6px}
.chart .cap b{font-variant-numeric:tabular-nums}

/* ---------- source note ---------- */
.src{margin-top:16px;padding:11px 13px;background:var(--surface-2);border-radius:7px;
 font-size:11.5px;color:var(--text-secondary);line-height:1.75}
.src b{color:var(--text-primary);font-weight:700}
.src .row{display:flex;gap:8px}
.src .row .lbl{color:var(--text-muted);flex-shrink:0;min-width:5.5em}

/* ---------- list rows ---------- */
.rows{background:var(--surface-1);border:1px solid var(--line);border-radius:11px;overflow:hidden}
.row{display:flex;align-items:center;gap:14px;padding:13px 18px;border-bottom:1px solid var(--line);
 text-decoration:none;color:inherit}
.row:last-child{border-bottom:none}
.row:hover{background:var(--surface-2)}
.row .nm{font-size:16px;font-weight:700;min-width:6.5em}
.row .sub{font-size:12.5px;color:var(--text-muted);min-width:7em}
.row .big{margin-left:auto;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
 line-height:1}
.row .big small{font-size:12px;font-weight:700;color:var(--text-secondary)}
.row .side{font-size:12px;color:var(--text-secondary);font-variant-numeric:tabular-nums;
 text-align:right;min-width:7.5em}
.rows .hdr{display:flex;gap:14px;padding:9px 18px;background:var(--surface-2);
 border-bottom:1px solid var(--line);font-size:11.5px;color:var(--text-muted);font-weight:700}
.rows .hdr .a{min-width:6.5em}.rows .hdr .b{min-width:7em}
.rows .hdr .c{margin-left:auto}

h2.sec{font-size:15px;margin:30px 0 2px;font-weight:800;letter-spacing:.02em;
 display:flex;align-items:center;gap:8px}
h2.sec .dot{width:10px;height:10px;border-radius:50%;background:var(--rock)}
p.lead{font-size:13px;color:var(--text-secondary);margin:4px 0 12px}

.disc{margin-top:26px;padding:14px 17px;background:var(--warn-bg);
 border-left:3px solid var(--warn);border-radius:6px;font-size:12.5px;color:var(--text-secondary)}
.disc b{color:var(--text-primary)}
footer{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
 font-size:11.5px;color:var(--text-muted);line-height:1.8}
@media(max-width:600px){
 .hero .val{font-size:36px}
 .row{flex-wrap:wrap;gap:8px 12px}
 .row .side{min-width:auto;margin-left:auto}
 .rows .hdr{display:none}
 /* ヘッダ行が消えるので、何の数字かを各値に持たせる */
 .row .side[data-l]::before{content:attr(data-l) " ";font-size:10.5px;color:var(--text-muted);font-weight:600}
 .row .side.sun{min-width:auto;margin-left:0}
 .brand .tag{margin-left:0;width:100%}
}
.rows .hdr .d{min-width:7.5em;text-align:right}
a.brand{text-decoration:none;color:inherit}

/* 一覧: 観測点名と積算日照 */
.row .big .st{display:block;font-size:10.5px;font-weight:600;color:var(--text-muted);
 letter-spacing:.02em;margin-top:2px;text-align:right}
.rows .hdr .d{min-width:7.5em;text-align:right}
.row .side.sun{min-width:5.5em}
a.brand{text-decoration:none;color:inherit}

/* 詳細: 3値並記のヘッドライン */
.hero2{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:2px;
 background:var(--line);border:1px solid var(--line);border-radius:9px;overflow:hidden;
 margin-bottom:6px}
.hero2 .h2unit{background:var(--surface-1);padding:13px 16px 12px}
.hero2 .lab{display:block;font-size:12px;color:var(--text-secondary);font-weight:700;
 margin-bottom:3px}
.hero2 .val{font-size:38px;font-weight:800;line-height:1;letter-spacing:-.02em;
 font-variant-numeric:tabular-nums}
.hero2 .unit{font-size:15px;font-weight:700;color:var(--text-secondary);margin-left:3px}
.hero2 .when{display:block;font-size:11.5px;color:var(--text-muted);margin-top:5px;
 font-variant-numeric:tabular-nums;min-height:1.4em}
@media(max-width:600px){.hero2 .val{font-size:31px}}