:root{--bg:#f6f5f1;--surface:#fff;--text:#1f2a30;--muted:#5b6770;--accent:#2c5f7c;--accent-weak:#e6eef2;--border:#d9d6cc;--warn:#fff6e0;--warn-ink:#5a4300;color-scheme:light}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Hiragino Sans","Noto Sans JP","Yu Gothic UI","Meiryo",system-ui,sans-serif;line-height:1.75;font-size:16px}
a{color:var(--accent)}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:8px;top:8px;background:var(--surface);padding:6px 10px;z-index:10}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.site-header{background:var(--surface);border-bottom:1px solid var(--border)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:4px 24px;padding-top:10px;padding-bottom:10px}
.brand{font-weight:700;font-size:18px;color:var(--text);text-decoration:none}
.site-nav{display:flex;flex-wrap:wrap;gap:2px 16px;font-size:14px}
main{padding-top:16px;padding-bottom:32px}
h1{font-size:24px;line-height:1.4;margin:8px 0 12px;overflow-wrap:anywhere}
h2{font-size:19px;margin:32px 0 10px;padding-bottom:4px;border-bottom:2px solid var(--accent-weak)}
h3{font-size:16px;margin:16px 0 6px}
p,ul,ol,dl{margin:0 0 12px}
li{margin:2px 0}
.lead{color:var(--muted)}
.lead p{margin:0 0 8px}
.crumbs{font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin:12px 0}
.card h2{margin-top:0}
.notice{background:var(--warn);color:var(--warn-ink);border-radius:8px;padding:10px 14px;font-size:14px;margin:12px 0}
.small{font-size:13px;color:var(--muted)}
.sub{font-size:12px;color:var(--muted)}
th.group{text-align:center;border-bottom:1px solid var(--border)}
.ref{color:var(--muted)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:8px;background:var(--surface);margin:10px 0}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
th{background:var(--accent-weak);font-weight:600;white-space:nowrap}
td{white-space:nowrap}
th.num,td.num{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:last-child td{border-bottom:none}
dl.facts{display:grid;grid-template-columns:minmax(9em,16em) 1fr;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}
dl.facts dt,dl.facts dd{margin:0;padding:8px 12px;border-bottom:1px solid var(--border)}
dl.facts dt{background:var(--accent-weak);font-weight:600}
dl.facts dt:last-of-type,dl.facts dd:last-of-type{border-bottom:none}
ul.marks{margin:0;padding-left:1.2em}
ul.links{columns:2 16em;column-gap:24px}
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.filters label,#yield-box label{display:block;font-size:14px;font-weight:600;margin-bottom:2px}
input[type=text],select{font:inherit;font-size:16px;width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text)}
#yield-box input[type=text]{max-width:16em}
button{font:inherit;font-size:15px;padding:8px 16px;border:1px solid var(--accent);border-radius:8px;background:var(--surface);color:var(--accent);cursor:pointer}
button:hover{background:var(--accent-weak)}
.result{font-size:18px;font-weight:700}
.note-cta{background:var(--accent-weak);border-top:1px solid var(--border);padding:12px 0;font-size:14px}
.note-cta p{margin:4px 0}
.site-footer{padding:16px 0 40px;font-size:13px;color:var(--muted)}
.site-footer p{margin:4px 0}
@media (max-width:640px){
  body{font-size:15px}
  h1{font-size:21px}
  dl.facts{grid-template-columns:1fr}
  dl.facts dt{border-bottom:none;padding-bottom:2px}
  .site-header .wrap{padding-top:8px;padding-bottom:8px}
}