:root{--ink:#16212b;--mut:#5b6b78;--line:#dde3e8;--bg:#f6f8fa;--acc:#1f5e8c;--acc2:#e9f2f9;--warn:#8a4a00;--warnbg:#fff4e5;--bad:#a8221a;--good:#0b6e4f}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans JP",sans-serif;color:var(--ink);background:#fff}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.top{border-bottom:1px solid var(--line);padding:10px 0}.top .row{justify-content:space-between}.brand{font-weight:800;color:var(--ink);text-decoration:none}
.langsel select{padding:4px 6px}.sr{position:absolute;left:-9999px}
/* the hub puts its language bar at the top right (nav.yj-lang before this header): keep our own dropdown below it */
nav.yj-lang~header.top{padding-top:44px}
.hero{background:linear-gradient(180deg,#eaf2f9,#fff);padding:22px 0 14px}.kicker{color:var(--acc);font-weight:700;margin:0 0 6px}
h1{font-size:28px;line-height:1.2;margin:0 0 14px}h3{margin:0 0 8px;font-size:17px}
.herogrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:10px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.card.result{background:var(--acc2);border-color:#bcd6ea}.card.result .amt{font-size:32px;font-weight:800;color:var(--acc);line-height:1.15}.card.result p{margin:4px 0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.row2 label,.grid label{display:flex;flex-direction:column;gap:4px;font-size:14px}
.ccout{margin-top:10px;font-size:15px}.ccout b{color:var(--acc)}.ccout .bad{color:var(--bad)}
.pain{font-weight:600;border-left:4px solid var(--acc);padding:6px 10px;background:#fff;margin:6px 0 12px}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;border:1px solid var(--acc);color:var(--acc);background:#fff;border-radius:8px;padding:9px 14px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn.primary{background:var(--acc);color:#fff}.btn.ghost{border-color:var(--line);color:var(--ink)}
.step{padding:22px 16px;border-top:1px solid var(--line)}h2{font-size:22px;margin:0 0 6px;display:flex;gap:10px;align-items:center}
.n{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--acc);color:#fff;font-size:15px;flex:none}
.sub{color:var(--mut);margin:0 0 12px}.note{color:var(--mut);font-size:13px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px}.span2{grid-column:1/-1}.chk{flex-direction:row!important;align-items:center}
input,select,textarea{font:inherit;padding:7px 9px;border:1px solid #c8d0d7;border-radius:6px;background:#fff;min-width:0}textarea{width:100%;font-family:ui-monospace,monospace;font-size:13px}
.more{border:1px dashed var(--line);border-radius:8px;padding:8px 12px;margin-top:12px}.more summary{cursor:pointer;color:var(--acc);font-weight:600}.more .grid{margin-top:10px}
.exout{margin:10px 0 0;font-weight:600}
.scanrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}#scan{flex:1;min-width:200px;font-size:18px}.stepin{width:70px}
.tblwrap{overflow-x:auto}table{border-collapse:collapse;width:100%;margin:8px 0 12px;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:5px 6px;text-align:left;vertical-align:middle}td.r,th.r{text-align:right}
th{background:var(--bg);font-weight:600;white-space:nowrap}#tbl input{width:100%;padding:5px 6px;font-size:14px}#tbl td.num input{text-align:right;width:90px}#tbl td.code input{width:130px}#tbl td.u input{width:56px}
#tbl tr.flash td{background:#fff7cc}#tbl tr.low td.v{color:var(--warn);font-weight:600}#tbl tr.dif td.ist input{border-color:#e0a050}
.x{border:0;background:none;color:var(--mut);cursor:pointer;font-size:18px}
.big{background:var(--acc2);border:1px solid #bcd6ea;border-radius:12px;padding:14px 18px;margin-bottom:12px}.big .amt{font-size:34px;font-weight:800;color:var(--acc)}.big p{margin:4px 0}
.warn{background:var(--warnbg);border:1px solid #f3c98b;color:var(--warn);border-radius:8px;padding:10px 12px;margin:8px 0}.warn ul{margin:4px 0;padding-left:18px}
.ok{color:var(--good);font-weight:600}.bad{color:var(--bad);font-weight:600}
.lock{background:var(--bg);border:1px dashed #b9c3cc;border-radius:8px;padding:10px 12px;margin:10px 0}.lock a{font-weight:700}
.keybox{margin-top:14px;border-top:1px dashed var(--line);padding-top:10px}#key{min-width:260px}
.filebtn input{display:none}.hide{display:none}
.faq details{margin:6px 0}.faq summary{cursor:pointer;font-weight:600}
.printonly{display:none}
@media (max-width:720px){.herogrid,.grid{grid-template-columns:1fr}h1{font-size:23px}.card.result .amt{font-size:27px}#key{min-width:0;width:100%}}
@media print{
  .noprint{display:none!important}.printonly{display:block!important}body{font-size:10.5pt}
  @page{size:A4;margin:14mm 12mm}
  #printdoc h1{font-size:16pt;margin:0 0 4px}#printdoc table{font-size:9pt}#printdoc th,#printdoc td{padding:3px 4px;border-bottom:1px solid #999}
  #printdoc tr{page-break-inside:avoid}#printdoc .sig{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:28px}#printdoc .sig div{border-top:1px solid #000;padding-top:3px;font-size:9pt}
  #printdoc .meta{display:grid;grid-template-columns:1fr 1fr;gap:2px 20px;margin:6px 0 10px;font-size:10pt}#printdoc .gsum td{font-weight:700;background:#eee}
}