*{box-sizing:border-box}
body{margin:0;font-family:"Noto Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1b1f24;background:#faf8f4;line-height:1.55}
a{color:#0b6b57}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
header.top{background:#12352e;color:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;flex-wrap:wrap}
header.top a{color:#fff;text-decoration:none}
.brand{font-weight:800;font-size:1.1rem}
.nav a{margin-left:16px;font-size:.95rem;opacity:.9}
.btn{display:inline-block;background:#e8a33d;color:#1b1f24!important;font-weight:700;padding:12px 20px;border-radius:10px;text-decoration:none;border:0;cursor:pointer;font-size:1rem}
.btn.ghost{background:#fff;border:2px solid #12352e;color:#12352e!important}
.btn.sm{padding:8px 14px;font-size:.9rem}
.hero{padding:44px 0 28px}
.hero h1{font-size:2.1rem;line-height:1.2;margin:0 0 12px}
.hero p.lead{font-size:1.15rem;max-width:720px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.card{background:#fff;border:1px solid #e6e1d8;border-radius:12px;padding:14px;text-decoration:none;color:inherit;display:block}
.card:hover{border-color:#0b6b57}
.card .ic{font-size:1.6rem}
td.ai{font-size:1.3rem}
.card b{display:block;margin:4px 0 2px}
.card small{color:#5b636b}
section{padding:26px 0}
h2{font-size:1.5rem;margin:0 0 12px}
.price{background:#fff;border:2px solid #12352e;border-radius:16px;padding:22px;max-width:560px}
.price .amt{font-size:2.4rem;font-weight:800}
.price ul{padding-left:20px}
.muted{color:#5b636b;font-size:.92rem}
table.tr{border-collapse:collapse;width:100%;background:#fff}
table.tr td,table.tr th{border:1px solid #e6e1d8;padding:8px 10px;text-align:left;vertical-align:top}
.gen{display:grid;grid-template-columns:300px 1fr;gap:20px;align-items:start}
@media(max-width:820px){.gen{grid-template-columns:1fr}.hero h1{font-size:1.6rem}}
.panel{background:#fff;border:1px solid #e6e1d8;border-radius:12px;padding:14px}
.panel label{display:block;margin:3px 0;font-size:.95rem}
.panel input[type=text],.panel textarea{width:100%;padding:7px;border:1px solid #cfc8bb;border-radius:8px;font:inherit}
.preview{background:#e9e5dd;border-radius:12px;padding:14px;overflow:hidden}
.sheetbox{margin:0 auto;box-shadow:0 4px 18px rgba(0,0,0,.18);background:#fff}
.note{background:#fff7e6;border:1px solid #f0d49a;border-radius:10px;padding:10px 12px;font-size:.92rem}
footer.bot{border-top:1px solid #e6e1d8;margin-top:30px;padding:22px 0;font-size:.9rem;color:#5b636b}
details{background:#fff;border:1px solid #e6e1d8;border-radius:10px;padding:10px 14px;margin:8px 0}
summary{font-weight:700;cursor:pointer}
/* sign sheet (screen + print) */
.sheet{width:210mm;height:297mm;padding:14mm 14mm 12mm;display:flex;flex-direction:column;font-family:"Noto Sans","Noto Sans CJK SC",sans-serif;color:#111;background:#fff;position:relative;overflow:hidden}
.sheet.land{width:297mm;height:210mm}
.sheet .frame{border:2.2mm solid #12352e;border-radius:6mm;flex:1;display:flex;flex-direction:column;justify-content:center;padding:8mm 9mm;gap:2mm;overflow:hidden}
.sheet .sic{text-align:center;line-height:1}
.sheet .rows{flex:1;display:flex;flex-direction:column;min-height:0}
.sheet .row{display:flex;align-items:center;gap:3.5mm;line-height:1.15;flex-basis:0;min-height:0;overflow:hidden}
.sheet .row .tx{display:block;flex:1;min-width:0;overflow-wrap:normal;word-break:keep-all}
.sheet .row .fl{flex:none;font-size:.62em}
.sheet .row .tx{font-weight:700}
.sheet .row.sec .tx{font-weight:600;color:#2a2f35}
.sheet .shared{text-align:center;font-weight:800;margin-top:3mm;letter-spacing:.5mm}
.sheet .qr{display:inline-block;width:45mm;height:45mm;border:1mm dashed #888;border-radius:3mm;font-size:6mm;line-height:45mm;color:#888}
.sheet .credit{position:absolute;bottom:4mm;left:0;right:0;text-align:center;font-size:2.6mm;color:#777}
.sheet .biz{text-align:center;font-weight:700;font-size:6mm;color:#12352e;margin-top:2mm}
@media print{
 @page{size:A4;margin:0}
 body{background:#fff}
 body.printing > *:not(#printarea){display:none!important}
 #printarea{display:block!important}
 #printarea .sheet{page-break-after:always;break-after:page}
}
#printarea{display:none}