:root{
  /* MERCHANT TOOLS ブランド配色: 暖色（オレンジ＋クリーム）が主役、紺は差し色 */
  --mc-orange:#e3902f; --mc-orange-d:#c8771a; --mc-cream:#fff5e6; --mc-cream-d:#fbe9cf;
  --mc-navy:#2e4153; --mc-navy-d:#22323f;
  --blue:#e3902f; --blue-d:#c8771a;
  --ink:#2b2b2b; --slate:#7a7165;
  --line:#ece3d5; --bg:#fbf7f0;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;color:var(--ink)}
.gen-body{background:linear-gradient(135deg,#fdfaf4,#fff5e6);min-height:100vh}

/* ---------- ヘッダ ---------- */
.gen-header{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(46,65,83,.05)}
.gen-header-inner{max-width:1080px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.brand-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--mc-orange),var(--mc-orange-d));display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.brand h1{font-size:19px;margin:0;color:var(--mc-navy)}
.brand-sub{font-size:12px;color:var(--slate);margin:2px 0 0}
.gen-badge{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--mc-orange-d);background:var(--mc-cream);border:1px solid var(--mc-cream-d);padding:6px 12px;border-radius:999px;white-space:nowrap}

/* ---------- 使い方（折りたたみ） ---------- */
.gen-howto{max-width:1080px;margin:18px auto 0;padding:0 20px}
.gen-howto summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--mc-orange-d);background:#fff;border:1px solid var(--mc-cream-d);border-radius:999px;padding:9px 16px;user-select:none}
.gen-howto summary::-webkit-details-marker{display:none}
.gen-howto summary::before{content:"💡"}
.gen-howto[open] summary{margin-bottom:12px}
.howto-body{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;box-shadow:0 8px 22px rgba(46,65,83,.05)}
.howto-body ol{margin:0;padding-left:1.3em;color:#475569;font-size:14px;line-height:1.85}
.howto-body li{margin-bottom:8px}
.howto-body b{color:var(--mc-navy)}
.howto-note{margin:10px 0 0;font-size:12px;color:var(--slate)}

/* ---------- メイン2カラム ---------- */
.gen-main{max-width:1080px;margin:0 auto;padding:26px 20px 10px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:26px;align-items:start}
.gen-preview-col{position:sticky;top:18px}

/* ---------- フォーム ---------- */
.fset{border:1px solid var(--line);border-radius:14px;background:#fff;padding:18px 20px 22px;margin:0 0 18px;box-shadow:0 8px 22px rgba(46,65,83,.05)}
.fset legend{font-size:14px;font-weight:800;color:var(--mc-navy);padding:0 8px;background:var(--mc-cream);border:1px solid var(--mc-cream-d);border-radius:8px}
label{display:block;font-size:13px;font-weight:600;color:#334155;margin:14px 0 6px}
.req{color:#dc2626;font-size:12px}
.opt{color:#94a3b8;font-size:11px;font-weight:500}
input[type=text],input[type=password],input[type=number],input[type=date],select{width:100%;padding:11px 13px;border:1px solid #cbd5e1;border-radius:10px;font-size:16px;outline:none;background:#fff;color:var(--ink)}
input:focus,select:focus{border-color:var(--mc-orange);box-shadow:0 0 0 3px rgba(227,144,47,.18)}
.row2{display:flex;gap:12px}
.row2>div{flex:1;min-width:0}

.type-group{display:flex;gap:8px;flex-wrap:wrap}
.radio{flex:1;min-width:84px;margin:0}
.radio input{position:absolute;opacity:0}
.radio span{display:block;text-align:center;padding:10px;border:1px solid #cbd5e1;border-radius:10px;font-size:14px;font-weight:600;color:#475569;cursor:pointer;transition:.15s}
.radio input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff}
.radio input:focus-visible+span{box-shadow:0 0 0 3px rgba(227,144,47,.25)}
.name-hint{font-size:12px;color:var(--slate);margin:6px 0 0}

/* 画像アップロード */
.img-row{display:flex;align-items:center;gap:10px}
.img-prev{width:54px;height:54px;border:1px dashed #cbd5e1;border-radius:10px;display:flex;align-items:center;justify-content:center;background:#fafafa;flex-shrink:0;overflow:hidden}
.img-prev img{max-width:100%;max-height:100%;object-fit:contain}
.img-prev:empty::after{content:"なし";font-size:11px;color:#b6bcc6}
.img-btns{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.file-input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.file-label{display:inline-block;margin:0;padding:8px 14px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;font-size:13px;font-weight:600;color:#334155;cursor:pointer}
.file-label:hover{border-color:var(--mc-orange);color:var(--mc-orange-d)}
.file-clear{padding:8px 12px;border:1px solid #f0c8c8;border-radius:9px;background:#fff;font-size:12px;color:#dc2626;cursor:pointer}

.check-row{display:flex;align-items:center;gap:9px;font-weight:500;color:#475569;font-size:13px;margin-top:18px;cursor:pointer}
.check-row input{width:17px;height:17px;accent-color:var(--mc-orange);margin:0}

/* ---------- アクション ---------- */
.gen-actions{display:flex;gap:10px;margin-bottom:14px}
.btn-primary{padding:13px 24px;border:none;border-radius:10px;background:var(--blue);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:.15s}
.btn-primary:hover{background:var(--blue-d)}
.btn-primary:disabled{opacity:.6;cursor:default}
.btn-ghost{padding:13px 22px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:#334155;font-size:15px;font-weight:600;cursor:pointer}
.btn-ghost:hover{border-color:var(--mc-orange)}
.privacy-note{font-size:12px;color:var(--slate);text-align:center;margin:14px 0 0;line-height:1.6}

/* ---------- 領収書シート（receipt-php から流用） ---------- */
.receipt-sheet{background:#fff;border:1px solid var(--mc-cream-d);border-radius:16px;box-shadow:0 18px 46px rgba(46,65,83,.13);width:100%;overflow:hidden}
.r-accentbar{height:7px;background:linear-gradient(90deg,var(--mc-orange),#f1b766,var(--mc-orange-d))}
.r-body{padding:42px 44px}
.r-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:26px;gap:16px}
.r-logo img{max-height:46px;max-width:230px;width:auto;object-fit:contain}
.r-logo .no-logo{display:block;height:46px}
.r-meta{text-align:right;flex-shrink:0}
.r-meta-label{font-size:11px;color:var(--slate);margin:0;letter-spacing:.08em}
.r-meta-date{font-size:15px;font-weight:700;color:var(--mc-navy);margin:2px 0}
.r-meta-no{font-size:11px;color:#a89c89;margin:0}

.r-title{text-align:center;margin-bottom:26px}
.r-title h1{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:34px;font-weight:700;letter-spacing:.34em;color:var(--mc-navy);margin:0 0 0 .34em}
.r-title-rule{display:block;width:66px;height:3px;margin:13px auto 0;border-radius:2px;background:linear-gradient(90deg,var(--mc-orange),var(--mc-orange-d))}

.r-customer{display:flex;align-items:baseline;gap:10px;border-bottom:2px solid var(--mc-cream-d);padding-bottom:12px;margin-bottom:26px;min-height:34px}
.r-cname{font-size:23px;font-weight:700;color:var(--ink);word-break:break-all}
.r-hon{font-size:16px;color:var(--slate)}

.r-amount-box{text-align:center;background:var(--mc-cream);border:1px solid var(--mc-cream-d);border-radius:11px;padding:22px;margin-bottom:24px}
.r-amount-label{font-size:12px;color:var(--mc-navy);font-weight:600;letter-spacing:.08em;margin:0 0 6px}
.r-amount{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:42px;font-weight:700;color:var(--mc-navy);margin:0;line-height:1.05}
.r-amount-tax{display:block;font-family:"Hiragino Kaku Gothic ProN",system-ui,sans-serif;font-size:11px;font-weight:400;color:var(--slate);margin-top:6px}
.r-tax{font-size:12px;color:var(--mc-navy);margin:12px 0 0;padding-top:10px;border-top:1px dashed var(--mc-cream-d)}
.r-tax:empty{display:none}

.r-desc{position:relative;border:1px solid var(--line);border-radius:10px;padding:26px 18px;margin-bottom:18px}
.r-desc-l{position:absolute;top:10px;left:14px;font-size:11px;color:var(--slate)}
.r-desc-r{position:absolute;bottom:10px;right:14px;font-size:11px;color:var(--slate)}
.r-desc-text{text-align:center;font-size:16px;margin:0;line-height:1.7;color:var(--ink)}
.r-confirm{text-align:center;font-size:13px;color:var(--mc-navy);letter-spacing:.05em;padding:4px 0 22px}

.r-footer{border-top:1px dashed var(--mc-cream-d);padding-top:22px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.r-company{font-size:12px;color:var(--slate);line-height:1.75}
.r-company p{margin:0}
.r-company-name{font-size:16px;font-weight:700;color:var(--mc-navy);margin-bottom:3px!important}
.r-rep{margin-top:8px!important}
.r-stamp-wrap{flex-shrink:0}
.r-stamp-wrap img{width:80px;height:80px;object-fit:contain;opacity:.95}

/* ---------- フッタ ---------- */
.gen-footer{text-align:center;padding:24px 16px 36px;color:var(--slate);font-size:12px}
.gen-footer a{color:var(--mc-orange-d);font-weight:600;text-decoration:none}
.gen-footer a:hover{text-decoration:underline}

/* ---------- レスポンシブ ---------- */
@media (max-width:860px){
  .gen-main{grid-template-columns:1fr;gap:20px}
  .gen-preview-col{position:static}
}
@media (max-width:480px){
  .row2{flex-direction:column;gap:0}
  .r-body{padding:28px 22px}
  .r-title h1{font-size:28px}
  .r-amount{font-size:32px}
  .gen-actions{flex-direction:column}
  .btn-primary,.btn-ghost{width:100%}
}

/* ---------- 印刷 ---------- */
@media print{
  .no-print{display:none!important}
  html,body,body.gen-body{background:#fff!important;background-image:none!important}
  .gen-main{display:block;padding:0;max-width:none}
  .gen-preview-col{position:static}
  .receipt-sheet{box-shadow:none;border:none;border-radius:0;max-width:none;margin:0}
}