/* ============================================================
   関税ナビ ツール共通スタイル
   すべて #kzn-app 配下に閉じ込めてAFFINGER側のクラス名と衝突させない
   ダークモードは使わない(AFFINGERのサイト全体が明るい配色のため)
   ============================================================ */

#kzn-app{
  --kzn-paper:#F7F4EC;
  --kzn-surface:#FFFFFF;
  --kzn-ink:#1F2A3A;
  --kzn-ink-soft:#4B5568;
  --kzn-muted:#7A7362;
  --kzn-line:#DAD3C2;
  --kzn-line-strong:#C7BEA6;
  --kzn-accent:#B84A2E;
  --kzn-accent-soft:#F1DCD2;
  --kzn-good:#3D7A52;
  --kzn-good-soft:#DCEBE0;
  --kzn-warn:#9C6B1E;
  --kzn-warn-soft:#F3E6CB;
  --kzn-shadow:0 1px 2px rgba(31,42,58,.06),0 8px 24px rgba(31,42,58,.06);

  background:var(--kzn-paper);
  color:var(--kzn-ink);
  font-family:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN",sans-serif;
  line-height:1.65;
  font-size:14px;
  border:1px solid var(--kzn-line);
  border-radius:12px;
  padding:20px;
  margin:24px 0 32px;
}
#kzn-app *{box-sizing:border-box;}
/* hidden属性がgrid等のdisplay指定に負けないようにする */
#kzn-app [hidden]{display:none !important;}
#kzn-app p{margin:0 0 12px;}
#kzn-app p:last-child{margin-bottom:0;}

/* ---- 見出し。AFFINGERのh2/h3装飾を打ち消して素の見た目に戻す ---- */
#kzn-app .kzn-h{
  font-size:16px;
  font-weight:700;
  color:var(--kzn-ink);
  margin:0 0 14px;
  padding:0;
  border:none;
  background:none;
}
#kzn-app .kzn-card-title{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--kzn-muted);
  font-weight:700;
  margin:0 0 14px;
  padding:0;
  border:none;
  background:none;
}

#kzn-app .kzn-lead{color:var(--kzn-ink-soft);margin:0 0 14px;}

#kzn-app .kzn-disclaimer{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--kzn-warn-soft);
  border:1px solid #d9b877;
  border-radius:8px;padding:12px 14px;font-size:13px;color:var(--kzn-ink-soft);
  margin-bottom:18px;
}
#kzn-app .kzn-disclaimer b{color:var(--kzn-warn);}

/* ---- カード ---- */
#kzn-app .kzn-card{
  background:var(--kzn-surface);
  border:1px solid var(--kzn-line);
  border-radius:12px;
  box-shadow:var(--kzn-shadow);
  padding:18px;
}
#kzn-app .kzn-card + .kzn-card{margin-top:16px;}

/* ---- モード切り替え(関税なし/関税あり) ---- */
#kzn-app .kzn-modes{
  display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;
}
#kzn-app .kzn-mode{
  appearance:none;
  font-family:inherit;font-size:13.5px;font-weight:600;
  padding:9px 16px;border-radius:999px;cursor:pointer;
  border:1px solid var(--kzn-line-strong);
  background:var(--kzn-surface);color:var(--kzn-ink-soft);
  line-height:1.4;text-align:left;
}
#kzn-app .kzn-mode .kzn-mode-note{
  display:block;font-size:11px;font-weight:400;color:var(--kzn-muted);margin-top:1px;
}
#kzn-app .kzn-mode[aria-pressed="true"]{
  background:var(--kzn-accent-soft);
  border-color:var(--kzn-accent);
  color:var(--kzn-accent);
}
#kzn-app .kzn-mode[aria-pressed="true"] .kzn-mode-note{color:var(--kzn-accent);}
#kzn-app .kzn-mode:focus-visible{outline:2px solid var(--kzn-accent);outline-offset:2px;}

/* ---- 入力フォーム ---- */
#kzn-app .kzn-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;
}
#kzn-app .kzn-grid-3{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px;
}
#kzn-app .kzn-field{display:flex;flex-direction:column;gap:6px;}
#kzn-app .kzn-field label{font-size:13px;font-weight:600;color:var(--kzn-ink-soft);margin:0;}
#kzn-app .kzn-field input,
#kzn-app .kzn-field select{
  font-family:"SFMono-Regular",Consolas,"Noto Sans JP",monospace;
  font-size:15px;padding:9px 10px;
  border:1px solid var(--kzn-line-strong);border-radius:7px;
  background:var(--kzn-paper);color:var(--kzn-ink);width:100%;
  -webkit-appearance:none;appearance:none;
}
#kzn-app .kzn-field select{
  font-family:inherit;
  background-image:linear-gradient(45deg,transparent 50%,var(--kzn-muted) 50%),linear-gradient(135deg,var(--kzn-muted) 50%,transparent 50%);
  background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
  padding-right:30px;
}
#kzn-app .kzn-field input:focus-visible,
#kzn-app .kzn-field select:focus-visible{outline:2px solid var(--kzn-accent);outline-offset:1px;}
#kzn-app .kzn-unit{font-size:12px;color:var(--kzn-muted);}

#kzn-app .kzn-checkline{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--kzn-ink-soft);margin-top:14px;
}
#kzn-app .kzn-checkline input{width:16px;height:16px;margin:0;}

#kzn-app .kzn-hint{font-size:12.5px;color:var(--kzn-muted);margin:10px 0 0;line-height:1.75;}
#kzn-app .kzn-hint b{color:var(--kzn-ink-soft);}

/* ---- 発送方法の結果 ---- */
#kzn-app .kzn-result-head{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  margin-bottom:14px;flex-wrap:wrap;
}
#kzn-app .kzn-billweight{
  font-size:12.5px;color:var(--kzn-ink-soft);
  background:var(--kzn-paper);border:1px solid var(--kzn-line);
  border-radius:999px;padding:4px 12px;
  font-family:"SFMono-Regular",Consolas,monospace;
}
#kzn-app .kzn-methods{display:flex;flex-direction:column;gap:10px;}
#kzn-app .kzn-method{
  display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:center;
  padding:14px 16px;border:1px solid var(--kzn-line);border-radius:10px;background:var(--kzn-paper);
}
#kzn-app .kzn-method.kzn-best{border-color:var(--kzn-good);background:var(--kzn-good-soft);}
#kzn-app .kzn-method-name{font-weight:700;font-size:14.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
#kzn-app .kzn-badge{
  font-size:10.5px;font-weight:700;color:#fff;background:var(--kzn-good);
  padding:2px 8px;border-radius:999px;letter-spacing:.03em;
}
#kzn-app .kzn-method-route{font-size:12px;color:var(--kzn-muted);grid-column:1;}
#kzn-app .kzn-method-total{
  font-family:"SFMono-Regular",Consolas,monospace;font-weight:700;font-size:19px;
  font-variant-numeric:tabular-nums;grid-row:1/span 2;grid-column:2;text-align:right;white-space:nowrap;
}
#kzn-app .kzn-method-breakdown{
  grid-column:1/-1;font-size:12.5px;color:var(--kzn-ink-soft);
  font-family:"SFMono-Regular",Consolas,monospace;font-variant-numeric:tabular-nums;
  border-top:1px dashed var(--kzn-line-strong);margin-top:8px;padding-top:8px;
  display:flex;gap:14px;flex-wrap:wrap;
}
#kzn-app .kzn-method-breakdown b{color:var(--kzn-ink);font-weight:600;}

/* ---- 数値サマリ ---- */
#kzn-app .kzn-summary{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px;
}
#kzn-app .kzn-stat{background:var(--kzn-paper);border:1px solid var(--kzn-line);border-radius:10px;padding:12px 14px;}
#kzn-app .kzn-stat .kzn-k{font-size:12px;color:var(--kzn-muted);margin-bottom:4px;line-height:1.5;}
#kzn-app .kzn-stat .kzn-v{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;
}
#kzn-app .kzn-stat.kzn-total{background:var(--kzn-accent-soft);border-color:#d9a894;}
#kzn-app .kzn-stat.kzn-total .kzn-v{color:var(--kzn-accent);}

#kzn-app .kzn-banner{
  display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:9px;
  font-size:13.5px;font-weight:600;margin-bottom:16px;line-height:1.6;
}
#kzn-app .kzn-banner.kzn-free{background:var(--kzn-good-soft);color:var(--kzn-good);}
#kzn-app .kzn-banner.kzn-taxed{background:var(--kzn-warn-soft);color:var(--kzn-warn);}
#kzn-app .kzn-banner.kzn-over{background:var(--kzn-accent-soft);color:var(--kzn-accent);}

/* ---- 明細テーブル ---- */
#kzn-app .kzn-table{width:100%;border-collapse:collapse;font-size:13px;margin:4px 0 0;}
#kzn-app .kzn-table th,
#kzn-app .kzn-table td{
  text-align:left;padding:7px 8px;border-bottom:1px solid var(--kzn-line);
  color:var(--kzn-ink-soft);background:none;
}
#kzn-app .kzn-table th{font-weight:600;color:var(--kzn-muted);font-size:12px;}
#kzn-app .kzn-table td:last-child,
#kzn-app .kzn-table th:last-child{
  text-align:right;font-family:"SFMono-Regular",Consolas,monospace;font-variant-numeric:tabular-nums;
}
#kzn-app .kzn-table tr.kzn-neg td:last-child{color:var(--kzn-accent);}

/* ---- 損益シミュレーションの判定 ---- */
#kzn-app .kzn-verdict{
  margin-top:14px;border-radius:10px;padding:16px 18px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  border:2px solid var(--kzn-good);background:var(--kzn-good-soft);
}
#kzn-app .kzn-verdict.kzn-warn{border-color:var(--kzn-warn);background:var(--kzn-warn-soft);}
#kzn-app .kzn-verdict.kzn-bad{border-color:var(--kzn-accent);background:var(--kzn-accent-soft);}
#kzn-app .kzn-verdict .kzn-vlabel{font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--kzn-good);}
#kzn-app .kzn-verdict.kzn-warn .kzn-vlabel{color:var(--kzn-warn);}
#kzn-app .kzn-verdict.kzn-bad .kzn-vlabel{color:var(--kzn-accent);}
#kzn-app .kzn-verdict .kzn-vsub{font-size:12.5px;color:var(--kzn-ink-soft);margin-top:2px;}
#kzn-app .kzn-verdict .kzn-vtotal{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:24px;font-weight:700;
  color:var(--kzn-good);font-variant-numeric:tabular-nums;
}
#kzn-app .kzn-verdict.kzn-warn .kzn-vtotal{color:var(--kzn-warn);}
#kzn-app .kzn-verdict.kzn-bad .kzn-vtotal{color:var(--kzn-accent);}

/* ---- 発送方法プリセットのチップ ---- */
#kzn-app .kzn-chips{display:flex;flex-wrap:wrap;gap:8px;}
#kzn-app .kzn-chip{
  appearance:none;font-family:inherit;font-size:12.5px;padding:7px 12px;border-radius:999px;
  border:1px solid var(--kzn-line-strong);background:var(--kzn-surface);
  color:var(--kzn-ink-soft);cursor:pointer;line-height:1.35;text-align:left;
}
#kzn-app .kzn-chip[aria-pressed="true"]{background:var(--kzn-warn-soft);border-color:var(--kzn-warn);color:var(--kzn-ink);font-weight:600;}
#kzn-app .kzn-chip .kzn-chip-note{display:block;font-size:11px;color:var(--kzn-muted);margin-top:1px;}
#kzn-app .kzn-chip[aria-pressed="true"] .kzn-chip-note{color:var(--kzn-warn);}

/* ---- 他ツールへの導線 ---- */
.kzn-nav{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;
  margin:24px 0;
}
.kzn-nav a{
  display:block;padding:14px 16px;border:1px solid #DAD3C2;border-radius:10px;
  background:#FFFFFF;color:#1F2A3A;text-decoration:none;line-height:1.55;
}
.kzn-nav a:hover{border-color:#B84A2E;}
.kzn-nav a b{display:block;font-size:14.5px;font-weight:700;margin-bottom:2px;}
.kzn-nav a span{font-size:12.5px;color:#7A7362;}

#kzn-app .kzn-foot{
  margin-top:20px;padding-top:14px;border-top:1px solid var(--kzn-line);
  font-size:12px;color:var(--kzn-muted);line-height:1.8;
}

@media (max-width:520px){
  #kzn-app{padding:14px;}
  #kzn-app .kzn-card{padding:14px;}
  #kzn-app .kzn-method-total{font-size:17px;}
  #kzn-app .kzn-verdict{flex-direction:column;align-items:flex-start;}
}