.cart-main { max-width: 940px; margin: 0 auto; padding: 48px 28px 90px; }
.cart-rows { margin-top: 30px; border-top: 1px solid #e0ddd6; }
.cart-row { display: grid; grid-template-columns: 148px 1fr 150px; gap: 22px; padding: 26px 0; border-bottom: 1px solid #e0ddd6; }
.cart-thumb { aspect-ratio: 1; background: #f9f8f5; display: flex; align-items: center; justify-content: center; overflow: hidden; border: 1px solid #e0ddd6; }
.cart-thumb img { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; }
.cart-name { font-size: 14px; letter-spacing: .05em; }
.cart-alloy { margin-top: 5px; font-size: 11px; color: #9a9590; letter-spacing: .05em; }
.cart-repriced { margin-top: 10px; padding: 7px 10px; background: #f4f7fd; border: 1px solid #d4e0f5; font-size: 11px; color: #2b5fd4; }
.cart-size { margin-top: 16px; }
.cart-size label { display: block; font-size: 11px; color: #5a5750; letter-spacing: .05em; margin-bottom: 6px; }
.cart-req { margin-left: 7px; padding: 1px 6px; background: #c0392b; color: #fff; font-size: 9px; letter-spacing: .08em; }
.cart-size select { width: 240px; max-width: 100%; padding: 9px 10px; border: 1px solid #e0ddd6; background: #fff; font-size: 13px; border-radius: 2px; }
.cart-size.is-need select { border-color: #c0392b; background: #fdf3f2; }
.cart-memo { margin-top: 14px; }
.cart-memo label { display: block; font-size: 11px; color: #9a9590; margin-bottom: 5px; letter-spacing: .04em; }
.cart-memo-in { width: 100%; padding: 9px 10px; border: 1px solid #e0ddd6; font-size: 12px; font-family: inherit; line-height: 1.7; resize: vertical; border-radius: 2px; }
.cart-memo-st { font-size: 10px; color: #1a7a3a; }
.cart-side { text-align: right; }
.cart-price { font-size: 17px; letter-spacing: .04em; }
.cart-del { margin-top: 16px; background: none; border: none; padding: 0; font-size: 11px; color: #9a9590; text-decoration: underline; cursor: pointer; }
.cart-del:hover { color: #c0392b; }
.cart-foot { margin-top: 34px; padding: 26px 28px; background: #f9f8f5; border: 1px solid #e0ddd6; }
.cart-sum { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; letter-spacing: .06em; }
.cart-sum strong { font-size: 23px; font-weight: 500; }
.cart-block { margin-top: 16px; padding: 11px 13px; background: #fdf3f2; border: 1px solid #f0c8c2; font-size: 12px; color: #c0392b; line-height: 1.7; }
.cart-next { margin-top: 20px; width: 100%; padding: 15px; background: #1a1916; color: #fff; border: none; font-size: 13px; letter-spacing: .1em; cursor: pointer; border-radius: 2px; }
.cart-next:disabled { background: #cdcac4; cursor: not-allowed; }
.cart-note-guest { margin: 14px 0 0; font-size: 11px; line-height: 1.8; color: #5a5750; }
.cart-empty { padding: 70px 0; text-align: center; }
.cart-empty p { font-size: 13px; color: #5a5750; margin-bottom: 22px; }
.cart-empty .clr-btn-line { display: inline-block; padding: 12px 34px; }
.cart-err { padding: 40px 0; text-align: center; color: #c0392b; font-size: 13px; }
@media (max-width: 700px) {
  .cart-row { grid-template-columns: 96px 1fr; }
  .cart-side { grid-column: 2; text-align: left; display: flex; align-items: center; gap: 20px; }
  .cart-del { margin-top: 0; }
}

/* ─── 会員割引 / 合計 (S4) ─── */
.cart-sum-disc{color:#8a7a4a}
.cart-sum-disc strong{color:#8a7a4a;font-weight:500}
.cart-sum-total{
  border-top:1px solid #e6e6e2;margin-top:8px;padding-top:12px;
}
.cart-sum-total strong{font-size:19px;letter-spacing:.02em}

/* ─── 非会員向け 会員登録導線 ─── */
.cart-join{
  margin:18px 0 4px;padding:18px 18px 16px;
  background:#faf9f6;border:1px solid #ece7dc;border-radius:2px;text-align:center;
}
.cart-join[hidden]{display:none}
.cart-join-lead{margin:0 0 4px;font-size:13.5px;color:#4a4a4a;letter-spacing:.03em}
.cart-join-lead strong{color:#8a7a4a;font-size:17px;font-weight:500;letter-spacing:.02em}
.cart-join-sub{margin:0 0 14px;font-size:11px;color:#9a9a9a;letter-spacing:.03em}
.cart-join-btn{
  display:block;padding:11px;background:#1a1a1a;color:#fff;
  font-size:12.5px;letter-spacing:.1em;text-decoration:none;border-radius:2px;
  transition:opacity .2s;
}
.cart-join-btn:hover{opacity:.82}
.cart-join-link{
  display:inline-block;margin-top:11px;font-size:11.5px;color:#8a8a8a;
  text-decoration:none;border-bottom:1px solid #ddd;
}
.cart-join-link:hover{color:#1a1a1a}

/* 個別行の会員価格（S5-2） */
.cart-price.is-off{ color:#9a9590; text-decoration:line-through; font-size:13px; }
.cart-price-m{ color:#8a7a4a; font-size:15px; font-weight:500; margin-top:2px; }