/* ============================================
   NICOBAY Coupon Modal v2
   - 残枚数表示を廃止
   - 「先着100名様限定」を強調表示
   - 有効期限切れの挙動に対応
   フォント: Poppins(英) + Noto Sans JP(和)
   カラー: ブランドグリーン #138808
   ============================================ */

/* スコープを .coupon-modal に限定し、テーマのCSS変数（--nicobay-*）を汚染しないこと */
.coupon-modal {
  --cm-green: #138808;
  --cm-green-dark: #0f6e06;
  --cm-green-light: #e8f5e6;
  --cm-red: #d6322c;
  --cm-red-light: #fff2f1;
  --cm-font: var(--font-body-family);
}

.coupon-modal {
  position: fixed;
  inset: 0;
  /* 巨大値でテーマのstickyヘッダー・各種スタッキングコンテキストより確実に前面へ */
  z-index: 2147483000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  font-family: var(--cm-font);
  /* 独自スタッキングコンテキストを確実に生成 */
  isolation: isolate;
  will-change: opacity;
}

/* モーダル開放中はテーマのstickyヘッダー類を背面に追いやる
   ※テーマ側のz-indexは最大1000程度。ここで0以下にすることでオーバーレイが必ず前面に出る */
html.coupon-modal-open .nicobay-campaign-bar,
html.coupon-modal-open nicobay-campaign-bar,
html.coupon-modal-open .site-header,
html.coupon-modal-open .nicobay-header,
html.coupon-modal-open .header-wrapper,
html.coupon-modal-open sticky-header,
html.coupon-modal-open .shopify-section-header,
html.coupon-modal-open #shopify-section-header,
html.coupon-modal-open [id^="shopify-section-"][id$="__header"],
html.coupon-modal-open [id^="shopify-section-"][id$="__announcement-bar"],
html.coupon-modal-open header.header {
  z-index: 0 !important;
  /* sticky解除して、モーダルと重ならないようにする */
  position: static !important;
}

/* モーダル本体は常に最前面 */
html.coupon-modal-open #coupon-modal,
html.coupon-modal-open .coupon-modal {
  z-index: 2147483000 !important;
}

.coupon-modal,
.coupon-modal * {
  font-family: var(--cm-font);
}

.coupon-modal.is-open {
  display: flex;
  animation: couponModalFadeIn 0.3s ease;
}

@keyframes couponModalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.coupon-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.coupon-modal__dialog {
  position: relative;
  width: 100%;
  max-width: 420px;
  max-height: 92vh;
  overflow-y: auto;
  background: #ffffff;
  color: #111111;
  border-radius: 4px;
  padding: 32px 28px 28px;
  text-align: center;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
  animation: couponModalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border-top: 4px solid var(--cm-green);
}

/* 同時には片方のみ表示 */
.coupon-modal__dialog[hidden] { display: none; }

@keyframes couponModalSlideUp {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.coupon-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: #111111;
  cursor: pointer;
  padding: 0;
  border-radius: 50%;
  transition: background 0.2s ease;
}

.coupon-modal__close:hover {
  background: #f2f2f2;
}

.coupon-modal__brand {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 0 18px;
}

.coupon-modal__brand img {
  max-width: 180px;
  height: auto;
  display: block;
}

.coupon-modal__badge {
  display: inline-block;
  background: var(--cm-green);
  color: #ffffff;
  padding: 6px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin-bottom: 18px;
  border-radius: 2px;
  font-family: var(--font-heading-family);
}

.coupon-modal__title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 18px;
  color: #111111;
  letter-spacing: 0.02em;
}

.coupon-modal__discount-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin: 0 0 8px;
  line-height: 1;
}

.coupon-modal__discount-percent {
  font-family: var(--font-heading-family);
  font-size: 76px;
  font-weight: 800;
  color: var(--cm-green);
  letter-spacing: -0.04em;
  line-height: 1;
}

.coupon-modal__discount-unit {
  font-family: var(--font-heading-family);
  font-size: 42px;
  font-weight: 800;
}

.coupon-modal__discount-label {
  font-family: var(--font-heading-family);
  font-size: 30px;
  font-weight: 800;
  color: var(--cm-green);
  letter-spacing: 0.04em;
}

.coupon-modal__description {
  font-size: 14px;
  line-height: 1.6;
  color: #333333;
  margin: 0 0 18px;
  padding: 0 4px;
}

/* ============================================
   先着限定 強調表示（Case A: テープ風）
   上部に細い黒バー、下にミニマルな本文
   ============================================ */
.coupon-modal__limited {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: center;
  border: 1px solid #e5e5e5;
  border-radius: 2px;
  overflow: hidden;
  margin: 0 0 18px;
}

.coupon-modal__limited-tape {
  background: #111111;
  color: #ffffff;
  font-family: var(--font-heading-family);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.32em;
  padding: 5px 0;
  text-indent: 0.32em;
}

.coupon-modal__limited-body {
  padding: 12px 14px 14px;
}

.coupon-modal__limited-headline {
  font-size: 15px;
  font-weight: 700;
  color: #111111;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.coupon-modal__limited-headline .num {
  font-family: var(--font-heading-family);
  font-size: 18px;
  font-weight: 800;
  color: var(--cm-green);
  margin: 0 2px;
}

.coupon-modal__limited-sub {
  font-size: 11px;
  font-weight: 500;
  color: #888888;
  line-height: 1.5;
  margin-top: 4px;
  letter-spacing: 0.04em;
}

/* ============================================
   有効期限
   ============================================ */
.coupon-modal__expiry {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid #eaeaea;
  border-bottom: 1px solid #eaeaea;
  padding: 12px 4px;
  margin-bottom: 14px;
  font-size: 13px;
}

.coupon-modal__expiry-label {
  color: #666666;
  font-weight: 500;
}

.coupon-modal__expiry-value {
  color: #111111;
  font-weight: 700;
  text-align: right;
}

/* ============================================
   自動適用
   ============================================ */
.coupon-modal__auto-apply {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--cm-green-light);
  padding: 10px 12px;
  border-radius: 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cm-green-dark);
  margin-bottom: 18px;
}

.coupon-modal__auto-apply svg {
  flex-shrink: 0;
  color: var(--cm-green);
}

/* ============================================
   CTA
   ============================================ */
.coupon-modal__cta {
  display: block;
  width: 100%;
  padding: 16px 20px;
  background: var(--cm-green);
  color: #ffffff;
  border: none;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s ease, transform 0.1s ease;
  margin-bottom: 12px;
}

.coupon-modal__cta:hover { background: var(--cm-green-dark); }
.coupon-modal__cta:active { transform: scale(0.99); }

.coupon-modal__terms {
  font-size: 10px;
  color: #999999;
  margin: 0;
  line-height: 1.5;
}

/* ============================================
   期限切れビュー
   ============================================ */
.coupon-modal__dialog--expired {
  border-top: 4px solid #999999;
}

.coupon-modal__expired-icon {
  display: flex;
  justify-content: center;
  color: #999999;
  margin: 16px 0 18px;
}

.coupon-modal__expired-text {
  font-size: 13px;
  line-height: 1.7;
  color: #555555;
  margin: 0 0 22px;
  text-align: left;
  padding: 0 4px;
}

.coupon-modal__dialog--expired .coupon-modal__cta {
  background: #444444;
}

.coupon-modal__dialog--expired .coupon-modal__cta:hover {
  background: #222222;
}

/* ============================================
   Mobile
   ============================================ */
@media (max-width: 480px) {
  .coupon-modal__dialog {
    padding: 28px 22px 22px;
    max-width: 100%;
  }
  .coupon-modal__brand img { max-width: 150px; }
  .coupon-modal__title { font-size: 18px; }
  .coupon-modal__discount-percent { font-size: 62px; }
  .coupon-modal__discount-unit { font-size: 34px; }
  .coupon-modal__discount-label { font-size: 26px; }
  .coupon-modal__description { font-size: 13px; }
  .coupon-modal__limited-body { padding: 11px 12px 13px; }
  .coupon-modal__limited-headline { font-size: 14px; }
  .coupon-modal__limited-headline .num { font-size: 17px; }
}