/* =============================================
   CSS カスタムプロパティ（カラーパレット）
   ============================================= */
:root {
  --color-base: #FAF6F0;
  --color-text: #3A2A20;
  --color-text-deep: #2C1810;
  --color-gold: #C8A96E;
  --color-orange-start: #E8521A;
  --color-orange-end: #F4923A;
  --color-bg-side: #F3EEE8;
  --color-white: #ffffff;
  --color-green-start: #2E7D32;
  --color-green-end: #43A047;
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --content-max: 800px;
}

/* =============================================
   リセット・ベース
   ============================================= */
.sl-wrap * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sl-wrap {
  background-color: var(--color-bg-side);
  font-family: var(--font-sans);
  color: var(--color-text);
  width: 100%;
}

/* =============================================
   コンテンツ中央寄せラッパー
   ============================================= */
.sl-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  background-color: var(--color-white);
  position: relative;
}

/* =============================================
   セクション画像
   ============================================= */
.sl-section {
  display: block;
  font-size: 0;
  line-height: 0;
}

.sl-section img {
  display: block;
  width: 100%;
  height: auto;
}

/* =============================================
   CTAブロック（セクション1直下）
   ============================================= */
.sl-cta-block {
  background-color: var(--color-white);
  padding: 24px 20px 28px;
  text-align: center;
}

.sl-cta-microcopy {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--color-text);
  opacity: 0.75;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.sl-cta-btn {
  display: block;
  width: calc(100% - 40px);
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  line-height: 60px;
  border-radius: 32px;
  background: linear-gradient(90deg, var(--color-orange-start), var(--color-orange-end));
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(232, 82, 26, 0.38);
  position: relative;
  overflow: hidden;
  transition: opacity 0.2s;
}

.sl-cta-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.35) 50%, transparent 100%);
  animation: sl-shine 3s infinite 1s;
}

@keyframes sl-shine {
  0%   { left: -75%; }
  60%  { left: 125%; }
  100% { left: 125%; }
}

.sl-cta-btn:hover {
  opacity: 0.88;
}

/* =============================================
   クーポンコピーボタン
   ============================================= */
.sl-coupon-block {
  background-color: var(--color-white);
  padding: 20px 20px 0;
  text-align: center;
}

.sl-coupon-btn {
  display: inline-block;
  width: calc(100% - 40px);
  max-width: 640px;
  padding: 0 24px;
  height: 58px;
  line-height: 58px;
  border-radius: 30px;
  background: linear-gradient(90deg, var(--color-orange-start), var(--color-orange-end));
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: none;
  cursor: pointer;
  box-shadow: 0 5px 18px rgba(232, 82, 26, 0.35);
  transition: background 0.35s, box-shadow 0.35s;
  position: relative;
  overflow: hidden;
}

.sl-coupon-btn.is-copied {
  background: linear-gradient(90deg, var(--color-green-start), var(--color-green-end));
  box-shadow: 0 5px 18px rgba(46, 125, 50, 0.35);
  cursor: default;
}

/* =============================================
   FAQブロック
   ============================================= */
.sl-faq-block {
  background-color: var(--color-white);
  padding: 32px 20px 0;
}

.sl-faq-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.sl-faq-item {
  border-top: 1px solid #E8DFD5;
}

.sl-faq-item:last-child {
  border-bottom: 1px solid #E8DFD5;
}

.sl-faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: none;
  border: none;
  padding: 16px 0;
  cursor: pointer;
  text-align: left;
}

.sl-faq-q-badge {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--color-text-deep);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sl-faq-q-text {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.55;
}

.sl-faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-orange-start);
  color: var(--color-orange-start);
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}

.sl-faq-question[aria-expanded="true"] .sl-faq-icon {
  transform: rotate(45deg);
}

.sl-faq-answer-wrap {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
}

.sl-faq-answer-wrap.is-open {
  max-height: 300px;
}

.sl-faq-answer {
  padding: 0 0 16px 38px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.75;
  opacity: 0.85;
}

/* =============================================
   商品選択エリア
   ============================================= */
#product-selection {
  background-color: var(--color-white);
  padding: 24px 20px 40px;
}

/* =============================================
   レスポンシブ調整
   ============================================= */
@media (max-width: 480px) {
  .sl-cta-btn {
    font-size: 15px;
    height: 56px;
    line-height: 56px;
  }
  .sl-faq-title {
    font-size: 18px;
  }
}