*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  background: #fff;
  color: #222;
  -webkit-text-size-adjust: 100%;
  min-width: 320px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ── WRAPPER ── */
.wrapper { max-width: 640px; margin: 0 auto; }

@media (min-width: 900px) {
  .wrapper {
    max-width: 640px;
    margin: 0 auto;
  }
  body {
    background: #f0f2ff;
  }
  .wrapper {
    background: #fff;
    box-shadow: 0 0 40px rgba(181,190,251,0.25);
  }
}

/* ── HEADER ── */
.site-header {
  padding: 28px 20px 10px;
  text-align: center;
}
.logo-area img { width: 200px; margin: 0 auto; }
.logo-fallback {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #333;
  line-height: 1;
}
.logo-fallback .accent { color: #b5befb; }

/* ── PURCHASE BUTTONS ── */
.buy-area {
  padding: 18px 16px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.btn-buy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 20px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  transition: opacity 0.2s, transform 0.15s;
  cursor: pointer;
}
.btn-buy:active { transform: scale(0.98); opacity: 0.85; }
.btn-buy .store-icon { font-size: 17px; flex-shrink: 0; }
.btn-buy .arrow { margin-left: auto; font-size: 13px; opacity: 0.7; }

.btn-qoo10  { background: #b5befb; color: #1a1a4e; box-shadow: 0 4px 16px rgba(181,190,251,0.5); }
.btn-rakuten { background: #c8d0fc; color: #1a1a4e; box-shadow: 0 4px 16px rgba(181,190,251,0.4); }
.btn-amazon  { background: #d8defe; color: #1a1a4e; box-shadow: 0 4px 16px rgba(181,190,251,0.35); }
.btn-yahoo   { background: #e6eaff; color: #1a1a4e; box-shadow: 0 4px 16px rgba(181,190,251,0.3); }

/* ── BRAND HEADING ── */
.brand-heading {
  text-align: center;
  padding: 22px 20px 0;
  font-size: 14px;
  font-weight: 700;
  color: #333;
  letter-spacing: 0.05em;
  line-height: 1.6;
}

/* ── SNS ── */
.sns-area { padding: 10px 20px 0; text-align: center; }
.sns-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #7a86e8;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(181,190,251,0.6);
  padding-bottom: 1px;
  transition: color 0.2s;
}
.sns-link:hover { color: #5a66c8; }
.sns-link::before { content: '📸'; font-size: 13px; }

/* ════════════════════════════
   縦長 LP 画像エリア
   genz_lp1〜7.jpg を縦に積む（スライドなし）
   ════════════════════════════ */
.lp-long-area {
  margin-top: 20px;
  width: 100%;
  line-height: 0;
}
.lp-long-area img {
  width: 100%;
  height: auto;
  display: block;
}
.lp-ph {
  width: 100%;
  aspect-ratio: 9/16;
  background: linear-gradient(170deg, #eef0ff 0%, #d8dcfd 50%, #c8cefc 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  line-height: 1;
}
.lp-ph .ph-logo { font-size: 36px; font-weight: 900; color: rgba(90,102,200,0.45); letter-spacing: -0.02em; }
.lp-ph .ph-label { font-size: 11px; color: rgba(90,102,200,0.4); letter-spacing: 0.14em; text-transform: uppercase; }

/* ════════════════════════════
   サムネイル横スライダー
   genz_thumb1〜7.jpg（LP画像とは別画像）
   ════════════════════════════ */
.thumb-slider-wrap { margin-top: 0; }

/* メイン表示（サムネクリックで切り替わる） */
.main-thumb-view {
  overflow: hidden;
  background: #f0f2ff;
  line-height: 0;
}
.main-thumb-view .main-slides {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1);
}
.main-thumb-view .main-slide { min-width: 100%; }
.main-thumb-view .main-slide img { width: 100%; height: auto; display: block; }
.main-slide-ph {
  width: 100%; aspect-ratio: 3/4;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background: linear-gradient(155deg,#eef0ff,#d8dcfd,#c8cefc); line-height: 1;
}
.main-slide-ph .ph-logo { font-size: 28px; font-weight: 900; color: rgba(90,102,200,0.4); }
.main-slide-ph .ph-label { font-size: 10px; color: rgba(90,102,200,0.35); letter-spacing: 0.14em; text-transform: uppercase; }

/* サムネイル横並び */
.thumb-nav {
  display: flex;
  gap: 6px;
  padding: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  background: #fff;
}
.thumb-nav::-webkit-scrollbar { display: none; }
.thumb-item {
  flex-shrink: 0;
  width: calc((100% - 6px * 6) / 7);
  min-width: 44px;
  aspect-ratio: 3/4;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s, opacity 0.2s;
  opacity: 0.55;
  background: #eef0ff;
  line-height: 0;
}
.thumb-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb-item.active { border-color: #b5befb; opacity: 1; }
.thumb-item:hover { opacity: 0.85; }
.thumb-ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; color: rgba(90,102,200,0.4);
  background: linear-gradient(155deg,#eef0ff,#d8dcfd);
  aspect-ratio: 3/4;
}

/* ── COLOR BAND ── */
.color-band {
  height: 4px;
  background: linear-gradient(90deg, #b5befb 0%, #d0d6fd 50%, #b5befb 100%);
  margin-top: 28px;
}

/* ── SECTIONS ── */
.section { padding: 36px 20px 0; }

.section-title {
  font-size: 17px;
  font-weight: 700;
  color: #333;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #b5befb;
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 36px; height: 2px;
  background: #7a86e8;
}

/* おすすめ */
.recommend-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.recommend-list li {
  font-size: 14px;
  line-height: 1.75;
  color: #333;
  padding-left: 18px;
  position: relative;
}
.recommend-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #b5befb;
}
.recommend-list li strong { color: #3a3a7a; font-weight: 700; display: block; margin-bottom: 2px; }

/* 口コミ */
.review-intro { font-size: 14px; line-height: 1.8; color: #444; margin-bottom: 18px; }
.review-list { border-top: 1px solid #e4e8fd; }
.review-item { border-bottom: 1px solid #e4e8fd; padding: 16px 0; }
.review-tag {
  display: inline-block;
  background: #eef0ff;
  color: #5a66c8;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.review-item p { font-size: 13px; line-height: 1.8; color: #555; }
.review-item p .quote { color: #7a86e8; font-weight: 500; }

/* スペック */
.spec-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.spec-table tr { border-bottom: 1px solid #e4e8fd; }
.spec-table tr:first-child { border-top: 1px solid #e4e8fd; }
.spec-table th {
  text-align: left;
  font-weight: 700;
  color: #5a66c8;
  padding: 12px 14px;
  width: 38%;
  background: #f6f7ff;
  font-size: 12px;
  letter-spacing: 0.03em;
  vertical-align: top;
}
.spec-table td { padding: 12px 14px; color: #333; line-height: 1.7; }

/* 注意事項 */
.caution-title { font-size: 14px; font-weight: 700; color: #333; margin-bottom: 12px; }
.caution-list { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.caution-list li {
  font-size: 12px; line-height: 1.7; color: #666;
  padding-left: 14px; position: relative;
}
.caution-list li::before { content: '・'; position: absolute; left: 0; color: #b5befb; }

/* 会社情報 */
.company-title { font-size: 14px; font-weight: 700; color: #333; margin-bottom: 12px; }
.company-list { list-style: none; border-top: 1px solid #e4e8fd; }
.company-list li {
  padding: 11px 0;
  font-size: 12px; line-height: 1.7; color: #555;
  border-bottom: 1px solid #e4e8fd;
  display: flex; gap: 0;
}
.company-key { font-weight: 700; color: #5a66c8; width: 130px; flex-shrink: 0; font-size: 11px; }

/* ── FOOTER ── */
footer {
  margin-top: 50px;
  padding: 22px 20px 40px;
  background: #b5befb;
  text-align: center;
}
@media (min-width: 900px) {
  footer {
    background: #f0f2ff;
  }
  footer .footer-inner {
    max-width: 640px;
    margin: 0 auto;
    background: #b5befb;
    padding: 22px 20px 40px;
  }
}
.footer-logo { font-size: 22px; font-weight: 900; color: #fff; letter-spacing: -0.02em; margin-bottom: 6px; }
.footer-logo span { color: #3a3a7a; }
.copyright { font-size: 11px; color: rgba(255,255,255,0.7); letter-spacing: 0.08em; margin-top: 6px; }

@media (max-width: 480px) {
  .brand-heading { font-size: 13px; }
  .btn-buy { font-size: 14px; padding: 14px 18px; }
}