/* ===== PCA トップページ試作 styles ===== */
:root {
  --bg: #FDF8F5;
  --card: #FFFFFF;
  --accent: #D98E96;
  --accent-dark: #B96A73;
  --text: #4A3F3F;
  --lavender: #EDE6F2;
  --shadow: 0 8px 24px rgba(185, 106, 115, 0.10);
  --shadow-hover: 0 14px 32px rgba(185, 106, 115, 0.18);
  --radius: 20px;
  --radius-lg: 24px;
  --maxw: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Zen Maru Gothic", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

.logo-mark { font-family: "Quicksand", sans-serif; font-weight: 700; letter-spacing: 0.06em; }
.logo-sub { font-family: "Quicksand", sans-serif; font-weight: 500; letter-spacing: 0.14em; }

/* ===== 共通セクション ===== */
section { padding: 48px 20px; }
.section-title {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
}
.section-head { max-width: var(--maxw); margin: 0 auto 28px; text-align: center; }
.section-lead { margin-top: 8px; color: var(--accent-dark); font-size: 0.95rem; }
.section-more { text-align: center; margin-top: 32px; }

/* ===== ボタン ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline {
  background: transparent;
  color: var(--accent-dark);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.btn-line {
  background: #06C755;
  color: #fff;
  box-shadow: 0 8px 20px rgba(6, 199, 85, 0.25);
}
.btn-line:hover { transform: translateY(-2px); filter: brightness(1.05); }

/* ===== 1. プレビュー帯 ===== */
.preview-bar {
  background: var(--lavender);
  color: var(--accent-dark);
  text-align: center;
  font-size: 0.75rem;
  padding: 6px 12px;
  letter-spacing: 0.02em;
}
.preview-bar a { text-decoration: underline; font-weight: 700; }

/* ===== 2. アナウンスバー ===== */
.announce-bar {
  background: var(--accent);
  color: #fff;
  text-align: center;
  font-size: 0.82rem;
  padding: 8px 12px;
  letter-spacing: 0.02em;
}

/* ===== 3. ヘッダー ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(253, 248, 245, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(185, 106, 115, 0.08);
}
.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}
.logo { display: flex; flex-direction: column; line-height: 1.1; }
.logo .logo-mark { font-size: 1.6rem; color: var(--accent-dark); }
.logo .logo-sub { font-size: 0.6rem; color: var(--accent); margin-top: 2px; }
.nav { display: flex; gap: 26px; }
.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  transition: color 0.2s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.nav a:hover { color: var(--accent-dark); }
.nav a:hover::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--accent-dark);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 4. ヒーロー ===== */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 56px 20px;
}
.hero-copy { flex: 1; }
.hero-title {
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
}
.hero-sub { margin: 20px 0 28px; color: var(--accent-dark); font-size: 1rem; }
.hero-collage {
  flex: 1;
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-collage img {
  position: absolute;
  width: 180px;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  background: var(--card);
}
.hero-collage img:nth-child(1) { transform: rotate(-8deg) translateX(-90px) translateY(10px); z-index: 1; }
.hero-collage img:nth-child(2) { transform: rotate(3deg) translateY(-14px); z-index: 3; }
.hero-collage img:nth-child(3) { transform: rotate(10deg) translateX(90px) translateY(20px); z-index: 2; }

/* ===== 5. 機種セレクタ ===== */
.models { background: var(--lavender); }
.chip-scroller {
  max-width: var(--maxw);
  margin: 24px auto 0;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 6px 4px 12px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.chip {
  flex: 0 0 auto;
  background: #fff;
  color: var(--accent-dark);
  border: 1.5px solid rgba(185, 106, 115, 0.25);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.chip:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }

/* ===== 6. テイストで探す ===== */
.taste-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.taste-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  background: var(--card);
}
.taste-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.taste-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.taste-card:hover img { transform: scale(1.06); }
.taste-card .taste-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 12px 12px;
  background: linear-gradient(to top, rgba(74, 63, 63, 0.55), transparent);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ===== 7 & 8. 商品グリッド ===== */
.product-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.ranking-grid { grid-template-columns: repeat(3, 1fr); }
.product-card {
  position: relative;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.product-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--lavender);
}
.product-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-thumb img { transform: scale(1.05); }
.rank-badge {
  position: absolute;
  top: 10px; left: 10px;
  width: 34px; height: 34px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: var(--shadow);
}
.product-info { padding: 12px 14px 16px; }
.product-name {
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}
.product-price {
  margin-top: 8px;
  font-family: "Quicksand", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-dark);
}
.product-price .tax { font-size: 0.72rem; font-weight: 500; color: var(--text); margin-left: 4px; }

/* ===== 9. 安心バッジ帯 ===== */
.assurance { background: var(--lavender); }
.assurance-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.assurance-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px 12px;
  box-shadow: var(--shadow);
}
.assurance-icon { font-size: 1.8rem; margin-bottom: 8px; }
.assurance-item p { font-size: 0.85rem; line-height: 1.5; }
.assurance-item strong { color: var(--accent-dark); }

/* ===== 10. SNS ===== */
.sns-follow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 28px;
}
.sns-btn {
  padding: 10px 24px;
  border-radius: 999px;
  border: 1.5px solid var(--accent);
  color: var(--accent-dark);
  font-weight: 500;
  font-size: 0.9rem;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.sns-btn:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.sns-collage {
  max-width: var(--maxw);
  margin: 0 auto;
  columns: 3;
  column-gap: 12px;
}
.sns-collage img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  break-inside: avoid;
  transition: transform 0.25s ease;
}
.sns-collage img:hover { transform: scale(1.03); }

/* ===== 11. LINE CTA ===== */
.line-cta { background: var(--accent); padding: 56px 20px; }
.line-cta-inner { max-width: 640px; margin: 0 auto; text-align: center; color: #fff; }
.line-cta-title { font-size: clamp(1.4rem, 4vw, 1.9rem); font-weight: 700; line-height: 1.4; }
.line-cta-sub { margin: 14px 0 26px; font-size: 0.95rem; opacity: 0.95; }

/* ===== 12. フッター ===== */
.footer { background: #fff; border-top: 1px solid rgba(185, 106, 115, 0.1); }
.footer-inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.footer-brand { margin-bottom: 18px; }
.footer-brand .logo-mark { font-size: 1.4rem; color: var(--accent-dark); }
.footer-brand .logo-sub { display: block; font-size: 0.6rem; color: var(--accent); margin-top: 2px; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  margin-bottom: 20px;
}
.footer-links a { font-size: 0.85rem; color: var(--text); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-dark); text-decoration: underline; }
.footer-copy { font-size: 0.75rem; color: var(--accent); }

/* ===== 13. モバイル固定ボトムバー ===== */
.bottom-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(185, 106, 115, 0.12);
  box-shadow: 0 -6px 18px rgba(185, 106, 115, 0.1);
}
.bottom-bar a {
  flex: 1;
  text-align: center;
  padding: 14px 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-dark);
}
.bottom-bar a + a { border-left: 1px solid rgba(185, 106, 115, 0.12); }

/* ===== スクロール出現アニメーション ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== レスポンシブ：タブレット ===== */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .ranking-grid { grid-template-columns: repeat(3, 1fr); }
  .taste-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===== レスポンシブ：モバイル ===== */
@media (max-width: 640px) {
  section { padding: 36px 16px; }
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(253, 248, 245, 0.98);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(185, 106, 115, 0.1);
    padding: 8px 20px 16px;
  }
  .nav.open a { padding: 12px 0; border-bottom: 1px solid rgba(185, 106, 115, 0.08); }
  .nav.open a::after { display: none; }
  .hamburger { display: flex; }

  .hero { flex-direction: column; text-align: center; padding: 36px 16px 24px; gap: 24px; }
  .hero-collage { min-height: 300px; width: 100%; }
  .hero-collage img { width: 150px; height: 200px; }
  .hero-collage img:nth-child(1) { transform: rotate(-8deg) translateX(-72px) translateY(10px); }
  .hero-collage img:nth-child(3) { transform: rotate(10deg) translateX(72px) translateY(20px); }

  .taste-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .ranking-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .assurance-grid { grid-template-columns: repeat(2, 1fr); }
  .sns-collage { columns: 2; }

  .bottom-bar { display: flex; }
  body { padding-bottom: 56px; }
}