/* =====================================================
   林材木店 共通スタイル
   ===================================================== */

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

:root {
  --wood-dark:   #3d2b1f;
  --wood-mid:    #7a5c3e;
  --wood-light:  #c8a882;
  --wood-pale:   #f5ede0;
  --wood-cream:  #faf6f0;
  --green-dark:  #2d4a2d;
  --green-mid:   #4a7c59;
  --green-light: #a8c5a0;
  --text-dark:   #1a1a1a;
  --text-mid:    #444;
  --text-light:  #888;
  --white:       #fff;
  --red:         #c0392b;
  --shadow:      0 4px 20px rgba(0,0,0,0.09);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.14);
  --radius:      6px;
  --transition:  0.22s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  font-size: 15px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ===== TYPOGRAPHY ===== */
.serif { font-family: 'Noto Serif JP', Georgia, serif; }

h1,h2,h3 { font-family: 'Noto Serif JP', Georgia, serif; line-height: 1.4; }

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--wood-mid);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--wood-dark);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.9;
  max-width: 640px;
  margin-bottom: 48px;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 40px;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
  color: var(--wood-dark);
  text-decoration: none;
  transition: opacity .25s ease;
  line-height: 1.1;
}
.site-logo:hover { opacity: .75; }

.site-logo .logo-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--wood-dark);
}

.site-logo .logo-bar {
  width: 100%;
  height: 3px;
  margin: 4px 0 3px;
  background:
    linear-gradient(90deg,
      rgba(180,130,80,0.0) 0%,
      rgba(180,130,80,0.7) 10%,
      rgba(120,80,40,0.85) 35%,
      rgba(160,110,60,0.6) 55%,
      rgba(140,90,50,0.85) 78%,
      rgba(180,130,80,0.0) 100%
    ),
    repeating-linear-gradient(90deg, rgba(80,50,20,0.15) 0 2px, transparent 2px 6px);
  border-radius: 2px;
}

.site-logo .logo-tag {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: #8a6f55;
}

@media (max-width: 480px) {
  .site-logo .logo-name { font-size: 0.98rem; letter-spacing: 0.18em; }
  .site-logo .logo-bar { height: 2px; margin: 3px 0 2px; }
  .site-logo .logo-tag { font-size: 0.54rem; letter-spacing: 0.1em; }
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.header-nav a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color var(--transition);
  white-space: nowrap;
}

.header-nav a:hover { color: var(--wood-dark); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--wood-dark);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 700;
  transition: background var(--transition);
}

.cart-btn:hover { background: var(--wood-mid); }

.cart-count {
  background: #e05c3a;
  color: #fff;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.cart-count.hidden { display: none; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--wood-dark);
  color: var(--white);
}
.btn-primary:hover { background: var(--wood-mid); }

.btn-outline {
  background: transparent;
  color: var(--wood-dark);
  border-color: var(--wood-dark);
}
.btn-outline:hover { background: var(--wood-dark); color: var(--white); }

.btn-green {
  background: var(--green-dark);
  color: var(--white);
}
.btn-green:hover { background: var(--green-mid); }

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

/* ===== PRODUCT CARD ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid #e8ddd0;
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.product-card.out-of-stock { opacity: 0.6; pointer-events: none; }

.product-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--wood-pale);
}

.product-card-body {
  padding: 16px;
}

.product-card-badges {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.67rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 0.04em;
}

.badge-grade-a { background: #fef3e2; color: #a0610a; }
.badge-grade-b { background: #eef6ee; color: #376b37; }
.badge-quality { background: #f0eaf8; color: #5b3d85; }
.badge-sale    { background: #fde8e8; color: #c0392b; }

.product-card-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--wood-dark);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-spec {
  font-size: 0.72rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.product-card-price {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--wood-dark);
  margin-bottom: 12px;
}

.product-card-price span {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-light);
}

.product-card-actions {
  display: flex;
  gap: 8px;
}

.product-card-actions .btn {
  flex: 1;
  padding: 9px 10px;
  font-size: 0.78rem;
}

/* ===== CATEGORY TABS ===== */
.cat-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.cat-tab {
  padding: 9px 20px;
  border: 2px solid #e8ddd0;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--white);
  color: var(--text-mid);
  transition: all var(--transition);
}

.cat-tab:hover,
.cat-tab.active {
  background: var(--wood-dark);
  color: var(--white);
  border-color: var(--wood-dark);
}

/* ===== FILTER BAR ===== */
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: var(--wood-cream);
  border-radius: var(--radius);
}

.filter-bar label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--wood-mid);
  white-space: nowrap;
}

.filter-select {
  padding: 7px 12px;
  border: 1px solid #d0c0b0;
  border-radius: 4px;
  font-size: 0.82rem;
  background: var(--white);
  color: var(--text-dark);
  cursor: pointer;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  font-size: 0.78rem;
  color: var(--text-light);
  padding: 16px 40px;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  align-items: center;
}

.breadcrumb a:hover { color: var(--wood-mid); }
.breadcrumb .sep { color: #ccc; }

/* ===== PAGE HERO ===== */
.page-hero {
  background: var(--wood-pale);
  padding: 48px 40px;
  text-align: center;
  border-bottom: 1px solid #e8ddd0;
}

.page-hero h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--wood-dark);
  margin-bottom: 8px;
}

.page-hero p {
  color: var(--text-mid);
  font-size: 0.88rem;
}

/* ===== CART BADGE ===== */
.cart-empty-msg {
  text-align: center;
  padding: 80px 40px;
  color: var(--text-light);
}

.cart-empty-msg svg {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  opacity: 0.3;
}

/* ===== TABLE ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #e8ddd0;
  text-align: left;
}

.data-table th {
  background: var(--wood-pale);
  font-weight: 700;
  color: var(--wood-dark);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.data-table tr:hover td { background: #faf6f0; }

/* ===== FORM ===== */
.form-group { margin-bottom: 24px; }

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--wood-dark);
  margin-bottom: 7px;
}

.form-label .req {
  font-size: 0.72rem;
  color: #e05c3a;
  margin-left: 6px;
  font-weight: 400;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e0d0c0;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--wood-mid);
}

.form-textarea { height: 130px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--wood-dark);
  color: var(--white);
  padding: 14px 22px;
  border-radius: var(--radius);
  font-size: 0.86rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ===== GALLERY GRID ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  background: var(--wood-pale);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.gallery-item:hover img { transform: scale(1.04); }

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: #fff;
  padding: 24px 16px 14px;
  font-size: 0.82rem;
  font-weight: 700;
}

/* ===== FAQ ===== */
.faq-list { max-width: 780px; }

.faq-item {
  border-bottom: 1px solid #e8ddd0;
}

.faq-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 0;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--wood-dark);
  list-style: none;
}

.faq-q::before { content: 'Q.'; color: var(--wood-mid); font-size: 1.1rem; flex-shrink: 0; }

.faq-q .arrow {
  margin-left: auto;
  flex-shrink: 0;
  transition: transform var(--transition);
  font-size: 0.75rem;
  color: var(--wood-mid);
}

.faq-item.open .faq-q .arrow { transform: rotate(180deg); }

.faq-a {
  display: none;
  padding: 0 0 22px 32px;
  color: var(--text-mid);
  font-size: 0.88rem;
  line-height: 1.9;
}

.faq-a::before { content: 'A.'; color: var(--green-mid); font-weight: 700; margin-right: 8px; }

.faq-item.open .faq-a { display: block; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--wood-dark);
  color: rgba(255,255,255,0.75);
  padding: 64px 40px 36px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 36px;
}

.footer-logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.8rem;
  line-height: 1.9;
  margin-bottom: 20px;
}

.footer-contact a {
  display: block;
  color: var(--wood-light);
  font-size: 0.82rem;
  margin-bottom: 6px;
  transition: color var(--transition);
}

.footer-contact a:hover { color: var(--white); }

.footer-nav h4 {
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.footer-nav ul { list-style: none; }

.footer-nav ul li { margin-bottom: 10px; }

.footer-nav ul a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-nav ul a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  opacity: 0.5;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--wood-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== MOBILE NAV ===== */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
}

.mobile-nav-inner {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(300px, 85vw);
  background: var(--white);
  padding: 80px 32px 40px;
  overflow-y: auto;
}

.mobile-nav.open { display: block; }

.mobile-nav-inner a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid #f0e8e0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--wood-dark);
}

.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.4rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-mid);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .section-inner { padding: 60px 20px; }
  .header-inner  { padding: 0 20px; }
  .header-nav    { display: none; }
  .hamburger     { display: flex; }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
  }

  .breadcrumb { padding: 12px 20px; }
  .page-hero  { padding: 36px 20px; }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .product-card-body { padding: 12px; }
  .product-card-price { font-size: 1rem; }
  .product-card-actions { flex-direction: column; }
}

/* ===== QUANTITY INPUT ===== */
.qty-input {
  display: flex;
  align-items: center;
  gap: 0;
  border: 2px solid #e0d0c0;
  border-radius: var(--radius);
  overflow: hidden;
  width: fit-content;
}

.qty-btn {
  width: 36px;
  height: 36px;
  background: var(--wood-pale);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--wood-mid);
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-btn:hover { background: var(--wood-light); color: var(--white); }

.qty-num {
  width: 48px;
  text-align: center;
  border: none;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--wood-dark);
  padding: 0 4px;
  background: var(--white);
  border-left: 1px solid #e0d0c0;
  border-right: 1px solid #e0d0c0;
  height: 36px;
}

.qty-num:focus { outline: none; }

/* ===== NOTICE BOX ===== */
.notice-box {
  border-left: 4px solid var(--wood-mid);
  background: var(--wood-cream);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-mid);
  margin: 20px 0;
}

.notice-box.green {
  border-color: var(--green-mid);
  background: #f0f8f0;
}

.notice-box h4 {
  font-size: 0.9rem;
  color: var(--wood-dark);
  margin-bottom: 8px;
}

/* ===== STEPS ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  margin: 40px 0;
}

.step {
  padding: 28px 24px;
  text-align: center;
  position: relative;
}

.step::after {
  content: '→';
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--wood-light);
}

.step:last-child::after { display: none; }

.step-icon {
  width: 56px;
  height: 56px;
  background: var(--wood-mid);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 1.4rem;
  color: var(--white);
}

.step-num {
  font-size: 0.68rem;
  color: var(--wood-mid);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.step h3 {
  font-size: 0.9rem;
  color: var(--wood-dark);
  margin-bottom: 8px;
}

.step p {
  font-size: 0.78rem;
  color: var(--text-mid);
  line-height: 1.7;
}

/* =====================================================
   追加スタイル（改善・新機能）
   ===================================================== */

/* ===== NAV サンプルリンク強調 ===== */
.nav-sample-link {
  background: var(--green-mid);
  color: var(--white) !important;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  transition: background var(--transition);
}
.nav-sample-link:hover { background: var(--green-dark); }

/* ===== 星評価UI ===== */
.star-rating {
  display: flex;
  gap: 2px;
  margin-bottom: 10px;
}
.star-rating .star {
  color: #f0a500;
  font-size: 1.1rem;
}
.star-rating .star-empty { color: #ddd; }
.review-score {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-left: 6px;
  vertical-align: middle;
}

/* ===== Before/After スライダー ===== */
.before-after-wrap {
  position: relative;
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  cursor: col-resize;
  user-select: none;
  box-shadow: var(--shadow-lg);
}
.before-after-wrap img {
  display: block;
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.ba-before {
  position: absolute;
  inset: 0;
  overflow: hidden;
  width: 50%;
}
.ba-before img { width: 100vw; max-width: 780px; }
.ba-label {
  position: absolute;
  top: 16px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.1em;
}
.ba-label-before { left: 12px; }
.ba-label-after { right: 12px; }
.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #fff;
  left: 50%;
  cursor: col-resize;
}
.ba-handle::before {
  content: '◀ ▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  color: var(--wood-dark);
  font-size: 0.65rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 枚数計算ツール（商品詳細） ===== */
.qty-calc-box {
  background: #f0f8f0;
  border: 1px solid var(--green-light);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 20px 0;
}
.qty-calc-box h4 {
  font-size: 0.9rem;
  color: var(--green-dark);
  margin-bottom: 14px;
  font-weight: 700;
}
.qty-calc-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.85rem;
  color: var(--text-mid);
  flex-wrap: wrap;
}
.qty-calc-row label { min-width: 90px; }
.qty-calc-input {
  width: 90px;
  padding: 6px 10px;
  border: 1px solid #c8e0c8;
  border-radius: 4px;
  font-size: 0.9rem;
  text-align: center;
}
.qty-calc-result {
  background: var(--green-dark);
  color: #fff;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 0.9rem;
  margin-top: 10px;
  line-height: 1.7;
}
.qty-calc-result strong { font-size: 1.3rem; }

/* ===== ギャラリーページ ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.gallery-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.gallery-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: var(--wood-pale);
}
.gallery-card-img-placeholder {
  width: 100%;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.gallery-card-body {
  padding: 16px;
  background: var(--white);
}
.gallery-card-tag {
  font-size: 0.72rem;
  color: var(--wood-mid);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.gallery-card-title {
  font-size: 0.95rem;
  color: var(--wood-dark);
  font-weight: 700;
  margin-bottom: 6px;
}
.gallery-card-desc {
  font-size: 0.78rem;
  color: var(--text-mid);
  line-height: 1.6;
}
@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
}

/* ===== ブログページ ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.blog-card {
  background: var(--white);
  border: 1px solid #e8ddd0;
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.blog-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--wood-pale);
}
.blog-card-img-placeholder {
  width: 100%;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.blog-card-body { padding: 20px; }
.blog-card-cat {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--green-mid);
  background: #e8f5e9;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.blog-card-title {
  font-size: 0.95rem;
  color: var(--wood-dark);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
}
.blog-card-date {
  font-size: 0.72rem;
  color: var(--text-light);
}
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* ===== 無料サンプルページ ===== */
.sample-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0;
}
.sample-step {
  background: var(--wood-cream);
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
}
.sample-step-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--wood-light);
  font-family: 'Noto Serif JP', serif;
  margin-bottom: 8px;
}
.sample-step h3 {
  font-size: 0.95rem;
  color: var(--wood-dark);
  margin-bottom: 8px;
}
.sample-step p {
  font-size: 0.8rem;
  color: var(--text-mid);
  line-height: 1.7;
}
.sample-items-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}
.sample-item-card {
  border: 2px solid #e8ddd0;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.sample-item-card.selected {
  border-color: var(--green-mid);
  background: #f0f8f0;
}
.sample-item-card input { display: none; }
.sample-item-icon { font-size: 2rem; margin-bottom: 8px; }
.sample-item-name { font-size: 0.85rem; font-weight: 700; color: var(--wood-dark); }
.sample-item-desc { font-size: 0.75rem; color: var(--text-light); margin-top: 4px; }
@media (max-width: 768px) {
  .sample-steps { grid-template-columns: 1fr; }
  .sample-items-grid { grid-template-columns: 1fr; }
}

/* ===== Schema関連（非表示） ===== */
[itemscope] { /* no visual change */ }

/* ===== グレード比較ビジュアル強化 ===== */
.grade-visual-bar {
  height: 6px;
  border-radius: 3px;
  background: #e8ddd0;
  margin: 10px 0 4px;
  overflow: hidden;
}
.grade-visual-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--wood-light), var(--wood-mid));
}

/* ===== おすすめ商品（よく一緒に） ===== */
.recommend-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px 80px;
}
.recommend-section h2 {
  font-size: 1.05rem;
  color: var(--wood-dark);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e8ddd0;
}
@media (max-width: 768px) {
  .recommend-section { padding: 0 20px 60px; }
}

/* ===== モーダル（ギャラリー拡大） ===== */
.gallery-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.82);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.gallery-modal.open { display: flex; }
.gallery-modal-content {
  max-width: 800px;
  width: 90%;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}
.gallery-modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
  z-index: 10;
}
.gallery-modal-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.gallery-modal-info {
  padding: 20px 24px;
}

/* ===== SHIPPING TABLES (static) ===== */
.shipping-tables { margin-top: 3rem; }
.shipping-tables h2 { font-size: 1.6rem; margin-bottom: 1rem; }
.shipping-tables h3 { font-size: 1.2rem; margin: 2rem 0 0.8rem; padding-left: 0.5rem; border-left: 4px solid #8b7355; }
.shipping-tables .tbl-wrap { overflow-x: auto; }
.shipping-tables table { width: 100%; border-collapse: collapse; min-width: 540px; margin-bottom: 1rem; }
.shipping-tables th, .shipping-tables td { border: 1px solid #ddd; padding: 0.6rem 0.8rem; text-align: right; font-size: 0.95rem; }
.shipping-tables th { background: #f5efe4; }
.shipping-tables td:first-child, .shipping-tables th:first-child { text-align: left; }
.shipping-tables small { color: #888; font-size: 0.82em; }
.shipping-tables .note { font-size: 0.9rem; color: #666; margin-top: 1rem; }

/* ===========================================================
   LP ANIMATIONS (added 2026-04-30)
   - 過剰演出を避け、木材・伝統・職人の世界観に合った上品な動き
   - すべて transform / opacity のみで GPU acceleration
   - prefers-reduced-motion: reduce で全アニメーション無効化
   =========================================================== */

/* スクロール連動フェードイン共通 */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease-out, transform .8s ease-out;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger（子要素を段差で表示） */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s ease-out, transform .7s ease-out;
}
.reveal-stagger.is-visible > *              { opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: .00s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: .08s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: .16s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: .24s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: .32s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: .40s; }

/* ヒーローのロード時フェードイン＋上昇（stagger） */
.hero-inner > * {
  opacity: 0;
  transform: translateY(28px);
  animation: heroFadeUp 1s ease-out forwards;
}
.hero-inner > .hero-label   { animation-delay: .15s; }
.hero-inner > .hero-title   { animation-delay: .35s; }
.hero-inner > .hero-desc    { animation-delay: .65s; }
.hero-inner > .hero-actions { animation-delay: .90s; }
@keyframes heroFadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ヒーロー画像のパララックス（PCのみ、モバイルは無効） */
@media (min-width: 769px) {
  .hero { background-attachment: fixed; }
}

/* CTAボタンの控えめなパルス（box-shadowのみ） */
.btn-pulse {
  animation: btnPulse 2.6s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(240, 217, 190, 0.55); }
  50%      { box-shadow: 0 0 0 10px rgba(240, 217, 190, 0); }
}

/* 画像・カードのホバー演出（PCのみ） */
@media (hover: hover) and (pointer: fine) {
  .gallery-card .gallery-card-img-placeholder img,
  .gallery-card .gallery-card-img-placeholder picture img {
    transition: transform .6s ease;
  }
  .gallery-card:hover .gallery-card-img-placeholder img {
    transform: scale(1.06);
  }
  .feature-card,
  .grade-card,
  .review-card,
  .blog-card {
    transition: transform .35s ease, box-shadow .35s ease;
  }
  .feature-card:hover,
  .grade-card:hover,
  .review-card:hover,
  .blog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(61, 43, 31, 0.10);
  }
}

/* 木目テクスチャ風のセクション境界（控えめな水平ライン） */
.wood-divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(122, 92, 62, 0.18) 20%,
    rgba(122, 92, 62, 0.32) 50%,
    rgba(122, 92, 62, 0.18) 80%,
    transparent 100%
  );
}

/* 数字カウントアップのチラつき防止 */
.count-up { font-variant-numeric: tabular-nums; }

/* prefers-reduced-motion: 動きを抑えたいユーザーへの配慮 */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-stagger > *,
  .hero-inner > *,
  .btn-pulse,
  .gallery-card .gallery-card-img-placeholder img,
  .feature-card, .grade-card, .review-card, .blog-card {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
  .hero { background-attachment: scroll !important; }
  .hero-scroll { animation: none !important; }
}