/* Utilities & Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

/* Header & Glassmorphism */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  display: flex;
  align-items: center;
  height: 4rem;
  gap: var(--spacing-md);
}

.brand {
  font-weight: 800;
  font-size: clamp(1.05rem, 3.5vw, 1.25rem);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-right: auto;
  white-space: nowrap;
}

.brand-icon {
  color: var(--color-amazon-orange);
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.theme-toggle:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.theme-toggle-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.theme-toggle-icon::before {
  content: '🌙';
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .theme-toggle-icon::before {
    content: '🌞';
  }
}

[data-theme="light"] .theme-toggle-icon::before {
  content: '🌙';
}

[data-theme="dark"] .theme-toggle-icon::before {
  content: '🌞';
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  background: var(--bg-gradient-hero);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  text-align: center;
}

@media (min-width: 960px) {
  .hero-content {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2xl);
    text-align: left;
  }
}

.hero-image {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  width: 100%;
  max-width: 280px;
  height: auto;
}

@media (min-width: 768px) {
  .hero-image img {
    max-width: 320px;
  }
}

@media (min-width: 1024px) {
  .hero-image img {
    max-width: 360px;
  }
}

.hero-description {
  max-width: 600px;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-main);
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.05rem;
  }
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

@media (min-width: 768px) {
  .hero p {
    font-size: 1.05rem;
  }
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card-image {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: #ffffff;
  height: 250px;
}

.card-content {
  padding: 1.0rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--bg-tag);
  color: var(--text-tag);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  width: fit-content;
  text-decoration: none;
  transition: var(--transition-base);
}

.card-tag:hover {
  background-color: var(--color-primary);
  color: white;
}

.card-tag-sub {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background-color: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 500;
  margin-left: 0.25rem;
  margin-bottom: var(--spacing-sm);
}

/* Specs in Card */
.card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.card-spec-tag {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  background: var(--bg-tag);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  white-space: nowrap;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-main);
}

.card-excerpt {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
  flex: 1;
}

.card-meta-ext {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  font-size: 0.9em;
}

.card-score {
  font-weight: 700;
  font-size: 0.9em;
  padding: 2px 6px;
  border-radius: 4px;
  /* Default styling (fallback) */
  color: #ca8a04;
  background: #fef9c3;
}

[data-theme="dark"] .card-score {
  color: #fde047;
  background: rgba(234, 179, 8, 0.2);
}

/* Dynamic Score Colors */
.card-score.score-excellent {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 1px 2px rgba(16, 185, 129, 0.2);
}

.card-score.score-good {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  box-shadow: 0 1px 2px rgba(245, 158, 11, 0.2);
}

.card-score.score-fair {
  background: linear-gradient(135deg, #6b7280, #4b5563);
  color: white;
  box-shadow: 0 1px 2px rgba(107, 114, 128, 0.2);
}

/* Pickup Card specific overrides if needed (currently sharing same class) */
.pickup-card-score {
  /* inherit from card-score conceptually, but currently duplicate styles were used. 
     We should ensure pickup-card-score also gets these modifiers if it uses them, 
     or just map these modifiers to pickup-card-score as well. 
     For now, let's treat pickup-card-score as a separate class that might need similar rules 
     OR we will update the HTML to use card-score everywhere. 
     The HTML analysis showed pickup-card-score is used in index.html.
     Let's add rules for pickup-card-score as well for safety. */
  font-weight: 700;
  font-size: 0.9em;
  padding: 2px 6px;
  border-radius: 4px;
  color: #ca8a04;
  background: #fef9c3;
}

[data-theme="dark"] .pickup-card-score {
  color: #fde047;
  background: rgba(234, 179, 8, 0.2);
}

.pickup-card-score.score-excellent {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.pickup-card-score.score-good {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.pickup-card-score.score-fair {
  background: linear-gradient(135deg, #6b7280, #4b5563);
  color: white;
}

.card-price {
  font-weight: bold;
  color: var(--color-text-main);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.read-more {
  font-weight: 600;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Card Footer Amazon Button */
.card-footer .btn-amazon-small {
  margin-top: 0;
  flex-shrink: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* Article Page */
.article-header {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.article-meta {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

.content {
  font-size: 1.125rem;
  color: var(--color-text-main);
}

.content h2 {
  font-size: 2.125rem;
  font-weight: 700;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
  scroll-margin-top: 5rem;
  /* ヘッダー(4rem)＋余白分 */
}

.content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.content p {
  margin-bottom: var(--spacing-lg);
}

.content ul,
.content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.content li {
  margin-bottom: var(--spacing-xs);
}

.content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-lg);
  font-style: normal;
  color: var(--color-text-muted);
  margin: var(--spacing-lg) 0;
}

.content blockquote p {
  margin-bottom: var(--spacing-sm);
}

.content blockquote p:last-child {
  margin-bottom: 0;
}

/* Products Table/Grid in Article */
.product-comparison {
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-amazon {
  background-color: var(--color-amazon-orange);
  color: var(--color-amazon-blue);
}

.btn-amazon:hover {
  background-color: #e68a00;
  color: var(--color-amazon-blue);
}

/* Footer */
.site-footer {
  margin-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: var(--color-text-muted);
}

/* =====================================================
   PRODUCT ARTICLE STYLES
   ===================================================== */

/* Product Hero Card */
.product-hero-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  background: var(--bg-gradient-hero);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin: 0 0 var(--spacing-md) 0;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 960px) {
  .product-hero-card {
    grid-template-columns: 400px 1fr;
  }
}

.product-hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Product Image Carousel */
.product-image-carousel {
  position: relative;
  width: 100%;
  max-width: 400px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  background: #fff;
}

.carousel-track {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

.carousel-image {
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  height: 380px;
  object-fit: contain;
  scroll-snap-align: center;
  scroll-snap-stop: always;
  padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xl) var(--spacing-sm);
}

.carousel-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  transition: var(--transition-base);
  z-index: 10;
  opacity: 0;
}

.product-image-carousel:hover .carousel-button {
  opacity: 1;
}

@media (max-width: 768px) {
  .carousel-button {
    opacity: 0.7;
    /* Mobile should show buttons as touch area */
  }
}

.carousel-button:hover {
  background: rgba(0, 0, 0, 0.7);
}

.carousel-button.prev {
  left: 8px;
}

.carousel-button.next {
  right: 8px;
}

.carousel-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: var(--transition-base);
}

.dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

/* Image Modal (Lightbox) */
.image-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.image-modal.active {
  opacity: 1;
  visibility: visible;
}

.image-modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-modal-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.image-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  transition: var(--transition-base);
  z-index: 10001;
}

.image-modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.image-modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #fff;
  transition: var(--transition-base);
  z-index: 10001;
}

.image-modal-nav:hover {
  background: rgba(0, 0, 0, 0.7);
  transform: translateY(-50%) scale(1.1);
}

.image-modal-nav.prev {
  left: 20px;
}

.image-modal-nav.next {
  right: 20px;
}

.image-modal-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Clickable carousel images */
.carousel-image {
  cursor: zoom-in;
}

@media (max-width: 768px) {
  .image-modal-close {
    top: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  .image-modal-nav {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .image-modal-nav.prev {
    left: 10px;
  }

  .image-modal-nav.next {
    right: 10px;
  }

  .image-modal-img {
    max-width: 95vw;
    max-height: 80vh;
  }
}

.product-hero-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.product-score-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  width: fit-content;
  box-shadow: var(--shadow-md);
}

/* Amazon Buttons */
/* 共通スタイル：すべてのAmazonボタンで統一感を持たせる */
@keyframes shine {
  0% {
    left: -100%;
    opacity: 0;
  }

  20% {
    left: 100%;
    opacity: 0.5;
  }

  100% {
    left: 100%;
    opacity: 0;
  }
}

.btn-amazon-hero,
.btn-amazon-large,
.btn-amazon-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background: linear-gradient(to bottom, #f7dfa5, #f0c14b);
  color: #111;
  border: 1px solid #a88734;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.2s ease;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .4) inset;
  position: relative;
  overflow: hidden;
}

.btn-amazon-hero::before,
.btn-amazon-large::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0) 100%);
  transform: skewX(-25deg);
  animation: shine 6s infinite;
}

.btn-amazon-hero:hover,
.btn-amazon-large:hover,
.btn-amazon-small:hover {
  background: linear-gradient(to bottom, #f5d78e, #eeb933);
  color: #111;
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .4) inset, 0 2px 5px rgba(0, 0, 0, .12);
  cursor: pointer;
}

.btn-amazon-hero:active,
.btn-amazon-large:active,
.btn-amazon-small:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Dark Theme Overrides */
[data-theme="dark"] .btn-amazon-hero,
[data-theme="dark"] .btn-amazon-large,
[data-theme="dark"] .btn-amazon-small {
  background: linear-gradient(to bottom, #ffad33, #ff9900);
  border-color: #c47900;
  color: #232f3e;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .2) inset;
}

[data-theme="dark"] .btn-amazon-hero:hover,
[data-theme="dark"] .btn-amazon-large:hover,
[data-theme="dark"] .btn-amazon-small:hover {
  background: linear-gradient(to bottom, #ffb84d, #ffa31a);
  color: #232f3e;
}

/* サイズ別スタイル */
.btn-amazon-hero {
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-size: 1.125rem;
  margin-top: var(--spacing-md);
}

.btn-amazon-large {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-size: 1.25rem;
  width: 100%;
  text-align: center;
}

.btn-amazon-small {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.btn-internal-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  background: var(--bg-competitor-preview);
  color: var(--color-amazon-blue);
  border: 1px solid var(--border-competitor-preview);
  text-decoration: none;
  font-weight: 700;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

.btn-internal-small:hover {
  background: #e0f2fe;
  color: var(--color-amazon-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-internal-small:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .btn-internal-small {
  background: var(--bg-competitor-preview);
  color: white;
  border-color: var(--border-competitor-preview);
}

[data-theme="dark"] .btn-internal-small:hover {
  background: var(--border-competitor-preview);
  opacity: 0.8;
}

a.competitor-preview {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: var(--transition-base);
}

a.competitor-preview:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.competitor-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
  margin-top: var(--spacing-sm);
}

.competitor-links .btn-amazon-small,
.competitor-links .btn-internal-small {
  margin-top: 0;
}

.competitor-links p {
  margin: 0;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-text {
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Pros and Cons Grid */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

@media (min-width: 640px) {
  .pros-cons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pros-card {
  background: var(--bg-gradient-pros);
  border: 1px solid #10b981;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.pros-card h4 {
  color: var(--text-pros-title);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.pros-card> :last-child {
  margin-bottom: 0;
}

.cons-card {
  background: var(--bg-gradient-cons);
  border: 1px solid #ef4444;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.cons-card h4 {
  color: var(--text-cons-title);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.cons-card> :last-child {
  margin-bottom: 0;
}

/* Purchase Card */
.purchase-card {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin: var(--spacing-lg) 0;
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
}

/* 上部にアクセントライン */
.purchase-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ff9900, #ffad33);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

[data-theme="dark"] .purchase-card {
  background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
  border-color: var(--color-border);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .purchase-card {
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    border-color: var(--color-border);
  }
}

.purchase-card h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-main);
}

.purchase-card> :last-child {
  margin-bottom: 0;
}

/* Tables in Content - Mobile Responsive */
.content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  font-size: 0.95rem;
  table-layout: auto;
}

/* モバイル向けスクロール対応 - テーブル全体をラップする形式 */
@media (max-width: 640px) {
  .content table {
    display: table;
    width: max-content;
    min-width: 100%;
    font-size: 0.85rem;
  }

  /* テーブルのみスクロール可能にするためのラッパー */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--spacing-md);
  }
}

.content th,
.content td {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  text-align: left;
  word-break: break-word;
}

/* 項目列（最初の列）は幅を固定 */
.content th:first-child,
.content td:first-child {
  white-space: nowrap;
  width: 120px;
  min-width: 120px;
}

/* 内容列（2番目以降の列）は適切に折り返す */
.content th:not(:first-child),
.content td:not(:first-child) {
  min-width: 150px;
}

.content th {
  background: var(--color-bg-card);
  font-weight: 600;
}

.content tr:nth-child(even) {
  background: var(--bg-table-stripe);
}

/* Competitor Link */
.competitor-link {
  display: inline-block;
  background: var(--color-amazon-orange);
  color: #232f3e !important;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  margin-top: var(--spacing-sm);
}

.competitor-link:hover {
  background: #e68a00;
  color: #232f3e !important;
}

/* Competitor Cards */
.competitor-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
  .competitor-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.competitor-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition-base);
}

.competitor-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.competitor-card h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: var(--spacing-sm);
}

.competitor-price {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.competitor-features,
.competitor-diff {
  margin-bottom: var(--spacing-md);
}

.competitor-features strong,
.competitor-diff strong {
  display: block;
  font-size: 1rem;
  color: var(--color-text-main);
  margin-bottom: var(--spacing-xs);
}

.competitor-features ul,
.competitor-diff ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.competitor-features li,
.competitor-diff li {
  font-size: 1rem;
  color: var(--color-text-muted);
  padding-left: 1rem;
  position: relative;
  margin-bottom: var(--spacing-xs);
}

.competitor-features li::before,
.competitor-diff li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* Product Count Badge */
.product-count-container {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.product-count-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.product-count-badge:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.product-count-icon {
  color: var(--color-primary);
  display: flex;
  align-items: center;
}

.product-count-text {
  font-size: 0.95rem;
  color: var(--color-text-main);
  font-weight: 500;
}

.product-count-number {
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0.1rem;
}

/* Competitor Preview (PA-API Product Info) */
.competitor-preview {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--bg-competitor-preview);
  border: 1px solid var(--border-competitor-preview);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.competitor-preview-img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: var(--bg-competitor-img);
  flex-shrink: 0;
}

.competitor-preview-info {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  column-gap: var(--spacing-sm);
  row-gap: var(--spacing-xs);
  font-size: 0.875rem;
}

/* Score container forces a line break */
.competitor-score-container {
  flex-basis: 100%;
  width: 100%;
  margin-bottom: 0;
}

/* Ensure score badge inside container keeps its natural size */
.competitor-preview-info .pickup-card-score {
  display: inline-block;
  width: auto;
}

.competitor-actual-price {
  font-weight: 700;
  color: var(--text-competitor-price);
  font-size: 1rem;
}

.competitor-availability {
  color: var(--text-competitor-availability);
  font-size: 0.8rem;
}

.competitor-prime {
  color: #ff9900;
  font-weight: 600;
  font-size: 0.8rem;
}

@media (prefers-color-scheme: dark) {
  /* Removed competitor preview overrides (using variables now) */
}

/* Review Cards */
.review-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-md) 0;
}

.review-card blockquote {
  border-left: none;
  font-style: normal;
  margin: 0;
  padding: 0;
}

/* Dark Mode Adjustments - Now handled via variables */

/* Home Screen: Load More */
.card-wrapper {
  display: contents;
  /* This makes the card a direct child of the grid for layout purposes */
}

.card-hidden {
  display: none !important;
}

.load-more-container {
  display: flex;
  justify-content: center;
  margin: var(--spacing-2xl) 0;
}

.btn-load-more {
  background-color: transparent;
  color: var(--color-text-main);
  border: 2px solid var(--color-primary);
  padding: 0.75rem 2.5rem;
  font-weight: 700;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.btn-load-more:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-load-more:active {
  transform: translateY(0);
}

/* =====================================================
   CATEGORY DROPDOWN (Mobile)
   ===================================================== */

/* Hide dropdown on desktop, show on mobile */
.category-dropdown-container {
  display: none;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

@media (max-width: 767px) {
  .category-dropdown-container {
    display: flex;
  }

  .category-grid {
    display: none !important;
  }
}

.category-dropdown-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.category-dropdown-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.category-dropdown-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg-body);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.category-dropdown-select:hover:not(:disabled) {
  border-color: var(--color-primary);
}

.category-dropdown-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.category-dropdown-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

[data-theme="dark"] .category-dropdown-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23aaa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

/* Grouped View (Desktop) */
.category-grouped-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

@media (max-width: 767px) {
  .category-grouped-view {
    display: none;
  }
}

.category-group-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.category-group-section:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.category-group-heading {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.category-group-link {
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all 0.2s ease;
}

.category-group-link::after {
  content: '→';
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.2s ease;
}

.category-group-link:hover {
  color: var(--color-primary-dark);
}

.category-group-link:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.category-group-section:hover .category-group-heading {
  border-bottom-color: var(--color-primary);
}

/* Category Pills for parent category page */
.category-pill {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all 0.2s ease;
}

.category-pill:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.category-tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.category-tag-link {
  padding: 0.35rem 0.75rem;
  background: var(--color-bg-body);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-main);
  transition: all 0.2s ease;
}

.category-tag-link:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Category Collapsible (Desktop) */
.category-heading-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: color 0.2s ease;
}

.category-heading-wrapper:hover {
  color: var(--color-primary);
}

.category-heading-wrapper:hover .category-group-heading {
  color: var(--color-primary);
}

.category-toggle-icon {
  display: inline-block;
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.category-group-section:not(.category-collapsed) .category-toggle-icon {
  transform: rotate(90deg);
}

.category-collapsed .category-tags-container {
  display: none;
}

.category-group-section .category-group-heading {
  flex: 1;
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.category-group-section:not(.category-collapsed) .category-heading-wrapper {
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.category-group-section:hover:not(.category-collapsed) .category-heading-wrapper {
  border-bottom-color: var(--color-primary);
}

/* "View All" link in child categories */
.category-view-all {
  background: var(--color-primary) !important;
  color: white !important;
  font-weight: 700;
  border-color: var(--color-primary) !important;
}

.category-view-all:hover {
  background: var(--color-primary-dark) !important;
  border-color: var(--color-primary-dark) !important;
}

/* =====================================================
   BREADCRUMB NAVIGATION
   ===================================================== */

.breadcrumb {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xs);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  white-space: nowrap;
}

.breadcrumb-item a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

.breadcrumb-item a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.breadcrumb-item.current span:last-child {
  color: var(--color-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: normal;
  max-width: none;
}

.breadcrumb-separator {
  color: var(--color-text-muted);
  font-weight: 300;
  margin: 0 2px;
}

/* =====================================================
   SCORE RATIONALE CARD
   ===================================================== */

.score-rationale-card {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-body) 100%);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.score-base,
.score-total {
  font-size: 1.1rem;
  font-weight: 600;
  padding: var(--spacing-sm) 0;
  color: var(--color-text-main);
}

.score-base {
  border-bottom: 1px dashed var(--color-border);
  margin-bottom: var(--spacing-sm);
}

.score-item {
  padding: var(--spacing-md);
  margin: var(--spacing-sm) 0;
  border-radius: var(--radius-md);
  line-height: 1.6;
  font-size: 0.95rem;
}

.score-plus {
  background: linear-gradient(to right, rgba(16, 185, 129, 0.1), transparent);
  border-left: 3px solid #10b981;
}

.score-minus {
  background: linear-gradient(to right, rgba(245, 158, 11, 0.1), transparent);
  border-left: 3px solid #f59e0b;
}

.score-neutral {
  background: linear-gradient(to right, rgba(107, 114, 128, 0.1), transparent);
  border-left: 3px solid #6b7280;
}

.score-points {
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-right: var(--spacing-sm);
  display: inline-block;
}

.score-plus .score-points {
  color: #065f46;
  background: rgba(16, 185, 129, 0.2);
}

.score-minus .score-points {
  color: #92400e;
  background: rgba(245, 158, 11, 0.2);
}

.score-neutral .score-points {
  color: #374151;
  background: rgba(107, 114, 128, 0.2);
}

.score-total {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 2px dashed var(--color-border);
  font-size: 1.15rem;
}

.score-total strong {
  color: var(--color-primary);
  font-size: 1.25rem;
}

/* Dark mode adjustments */
[data-theme="dark"] .score-plus {
  background: linear-gradient(to right, rgba(16, 185, 129, 0.15), transparent);
}

[data-theme="dark"] .score-minus {
  background: linear-gradient(to right, rgba(245, 158, 11, 0.15), transparent);
}

[data-theme="dark"] .score-neutral {
  background: linear-gradient(to right, rgba(107, 114, 128, 0.15), transparent);
}

[data-theme="dark"] .score-plus .score-points {
  color: #34d399;
  background: rgba(16, 185, 129, 0.3);
}

[data-theme="dark"] .score-minus .score-points {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .score-neutral .score-points {
  color: #9ca3af;
  background: rgba(107, 114, 128, 0.3);
}

/* Mobile responsive */
@media (max-width: 640px) {
  .score-rationale-card {
    padding: var(--spacing-md);
  }

  .score-item {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .score-base,
  .score-total {
    font-size: 1rem;
  }
}

/* =====================================================
   TABLE OF CONTENTS
   ===================================================== */
.table-of-contents {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.table-of-contents details {
  margin: 0;
}

.table-of-contents summary {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-main);
  cursor: pointer;
  padding: var(--spacing-sm) 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.table-of-contents summary::-webkit-details-marker {
  display: none;
}

.table-of-contents summary::after {
  content: '▼';
  font-size: 0.75rem;
  margin-left: auto;
  transition: var(--transition-base);
  color: var(--color-text-muted);
}

.table-of-contents details:not([open]) summary::after {
  transform: rotate(-90deg);
}

.table-of-contents nav>ul,
.table-of-contents #TableOfContents>ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0 0 0;
}

.table-of-contents nav>ul>li,
.table-of-contents #TableOfContents>ul>li {
  margin-bottom: var(--spacing-sm);
}

.table-of-contents nav>ul>li>a,
.table-of-contents #TableOfContents>ul>li>a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-main);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  font-size: 0.95rem;
}

.table-of-contents nav>ul>li>a:hover,
.table-of-contents #TableOfContents>ul>li>a:hover {
  background: var(--bg-tag);
  color: var(--color-primary);
}

.table-of-contents nav>ul>li>a::before,
.table-of-contents #TableOfContents>ul>li>a::before {
  content: '•';
  color: var(--color-primary);
  font-weight: bold;
}

/* Mobile responsive for TOC */
@media (max-width: 640px) {
  .table-of-contents {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .table-of-contents summary {
    font-size: 1rem;
  }

  .table-of-contents nav>ul>li>a,
  .table-of-contents #TableOfContents>ul>li>a {
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* =====================================================
   HIGH SCORE PICKUP SECTION
   ===================================================== */

.pickup-section {
  background: linear-gradient(135deg, #fef3c7 0%, #fcd34d 100%);
  border: 2px solid #f59e0b;
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.15);
}

[data-theme="dark"] .pickup-section {
  background: linear-gradient(135deg, #78350f 0%, #92400e 100%);
  border-color: #d97706;
  box-shadow: 0 4px 15px rgba(217, 119, 6, 0.2);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pickup-section {
    background: linear-gradient(135deg, #78350f 0%, #92400e 100%);
    border-color: #d97706;
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.2);
  }
}

.pickup-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.pickup-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #92400e;
  margin: 0;
}

[data-theme="dark"] .pickup-title {
  color: #fcd34d;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pickup-title {
    color: #fcd34d;
  }
}

.pickup-subtitle {
  font-size: 0.8rem;
  color: #a16207;
  background: rgba(255, 255, 255, 0.6);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-weight: 500;
}

[data-theme="dark"] .pickup-subtitle {
  color: #fde68a;
  background: rgba(0, 0, 0, 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pickup-subtitle {
    color: #fde68a;
    background: rgba(0, 0, 0, 0.25);
  }
}

/* シャッフルボタン */
.shuffle-btn {
  margin-left: auto;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.3);
}

.shuffle-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.4);
}

.shuffle-btn:active {
  transform: scale(0.98);
}

.shuffle-btn.shuffle-animation {
  animation: shuffle-rotate 0.3s ease-out;
}

@keyframes shuffle-rotate {
  0% {
    transform: rotate(0deg);
  }

  50% {
    transform: rotate(180deg) scale(1.1);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* ピックアップグリッド（横スクロール） */
.pickup-grid {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--spacing-sm);
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

.pickup-grid::-webkit-scrollbar {
  height: 6px;
}

.pickup-grid::-webkit-scrollbar-track {
  background: transparent;
}

.pickup-grid::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

.pickup-grid::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

/* ミニカード */
.pickup-card {
  flex: 1 1 0;
  min-width: 100px;
  max-width: 180px;
  scroll-snap-align: start;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.pickup-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .pickup-card {
  background: var(--color-bg-card);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pickup-card {
    background: var(--color-bg-card);
  }
}

.pickup-card-image {
  width: 100%;
  height: 100px;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pickup-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pickup-card-noimage {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  font-size: 0.75rem;
  background: #f3f4f6;
}

.pickup-card-content {
  padding: var(--spacing-sm);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pickup-card-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pickup-card-meta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pickup-card-score {
  font-size: 0.7rem;
  font-weight: 700;
  color: #ca8a04;
  background: #fef9c3;
  padding: 2px 6px;
  border-radius: 4px;
  width: fit-content;
}

[data-theme="dark"] .pickup-card-score {
  color: #fde047;
  background: rgba(234, 179, 8, 0.2);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pickup-card-score {
    color: #fde047;
    background: rgba(234, 179, 8, 0.2);
  }
}

/* Force dynamic score colors to override defaults and dark mode specifics */
.pickup-card-score.score-excellent {
  background: linear-gradient(135deg, #10b981, #059669) !important;
  color: white !important;
}

.pickup-card-score.score-good {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  color: white !important;
}

.pickup-card-score.score-fair {
  background: linear-gradient(135deg, #6b7280, #4b5563) !important;
  color: white !important;
}

.pickup-card-price {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* レスポンシブ対応 - モバイルでグリッド表示 */
@media (max-width: 767px) {
  .pickup-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    overflow-x: visible;
    scroll-snap-type: none;
  }

  .pickup-card {
    flex: none;
    width: 100%;
    min-width: unset;
    max-width: unset;
  }

  .pickup-card-image {
    height: 100px;
  }
}

/* タブレット以上: flexレイアウトで6件表示 */
@media (min-width: 768px) {
  .pickup-card {
    flex: 1 1 0;
    min-width: 120px;
    max-width: none;
  }

  .pickup-card-image {
    height: 120px;
  }
}

@media (min-width: 1024px) {
  .pickup-card-image {
    height: 130px;
  }

  .pickup-card-title {
    font-size: 0.8rem;
  }

  .pickup-card-score {
    font-size: 0.75rem;
  }

  .pickup-card-price {
    font-size: 0.7rem;
  }
}

/* =====================================================
   RELATED SECTIONS (商品ページ下部の関連セクション)
   ===================================================== */

.related-section {
  margin-bottom: var(--spacing-lg);
}

/* Keepaセクション直後の関連セクションの余白調整 */
#related-products-section .related-section {
  margin-top: calc(-1 * var(--spacing-md));
}

@media (max-width: 767px) {
  #related-products-section .related-section {
    margin-top: var(--spacing-sm);
  }
}

.related-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* 関連セクション用グリッド - デスクトップ: 4列横並び */
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

/* タブレット: 4列維持 */
@media (max-width: 1023px) {
  .related-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
  }
}

/* スマホ: 2x2グリッド */
@media (max-width: 767px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .related-section-title {
    font-size: 1rem;
  }
}

/* =====================================================
   QUICK EVALUATION SUMMARY (クイック評価サマリー)
   ===================================================== */

.quick-evaluation-summary {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-body) 100%);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-md);
}

.quick-eval-header {
  margin-bottom: var(--spacing-md);
}

.quick-eval-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.quick-eval-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .quick-eval-content {
    flex-direction: row;
    align-items: flex-start;
  }
}

/* Score badge */
.quick-eval-score {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.quick-eval-score.score-excellent {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.quick-eval-score.score-good {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.quick-eval-score.score-fair {
  background: linear-gradient(135deg, #6b7280, #4b5563);
  color: white;
}

.score-emoji {
  font-size: 1.5rem;
}

.score-number {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.score-unit {
  font-size: 1rem;
  font-weight: 600;
}

.score-label {
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.9;
  margin-left: var(--spacing-xs);
}

/* Details section */
.quick-eval-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  flex: 1;
}

@media (min-width: 768px) {
  .quick-eval-details {
    flex-direction: row;
    gap: var(--spacing-lg);
  }
}

.quick-eval-pros,
.quick-eval-cons {
  flex: 1;
  min-width: 0;
}

.quick-eval-section-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-main);
}

.quick-eval-pros ul,
.quick-eval-cons ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.quick-eval-pros li,
.quick-eval-cons li {
  font-size: 0.8rem;
  line-height: 1.4;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.quick-eval-pros li:last-child,
.quick-eval-cons li:last-child {
  border-bottom: none;
}

/* Mobile adjustments */
@media (max-width: 767px) {
  .quick-evaluation-summary {
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
  }

  .quick-eval-score {
    justify-content: center;
    width: 100%;
  }

  .score-number {
    font-size: 1.75rem;
  }

  .quick-eval-pros li,
  .quick-eval-cons li {
    font-size: 0.75rem;
  }
}

/* =====================================================
   HERO CARD INTEGRATED EVALUATION
   ===================================================== */

.hero-evaluation-section {
  margin-top: var(--spacing-xs);
  padding-top: 0;
  border-top: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

[data-theme="dark"] .hero-evaluation-section {
  border-top-color: rgba(255, 255, 255, 0.15);
}

.hero-eval-block {
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

[data-theme="dark"] .hero-eval-block {
  background: rgba(0, 0, 0, 0.2);
}

.hero-eval-pros {
  border-left: 3px solid #10b981;
}

.hero-eval-cons {
  border-left: 3px solid #f59e0b;
}

.hero-eval-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-main);
}

.hero-eval-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-eval-block li {
  font-size: 0.9rem;
  line-height: 1.5;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-main);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .hero-eval-block li {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.hero-eval-block li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Desktop: side by side */
@media (min-width: 768px) {
  .hero-evaluation-section {
    flex-direction: row;
    gap: var(--spacing-lg);
  }

  .hero-eval-block {
    flex: 1;
  }
}

/* Mobile adjustments for hero evaluation */
@media (max-width: 767px) {
  .hero-evaluation-section {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
  }

  .hero-eval-block {
    padding: var(--spacing-sm);
  }

  .hero-eval-title {
    font-size: 0.875rem;
  }

  .hero-eval-block li {
    font-size: 0.85rem;
  }
}

/* =====================================================
   HERO SCORE BAR & META TAGS (新デザイン)
   ===================================================== */

.hero-description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-main);
  margin-bottom: var(--spacing-md);
}

/* Score Bar */
.hero-score-bar {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  margin: var(--spacing-xs) 0;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  flex-wrap: wrap;
}

.hero-score-bar.score-excellent {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}

[data-theme="dark"] .hero-score-bar.score-excellent {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: white;
}

.hero-score-bar.score-good {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
}

[data-theme="dark"] .hero-score-bar.score-good {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  color: white;
}

.hero-score-bar.score-fair {
  background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
  color: white;
}

[data-theme="dark"] .hero-score-bar.score-fair {
  background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
  color: white;
}

.hero-score-main {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.hero-score-emoji {
  font-size: 1.5rem;
  margin-right: var(--spacing-xs);
}

.hero-score-number {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}

.hero-score-unit {
  font-size: 1rem;
  font-weight: 600;
}

.hero-score-text {
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.9;
  margin-right: var(--spacing-md);
}

.hero-score-rationale {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  min-width: 0;
}

.hero-score-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  /* background handled by specific classes */
}

[data-theme="dark"] .hero-score-item {
  /* background handled by specific classes */
}

.hero-score-plus {
  background: #ecfdf5;
  /* Light Green */
  color: #065f46;
  /* Dark Green */
  border-left: 3px solid #10b981;
}

[data-theme="dark"] .hero-score-plus {
  background: rgba(16, 185, 129, 0.2);
  color: #a7f3d0;
  border-left: 3px solid #10b981;
}

.hero-score-minus {
  background: #fffbeb;
  /* Light Orange/Yellow */
  color: #92400e;
  /* Dark Orange */
  border-left: 3px solid #f59e0b;
}

[data-theme="dark"] .hero-score-minus {
  background: rgba(245, 158, 11, 0.2);
  color: #fde68a;
  border-left: 3px solid #f59e0b;
}

.hero-score-item-points {
  font-weight: 800;
  min-width: 30px;
}

.hero-score-item-desc {
  opacity: 1;
  flex: 1;
  min-width: 0;
  word-break: break-word;
  white-space: normal;
}

/* Price Bar (similar design to score bar) */
.hero-price-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-lg);
  /* Changed from orange to dark neutral for better contrast against score colors */
  background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
  color: white;
  margin: var(--spacing-xs) 0;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .hero-price-bar {
  /* Darker slate for dark mode */
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  border: 1px solid var(--color-border);
}

.hero-price-main {
  display: flex;
  align-items: baseline;
  line-height: 1;
}

.hero-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: white;
  margin-right: var(--spacing-md);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  line-height: 1;
}

.hero-price-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  line-height: 1;
}

.hero-price-info p {
  margin-bottom: 0;
}



/* Meta Tags */
.hero-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 4px var(--spacing-xs);
  background: var(--color-bg-body);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.hero-tag-prime {
  background: #232f3e;
  border-color: #232f3e;
  color: #ff9900;
  font-weight: 700;
}

.hero-tag-stock {
  background: #ecfdf5;
  border-color: #10b981;
  color: #059669;
  font-weight: 600;
}

[data-theme="dark"] .hero-tag-stock {
  background: rgba(16, 185, 129, 0.25);
  border-color: #10b981;
  color: #34d399;
}



/* Mobile adjustments for score bar */
@media (max-width: 959px) {
  .hero-score-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-xs) 0;
  }

  .hero-score-main {
    display: flex;
    align-items: baseline;
    gap: 4px;
  }

  .hero-score-number {
    font-size: 2.25rem;
  }

  .hero-score-emoji {
    font-size: 1.5rem;
  }

  .hero-score-text {
    font-size: 1.1rem;
  }

  .hero-score-rationale {
    margin-left: 0;
    align-items: flex-start;
    width: 100%;
    overflow: hidden;
  }

  .hero-score-item {
    font-size: 0.9rem;
    width: 100%;
    justify-content: flex-start;
    overflow: hidden;
  }

  .hero-score-item-desc {
    flex: 1;
    min-width: 0;
    word-break: break-word;
    white-space: normal;
    max-width: none;
    text-overflow: unset;
    overflow: visible;
  }

  .hero-price-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  .hero-price {
    font-size: 1.5rem;
  }

  .hero-price-info {
    width: 100%;
  }

  .hero-meta-tags {
    margin-bottom: var(--spacing-xs);
  }

  .hero-description {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
  }

  .hero-eval-title {
    font-size: 1rem;
  }

  .hero-eval-block li {
    font-size: 0.95rem;
  }
}

/* =====================================================
   KEEPA PRICE GRAPH SECTION
   ===================================================== */

.keepa-section {
  margin: var(--spacing-md) 0 var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.keepa-section-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-main);
}

.keepa-graph-container {
  text-align: center;
}

.keepa-graph-container a {
  display: block;
  transition: var(--transition-base);
}

.keepa-graph-container a:hover {
  opacity: 0.9;
  transform: scale(1.01);
}

.keepa-graph-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  background: #fff;
  display: block;
  margin: 0 auto;
}

.keepa-note {
  margin-top: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .keepa-section {
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
  }

  .keepa-section-title {
    font-size: 1.1rem;
  }

  .keepa-note {
    font-size: 0.75rem;
  }
}