/* ==========================================================================
   UI Components Stylesheet
   ========================================================================== */

/* ==========================================================================
   1. Header Component
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 800;
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 1.1rem;
  -webkit-text-fill-color: white;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

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

/* Dark Mode Toggle Switch */
.theme-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background-color: var(--bg-tertiary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--border-color);
  color: var(--primary);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-normal);
}

.theme-toggle-btn:hover svg {
  transform: rotate(15deg);
}

body.dark-mode .sun-icon {
  display: block;
}
body.dark-mode .moon-icon {
  display: none;
}
body:not(.dark-mode) .sun-icon {
  display: none;
}
body:not(.dark-mode) .moon-icon {
  display: block;
}

/* Mobile Menu Button (Hamburger) */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* Mobile Nav Styles */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 80%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-secondary);
    box-shadow: 10px 0 15px -3px rgba(0,0,0,0.1);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 24px;
    gap: 24px;
    transition: left var(--transition-normal);
    z-index: 99;
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .nav-link {
    font-size: 1.1rem;
    width: 100%;
  }
  
  /* Menu icon animation */
  .mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ==========================================================================
   2. Footer Component
   ========================================================================== */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px 0;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(2, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 320px;
}

.footer-heading {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--primary);
}

/* ==========================================================================
   3. Disclosure Banner (広告・アフィリエイト表示)
   ========================================================================== */
.disclosure-banner {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--secondary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.disclosure-banner svg {
  width: 18px;
  height: 18px;
  color: var(--secondary);
  flex-shrink: 0;
}

.disclosure-details {
  cursor: pointer;
  text-decoration: underline;
  color: var(--primary);
  margin-left: auto;
}

/* ==========================================================================
   4. Comparison Table (おすすめツール比較表)
   ========================================================================== */
.compare-container {
  width: 100%;
  overflow-x: auto;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  margin: 30px 0;
  position: relative;
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 800px; /* Ensures horizontal scrolling on small viewports */
}

.compare-table th {
  background-color: var(--bg-tertiary);
  padding: 16px 20px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
}

.compare-table td {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.compare-table tbody tr {
  transition: background-color var(--transition-fast);
}

.compare-table tbody tr:hover {
  background-color: var(--primary-light);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

/* Compare Row Features */
.tool-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tool-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary-light), var(--bg-tertiary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--border-color);
}

.tool-name {
  font-weight: 700;
  color: var(--text-primary);
}

.tool-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.rating-container {
  display: flex;
  align-items: center;
  gap: 4px;
}

.star-icon {
  color: var(--accent);
  width: 16px;
  height: 16px;
}

.rating-score {
  font-family: var(--font-numbers);
  font-weight: 700;
  font-size: 1.1rem;
}

.recommend-badge {
  background-color: var(--accent-light);
  color: #b45309; /* Deep Amber */
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  margin-left: 8px;
}

body.dark-mode .recommend-badge {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--accent);
}

/* ==========================================================================
   5. Buttons & Actions
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  font-size: 0.95rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

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

.btn-secondary:hover {
  background-color: var(--secondary-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.btn-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
  filter: brightness(1.05);
  color: white;
}

/* ==========================================================================
   6. Article Card Component
   ========================================================================== */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--primary-light);
}

.card-img-wrapper {
  position: relative;
  aspect-ratio: 16/9;
  background-color: var(--bg-tertiary);
  overflow: hidden;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-img {
  transform: scale(1.05);
}

.card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(4px);
  border: 1px solid var(--glass-border);
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  color: var(--primary);
}

.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-date {
  font-family: var(--font-numbers);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.card-title a {
  color: var(--text-primary);
}

.card-title a:hover {
  color: var(--primary);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}

.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.card-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.card-author-img {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.7rem;
  color: var(--primary);
}

/* ==========================================================================
   7. Breadcrumbs Component (SEO & Navigation)
   ========================================================================== */
.breadcrumbs {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumbs-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumbs-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs-item:not(:last-child)::after {
  content: '/';
  color: var(--text-muted);
}

.breadcrumbs-item a {
  color: var(--text-secondary);
}

.breadcrumbs-item a:hover {
  color: var(--primary);
}

.breadcrumbs-item.current {
  color: var(--text-muted);
  pointer-events: none;
}

/* ==========================================================================
   8. Affiliate CTA Box Component (A8.net 広告自動ボタン化)
   ========================================================================== */
.affiliate-cta-box {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
  text-align: center;
  box-shadow: inset 0 0 0 1px var(--bg-secondary);
  transition: border-color var(--transition-fast);
}

.affiliate-cta-box:hover {
  border-color: var(--secondary);
}

.affiliate-cta-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.affiliate-link-placeholder {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

/* A8の生のaタグを自動でボタン風にするCSS */
.affiliate-link-placeholder a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--secondary) !important;
  color: white !important;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none !important;
  box-shadow: 0 4px 10px rgba(13, 148, 136, 0.15);
  transition: all var(--transition-fast);
  width: 100%;
  max-width: 360px;
  box-sizing: border-box;
  text-align: center;
}

.affiliate-link-placeholder a:hover {
  background-color: var(--secondary-hover) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(13, 148, 136, 0.25);
  color: white !important;
}

/* A8の計測用1px透明画像がボタンを崩さないための調整 */
.affiliate-link-placeholder img {
  display: inline !important;
  width: 1px !important;
  height: 1px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  outline: none !important;
  vertical-align: middle;
}

/* ==========================================================================
   9. レンタルサーバー比較用カード型UI (hosting-card-grid)
   ========================================================================== */
.hosting-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.hosting-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

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

/* 一言おすすめの目立つラベル */
.hosting-card-recommend {
  align-self: flex-start;
  background: linear-gradient(135deg, var(--secondary-hover), var(--secondary));
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.hosting-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hosting-card-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.hosting-card-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hosting-card-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.hosting-card-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.hosting-card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  flex-grow: 1;
  list-style: none; /* リストマークを消す */
  padding-left: 0;
}

.hosting-card-list li {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* 強みと注意点の色分け */
.hosting-card-strength {
  color: var(--text-secondary);
}
.hosting-card-strength strong {
  color: #0d9488;
}

.hosting-card-weakness {
  color: var(--text-secondary);
}
.hosting-card-weakness strong {
  color: #ea580c;
}

/* 詳しく見るボタン */
.hosting-card-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  color: white !important;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none !important;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.15);
  text-align: center;
  margin-top: auto;
}

.hosting-card-button:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(37, 99, 235, 0.25);
}

/* スマホ表示での調整 */
@media (max-width: 640px) {
  .hosting-card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .hosting-card {
    padding: 20px;
  }
}

/* ==========================================================================
   Sidebar Promo Widget (アフィリエイト比較記事への恒常的CTA)
   ========================================================================== */
.sidebar-promo-widget {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white !important;
  border: none !important;
  padding: 32px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.2);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.sidebar-promo-widget::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.sidebar-promo-widget:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 30px -5px rgba(37, 99, 235, 0.35);
}

.sidebar-promo-badge {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.sidebar-promo-title {
  color: white !important;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 0;
  font-family: var(--font-heading);
}

.sidebar-promo-desc {
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

.sidebar-promo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: white;
  color: var(--primary) !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none !important;
  transition: all var(--transition-fast);
  width: 100%;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.sidebar-promo-btn:hover {
  background-color: var(--bg-primary);
  transform: scale(1.02);
}