.page-products {
  --card-radius: 0;
  --card-border-width: 1px;
  --card-transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  --glow-pc: rgba(139, 92, 246, 0.35);
  --glow-mobile: rgba(6, 182, 212, 0.35);
  --glow-web: rgba(249, 115, 22, 0.35);
  --clip-angle: polygon(0 0, 100% 0, 96% 100%, 0 100%);
  position: relative;
  padding: 0 var(--panel-padding) 3rem;
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  padding: 1rem 0 0;
  letter-spacing: 0.05em;
}
.page-products .breadcrumb-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-products .breadcrumb-link:hover {
  color: var(--color-brand-start);
}
.page-products .breadcrumb-sep {
  color: var(--color-text-secondary);
  font-size: 1.1em;
}
.page-products .breadcrumb-current {
  color: var(--color-text-primary);
  font-weight: 500;
}
.page-products .platform-hero {
  position: relative;
}
.page-products .platform-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 1.5rem;
  text-align: center;
}
.page-products .platform-radio-group {
  position: relative;
}
.page-products .platform-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}
.page-products .platform-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.page-products .platform-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  background: var(--color-bg-secondary);
  border: var(--card-border-width) solid var(--color-border);
  clip-path: var(--clip-angle);
  cursor: pointer;
  transition: transform var(--card-transition), border-color var(--card-transition), box-shadow var(--card-transition), opacity var(--card-transition);
  text-align: center;
  user-select: none;
}
.page-products .platform-card:hover {
  transform: translateY(-4px);
}
.page-products .card-pc {
  border-color: rgba(139, 92, 246, 0.3);
}
.page-products .card-pc:hover {
  border-color: var(--color-brand-start);
  box-shadow: 0 0 24px var(--glow-pc);
}
.page-products .card-mobile {
  border-color: rgba(6, 182, 212, 0.3);
}
.page-products .card-mobile:hover {
  border-color: var(--color-brand-end);
  box-shadow: 0 0 24px var(--glow-mobile);
}
.page-products .card-web {
  border-color: rgba(249, 115, 22, 0.3);
}
.page-products .card-web:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 24px var(--glow-web);
}
#plat-pc:checked ~ .platform-cards .card-pc {
  border-color: var(--color-brand-start);
  box-shadow: 0 0 28px var(--glow-pc), inset 0 0 12px rgba(139, 92, 246, 0.08);
  opacity: 1;
}
#plat-pc:checked ~ .platform-cards .card-mobile,
#plat-pc:checked ~ .platform-cards .card-web {
  opacity: 0.45;
  transform: scale(0.97);
}
#plat-mobile:checked ~ .platform-cards .card-mobile {
  border-color: var(--color-brand-end);
  box-shadow: 0 0 28px var(--glow-mobile), inset 0 0 12px rgba(6, 182, 212, 0.08);
  opacity: 1;
}
#plat-mobile:checked ~ .platform-cards .card-pc,
#plat-mobile:checked ~ .platform-cards .card-web {
  opacity: 0.45;
  transform: scale(0.97);
}
#plat-web:checked ~ .platform-cards .card-web {
  border-color: var(--color-accent);
  box-shadow: 0 0 28px var(--glow-web), inset 0 0 12px rgba(249, 115, 22, 0.08);
  opacity: 1;
}
#plat-web:checked ~ .platform-cards .card-pc,
#plat-web:checked ~ .platform-cards .card-mobile {
  opacity: 0.45;
  transform: scale(0.97);
}
.page-products .card-img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  clip-path: var(--clip-angle);
  margin-bottom: 1rem;
  transition: transform var(--card-transition);
}
.page-products .platform-card:hover .card-img {
  transform: scale(1.04);
}
.page-products .card-platform {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}
.page-products .card-desc {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}
.page-products .step-guides {
  position: relative;
  min-height: 280px;
}
.page-products .step-guide {
  display: none;
  animation: stepFadeIn 0.5s ease forwards;
}
#plat-pc:checked ~ .step-guides .step-pc {
  display: block;
}
#plat-mobile:checked ~ .step-guides .step-mobile {
  display: block;
}
#plat-web:checked ~ .step-guides .step-web {
  display: block;
}
@keyframes stepFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-products .step-guide-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}
.page-products .step-badge {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}
.page-products .step-guide-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  margin: 0;
}
.page-products .step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-products .step-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.875rem 1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  clip-path: var(--clip-angle);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.page-products .step-item:hover {
  border-color: var(--color-brand-start);
  box-shadow: 0 0 12px var(--glow-pc);
}
.page-products .step-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-brand-start);
  filter: drop-shadow(0 0 6px var(--color-glow));
  flex-shrink: 0;
  min-width: 2.2rem;
  text-align: center;
  animation: stepRotateIn 0.5s ease forwards;
  animation-delay: var(--step-delay, 0s);
  opacity: 0;
}
#plat-mobile:checked ~ .step-guides .step-num {
  color: var(--color-brand-end);
  filter: drop-shadow(0 0 6px rgba(6, 182, 212, 0.5));
}
#plat-web:checked ~ .step-guides .step-num {
  color: var(--color-accent);
  filter: drop-shadow(0 0 6px rgba(249, 115, 22, 0.5));
}
@keyframes stepRotateIn {
  0% {
    opacity: 0;
    transform: rotate(-90deg) scale(0.6);
  }
  100% {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}
.page-products .step-content {
  flex: 1;
}
.page-products .step-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  margin-bottom: 0.15rem;
}
.page-products .step-desc {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}
.page-products .cost-panel {
  position: relative;
}
.page-products .cost-decoration {
  margin-bottom: 1.5rem;
  overflow: hidden;
  clip-path: var(--clip-angle);
}
.page-products .cost-banner {
  width: 100%;
  height: auto;
  max-height: 150px;
  object-fit: cover;
  display: block;
}
.page-products .cost-title {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}
.page-products .cost-subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0 0 1.25rem;
}
.page-products .cost-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1rem;
}
.page-products .cost-table {
  width: 100%;
  min-width: 520px;
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-primary);
}
.page-products .cost-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}
.page-products .cost-table th {
  background: var(--color-bg-tertiary);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.75rem 0.75rem;
  text-align: left;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.page-products .cost-table th:first-child {
  padding-left: 0.5rem;
}
.page-products .cost-table th:last-child {
  text-align: right;
  padding-right: 0.5rem;
}
.page-products .cost-row {
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}
.page-products .cost-row:hover {
  background: rgba(139, 92, 246, 0.06);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.06);
}
.page-products .cost-row td {
  padding: 0.75rem 0.75rem;
  border-bottom: 1px solid rgba(139, 92, 246, 0.08);
  vertical-align: middle;
}
.page-products .cost-row td:first-child {
  padding-left: 0.5rem;
}
.page-products .cost-row td:last-child {
  text-align: right;
  padding-right: 0.5rem;
}
.page-products .platform-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.05em;
  border: 1px solid;
  clip-path: var(--clip-angle);
}
.page-products .tag-pc {
  color: var(--color-brand-start);
  border-color: var(--color-brand-start);
}
.page-products .tag-mobile {
  color: var(--color-brand-end);
  border-color: var(--color-brand-end);
}
.page-products .tag-web {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.page-products .cell-fee,
.page-products .cell-cost,
.page-products .cell-update {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
}
.page-products .cell-trend {
  width: 72px;
}
.page-products .trend-svg {
  display: inline-block;
  vertical-align: middle;
  filter: drop-shadow(0 0 4px rgba(139, 92, 246, 0.2));
}
.page-products .cost-details {
  margin-top: 1rem;
  border: 1px solid var(--color-border);
  clip-path: var(--clip-angle);
  background: var(--color-bg-secondary);
}
.page-products .cost-details-summary {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  list-style: none;
  user-select: none;
}
.page-products .cost-details-summary::-webkit-details-marker {
  display: none;
}
.page-products .cost-details-summary::before {
  content: '▶ ';
  font-size: 0.6rem;
  display: inline-block;
  transition: transform var(--transition-fast);
  margin-right: 0.4rem;
}
.page-products .cost-details[open] .cost-details-summary::before {
  transform: rotate(90deg);
}
.page-products .cost-details-summary:hover {
  color: var(--color-brand-start);
  background: rgba(139, 92, 246, 0.04);
}
.page-products .cost-details-body {
  padding: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.page-products .history-chart {
  width: 100%;
  max-width: 300px;
  height: auto;
}
.page-products .cost-details-note {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin: 0;
  text-align: center;
}
.page-products .cost-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  justify-content: center;
}
.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--color-border);
  clip-path: var(--clip-angle);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  user-select: none;
}
.page-products .btn:hover {
  transform: translateY(-2px);
}
.page-products .btn-primary {
  background: linear-gradient(135deg, var(--color-brand-start), var(--color-brand-end));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.25);
}
.page-products .btn-primary:hover {
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}
.page-products .btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.page-products .btn-secondary:hover {
  border-color: var(--color-brand-start);
  box-shadow: 0 0 12px var(--glow-pc);
}
.page-products .trust-note {
  padding: 1rem 1.25rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  clip-path: var(--clip-angle);
}
.page-products .trust-text {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
  text-align: center;
}
.page-products .trust-email {
  color: var(--color-brand-start);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-products .trust-email:hover {
  color: var(--color-accent);
}
@media (min-width: 640px) {
  .page-products {
    padding: 0 var(--panel-padding) 4rem;
    gap: 3rem;
  }
  .page-products .platform-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .page-products .platform-card {
    padding: 2rem 1.25rem;
  }
  .page-products .card-img {
    width: 140px;
    height: 140px;
  }
  .page-products .step-list {
    gap: 1.25rem;
  }
  .page-products .step-item {
    padding: 1rem 1.25rem;
  }
  .page-products .step-num {
    font-size: 2rem;
    min-width: 2.5rem;
  }
  .page-products .step-badge {
    width: 48px;
    height: 48px;
  }
  .page-products .step-guide-title {
    font-size: 1.25rem;
  }
  .page-products .cost-table-wrap {
    margin-bottom: 1.5rem;
  }
  .page-products .cost-actions {
    justify-content: flex-start;
  }
}
@media (min-width: 1024px) {
  .page-products {
    padding: 0 2rem 5rem;
    gap: 4rem;
  }
  .page-products .platform-cards {
    gap: 2rem;
  }
  .page-products .platform-card {
    padding: 2.5rem 1.5rem;
  }
  .page-products .card-img {
    width: 160px;
    height: 160px;
  }
  .page-products .step-guide {
    max-width: 720px;
    margin: 0 auto;
  }
  .page-products .step-list {
    gap: 1.5rem;
  }
  .page-products .step-num {
    font-size: 2.25rem;
    min-width: 3rem;
  }
  .page-products .cost-table {
    font-size: 0.9rem;
  }
  .page-products .cost-table th,
  .page-products .cost-row td {
    padding: 0.875rem 1rem;
  }
  .page-products .cost-details-body {
    flex-direction: row;
    justify-content: center;
  }
  .page-products .history-chart {
    max-width: 400px;
  }
}

.page-products {
  --step-delay: inherit;
}