/*
  Global Styles for メガWi‑Fi Landing Page
  Color palette:
    Primary: #0245A3 (Deep Blue)
    Secondary: #FF7A00 (Orange)
    Accent: #111111 (Charcoal Black)
    Neutral: #F5F7FA (Light Gray)
*/

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Helvetica Neue', 'Arial', sans-serif;
  line-height: 1.6;
  color: #2B2B2B;
  background-color: #FFFFFF;
}

a {
  color: #0245A3;
  text-decoration: none;
}

.container {
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.site-header {
  background-color: #0245A3;
  color: #FFFFFF;
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: 1.5rem;
  margin: 0;
  font-weight: bold;
}

.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
}

.primary-nav a {
  color: #FFFFFF;
  font-weight: 500;
  font-size: 0.9rem;
  transition: opacity 0.3s;
}

.primary-nav a:hover {
  opacity: 0.8;
}

.cta-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: bold;
  text-align: center;
  transition: background-color 0.3s, opacity 0.3s;
}

.cta-button.primary {
  background-color: #FF7A00;
  color: #FFFFFF;
}

.cta-button.secondary {
  background-color: #0245A3;
  color: #FFFFFF;
}

.cta-button:hover {
  opacity: 0.85;
}

/* Hero */
.hero {
  position: relative;
  color: #FFFFFF;
  padding: 5rem 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(2, 69, 163, 0.7) 0%, rgba(2, 69, 163, 0.5) 40%, rgba(5, 100, 196, 0.2) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Stacked Hero Layout */
.hero-content-stacked {
  position: relative;
  z-index: 2;
}

/* New Hero Layout - Two Column */
.hero-layout {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.hero-left {
  flex: 1;
  text-align: center;
  max-width: 550px;
}

.hero-left .hero-headline {
  margin-bottom: 1rem;
}

.hero-left .hero-image {
  max-width: 450px;
  margin: 0 auto;
}

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

.hero-right {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  align-self: flex-end;
  padding-bottom: 3rem;
}

.hero-headline {
  margin-bottom: 0;
  margin-left: 50px;
}

.hero-headline h2 {
  font-size: 2.5rem;
  line-height: 1.3;
  margin: 0 0 1rem;
}

.hero-headline .highlight {
  color: #FFCE5D;
}

.hero-headline .subheadline {
  font-size: 1rem;
  opacity: 0.9;
  margin: 0;
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-left: 50px;
}

.hero-bottom .hero-image {
  flex: 0 0 500px;
  margin-top: 0;
}

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

.hero-cta-area {
  text-align: right;
}

.hero-text {
  flex: 1 1 50%;
}

.hero-text h2 {
  font-size: 2.5rem;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: 1rem;
}

.hero-text .highlight {
  color: #FFCE5D;
}

.hero-text .subheadline {
  font-size: 1rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-image {
  flex: 1 1 40%;
  text-align: center;
}

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

/* Sections */
section {
  padding: 4rem 0;
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
  color: #0245A3;
}

/* Features */
.features {
  background-color: #F5F7FA;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.feature-item {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.feature-icon {
  font-size: 2rem;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.feature-item h3 {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
  color: #0245A3;
}

.feature-item p {
  font-size: 0.875rem;
}

/* Usage */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.usage-item {
  text-align: center;
}

.usage-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 1rem;
}

.usage-item h3 {
  margin: 0.5rem 0;
  font-size: 1.25rem;
  color: #0245A3;
}

.usage-item p {
  font-size: 0.875rem;
}

/* Plans */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.plan-card {
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 1.5rem;
  background-color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.plan-card.recommended {
  border-color: #FF7A00;
  position: relative;
}

.plan-card.recommended::before {
  content: 'おすすめ';
  position: absolute;
  top: -0.75rem;
  left: 1rem;
  background-color: #FF7A00;
  color: #FFFFFF;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.plan-card h3 {
  margin-top: 0;
  font-size: 1.5rem;
  color: #0245A3;
  white-space: nowrap;
}

.plan-card .plan-title {
  white-space: nowrap;
}

.plan-volume {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.plan-price {
  font-size: 2rem;
  margin: 0.5rem 0;
  color: #FF7A00;
}

.plan-price .per {
  font-size: 0.875rem;
  color: #2B2B2B;
  margin-left: 0.25rem;
}

.plan-details {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  font-size: 0.875rem;
  color: #2B2B2B;
}

.plan-details li {
  margin-bottom: 0.5rem;
}

.plan-note {
  font-size: 0.75rem;
  margin-top: 1rem;
  text-align: center;
  color: #6B7280;
}

/* Comparison */
.comparison-note {
  text-align: center;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  color: #6B7280;
}

.comparison-subtitle {
  font-size: 1.25rem;
  color: #0245A3;
  margin: 1.5rem 0 0.5rem;
}

.table-wrapper {
  overflow-x: auto;
  margin-bottom: 2rem;
  padding-top: 1rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table th,
.comparison-table td {
  border: 1px solid #E5E7EB;
  padding: 0.75rem;
  text-align: center;
  font-size: 0.875rem;
}

.comparison-table th {
  background-color: #F5F7FA;
  color: #0245A3;
  font-weight: 600;
}

.comparison-table td:first-child {
  font-weight: 600;
  color: #374151;
  text-align: left;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item+.faq-item {
  margin-top: 1rem;
}

.faq-question {
  width: 100%;
  text-align: left;
  background-color: #F5F7FA;
  border: 1px solid #E5E7EB;
  padding: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #0245A3;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-answer {
  display: none;
  padding: 0.75rem 1rem;
  border: 1px solid #E5E7EB;
  border-top: none;
  border-radius: 0 0 4px 4px;
  background-color: #FFFFFF;
  font-size: 0.875rem;
  color: #374151;
}

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

/* Contact */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form .form-row {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
}

.contact-form label {
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  color: #0245A3;
}

.contact-form input,
.contact-form textarea {
  padding: 0.75rem;
  border: 1px solid #E5E7EB;
  border-radius: 4px;
  font-size: 1rem;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #0245A3;
  box-shadow: 0 0 0 2px rgba(2, 69, 163, 0.2);
}

.contact-form .form-actions {
  text-align: center;
}

.contact-note {
  margin-top: 1rem;
  font-size: 0.875rem;
  text-align: center;
  color: #6B7280;
}

/* Footer */
.site-footer {
  background-color: #0a2540;
  color: #FFFFFF;
  padding: 2rem 0;
}

.site-footer .footer-content {
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.6;
}

.site-footer a {
  color: #FFCE5D;
}

/* Device Showcase */
.device-showcase {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1rem;
}

.device-showcase .device-front {
  max-width: 55%;
  height: auto;
  z-index: 2;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.25));
}

.device-showcase .device-side {
  max-width: 40%;
  height: auto;
  opacity: 0.9;
  transform: translateX(-15%) scale(0.9);
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.2));
}

/* Comparison Enhancement */
.comparison-lead {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #374151;
}

.comparison-lead strong {
  color: #FF7A00;
}

.comparison-table th.highlight-col,
.comparison-table td.highlight-col {
  background: linear-gradient(180deg, rgba(2, 69, 163, 0.08) 0%, rgba(2, 69, 163, 0.04) 100%);
  border-left: 3px solid #0245A3;
  border-right: 3px solid #0245A3;
}

.comparison-table th.highlight-col {
  background: linear-gradient(180deg, #0245A3 0%, #0564C4 100%);
  color: #FFFFFF;
  font-size: 1rem;
  position: relative;
}

.comparison-table th.highlight-col .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #FF7A00;
  color: #FFFFFF;
  font-size: 0.65rem;
  padding: 3px 10px;
  border-radius: 12px;
  white-space: nowrap;
  font-weight: bold;
}

.comparison-table td.best {
  font-weight: 600;
  color: #0245A3;
}

.comparison-table td.best strong {
  color: #FF7A00;
  font-size: 1.1em;
}

.comparison-table td .diff {
  display: block;
  font-size: 0.7rem;
  color: #16a34a;
  font-weight: 500;
  margin-top: 2px;
}

.comparison-table td.muted {
  color: #9CA3AF;
}

.comparison-table .icon-ok {
  color: #16a34a;
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: 4px;
}

.comparison-table .icon-ng {
  color: #dc2626;
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: 4px;
}

.comparison-table .icon-warn {
  color: #f59e0b;
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: 4px;
}

.comparison-verdict {
  text-align: center;
  font-size: 1.1rem;
  color: #0245A3;
  margin: 1.5rem 0 2.5rem;
  padding: 0.75rem;
  background: linear-gradient(90deg, rgba(255, 122, 0, 0.1) 0%, rgba(2, 69, 163, 0.1) 100%);
  border-radius: 8px;
}

.comparison-verdict i {
  color: #FF7A00;
  width: 20px;
  height: 20px;
  vertical-align: middle;
  margin-right: 6px;
}

.comparison-verdict strong {
  color: #FF7A00;
}

.comparison-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.comparison-images img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
}

/* Support Section */
.support {
  background: #F5F7FA;
}

.support-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3rem;
}

.support-image {
  flex: 1 1 40%;
}

.support-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.support-text {
  flex: 1 1 50%;
}

.support-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.support-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.support-list li i {
  color: #0245A3;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.support-list li strong {
  color: #0245A3;
  white-space: nowrap;
}

.support-item-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.support-item-content strong {
  font-size: 1rem;
}

.support-item-content span {
  font-size: 0.875rem;
  color: #6B7280;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, #0245A3 0%, #0564C4 100%);
  text-align: center;
  padding: 4rem 0;
}

.cta-section h2 {
  color: #FFFFFF;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.cta-section .cta-button.primary {
  font-size: 1.1rem;
  padding: 1rem 2.5rem;
}

/* Hero Enhancements */
.hero-badges {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.badge-item {
  background: rgba(255, 255, 255, 0.15);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-item i {
  width: 14px;
  height: 14px;
}

.hero-highlights {
  display: flex;
  gap: 1.5rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  white-space: nowrap;
}

.highlight-item i {
  color: #4ade80;
  width: 20px;
  height: 20px;
}

.hero-price {
  margin: 1.5rem 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  background: rgba(255, 206, 93, 0.15);
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  border: 2px solid rgba(255, 206, 93, 0.4);
}

.price-label {
  font-size: 1.1rem;
  opacity: 0.95;
  font-weight: 500;
}

.price-value {
  font-size: 2.75rem;
  font-weight: bold;
  color: #FFCE5D;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.price-suffix {
  font-size: 1rem;
  opacity: 0.9;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  padding: 1rem 2rem;
}

.hero-cta i {
  width: 18px;
  height: 18px;
}

/* Section Title Accent */
.section-title .accent {
  color: #FF7A00;
}

.section-lead {
  text-align: center;
  color: #6B7280;
  margin-bottom: 2rem;
}

/* Problems Section */
.problems {
  background: linear-gradient(180deg, #FFF8F0 0%, #FFFFFF 100%);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: #FFFFFF;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  border-left: 4px solid #FF7A00;
}

.problem-icon {
  background: #FFF0E6;
  padding: 0.75rem;
  border-radius: 50%;
  color: #FF7A00;
}

.problem-icon i {
  width: 24px;
  height: 24px;
}

.problem-content h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: #2B2B2B;
}

.problem-pain {
  color: #dc2626;
  font-size: 0.875rem;
  margin: 0;
}

.problems-solution {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
}

.problems-solution i {
  color: #0245A3;
  width: 32px;
  height: 32px;
  animation: bounce 1.5s infinite;
}

.problems-solution p {
  font-size: 1.25rem;
  color: #0245A3;
  margin-top: 1rem;
}

.problems-solution .highlight {
  color: #FF7A00;
  font-weight: bold;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(8px);
  }
}

/* Features Enhancements */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

/* New Features Grid - matches Problems style */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.feature-item-new {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: #FFFFFF;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  border-left: 4px solid #16a34a;
}

.feature-icon {
  background: #dcfce7;
  padding: 0.75rem;
  border-radius: 50%;
  color: #16a34a;
}

.feature-icon i {
  width: 24px;
  height: 24px;
  stroke: #16a34a;
}

.feature-content h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: #2B2B2B;
}

.feature-content p {
  color: #6B7280;
  font-size: 0.875rem;
  margin: 0;
}

.feature-item {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon-wrapper {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #0245A3 0%, #0564C4 100%);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-icon-wrapper i {
  width: 28px;
  height: 28px;
  color: #FFFFFF;
  stroke: #FFFFFF;
}

.feature-icon-wrapper svg {
  color: #FFFFFF !important;
  stroke: #FFFFFF !important;
}

.feature-item h3 {
  margin: 0.75rem 0 0.5rem;
  font-size: 1.25rem;
  color: #0245A3;
}

.feature-item>p {
  font-size: 0.9rem;
  color: #6B7280;
  margin: 0;
  line-height: 1.6;
}

/* Feature Header - Horizontal Layout */
.feature-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: nowrap;
}

.feature-header .feature-icon-wrapper {
  margin-bottom: 0;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.feature-header .feature-icon-wrapper i {
  width: 22px;
  height: 22px;
}

.feature-header .feature-number {
  position: static;
  font-size: 1.5rem;
  color: #0245A3;
  opacity: 0.3;
  flex-shrink: 0;
}

.feature-header h3 {
  margin: 0;
  white-space: nowrap;
  font-size: 1.1rem;
}

.feature-item.feature-primary .feature-header .feature-number {
  color: #FF7A00;
  opacity: 0.8;
}

/* Feature Highlight Emphasis */
.feature-highlight {
  color: #FF7A00;
  font-weight: 700;
  font-size: 1rem;
  margin: 0.5rem 0;
  padding: 0.4rem 0.8rem;
  background: linear-gradient(90deg, rgba(255, 122, 0, 0.08) 0%, transparent 100%);
  border-left: 3px solid #FF7A00;
  display: inline-block;
}

/* How to Use Section */
.howto {
  background: linear-gradient(135deg, #0245A3 0%, #0564C4 100%);
  color: #FFFFFF;
}

.howto .section-title {
  color: #FFFFFF;
}

.howto .section-title .accent {
  color: #FFCE5D;
}

.steps-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Image-based Steps */
.steps-grid-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.step-item-image {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 1rem;
  text-align: center;
  position: relative;
}

.step-item-image .step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: #FF7A00;
  color: #FFFFFF;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.25rem;
}

.step-image {
  width: 100%;
  height: 200px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 0.75rem;
  background: #FFFFFF;
}

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

.step-item-image h3 {
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.step-item-image p {
  font-size: 0.875rem;
  opacity: 0.9;
  margin: 0;
}

.step-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  flex: 1 1 200px;
  max-width: 260px;
  position: relative;
}

.step-number {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #FF7A00;
  color: #FFFFFF;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1rem;
}

.step-icon {
  margin-bottom: 1rem;
}

.step-icon i {
  width: 48px;
  height: 48px;
  color: #FFCE5D;
}

.step-item h3 {
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.step-item p {
  font-size: 0.875rem;
  opacity: 0.9;
  margin: 0;
}

.step-arrow {
  color: rgba(255, 255, 255, 0.5);
}

.step-arrow i {
  width: 32px;
  height: 32px;
}

/* Capacity Guide Section */
.capacity-guide {
  background: #F5F7FA;
}

.capacity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.capacity-item {
  background: #FFFFFF;
  border: 2px solid #E5E7EB;
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.capacity-item:hover {
  transform: translateY(-4px);
}

.capacity-item.popular {
  border-color: #0245A3;
}

.capacity-item.recommended {
  border-color: #FF7A00;
  position: relative;
}

.capacity-item.recommended::before {
  content: 'おすすめ';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #FF7A00;
  color: #FFFFFF;
  padding: 0.25rem 1rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
}

.capacity-header {
  margin-bottom: 1rem;
}

.capacity-badge {
  display: inline-block;
  background: #E8F0FE;
  color: #0245A3;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.capacity-header h3 {
  font-size: 2rem;
  color: #0245A3;
  margin: 0.5rem 0 0;
}

.capacity-price {
  font-size: 1.75rem;
  font-weight: bold;
  color: #FF7A00;
  margin: 0.5rem 0;
}

.capacity-price span {
  font-size: 0.875rem;
  color: #6B7280;
  font-weight: normal;
}

.capacity-usage {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  text-align: left;
}

.capacity-usage li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: #374151;
}

.capacity-usage i {
  width: 16px;
  height: 16px;
  color: #16a34a;
}

.capacity-note {
  max-width: 600px;
  margin: 2rem auto 0;
  background: #E8F0FE;
  padding: 1rem;
  border-radius: 8px;
}

.capacity-note p {
  margin: 0;
  font-size: 0.875rem;
  color: #0245A3;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.capacity-note i {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Important Info Section */
.important-info {
  background: #F5F7FA;
}

.info-simple {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.info-qa {
  background: #FFFFFF;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.info-qa h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: #0245A3;
}

.info-qa h3 i {
  width: 20px;
  height: 20px;
  color: #FF7A00;
  stroke: #FF7A00;
}

.info-qa p {
  margin: 0;
  font-size: 0.9rem;
  color: #374151;
  line-height: 1.6;
}

.info-qa p strong {
  color: #0245A3;
}

@media (max-width: 768px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .primary-nav ul {
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
  }

  .hero-content {
    flex-direction: column-reverse;
    text-align: center;
  }

  .hero-text {
    flex-basis: 100%;
  }

  .hero-image {
    flex-basis: 100%;
    margin-bottom: 2rem;
  }

  .cta-button {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
  }

  .plan-card::before {
    left: 0.5rem;
    top: -1rem;
  }

  .device-showcase {
    flex-direction: column;
    align-items: center;
  }

  .device-showcase .device-front {
    max-width: 70%;
  }

  .device-showcase .device-side {
    max-width: 50%;
    transform: none;
    margin-top: 1rem;
  }

  .support-content {
    flex-direction: column;
  }

  .support-image {
    order: 2;
    flex-basis: 100%;
  }

  .support-text {
    order: 1;
    flex-basis: 100%;
  }

  .comparison-table th.highlight-col .badge {
    position: static;
    display: inline-block;
    transform: none;
    margin-bottom: 4px;
  }

  .hero-badges {
    justify-content: center;
  }

  .hero-highlights {
    justify-content: center;
  }

  .hero-price {
    justify-content: center;
  }

  .problems-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    flex-direction: column;
  }

  .step-arrow {
    transform: rotate(90deg);
  }

  .capacity-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }
}