/* ========== RESET & BASE ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #e8457c;
  --primary-light: #f472a8;
  --primary-dark: #c4305f;
  --bg: #0a0a0f;
  --bg-light: #12121a;
  --bg-lighter: #1a1a26;
  --bg-card: #14141f;
  --text: #e4e4ec;
  --text-muted: #9a9ab0;
  --text-dim: #6a6a80;
  --border: #2a2a3a;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --accent-red: #f87171;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --glow: 0 0 60px rgba(232, 69, 124, 0.15);
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--bg);
}

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: var(--primary);
  color: #fff;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--primary-light); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--primary);
  color: #fff !important;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.nav-cta:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(232, 69, 124, 0.4);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  margin: 5px 0;
  transition: all 0.3s;
  border-radius: 2px;
}

.mobile-menu {
  display: none;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

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

.mobile-menu a {
  display: block;
  padding: 12px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-radius: var(--radius-xs);
  transition: all 0.2s;
}

.mobile-menu a:hover {
  color: var(--primary);
  background: var(--bg-lighter);
}

/* ========== HERO ========== */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(232, 69, 124, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(232, 69, 124, 0.1);
  border: 1px solid rgba(232, 69, 124, 0.25);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-badge .pulse {
  width: 7px;
  height: 7px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.hero-subtitle .accent {
  color: var(--primary);
  font-weight: 600;
}

.hero-desc {
  color: var(--text-dim);
  margin-bottom: 32px;
  max-width: 520px;
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(232, 69, 124, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 69, 124, 0.5);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 50px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.3s;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.hero-trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-green);
}

.hero-visual {
  position: relative;
}

.hero-img-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow), var(--glow);
}

.hero-img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.7), transparent);
  pointer-events: none;
}

.hero-img-wrap img {
  width: 100%;
  border-radius: var(--radius);
}

.hero-img-label {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  z-index: 2;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
  color: #fff;
}

/* ========== SECTIONS ========== */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 40px;
  letter-spacing: -0.01em;
}

.section-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 40px 0 16px;
}

.section-content h3:first-child {
  margin-top: 0;
}

.section-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.section-content p strong {
  color: #fff;
  font-weight: 600;
}

.section-content blockquote {
  border-left: 3px solid var(--primary);
  background: var(--bg-lighter);
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.95rem;
}

.section-img {
  width: 100%;
  max-width: 600px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 28px auto;
}

/* ========== BULLET LIST ========== */
.bullet-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.bullet-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

.bullet-list li strong {
  color: #fff;
}

.bullet-list.warning li::before {
  background: var(--accent-amber);
}

/* ========== CTA SECTION ========== */
.cta-section {
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(232, 69, 124, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(232, 69, 124, 0.15);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, rgba(232, 69, 124, 0.08), transparent, rgba(232, 69, 124, 0.08));
  border-radius: var(--radius);
  z-index: -1;
  filter: blur(1px);
}

.cta-card h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.cta-card p {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.cta-trust-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.cta-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.cta-trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--text-dim);
}

/* ========== COMPARISON TABLE ========== */
.comparison-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.comparison-table thead {
  background: var(--bg-lighter);
}

.comparison-table th {
  text-align: left;
  padding: 14px 18px;
  color: #fff;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.comparison-table td {
  padding: 14px 18px;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(42, 42, 58, 0.5);
}

.comparison-table tbody tr:hover {
  background: rgba(232, 69, 124, 0.03);
}

.comparison-table td:first-child {
  color: #fff;
  font-weight: 500;
}

/* ========== PROS & CONS ========== */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 28px 0;
}

.pros-card, .cons-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 24px;
  border: 1px solid var(--border);
}

.pros-card { border-top: 3px solid var(--accent-green); }
.cons-card { border-top: 3px solid var(--accent-red); }

.pros-card h4, .cons-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}

.pros-card li, .cons-card li {
  position: relative;
  padding: 6px 0 6px 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
  list-style: none;
}

.pros-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: 700;
}

.cons-card li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: var(--accent-red);
  font-weight: 700;
}

/* ========== CONCLUSION ========== */
.conclusion-box {
  background: linear-gradient(135deg, var(--bg-lighter), var(--bg-card));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin: 32px 0;
}

.conclusion-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.conclusion-box p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 80px 0;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
}

.faq-question:hover {
  background: var(--bg-lighter);
}

.faq-question svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  opacity: 1;
}

.faq-answer p {
  padding: 0 22px 18px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

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

.footer-desc {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin: 14px 0 20px;
  line-height: 1.7;
}

.footer h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--text-dim);
  font-size: 0.85rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.disclaimer {
  color: var(--text-dim);
  font-size: 0.75rem;
  text-align: center;
  margin-bottom: 14px;
  line-height: 1.7;
}

.disclaimer strong {
  color: var(--text-muted);
}

.copyright {
  color: var(--text-dim);
  font-size: 0.82rem;
  text-align: center;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

  .nav-links {
    display: none !important;
  }

  .mobile-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    z-index: 110;
  }

  .mobile-menu {
    background: var(--bg);
    border-top: 1px solid var(--border);
  }

  .mobile-menu a {
    font-size: 1rem;
    padding: 14px 20px;
  }

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

  .pros-cons {
    grid-template-columns: 1fr;
  }

  .cta-card {
    padding: 32px 20px;
  }

  .section-img {
    max-width: 100%;
  }

  .faq-question {
    font-size: 0.92rem;
    padding: 16px 18px;
    gap: 12px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 110px 0 60px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .hero-trust {
    flex-direction: column;
    gap: 10px;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .comparison-table {
    font-size: 0.82rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px;
  }

  .cta-card h2 {
    font-size: 1.4rem;
  }

  .cta-trust-row {
    flex-direction: column;
    gap: 12px;
  }
}