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

:root {
  --primary: #1a1a2e;
  --accent: #e94560;
  --accent-hover: #d63851;
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --bg-dark: #1a1a2e;
  --text: #333333;
  --text-light: #666666;
  --text-white: #ffffff;
  --border: #e0e0e0;
  --max-width: 960px;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  color: var(--text);
  line-height: 1.8;
  font-size: 15px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 0 24px;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 2px;
}

.nav { display: flex; gap: 24px; align-items: center; }
.nav a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}
.nav a:hover { color: var(--primary); }
.nav a.current { color: var(--primary); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-secondary:hover { background: var(--accent); color: var(--text-white); }

.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sections */
.section {
  padding: 64px 24px;
}

.section-alt {
  background: var(--bg-alt);
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-white);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 48px;
  font-size: 15px;
}

/* Hero */
.hero {
  padding: 80px 24px;
  text-align: center;
}

.hero-label {
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 24px;
}

.hero p {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 32px;
  line-height: 1.9;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 24px;
}

.card-label {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* Feature */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.feature:last-child { margin-bottom: 0; }

.feature.reverse { direction: rtl; }
.feature.reverse > * { direction: ltr; }

.feature-image {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 48px;
  text-align: center;
  color: var(--text-light);
  font-size: 14px;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.feature p {
  color: var(--text-light);
  margin-bottom: 12px;
  font-size: 14px;
}

.feature-notes {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.feature-notes li {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 6px;
  list-style: none;
  padding-left: 20px;
  position: relative;
}

.feature-notes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 600;
  background: var(--bg-alt);
  font-size: 13px;
}

td:first-child { font-weight: 500; }

.table-highlight {
  background: #fff5f7;
  font-weight: 600;
}

/* Price Card */
.price-card {
  max-width: 480px;
  margin: 0 auto 48px;
  background: var(--bg);
  border: 2px solid var(--primary);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
}

.price-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.price-amount {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  margin: 16px 0;
}

.price-amount span {
  font-size: 16px;
  font-weight: 400;
}

.price-card .includes {
  text-align: left;
  margin: 24px 0;
}

.price-card .includes li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  list-style: none;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
}

.price-card .badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-top: 16px;
}

/* Secondary price card */
.price-card-secondary {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
}

.price-card-secondary h3 { font-size: 16px; margin-bottom: 8px; }
.price-card-secondary .price-amount { font-size: 28px; }

/* Voice cards */
.voice-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 24px;
}

.voice-meta {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.voice-meta strong {
  color: var(--text);
  font-size: 16px;
}

.voice-change {
  display: flex;
  gap: 24px;
  margin: 16px 0;
}

.voice-change .stat {
  background: var(--bg-alt);
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 13px;
}

.voice-change .stat strong {
  display: block;
  font-size: 20px;
  color: var(--accent);
}

.voice-quote {
  font-style: italic;
  color: var(--text-light);
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  margin-top: 16px;
}

/* Timeline */
.timeline {
  max-width: 600px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.timeline-day {
  font-weight: 600;
  color: var(--primary);
}

/* Phase */
.phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.phase {
  text-align: center;
  padding: 24px;
}

.phase-num {
  display: inline-block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  line-height: 32px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.phase h4 { font-size: 15px; margin-bottom: 4px; }
.phase .period { font-size: 12px; color: var(--text-light); margin-bottom: 8px; }
.phase p { font-size: 13px; color: var(--text-light); }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step { text-align: center; }
.step-num {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text-light); }

/* FAQ */
details {
  border-bottom: 1px solid var(--border);
}

summary {
  padding: 16px 0;
  cursor: pointer;
  font-weight: 500;
  font-size: 15px;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }

summary::before {
  content: "▶";
  font-size: 10px;
  margin-right: 12px;
  display: inline-block;
  transition: transform 0.2s;
}

details[open] summary::before { transform: rotate(90deg); }

details .answer {
  padding: 0 0 16px 22px;
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.9;
}

.faq-category {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  padding: 24px 0 8px;
  letter-spacing: 1px;
}

/* Guarantee */
.guarantee {
  text-align: center;
  padding: 40px;
  background: var(--bg-alt);
  border-radius: 12px;
  margin: 48px 0;
}

.guarantee h3 { font-size: 18px; margin-bottom: 12px; }
.guarantee p { font-size: 14px; color: var(--text-light); max-width: 500px; margin: 0 auto; }

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 64px 24px;
  background: var(--bg-dark);
  color: var(--text-white);
}

.cta-section h2 {
  font-size: 22px;
  margin-bottom: 12px;
}

.cta-section p {
  color: #aaa;
  margin-bottom: 32px;
  font-size: 14px;
}

/* Sticky CTA (mobile) */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  gap: 8px;
  justify-content: center;
  z-index: 100;
}

.sticky-cta .btn { font-size: 13px; padding: 10px 20px; flex: 1; text-align: center; max-width: 200px; }

/* Footer */
.footer {
  padding: 48px 24px;
  background: var(--bg-alt);
  text-align: center;
  font-size: 13px;
  color: var(--text-light);
  padding-bottom: 80px; /* space for sticky CTA */
}

.footer-links { margin: 16px 0; }
.footer-links a {
  color: var(--text-light);
  text-decoration: none;
  margin: 0 12px;
}
.footer-links a:hover { color: var(--text); }

/* Info boxes */
.info-box {
  background: var(--bg-alt);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 16px;
}

.info-box h4 {
  font-size: 15px;
  margin-bottom: 8px;
}

.info-box p {
  font-size: 14px;
  color: var(--text-light);
}

/* Authority / Social Proof */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
  padding: 40px 24px;
  background: var(--primary);
  color: var(--text-white);
}

.stats-bar .stat-item {
  padding: 16px;
  border-right: 1px solid rgba(255,255,255,0.15);
}

.stats-bar .stat-item:last-child { border-right: none; }

.stats-bar .stat-number {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
}

.stats-bar .stat-number span {
  font-size: 16px;
  font-weight: 400;
}

.stats-bar .stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
  letter-spacing: 1px;
}

.logo-strip {
  padding: 40px 24px;
  text-align: center;
}

.logo-strip p {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: 2px;
  margin-bottom: 24px;
}

.logo-strip .logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.logo-strip .logo-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  min-width: 160px;
}

.media-strip {
  padding: 32px 24px;
  background: var(--bg-alt);
  text-align: center;
}

.media-strip p.label {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.media-strip .media-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.media-strip .media-item {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  padding: 8px 16px;
}

.authority-badge {
  display: inline-block;
  background: #fff3cd;
  color: #856404;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 4px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav { display: none; }
  .hero h1 { font-size: 24px; }
  .cards { grid-template-columns: 1fr; }
  .feature { grid-template-columns: 1fr; }
  .feature.reverse { direction: ltr; }
  .phases { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .voice-change { flex-direction: column; gap: 8px; }
  .price-card { padding: 24px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stats-bar .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .stats-bar .stat-number { font-size: 28px; }
}