:root {
  --bg: #FAF9F6;
  --ink: #1A1A2E;
  --ink-soft: #5A5A72;
  --accent: #6C5CE7;
  --accent-soft: #E8E6FF;
  --success: #00B894;
  --success-soft: #DFF8F0;
  --warn: #E17055;
  --border: #E4E1DA;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans JP', sans-serif; background: var(--bg); color: var(--ink); line-height: 1.8; }
h1, h2, h3 { font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 700; letter-spacing: 0.02em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.5rem; }
a { color: inherit; text-decoration: none; }

/* Header */
header { position: sticky; top: 0; z-index: 50; background: rgba(250,249,246,0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; }
.logo { font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 700; font-size: 1.25rem; display: flex; align-items: center; gap: 8px; }
.logo-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.nav-links { display: flex; gap: 2rem; font-size: 14px; color: var(--ink-soft); }
.nav-links a:hover { color: var(--accent); }
.btn-nav { background: var(--ink); color: #fff; border: none; border-radius: 999px; padding: 0.6rem 1.4rem; font-size: 14px; font-weight: 500; cursor: pointer; font-family: inherit; transition: background 0.2s; }
.btn-nav:hover { background: var(--accent); }

/* Buttons */
.btn-primary { background: var(--accent); color: #fff; border: none; border-radius: 999px; padding: 0.85rem 2rem; font-size: 15px; font-weight: 500; cursor: pointer; font-family: inherit; transition: box-shadow 0.2s, transform 0.1s; }
.btn-primary:hover { box-shadow: 0 4px 20px rgba(108,92,231,0.35); }
.btn-primary:active { transform: scale(0.98); }
.btn-outline { background: transparent; color: var(--ink); border: 1px solid var(--border); border-radius: 999px; padding: 0.85rem 2rem; font-size: 15px; font-weight: 500; cursor: pointer; font-family: inherit; transition: border-color 0.2s, color 0.2s; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* Eyebrow */
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--accent); font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 1rem; }
.eyebrow::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* Section */
.section { padding: 5rem 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 3rem; }
.section-head .eyebrow { justify-content: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-bottom: 0.75rem; line-height: 1.35; }
.section-head p { color: var(--ink-soft); font-size: 15px; line-height: 1.9; }

/* Hero */
.hero { padding: 5rem 0 4rem; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; align-items: center; }
.hero-aio-summary { background: var(--accent-soft); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; padding: 0.75rem 1rem; font-size: 14px; color: var(--ink); line-height: 1.7; margin-bottom: 1.5rem; }
.hero h1 { font-size: clamp(2rem, 4.2vw, 3.2rem); line-height: 1.3; margin-bottom: 1.25rem; }
.hero h1 .hl { color: var(--accent); }
.hero-lead { font-size: 15px; color: var(--ink-soft); max-width: 480px; margin-bottom: 2rem; line-height: 1.9; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 1.5rem; }
.hero-trust { font-size: 12px; color: var(--ink-soft); display: flex; align-items: center; gap: 8px; }
.hero-trust::before { content: '✓'; color: var(--success); font-weight: 700; }

/* Score card */
.score-card { background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 2rem; box-shadow: 0 24px 64px -32px rgba(26,26,46,0.22); }
.score-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.score-card-label { font-size: 12px; color: var(--ink-soft); letter-spacing: 0.08em; }
.score-card-url { font-size: 12px; font-weight: 500; color: var(--accent); }
.meter-wrap { display: flex; flex-direction: column; align-items: center; padding: 0.5rem 0 1.25rem; }
.meter { width: 180px; height: 90px; position: relative; overflow: hidden; }
.meter svg { width: 100%; height: 100%; }
.meter-value { position: absolute; bottom: 4px; left: 0; right: 0; text-align: center; font-family: 'Zen Kaku Gothic New', sans-serif; font-weight: 700; font-size: 2.4rem; color: var(--ink); }
.meter-sub { font-size: 11px; color: var(--ink-soft); margin-top: 0.5rem; }
.score-rows { display: grid; gap: 10px; }
.score-row { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.score-row .sname { width: 110px; color: var(--ink-soft); flex-shrink: 0; }
.bar-track { flex: 1; height: 6px; background: var(--accent-soft); border-radius: 3px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 3px; }
.bar-fill.hi { background: var(--success); }
.bar-fill.mid { background: var(--accent); }
.bar-fill.lo { background: var(--warn); }
.score-row .spct { width: 30px; text-align: right; font-weight: 500; }

/* Problem */
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2.5rem; }
.compare-card { border-radius: 20px; padding: 1.75rem; }
.compare-card.old { background: #fff; border: 1px solid var(--border); }
.compare-card.new { background: var(--ink); color: #fff; }
.compare-card h3 { font-size: 1rem; margin-bottom: 1rem; }
.compare-card.old h3 { color: var(--ink-soft); }
.compare-card.new h3 { color: var(--accent-soft); }
.compare-card ul { list-style: none; display: grid; gap: 0.75rem; font-size: 14px; }
.compare-card.old ul { color: var(--ink-soft); }
.compare-card.new ul { color: #D8D6F0; }
.compare-card li { display: flex; align-items: flex-start; gap: 10px; }
.compare-card.old li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--border); margin-top: 9px; flex-shrink: 0; }
.compare-card.new li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-top: 9px; flex-shrink: 0; }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.pain-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; }
.pain-icon { width: 40px; height: 40px; border-radius: 12px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; font-size: 18px; color: var(--accent); }
.pain-card h4 { font-size: 0.95rem; margin-bottom: 0.5rem; line-height: 1.6; }
.pain-card p { font-size: 13px; color: var(--ink-soft); }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; transition: border-color 0.2s, transform 0.2s; }
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feature-icon { width: 40px; height: 40px; border-radius: 12px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; font-size: 18px; color: var(--accent); }
.feature-card h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.feature-card p { font-size: 13px; color: var(--ink-soft); }
.feature-card.lead { grid-column: span 3; background: var(--accent-soft); display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.feature-card.lead .feature-icon { background: var(--accent); color: #fff; width: 56px; height: 56px; border-radius: 16px; font-size: 24px; flex-shrink: 0; }
.feature-card.lead h3 { font-size: 1.2rem; }
.feature-card.lead p { font-size: 14px; }
.badge-new { font-size: 10px; background: var(--accent); color: #fff; padding: 1px 8px; border-radius: 999px; margin-left: 6px; font-weight: 500; vertical-align: middle; }

/* Share section */
.share-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 1.5rem; }
.share-card { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 1.75rem; }
.share-card h3 { font-size: 1rem; margin-bottom: 1.25rem; display: flex; align-items: center; gap: 8px; color: var(--ink); }
.share-bars { display: grid; gap: 14px; }
.share-bar-row { display: grid; gap: 6px; }
.sbar-head { display: flex; justify-content: space-between; font-size: 13px; }
.sbar-name { font-weight: 500; }
.sbar-val { color: var(--ink-soft); }
.sbar-track { height: 8px; background: var(--accent-soft); border-radius: 4px; overflow: hidden; }
.sbar-fill { height: 100%; border-radius: 4px; }
.sbar-fill.self { background: var(--accent); }
.sbar-fill.rival { background: #D3D1C7; }
.platform-list { display: grid; gap: 10px; }
.platform-row { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1rem; background: var(--bg); border-radius: 12px; font-size: 13px; }
.platform-name { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.trend { font-size: 11px; padding: 2px 10px; border-radius: 999px; }
.trend.up { background: var(--success-soft); color: var(--success); }
.trend.flat { background: var(--accent-soft); color: var(--accent); }

/* Stats */
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.stat-item { text-align: center; }
.stat-num { font-family: 'Zen Kaku Gothic New', sans-serif; font-size: 2.4rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 13px; color: var(--ink-soft); margin-top: 0.25rem; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: 1rem; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.faq-q { font-size: 15px; font-weight: 500; padding: 1.25rem 1.5rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-q::after { content: '+'; font-size: 20px; font-weight: 400; color: var(--accent); flex-shrink: 0; transition: transform 0.2s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { font-size: 14px; color: var(--ink-soft); line-height: 1.85; padding: 0 1.5rem 1.25rem; display: none; }
.faq-item.open .faq-a { display: block; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.price-card { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 2rem; display: flex; flex-direction: column; }
.price-card.featured { border: 2px solid var(--accent); position: relative; box-shadow: 0 20px 50px -30px rgba(108,92,231,0.4); }
.price-card.featured::before { content: '最もご好評'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 11px; font-weight: 500; padding: 4px 18px; border-radius: 999px; white-space: nowrap; }
.price-plan-name { font-size: 13px; color: var(--ink-soft); margin-bottom: 0.5rem; }
.price-card h3 { font-size: 1.3rem; margin-bottom: 0.25rem; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin: 1rem 0 1.5rem; }
.price-num { font-family: 'Zen Kaku Gothic New', sans-serif; font-size: 2.4rem; font-weight: 700; }
.price-unit { font-size: 13px; color: var(--ink-soft); }
.price-features { list-style: none; display: grid; gap: 0.65rem; font-size: 13px; color: var(--ink-soft); margin-bottom: 1.5rem; flex: 1; }
.price-features li { display: flex; align-items: flex-start; gap: 8px; }
.price-features li::before { content: '✓'; color: var(--success); font-weight: 700; flex-shrink: 0; }
.price-cta { width: 100%; border-radius: 999px; padding: 0.75rem; font-size: 14px; font-weight: 500; cursor: pointer; font-family: inherit; border: 1px solid var(--border); background: transparent; color: var(--ink); transition: all 0.2s; }
.price-card.featured .price-cta { background: var(--accent); color: #fff; border: none; }
.price-cta:hover { border-color: var(--accent); color: var(--accent); }
.price-card.featured .price-cta:hover { opacity: 0.9; color: #fff; }

/* Final CTA */
.final-section { background: var(--ink); color: #fff; border-radius: 28px; padding: 4rem 2rem; text-align: center; }
.final-section h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 0.75rem; color: #fff; }
.final-section p { color: #B8B6D4; margin-bottom: 2rem; font-size: 15px; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 2.5rem 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--ink-soft); flex-wrap: wrap; gap: 1rem; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 2.5rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.lead { grid-column: span 2; }
  .share-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; gap: 2rem; }
  .nav-links { display: none; }
}
@media (max-width: 540px) {
  .pain-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.lead { grid-column: span 1; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}