:root {
  --main: #ff3b3b;
  --main-dark: #d81e1e;
  --dark: #14161c;
  --dark-2: #1d2028;
  --gray: #a6acbb;
  --gold: #f4b942;
  --radius: 14px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  color: #e8eaf0;
  background: var(--dark);
  line-height: 1.7;
}

a { text-decoration: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0; }

.section-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 64px 24px;
}

.pr-badge {
  background: #000;
  color: #fff;
  text-align: center;
  font-size: 0.78rem;
  padding: 6px 10px;
  letter-spacing: 0.02em;
}

.header {
  background: var(--dark);
  border-bottom: 1px solid #2a2d38;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--main);
  letter-spacing: 0.02em;
}
.logo span { color: #e8eaf0; font-size: 0.9rem; margin-left: 6px; }
.header-nav { display: flex; gap: 24px; }
.header-nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray);
}
.header-nav a:hover { color: var(--main); }

.hero {
  background: radial-gradient(circle at 30% 20%, #241820 0%, var(--dark) 60%);
  text-align: center;
  position: relative;
  border-bottom: 1px solid #2a2d38;
}
.hero-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 24px;
  position: relative;
}
.hero-eyebrow {
  color: var(--main);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: 2rem;
  line-height: 1.5;
  margin-bottom: 20px;
  color: #fff;
}
.hero-lead {
  color: var(--gray);
  font-size: 0.98rem;
  margin-bottom: 32px;
}
.btn-primary {
  display: inline-block;
  background: var(--main);
  color: #fff;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(255, 59, 59, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255, 59, 59, 0.5); }

.why h2, .ranking h2, .compare h2, .voice h2, .faq h2, .cta-final h2 {
  text-align: center;
  font-size: 1.7rem;
  margin-bottom: 8px;
  color: #fff;
}
.section-sub {
  text-align: center;
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 40px;
}
.why { background: var(--dark); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.why-card {
  background: var(--dark-2);
  border: 1px solid #2a2d38;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}
.why-icon { font-size: 2rem; margin-bottom: 12px; }
.why-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: #fff; }
.why-card p { color: var(--gray); font-size: 0.88rem; }

.ranking { background: var(--dark-2); }
.rank-card {
  display: flex;
  background: var(--dark);
  border: 1px solid #2a2d38;
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
}
.rank-card.rank-1 { border-color: var(--gold); }
.rank-badge {
  flex: 0 0 110px;
  background: #2a2d38;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  text-align: center;
  padding: 8px;
}
.rank-badge span { font-size: 1.2rem; line-height: 1; margin-top: 4px; }
.rank-1 .rank-badge { background: var(--gold); color: #14161c; }
.rank-badge-2, .rank-badge-3, .rank-badge-4, .rank-badge-5 { background: var(--main-dark); }

.rank-card-body { padding: 24px 28px; flex: 1; }
.rank-card-head h3 { font-size: 1.2rem; color: #fff; }
.rank-catch {
  color: var(--main);
  font-weight: 700;
  font-size: 0.92rem;
  margin: 10px 0 14px;
}
.rank-points li {
  position: relative;
  padding-left: 20px;
  font-size: 0.88rem;
  color: var(--gray);
  margin-bottom: 6px;
}
.rank-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--main);
  font-weight: 700;
}

.compare { background: var(--dark); }
.table-wrap { overflow-x: auto; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--dark-2);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.88rem;
}
.compare-table th, .compare-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid #2a2d38;
  color: #e8eaf0;
}
.compare-table thead th { background: var(--main-dark); color: #fff; }
.compare-table .highlight-row { background: #2a2016; }
.disclaimer-inline { text-align: center; font-size: 0.78rem; color: var(--gray); margin-top: 16px; }

.cta-final {
  background: linear-gradient(135deg, var(--main-dark), #7a1414);
  color: #fff;
  text-align: center;
}
.cta-final h2 { color: #fff; }
.cta-final p { max-width: 560px; margin: 16px auto 28px; font-size: 0.92rem; opacity: 0.9; }
.cta-final img { margin-top: 8px; }

.voice { background: var(--dark-2); }
.voice .disclaimer-inline { margin-bottom: 32px; margin-top: 0; }
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.voice-card {
  background: var(--dark);
  border: 1px solid #2a2d38;
  border-radius: var(--radius);
  padding: 22px;
}
.voice-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 10px;
  color: #fff;
}
.voice-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--main);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
}
.voice-card p { font-size: 0.86rem; color: var(--gray); }

.faq { background: var(--dark); }
.faq-list { max-width: 720px; margin: 32px auto 0; }
.faq-item {
  background: var(--dark-2);
  border: 1px solid #2a2d38;
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
.faq-item summary { cursor: pointer; font-weight: 700; font-size: 0.92rem; color: #fff; }
.faq-item p { margin-top: 10px; color: var(--gray); font-size: 0.88rem; }

.footer { background: #000; color: #8b90a0; }
.footer-inner { padding: 40px 24px; text-align: center; }
.footer-disclaimer { font-size: 0.75rem; line-height: 1.8; opacity: 0.85; }
.footer-copy { margin-top: 16px; font-size: 0.78rem; opacity: 0.6; }

@media (max-width: 768px) {
  .header-nav { display: none; }
  .hero h1 { font-size: 1.5rem; }
  .why-grid, .voice-grid { grid-template-columns: 1fr; }
  .rank-card { flex-direction: column; }
  .rank-badge { flex-direction: row; gap: 8px; }
}