/* factoring-lp 骨格スタイル
   方針: モバイルファースト / 白基調 + 紺系アクセント / 派手な演出なし */

:root {
  --navy: #1b2a4a;
  --navy-dark: #12203a;
  --accent: #2e4a7d;
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --text: #24292f;
  --text-sub: #5a6472;
  --border: #dfe4ec;
  --line-green: #06c755;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.logo {
  font-weight: 700;
  color: var(--navy);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  text-align: center;
  transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.85; }
.btn-primary {
  background: var(--navy);
  color: #fff;
}
.btn-line {
  background: var(--line-green);
  color: #fff;
}
.btn-small {
  padding: 8px 16px;
  font-size: 0.85rem;
  background: var(--navy);
  color: #fff;
}
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

/* ---------- hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  padding: 56px 0 48px;
  text-align: center;
}
.hero-eyebrow {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.hero h1 {
  font-size: 1.5rem;
  color: var(--navy);
  line-height: 1.6;
  margin-bottom: 16px;
}
.hero-lead {
  color: var(--text-sub);
  margin-bottom: 24px;
}
.hero-cta { margin-bottom: 16px; }
.hero-note {
  font-size: 0.8rem;
  color: var(--text-sub);
}

/* ---------- sections ---------- */
.section { padding: 48px 0; }
.section-alt { background: var(--bg-alt); }
.section h2 {
  text-align: center;
  color: var(--navy);
  font-size: 1.3rem;
  margin-bottom: 32px;
}

/* ---------- steps ---------- */
.steps {
  list-style: none;
  display: grid;
  gap: 20px;
}
.step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 {
  color: var(--navy);
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.step p { color: var(--text-sub); font-size: 0.95rem; }

/* ---------- features ---------- */
.features {
  display: grid;
  gap: 20px;
}
.feature {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.feature h3 {
  color: var(--navy);
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.feature p { color: var(--text-sub); font-size: 0.95rem; }

/* ---------- faq ---------- */
.faq { display: grid; gap: 16px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  background: var(--bg);
}
.faq-item dt {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.faq-item dd { color: var(--text-sub); font-size: 0.95rem; }

/* ---------- company ---------- */
.company-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0.95rem;
}
.company-table th,
.company-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.company-table th {
  width: 30%;
  color: var(--navy);
  background: var(--bg-alt);
  white-space: nowrap;
}

/* ---------- cta ---------- */
.cta-section {
  background: var(--navy);
  color: #fff;
  text-align: center;
}
.cta-section h2 { color: #fff; }
.cta-section p { margin-bottom: 24px; }
.cta-buttons {
  display: grid;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: #c8d0dc;
  padding: 32px 0;
  font-size: 0.85rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: center;
  margin-bottom: 16px;
}
.footer-links a {
  color: #c8d0dc;
  text-decoration: none;
}
.footer-links a[aria-disabled="true"] { opacity: 0.6; pointer-events: none; }
.copyright { text-align: center; }

/* ---------- desktop ---------- */
@media (min-width: 768px) {
  .hero { padding: 80px 0 64px; }
  .hero h1 { font-size: 2rem; }
  .section h2 { font-size: 1.5rem; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .features { grid-template-columns: repeat(3, 1fr); }
  .cta-buttons {
    grid-template-columns: 1fr 1fr;
    max-width: 560px;
  }
}