/* LeadPick LP - スタイルシート */

/* ===== リセット & ベース ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --success: #10b981;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== ユーティリティ ===== */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 640px;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary-light);
}

/* ===== ヘッダー ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
}

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

.header-cta .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* ===== ヒーロー ===== */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--bg) 0%, var(--primary-light) 100%);
}

.hero-content {
  max-width: 720px;
  text-align: center;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--primary);
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  margin-bottom: 48px;
  justify-content: center;
  background: rgba(37, 99, 235, 0.15);
  border: 2px solid rgba(37, 99, 235, 0.35);
  border-radius: 12px;
  padding: 36px 48px;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.12);
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ===== 課題セクション ===== */
.problems {
  background: var(--bg-alt);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

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

.problem-card .icon {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== 特徴セクション ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== データソース ===== */
.datasource {
  background: var(--bg-alt);
}

.datasource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.datasource-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
}

.datasource-item .number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
}

.datasource-item .label {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* ===== 料金セクション ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.pricing-card {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s;
}

.pricing-card.popular {
  border-color: var(--primary);
}

.pricing-card.popular::before {
  content: "人気";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
}

.pricing-card .plan-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 8px;
}

.pricing-card .plan-count {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-card .plan-unit {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.pricing-card .plan-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.pricing-card .plan-price small {
  font-size: 0.9rem;
  font-weight: 400;
}

.pricing-card .plan-total {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 4px;
  margin-bottom: 16px;
}

.pricing-card .discount {
  display: inline-block;
  background: #fef3c7;
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
}

/* ===== 成功事例 ===== */
.cases {
  background: var(--bg-alt);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

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

.case-card .persona {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.case-card .avatar {
  width: 48px;
  height: 48px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.case-card .persona-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.case-card .persona-info span {
  font-size: 0.8rem;
  color: var(--text-light);
}

.case-card .case-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.case-card .case-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.case-card .case-result {
  background: var(--primary-light);
  border-radius: 8px;
  padding: 12px 16px;
}

.case-card .case-result .result-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.case-card .case-result .result-text {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-dark);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 720px;
  margin: 48px auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}

.faq-item summary {
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--text-light);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta {
  background: var(--bg-dark);
  color: #fff;
  text-align: center;
}

.cta .section-title {
  color: #fff;
}

.cta .section-subtitle {
  color: #94a3b8;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin: 32px 0;
  flex-wrap: wrap;
}

.cta-features span {
  font-size: 0.9rem;
  color: #cbd5e1;
}

/* ===== 相談枠 ===== */
.consultation {
  background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
  color: #fff;
  text-align: center;
  padding: 60px 0;
}

.consultation h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.consultation p {
  color: #94a3b8;
  margin-bottom: 8px;
}

.consultation .btn {
  margin-top: 24px;
}

/* ===== フォーム ===== */
.form-section {
  background: var(--bg-alt);
}

.form-wrapper {
  max-width: 560px;
  margin: 48px auto 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-group label .required {
  color: #ef4444;
  font-size: 0.75rem;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== フッター ===== */
.footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 40px 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer-links {
  margin-bottom: 16px;
}

.footer-links a {
  color: #94a3b8;
  margin: 0 12px;
  font-size: 0.8rem;
}

.footer-links a:hover {
  color: #fff;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

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

  .problem-grid,
  .features-grid,
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .datasource-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: 1.6rem;
  }

  .section {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
  }
}