/* はじめたい｜Hajimet-AI サービスサイト 共通スタイル */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --accent: #f59e0b;        /* アクセント（CTA・強調） */
  --accent-dark: #d97706;
  --bg: #f8fafc;
  --bg-soft: #f1f5f9;
  --white: #ffffff;
  --text: #0f172a;
  --text-sub: #475569;
  --text-mute: #94a3b8;
  --border: #e2e8f0;
  --green: #16a34a;
  --green-light: #dcfce7;
  --red: #dc2626;
  --gold: #d97706;
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06);
  --shadow: 0 4px 16px rgba(15,23,42,0.08);
  --shadow-lg: 0 12px 40px rgba(15,23,42,0.12);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Hiragino Sans', 'Noto Sans JP', 'Meiryo', system-ui, sans-serif;
  font-size: 0.95rem; line-height: 1.7;
  color: var(--text); background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  max-width: 1100px; margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; gap: 24px;
}
.site-logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 800; color: var(--text); font-size: 0.95rem;
  text-decoration: none;
}
.site-logo img { height: 56px; display: block; margin: -10px 0; }
.site-nav {
  display: flex; gap: 4px; flex: 1;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--text-sub); font-size: 0.82rem; font-weight: 600;
  padding: 8px 12px; border-radius: 6px;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s;
}
.site-nav a:hover { color: var(--primary); background: var(--bg-soft); text-decoration: none; }
.site-nav a.active { color: var(--primary); }
.site-cta-btn {
  background: var(--primary); color: #fff;
  padding: 8px 18px; border-radius: 6px;
  font-size: 0.85rem; font-weight: 700;
  text-decoration: none;
  transition: background 0.15s;
}
.site-cta-btn:hover { background: var(--primary-dark); text-decoration: none; }

/* Hamburger toggle (mobile only) */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent; border: none;
  cursor: pointer;
  padding: 0;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1100px) {
  .site-header .inner { padding: 10px 18px; gap: 14px; }
}
@media (max-width: 768px) {
  .site-header .inner { gap: 8px; padding: 10px 14px; position: relative; }
  .site-logo img { height: 42px; margin: -6px 0; }
  .nav-toggle { display: flex; }
  .site-cta-btn { padding: 8px 14px; font-size: 0.78rem; white-space: nowrap; order: 2; }
  .site-nav {
    order: 99;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 6px 10px 10px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(15,23,42,0.08);
    max-height: 0; overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .site-nav.open { max-height: 380px; }
  .site-nav a {
    font-size: 0.92rem; font-weight: 600;
    padding: 12px 14px; border-radius: 8px;
    border-bottom: 1px solid var(--bg-soft);
  }
  .site-nav a:last-child { border-bottom: none; }
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, var(--primary) 100%);
  color: #fff;
  padding: 80px 24px 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; right: -100px; top: -100px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1100px; margin: 0 auto;
  position: relative; z-index: 1;
}
.hero .tag {
  display: inline-block;
  font-size: 0.72rem; letter-spacing: 0.2em; font-weight: 700;
  padding: 6px 16px; border: 1px solid rgba(255,255,255,0.4); border-radius: 24px;
  margin-bottom: 24px;
  color: rgba(255,255,255,0.95);
}
.hero h1 {
  font-size: 2.6rem; font-weight: 800; line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}
.hero h1 .em { color: #fbbf24; }
.hero p {
  font-size: 1.05rem; opacity: 0.92; max-width: 680px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary, .btn-secondary, .btn-outline {
  display: inline-block;
  padding: 14px 28px;
  font-size: 0.95rem; font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-primary {
  background: var(--accent); color: #1a1a1a;
  box-shadow: 0 4px 14px rgba(245,158,11,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(245,158,11,0.5); text-decoration: none; }
.btn-secondary {
  background: rgba(255,255,255,0.12); color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-secondary:hover { background: rgba(255,255,255,0.2); text-decoration: none; }
.btn-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; text-decoration: none; }

@media (max-width: 768px) {
  .hero { padding: 50px 16px 60px; }
  .hero h1 { font-size: 1.55rem; line-height: 1.5; letter-spacing: 0; }
  .hero p { font-size: 0.92rem; }
  .hero .tag { font-size: 0.65rem; padding: 4px 12px; margin-bottom: 16px; }
  .hero-actions { flex-direction: column; width: 100%; gap: 10px; }
  .btn-primary, .btn-secondary, .btn-outline {
    width: 100%; text-align: center;
    padding: 14px 20px; font-size: 0.92rem;
  }
}

/* Section base */
.section { padding: 70px 24px; }
.section.alt { background: var(--bg-soft); }
.section.dark { background: #0f172a; color: #fff; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-tag {
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.2em;
  color: var(--primary); margin-bottom: 8px;
}
.section.dark .section-tag { color: #fbbf24; }
.section h2 {
  font-size: 2rem; font-weight: 800; line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  color: var(--text);
}
.section.dark h2 { color: #fff; }
.section .lead {
  font-size: 1rem; color: var(--text-sub);
  max-width: 720px; margin-bottom: 40px;
}
.section.dark .lead { color: rgba(255,255,255,0.85); }

@media (max-width: 768px) {
  .section { padding: 44px 16px; }
  .section h2 { font-size: 1.4rem; line-height: 1.45; letter-spacing: 0; }
  .section .lead { font-size: 0.92rem; margin-bottom: 24px; }
  .section-tag { font-size: 0.65rem; }
}

/* Service card */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
@media (max-width: 768px) {
  .service-grid { grid-template-columns: 1fr; gap: 14px; }
  .service-card { padding: 22px 20px; border-radius: 14px; }
  .service-card h3 { font-size: 1.15rem; }
  .service-card .badge { top: 12px; right: 12px; font-size: 0.58rem; }
  .service-card .price { font-size: 0.82rem; padding: 10px 12px; }
  .service-card .price strong { font-size: 0.95rem; }
  .service-card li { font-size: 0.82rem; }
}
.service-card {
  background: var(--white);
  border-radius: 16px;
  padding: 28px 26px;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--text);
  display: flex; flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
  border-top: 4px solid var(--primary);
  position: relative;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}
.service-card.primary { border-top-color: var(--primary); background: linear-gradient(180deg, #eff6ff 0%, #fff 30%); }
.service-card.training { border-top-color: var(--green); }
.service-card.strategist { border-top-color: var(--accent); }
.service-card .badge {
  position: absolute; top: 16px; right: 16px;
  background: var(--accent); color: #1a1a1a;
  font-size: 0.62rem; font-weight: 800; letter-spacing: 0.1em;
  padding: 3px 10px; border-radius: 10px;
}
.service-card .num {
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.18em;
  color: var(--primary); margin-bottom: 10px;
}
.service-card.training .num { color: var(--green); }
.service-card.strategist .num { color: var(--accent-dark); }
.service-card h3 {
  font-size: 1.3rem; font-weight: 800;
  margin-bottom: 6px; color: var(--text);
}
.service-card .sub {
  font-size: 0.85rem; color: var(--text-sub);
  margin-bottom: 14px;
}
.service-card .price {
  font-size: 0.85rem; color: var(--text);
  margin-bottom: 14px;
  padding: 10px 12px; background: var(--bg-soft); border-radius: 8px;
}
.service-card .price strong { color: var(--primary); font-size: 1rem; font-weight: 800; }
.service-card ul {
  list-style: none; margin-bottom: 16px; flex: 1;
}
.service-card li {
  font-size: 0.85rem; padding: 4px 0 4px 18px;
  position: relative; color: var(--text-sub);
}
.service-card li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--green); font-weight: 800;
}
.service-card .more {
  display: inline-block;
  font-size: 0.85rem; font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
}
.service-card.training .more { color: var(--green); }
.service-card.strategist .more { color: var(--accent-dark); }

/* Step / process */
.step-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  position: relative;
}
.step-card {
  background: var(--white);
  border-radius: 12px;
  padding: 22px 20px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary);
  position: relative;
}
.step-card .step-num {
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.18em;
  color: var(--primary); margin-bottom: 6px;
}
.step-card h4 {
  font-size: 1rem; font-weight: 800;
  margin-bottom: 6px; color: var(--text);
}
.step-card p { font-size: 0.82rem; color: var(--text-sub); line-height: 1.6; }

/* Pricing table */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.pricing-table th, .pricing-table td {
  padding: 14px 16px; text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.pricing-table th {
  background: var(--bg-soft);
  font-size: 0.78rem; font-weight: 700;
  color: var(--text-sub);
  letter-spacing: 0.05em;
}
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table .price-cell { font-weight: 800; color: var(--primary); white-space: nowrap; }
.pricing-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 24px; }
.pricing-wrap .pricing-table { margin-bottom: 0; min-width: 480px; }
@media (max-width: 768px) {
  .pricing-table th, .pricing-table td { padding: 10px 12px; font-size: 0.82rem; }
  .pricing-table th { font-size: 0.7rem; }
}

/* Feature card */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.feature-card {
  background: var(--white);
  border-radius: 12px;
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--primary);
}
.feature-card .icon {
  font-size: 1.8rem; margin-bottom: 10px;
}
.feature-card h4 {
  font-size: 1rem; font-weight: 800;
  margin-bottom: 6px; color: var(--text);
}
.feature-card p { font-size: 0.85rem; color: var(--text-sub); line-height: 1.7; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-radius: 16px;
  padding: 40px 36px;
  text-align: center;
  margin: 0 auto;
  max-width: 880px;
  box-shadow: 0 16px 50px rgba(26,86,219,0.25);
}
.cta-banner h2 {
  color: #fff; font-size: 1.5rem;
  margin-bottom: 8px;
}
.cta-banner p { font-size: 0.95rem; opacity: 0.92; margin-bottom: 22px; }
@media (max-width: 768px) {
  .cta-banner { padding: 28px 22px; border-radius: 14px; }
  .cta-banner h2 { font-size: 1.2rem; }
  .cta-banner p { font-size: 0.88rem; }
  .cta-banner .btn-primary { width: 100%; }
}

/* Step row mobile */
@media (max-width: 768px) {
  .step-row { grid-template-columns: 1fr; gap: 10px; }
  .step-card { padding: 18px 18px; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card { padding: 20px 20px; }
}

/* Training-card / subsidy-banner overrides on mobile (used by training.html inline) */
@media (max-width: 768px) {
  .subsidy-banner { padding: 24px 20px !important; border-radius: 14px !important; }
  .subsidy-banner h3 { font-size: 1.15rem !important; }
  .subsidy-banner p { font-size: 0.9rem !important; }
  .training-card { padding: 22px 20px !important; }
  .training-card h3 { font-size: 1.15rem !important; }
  .training-card .price-tag { font-size: 0.95rem !important; }
}

/* FAQ */
.faq-item {
  background: var(--white);
  border-radius: 10px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-item summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; color: var(--primary);
  font-size: 1.4rem; font-weight: 300;
  transition: transform 0.15s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item .answer {
  padding: 0 20px 18px;
  font-size: 0.88rem; color: var(--text-sub);
  line-height: 1.8;
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: rgba(255,255,255,0.75);
  padding: 50px 24px 30px;
}
.site-footer .inner {
  max-width: 1100px; margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  align-items: start;
}
.site-footer h5 {
  color: #fff; font-size: 0.85rem;
  font-weight: 700; margin-bottom: 14px;
  letter-spacing: 0.05em;
}
.site-footer ul { list-style: none; }
.site-footer li { font-size: 0.82rem; padding: 4px 0; }
.site-footer a { color: rgba(255,255,255,0.75); text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: none; }
.site-footer .brand-block img { height: 64px; margin: -12px 0 4px; display: block; }
.site-footer .brand-block p { font-size: 0.82rem; line-height: 1.7; opacity: 0.85; max-width: 360px; }
.site-footer .corp-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 6px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.9) !important;
  font-weight: 600;
  transition: all 0.15s;
}
.site-footer .corp-link:hover { background: rgba(255,255,255,0.15); color: var(--accent) !important; }
.site-footer .corp-link::after { content: '→'; font-size: 0.85rem; }
.site-footer .copyright {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 40px; padding-top: 20px;
  font-size: 0.75rem; opacity: 0.6;
  max-width: 1100px; margin-left: auto; margin-right: auto;
}
.site-footer .copyright a { color: rgba(255,255,255,0.75); }
.site-footer .copyright a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .site-footer .inner { grid-template-columns: 1fr; gap: 28px; }
}

/* Helpers */
.text-center { text-align: center; }
.mt-large { margin-top: 36px; }
.text-mute { color: var(--text-mute); }
.bullet-list { list-style: none; padding: 0; }
.bullet-list li {
  padding: 6px 0 6px 22px; position: relative; font-size: 0.92rem; line-height: 1.7;
}
.bullet-list li::before {
  content: '▸'; position: absolute; left: 0;
  color: var(--primary); font-weight: 800;
}
.tag-pill {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  padding: 3px 10px; border-radius: 12px;
  background: var(--green-light); color: var(--green);
  margin-right: 6px;
}
.tag-pill.warn { background: #fff7ed; color: var(--gold); }
.tag-pill.info { background: #eff6ff; color: var(--primary); }