@charset "UTF-8";
/* =============================================================
   AIリスキリング3段階研修ページ固有CSS (/reskilling/ai-training)
   ============================================================= */

/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
  --navy-deep: #06173F;
  --navy: #0A2463;
  --blue-primary: #1E88E5;
  --blue-mid: #42A5F5;
  --cyan: #00BCD4;
  --cyan-light: #26C6DA;
  --white: #FFFFFF;
  --gray-bg: #F3F6FB;
  --gray-light: #E8EDF5;
  --gray-text: #5A6A85;
  --dark-text: #1A1A2E;
  --card-shadow: 0 2px 16px rgba(10, 36, 99, 0.07);
  --card-shadow-hover: 0 12px 40px rgba(10, 36, 99, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
  --section-padding: 100px 0;
}

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

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

body {
  font-family: "Noto Sans JP", "Poppins", sans-serif;
  color: var(--dark-text);
  background: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   Header / Navigation
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(6, 23, 63, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.15);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--white);
  letter-spacing: 2px;
}

.logo span {
  background: linear-gradient(135deg, var(--blue-mid), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-links a:hover { color: var(--cyan-light); }

.nav-cta {
  background: linear-gradient(135deg, var(--blue-primary), var(--cyan));
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 188, 212, 0.4);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 40%, #0D3B8F 100%);
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    radial-gradient(circle at 20% 50%, var(--cyan) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, var(--blue-mid) 1px, transparent 1px),
    radial-gradient(circle at 60% 80%, var(--cyan) 0.5px, transparent 0.5px);
  background-size: 60px 60px, 80px 80px, 40px 40px;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

.hero-glow-1 {
  top: -200px;
  right: -100px;
  background: var(--blue-primary);
}

.hero-glow-2 {
  bottom: -200px;
  left: -100px;
  background: var(--cyan);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  padding: 8px 20px;
  border-radius: 50px;
  color: var(--cyan-light);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--blue-mid), var(--cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  color: rgba(255,255,255,0.75);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  line-height: 1.9;
  margin-bottom: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-primary), var(--cyan));
  color: var(--white);
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 188, 212, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid rgba(255,255,255,0.25);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.4);
}

/* ========================================
   Section Common
   ======================================== */
.section { padding: var(--section-padding); }
.section-alt { background: var(--gray-bg); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-number {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--blue-primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-number i {
  width: 20px;
  height: 20px;
}

.section-title {
  font-weight: 900;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--dark-text);
  line-height: 1.4;
  margin-bottom: 20px;
}

.section-lead {
  color: var(--gray-text);
  font-size: clamp(0.9rem, 1.5vw, 1.02rem);
  line-height: 2;
  max-width: 780px;
  margin: 0 auto;
}

/* ========================================
   Curriculum Sub-header
   ======================================== */
.curriculum-subheader {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  margin-top: 48px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-light);
}

.curriculum-subheader:first-of-type { margin-top: 0; }

.curriculum-subheader i {
  color: var(--blue-primary);
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.curriculum-subheader h3 {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
}

/* ========================================
   Curriculum Cards
   ======================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(10, 36, 99, 0.05);
  transition: transform var(--transition), box-shadow var(--transition), opacity 0.6s ease;
  opacity: 1;
  transform: translateY(0);
}

.card.animate-hidden {
  opacity: 0;
  transform: translateY(24px);
}

.card.animate-hidden.visible {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

.card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.card-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-primary), var(--cyan));
  color: var(--white);
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gray-bg);
  color: var(--blue-primary);
  flex-shrink: 0;
}

.card-icon i {
  width: 18px;
  height: 18px;
}

.card h4 {
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark-text);
  margin-bottom: 10px;
  line-height: 1.5;
}

.card p {
  font-size: 0.88rem;
  color: var(--gray-text);
  line-height: 1.85;
}

/* Alt background cards */
.section-alt .card {
  background: var(--white);
}

/* ========================================
   Pricing Bar
   ======================================== */
.pricing-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, var(--navy) 0%, #0D3B8F 100%);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  margin-top: 48px;
}

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

.pricing-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 4px;
}

.pricing-value {
  font-family: "Poppins", sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--white);
}

.pricing-value small {
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.7;
}

.pricing-bar .btn-primary {
  padding: 14px 32px;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  position: relative;
  padding: 100px 24px;
  background: linear-gradient(160deg, var(--navy-deep), var(--navy), #0D3B8F);
  text-align: center;
  overflow: hidden;
}

.cta-section .hero-bg-pattern {
  opacity: 0.04;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-weight: 900;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.5;
}

.cta-section p {
  color: rgba(255,255,255,0.7);
  font-size: 1.02rem;
  line-height: 2;
  max-width: 700px;
  margin: 0 auto 40px;
}

/* ========================================
   Contact Form
   ======================================== */
.contact-section {
  padding: var(--section-padding);
  background: var(--gray-bg);
}

.contact-wrapper {
  max-width: 680px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: 0 4px 32px rgba(10, 36, 99, 0.08);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark-text);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #E53935;
  font-size: 0.8rem;
  margin-left: 4px;
}

.form-group label .optional {
  color: var(--gray-text);
  font-size: 0.8rem;
  margin-left: 4px;
  font-weight: 400;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.95rem;
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--dark-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-submit {
  text-align: center;
  margin-top: 32px;
}

.form-submit button {
  background: linear-gradient(135deg, var(--blue-primary), var(--cyan));
  color: var(--white);
  padding: 16px 48px;
  border: none;
  border-radius: 50px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.form-submit button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 188, 212, 0.3);
}

.form-success {
  display: none;
  text-align: center;
  padding: 48px 24px;
}

.form-success.show { display: block; }

.form-success i {
  color: var(--cyan);
  width: 56px;
  height: 56px;
  margin-bottom: 20px;
}

.form-success h3 {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--dark-text);
  margin-bottom: 12px;
}

.form-success p {
  color: var(--gray-text);
  font-size: 0.95rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--navy-deep);
  padding: 48px 24px;
  text-align: center;
}

.footer-company {
  font-weight: 700;
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 8px;
}

.footer-copy {
  font-family: "Poppins", sans-serif;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ========================================
   Animations
   ======================================== */
.fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.animate-hidden {
  opacity: 0;
  transform: translateY(28px);
}

.fade-in.animate-hidden.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1023px) {
  .nav-links { display: none; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(6, 23, 63, 0.98);
    backdrop-filter: blur(12px);
    padding: 24px;
    gap: 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .mobile-toggle { display: block; }
  .hero { min-height: auto; padding: 140px 24px 80px; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .pricing-bar { padding: 32px 24px; }
}

@media (max-width: 767px) {
  :root { --section-padding: 64px 0; }
  .hero h1 { font-size: 1.7rem; }
  .hero p { font-size: 0.92rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .card-grid { grid-template-columns: 1fr; }
  .pricing-bar { flex-direction: column; text-align: center; gap: 24px; padding: 28px 20px; }
  .contact-wrapper { padding: 32px 20px; }
  .section-title { font-size: 1.4rem; }
}