/* ==================================================
   BASE / RESET
================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* 画像のトーンに合わせたカラーパレット */
  --teal:        #1a7fa8;       /* ティール（画像のメインアクセント） */
  --teal-dark:   #155d7a;
  --teal-light:  #e8f4f8;
  --navy:        #1a2e5a;       /* ネイビー（画像の下部帯） */
  --navy-dark:   #0f1d3a;
  --orange:      #e87c0a;       /* オレンジ（CTAアクセント） */
  --orange-light:#fff3e6;
  --yellow:      #f5c842;       /* イエロー（装飾アクセント） */
  --white:       #ffffff;
  --off-white:   #f7fafc;
  --gray-light:  #eef2f7;
  --gray:        #8a9bb5;
  --text-dark:   #1a1f2e;
  --text-body:   #3a4557;

  --radius:      12px;
  --shadow:      0 4px 24px rgba(26,47,90,0.10);
  --shadow-lg:   0 8px 40px rgba(26,47,90,0.15);
  --transition:  0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================================================
   PROGRESS BAR
================================================== */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--orange));
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ==================================================
   STICKY HEADER
================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-light);
  box-shadow: 0 2px 12px rgba(26,47,90,0.08);
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.header-logo {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.02em;
}

/* ==================================================
   BUTTONS
================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-header {
  background: var(--orange);
  color: var(--white);
  padding: 10px 20px;
  font-size: 13px;
  box-shadow: 0 3px 12px rgba(232,124,10,0.35);
}
.btn-header:hover {
  background: #c96a08;
  transform: translateY(-1px);
  box-shadow: 0 5px 18px rgba(232,124,10,0.45);
}
.btn-cta {
  background: var(--orange);
  color: var(--white);
  font-size: 18px;
  padding: 18px 48px;
  box-shadow: 0 6px 28px rgba(232,124,10,0.4);
  letter-spacing: 0.03em;
}
.btn-cta:hover {
  background: #c96a08;
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(232,124,10,0.5);
}
.btn-final {
  background: var(--orange);
  color: var(--white);
  font-size: 20px;
  padding: 22px 60px;
  box-shadow: 0 8px 36px rgba(232,124,10,0.45);
  letter-spacing: 0.04em;
}
.btn-final:hover {
  background: #c96a08;
  transform: translateY(-3px);
  box-shadow: 0 14px 48px rgba(232,124,10,0.55);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 28px rgba(232,124,10,0.4); }
  50% { box-shadow: 0 6px 28px rgba(232,124,10,0.4), 0 0 0 10px rgba(232,124,10,0.1); }
}
.pulse { animation: pulse 2.5s ease-in-out infinite; }

/* ==================================================
   HERO SECTION
================================================== */
.hero {
  background: var(--white);
}
.hero-image-wrap {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: block;
  line-height: 0;
}
.hero-img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-cta-bar {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  padding: 40px 24px 36px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.hero-cta-note {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-cta-note i { color: var(--yellow); }

/* ==================================================
   SECTIONS — COMMON
================================================== */
.section {
  padding: 80px 0;
}
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 900;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 16px;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--orange));
  border-radius: 2px;
}

/* ==================================================
   FADE-IN ANIMATION
================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================================================
   LEAD SECTION
================================================== */
.lead-section {
  background: var(--off-white);
  padding: 72px 0;
}
.pain-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.pain-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--teal);
  transition: transform var(--transition);
}
.pain-card:hover { transform: translateY(-4px); }
.pain-icon {
  width: 48px;
  height: 48px;
  background: var(--teal-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 20px;
  color: var(--teal);
}
.pain-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-body);
}
.pain-card strong { color: var(--navy); }

.lead-top {
  text-align: center;
  font-size: 15px;
  color: var(--text-body);
  margin-bottom: 24px;
}
.insight-box {
  background: var(--white);
  border-left: 5px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 28px 32px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  box-shadow: var(--shadow);
}
.insight-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--white);
}
.insight-box p { font-size: 15px; margin-bottom: 8px; }
.highlight {
  background: linear-gradient(120deg, rgba(26,127,168,0.15) 0%, rgba(26,127,168,0.15) 100%);
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 700;
  color: var(--teal-dark);
}
.insight-em {
  font-size: 20px !important;
  font-weight: 900 !important;
  color: var(--navy) !important;
  margin-bottom: 0 !important;
  line-height: 1.4;
}

/* ==================================================
   TARGET SECTION
================================================== */
.target-section {
  background: var(--white);
}
.target-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.target-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 20px 24px;
  border: 1px solid var(--gray-light);
  transition: transform var(--transition), box-shadow var(--transition);
}
.target-list li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}
.check-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 13px;
}
.target-list p { font-size: 15px; margin: 0; }
.target-list strong { color: var(--navy); }

/* ==================================================
   GAIN SECTION
================================================== */
.gain-section {
  background: var(--gray-light);
}
.gain-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gain-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border-top: 4px solid var(--teal);
  text-align: center;
}
.gain-card--accent {
  border-top-color: var(--orange);
  background: var(--orange-light);
}
.gain-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.gain-card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
}
.gain-card-icon svg {
  width: 100%;
  height: 100%;
}
.gain-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 10px;
}
.gain-card--accent .gain-num { color: var(--orange); }
.gain-card h3 {
  font-size: 16px;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.4;
}
.gain-card p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.65;
}
.gain-card strong { color: var(--navy); }

/* ==================================================
   AGENDA SECTION
================================================== */
.agenda-section {
  background: var(--white);
}
.phase-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  flex-wrap: nowrap;
}
.phase-item {
  flex: 1;
  max-width: 140px;
  background: var(--teal-light);
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
  border: 2px solid var(--teal);
  transition: transform var(--transition);
}
.phase-item:hover { transform: translateY(-3px); }
.phase-1 { border-color: var(--teal); background: #e0f2f9; }
.phase-2 { border-color: #1e9fc0; background: #d4eef7; }
.phase-3 { border-color: #1a7fa8; background: #c6e8f5; }
.phase-4 { border-color: var(--orange); background: var(--orange-light); }
.phase-item .phase-icon {
  font-size: 22px;
  margin-bottom: 8px;
  color: var(--teal-dark);
}
.phase-4 .phase-icon { color: var(--orange); }
.phase-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
}
.phase-arrow {
  color: var(--gray);
  font-size: 16px;
  padding: 0 6px;
  flex-shrink: 0;
}

.agenda-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.agenda-item {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--gray-light);
  transition: background var(--transition);
}
.agenda-item:last-child { border-bottom: none; }
.agenda-item:hover { background: var(--off-white); }
.agenda-part {
  flex-shrink: 0;
  width: 96px;
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px 8px;
  letter-spacing: 0.04em;
}
.agenda-content {
  padding: 24px 28px;
  flex: 1;
}
.agenda-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.agenda-content p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.6;
}

.stat-row {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.stat-box {
  background: var(--teal-light);
  border: 1px solid var(--teal);
  border-radius: 8px;
  padding: 12px 16px;
  text-align: center;
  min-width: 90px;
}
.stat-box--accent {
  background: var(--orange-light);
  border-color: var(--orange);
}
.stat-num {
  font-size: 22px;
  font-weight: 900;
  color: var(--teal-dark);
  line-height: 1.1;
}
.stat-box--accent .stat-num { color: var(--orange); }
.stat-num span {
  font-size: 13px;
  font-weight: 700;
}
.stat-label {
  font-size: 11px;
  color: var(--text-body);
  margin-top: 4px;
  line-height: 1.3;
}

/* ==================================================
   SPEAKER SECTION
================================================== */
.speaker-section {
  background: var(--off-white);
}
.speaker-card {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-light);
}
.speaker-avatar {
  flex-shrink: 0;
}
.avatar-placeholder {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-light), var(--gray-light));
  border: 4px solid var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--teal);
}
.speaker-photo {
  width: 160px;
  height: 200px;
  object-fit: cover;
  object-position: top center;
  border-radius: 12px;
  border: 3px solid var(--teal);
  box-shadow: 0 8px 28px rgba(26,47,90,0.18);
  display: block;
}
.speaker-company {
  font-size: 12px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.speaker-title {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 4px;
}
.speaker-name {
  font-size: 26px;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.2;
}
.speaker-kana {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray);
}
.speaker-bio {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
}
.speaker-bio em {
  font-style: italic;
  color: var(--navy);
  font-weight: 700;
}
.speaker-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--navy);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
  letter-spacing: 0.02em;
}
.badge i { color: var(--yellow); font-size: 10px; }

/* ==================================================
   OVERVIEW SECTION
================================================== */
.overview-section {
  background: var(--white);
}
.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.overview-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 20px 22px;
  border: 1px solid var(--gray-light);
  transition: transform var(--transition);
}
.overview-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.ov-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 16px;
}
.ov-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.ov-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
}
.ov-value small {
  font-size: 12px;
  font-weight: 400;
  color: var(--gray);
}
.ov-free {
  font-size: 22px !important;
  color: var(--teal-dark) !important;
}

/* ==================================================
   FINAL CTA SECTION
================================================== */
.final-cta-section {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--teal-dark) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.final-cta-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}
.final-cta-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 280px;
  height: 280px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}
.final-cta-box {
  text-align: center;
  position: relative;
  z-index: 1;
}
.final-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--orange);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.final-cta-box h2 {
  font-size: clamp(26px, 4.5vw, 38px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 28px;
}
.final-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 36px;
}
.final-info span {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.final-info i { color: var(--yellow); }
.final-note {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

/* ==================================================
   FOOTER
================================================== */
.site-footer {
  background: var(--navy-dark);
  padding: 24px 0;
  text-align: center;
}
.site-footer p {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* ==================================================
   RESPONSIVE — TABLET (768px)
================================================== */
@media (max-width: 768px) {
  .section { padding: 60px 0; }

  .pain-cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .gain-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .phase-diagram {
    gap: 2px;
  }
  .phase-item {
    max-width: 80px;
    padding: 12px 6px;
  }
  .phase-label { font-size: 11px; }
  .phase-icon { font-size: 17px; }

  .speaker-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 24px;
    gap: 24px;
  }
  .speaker-photo {
    width: 140px;
    height: 175px;
  }
  .speaker-badges { justify-content: center; }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .agenda-part { width: 72px; font-size: 12px; }
  .agenda-content { padding: 18px 16px; }

  .btn-final { font-size: 17px; padding: 18px 36px; }
  .btn-cta { font-size: 16px; padding: 16px 36px; }

  .header-logo { font-size: 11px; }
}

/* ==================================================
   RESPONSIVE — MOBILE (480px)
================================================== */
@media (max-width: 480px) {
  .section { padding: 48px 0; }
  .container { padding: 0 16px; }

  .header-inner { padding: 12px 16px; }

  .insight-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
  }
  .phase-diagram { gap: 1px; }
  .phase-item { max-width: 68px; padding: 10px 4px; }
  .phase-label { font-size: 10px; }
  .phase-icon { font-size: 14px; margin-bottom: 4px; }
  .phase-arrow { font-size: 12px; padding: 0 2px; }

  .stat-row { gap: 8px; }
  .stat-box { min-width: 70px; padding: 10px 10px; }
  .stat-num { font-size: 18px; }

  .agenda-item { flex-direction: column; }
  .agenda-part { width: 100%; padding: 10px; font-size: 13px; }

  .final-info { flex-direction: column; gap: 10px; align-items: center; }
  .btn-final { width: 100%; max-width: 320px; font-size: 16px; padding: 18px 20px; }
  .btn-cta { width: 100%; max-width: 320px; font-size: 16px; padding: 16px 20px; }
}