/* ===========================================
   With-DH Landing Page - Cloudflare Pages版
   =========================================== */

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

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #333;
  background: #fff;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* --- CSS変数 --- */
:root {
  --navy: #1A2C5A;
  --gold: #E3C99F;
  --gold-dark: #c8a96e;
  --white: #fff;
  --bg-light: #F5F5F5;
  --text: #333;
  --text-light: #666;
  --max-w: 680px;
}

/* --- Wrap --- */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0;
}

/* ===========================================
   HERO
   =========================================== */
.hero {
  background: var(--navy);
  padding: 0 0 32px;
  text-align: center;
}

.hero-mainimg {
  width: 100%;
  border-radius: 0;
  display: block;
}

.hero-catch {
  color: var(--gold);
  font-size: 13px;
  font-weight: 500;
  padding: 20px 20px 8px;
  letter-spacing: 0.05em;
}

.hero-h1 {
  color: #fff;
  font-size: 24px;
  font-weight: 900;
  line-height: 1.5;
  padding: 0 20px 16px;
  letter-spacing: 0.02em;
}

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

.hero-sub {
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  padding: 0 20px;
  line-height: 1.8;
}

/* ===========================================
   VIDEO SECTION（ヒーロー直下）
   =========================================== */
.video-section {
  background: var(--navy);
  padding: 24px 20px 36px;
  text-align: center;
}

.video-section-label {
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.video-section-title {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.video-wrapper video {
  width: 100%;
  display: block;
  border-radius: 10px;
}

/* YouTubeやVimeo埋め込み用（16:9） */
.video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  border-radius: 10px;
  overflow: hidden;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ===========================================
   DIVIDER
   =========================================== */
.divider {
  height: 6px;
  background: linear-gradient(90deg, var(--navy) 0%, #2d4a8a 50%, var(--navy) 100%);
}

/* ===========================================
   共通セクション
   =========================================== */
section {
  padding: 40px 20px;
}

.section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 8px;
}

.section-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--navy);
  line-height: 1.45;
  margin-bottom: 24px;
}

.section-title em {
  font-style: normal;
  color: var(--gold-dark);
}

/* ===========================================
   PROBLEM
   =========================================== */
.pain {
  background: #fff;
}

.pain-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #f8f8f8;
  border-left: 3px solid var(--navy);
  border-radius: 6px;
  padding: 12px 14px;
}

.pain-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.pain-icon svg {
  width: 12px;
  height: 12px;
}

.pain-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--navy);
  font-weight: 500;
}

.voice-box {
  background: #FEF9F0;
  border: 1px solid var(--gold);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: #555;
}

.voice-box strong {
  color: var(--navy);
}

/* ===========================================
   BRIDGE
   =========================================== */
.bridge {
  background: var(--navy);
  text-align: center;
  padding: 36px 24px;
}

.bridge-text {
  color: #fff;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 10px;
}

.bridge-sub {
  color: var(--gold);
  font-size: 13px;
}

/* ===========================================
   SOLUTION
   =========================================== */
.solution {
  background: #FAFAFA;
}

.feature-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px 18px;
  box-shadow: 0 2px 12px rgba(26,44,90,0.08);
  border-top: 3px solid var(--navy);
}

.feature-num {
  width: 32px;
  height: 32px;
  background: var(--navy);
  color: var(--gold);
  font-size: 16px;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.feature-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.5;
}

.feature-img {
  width: 100%;
  border-radius: 8px;
  margin: 10px 0;
  max-height: 180px;
  object-fit: cover;
}

.feature-desc {
  font-size: 13px;
  color: #555;
  line-height: 1.8;
}

.feature-desc strong {
  color: var(--navy);
}

/* ===========================================
   PLANS
   =========================================== */
.plans {
  background: var(--navy);
}

.plans .section-label {
  color: var(--gold);
}

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

.plan-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.plan-card {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

/* LIGHT */
.plan-card.light {
  background: #fff;
  border: 2px solid var(--gold);
}

.plan-card.light .plan-header {
  background: linear-gradient(135deg, #f9f3e8 0%, #fff 100%);
}

/* PREMIUM */
.plan-card.premium {
  background: #fff;
  border: 2px solid var(--navy);
}

.plan-card.premium .plan-header {
  background: linear-gradient(135deg, var(--navy) 0%, #2d4a8a 100%);
}

.plan-card.premium .plan-name,
.plan-card.premium .plan-tagline,
.plan-card.premium .plan-price {
  color: #fff;
}

.plan-card.premium .plan-rec {
  background: var(--gold);
  color: var(--navy);
}

/* TRAINING */
.plan-card.training {
  background: #fff;
  border: 2px solid #9aA8c0;
}

.plan-card.training .plan-header {
  background: linear-gradient(135deg, #e8edf5 0%, #f5f7fa 100%);
}

.plan-header {
  padding: 18px 18px 16px;
}

.plan-rec {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.plan-name {
  font-size: 20px;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 6px;
}

.plan-tagline {
  font-size: 12px;
  color: #666;
  margin-bottom: 10px;
  line-height: 1.6;
}

.plan-price {
  font-size: 14px;
  color: var(--navy);
  font-weight: 700;
}

.plan-price strong {
  font-size: 24px;
}

.plan-body {
  padding: 16px 18px 20px;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.plan-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #333;
}

.check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.add-price {
  font-size: 12px;
  color: var(--text-light);
  background: #f5f5f5;
  border-radius: 6px;
  padding: 8px 12px;
}

.add-price strong {
  color: var(--navy);
}

/* ===========================================
   LECTURERS
   =========================================== */
.lecturers {
  background: #fff;
}

.lecturers-img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 20px;
  max-height: 220px;
  object-fit: cover;
}

.lecturers-lead {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.6;
}

.lecturers-text {
  font-size: 13px;
  color: #555;
  line-height: 1.9;
  margin-bottom: 16px;
}

.lecturers-text strong {
  color: var(--navy);
}

.lecturers-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lecturers-badge {
  background: var(--navy);
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

/* ===========================================
   MENTOR
   =========================================== */
.mentor {
  background: var(--navy);
}

.mentor .section-label {
  color: var(--gold);
}

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

.mentor-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(227,201,159,0.35);
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
}

.lecturer-img {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--gold);
  margin: 0 auto 14px;
}

.mentor-name {
  color: #fff;
  font-size: 20px;
  font-weight: 900;
  margin-bottom: 4px;
}

.mentor-role {
  color: var(--gold);
  font-size: 12px;
  margin-bottom: 12px;
}

.mentor-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-bottom: 16px;
}

.mentor-tag {
  background: rgba(227,201,159,0.2);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
}

.mentor-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  line-height: 1.9;
  text-align: left;
}

.mentor-desc strong {
  color: var(--gold);
}

/* ===========================================
   WHY WITH-DH
   =========================================== */
.why {
  background: #FAFAFA;
}

.why-grid {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #fff;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 8px rgba(26,44,90,0.07);
}

.why-icon {
  font-size: 28px;
  flex-shrink: 0;
  line-height: 1;
}

.why-content-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
  line-height: 1.4;
}

.why-content-desc {
  font-size: 12px;
  color: #666;
  line-height: 1.8;
}

/* ===========================================
   FLOW
   =========================================== */
.flow {
  background: #fff;
}

.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.flow-step {
  display: flex;
  gap: 16px;
}

.flow-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.flow-circle {
  width: 36px;
  height: 36px;
  background: var(--navy);
  color: var(--gold);
  font-size: 16px;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.flow-line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, var(--navy), rgba(26,44,90,0.2));
  min-height: 24px;
  margin: 4px 0;
}

.flow-step:last-child .flow-line {
  display: none;
}

.flow-content {
  padding: 4px 0 28px;
}

.flow-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.flow-desc {
  font-size: 13px;
  color: #666;
  line-height: 1.8;
}

/* ===========================================
   CTA AREA
   =========================================== */
.cta-area {
  background: var(--navy);
  padding: 40px 24px;
  text-align: center;
}

.cta-title {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 8px;
}

.cta-sub {
  color: var(--gold);
  font-size: 13px;
  margin-bottom: 24px;
}

.btn-primary {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--gold);
  color: var(--navy);
  font-size: 16px;
  font-weight: 900;
  padding: 16px 20px 14px;
  border-radius: 10px;
  margin-bottom: 12px;
  border: 2px solid transparent;
  transition: opacity 0.2s;
  cursor: pointer;
}

.btn-primary span {
  font-size: 11px;
  font-weight: 500;
  margin-top: 3px;
  opacity: 0.8;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #06C755;
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  padding: 16px 20px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  transition: opacity 0.2s;
  cursor: pointer;
}

.btn-line span {
  font-size: 11px;
  font-weight: 500;
  margin-top: 3px;
  opacity: 0.85;
}

.btn-line:hover {
  opacity: 0.9;
}

.cta-guarantee {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  margin-top: 8px;
}

/* ===========================================
   FAQ
   =========================================== */
.faq {
  background: #fff;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  overflow: hidden;
}

.faq-q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: #f8f8f8;
  cursor: pointer;
}

.faq-q-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--navy);
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-q-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.5;
}

.faq-a {
  padding: 14px 16px;
  font-size: 13px;
  color: #555;
  line-height: 1.8;
  background: #fff;
}

/* ===========================================
   FOOTER
   =========================================== */
.footer {
  background: #111;
  color: rgba(255,255,255,0.6);
  padding: 24px 20px;
  text-align: center;
}

.footer-logo {
  color: var(--gold);
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}

.footer-company {
  font-size: 12px;
  margin-bottom: 6px;
}

.footer-copy {
  font-size: 11px;
}

/* ===========================================
   STICKY CTA
   =========================================== */
.sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(26, 44, 90, 0.97);
  backdrop-filter: blur(8px);
  display: flex;
  gap: 8px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sticky.visible {
  transform: translateY(0);
}

.sticky-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 10px 8px 9px;
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
  transition: opacity 0.2s;
  line-height: 1.2;
}

.sticky-btn small {
  font-size: 10px;
  font-weight: 500;
  margin-top: 2px;
  opacity: 0.85;
}

.sticky-btn-primary {
  background: var(--gold);
  color: var(--navy);
}

.sticky-btn-line {
  background: #06C755;
  color: #fff;
}

.sticky-btn:hover {
  opacity: 0.9;
}

/* ===========================================
   Responsive（タブレット以上）
   =========================================== */
@media (min-width: 768px) {
  .hero-h1 {
    font-size: 28px;
  }

  .section-title {
    font-size: 26px;
  }

  .feature-grid {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .feature-card {
    flex: 1 1 calc(50% - 12px);
    min-width: 260px;
  }

  .plan-cards {
    flex-direction: row;
    align-items: flex-start;
  }

  .plan-card {
    flex: 1;
  }

  .why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}
