/* ================================================
   AI実装マーケター入門 LP — Design System & Styles
   Mobile-first responsive
   ================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1A365D;
  --color-secondary: #2B6CB0;
  --color-action: #DD6B20;
  --color-action-hover: #C05621;
  --color-support: #38A169;
  --color-text: #1A202C;
  --color-text-sub: #4A5568;
  --color-bg-white: #FFFFFF;
  --color-bg-gray: #F7FAFC;
  --color-bg-blue: #EBF8FF;

  /* Typography */
  --font-family: system-ui, -apple-system, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
  --font-size-body: 16px;
  --font-weight-normal: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --line-height-body: 1.8;

  /* Spacing */
  --section-padding: 80px 0;
  --section-gap: 24px;
  --content-max-text: 720px;
  --content-max-card: 1080px;

  /* Misc */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-cta: 0 4px 14px rgba(221,107,32,0.4);
  --transition: 0.3s ease;
}

@media (min-width: 768px) {
  :root {
    --font-size-body: 18px;
    --section-padding: 120px 0;
    --section-gap: 40px;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background: var(--color-bg-white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1 {
  font-size: 36px;
  font-weight: var(--font-weight-extrabold);
  line-height: 1.2;
}

h2 {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
}

h3 {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
}

@media (min-width: 768px) {
  h1 { font-size: 56px; }
  h2 { font-size: 36px; }
  h3 { font-size: 24px; }
}

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--content-max-card);
  margin: 0 auto;
  padding: 0 20px;
}

.container--narrow {
  max-width: var(--content-max-text);
}

.section {
  padding: var(--section-padding);
}

.section__label {
  display: inline-block;
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section__heading {
  margin-bottom: var(--section-gap);
}

.section__lead {
  color: var(--color-text-sub);
  margin-bottom: var(--section-gap);
}

/* --- Backgrounds --- */
.bg-white { background-color: var(--color-bg-white); }
.bg-gray { background-color: var(--color-bg-gray); }
.bg-blue { background-color: var(--color-bg-blue); }
.bg-dark {
  background-color: var(--color-primary);
  color: #FFFFFF;
}
.bg-dark .section__lead,
.bg-dark p {
  color: #CBD5E0;
}
.bg-dark h2,
.bg-dark h3 {
  color: #FFFFFF;
}

/* ================================================
   1. HERO
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 20px 80px;
  background: linear-gradient(135deg, #1A365D 0%, #2B6CB0 100%);
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 54, 93, 0.7);
  z-index: 1;
}

.hero__bg-placeholder {
  position: absolute;
  inset: 0;
  background: url('../img/hero-bg.jpg') center/cover no-repeat;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  color: #FFFFFF;
}

.hero__subtitle {
  font-size: 16px;
  font-weight: var(--font-weight-normal);
  opacity: 0.9;
  margin-bottom: 20px;
  line-height: 1.8;
}

.hero h1 {
  margin-bottom: 16px;
}

.hero__headline-sub {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  color: #EBF8FF;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .hero__headline-sub {
    font-size: 24px;
  }
  .hero__subtitle {
    font-size: 18px;
  }
}

.hero__description {
  font-size: 15px;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: 40px;
  text-align: left;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero__description {
    font-size: 16px;
  }
}

/* --- CTA Button --- */
.cta-button {
  display: inline-block;
  background: var(--color-action);
  color: #FFFFFF;
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  padding: 18px 48px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-cta);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
  line-height: 1.4;
}

.cta-button:hover {
  background: var(--color-action-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(221,107,32,0.5);
  color: #FFFFFF;
}

.cta-button--full {
  display: block;
  width: 100%;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button--lg {
  font-size: 20px;
  padding: 22px 56px;
}

.cta-prefix {
  display: block;
  font-size: 14px;
  font-weight: var(--font-weight-normal);
  margin-bottom: 4px;
}

/* --- Check List (安心材料) --- */
.check-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
  margin-top: 20px;
  font-size: 14px;
}

.check-list__item {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.check-list__item::before {
  content: '✓';
  color: var(--color-support);
  font-weight: var(--font-weight-bold);
}

.hero .check-list {
  color: rgba(255,255,255,0.85);
}

.hero .check-list__item::before {
  color: #68D391;
}

/* ================================================
   2. TARGET (対象者)
   ================================================ */
.target-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.target-card {
  border-left: 4px solid var(--color-secondary);
  padding: 20px 24px;
  background: var(--color-bg-white);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-card);
}

.target-card__title {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 4px;
}

.target-card__desc {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .target-card__title { font-size: 18px; }
  .target-card__desc { font-size: 15px; }
}

.target__closing {
  margin-top: var(--section-gap);
  text-align: center;
  color: var(--color-text-sub);
}

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

/* ================================================
   3. BENEFITS (ベネフィット)
   ================================================ */
.benefit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .benefit-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

.benefit-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
}

.benefit-card__icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.benefit-card__title {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 12px;
  color: var(--color-primary);
}

.benefit-card__text {
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .benefit-card__title { font-size: 20px; }
}

/* ================================================
   4. VISION (世界観)
   ================================================ */
.vision-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .vision-layout {
    flex-direction: row;
    gap: 48px;
  }
}

.vision__image {
  flex: 0 0 auto;
  width: 100%;
  max-width: 480px;
}

.vision__image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #E2E8F0, #CBD5E0);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-sub);
  font-size: 14px;
}

@media (min-width: 768px) {
  .vision__image {
    width: 50%;
  }
}

.vision__text {
  flex: 1;
  line-height: 2.0;
}

.vision__text p {
  margin-bottom: 16px;
  color: var(--color-text-sub);
}

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

/* ================================================
   5. UNIQUENESS (独自性)
   ================================================ */

/* Flow Diagram */
.flow-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .flow-diagram {
    flex-direction: row;
    justify-content: center;
    gap: 0;
  }
}

.flow-step {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  padding: 16px 20px;
  background: var(--color-bg-white);
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-align: center;
  font-size: 15px;
}

.flow-arrow {
  color: var(--color-secondary);
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  transform: rotate(90deg);
}

@media (min-width: 768px) {
  .flow-arrow {
    transform: rotate(0deg);
    margin: 0 12px;
  }
}

/* Comparison Table */
.comparison-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 40px;
}

.comparison-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

@media (min-width: 768px) {
  .comparison-table {
    font-size: 15px;
  }
}

.comparison-table th,
.comparison-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid #E2E8F0;
  vertical-align: top;
}

.comparison-table thead th {
  background: var(--color-bg-gray);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  position: sticky;
  top: 0;
}

.comparison-table th:first-child {
  width: 20%;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-sub);
}

.comparison-table .highlight-col {
  background: #EBF8FF;
  border-left: 3px solid var(--color-secondary);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.comparison-table thead .highlight-col {
  background: var(--color-secondary);
  color: #FFFFFF;
  border-left: 3px solid var(--color-secondary);
}

/* Mechanism Block */
.mechanism-block {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  margin-bottom: 32px;
}

.mechanism-block__title {
  font-weight: var(--font-weight-bold);
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.mechanism-list {
  margin-bottom: 16px;
}

.mechanism-list li {
  padding: 6px 0;
  color: var(--color-text-sub);
}

.mechanism-list li::before {
  content: '→ ';
  color: var(--color-secondary);
  font-weight: var(--font-weight-bold);
}

.mechanism-block p {
  color: var(--color-text-sub);
}

/* Tool Box */
.tool-box {
  background: var(--color-bg-white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  margin-bottom: 32px;
}

.tool-box__title {
  font-weight: var(--font-weight-bold);
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.tool-item {
  margin-bottom: 16px;
}

.tool-item:last-child {
  margin-bottom: 0;
}

.tool-item__name {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 4px;
}

.tool-item__desc {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

/* Text link CTA */
.cta-text-link {
  display: block;
  text-align: center;
  font-size: 16px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-action);
  margin-top: var(--section-gap);
  transition: color var(--transition);
}

.cta-text-link:hover {
  color: var(--color-action-hover);
}

.cta-text-link::before {
  content: '→ ';
}

/* ================================================
   6. TIMETABLE (タイムテーブル)
   ================================================ */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-secondary);
}

.timeline__item {
  position: relative;
  padding-bottom: 32px;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--color-secondary);
  border-radius: 50%;
  border: 2px solid var(--color-bg-white);
  z-index: 1;
}

.timeline__time {
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: 4px;
}

.timeline__title {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 6px;
}

.timeline__desc {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.6;
}

.timeline__badge {
  display: inline-block;
  background: #FEFCBF;
  color: #744210;
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  padding: 2px 10px;
  border-radius: 4px;
  margin-left: 8px;
}

@media (min-width: 768px) {
  .timeline { padding-left: 48px; }
  .timeline::before { left: 5px; }
  .timeline__item::before { left: -48px; }
  .timeline__time { font-size: 16px; }
  .timeline__title { font-size: 18px; }
  .timeline__desc { font-size: 15px; }
}

.timeline__notes {
  margin-top: 32px;
  font-size: 13px;
  color: var(--color-text-sub);
}

.timeline__notes p {
  margin-bottom: 4px;
}

/* ================================================
   7. INSTRUCTOR (講師紹介)
   ================================================ */
.instructor-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .instructor-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }
}

.instructor__photo {
  flex-shrink: 0;
}

.instructor__photo-placeholder {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: linear-gradient(135deg, #E2E8F0, #CBD5E0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-sub);
  font-size: 13px;
}

@media (min-width: 768px) {
  .instructor__photo-placeholder {
    width: 200px;
    height: 200px;
  }
}

.instructor__info {
  flex: 1;
}

.instructor__name {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 4px;
  color: var(--color-text);
}

.instructor__name-reading {
  font-size: 14px;
  color: var(--color-text-sub);
  display: block;
  margin-bottom: 4px;
}

.instructor__title {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: 16px;
}

.instructor__bio {
  color: var(--color-text-sub);
  margin-bottom: 24px;
  line-height: 1.8;
}

.instructor__results h4,
.instructor__certs h4,
.instructor__note h4 {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 12px;
}

.instructor__results ul {
  margin-bottom: 24px;
}

.instructor__results li {
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
  color: var(--color-text-sub);
  font-size: 15px;
}

.instructor__results li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: var(--font-weight-bold);
}

/* Cert Badges */
.cert-badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .cert-badges {
    grid-template-columns: repeat(3, 1fr);
  }
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-bg-white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.cert-badge__icon {
  font-size: 24px;
  flex-shrink: 0;
}

.instructor__note {
  background: var(--color-bg-blue);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 24px;
}

.instructor__note p {
  color: var(--color-text-sub);
  font-size: 15px;
}

/* ================================================
   8. NEXT STEPS (次のステップ)
   ================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: var(--section-gap);
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.step-card {
  border: 2px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
}

.step-card--active {
  border-color: var(--color-action);
  box-shadow: 0 4px 16px rgba(221,107,32,0.15);
}

.step-card__number {
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.step-card--active .step-card__number {
  color: var(--color-action);
}

.step-card__title {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 12px;
}

.step-card__text {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin-bottom: 12px;
}

.step-card__cost {
  display: inline-block;
  background: var(--color-bg-blue);
  color: var(--color-secondary);
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  padding: 4px 12px;
  border-radius: 4px;
}

.step-card--active .step-card__badge {
  position: absolute;
  top: -12px;
  right: 16px;
  background: var(--color-action);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  padding: 4px 12px;
  border-radius: 4px;
}

.steps__arrow {
  display: none;
}

@media (min-width: 768px) {
  .steps__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: 24px;
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
  }
  .step-card {
    position: relative;
  }
}

.steps__closing {
  text-align: center;
  color: var(--color-text-sub);
  font-size: 15px;
}

/* ================================================
   9. COURSE OFFER (本講座オファー)
   ================================================ */
.offer-section {
  padding: var(--section-padding);
}

.offer-price {
  text-align: center;
  margin-bottom: 12px;
}

.offer-price__amount {
  font-size: 48px;
  font-weight: var(--font-weight-extrabold);
  color: #FFFFFF;
}

.offer-price__tax {
  font-size: 16px;
  color: #A0AEC0;
}

.offer-price__monthly {
  text-align: center;
  font-size: 15px;
  color: #A0AEC0;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .offer-price__amount {
    font-size: 72px;
  }
}

/* Guarantee Badge */
.guarantee-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 40px;
}

.guarantee-badge__icon {
  font-size: 48px;
  flex-shrink: 0;
}

.guarantee-badge__text h3 {
  font-size: 18px;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.guarantee-badge__text p {
  font-size: 14px;
  color: #A0AEC0;
}

/* Goals */
.offer-goals {
  margin-bottom: 40px;
}

.offer-goals h3 {
  margin-bottom: 16px;
}

.offer-goals ul li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: #CBD5E0;
  font-size: 15px;
}

.offer-goals ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #68D391;
  font-weight: var(--font-weight-bold);
}

/* Guarantee Detail */
.guarantee-detail {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  margin-bottom: 40px;
}

.guarantee-detail h3 {
  margin-bottom: 16px;
}

.guarantee-detail p {
  margin-bottom: 12px;
  font-size: 15px;
}

.guarantee-detail strong {
  color: #FFFFFF;
}

/* Conditions */
.guarantee-conditions {
  margin-top: 24px;
}

.guarantee-conditions h4 {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: #FFFFFF;
  margin-bottom: 12px;
}

.guarantee-conditions ol {
  padding-left: 0;
  counter-reset: cond;
}

.guarantee-conditions ol li {
  counter-increment: cond;
  padding: 8px 0 8px 28px;
  position: relative;
  color: #CBD5E0;
  font-size: 14px;
}

.guarantee-conditions ol li::before {
  content: counter(cond) '.';
  position: absolute;
  left: 0;
  color: #A0AEC0;
  font-weight: var(--font-weight-bold);
}

/* Metrics Table */
.metrics-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
  margin-bottom: 24px;
  font-size: 14px;
}

.metrics-table th,
.metrics-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: #CBD5E0;
}

.metrics-table thead th {
  color: #A0AEC0;
  font-weight: var(--font-weight-semibold);
  font-size: 13px;
}

.metrics-table td:first-child {
  color: #FFFFFF;
  font-weight: var(--font-weight-semibold);
}

/* Revenue Example */
.revenue-example {
  background: rgba(255,255,255,0.05);
  border-left: 3px solid var(--color-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 24px;
  margin-bottom: 40px;
}

.revenue-example h4 {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 12px;
}

.revenue-example p,
.revenue-example li {
  color: #CBD5E0;
  font-size: 14px;
  line-height: 1.7;
}

.revenue-example ul {
  margin: 8px 0;
  padding-left: 20px;
}

.revenue-example li {
  padding: 2px 0;
  list-style: disc;
}

.revenue-example strong {
  color: #FFFFFF;
}

/* Perks */
.offer-perks {
  margin-bottom: 40px;
}

.offer-perks h3 {
  margin-bottom: 20px;
}

.perk-item {
  margin-bottom: 20px;
}

.perk-item__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: var(--font-weight-bold);
  color: #FFFFFF;
  margin-bottom: 6px;
  font-size: 16px;
}

.perk-item__title::before {
  content: '✓';
  color: #68D391;
}

.perk-item__desc {
  color: #CBD5E0;
  font-size: 14px;
  padding-left: 22px;
}

/* Trial Events */
.trial-events {
  margin-bottom: 40px;
}

.trial-events h3 {
  margin-bottom: 20px;
}

.trial-event-card {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 12px;
}

.trial-event-card h4 {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  margin-bottom: 6px;
}

.trial-event-card p {
  font-size: 14px;
}

/* ================================================
   10. FAQ
   ================================================ */
.faq-list {
  max-width: var(--content-max-text);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #E2E8F0;
}

.faq-item:first-child {
  border-top: 1px solid #E2E8F0;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  min-height: 44px;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .faq-question {
    font-size: 18px;
  }
}

.faq-question:hover {
  color: var(--color-secondary);
}

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
  color: var(--color-text-sub);
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer__inner {
  padding: 0 0 20px;
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* ================================================
   11. SIGNUP (申込枠)
   ================================================ */
.signup-section {
  background: linear-gradient(180deg, var(--color-bg-gray) 0%, var(--color-bg-white) 100%);
}

.signup-info {
  max-width: 600px;
  margin: 0 auto var(--section-gap);
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.signup-info__row {
  display: flex;
  border-bottom: 1px solid #E2E8F0;
}

.signup-info__row:last-child {
  border-bottom: none;
}

.signup-info__label {
  flex: 0 0 120px;
  padding: 14px 16px;
  background: var(--color-bg-gray);
  font-weight: var(--font-weight-bold);
  font-size: 14px;
  color: var(--color-text);
}

.signup-info__value {
  flex: 1;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--color-text-sub);
}

.signup-info__value strong {
  color: var(--color-action);
  font-size: 16px;
}

@media (min-width: 768px) {
  .signup-info__label {
    flex: 0 0 160px;
    font-size: 15px;
  }
  .signup-info__value {
    font-size: 15px;
  }
}

.signup__date-note {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-sub);
  margin-bottom: 40px;
}

/* Form Placeholder */
.form-placeholder {
  max-width: 600px;
  margin: 0 auto 32px;
  background: var(--color-bg-gray);
  border: 2px dashed #CBD5E0;
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
  color: var(--color-text-sub);
}

.form-placeholder p {
  font-size: 14px;
}

/* Closing Message */
.signup__closing {
  max-width: var(--content-max-text);
  margin: 0 auto 40px;
  text-align: center;
}

.signup__closing p {
  color: var(--color-text-sub);
  margin-bottom: 12px;
  line-height: 1.8;
}

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

/* ================================================
   FLOATING CTA
   ================================================ */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 -2px 16px rgba(0,0,0,0.1);
  padding: 12px 20px;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.4s ease;
  text-align: center;
}

.floating-cta.is-visible {
  transform: translateY(0);
}

.floating-cta .cta-button {
  font-size: 15px;
  padding: 14px 32px;
  width: 100%;
  max-width: 400px;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  padding: 32px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--color-text-sub);
  border-top: 1px solid #E2E8F0;
}

/* ================================================
   UTILITY
   ================================================ */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-sm { margin-top: 16px; }
.mt-md { margin-top: 32px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}