/* ============================================
   LiveGood Japan Guide - Style Sheet
   配色: ダークネイビー × グリーン（本家ベース）
   フォント: Noto Sans JP
   モバイルファースト・レスポンシブ
   ============================================ */

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

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #333;
  line-height: 1.8;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* --- Variables --- */
:root {
  --navy: #000c28;
  --navy-light: #0a1a3a;
  --green: #66a92f;
  --green-dark: #558d27;
  --green-light: #e8f5d8;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --text: #333333;
  --text-light: #555555;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --max-width: 1100px;
}

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
  max-width: 700px;
}

.section-subtitle.center {
  margin: 0 auto;
}

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

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

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-main {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.logo-main span {
  color: var(--green);
}

.logo-sub {
  font-size: 0.6rem;
  color: var(--gray-500);
  letter-spacing: 0.05em;
}

.nav {
  display: none;
}

.nav.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px;
  left: 0;
  width: 100%;
  background: var(--navy);
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-link {
  display: block;
  padding: 12px 20px;
  color: var(--gray-300);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-link:hover {
  color: var(--green);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 50%, #0d2214 100%);
  padding-top: 64px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(102, 169, 47, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
  padding: 60px 0;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(102, 169, 47, 0.15);
  border: 1px solid rgba(102, 169, 47, 0.3);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 24px;
}

.hero-title em {
  font-style: normal;
  color: var(--green);
}

.hero-description {
  font-size: 1rem;
  color: var(--gray-300);
  line-height: 2;
  margin-bottom: 40px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Noto Sans JP', sans-serif;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 169, 47, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--gray-500);
}

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 4px;
}

/* --- About Section --- */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  gap: 40px;
  margin-top: 48px;
}

.about-card {
  padding: 32px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.about-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-light);
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.about-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.9;
}

.team-grid {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

.team-member {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.team-avatar {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-weight: 700;
  font-size: 1.1rem;
}

.team-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 2px;
}

.team-info .role {
  font-size: 0.8rem;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 8px;
}

.team-info p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* --- Pricing Section --- */
.pricing {
  background: var(--gray-50);
}

.pricing-flow {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}

.pricing-flow-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.pricing-flow-step {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: var(--green);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50%;
}

.pricing-flow-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.pricing-flow-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
}

.pricing-compare {
  margin-top: 48px;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
}

.pricing-compare-header {
  background: var(--navy);
  color: var(--white);
  padding: 16px 20px;
  font-size: 0.95rem;
  font-weight: 700;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
}

.pricing-table th {
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  border-bottom: 2px solid var(--gray-200);
  text-align: left;
  background: var(--gray-50);
}

.pricing-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-100);
}

.pricing-table tr:last-child td {
  border-bottom: none;
}

.pricing-table .product-name {
  font-weight: 600;
  color: var(--navy);
}

.price-member {
  color: var(--green);
  font-weight: 700;
}

.price-retail {
  color: var(--text-light);
}

.price-market {
  color: var(--gray-500);
  font-size: 0.85rem;
}

.pricing-note {
  margin-top: 16px;
  padding: 16px 20px;
  background: var(--green-light);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--green-dark);
  line-height: 1.8;
}

/* --- Membership Section --- */
.membership {
  background: var(--white);
}

.membership-cards {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}

.membership-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
  box-shadow: var(--shadow);
  position: relative;
}

.membership-card.featured {
  border-color: var(--green);
  box-shadow: 0 4px 20px rgba(102, 169, 47, 0.15);
}

.membership-card.featured::after {
  content: 'おすすめ';
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--green);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
}

.membership-card-type {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.membership-card-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.membership-card-price small {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-light);
}

.membership-card-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.7;
}

.membership-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.membership-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text);
}

.membership-feature::before {
  content: '✓';
  flex-shrink: 0;
  color: var(--green);
  font-weight: 700;
}

.fit-section {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}

.fit-card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.fit-card.good {
  background: var(--green-light);
  border: 1px solid rgba(102, 169, 47, 0.2);
}

.fit-card.not-good {
  background: #fef3f2;
  border: 1px solid #fecaca;
}

.fit-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.fit-card.good h3 {
  color: var(--green-dark);
}

.fit-card.not-good h3 {
  color: #b91c1c;
}

.fit-card li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text);
  padding-left: 20px;
  position: relative;
}

.fit-card.good li::before {
  content: '○';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.fit-card.not-good li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: #dc2626;
  font-weight: 700;
}

/* --- Products Section --- */
.products {
  background: var(--gray-50);
}

.products-grid {
  display: grid;
  gap: 20px;
  margin-top: 48px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-light);
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 1.6rem;
}

.product-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.product-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 12px;
}

.product-card-examples {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--green);
  transition: gap var(--transition);
}

.product-card-link:hover {
  gap: 10px;
}

/* --- FAQ Section --- */
.faq {
  background: var(--white);
}

.faq-list {
  margin-top: 48px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
  line-height: 1.6;
}

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

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gray-100);
  font-size: 1.1rem;
  color: var(--green);
  transition: transform var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

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

.faq-answer-inner {
  padding: 0 0 24px 0;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 2;
}

/* --- CTA Section --- */
.cta {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 100%);
  text-align: center;
}

.cta .section-title {
  color: var(--white);
}

.cta-message {
  font-size: 0.95rem;
  color: var(--gray-300);
  line-height: 2;
  max-width: 600px;
  margin: 0 auto 40px;
}

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

.cta-note {
  margin-top: 24px;
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* --- Footer --- */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 48px 0 32px;
}

.footer-content {
  display: grid;
  gap: 32px;
}

.footer-section h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--gray-300);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--green);
}

.footer-disclaimer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-disclaimer p {
  font-size: 0.75rem;
  color: var(--gray-500);
  line-height: 1.9;
  margin-bottom: 8px;
}

/* --- Responsive (Tablet) --- */
@media (min-width: 640px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .membership-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .fit-section {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Responsive (Desktop) --- */
@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav.active {
    position: static;
    flex-direction: row;
    width: auto;
    padding: 0;
    border: none;
  }

  .hamburger {
    display: none;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-content {
    padding: 80px 0;
  }

  .section {
    padding: 100px 0;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .about-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}