/* ============================================
   Relatista Landing Page — Global Styles
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Noto+Serif+JP:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --color-base: #0d0d0f;
  --color-surface: #141418;
  --color-surface-hover: #1a1a20;
  --color-gold: #db914f;
  --color-gold-dim: rgba(219, 145, 79, 0.3);
  --color-gold-subtle: rgba(219, 145, 79, 0.1);
  --color-jade: #7ec8c0;
  --color-text-primary: #c5c5cd;
  --color-text-secondary: #9999a8;
  --color-text-muted: #7a7a8a;
  --color-border: rgba(219, 145, 79, 0.3);
  --color-danger: #c45c5c;

  --font-body: 'Noto Serif JP', serif;
  --font-display: 'Cormorant Garamond', serif;

  --max-width: 1100px;
  --section-padding: 80px 0;
  --card-radius: 12px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-base);
  color: var(--color-text-primary);
  line-height: 1.8;
  font-size: 15px;
  font-weight: 400;
  overflow-x: hidden;
}

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

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

ul, ol {
  list-style: none;
}

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 48px;
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(219, 145, 79, 0.1);
  transition: background 0.3s;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo img {
  height: 32px;
  width: auto;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-desktop a {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.nav-desktop a:hover {
  color: var(--color-gold);
  opacity: 1;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold) !important;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font-body);
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: var(--color-gold);
  color: var(--color-base) !important;
  opacity: 1;
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

.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);
}

.nav-mobile {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(100vh - 60px);
  height: calc(100dvh - 60px);
  background: #0d0d0f;
  padding: 32px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  display: flex;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  overflow-y: auto;
}

.nav-mobile.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-mobile a {
  color: var(--color-text-secondary);
  font-size: 1rem;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: block;
}

.nav-mobile a:hover {
  color: var(--color-gold);
}

.nav-mobile .nav-cta {
  margin-top: 16px;
  text-align: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  .hamburger {
    display: flex;
  }
}

/* --- Hero Section --- */
.hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(219, 145, 79, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-brand {
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero-brand img {
  height: clamp(48px, 10vw, 72px);
  width: auto;
  margin: 0 auto;
}

.hero-tagline {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.hero-sub {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-screenshot {
  max-width: 300px;
  margin: 0 auto;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(219, 145, 79, 0.08);
  border: 1px solid var(--color-gold-dim);
}

.hero-screenshot img {
  width: 100%;
  border-radius: 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
  border: 1px solid var(--color-gold);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-base);
  border-color: var(--color-gold);
  font-size: 1.05rem;
}

.btn-primary:hover {
  background: var(--color-base);
  color: var(--color-gold);
  border-color: var(--color-gold);
  opacity: 1;
}

.btn-ghost {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn-ghost:hover {
  background: var(--color-gold-subtle);
  opacity: 1;
}

/* --- Features Section --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (min-width: 960px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--card-radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Steps Section --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  counter-reset: step;
}

.step-card {
  text-align: center;
  position: relative;
  padding: 24px;
}

.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-gold);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 12px;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.step-card .step-sub {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 8px;
  line-height: 1.7;
}

.step-screenshot {
  max-width: 180px;
  margin: 16px auto 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--color-gold-dim);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.step-screenshot img {
  width: 100%;
}

/* --- Pricing Section --- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 860px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: none;
  }
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--card-radius);
  padding: 32px 24px;
  position: relative;
  transition: transform 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card.recommended {
  border-color: var(--color-gold);
  box-shadow: 0 0 30px rgba(219, 145, 79, 0.1);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-base);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.pricing-features {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-features li {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold-dim);
}

.pricing-note {
  text-align: center;
  margin-top: 32px;
  padding: 20px;
  background: var(--color-gold-subtle);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--card-radius);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- FAQ Section --- */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.2s;
}

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

.faq-question::after {
  content: '+';
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-gold);
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
  content: '\2212';
}

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

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0 100px;
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 24px;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 48px 0 32px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 24px;
}

.footer-nav a {
  color: var(--color-text-muted);
  font-size: 0.82rem;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--color-gold);
  opacity: 1;
}

.footer-copy {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.footer-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
  opacity: 0.7;
}

/* --- Page-specific: Legal / Info pages --- */
.page-header {
  padding: 120px 0 40px;
  text-align: center;
  border-bottom: 1px solid rgba(219, 145, 79, 0.1);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--color-gold);
  letter-spacing: 0.04em;
}

.page-header p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: 8px;
}

.page-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.page-content h2 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-gold-dim);
}

.page-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: 28px;
  margin-bottom: 12px;
}

.page-content p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.page-content ul, .page-content ol {
  margin-bottom: 16px;
  padding-left: 20px;
}

.page-content ul li, .page-content ol li {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 6px;
  position: relative;
  padding-left: 16px;
}

.page-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold-dim);
}

.page-content ol {
  list-style: none;
}

.page-content > ol,
.manual-steps > ol,
.manual-toc > ol {
  counter-reset: list-counter;
}

.page-content > ol > li,
.manual-steps > ol > li,
.manual-toc > ol > li {
  counter-increment: list-counter;
}

.page-content > ol > li::before,
.manual-steps > ol > li::before,
.manual-toc > ol > li::before {
  content: counter(list-counter) '.';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-size: 0.85rem;
}

/* Nested ul inside ol should use bullet style */
.page-content ol li ul {
  counter-reset: none;
}

.page-content ol li ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold-dim);
}

/* Table */
.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.page-content table th,
.page-content table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-text-secondary);
  vertical-align: top;
}

.page-content table th {
  color: var(--color-text-primary);
  font-weight: 500;
  white-space: nowrap;
  width: 30%;
  background: var(--color-surface);
}

.page-content table td {
  width: 70%;
}

.info-table {
  background: var(--color-surface);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.info-table th {
  background: rgba(219, 145, 79, 0.05);
}

/* --- Contact Form --- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group label .required {
  color: var(--color-danger);
  font-size: 0.8rem;
  margin-left: 4px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-gold-dim);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239999a8' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

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

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

.form-message {
  text-align: center;
  padding: 20px;
  border-radius: var(--card-radius);
  margin-bottom: 24px;
  font-size: 0.92rem;
}

.form-message.success {
  background: rgba(126, 200, 192, 0.1);
  border: 1px solid rgba(126, 200, 192, 0.3);
  color: var(--color-jade);
}

.form-message.error {
  background: rgba(196, 92, 92, 0.1);
  border: 1px solid rgba(196, 92, 92, 0.3);
  color: var(--color-danger);
}

/* --- Manual Page --- */
.manual-toc {
  background: var(--color-surface);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--card-radius);
  padding: 24px 32px;
  margin-bottom: 48px;
}

.manual-toc h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  margin-top: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.manual-toc ol {
  padding-left: 0;
}

.manual-toc ol li {
  padding-left: 24px;
}

.manual-toc ol li a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.manual-toc ol li a:hover {
  color: var(--color-gold);
}

.manual-section {
  margin-bottom: 56px;
}

.manual-section h2 {
  margin-top: 0;
}

.manual-screenshot {
  max-width: 320px;
  margin: 24px auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-gold-dim);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.manual-screenshot img {
  width: 100%;
}

.manual-steps {
  background: var(--color-surface);
  border: 1px solid var(--color-gold-dim);
  border-radius: var(--card-radius);
  padding: 20px 24px;
  margin: 16px 0;
}

.manual-steps ol li {
  margin-bottom: 8px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --section-padding: 56px 0;
  }

  body {
    font-size: 14px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero {
    padding: 110px 0 60px;
  }

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

  .page-content table th,
  .page-content table td {
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  .page-content table th {
    width: 35%;
  }

  .page-header h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 600px) {
  .hero-brand {
    font-size: 2.2rem;
  }

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

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

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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