/*
  Funkot Auto DJ — Promo Site
  Design: beta_guide.html準拠のダークテーマ + ネオンブルー (#00b4ff) アクセント
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;900&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --bg: #0a0e1a;
  --surface: #111827;
  --surface2: #1a2236;
  --accent: #00b4ff;
  --accent2: #6366f1;
  --green: #4ade80;
  --red: #f87171;
  --yellow: #fbbf24;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --border: #1e293b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--surface2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--yellow);
}

/* ─── Buttons ─── */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-accent {
  background: var(--accent);
  color: var(--bg);
}

.btn-accent:hover {
  background: #33c4ff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 180, 255, 0.3);
}

/* ─── Navbar ─── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  text-decoration: none;
}

.nav-logo img { border-radius: 6px; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text2);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: #fff; }

.nav-cta {
  background: var(--accent) !important;
  color: var(--bg) !important;
  padding: 6px 16px;
  border-radius: 6px;
  font-weight: 700 !important;
}

.nav-cta:hover { background: #33c4ff !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: 0.2s;
}

/* ─── Hero ─── */
.hero {
  text-align: center;
  padding: 100px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 180, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-logo {
  filter: drop-shadow(0 0 20px rgba(0, 180, 255, 0.3));
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 16px;
}

.hero-desc {
  color: var(--text2);
  font-size: 0.95rem;
  max-width: 700px;
  margin: 0 auto 32px;
}

.hero-cta { margin-bottom: 48px; }

.hero-screenshot {
  max-width: 900px;
  margin: 0 auto;
}

/* ─── Placeholder (スクリーンショット差し替え用) ─── */
.placeholder {
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--text2);
  font-size: 0.95rem;
  min-height: 400px;
  text-align: center;
}

.placeholder small {
  display: block;
  color: var(--accent);
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

.hero-screenshot img,
.editor-screenshot img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

/* ─── Sections ─── */
.section {
  padding: 80px 24px;
}

.section-alt {
  background: var(--surface);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 8px;
  color: #fff;
}

.section-subtitle {
  color: var(--text2);
  font-size: 1rem;
  margin-bottom: 3rem;
}

/* ─── Feature Grid ─── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(0, 180, 255, 0.4);
  transform: translateY(-4px);
}

.feature-card h3 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text2);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ─── Mix Technique Block ─── */
.mix-technique-block {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: center;
}

.mix-technique-photo img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.placeholder-portrait {
  min-height: 240px;
  aspect-ratio: 1/1;
}

.mix-technique-text p {
  color: var(--text2);
  margin: 12px 0;
  line-height: 1.8;
}

.dj-profile {
  margin-top: 24px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  padding: 20px 24px;
}

.dj-profile h4 {
  color: var(--accent);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.dj-profile p {
  color: var(--text2);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
}

/* ─── Cue Editor Block ─── */
.editor-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.editor-text p {
  color: var(--text2);
  margin: 12px 0;
}

.check-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

.check-list li {
  padding: 8px 0;
  color: var(--text);
  font-size: 0.95rem;
  padding-left: 24px;
  position: relative;
}

.check-list li::before {
  content: '✨';
  position: absolute;
  left: 0;
}

/* ─── Steps ─── */
.steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 2rem;
}

.step-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  border-left: 3px solid var(--accent);
}

.step-num {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--bg);
  border-radius: 50%;
  font-weight: 900;
  font-size: 1rem;
}

.step-body h4 {
  color: #fff;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-body p {
  color: var(--text2);
  font-size: 0.92rem;
}

/* ─── Ticket Info ─── */
.ticket-info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.ticket-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.ticket-card.highlight {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(0, 180, 255, 0.06), rgba(99, 102, 241, 0.06));
}

.ticket-card h4 {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.ticket-card p {
  color: var(--text2);
  font-size: 0.88rem;
}

.alert-box {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(0, 180, 255, 0.06);
  border: 1px solid rgba(0, 180, 255, 0.2);
  border-radius: 10px;
  padding: 16px 20px;
}

.alert-icon { font-size: 1.3rem; flex-shrink: 0; }

.alert-box p {
  color: var(--text2);
  font-size: 0.9rem;
}

/* ─── Pricing ─── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-grid.pricing-two-col {
  grid-template-columns: repeat(2, 1fr);
  max-width: 800px;
  margin: 0 auto;
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(0, 180, 255, 0.08);
}

.plan-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  padding: 3px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.monthly-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 2px solid var(--yellow);
  border-radius: 10px;
  padding: 6px 14px;
  background: rgba(251, 191, 36, 0.08);
  line-height: 1.2;
}

.monthly-label {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--yellow);
  letter-spacing: 2px;
}

.monthly-amount {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--yellow);
}

.plan-label {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.plan-price {
  margin-bottom: 4px;
}

.plan-price .yen {
  font-size: 1.2rem;
  vertical-align: top;
  color: #fff;
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
}

.plan-price .period {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text2);
}

.plan-breakdown {
  color: var(--text2);
  font-size: 0.8rem;
  margin-bottom: 4px;
}

.plan-sub {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.plan-list {
  list-style: none;
  flex-grow: 1;
  margin-bottom: 24px;
}

.plan-list li {
  padding: 6px 0;
  font-size: 0.9rem;
  padding-left: 24px;
  position: relative;
}

.plan-list li.ok::before {
  content: '✔️';
  position: absolute;
  left: 0;
}

.plan-list li.no {
  color: #555;
}

.plan-list li.no::before {
  content: '✖️';
  position: absolute;
  left: 0;
}

.plan-list li.accent {
  color: var(--accent);
}

.renewal-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text2);
  margin-top: 12px;
}

.pricing-note {
  margin-top: 2rem;
  text-align: center;
}

.pricing-note p {
  color: var(--text2);
  font-size: 0.85rem;
}

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: #fff;
}

.footer-logo img { border-radius: 4px; }

.footer p { color: var(--text2); font-size: 0.85rem; }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .ticket-info { grid-template-columns: repeat(2, 1fr); }
  .editor-block { grid-template-columns: 1fr; }
  .mix-technique-block { grid-template-columns: 1fr; text-align: center; }
  .mix-technique-photo { max-width: 240px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
  .ticket-info { grid-template-columns: 1fr; }

  .nav-links { 
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.98);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .hero { padding-top: 80px; }
  .placeholder { min-height: 250px; }
}