/* ==========================================================================
   TOKYOFLOW — High-End Tokyo Japanese Learning System
   Design DNA: Shide.app (拾得) Editorial Warmth, Wabi-Sabi Paper & Gold Accent
   ========================================================================== */

:root {
  /* Warm Paper & Heritage Palette (Inspired by Shide.app) */
  --bg-paper: #F8F6F0;
  --bg-paper-tint: #F0ECE1;
  --bg-paper-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: #FFFFFF;
  
  --ink: #111111;
  --ink-sub: #55524E;
  --ink-muted: #78716C;
  --navy: #12365E;
  --navy-deep: #091C33;

  --cinnabar: #BC382C;
  --cinnabar-glow: #E04838;
  --gold: #C5A059;
  --gold-light: #E8D5A3;
  --gold-deep: #9B7A36;
  --emerald: #10B981;

  --border-gold: rgba(197, 160, 89, 0.35);
  --border-gold-subtle: rgba(197, 160, 89, 0.2);
  --border-card: rgba(197, 160, 89, 0.25);

  /* Typography */
  --font-latin: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Shippori Mincho', 'Noto Serif JP', 'Songti SC', serif;
  --font-display: 'Cinzel', serif;
  --font-mono: 'Space Grotesk', 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --shadow-luxury: 0 30px 60px -15px rgba(18, 54, 94, 0.08), 0 0 0 1px rgba(197, 160, 89, 0.25);
  --shadow-card: 0 15px 35px -10px rgba(18, 54, 94, 0.06), 0 0 0 1px rgba(197, 160, 89, 0.2);
  --shadow-hover: 0 25px 50px -12px rgba(18, 54, 94, 0.12), 0 0 0 1px rgba(188, 56, 44, 0.35);
}

*, *::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-latin);
  background-color: var(--bg-paper);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(#E2DCCF 0.75px, transparent 0.75px),
    linear-gradient(to bottom, #FAF8F4 0%, #F5F1E8 100%);
  background-size: 24px 24px, 100% 100%;
}

/* Subtle Layout Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-sub);
}

/* ==========================================================================
   LUXURY WARM HEADER (SHIDE STYLE)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  background: rgba(250, 248, 244, 0.88);
  border-bottom: 1px solid var(--border-gold-subtle);
  transition: all 0.3s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1rem;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--navy);
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--border-gold);
  box-shadow: 0 4px 12px rgba(18, 54, 94, 0.08);
  flex-shrink: 0;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
}

.brand-title span {
  color: var(--cinnabar);
}

.brand-kanji {
  font-family: var(--font-serif);
  font-size: 0.68rem;
  color: var(--ink-sub);
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  white-space: nowrap;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-sub);
  transition: color 0.2s ease;
  position: relative;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--cinnabar);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--cinnabar);
  transition: width 0.25s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.tokyo-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  height: 38px;
  padding: 0 0.85rem;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  border: 1px solid var(--border-gold);
  font-size: 0.74rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--navy);
  box-shadow: 0 2px 8px rgba(18, 54, 94, 0.04);
  white-space: nowrap;
  flex-shrink: 0;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cinnabar);
  box-shadow: 0 0 6px var(--cinnabar);
  animation: pulseAnim 2s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes pulseAnim {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.lang-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  height: 38px;
  padding: 0 0.8rem;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  border: 1px solid var(--border-gold);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(18, 54, 94, 0.04);
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.lang-switch-btn:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
  transform: translateY(-1px);
}

.btn-nav-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  height: 38px;
  padding: 0 1.25rem;
  background: var(--cinnabar);
  color: #FFFFFF;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  font-weight: 700;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(188, 56, 44, 0.25);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-nav-primary:hover {
  background: var(--cinnabar-glow);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(188, 56, 44, 0.35);
}

.btn-nav-primary svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  display: inline-block;
  vertical-align: -1px;
}

/* ==========================================================================
   HERO SECTION (WARM EDITORIAL)
   ========================================================================== */
.hero {
  padding-top: 155px;
  padding-bottom: 75px;
  position: relative;
}

.hero-header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 3rem;
}

.hero-kicker-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  border: 1px solid var(--border-gold);
  font-size: 0.8rem;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 1.8rem;
  box-shadow: 0 2px 10px rgba(18, 54, 94, 0.05);
}

.hero-title-jp {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5.5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--navy);
  margin-bottom: 1.2rem;
}

.hero-title-jp span {
  color: var(--cinnabar);
}

.hero-title-en {
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 400;
  color: var(--ink-sub);
  letter-spacing: -0.01em;
  margin-bottom: 1.6rem;
}

.hero-title-en strong {
  color: var(--navy);
  font-weight: 600;
}

.hero-description {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  color: var(--ink-sub);
  line-height: 1.85;
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.btn-hero-appstore, .btn-hero-yt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 224px;
  min-width: 224px;
  height: 50px;
  box-sizing: border-box;
  font-size: 0.92rem;
  font-family: var(--font-mono);
  font-weight: 700;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  text-align: center;
}

.btn-hero-appstore {
  background: var(--cinnabar);
  border: 1px solid rgba(188, 56, 44, 0.4);
  color: #FFFFFF;
  box-shadow: 0 8px 20px rgba(188, 56, 44, 0.25);
}

.btn-hero-appstore:hover {
  background: var(--cinnabar-glow);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(188, 56, 44, 0.35);
}

.btn-hero-appstore svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

.btn-hero-yt {
  background: #FFFFFF;
  border: 1px solid var(--border-gold);
  color: var(--navy);
  box-shadow: 0 4px 15px rgba(18, 54, 94, 0.05);
}

.btn-hero-yt:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(18, 54, 94, 0.08);
}

.btn-hero-yt svg {
  width: 20px;
  height: 20px;
  fill: #CC0000;
  flex-shrink: 0;
}

/* Metrics Overview Bar */
.hero-metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  background: var(--bg-paper-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.metric-num {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--navy);
}

.metric-label {
  font-size: 0.78rem;
  font-family: var(--font-serif);
  color: var(--ink-sub);
  margin-top: 0.2rem;
}

/* ==========================================================================
   INTERACTIVE SHOWCASE SECTION (SHIDE AESTHETIC)
   ========================================================================== */
.showcase-section {
  padding: 4rem 0 6rem;
  position: relative;
}

.showcase-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
  background: var(--bg-paper-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--shadow-luxury);
  position: relative;
}

.showcase-info {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.section-label-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-stamp {
  padding: 0.25rem 0.65rem;
  background: rgba(188, 56, 44, 0.08);
  border: 1px solid var(--cinnabar);
  border-radius: 4px;
  font-family: var(--font-serif);
  font-size: 0.75rem;
  color: var(--cinnabar);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.showcase-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
}

.showcase-desc {
  font-family: var(--font-serif);
  color: var(--ink-sub);
  font-size: 0.98rem;
  line-height: 1.75;
}

/* Scenario Selector */
.scenario-selector {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.scenario-tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: #FFFFFF;
  border: 1px solid var(--border-gold-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(18, 54, 94, 0.03);
}

.scenario-tab:hover {
  border-color: var(--gold);
  transform: translateY(-1px);
}

.scenario-tab.active {
  background: #FFFFFF;
  border-color: var(--cinnabar);
  box-shadow: 0 6px 18px rgba(188, 56, 44, 0.1);
}

.tab-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
  min-width: 0;
}

.tab-icon-box {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-paper-tint);
  border: 1px solid var(--border-gold-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.scenario-tab.active .tab-icon-box {
  background: var(--cinnabar);
  color: #fff;
  border-color: var(--cinnabar);
}

.tab-title-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.tab-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-subtitle {
  font-size: 0.78rem;
  color: var(--ink-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  width: 96px;
  min-width: 96px;
  height: 28px;
  border-radius: 6px;
  background: var(--bg-paper-tint);
  border: 1px solid var(--border-gold-subtle);
  color: var(--ink-sub);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-shrink: 0;
  margin-left: 0.75rem;
  box-sizing: border-box;
  transition: all 0.2s ease;
}

.scenario-tab.active .tab-tag {
  background: rgba(188, 56, 44, 0.08);
  border-color: rgba(188, 56, 44, 0.3);
  color: var(--cinnabar);
}

/* ==========================================================================
   PHONE MOCKUP (REFINED TITANIUM & WARM CANVAS)
   ========================================================================== */
.phone-mockup-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.iphone-frame {
  width: 324px;
  height: 640px;
  background: #FAF8F5;
  border: 4px solid #D5CBB9;
  border-radius: 48px;
  box-shadow: 
    0 0 0 2px #E8E2D5,
    0 25px 60px -15px rgba(18, 54, 94, 0.18),
    0 0 30px rgba(197, 160, 89, 0.15);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  user-select: none;
}

.dynamic-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 24px;
  background: #1C1917;
  border-radius: 20px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
}

.camera-lens {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #292524;
}

.island-mic {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #171513;
}

.phone-screen {
  flex: 1;
  padding: 42px 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(180deg, #FAF8F4 0%, #F5F1E8 100%);
  color: var(--ink);
  position: relative;
}

.app-top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-gold-subtle);
  padding-bottom: 10px;
}

.app-badge-level {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(188, 56, 44, 0.1);
  color: var(--cinnabar);
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 700;
}

.app-register-tag {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  color: var(--ink-sub);
  background: #FFFFFF;
  border: 1px solid var(--border-gold-subtle);
  padding: 2px 8px;
  border-radius: 12px;
}

.app-scenario-card {
  background: #FFFFFF;
  border: 1px solid var(--border-gold);
  border-radius: 16px;
  padding: 16px 14px;
  margin-top: 8px;
  box-shadow: 0 4px 15px rgba(18, 54, 94, 0.05);
}

.app-district-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--gold-deep);
  font-family: var(--font-mono);
  margin-bottom: 8px;
  font-weight: 600;
}

.app-japanese-phrase {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.45;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 6px;
}

.app-romaji-phrase {
  font-size: 0.75rem;
  color: var(--cinnabar);
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.app-english-phrase {
  font-size: 0.75rem;
  color: var(--ink-sub);
  line-height: 1.4;
}

.pitch-accent-box {
  margin-top: 10px;
  padding: 10px;
  background: var(--bg-paper-tint);
  border-radius: 10px;
  border: 1px solid var(--border-gold-subtle);
}

.pitch-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  font-family: var(--font-serif);
  color: var(--ink-sub);
  margin-bottom: 6px;
}

.pitch-curve-svg {
  width: 100%;
  height: 28px;
}

.app-waveform-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 36px;
  margin: 8px 0;
}

.wave-bar {
  width: 3px;
  height: 10px;
  background: var(--cinnabar);
  border-radius: 2px;
  transition: height 0.2s ease;
}

.is-playing .wave-bar:nth-child(odd) {
  animation: waveAnim1 0.6s infinite ease-in-out;
}
.is-playing .wave-bar:nth-child(even) {
  animation: waveAnim2 0.8s infinite ease-in-out;
}

@keyframes waveAnim1 {
  0%, 100% { height: 6px; }
  50% { height: 28px; background: var(--gold-deep); }
}

@keyframes waveAnim2 {
  0%, 100% { height: 26px; }
  50% { height: 6px; background: var(--cinnabar); }
}

.app-play-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px;
  background: var(--cinnabar);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(188, 56, 44, 0.25);
  transition: all 0.2s ease;
}

.app-play-button:hover {
  background: var(--cinnabar-glow);
  transform: translateY(-1px);
}

/* ==========================================================================
   EDITORIAL SECTION: PEDAGOGICAL BLUEPRINT
   ========================================================================== */
.editorial-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-gold-subtle);
  position: relative;
}

.editorial-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem;
}

.editorial-heading {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-top: 0.75rem;
  margin-bottom: 1rem;
}

.editorial-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.editorial-col {
  background: var(--bg-paper-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--shadow-card);
}

.editorial-col.fail {
  border-color: rgba(188, 56, 44, 0.25);
}

.editorial-col.solution {
  border-color: rgba(197, 160, 89, 0.4);
}

.editorial-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  display: inline-block;
  align-self: flex-start;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.editorial-col.fail .editorial-badge {
  background: rgba(188, 56, 44, 0.1);
  color: var(--cinnabar);
}

.editorial-col.solution .editorial-badge {
  background: rgba(18, 54, 94, 0.08);
  color: var(--navy);
}

.editorial-points {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.point-item {
  display: flex;
  gap: 1rem;
}

.point-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold-deep);
  font-weight: 700;
}

.point-content h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.3rem;
}

.point-content p {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--ink-sub);
  line-height: 1.65;
}

/* ==========================================================================
   FOUR CORE PILLARS SECTION (四大体系)
   ========================================================================== */
.pillars-section {
  padding: 5rem 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.pillar-card {
  background: var(--bg-paper-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--cinnabar);
  box-shadow: var(--shadow-hover);
  background: #FFFFFF;
}

.pillar-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cinnabar);
  font-weight: 700;
}

.pillar-icon-symbol {
  font-size: 1.8rem;
}

.pillar-title-jp {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.3rem;
}

.pillar-title-en {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-sub);
  margin-bottom: 0.85rem;
}

.pillar-desc {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--ink-sub);
  line-height: 1.7;
}

.pillar-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.pillar-tag {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  background: var(--bg-paper-tint);
  color: var(--ink-sub);
  border: 1px solid var(--border-gold-subtle);
}

/* ==========================================================================
   VIDEO ACADEMY GALLERY
   ========================================================================== */
.academy-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-gold-subtle);
}

.academy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.2rem;
  margin-top: 3rem;
}

.video-editorial-card {
  background: var(--bg-paper-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.video-editorial-card:hover {
  border-color: var(--cinnabar);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.video-thumb-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  background: #000;
  overflow: hidden;
}

.video-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-editorial-card:hover .video-thumb-img {
  transform: scale(1.04);
}

.video-badge-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(18, 54, 94, 0.9);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  border: 1px solid var(--border-gold);
}

.video-play-btn-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--cinnabar);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 8px 25px rgba(188, 56, 44, 0.4);
  transition: transform 0.2s ease, background 0.2s ease;
}

.video-editorial-card:hover .video-play-btn-circle {
  transform: translate(-50%, -50%) scale(1.12);
  background: var(--cinnabar-glow);
}

.video-meta-body {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.video-district-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold-deep);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.video-card-title {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--navy);
}

.video-card-desc {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--ink-sub);
  line-height: 1.65;
}

.video-card-action {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cinnabar);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   1-YEAR CURRICULUM ROADMAP
   ========================================================================== */
.roadmap-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-gold-subtle);
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.roadmap-card {
  background: var(--bg-paper-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-card);
}

.roadmap-q-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: var(--bg-paper-tint);
  color: var(--navy);
  align-self: flex-start;
  font-weight: 700;
}

.roadmap-level-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
}

.roadmap-level-sub {
  font-size: 0.8rem;
  color: var(--gold-deep);
  font-weight: 600;
  margin-top: -0.5rem;
}

.roadmap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-size: 0.86rem;
  color: var(--ink-sub);
}

.roadmap-list li {
  position: relative;
  padding-left: 1rem;
  line-height: 1.5;
}

.roadmap-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--cinnabar);
}

/* ==========================================================================
   DOWNLOAD CTA SECTION (WARM LUXURY)
   ========================================================================== */
.download-section {
  padding: 5rem 0 7rem;
  position: relative;
}

.download-box {
  background: #FFFFFF;
  border: 2px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 4.5rem 3rem;
  text-align: center;
  box-shadow: var(--shadow-luxury);
  position: relative;
  overflow: hidden;
}

.download-box-inner {
  max-width: 680px;
  margin: 0 auto;
}

.download-box-title {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.2rem;
}

.download-box-p {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink-sub);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.download-actions-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   SITE FOOTER (SHIDE STYLE WARM LINEN)
   ========================================================================== */
.site-footer {
  padding: 4rem 0 3rem;
  border-top: 1px solid var(--border-gold);
  background: var(--bg-paper-tint);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-brand-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
}

.footer-brand-tagline {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--ink-sub);
}

.footer-links-group {
  display: flex;
  gap: 2rem;
}

.footer-links-group a {
  text-decoration: none;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink-sub);
  transition: color 0.2s ease;
}

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

.footer-copyright {
  width: 100%;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-gold-subtle);
  font-family: var(--font-serif);
  font-size: 0.82rem;
  color: var(--ink-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1140px) {
  .tokyo-live-badge {
    display: none;
  }
  .nav-links {
    gap: 1.1rem;
  }
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }
}

@media (max-width: 1024px) {
  .showcase-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 2.5rem;
  }
  
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  
  .roadmap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero {
    padding-top: 120px;
  }

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

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

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

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

  .download-box {
    padding: 3rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-cta-group, .download-actions-wrap {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  .btn-hero-appstore, .btn-hero-yt {
    width: 100%;
    max-width: 280px;
  }
}