/* ==========================================================================
   TOKYO SUSHI — CLEAN BASE DESIGN SYSTEM
   ========================================================================== */

/* --- 1. Design Tokens & Variables --- */
:root {
  --bg-deep: #050505;
  --bg-secondary: #0d0d0f;
  --text-white: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.4);
  
  --neon-red: #FF1744;
  --neon-pink: #FF2D75;
  
  --glow-red: 0 0 30px rgba(255, 23, 68, 0.6);
  --glow-pink: 0 0 35px rgba(255, 45, 117, 0.6);
  
  --glass-bg: rgba(5, 5, 5, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(15px);
  
  --font-title: 'Bebas Neue', sans-serif;
  --font-condensed: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  
  --ease-cinematic: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: 16px;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-white);
  overflow-x: clip;
  min-height: 100vh;
}

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

/* --- 3. Custom Desktop Cursor --- */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--neon-red);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: width 0.2s, height 0.2s, border-color 0.2s, opacity 0.3s;
}

.custom-cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--neon-red);
  box-shadow: var(--glow-red);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10001;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.custom-cursor.hovering {
  width: 50px;
  height: 50px;
  border-color: var(--neon-pink);
  background: rgba(255, 45, 117, 0.1);
  box-shadow: var(--glow-pink);
}

@media (pointer: coarse), (hover: none) {
  .custom-cursor, .custom-cursor-dot {
    display: none !important;
  }
}

/* --- 4. Floating Header --- */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 24px 48px;
  transition: background 0.3s, backdrop-filter 0.3s, padding 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

.header-nav.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 16px 48px;
  border-bottom: 1px solid var(--glass-border);
}

.header-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-kanji {
  font-family: var(--font-jp);
  font-weight: 900;
  font-size: 1rem;
  color: var(--neon-red);
  padding: 4px 8px;
  border: 1px solid rgba(255, 23, 68, 0.4);
  background: rgba(255, 23, 68, 0.08);
  border-radius: 2px;
}

.logo-text {
  font-family: var(--font-title);
  font-size: 1.6rem;
  letter-spacing: 0.12em;
}

.logo-sub {
  color: var(--neon-red);
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-condensed);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-coordinates {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-condensed);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--neon-red);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-red);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.7); }
}

.btn-neon-header {
  padding: 10px 22px;
  font-family: var(--font-condensed);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #fff;
  border: 1px solid var(--neon-red);
  background: rgba(255, 23, 68, 0.05);
  box-shadow: inset 0 0 10px rgba(255, 23, 68, 0.15), 0 0 15px rgba(255, 23, 68, 0.2);
  border-radius: 2px;
  transition: all 0.3s;
}

.btn-neon-header:hover {
  background: var(--neon-red);
  box-shadow: 0 0 25px rgba(255, 23, 68, 0.8);
}

.cart-trigger-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: #FFFFFF;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
}

.cart-trigger-btn:hover {
  background: rgba(255, 45, 117, 0.15);
  border-color: var(--neon-pink);
  box-shadow: 0 0 15px rgba(255, 45, 117, 0.4);
  color: var(--neon-pink);
}

.cart-icon-svg {
  width: 20px;
  height: 20px;
}

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 19px;
  height: 19px;
  padding: 0 5px;
  background: var(--neon-red);
  color: #FFFFFF;
  font-family: var(--font-condensed);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px var(--neon-red);
}

/* --- 5. Fullscreen Screen Sections & Hero Sticky Container --- */
.hero-scroll-container {
  position: relative;
  width: 100%;
  height: 145vh; /* 145vh for clear, noticeable cinematic camera zoom & text dissolve */
  min-height: 145dvh;
  margin: 0;
  padding: 0;
  border: none;
  background-color: var(--bg-deep);
}

.hero-sticky-frame {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
}

.hero-zoom-video {
  transform-origin: center 45%;
  will-change: transform;
}

.hero-number-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  pointer-events: none;
  transition: opacity 0.1s linear, transform 0.1s linear;
}

.hero-num {
  font-family: var(--font-title);
  font-size: clamp(14rem, 28vw, 32rem);
  line-height: 0.8;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 23, 68, 0.16);
  text-shadow: 0 0 50px rgba(255, 23, 68, 0.08);
  user-select: none;
  display: block;
}

.screen-section {
  position: relative;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  border: none;
  background-color: var(--bg-deep);
}

/* Video Wrapper & Overlays */
.video-media-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.fullscreen-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.video-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-overlay {
  background: 
    radial-gradient(circle at center, transparent 35%, rgba(5, 5, 5, 0.7) 90%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.8) 0%, transparent 20%, transparent 70%, var(--bg-deep) 100%),
    linear-gradient(90deg, rgba(5, 5, 5, 0.8) 0%, rgba(5, 5, 5, 0.2) 50%, rgba(5, 5, 5, 0.8) 100%);
}

.explosion-overlay {
  background: 
    radial-gradient(circle at 65% 50%, transparent 35%, rgba(5, 5, 5, 0.5) 85%),
    linear-gradient(90deg, rgba(5, 5, 5, 0.92) 0%, rgba(5, 5, 5, 0.55) 40%, transparent 70%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.7) 0%, transparent 15%, transparent 85%, rgba(5, 5, 5, 0.95) 100%);
}

/* --- 6. Section 01: Hero Content --- */
.section-content-center {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.editorial-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(5, 5, 5, 0.6);
  backdrop-filter: blur(10px);
  border-radius: 2px;
  margin-bottom: 24px;
}

.kanji-badge {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--neon-pink);
  letter-spacing: 0.15em;
}

.badge-separator {
  color: var(--text-muted);
}

.badge-text {
  font-family: var(--font-condensed);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--text-dim);
}

.main-title {
  font-family: var(--font-title);
  font-size: clamp(4.5rem, 13vw, 10.5rem);
  line-height: 0.88;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.title-white {
  color: #fff;
}

.neon-red-text {
  color: var(--neon-red);
  text-shadow: var(--glow-red), 0 0 60px rgba(255, 23, 68, 0.3);
}

.neon-pink-text {
  color: var(--neon-pink);
  text-shadow: var(--glow-pink), 0 0 60px rgba(255, 45, 117, 0.3);
}

.section-lead-text {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: 32px;
}

.text-dim {
  color: var(--text-dim);
  font-weight: 300;
}

.hero-cta-group {
  margin-bottom: 36px;
}

.btn-primary-neon {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  font-family: var(--font-condensed);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #fff;
  background: linear-gradient(135deg, var(--neon-red), var(--neon-pink));
  border-radius: 2px;
  box-shadow: var(--glow-red);
  transition: all 0.3s var(--ease-cinematic);
}

.btn-primary-neon:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 35px rgba(255, 23, 68, 0.7);
}

.arrow-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.3s;
}

.btn-primary-neon:hover .arrow-icon {
  transform: translate(3px, -3px);
}

.scroll-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.75;
}

.scroll-mouse {
  width: 20px;
  height: 32px;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}

.scroll-wheel {
  width: 3px;
  height: 6px;
  background: var(--neon-red);
  border-radius: 2px;
  animation: wheelAnim 1.6s infinite ease-in-out;
}

@keyframes wheelAnim {
  0% { transform: translateY(0); opacity: 1; }
  80% { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

.scroll-label {
  font-family: var(--font-condensed);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--text-muted);
}

.corner-meta {
  position: absolute;
  z-index: 10;
  font-family: var(--font-condensed);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  pointer-events: none;
}

.corner-tl { top: 32px; left: 48px; }
.corner-tr { top: 32px; right: 48px; }
.corner-bl { bottom: 32px; left: 48px; }
.corner-br { bottom: 32px; right: 48px; }

.kanji-vertical {
  font-family: var(--font-jp);
  writing-mode: vertical-rl;
  letter-spacing: 0.4em;
}

/* --- 7. Section 02: The Explosion Content --- */
/* --- 7. Section 02: The Explosion Sticky Container & Styles --- */
.explosion-scroll-container {
  position: relative;
  width: 100%;
  height: 135vh; /* 135vh for short, responsive, cinematic camera glide through ingredients */
  min-height: 135dvh;
  margin: 0;
  padding: 0;
  border: none;
  background-color: var(--bg-deep);
}

.explosion-sticky-frame {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.explosion-zoom-video {
  transform-origin: 60% 45%;
  will-change: transform;
}

.chapter-number-bg {
  position: absolute;
  top: 50%;
  left: 6%;
  transform: translateY(-50%);
  z-index: 4;
  pointer-events: none;
  transition: opacity 0.1s linear, transform 0.1s linear;
}

.huge-num {
  font-family: var(--font-title);
  font-size: clamp(14rem, 28vw, 32rem);
  line-height: 0.8;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 45, 117, 0.28);
  text-shadow: 0 0 50px rgba(255, 45, 117, 0.15);
  display: block;
  user-select: none;
}

.section-content-left {
  position: relative;
  z-index: 12;
  max-width: 680px;
  padding: 0 64px;
  margin-left: 5vw;
  transition: opacity 0.08s linear, transform 0.08s linear, filter 0.08s linear;
}

.tag-line-red {
  width: 35px;
  height: 2px;
  background: var(--neon-red);
  box-shadow: 0 0 10px var(--neon-red);
  display: inline-block;
}

.explosion-word {
  display: inline-block;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), text-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.explosion-word.glow-active {
  transform: scale(1.03);
  text-shadow: 0 0 20px rgba(255, 23, 68, 0.9), 0 0 45px rgba(255, 45, 117, 0.9), 0 0 70px rgba(255, 45, 117, 0.5);
}

.chapter-tag-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.tag-num {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: var(--neon-pink);
}

.tag-divider {
  width: 40px;
  height: 1px;
  background: var(--neon-pink);
}

.tag-kanji {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.tag-meta {
  font-family: var(--font-condensed);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.chapter-title {
  font-family: var(--font-title);
  font-size: clamp(3.8rem, 8vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.chapter-statement {
  font-family: var(--font-condensed);
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.35;
  color: #fff;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.ingredient-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding-left: 12px;
  border-left: 2px solid var(--neon-pink);
}

.ing-item {
  font-family: var(--font-condensed);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.ing-pink {
  color: var(--neon-pink);
  font-weight: 700;
}

.tech-spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.spec-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.spec-lbl {
  font-family: var(--font-condensed);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.spec-data {
  font-family: var(--font-condensed);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
}

.side-accent-right {
  position: absolute;
  right: 48px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  pointer-events: none;
}

.kanji-tall {
  font-family: var(--font-jp);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.5em;
  color: rgba(255, 255, 255, 0.25);
  writing-mode: vertical-rl;
}

.accent-line {
  width: 1px;
  height: 80px;
  background: linear-gradient(180deg, rgba(255, 45, 117, 0.5), transparent);
}

/* --- 8. Section 03: Chef / Crafted With Precision Styles --- */
.craft-scroll-container {
  position: relative;
  width: 100%;
  height: 135vh; /* 135vh for smooth, elegant camera approach to the chef */
  min-height: 135dvh;
  margin: 0;
  padding: 0;
  border: none;
  background-color: var(--bg-deep);
}

.craft-sticky-frame {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.craft-zoom-video {
  transform-origin: 70% 50%;
  object-position: 72% center;
  will-change: transform;
}

.craft-overlay {
  background: 
    radial-gradient(circle at 70% 50%, transparent 40%, rgba(5, 5, 5, 0.5) 85%),
    linear-gradient(90deg, rgba(5, 5, 5, 0.92) 0%, rgba(5, 5, 5, 0.5) 40%, transparent 75%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.7) 0%, transparent 15%, transparent 85%, rgba(5, 5, 5, 0.95) 100%);
}

.craft-num-bg {
  left: 6%;
}

.craft-num {
  -webkit-text-stroke: 2px rgba(255, 23, 68, 0.25);
  text-shadow: 0 0 50px rgba(255, 23, 68, 0.12);
}

.tag-num-craft {
  color: var(--neon-red);
}

.craft-content-left {
  max-width: 560px;
  padding: 0 48px;
  margin-left: 4vw;
}

.craft-triad-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  padding-left: 12px;
  border-left: 2px solid var(--neon-red);
}

.craft-triad-item {
  font-family: var(--font-condensed);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* --- 9. Section 04: Fire Meets Flavor Styles --- */
.fire-scroll-container {
  position: relative;
  width: 100%;
  height: 135vh; /* 135vh for impactful, dynamic flame seared approach */
  min-height: 135dvh;
  margin: 0;
  padding: 0;
  border: none;
  background-color: var(--bg-deep);
}

.fire-sticky-frame {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.fire-zoom-video {
  transform-origin: 65% 50%;
  object-position: 70% center;
  will-change: transform;
}

.fire-overlay {
  background: 
    radial-gradient(circle at 65% 50%, transparent 35%, rgba(5, 5, 5, 0.55) 85%),
    linear-gradient(90deg, rgba(5, 5, 5, 0.94) 0%, rgba(5, 5, 5, 0.55) 45%, transparent 80%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.7) 0%, transparent 15%, transparent 85%, rgba(5, 5, 5, 0.95) 100%);
}

.fire-ambient-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(255, 23, 68, 0.18) 0%, rgba(255, 87, 34, 0.12) 40%, transparent 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 2;
}

.fire-num-bg {
  left: 6%;
}

.fire-num {
  -webkit-text-stroke: 2px rgba(255, 87, 34, 0.28);
  text-shadow: 0 0 50px rgba(255, 87, 34, 0.15);
}

.tag-num-fire {
  color: #FF5722;
}

.tag-line-fire {
  width: 35px;
  height: 2px;
  background: #FF5722;
  box-shadow: 0 0 10px #FF5722;
  display: inline-block;
}

.fire-content-left {
  max-width: 620px;
}

.neon-fire-text {
  color: #FF1744;
  text-shadow: 0 0 25px rgba(255, 23, 68, 0.8), 0 0 50px rgba(255, 87, 34, 0.6);
}

.fire-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  padding-left: 12px;
  border-left: 2px solid #FF5722;
}

.fire-meta-item {
  font-family: var(--font-condensed);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.fire-highlight {
  color: #FF5722;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(255, 87, 34, 0.8);
}

.fire-accent-line {
  background: linear-gradient(180deg, rgba(255, 87, 34, 0.6), transparent);
}

/* --- 10. Section 05: The Signature Styles --- */
.signature-scroll-container {
  position: relative;
  width: 100%;
  height: 135vh; /* 135vh for slow, elegant, contemplative luxury pace */
  min-height: 135dvh;
  margin: 0;
  padding: 0;
  border: none;
  background-color: var(--bg-deep);
}

.signature-sticky-frame {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.signature-zoom-video {
  transform-origin: 65% 50%;
  object-position: 70% center;
  will-change: transform;
}

.signature-overlay {
  background: 
    radial-gradient(circle at 65% 50%, transparent 40%, rgba(5, 5, 5, 0.5) 85%),
    linear-gradient(90deg, rgba(5, 5, 5, 0.94) 0%, rgba(5, 5, 5, 0.5) 45%, transparent 80%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.7) 0%, transparent 15%, transparent 85%, rgba(5, 5, 5, 0.95) 100%);
}

.signature-ambient-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(136, 14, 79, 0.12) 0%, rgba(49, 10, 30, 0.08) 50%, transparent 75%);
  opacity: 0.7;
  pointer-events: none;
  z-index: 2;
}

.signature-num-bg {
  left: 6%;
}

.signature-num {
  -webkit-text-stroke: 2px rgba(255, 45, 117, 0.18);
  text-shadow: 0 0 50px rgba(255, 45, 117, 0.08);
}

.tag-num-signature {
  color: var(--neon-pink);
}

.tag-line-signature {
  width: 35px;
  height: 2px;
  background: var(--neon-pink);
  box-shadow: 0 0 10px var(--neon-pink);
  display: inline-block;
}

.signature-sub-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-condensed);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.editorial-dash {
  color: var(--neon-pink);
  opacity: 0.7;
}

.editorial-series {
  font-weight: 700;
  color: var(--text-dim);
}

.editorial-year {
  color: var(--text-muted);
}

.signature-content-left {
  max-width: 580px;
  padding: 0 48px;
  margin-left: 4vw;
}

.sig-the-word {
  display: inline-block;
  transition: opacity 0.08s linear, transform 0.08s linear;
}

.sig-name-word {
  display: inline-block;
  transition: opacity 0.08s linear, transform 0.08s linear;
}

.signature-triad-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  padding-left: 12px;
  border-left: 2px solid var(--neon-pink);
}

.sig-triad-item {
  font-family: var(--font-condensed);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.sig-highlight {
  color: var(--neon-pink);
  font-weight: 700;
  text-shadow: 0 0 10px rgba(255, 45, 117, 0.6);
}

.signature-accent-line {
  background: linear-gradient(180deg, rgba(255, 45, 117, 0.6), transparent);
}

/* --- 11. Section 06: Tokyo Finale / Experience Tokyo Styles --- */
.finale-scroll-container {
  position: relative;
  width: 100%;
  height: 135vh; /* 135vh for graceful pull-back camera revealing Tokyo */
  min-height: 135dvh;
  margin: 0;
  padding: 0;
  border: none;
  background-color: var(--bg-deep);
}

.finale-sticky-frame {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

.finale-zoom-video {
  transform-origin: center center;
  object-position: center;
  will-change: transform;
}

.finale-overlay {
  background: 
    radial-gradient(circle at center, transparent 35%, rgba(5, 5, 5, 0.6) 85%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.7) 0%, transparent 20%, transparent 70%, var(--bg-deep) 100%),
    linear-gradient(90deg, rgba(5, 5, 5, 0.9) 0%, rgba(5, 5, 5, 0.4) 45%, transparent 80%);
}

.finale-ambient-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 50%, rgba(255, 23, 68, 0.14) 0%, rgba(255, 45, 117, 0.08) 45%, transparent 75%);
  opacity: 0.7;
  pointer-events: none;
  z-index: 2;
}

.finale-num-bg {
  left: 4%;
}

.finale-num {
  -webkit-text-stroke: 2px rgba(255, 23, 68, 0.16);
  text-shadow: 0 0 50px rgba(255, 23, 68, 0.08);
}

.tag-num-finale {
  color: var(--neon-red);
}

.tag-line-finale {
  width: 35px;
  height: 2px;
  background: var(--neon-red);
  box-shadow: 0 0 10px var(--neon-red);
  display: inline-block;
}

.finale-content-left {
  max-width: 650px;
  padding: 0 48px;
  margin-left: 4vw;
}

.finale-statement {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 28px;
  text-transform: uppercase;
}

.finale-cta-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 10px;
  transition: opacity 0.1s linear, transform 0.1s linear;
}

.finale-btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.btn-primary-reserve {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  font-family: var(--font-condensed);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #fff;
  background: var(--neon-red);
  border-radius: 2px;
  box-shadow: var(--glow-red);
  transition: all 0.3s var(--ease-cinematic);
  text-transform: uppercase;
}

.btn-primary-reserve:hover {
  transform: scale(1.02);
  box-shadow: 0 0 40px rgba(255, 23, 68, 0.85);
}

.btn-secondary-explore {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-condensed);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s;
}

.btn-secondary-explore:hover {
  color: #fff;
  border-bottom-color: var(--neon-red);
}

.menu-arrow {
  transition: transform 0.3s;
}

.btn-secondary-explore:hover .menu-arrow {
  transform: translateX(4px);
}

.finale-microcopy {
  font-family: var(--font-condensed);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 4px;
}

.finale-accent-line {
  background: linear-gradient(180deg, rgba(255, 23, 68, 0.6), transparent);
}

/* --- 12. Mobile Navigation Drawer & Hamburger --- */
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  background: rgba(15, 15, 15, 0.85);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px;
  z-index: 1002;
  transition: all 0.25s var(--ease-cinematic);
}

.mobile-menu-btn:hover {
  border-color: var(--neon-red);
  background: rgba(255, 23, 68, 0.15);
}

.hamburger-bar {
  width: 20px;
  height: 2px;
  background: #FFFFFF;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}

.mobile-menu-btn.active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--neon-red);
}

.mobile-menu-btn.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--neon-red);
}

.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  background: #050505;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: max(20px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(28px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.35s var(--ease-cinematic), transform 0.35s var(--ease-cinematic);
  overflow-y: auto;
}

.mobile-nav-drawer.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav-bg-glow {
  position: absolute;
  top: 15%;
  right: -20%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255, 23, 68, 0.18) 0%, rgba(255, 45, 117, 0.08) 50%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.mobile-nav-kanji-watermark {
  position: absolute;
  bottom: 10%;
  left: 5%;
  font-family: var(--font-jp);
  font-size: 14rem;
  font-weight: 900;
  color: #FFFFFF;
  opacity: 0.025;
  pointer-events: none;
  user-select: none;
  line-height: 1;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 2;
}

.mobile-nav-close-btn {
  width: 44px;
  height: 44px;
  background: rgba(20, 20, 20, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  color: #FFFFFF;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.mobile-nav-close-btn:hover {
  background: var(--neon-red);
  border-color: var(--neon-red);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 30px 0;
  z-index: 2;
}

.mobile-nav-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.2s;
}

.mobile-nav-link .link-en {
  font-family: var(--font-title);
  font-size: clamp(2rem, 7vw, 2.8rem);
  letter-spacing: 0.08em;
  color: #FFFFFF;
  text-transform: uppercase;
  transition: color 0.2s, transform 0.2s;
}

.mobile-nav-link .link-jp {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  color: var(--neon-red);
  opacity: 0.7;
}

.mobile-nav-link:hover .link-en,
.mobile-nav-link.active .link-en {
  color: var(--neon-red);
  transform: translateX(6px);
}

.mobile-nav-footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 2;
}

.btn-mobile-order-now {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--neon-red);
  color: #FFFFFF;
  font-family: var(--font-condensed);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(255, 23, 68, 0.5);
  transition: all 0.25s;
}

.btn-mobile-order-now:hover {
  background: #FF2D55;
  box-shadow: 0 0 30px rgba(255, 23, 68, 0.8);
}

.mobile-nav-meta {
  font-family: var(--font-condensed);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  text-align: center;
  text-transform: uppercase;
}

/* --- 13. Consolidated Responsive Breakpoints --- */

/* TABLET LANDSCAPE & DESKTOP COMPACT (1024px to 1200px) */
@media (max-width: 1200px) {
  .header-nav {
    padding: 18px 32px;
  }
  .header-coordinates {
    display: none;
  }
  .nav-links {
    gap: 20px;
  }
  .section-content-left {
    padding: 0 32px;
  }
}

/* TABLET PORTRAIT (769px to 1023px) */
@media (max-width: 1023px) {
  .header-nav {
    padding: 16px 24px;
  }
  .nav-links, .header-coordinates {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .btn-neon-header {
    display: none;
  }

  /* Section framing for tablet portrait */
  .section-content-left {
    padding: 0 28px;
    margin-left: 16px;
    max-width: 580px;
  }

  .huge-num {
    font-size: clamp(8rem, 18vw, 14rem);
    opacity: 0.35;
  }

  .chapter-title {
    font-size: clamp(2.8rem, 8vw, 4.5rem);
  }

  .tech-spec-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

/* MOBILE PHONES (<= 768px) */
@media (max-width: 768px) {
  /* Scroll Container standard heights */
  .hero-scroll-container,
  .explosion-scroll-container,
  .craft-scroll-container,
  .fire-scroll-container,
  .signature-scroll-container,
  .finale-scroll-container {
    height: 130dvh;
    min-height: 130dvh;
  }

  .hero-sticky-frame,
  .explosion-sticky-frame,
  .craft-sticky-frame,
  .fire-sticky-frame,
  .signature-sticky-frame,
  .finale-sticky-frame {
    height: 100dvh;
    min-height: 100dvh;
    max-height: 100dvh;
  }

  /* Mobile Header */
  .header-nav {
    padding: 12px 16px;
    padding-top: max(12px, env(safe-area-inset-top));
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }
  
  .header-nav.scrolled {
    padding: 10px 16px;
  }

  .brand-logo {
    gap: 8px;
  }
  .logo-kanji {
    font-size: 0.85rem;
    padding: 3px 6px;
  }
  .logo-text {
    font-size: 1.35rem;
  }

  .header-actions {
    gap: 12px;
  }

  /* Video Object Positions & Calibrated Mobile Scales (5-12% smaller for full breathing room) */
  .hero-zoom-video {
    object-position: center 40%;
    transform: scale(0.90);
  }
  .explosion-zoom-video {
    object-position: center center;
    transform: scale(0.91);
  }
  .craft-zoom-video {
    object-position: 55% center;
    transform: scale(0.93);
  }
  .fire-zoom-video {
    object-position: center center;
    transform: scale(0.91);
  }
  .signature-zoom-video {
    object-position: center 45%;
    transform: scale(0.92);
  }
  .finale-zoom-video {
    object-position: center 35%;
    transform: scale(0.94);
  }

  /* Content framing on mobile */
  .section-content-left,
  .craft-content-left,
  .fire-content-left,
  .signature-content-left,
  .finale-content-left {
    padding: 0 18px;
    margin-left: 0;
    width: 100%;
    max-width: 100%;
    padding-left: max(18px, env(safe-area-inset-left));
    padding-right: max(18px, env(safe-area-inset-right));
    z-index: 10;
  }

  /* Typography clamp */
  .main-title {
    font-size: clamp(3rem, 13vw, 4.8rem);
    line-height: 0.92;
    letter-spacing: 0.04em;
  }

  .chapter-title {
    font-size: clamp(2.4rem, 10vw, 3.8rem);
    line-height: 0.95;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
  }

  .section-lead-text,
  .hero-lead-text,
  .craft-lead-text,
  .fire-lead-text,
  .signature-lead-text {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 20px;
    max-width: 95%;
  }

  .huge-num {
    font-size: clamp(6.5rem, 24vw, 11rem);
    opacity: 0.25;
    top: auto;
    bottom: 5%;
    left: 2%;
  }

  .hero-num-bg {
    left: 2%;
    bottom: 8%;
  }

  .chapter-number-bg {
    left: 2%;
    bottom: 6%;
    top: auto;
    transform: none !important;
  }

  /* Mobile Spec Grid */
  .tech-spec-grid,
  .craft-spec-grid,
  .fire-spec-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-top: 12px;
    margin-top: 12px;
  }

  .spec-item {
    gap: 8px;
  }

  .spec-value {
    font-size: 0.88rem;
  }

  /* Touch-friendly buttons on mobile */
  .hero-cta,
  .btn-primary-reserve,
  .btn-secondary-explore {
    min-height: 48px;
    padding: 13px 24px;
    font-size: 0.9rem;
  }

  .finale-btn-group {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .btn-primary-reserve,
  .btn-secondary-explore {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* Hide decorative desktop-only elements */
  .corner-meta,
  .side-accent-right,
  .side-accent-left,
  .scroll-indicator-wrap {
    display: none !important;
  }
}

/* NARROW SCREENS (iPhone SE / 320px to 375px) */
@media (max-width: 375px) {
  .main-title {
    font-size: clamp(2.5rem, 12vw, 3.2rem);
  }
  .chapter-title {
    font-size: clamp(2.1rem, 9.5vw, 2.8rem);
  }
  .section-lead-text {
    font-size: 0.84rem;
  }
  .header-nav {
    padding: 10px 12px;
  }
  .logo-text {
    font-size: 1.15rem;
  }
}

/* TOUCH PERFORMANCE OPTIMIZATION */
@media (pointer: coarse) {
  .btn-card-quick-add,
  .btn-primary-reserve,
  .btn-neon-header {
    transform: none !important;
  }
  .product-card {
    transform: none !important;
  }
}