/* ==========================================================================
   RAINDROPS — Visual Refinement Stylesheet
   Theme: Photoreal Liquid Chrome & Crystalline Water Cinema
   ========================================================================== */

:root {
  --bg-color: #030508;
  --text-primary: #f2f7fa;
  --text-muted: rgba(215, 230, 240, 0.70);
  --text-dim: rgba(215, 230, 240, 0.38);
  --cyan-accent: #38d9f5;
  --cyan-glow: rgba(56, 217, 245, 0.0); /* Bloom / Glow explicitly OFF */
  --ice-blue: #9ae6f4;
  --violet-hint: #9d4edd;
  --font-serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --easing-cine: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
  width: 100%;
  height: auto;
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-serif);
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  touch-action: pan-y; /* Disables double-tap to zoom while preserving smooth vertical scroll */
}

body::-webkit-scrollbar {
  display: none;
}

/* --------------------------------------------------------------------------
   Canvas & Optical Background Layers
   -------------------------------------------------------------------------- */
#webgl-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2;
  pointer-events: none;
  display: block;
  opacity: 0;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

#webgl-canvas.ready {
  opacity: 1;
}

#rain-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 3;
  pointer-events: none;
  display: block;
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

#rain-canvas.ready {
  opacity: 1;
}

.vignette-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(3, 8, 15, 0.0) 30%, rgba(1, 3, 6, 0.90) 100%);
}

.film-grain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 3;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* --------------------------------------------------------------------------
   Loader Screen
   -------------------------------------------------------------------------- */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #020306;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 1.2s var(--easing-cine), visibility 1.2s;
}

#loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: none !important;
}

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

.loader-symbol {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  letter-spacing: 0.45em;
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: 2rem;
  text-shadow: none; /* Bloom / Glow OFF */
}

.loader-bar-wrap {
  width: 200px;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 auto 1.2rem;
  overflow: hidden;
}

.loader-progress {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #38d9f5, #9ae6f4);
  box-shadow: 0 0 10px var(--cyan-accent);
  transition: width 0.3s ease;
}

.loader-status {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Persistent Header UI (Strict Single Line Non-Overlapping Layout)
   -------------------------------------------------------------------------- */
.cinematic-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  padding: 2.2rem 3.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 50;
  pointer-events: none;
}

.header-left {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}

.brand-tag {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.35em;
  font-weight: 400;
  color: #ffffff;
  text-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.header-divider {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.25);
}

.event-meta {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  color: var(--text-muted);
}

.header-right {
  pointer-events: auto;
}

.sound-control {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
}

.sound-label {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  color: var(--text-dim);
}

.sound-bars {
  display: inline-flex;
  gap: 3px;
  align-items: flex-end;
  height: 12px;
}

.sound-bars .bar {
  width: 2px;
  height: 4px;
  background: var(--text-muted);
  transition: height 0.3s ease;
}

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  bottom: 2.5rem;
  left: 3.5rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  z-index: 50;
  pointer-events: none;
}

.scroll-track {
  width: 32px;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
}

.scroll-thumb {
  position: absolute;
  left: 0;
  top: -1px;
  width: 8px;
  height: 3px;
  background: var(--cyan-accent);
  box-shadow: 0 0 8px var(--cyan-accent);
}

.scroll-text {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   650vh Scroll Timeline Wrapper & Fixed Scene Layers
   -------------------------------------------------------------------------- */
#scroll-wrapper {
  overflow-x: hidden;
  width: 100%;
  position: relative;
  width: 100%;
  height: 950vh; /* Extended timeline for Hero + 7-Sentence Concept + Editorial Artists Showcase */
  z-index: 10;
  touch-action: pan-y; /* Preserves native vertical page scrolling */
}

.scene-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  z-index: 15;
}

.scene-content {
  width: 100%;
  pointer-events: auto;
}

/* Mask Boxes for Clean Revealing */
.mask-box {
  overflow: hidden;
  display: block;
  margin-bottom: 1.2rem;
}

.scene-sub-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.42em;
  color: var(--cyan-accent);
  opacity: 0;
  transform: translateY(100%);
}

/* --------------------------------------------------------------------------
   SCENE 01: Main Title & Subtitle Mask Sequence
   -------------------------------------------------------------------------- */
.center-focus {
  text-align: center;
  max-width: 950px;
  margin: 0 auto;
  padding-top: 3rem; /* Breathing room from header */
}

.title-mask-wrap {
  position: relative;
  overflow: hidden;
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: radial-gradient(ellipse 70% 60% at center, rgba(3, 5, 8, 0.70) 0%, rgba(3, 5, 8, 0.30) 60%, transparent 88%);
  border-radius: 8px;
}

.cinematic-title {
  font-family: var(--font-serif);
  font-size: clamp(3.8rem, 8.5vw, 7.8rem);
  font-weight: 300;
  letter-spacing: 0.28em;
  line-height: 1.05;
  color: #ffffff;
  position: relative;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.95), 0 2px 10px rgba(0, 0, 0, 0.85);
}

.title-inner {
  display: inline-block;
  opacity: 0;
  transform: translateY(115%);
  will-change: transform, opacity, letter-spacing;
}

.title-shimmer {
  position: absolute;
  top: 0;
  left: -100%;
  width: 35%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(56, 217, 245, 0.7) 45%, rgba(255, 255, 255, 0.95) 50%, rgba(56, 217, 245, 0.7) 55%, transparent 100%);
  filter: blur(2px);
  pointer-events: none;
  mix-blend-mode: screen;
  transform: skewX(-20deg);
}

.subtitle-mask-wrap {
  overflow: hidden;
  display: inline-block;
  margin-top: 1.6rem;
}

.cinematic-lead {
  font-family: var(--font-sans);
  font-size: clamp(0.72rem, 1.2vw, 0.95rem);
  font-weight: 300;
  letter-spacing: 0.38em;
  color: var(--text-muted);
  opacity: 0;
  clip-path: polygon(0 0, 0% 0, 0% 100%, 0 100%);
  will-change: clip-path, opacity;
}

/* --------------------------------------------------------------------------
   SCENE 02: Cinematic Concept Section
   -------------------------------------------------------------------------- */
.concept-mode {
  text-align: left;
  max-width: 1260px;
  width: 92vw;
  margin: 0 auto;
  position: relative;
  min-height: 380px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
}

.concept-passage-wrap {
  position: relative;
  width: 48vw;
  max-width: 580px;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background: radial-gradient(ellipse 95% 75% at 30% 50%, rgba(3, 5, 8, 0.85) 0%, rgba(3, 5, 8, 0.42) 65%, transparent 95%);
  border-radius: 12px;
  padding: 2.6rem 2.2rem;
  margin-left: 2vw;
}

.concept-item {
  position: absolute;
  top: 50%;
  left: 0;
  right: auto;
  margin: 0;
  transform: translateY(-50%);
  width: 100%;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  filter: blur(12px);
  pointer-events: none;
  padding: 0 0.8rem;
  will-change: transform, opacity, filter;
}

.concept-en-lead {
  font-family: var(--font-serif);
  font-size: clamp(3.4rem, 6.5vw, 5.6rem);
  font-weight: 300;
  letter-spacing: 0.32em;
  color: #ffffff;
  text-transform: lowercase;
  text-align: left;
  text-shadow: 0 4px 35px rgba(0, 0, 0, 0.98), 0 2px 10px rgba(0, 0, 0, 0.92);
}

.concept-text {
  font-family: 'Cormorant Garamond', 'Yu Mincho', 'Hiragino Mincho ProN', 'Noto Serif JP', serif;
  font-size: clamp(1.2rem, 1.85vw, 1.95rem);
  font-weight: 300;
  letter-spacing: 0.16em;
  line-height: 2.25;
  color: #ffffff;
  text-align: left;
  text-shadow: 0 4px 28px rgba(0, 0, 0, 0.98), 0 2px 8px rgba(0, 0, 0, 0.92);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.concept-text .concept-br {
  display: inline;
}

.concept-item.concept-highlight .highlight-lead {
  font-size: clamp(1.3rem, 2.1vw, 2.15rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  line-height: 2.25;
  color: #ffffff;
  text-align: left;
  background: linear-gradient(135deg, #ffffff 40%, var(--ice-blue) 75%, var(--cyan-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

.concept-accent-line {
  width: 0px;
  height: 1px;
  margin: 1.6rem auto 0 auto;
  background: linear-gradient(90deg, transparent, var(--cyan-accent), var(--ice-blue), transparent);
  opacity: 0;
  transition: opacity 0.5s ease;
}

@media (max-width: 768px) {
  .concept-mode {
    min-height: 280px;
    padding: 0 1rem;
  }
  .concept-passage-wrap {
    min-height: 220px;
  }
  .concept-text {
    font-size: clamp(1.05rem, 4.4vw, 1.35rem);
    line-height: 1.95;
    letter-spacing: 0.12em;
  }
  .concept-item.concept-highlight .highlight-lead {
    font-size: clamp(1.15rem, 4.8vw, 1.5rem);
    letter-spacing: 0.14em;
  }
  .concept-en-lead {
    font-size: clamp(2.6rem, 10vw, 3.8rem);
    letter-spacing: 0.24em;
  }
}

/* --------------------------------------------------------------------------
   SCENE 03: Cinematic Artists Section (Editorial Showcase)
   -------------------------------------------------------------------------- */
.artists-mode {
  position: relative;
  width: 90vw;
  max-width: 1200px;
  height: 85vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* 1. Artists Section Header */
.artists-header-wrap {
  text-align: center;
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  margin: 0 auto;
  transform: translateY(-50%);
  width: 100%;
  opacity: 0;
  visibility: hidden;
  filter: blur(12px);
  will-change: transform, opacity, filter;
  pointer-events: none;
  z-index: 5;
}

.artists-sub-label {
  display: block;
  font-family: var(--font-sans);
  font-size: clamp(0.72rem, 1.1vw, 0.9rem);
  letter-spacing: 0.48em;
  color: var(--cyan-accent);
  margin-bottom: 0.9rem;
  opacity: 0;
  transform: translateY(15px);
  will-change: transform, opacity;
}

.artists-main-title {
  font-family: var(--font-serif);
  font-size: clamp(3.4rem, 7.5vw, 6.4rem);
  font-weight: 300;
  letter-spacing: 0.35em;
  color: #ffffff;
  line-height: 1.05;
  text-shadow: 0 0 35px rgba(0, 0, 0, 0.9);
}

.artists-header-line {
  width: 0px;
  height: 1px;
  margin: 1.8rem auto 0 auto;
  background: linear-gradient(90deg, transparent, rgba(154, 230, 244, 0.6), transparent);
  opacity: 0;
}

/* 2. Artists Stage Showcase Wrapper (Fixed-center Stacked Editorial) */
.artists-stage-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.artist-stage-item {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  margin: 0 auto;
  transform: translateY(-50%);
  width: 100%;
  max-width: 1100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4vw;
  opacity: 0;
  visibility: hidden;
  filter: blur(12px);
  will-change: transform, opacity, filter;
  pointer-events: none;
}

.artist-stage-item.is-active {
  pointer-events: auto;
}

/* Visual Column */
.artist-visual-column {
  flex: 0 0 42%;
  max-width: 440px;
}

.artist-visual-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  background: #04070a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.85);
  transition: border-color 0.6s var(--easing-cine), box-shadow 0.6s var(--easing-cine);
}

.artist-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform 0.8s var(--easing-cine);
}

.artist-stage-item:hover .artist-photo {
  transform: scale(1.04);
}

/* Abstract placeholder visual (No AI/fake human photos) */
.artist-placeholder-visual {
  position: relative;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 35% 30%, #101a24 0%, #070d14 45%, #020305 100%);
  overflow: hidden;
}

.abstract-caustic-layer {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 70% 20%, rgba(56, 217, 245, 0.14) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(154, 230, 244, 0.10) 0%, transparent 55%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 40%, rgba(56, 217, 245, 0.08) 100%);
  transition: transform 0.8s var(--easing-cine), opacity 0.6s ease;
}

.abstract-caustic-layer.caustic-cool {
  background: 
    radial-gradient(ellipse at 30% 25%, rgba(154, 230, 244, 0.16) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 75%, rgba(110, 80, 220, 0.12) 0%, transparent 60%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.06) 0%, transparent 50%, rgba(56, 217, 245, 0.06) 100%);
}

.abstract-light-streak {
  position: absolute;
  top: -20%;
  left: 25%;
  width: 60%;
  height: 140%;
  background: linear-gradient(125deg, transparent 35%, rgba(255, 255, 255, 0.08) 48%, rgba(154, 230, 244, 0.15) 50%, transparent 58%);
  transform: rotate(-15deg);
  pointer-events: none;
  opacity: 0.7;
}

.abstract-light-streak.streak-vertical {
  left: 35%;
  transform: rotate(20deg);
}

.abstract-editorial-tag {
  position: absolute;
  bottom: 1.4rem;
  left: 1.4rem;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.abstract-sound-bar {
  position: absolute;
  top: 1.4rem;
  right: 1.4rem;
  display: flex;
  gap: 3px;
  align-items: flex-end;
  height: 14px;
}

.abstract-sound-bar span {
  width: 2px;
  background: var(--cyan-accent);
  border-radius: 1px;
  opacity: 0.6;
}
.abstract-sound-bar span:nth-child(1) { height: 6px; }
.abstract-sound-bar span:nth-child(2) { height: 12px; }
.abstract-sound-bar span:nth-child(3) { height: 8px; }

.visual-editorial-corner {
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: rgba(154, 230, 244, 0.4);
  pointer-events: none;
}
.visual-editorial-corner.top-left {
  top: 6px;
  left: 6px;
  border-top: 1px solid;
  border-left: 1px solid;
}
.visual-editorial-corner.bottom-right {
  bottom: 6px;
  right: 6px;
  border-bottom: 1px solid;
  border-right: 1px solid;
}

/* Text Column */
.artist-text-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: radial-gradient(ellipse at center, rgba(3, 5, 8, 0.70) 0%, rgba(3, 5, 8, 0.30) 65%, transparent 90%);
  padding: 1.6rem 2rem;
  border-radius: 8px;
}

.layout-visual-left .artist-text-column {
  text-align: left;
  padding-left: 2rem;
}

.layout-visual-right .artist-text-column {
  text-align: right;
  padding-right: 2rem;
}

.artist-meta-badge {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.42em;
  color: var(--cyan-accent);
  margin-bottom: 1.2rem;
}

.artist-big-name {
  font-family: var(--font-serif);
  font-size: clamp(3.8rem, 8vw, 7.2rem);
  font-weight: 300;
  letter-spacing: 0.16em;
  line-height: 0.95;
  color: #ffffff;
  margin-bottom: 1.4rem;
  text-transform: uppercase;
  text-shadow: 0 4px 35px rgba(0, 0, 0, 0.95), 0 2px 10px rgba(0, 0, 0, 0.85);
  transition: color 0.5s ease, text-shadow 0.5s ease;
}

#artist-name-ash {
  text-transform: none !important;
}

#artist-name-mn4 {
  text-transform: lowercase !important;
}

.artist-genre-lead {
  font-family: var(--font-sans);
  font-size: clamp(0.72rem, 1.1vw, 0.88rem);
  letter-spacing: 0.32em;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.artist-bio-brief {
  font-family: 'Cormorant Garamond', 'Yu Mincho', 'Hiragino Mincho ProN', 'Noto Serif JP', serif;
  font-size: clamp(0.85rem, 1.2vw, 1.05rem);
  letter-spacing: 0.08em;
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 480px;
}

.layout-visual-right .artist-bio-brief {
  margin-left: auto;
}

/* 3. AND MORE... Teaser Block */
.artists-and-more-wrap {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  margin: 0 auto;
  transform: translateY(-50%);
  text-align: center;
  width: 90%;
  max-width: 650px;
  opacity: 0;
  visibility: hidden;
  filter: blur(12px);
  will-change: transform, opacity, filter;
  pointer-events: none;
}

.and-more-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.and-more-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-accent);
  box-shadow: 0 0 10px var(--cyan-accent);
  margin-bottom: 1.6rem;
  opacity: 0.8;
}

.and-more-text {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 300;
  letter-spacing: 0.38em;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 0.9rem;
  text-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
}

.and-more-sub {
  font-family: var(--font-sans);
  font-size: clamp(0.62rem, 0.9vw, 0.78rem);
  letter-spacing: 0.38em;
  color: var(--text-dim);
}

.and-more-line {
  width: 0px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 217, 245, 0.6), transparent);
  margin-top: 1.8rem;
  opacity: 0;
}

/* Desktop Hover Interactions */
@media (hover: hover) and (pointer: fine) {
  .artist-stage-item:hover .artist-visual-frame {
    border-color: rgba(154, 230, 244, 0.5);
    box-shadow: 0 15px 45px -10px rgba(56, 217, 245, 0.22);
  }
  .artist-stage-item:hover .abstract-caustic-layer {
    transform: scale(1.05);
    opacity: 0.95;
  }
  .artist-stage-item:hover .artist-big-name {
    color: #ffffff;
    text-shadow: 0 0 35px rgba(154, 230, 244, 0.35);
  }
}

/* Mobile & Tablet Responsiveness */
@media (max-width: 768px) {
  .artists-mode {
    height: 100%;
    width: 100%;
    padding: 0 1rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 4vh;
  }
  .artists-header-wrap {
    width: 100%;
    padding: 0 1rem;
    box-sizing: border-box;
  }
  .artists-main-title {
    font-size: clamp(2.2rem, 8.5vw, 3.8rem);
    letter-spacing: 0.20em;
  }
  .artists-sub-label {
    font-size: clamp(0.65rem, 2.2vw, 0.78rem);
    letter-spacing: 0.32em;
  }
  .artists-stage-wrap {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
  }
  .artist-stage-item {
    position: absolute;
    top: auto;
    bottom: 2vh;
    transform: none;
    flex-direction: column;
    gap: 0.5rem;
    width: 92vw;
    max-width: 380px;
    padding: 0 0.5rem;
    box-sizing: border-box;
    margin: 0 auto;
  }
  .layout-visual-right {
    flex-direction: column;
  }
  .artist-visual-column {
    flex: 0 0 auto;
    width: clamp(120px, 32vw, 160px);
    max-width: 160px;
    margin: 0 auto;
  }
  .artist-visual-frame {
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.9);
  }
  .artist-text-column,
  .layout-visual-left .artist-text-column,
  .layout-visual-right .artist-text-column {
    text-align: center;
    padding: 0.5rem 0.6rem;
    width: 100%;
    box-sizing: border-box;
    background: radial-gradient(ellipse at center, rgba(3, 5, 8, 0.85) 0%, rgba(3, 5, 8, 0.50) 70%, transparent 100%);
  }
  .artist-meta-badge {
    font-size: clamp(0.55rem, 2.0vw, 0.65rem);
    letter-spacing: 0.28em;
    margin-bottom: 0.3rem;
  }
  .artist-big-name {
    font-size: clamp(2.2rem, 9.5vw, 3.4rem);
    letter-spacing: 0.10em;
    line-height: 1.0;
    margin-bottom: 0.4rem;
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: nowrap;
    text-align: center;
  }
  .artist-genre-lead {
    font-size: clamp(0.62rem, 2.2vw, 0.75rem);
    letter-spacing: 0.16em;
    margin-bottom: 0.4rem;
  }
  .artist-bio-brief {
    font-size: clamp(0.75rem, 2.8vw, 0.88rem);
    line-height: 1.55;
    letter-spacing: 0.06em;
    max-width: 310px;
    margin: 0 auto;
    padding: 0 0.4rem;
  }
  .artists-and-more-wrap {
    width: 90vw;
    max-width: 360px;
    padding: 0 1rem;
    box-sizing: border-box;
  }
  .and-more-text {
    font-size: clamp(1.6rem, 6.5vw, 2.4rem);
    letter-spacing: 0.18em;
    white-space: nowrap;
    text-align: center;
  }
  .and-more-sub {
    font-size: clamp(0.55rem, 2.0vw, 0.68rem);
    letter-spacing: 0.18em;
    padding: 0 0.5rem;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   SCENE 04: INFORMATION (Cinematic Specification & Access Layout)
   -------------------------------------------------------------------------- */
.info-mode {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: clamp(2rem, 3.5vw, 3.5rem);
  width: 90vw;
  max-width: 1200px;
  max-height: 85vh;
  margin: 0 auto;
  position: relative;
  z-index: 5;
}

/* Left Column: Editorial Lead & Meta */
.info-lead-column {
  flex: 1 1 42%;
  max-width: 460px;
  text-align: left;
}

.info-main-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  letter-spacing: 0.14em;
  color: #ffffff;
  font-weight: 300;
  line-height: 1.15;
  margin: 0.3rem 0 0.8rem 0;
  text-shadow: 0 0 40px rgba(0, 0, 0, 0.9);
  white-space: nowrap;
}

.info-accent-line {
  width: 0px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-accent) 0%, rgba(255, 255, 255, 0.8) 60%, transparent 100%);
  box-shadow: 0 0 10px rgba(100, 210, 255, 0.6);
  margin-bottom: 1.8rem;
  opacity: 0;
  will-change: width, opacity;
}

.info-lead-desc {
  font-family: 'Cormorant Garamond', 'Yu Mincho', 'Hiragino Mincho ProN', 'Noto Serif JP', serif;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 2.0;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-weight: 300;
}

.info-meta-block {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 2.2rem;
}

.info-coord-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--cyan-accent);
  padding: 0.4rem 0.9rem;
  background: rgba(100, 210, 255, 0.05);
  border: 1px solid rgba(100, 210, 255, 0.22);
  border-radius: 2px;
  width: fit-content;
  backdrop-filter: blur(8px);
}

.coord-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan-accent);
  box-shadow: 0 0 8px var(--cyan-accent);
  animation: coordPulse 2.4s ease-in-out infinite;
}

@keyframes coordPulse {
  0%, 100% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.3); box-shadow: 0 0 12px var(--cyan-accent); }
}

.info-genre-badge {
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  color: var(--text-muted);
}

.info-action-wrap {
  margin-top: 0.5rem;
}

.info-ticket-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  padding: 0.9rem 1.8rem;
  background: rgba(3, 8, 16, 0.65);
  border: 1px solid rgba(100, 210, 255, 0.35);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  cursor: default;
  transition: border-color 0.4s var(--easing-cine), box-shadow 0.4s var(--easing-cine);
}

.info-ticket-btn .btn-text {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: #ffffff;
  font-weight: 500;
}

.info-ticket-btn .btn-status {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--cyan-accent);
  padding: 0.2rem 0.5rem;
  background: rgba(100, 210, 255, 0.12);
  border: 1px solid rgba(100, 210, 255, 0.25);
  border-radius: 2px;
}

/* Right Column: Glassmorphic Specification Panel */
.info-panel-column {
  flex: 1 1 54%;
  max-width: 620px;
  position: relative;
}

.info-glass-panel {
  position: relative;
  background: rgba(4, 9, 18, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(100, 210, 255, 0.16);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.75), inset 0 0 30px rgba(100, 210, 255, 0.02);
  padding: 2.2rem 2.6rem;
  border-radius: 2px;
}

.info-panel-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-header-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan-accent);
  box-shadow: 0 0 6px var(--cyan-accent);
}

.panel-header-title {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  color: var(--text-dim);
}

.info-grid {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.75rem;
  position: relative;
  transition: border-color 0.3s ease;
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-label-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  flex-shrink: 0;
}

.info-idx {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: rgba(100, 210, 255, 0.45);
  transition: color 0.3s ease;
}

.info-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  color: var(--text-muted);
}

.info-val-wrap {
  text-align: right;
}

.info-val {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  letter-spacing: 0.2em;
  color: #edf5fa;
  font-weight: 300;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.highlight-val {
  color: #ffffff;
  font-weight: 400;
}

.info-val-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.64rem;
  letter-spacing: 0.24em;
  color: var(--cyan-accent);
  margin-top: 0.2rem;
}

.policy-val {
  color: var(--text-muted);
  font-size: 0.76rem;
}

@media (hover: hover) and (pointer: fine) {
  .info-row:hover {
    border-bottom-color: rgba(100, 210, 255, 0.35);
  }
  .info-row:hover .info-val {
    color: var(--cyan-accent);
    text-shadow: 0 0 12px rgba(100, 210, 255, 0.5);
  }
  .info-row:hover .info-idx {
    color: var(--cyan-accent);
  }
  .info-ticket-btn:hover {
    border-color: rgba(100, 210, 255, 0.7);
    box-shadow: 0 0 20px rgba(100, 210, 255, 0.3);
  }
}

/* --------------------------------------------------------------------------
   SCENE 05: ENDING
   -------------------------------------------------------------------------- */
.cinematic-title.small {
  font-size: clamp(2.6rem, 5.5vw, 4.8rem);
  letter-spacing: 0.42em;
}

.social-links {
  margin-top: 2.8rem;
}

.cinematic-btn {
  display: inline-block;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  color: #ffffff;
  position: relative;
  padding: 1rem 2.2rem;
  border: 1px solid rgba(56, 217, 245, 0.35);
  background: rgba(3, 8, 16, 0.4);
  backdrop-filter: blur(8px);
  transition: all 0.4s ease;
  overflow: hidden;
}

.cinematic-btn:hover {
  border-color: var(--cyan-accent);
  box-shadow: 0 0 20px var(--cyan-glow);
  color: var(--cyan-accent);
}

.btn-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, var(--cyan-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.cinematic-btn:hover .btn-glow {
  opacity: 1;
}

.copyright {
  margin-top: 3.5rem;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .cinematic-header {
    padding: 1.5rem 1.8rem;
  }
  .header-left {
    flex-direction: column;
    gap: 0.2rem;
  }
  .header-divider {
    display: none;
  }
  .scroll-indicator {
    left: 1.8rem;
    bottom: 1.5rem;
  }
  /* SCENE 04 Mobile Refinement */
  .info-mode {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.9rem;
    height: auto;
    max-height: 90vh;
    padding: 0.8rem 1.0rem;
    max-width: 420px;
    box-sizing: border-box;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .info-mode::-webkit-scrollbar {
    display: none;
  }
  .info-lead-column {
    flex: 0 0 auto;
    max-width: 100%;
    text-align: center;
  }
  .info-main-title {
    font-size: clamp(1.35rem, 5.2vw, 1.8rem);
    letter-spacing: 0.10em;
    margin: 0.1rem 0 0.4rem 0;
    white-space: nowrap;
  }
  .info-accent-line {
    margin: 0 auto 0.75rem auto;
  }
  .info-lead-desc {
    font-size: 0.80rem;
    margin-bottom: 0.7rem;
    line-height: 1.5;
    letter-spacing: 0.05em;
  }
  .info-meta-block {
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.8rem;
  }
  .info-coord-badge {
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    padding: 0.25rem 0.6rem;
  }
  .info-genre-badge {
    font-size: 0.54rem;
    letter-spacing: 0.10em;
    line-height: 1.35;
    text-align: center;
  }
  .info-action-wrap {
    display: none; /* Keep mobile clean and uncluttered */
  }
  .info-panel-column {
    flex: 0 0 auto;
    max-width: 100%;
    width: 100%;
  }
  .info-glass-panel {
    padding: 0.95rem 1.1rem;
  }
  .info-panel-header {
    margin-bottom: 0.75rem;
    padding-bottom: 0.45rem;
  }
  .panel-header-title {
    font-size: 0.56rem;
    letter-spacing: 0.20em;
  }
  .info-grid {
    padding: 0;
    gap: 0.55rem;
  }
  .info-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
    padding-bottom: 0.35rem;
  }
  .info-label {
    font-size: 0.58rem;
    letter-spacing: 0.16em;
  }
  .info-val-wrap {
    text-align: right;
  }
  .info-val {
    font-size: 0.72rem;
    letter-spacing: 0.10em;
  }
  .info-val-sub {
    font-size: 0.54rem;
    letter-spacing: 0.10em;
  }
  .policy-val {
    font-size: 0.62rem;
    letter-spacing: 0.06em;
  }
}

/* ==========================================================================
   CINEMATIC 12-SECOND OPENING SEQUENCE
   ========================================================================== */
body.opening-active {
  overflow: hidden !important;
  height: 100vh !important;
  touch-action: none;
}

body.opening-active .cinematic-header,
body.opening-active #scroll-indicator {
  opacity: 0 !important;
  pointer-events: none !important;
  transition: opacity 1.0s var(--easing-cine);
}

#cinematic-opening {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 50;
  pointer-events: none;
  opacity: 1;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

#cinematic-opening.opening-finished {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Light Sweep (Cut 02: Refraction) - Subtle Organic White/Ice Refraction Line */
.opening-light-sweep {
  position: absolute;
  top: 50%;
  left: -40%;
  width: 180%;
  height: 1.5px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(215, 240, 248, 0.25) 35%, 
    rgba(255, 255, 255, 0.90) 50%, 
    rgba(215, 240, 248, 0.25) 65%, 
    transparent 100%
  );
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.30);
  transform: translateY(-50%) rotate(-12deg);
  opacity: 0;
  filter: blur(0.5px);
  mix-blend-mode: screen;
  will-change: transform, opacity;
  pointer-events: none;
}

/* Soft Radial Refraction Flash */
.opening-refraction-flash {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.15) 0%, rgba(56, 217, 245, 0.08) 25%, transparent 65%);
  opacity: 0;
  mix-blend-mode: screen;
  pointer-events: none;
  will-change: opacity;
}

/* Water Droplet Ripple Ring (Replaced by 3D WebGL Fluid Water Surface Ripple System) */
.opening-ripple {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* HUD Timecode & Phase Indicator */
.opening-hud {
  position: absolute;
  bottom: 2.8rem;
  left: 3.2rem;
  display: flex;
  align-items: center;
  gap: 1.8rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--text-dim);
  z-index: 52;
}

.hud-phase-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hud-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-accent);
  box-shadow: 0 0 8px var(--cyan-accent);
  animation: pulse-dot 1.8s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.35; transform: scale(0.9); }
  50% { opacity: 1.0; transform: scale(1.25); }
}

.hud-timecode {
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}

/* Skip Intro Button */
.skip-intro-btn {
  position: absolute;
  bottom: 2.5rem;
  right: 3.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(3, 5, 8, 0.6);
  border: 1px solid rgba(215, 230, 240, 0.22);
  border-radius: 999px;
  padding: 0.65rem 1.4rem;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  color: var(--text-muted);
  cursor: pointer;
  pointer-events: auto !important;
  z-index: 55;
  transition: all 0.4s var(--easing-cine);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.skip-intro-btn:hover {
  color: #ffffff;
  border-color: rgba(56, 217, 245, 0.75);
  background: rgba(56, 217, 245, 0.12);
  box-shadow: 0 0 24px rgba(56, 217, 245, 0.3);
  transform: translateY(-1px);
}

.skip-track {
  display: inline-block;
  width: 32px;
  height: 2px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 1px;
  overflow: hidden;
  position: relative;
}

.skip-progress {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--cyan-accent);
  transition: width 0.08s linear;
}

@media (max-width: 768px) {
  .opening-hud {
    bottom: 1.6rem;
    left: 1.4rem;
    font-size: 0.62rem;
    gap: 1.0rem;
  }
  .skip-intro-btn {
    bottom: 1.4rem;
    right: 1.4rem;
    padding: 0.5rem 1.0rem;
    font-size: 0.62rem;
  }
}

/* WebGL Failure Static Fallback */
.webgl-fallback {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #030508;
  color: #eff3f7;
  text-align: center;
  padding: 2rem;
}

.fallback-symbol {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  letter-spacing: 0.45em;
  margin-bottom: 1.2rem;
  color: #ffffff;
}

.fallback-text {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--text-muted);
}

/* Accessibility: prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .concept-item {
    filter: none !important;
    transition: opacity 0.3s ease !important;
  }
  .concept-accent-line {
    transition: none !important;
  }
}

/* Mobile Responsive 3D Canvas & Typography Bounds Safety */
@media (max-width: 768px) {
  #webgl-canvas {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
  }
  .cinematic-title {
    font-size: clamp(1.8rem, 7.2vw, 2.8rem);
    letter-spacing: 0.12em;
    white-space: nowrap;
    text-align: center;
  }
  .cinematic-lead {
    font-size: clamp(0.60rem, 2.2vw, 0.78rem);
    letter-spacing: 0.14em;
    padding: 0 1rem;
    text-align: center;
    line-height: 1.6;
  }
  .concept-mode {
    width: 100%;
    height: 100%;
    padding: 0 1.2rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding-bottom: 7vh;
  }
  .concept-passage-wrap {
    width: 100%;
    max-width: 440px;
    min-height: 210px;
    margin: 0 auto;
    box-sizing: border-box;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse 90% 75% at center, rgba(3, 5, 8, 0.90) 0%, rgba(3, 5, 8, 0.52) 75%, transparent 100%);
    border-radius: 12px;
    padding: 1.6rem 1.0rem;
  }
  .concept-item {
    top: 50%;
    left: 0;
    right: 0;
    text-align: center;
    transform: translateY(-50%);
    width: 100%;
    padding: 0 0.5rem;
  }
  .concept-en-lead {
    text-align: center;
    font-size: clamp(2.4rem, 8.5vw, 3.4rem);
    letter-spacing: 0.22em;
  }
  .concept-text {
    text-align: center;
    font-size: clamp(0.96rem, 3.8vw, 1.16rem);
    line-height: 2.05;
    letter-spacing: 0.08em;
    padding: 0 0.4rem;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .concept-item.concept-highlight .highlight-lead {
    text-align: center;
    font-size: clamp(1.02rem, 4.0vw, 1.22rem);
    letter-spacing: 0.09em;
    line-height: 2.05;
  }
  .concept-accent-line {
    margin: 1.2rem auto 0 auto;
    background: linear-gradient(90deg, transparent, rgba(56, 217, 245, 0.8), transparent);
  }
  .info-mode {
    width: 100%;
    padding: 0.6rem 0.8rem;
    box-sizing: border-box;
    overflow-y: auto;
  }
  .cinematic-title.small {
    font-size: clamp(1.8rem, 7.0vw, 2.6rem);
    letter-spacing: 0.16em;
  }
  .cinematic-btn {
    font-size: clamp(0.60rem, 2.2vw, 0.70rem);
    letter-spacing: 0.18em;
    padding: 0.8rem 1.4rem;
    max-width: 90vw;
    box-sizing: border-box;
  }
  .copyright {
    font-size: 0.55rem;
    letter-spacing: 0.12em;
    padding: 0 1rem;
  }
}


/* Ensure consistent lowercase brand identity */
.brand-tag,
#title-text,
#end-title,
.loader-symbol,
.fallback-symbol {
  text-transform: lowercase !important;
}