/* ==========================================================================
   Crazy Ducks | Hybrid Brass Rock - Street Retro Pop Design
   Color Palette:
   - Text Yellow: #ffeb00
   - Deep Blue: #0033b5
   - Accent Cyan: #009dc0
   - Dark Navy: #000a51
   Font: WDXL Lubrifont JP N (統一)
   ========================================================================== */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors - Street Retro Pop Theme */
  --color-bg: #000a51;
  --color-bg-elevated: #001066;
  --color-card: #00157a;
  --color-card-hover: #001a8f;
  --color-border: #0033b5;
  --color-border-light: #0044cc;
  
  --color-text: #ffeb00;
  --color-text-muted: #cccccc;
  --color-text-dim: #8888aa;
  
  --color-deep-blue: #0033b5;
  --color-deep-blue-light: #0044cc;
  --color-deep-blue-glow: rgba(0, 51, 181, 0.4);
  
  --color-accent-cyan: #009dc0;
  --color-accent-cyan-light: #00b8e0;
  --color-accent-cyan-glow: rgba(0, 157, 192, 0.4);
  
  --color-yellow: #ffeb00;
  --color-yellow-light: #fff233;
  --color-yellow-glow: rgba(255, 235, 0, 0.4);
  
  --color-accent: var(--color-accent-cyan);
  --color-accent-glow: var(--color-accent-cyan-glow);
  
  /* Typography - WDXL Lubrifont JP N 統一 */
  --font-main: 'WDXL Lubrifont JP N', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --fs-xs: 0.7rem;
  --fs-sm: 0.8rem;
  --fs-base: 1rem;
  --fs-md: 1.1rem;
  --fs-lg: 1.3rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.5rem;
  --fs-3xl: 3.5rem;
  --fs-4xl: 4.5rem;
  --fs-5xl: 6.5rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  
  /* Layout - PC用に大きめ */
  --container-max: 960px;
  --container-padding: 2rem;
  --header-height: 0;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 40px var(--color-accent-glow);
  --shadow-yellow: 0 0 40px var(--color-yellow-glow);
  --shadow-blue: 0 0 40px var(--color-deep-blue-glow);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-spring: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Z-index */
  --z-bg: -1;
  --z-base: 1;
  --z-content: 10;
  --z-header: 100;
  --z-modal: 1000;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-main);
  font-size: var(--fs-base);
  line-height: 1.9;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  font-weight: 400;
}

/* Halftone/Dot Pattern Overlay for Retro Feel */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  opacity: 0.04;
  background-image: 
    radial-gradient(circle at 1px 1px, var(--color-yellow) 1px, transparent 0);
  background-size: 8px 8px;
  animation: halftoneShift 20s linear infinite;
}

@keyframes halftoneShift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(64px, 64px); }
}

/* Scanlines for CRT/Retro Effect */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  opacity: 0.03;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.1) 2px,
    rgba(0, 0, 0, 0.1) 4px
  );
  animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
  0% { background-position: 0 0; }
  100% { background-position: 0 64px; }
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-yellow);
  color: var(--color-bg);
  font-weight: 700;
  border-radius: var(--radius-md);
  z-index: var(--z-modal);
  transition: top var(--transition-fast);
  font-family: var(--font-mono);
}

.skip-link:focus {
  top: var(--space-md);
}

/* Selection */
::selection {
  background: var(--color-yellow);
  color: var(--color-bg);
}

/* Focus Visible */
:focus-visible {
  outline: 3px solid var(--color-yellow);
  outline-offset: 3px;
}

/* ==========================================================================
   Layout Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Section Base */
.section {
  position: relative;
  z-index: var(--z-content);
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.section-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-3xl);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-yellow);
  text-shadow: 
    3px 3px 0 var(--color-deep-blue),
    6px 6px 0 var(--color-accent-cyan);
}

.section-title-en {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  opacity: 0.9;
  text-shadow: 1px 1px 0 var(--color-bg);
}

.section-title-ja {
  font-family: var(--font-main);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text);
  text-shadow: 2px 2px 0 var(--color-deep-blue);
}

.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.divider-line {
  flex: 1;
  max-width: 140px;
  height: 4px;
  background: linear-gradient(90deg, 
    transparent, 
    var(--color-yellow) 20%, 
    var(--color-accent-cyan) 50%, 
    var(--color-yellow) 80%, 
    transparent
  );
  border-radius: 2px;
}

.divider-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-yellow);
  box-shadow: 
    0 0 20px var(--color-yellow-glow),
    0 0 40px var(--color-accent-cyan-glow);
  flex-shrink: 0;
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); box-shadow: 0 0 20px var(--color-yellow-glow), 0 0 40px var(--color-accent-cyan-glow); }
  50% { transform: scale(1.2); box-shadow: 0 0 30px var(--color-yellow-glow), 0 0 60px var(--color-accent-cyan-glow); }
}

/* ==========================================================================
   HERO SECTION - ロゴのみ
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) var(--container-padding);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: var(--z-content);
  text-align: center;
  max-width: 720px;
  width: 100%;
  animation: heroReveal 1s var(--transition-spring) forwards;
  opacity: 0;
  transform: translateY(40px);
}

@keyframes heroReveal {
  to { opacity: 1; transform: translateY(0); }
}

.hero-logo {
  margin-bottom: var(--space-xl);
  animation: logoFloat 5s ease-in-out infinite;
  filter: drop-shadow(0 12px 32px rgba(0, 157, 192, 0.35));
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-16px) rotate(1deg); }
}

.logo-img {
  width: 280px;
  height: 280px;
  object-fit: contain;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.hero-title-main {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: clamp(var(--fs-4xl), 8vw, var(--fs-5xl));
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--color-yellow);
  text-shadow: 
    5px 5px 0 var(--color-deep-blue),
    10px 10px 0 var(--color-accent-cyan),
    15px 15px 30px rgba(0, 0, 0, 0.5);
  transform: rotate(-1deg);
}

.hero-title-reading {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: clamp(var(--fs-lg), 2.5vw, var(--fs-xl));
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  text-shadow: 2px 2px 0 var(--color-bg), 4px 4px 0 var(--color-deep-blue);
}

.hero-concept {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: clamp(var(--fs-xl), 4vw, var(--fs-2xl));
  color: var(--color-yellow);
  margin-bottom: var(--space-xl);
  position: relative;
  display: inline-block;
  text-shadow: 
    4px 4px 0 var(--color-deep-blue),
    8px 8px 0 var(--color-accent-cyan);
  letter-spacing: 0.05em;
}

.hero-concept::before,
.hero-concept::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-yellow), var(--color-accent-cyan), var(--color-yellow), transparent);
  border-radius: 2px;
}

.hero-concept::before { right: 100%; margin-right: var(--space-md); }
.hero-concept::after { left: 100%; margin-left: var(--space-md); }

.hero-description {
  font-size: var(--fs-lg);
  line-height: 2;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  white-space: pre-line;
  opacity: 0.9;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-social {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--color-card);
  border: 3px solid var(--color-border);
  color: var(--color-yellow);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.social-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-deep-blue), var(--color-accent-cyan));
  transform: translateY(100%);
  transition: transform var(--transition-base);
  z-index: -1;
}

.social-btn:hover,
.social-btn:focus {
  color: var(--color-bg);
  border-color: var(--color-yellow);
  transform: translateY(-8px) rotate(-3deg);
  box-shadow: var(--shadow-yellow), var(--shadow-lg);
}

.social-btn:hover::before,
.social-btn:focus::before {
  transform: translateY(0);
}

.social-btn svg {
  width: 28px;
  height: 28px;
}

.hero-scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent-cyan);
  font-size: var(--fs-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-weight: 600;
  animation: scrollBounce 2.5s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(16px); }
}

.scroll-arrow {
  width: 32px;
  height: 32px;
  stroke: currentColor;
  filter: drop-shadow(0 0 10px var(--color-accent-cyan-glow));
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about {
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(0, 157, 192, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(0, 51, 181, 0.1) 0%, transparent 50%),
    var(--color-bg);
}

.about-content {
  max-width: 720px;
  margin: 0 auto;
}

.about-text {
  font-size: var(--fs-lg);
  line-height: 2.1;
  color: var(--color-text);
  white-space: pre-line;
  text-align: center;
  font-family: var(--font-main);
  font-weight: 400;
}

.about-text .highlight {
  color: var(--color-yellow);
  font-weight: 700;
  text-shadow: 1px 1px 0 var(--color-deep-blue), 2px 2px 0 var(--color-accent-cyan);
}

.about-text .highlight-crimson {
  color: var(--color-accent-cyan);
  font-weight: 700;
  text-shadow: 1px 1px 0 var(--color-deep-blue), 2px 2px 0 var(--color-yellow);
}

/* ==========================================================================
   MEMBERS SECTION
   ========================================================================== */
.members-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  max-width: 100%;
}

.member-card {
  position: relative;
  background: var(--color-card);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  overflow: hidden;
}

.member-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--color-yellow), var(--color-accent-cyan), var(--color-yellow));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.member-card:hover {
  border-color: var(--color-yellow);
  box-shadow: var(--shadow-lg), var(--shadow-yellow);
  transform: translateY(-12px) rotate(-1deg);
}

.member-card:hover::before {
  transform: scaleX(1);
}

.member-image {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-card) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: var(--space-sm);
  border: 3px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
}

.member-card:hover .member-image {
  border-color: var(--color-yellow);
  box-shadow: 0 0 32px var(--color-yellow-glow);
}

.member-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.member-image .placeholder {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-3xl);
  color: var(--color-yellow);
  opacity: 0.6;
  text-shadow: 2px 2px 0 var(--color-deep-blue);
}

.member-role {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  background: var(--color-deep-blue);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
}

.member-name {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--color-text);
  line-height: 1.4;
  text-shadow: 1px 1px 0 var(--color-deep-blue);
}

.member-name.placeholder-name {
  color: var(--color-yellow);
  font-style: normal;
  opacity: 1;
  text-shadow: 1px 1px 0 var(--color-deep-blue);
}

.member-sns {
  display: flex;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-sm);
}

.member-sns .social-btn {
  width: 40px;
  height: 40px;
  border-width: 2px;
}

.member-sns .social-btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   DISCOGRAPHY / RELEASES SECTION
   ========================================================================== */
.releases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.release-card {
  position: relative;
  background: var(--color-card);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.release-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--color-yellow), var(--color-accent-cyan), var(--color-yellow));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.release-card:hover {
  border-color: var(--color-yellow);
  box-shadow: var(--shadow-xl), var(--shadow-yellow);
  transform: translateY(-14px) rotate(1deg);
}

.release-card:hover::before {
  opacity: 1;
}

.release-cover {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-card) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.release-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  filter: saturate(1.2) contrast(1.1);
}

.release-card:hover .release-cover img {
  transform: scale(1.08);
}

.release-cover .placeholder {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-4xl);
  color: var(--color-yellow);
  opacity: 0.3;
  text-shadow: 2px 2px 0 var(--color-deep-blue);
}

.release-type {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-yellow);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  box-shadow: 3px 3px 0 var(--color-deep-blue);
}

.release-info {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  flex: 1;
}

.release-title {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-2xl);
  color: var(--color-yellow);
  line-height: 1.2;
  text-shadow: 3px 3px 0 var(--color-deep-blue), 6px 6px 0 var(--color-accent-cyan);
}

.release-date {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-accent-cyan);
}

.release-description {
  font-size: var(--fs-md);
  line-height: 1.8;
  color: var(--color-text-muted);
  flex: 1;
}

.release-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 2px dashed var(--color-border);
}

.release-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-deep-blue);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-yellow);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.release-link:hover {
  background: var(--color-yellow);
  border-color: var(--color-yellow);
  color: var(--color-bg);
  transform: translateY(-3px);
  box-shadow: var(--shadow-yellow);
}

.release-link svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   LIVE SECTION
   ========================================================================== */
.live-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 680px;
  margin: 0 auto;
}

.live-card {
  position: relative;
  background: var(--color-card);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-lg);
  align-items: center;
  transition: all var(--transition-base);
  overflow: hidden;
}

.live-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 157, 192, 0.05), rgba(255, 235, 0, 0.05));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.live-card:hover {
  border-color: var(--color-yellow);
  box-shadow: var(--shadow-lg), var(--shadow-yellow);
  transform: translateX(12px);
}

.live-card:hover::before {
  opacity: 1;
}

.live-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-deep-blue);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 100px;
  position: relative;
  z-index: 1;
}

.live-day {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-4xl);
  line-height: 1;
  color: var(--color-yellow);
  text-shadow: 3px 3px 0 var(--color-bg), 6px 6px 0 var(--color-accent-cyan);
}

.live-weekday {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent-cyan);
  text-transform: uppercase;
  margin-top: var(--space-xs);
}

.live-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 0;
  position: relative;
  z-index: 1;
}

.live-title {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-xl);
  color: var(--color-yellow);
  line-height: 1.3;
  text-shadow: 3px 3px 0 var(--color-deep-blue);
}

.live-venue {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-md);
  color: var(--color-text-muted);
}

.live-venue svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-accent-cyan);
}

.live-time {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-accent-cyan);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.live-time svg {
  width: 16px;
  height: 16px;
}

.live-ticket {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-2xl);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-md);
  background: var(--color-yellow);
  color: var(--color-bg);
  border: 3px solid var(--color-yellow);
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
  box-shadow: 5px 5px 0 var(--color-deep-blue);
}

.live-ticket:hover {
  background: var(--color-bg);
  color: var(--color-yellow);
  box-shadow: 8px 8px 0 var(--color-deep-blue), 0 0 32px var(--color-yellow-glow);
  transform: translateY(-4px);
}

.live-ticket.sold-out {
  background: var(--color-border);
  color: var(--color-text-dim);
  border-color: var(--color-border);
  cursor: not-allowed;
  box-shadow: 5px 5px 0 var(--color-bg);
}

.live-ticket.soon {
  background: transparent;
  border: 3px dashed var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  box-shadow: none;
}

.live-ticket.soon:hover {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
  box-shadow: 5px 5px 0 var(--color-deep-blue), 0 0 32px var(--color-accent-cyan-glow);
}

.live-empty {
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
  color: var(--color-text-muted);
}

.live-empty-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-xl);
  opacity: 0.4;
  stroke: var(--color-yellow);
  filter: drop-shadow(0 0 20px var(--color-yellow-glow));
}

.live-empty-title {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-3xl);
  color: var(--color-yellow);
  margin-bottom: var(--space-md);
  text-shadow: 3px 3px 0 var(--color-deep-blue);
}

.live-empty-text {
  font-size: var(--fs-lg);
  line-height: 1.8;
}

/* ==========================================================================
   LINKS SECTION
   ========================================================================== */
.links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  max-width: 880px;
  margin: 0 auto;
}

.link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-2xl) var(--space-xl);
  background: var(--color-card);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-accent-cyan) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.link-card:hover {
  border-color: var(--color-yellow);
  box-shadow: var(--shadow-xl), var(--shadow-yellow);
  transform: translateY(-12px) rotate(-2deg);
}

.link-card:hover::before {
  opacity: 0.15;
}

.link-card.coming-soon {
  opacity: 0.5;
  pointer-events: none;
}

.link-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-deep-blue);
  border: 3px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-yellow);
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
  box-shadow: 4px 4px 0 var(--color-bg);
}

.link-card:hover .link-icon {
  background: var(--color-yellow);
  border-color: var(--color-yellow);
  color: var(--color-bg);
  box-shadow: 5px 5px 0 var(--color-deep-blue), 0 0 32px var(--color-yellow-glow);
  transform: scale(1.15) rotate(5deg);
}

.link-icon svg {
  width: 32px;
  height: 32px;
}

.link-label {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-xl);
  color: var(--color-yellow);
  position: relative;
  z-index: 1;
  text-shadow: 3px 3px 0 var(--color-deep-blue);
}

.link-description {
  font-size: var(--fs-sm);
  color: var(--color-text-dim);
  text-align: center;
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  position: relative;
  z-index: var(--z-content);
  padding: var(--space-3xl) var(--container-padding);
  border-top: 4px solid var(--color-border);
  background: 
    linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg) 100%);
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--color-yellow), var(--color-accent-cyan), var(--color-yellow));
}

.footer-content {
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.footer-logo {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: var(--fs-3xl);
  color: var(--color-yellow);
  letter-spacing: 0.02em;
  text-shadow: 4px 4px 0 var(--color-deep-blue), 8px 8px 0 var(--color-accent-cyan);
}

.footer-concept {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  opacity: 0.9;
  text-shadow: 1px 1px 0 var(--color-bg);
}

.footer-copyright {
  font-size: var(--fs-md);
  color: var(--color-text-dim);
  margin-top: var(--space-md);
  font-family: var(--font-mono);
}

.footer-note {
  font-size: var(--fs-sm);
  color: var(--color-text-dim);
  opacity: 0.6;
  font-family: var(--font-mono);
}

/* ==========================================================================
   RESPONSIVE - Tablet
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --container-max: 880px;
    --container-padding: 1.5rem;
    --space-3xl: 5rem;
    --space-2xl: 3.5rem;
    --space-xl: 2rem;
    --fs-5xl: 5.5rem;
    --fs-4xl: 4rem;
    --fs-3xl: 3rem;
  }
  
  .members-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .member-image {
    width: 100px;
    height: 100px;
  }
  
  .logo-img {
    width: 240px;
    height: 240px;
  }
}

/* ==========================================================================
   RESPONSIVE - Mobile
   ========================================================================== */
@media (max-width: 640px) {
  :root {
    --container-padding: 1rem;
    --space-3xl: 4rem;
    --space-2xl: 3rem;
    --space-xl: 1.5rem;
    --fs-5xl: 4.5rem;
    --fs-4xl: 3.5rem;
    --fs-3xl: 2.5rem;
    --fs-2xl: 2rem;
    --fs-xl: 1.5rem;
    --fs-lg: 1.2rem;
    --fs-md: 1.05rem;
    --fs-base: 0.95rem;
  }
  
  .hero {
    min-height: auto;
    padding: var(--space-3xl) var(--container-padding);
  }
  
  .hero-logo {
    margin-bottom: var(--space-lg);
  }
  
  .logo-img {
    width: 180px;
    height: 180px;
  }
  
  .hero-title-main {
    transform: rotate(0);
  }
  
  .hero-concept::before,
  .hero-concept::after {
    width: 60px;
    height: 3px;
  }
  
  .members-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }
  
  .member-card {
    padding: var(--space-lg) var(--space-md);
  }
  
  .member-image {
    width: 80px;
    height: 80px;
  }
  
  .member-role {
    font-size: var(--fs-xs);
    padding: var(--space-xs) var(--space-sm);
  }
  
  .member-name {
    font-size: var(--fs-md);
  }
  
  .releases-grid {
    grid-template-columns: 1fr;
  }
  
  .release-cover .placeholder {
    font-size: var(--fs-3xl);
  }
  
  .release-title {
    font-size: var(--fs-xl);
  }
  
  .live-card {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-md) var(--space-lg);
  }
  
  .live-ticket {
    grid-column: 1 / -1;
    justify-self: start;
  }
  
  .live-date {
    min-width: 70px;
    padding: var(--space-md) var(--space-lg);
  }
  
  .live-day {
    font-size: var(--fs-3xl);
  }
  
  .links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .link-card {
    padding: var(--space-xl) var(--space-lg);
  }
  
  .link-icon {
    width: 52px;
    height: 52px;
  }
  
  .link-label {
    font-size: var(--fs-lg);
  }
  
  .section-title {
    font-size: var(--fs-2xl);
  }
  
  .section-title-ja {
    font-size: var(--fs-lg);
  }
  
  .divider-line {
    max-width: 80px;
    height: 3px;
  }
  
  .divider-dot {
    width: 12px;
    height: 12px;
  }
}

@media (max-width: 400px) {
  .members-grid {
    grid-template-columns: 1fr;
  }
  
  .links-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title-main {
    font-size: var(--fs-3xl);
  }
  
  .logo-img {
    width: 160px;
    height: 160px;
  }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-yellow { color: var(--color-yellow); }
.text-cyan { color: var(--color-accent-cyan); }
.text-muted { color: var(--color-text-muted); }

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */
@media print {
  body::before,
  body::after,
  .hero-scroll-indicator,
  .social-btn,
  .live-ticket,
  .release-link,
  .link-card { display: none !important; }
  
  body { background: white; color: black; }
  .hero, .section { page-break-inside: avoid; }
  .hero-title-main { color: black; text-shadow: none; }
  .hero-concept { color: black; text-shadow: none; }
}