/* =========================================================================
   1. GLOBAL DESIGN SYSTEM & VARIABLES (Mobbin Design System)
   ========================================================================= */
:root {
  /* Brand & Color Palette */
  --color-primary: #141414;
  --color-on-primary: #ffffff;
  --color-ink: #141414;
  --color-ink-soft: #262626;
  --color-text-muted: #707070;
  --color-text-faint: #adadad;

  --color-canvas: #ffffff;
  --color-canvas-soft: #f3f3f3;
  --color-field: #f0f0f0;
  --color-hairline-soft: #f0f0f0;
  --color-hairline: #e0e0e0;

  /* Typography */
  --font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Radius Scale */
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-full: 9999px;

  /* Spacing */
  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 80px;

  /* Layout */
  --container-max-width: 1100px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-family-base);
  line-height: 1.38;
  font-weight: 456;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 70px;
}

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

img, video {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Helper Components */
.badge-pill {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-canvas-soft);
  color: var(--color-ink);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.33;
  letter-spacing: 0;
}

.divider {
  width: 32px;
  height: 2px;
  background-color: var(--color-hairline);
  margin: var(--spacing-md) 0;
}
.divider.center {
  margin: var(--spacing-md) auto;
}

.heading-1 {
  font-size: 44px;
  font-weight: 652;
  line-height: 1.13;
  letter-spacing: 0;
  color: var(--color-ink);
}

.heading-2 {
  font-size: 32px;
  font-weight: 652;
  line-height: 1.13;
  letter-spacing: 0;
  color: var(--color-ink);
}

.center {
  text-align: center;
}

.hidden {
  display: none !important;
}

/* =========================================================================
   2. HEADER & NAVIGATION
   ========================================================================= */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  width: 100%;
  z-index: 100;
  pointer-events: none;
}

.nav-container {
  pointer-events: auto;
  background-color: rgba(243, 243, 243, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-full);
  padding: 8px var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 54px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.nav-link:hover {
  background-color: var(--color-canvas);
}

.nav-cta-btn {
  padding: 8px var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-on-primary) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 14px;
}
.nav-cta-btn:hover {
  background-color: var(--color-ink-soft);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  position: absolute;
  right: var(--spacing-md);
}
.mobile-menu-toggle span {
  width: 22px;
  height: 2px;
  background-color: var(--color-ink);
}

/* =========================================================================
   3. HERO SECTION
   ========================================================================= */
.hero-band {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
  padding-bottom: 100px;
  background-color: var(--color-canvas);
}

.hero-video-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-video-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.95) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-logo-img {
  max-width: 680px;
  width: 90%;
  margin-bottom: var(--spacing-xl);
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.06));
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-sm);
}

.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
  border: none;
  cursor: pointer;
}
.button-primary:hover {
  background-color: var(--color-ink-soft);
}

.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px var(--spacing-lg);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-hairline);
  transition: background-color var(--transition-fast);
}
.button-secondary:hover {
  background-color: var(--color-canvas-soft);
}

.hero-scroll-btn {
  position: absolute;
  bottom: 24px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 456;
  color: var(--color-text-muted);
}

.indicator-arrow {
  width: 1px;
  height: 24px;
  background: linear-gradient(180deg, var(--color-ink) 0%, transparent 100%);
  animation: pulseArrow 1.5s infinite;
}

@keyframes pulseArrow {
  0% { transform: scaleY(0.3); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  100% { transform: scaleY(0.3); transform-origin: bottom; }
}

/* STICKY CTA BAR */
.sticky-cta-bar {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  width: calc(100% - 32px);
  max-width: 600px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-full);
  padding: 8px var(--spacing-md);
  z-index: 90;
  transition: transform var(--transition-normal);
}
.sticky-cta-bar.visible {
  transform: translateX(-50%) translateY(0);
}

.sticky-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sticky-cta-info {
  display: flex;
  flex-direction: column;
}

.sticky-cta-title {
  font-weight: 652;
  font-size: 14px;
  color: var(--color-ink);
}

.sticky-cta-sub {
  font-size: 12px;
  color: var(--color-text-muted);
}

.sticky-cta-btn {
  padding: 8px var(--spacing-md);
  font-size: 14px;
}

/* =========================================================================
   4. ABOUT SECTION
   ========================================================================= */
.about-section {
  padding: var(--spacing-section) 0;
}

.about-box {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.about-text p {
  color: var(--color-ink);
  margin-bottom: var(--spacing-md);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.8;
}
.about-text p:last-child {
  margin-bottom: 0;
}

.nobr {
  display: inline-block;
}

.pc-only {
  display: inline;
}
@media (max-width: 768px) {
  .pc-only {
    display: none;
  }
}

/* =========================================================================
   5. LINEUP SECTION
   ========================================================================= */
.lineup-section {
  padding: var(--spacing-section) 0;
  position: relative;
  z-index: 1;
  clear: both;
}

.sub-heading {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-sm);
  border-left: 3px solid var(--color-ink);
}

.artists-grid-main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.feature-card {
  position: relative;
  background-color: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  height: auto;
}

.card-sticker-tag {
  align-self: flex-start;
  margin-bottom: var(--spacing-sm);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.artist-avatar-square {
  width: 100%;
  height: 280px;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
  background-color: var(--color-field);
  flex-shrink: 0;
}

.artist-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: grayscale(0%);
  transition: transform var(--transition-fast);
}

.feature-card:hover .artist-img {
  transform: scale(1.02);
}

.artist-meta-info h4 {
  font-size: 24px;
  font-weight: 652;
  color: var(--color-ink);
}

.artist-origin-pill {
  font-size: 12px;
  color: var(--color-text-muted);
}

.artist-bio {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: var(--spacing-md) 0;
  line-height: 1.43;
}

.artist-social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: auto;
}

.artist-social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-ink);
  transition: background-color var(--transition-fast);
}
.artist-social-link:hover {
  background-color: var(--color-field);
}

/* DJs GRID */
.djs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.dj-card {
  background-color: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  height: auto;
  transition: transform var(--transition-fast);
}
.dj-card:hover {
  transform: translateY(-4px);
}

.dj-avatar-wrap {
  width: 100%;
  height: 220px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
  background-color: var(--color-field);
  flex-shrink: 0;
}

.dj-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0%);
  transition: transform var(--transition-fast);
}

.dj-card:hover .dj-img {
  transform: scale(1.02);
}

.dj-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.dj-name {
  font-size: 18px;
  font-weight: 652;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.dj-bio {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.dj-info .artist-social-links {
  margin-top: auto;
}

/* =========================================================================
   6. TIMETABLE SECTION
   ========================================================================= */
.timetable-section {
  padding: var(--spacing-section) 0;
  background-color: var(--color-canvas-soft);
  position: relative;
  z-index: 1;
  clear: both;
}

.timetable-scroll-hint {
  display: none;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.05em;
}

.timetable-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-hairline);
  background-color: var(--color-canvas);
  -webkit-overflow-scrolling: touch;
}

.timetable-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.timetable-table th, .timetable-table td {
  padding: var(--spacing-md);
  border: 1px solid var(--color-hairline-soft);
  text-align: left;
}

.timetable-table th {
  background-color: var(--color-canvas-soft);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.time-col { width: 100px; text-align: center !important; }
.time-cell { text-align: center; font-weight: 652; color: var(--color-ink); }

.tt-item {
  display: flex;
  flex-direction: column;
  margin-bottom: 8px;
  padding: 10px 14px;
  background-color: var(--color-canvas-soft);
  border-radius: var(--radius-sm);
}
.tt-item:last-child { margin-bottom: 0; }

.tt-item.live-act {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}
.tt-item.live-act .duration { color: var(--color-text-faint); }

.tt-item .artist-name { font-weight: 600; font-size: 14px; }
.tt-item .duration { font-size: 12px; color: var(--color-text-muted); }

.status-cell {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 456;
}

/* =========================================================================
   7. VENUE & RSVP SECTION
   ========================================================================= */
.venue-section { padding: var(--spacing-section) 0; }

.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.venue-info-box h3 { font-size: 32px; font-weight: 652; margin-bottom: var(--spacing-sm); }
.venue-address { color: var(--color-text-muted); margin-bottom: var(--spacing-lg); font-size: 16px; }

.venue-details-list { list-style: none; }
.venue-details-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-hairline);
  font-size: 14px;
}

.venue-map-box {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
}

/* RSVP */
.rsvp-section { padding: var(--spacing-section) 0; background-color: var(--color-canvas-soft); }

.rsvp-card {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-canvas);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-hairline-soft);
}

.rsvp-desc { font-size: 14px; color: var(--color-text-muted); margin-top: 8px; }

.rsvp-form { display: flex; flex-direction: column; gap: var(--spacing-md); margin-top: var(--spacing-lg); }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--color-text-muted); }
.form-group input {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-field);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: 16px;
  outline: none;
  transition: border-color var(--transition-fast);
}
.form-group input:focus {
  border-color: var(--color-ink);
}
.readonly-input { color: var(--color-text-muted) !important; cursor: not-allowed; }

.form-notice { font-size: 12px; color: var(--color-ink-soft); text-align: center; font-weight: 600; }

/* DIGITAL PASS CARD */
.issued-pass-container { margin-top: var(--spacing-xl); }
.digital-pass-card {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
}

.pass-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-md); }
.pass-event-title { font-weight: 652; font-size: 16px; }
.pass-badge { background: var(--color-primary); color: var(--color-on-primary); font-size: 12px; padding: 2px 10px; border-radius: var(--radius-full); font-weight: 600; }

.pass-body { margin-bottom: var(--spacing-md); }
.pass-info-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--color-hairline); }
.pass-label { font-size: 12px; color: var(--color-text-muted); }
.pass-value { font-weight: 600; font-size: 14px; color: var(--color-ink); }

.pass-footer { text-align: center; font-size: 12px; color: var(--color-text-muted); }

/* =========================================================================
   8. FOOTER
   ========================================================================= */
.site-footer {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
  margin-top: var(--spacing-section);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.copyright { font-size: 12px; color: var(--color-text-faint); }
.footer-sns { display: flex; gap: var(--spacing-md); font-size: 20px; color: var(--color-on-primary); }
.footer-sns a {
  transition: opacity var(--transition-fast);
}
.footer-sns a:hover {
  opacity: 0.7;
}

/* =========================================================================
   9. SCROLL ANIMATIONS & RESPONSIVE
   ========================================================================= */
.scroll-anim {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.scroll-anim.active {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .mobile-menu-toggle { display: flex; }
  .venue-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; width: 100%; }
  .button-primary, .button-secondary { text-align: center; }
  .timetable-scroll-hint { display: flex; }

  .footer-inner {
    flex-direction: column-reverse;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* モバイル表示（iPhone Pro Max含む480px以下）のスタイル調整 */
@media (max-width: 480px) {
  .heading-1 {
    font-size: 28px;
  }

  .heading-2 {
    font-size: 24px;
  }

  .about-box {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .about-text p {
    font-size: 14px;
    line-height: 1.7;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }
}

/* インラインブロックで区切り単位を保持 */
.inline-block {
  display: inline-block;
}

/* モバイル表示時のサイズ調整と崩れ防止 */
@media (max-width: 480px) {
  /* 見出しの文字サイズ調整と崩れ防止 */
  .about-title {
    font-size: 1.25rem !important;
    line-height: 1.5 !important;
    word-break: normal !important;
    overflow-wrap: break-word !important;
  }

  /* 本文もはみ出さないように設定 */
  .about-text p {
    font-size: 14px;
    line-height: 1.75;
    word-break: normal !important;
    overflow-wrap: break-word !important;
  }
}

.about-text {
  text-align: left;
  width: fit-content;
  max-width: 820px;
  margin: 0 auto;
}