:root {
  --neon-yellow: #eaff00;
  --neon-pink: #ff007f;
  --bg: #111111;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: #ffffff;
  font-family: "Noto Sans JP", sans-serif;
  overflow-x: hidden;
}

/* ノイズテクスチャ */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ネオンタイトル */
.neon-title-yellow {
  color: var(--neon-yellow);
  text-shadow:
    0 0 7px var(--neon-yellow),
    0 0 20px var(--neon-yellow),
    0 0 45px var(--neon-yellow),
    0 0 80px #ccdd00;
}

.neon-title-pink {
  color: var(--neon-pink);
  text-shadow:
    0 0 7px var(--neon-pink),
    0 0 20px var(--neon-pink),
    0 0 45px var(--neon-pink),
    0 0 80px #cc0060;
}

.neon-text-yellow {
  color: var(--neon-yellow);
  text-shadow:
    0 0 10px var(--neon-yellow),
    0 0 25px var(--neon-yellow);
}

.neon-text-pink {
  color: var(--neon-pink);
  text-shadow:
    0 0 10px var(--neon-pink),
    0 0 25px var(--neon-pink);
}

/* フリッカーアニメーション（ネオンサインっぽく） */
@keyframes flicker {
  0%,
  19%,
  21%,
  23%,
  25%,
  54%,
  56%,
  100% {
    text-shadow:
      0 0 7px var(--neon-yellow),
      0 0 20px var(--neon-yellow),
      0 0 45px var(--neon-yellow),
      0 0 80px #ccdd00;
  }
  20%,
  24%,
  55% {
    text-shadow: none;
    color: #888800;
  }
}

.flicker {
  animation: flicker 6s infinite;
}

@keyframes flicker-pink {
  0%,
  19%,
  21%,
  23%,
  25%,
  54%,
  56%,
  100% {
    text-shadow:
      0 0 7px var(--neon-pink),
      0 0 20px var(--neon-pink),
      0 0 45px var(--neon-pink),
      0 0 80px #cc0060;
  }
  20%,
  24%,
  55% {
    text-shadow: none;
    color: #880040;
  }
}

.flicker-pink {
  animation: flicker-pink 8s infinite;
}

/* CTAボタン */
.cta-btn {
  background-color: var(--neon-yellow);
  color: #111111;
  font-weight: 900;
  font-size: 1.1rem;
  padding: 1rem 2.5rem;
  border: none;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  letter-spacing: 0.05em;
  display: inline-block;
  text-decoration: none;
}

.cta-btn:hover {
  transform: rotate(-2deg) scale(1.06);
  box-shadow:
    0 0 20px var(--neon-yellow),
    0 0 40px var(--neon-yellow);
}

/* 審査基準カード */
.eval-card {
  background: #141414;
  border: 1px solid;
  padding: 1.8rem;
  text-align: center;
  transition:
    box-shadow 0.3s ease,
    transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

.eval-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 20px rgba(234, 255, 0, 0.25);
}

.eval-card[style*="neon-pink"]:hover,
.eval-card[style*="ff007f"]:hover {
  box-shadow: 0 0 20px rgba(255, 0, 127, 0.25);
}

.eval-icon {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  display: block;
}

/* タイムライン */
.step-line {
  position: absolute;
  left: 20px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    180deg,
    var(--neon-yellow),
    var(--neon-pink)
  );
}

/* フォーム */
.submit-btn {
  background: transparent;
  border: 2px solid var(--neon-pink);
  color: var(--neon-pink);
  font-weight: 900;
  font-size: 1.1rem;
  padding: 0.9rem 2.5rem;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
  width: 100%;
  font-family: "Noto Sans JP", sans-serif;
}

.submit-btn:hover {
  background: var(--neon-pink);
  color: #111111;
  box-shadow:
    0 0 20px var(--neon-pink),
    0 0 40px rgba(255, 0, 127, 0.4);
}

/* スクロールリビール */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.7s ease,
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 手書き風テキスト */
.handwritten {
  font-family: "Yomogi", cursive;
}

/* 協賛者チップ */
.sponsor-chip {
  border: 1px solid #333;
  color: #cccccc;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.55rem 1.4rem;
  letter-spacing: 0.06em;
  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
}

.sponsor-chip:hover {
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
  box-shadow: 0 0 10px rgba(234, 255, 0, 0.2);
}

.sponsor-chip-sub {
  font-size: 0.75em;
  color: #666;
  font-weight: 400;
  margin-left: 0.2em;
}

/* タカシ特別あしらい */
@keyframes takashi-glow {
  0%,
  100% {
    box-shadow:
      0 0 12px var(--neon-yellow),
      0 0 30px var(--neon-yellow),
      0 0 60px rgba(234, 255, 0, 0.4);
  }
  50% {
    box-shadow:
      0 0 20px var(--neon-pink),
      0 0 50px var(--neon-pink),
      0 0 90px rgba(255, 0, 127, 0.5);
  }
}

@keyframes takashi-text {
  0%,
  100% {
    color: var(--neon-yellow);
    text-shadow:
      0 0 10px var(--neon-yellow),
      0 0 30px var(--neon-yellow);
  }
  50% {
    color: #ffffff;
    text-shadow:
      0 0 10px #ffffff,
      0 0 30px var(--neon-pink);
  }
}

.takashi-card {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  border: 2px solid var(--neon-yellow);
  padding: 1rem 2.5rem;
  animation: takashi-glow 3s ease-in-out infinite;
  position: relative;
}

.takashi-name {
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 0.2em;
  animation: takashi-text 3s ease-in-out infinite;
}

.takashi-deco {
  font-size: 1.1rem;
  color: var(--neon-yellow);
  opacity: 0.7;
}

/* CONCEPTオーバーレイ */
#concept-overlay {
  transform: rotate(-2deg) translateY(0);
  transition:
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.2s ease;
  cursor: pointer;
}

#concept-overlay:hover {
  filter: brightness(1.35) drop-shadow(0 0 8px var(--neon-pink));
}

#concept-overlay.pinned {
  transform: rotate(-2deg) translateY(170px);
}

.concept-box-active {
  z-index: 20;
  position: relative;
}

/* スキャンライン */
.scanline::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0.12) 4px
  );
  pointer-events: none;
}

/* セクション区切り */
.section-divider {
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--neon-yellow),
    transparent
  );
  margin: 0;
  opacity: 0.4;
}

/* バッジ */
.badge {
  display: inline-block;
  border: 1px solid var(--neon-yellow);
  color: var(--neon-yellow);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* グリッチ文字 */
@keyframes glitch {
  0% {
    clip-path: inset(40% 0 61% 0);
    transform: translate(-4px);
  }
  20% {
    clip-path: inset(92% 0 1% 0);
    transform: translate(4px);
  }
  40% {
    clip-path: inset(43% 0 1% 0);
    transform: translate(-2px);
  }
  60% {
    clip-path: inset(25% 0 58% 0);
    transform: translate(2px);
  }
  80% {
    clip-path: inset(54% 0 7% 0);
    transform: translate(-4px);
  }
  100% {
    clip-path: inset(58% 0 43% 0);
    transform: translate(0);
  }
}

.glitch-wrapper {
  position: relative;
  display: inline-block;
}

.glitch-wrapper::before,
.glitch-wrapper::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.glitch-wrapper::before {
  color: var(--neon-pink);
  animation: glitch 3s infinite linear alternate-reverse;
  opacity: 0.7;
}

.glitch-wrapper::after {
  color: #00ffff;
  animation: glitch 2s infinite linear alternate;
  opacity: 0.5;
}

/* スクロールアロー */
@keyframes bounce-down {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(10px);
  }
}

.bounce {
  animation: bounce-down 1.5s infinite;
}

/* 投票期間点滅 */
@keyframes vote-pulse {
  0%,
  100% {
    box-shadow: 0 0 8px rgba(255, 0, 127, 0.25);
  }
  50% {
    box-shadow:
      0 0 25px rgba(255, 0, 127, 0.85),
      0 0 60px rgba(255, 0, 127, 0.3);
    background: rgba(255, 0, 127, 0.1) !important;
  }
}

.vote-active {
  animation: vote-pulse 1.2s ease-in-out infinite;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.vote-active:hover {
  transform: translateY(-3px);
}

/* ストライプ装飾 */
.stripe-bg {
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    rgba(234, 255, 0, 0.03) 6px,
    rgba(234, 255, 0, 0.03) 12px
  );
}