/* ==========================================================
   新メインスタンド完成記念 謎解きラリー / style.css
   ========================================================== */

:root {
  /* キービジュアルの木材+空+山のトーンに合わせた暖色寄りパレット */
  --color-bg: #BDB29A;          /* 暖かい木材ベージュ(旧くすみセージから移行) */
  --color-bg-soft: #CDC3AC;
  --color-paper: #F5EFE0;       /* 建物クリームに寄せる */
  --color-paper-soft: #FAF6EA;
  --color-ink: #3A2E24;          /* 純黒→木炭ブラウンで全体を暖色に */
  --color-ink-soft: #6B5A4A;
  --color-accent-red: #C97E6E;   /* コーラル(キープ) */
  --color-accent-red-dark: #AE6352;
  --color-accent-blue: #8FA8BE;  /* 空の淡い青 */
  --color-accent-blue-deep: #6A8AA4;
  --color-gold: #B8924A;         /* ブロンズゴールド(虫眼鏡・鍵の色) */
  --color-gold-light: #D4B478;
  --color-wood: #8B6F4E;         /* 木のブラウン(新規) */
  --color-wood-light: #B08A63;
  --color-success: #8BA888;

  --font-handwrite: 'Yomogi', 'Klee One', serif;
  --font-klee: 'Klee One', serif;
  --font-mincho: 'Cormorant Garamond', 'Klee One', serif;
  --font-body: 'Noto Sans JP', 'Klee One', sans-serif;
  --font-display: 'Dela Gothic One', 'RocknRoll One', 'Yomogi', sans-serif; /* ヒーローロゴ用・極太ディスプレイ */

  --shadow-card: 0 6px 22px rgba(44, 44, 44, 0.12);
  --shadow-soft: 0 2px 8px rgba(44, 44, 44, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 20% 8%, rgba(143, 168, 190, 0.18) 0%, transparent 40%),    /* 空の青 */
    radial-gradient(circle at 85% 18%, rgba(245, 239, 224, 0.25) 0%, transparent 35%),   /* 雲 */
    radial-gradient(circle at 80% 85%, rgba(139, 111, 78, 0.12) 0%, transparent 50%),    /* 木の温もり */
    radial-gradient(circle at 10% 90%, rgba(184, 146, 74, 0.1) 0%, transparent 45%);     /* ゴールド */
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

/* ========== 背景アンビエントキャンバス ========== */
#ambient-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}

main { position: relative; z-index: 2; }

/* ========== 進捗インジケーター ========== */
#progress-indicator {
  position: fixed;
  top: 1rem;
  right: 1rem;
  padding: 0.55rem 1.1rem;
  background: rgba(245, 241, 232, 0.94);
  border: 1.5px solid var(--color-accent-red);
  border-radius: 999px;
  font-family: var(--font-klee);
  font-size: 0.9rem;
  color: var(--color-ink);
  z-index: 100;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(4px);
}

/* ========== 共通セクション ========== */
section {
  padding: 5rem 1.25rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-handwrite);
  font-size: clamp(1.9rem, 4.5vw, 2.75rem);
  color: var(--color-ink);
  text-align: center;
  margin: 0 0 1.25rem;
  letter-spacing: 0.05em;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  margin: 1rem auto 0;
  background: var(--color-accent-red);
}

.section-title--xl {
  font-size: clamp(2.2rem, 5.5vw, 3.25rem);
  line-height: 1.4;
}

.section-sub {
  text-align: center;
  font-family: var(--font-klee);
  color: var(--color-ink-soft);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.section-lead {
  text-align: center;
  font-family: var(--font-klee);
  color: var(--color-ink);
  line-height: 2;
  font-size: 1.05rem;
  margin: 0 auto 2.5rem;
  max-width: 680px;
}

.hidden { display: none !important; }

/* ========== ヒーロー ========== */
.hero {
  padding: 0;
  max-width: 100%;
  text-align: center;
  overflow: visible;
}

/* キービジュアル */
.hero-keyvisual {
  position: relative;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 0 0 24px 24px;
  box-shadow: 0 12px 40px rgba(44,44,44,0.25);
}

.hero-keyvisual-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2000 / 1400;
  /* ロゴを引き立てるために少し落ち着かせる */
  filter: brightness(0.78) saturate(0.88);
  animation: kv-zoom 18s ease-in-out infinite alternate;
}

@keyframes kv-zoom {
  from { transform: scale(1); }
  to   { transform: scale(1.06); }
}

.hero-keyvisual-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    /* ロゴ中央に暗めのスポットを落として、ロゴを浮かび上がらせる */
    radial-gradient(ellipse at 50% 50%, rgba(20,15,10,0.45) 0%, rgba(20,15,10,0.25) 40%, rgba(0,0,0,0.15) 70%, rgba(0,0,0,0.4) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 25%, rgba(0,0,0,0) 50%, rgba(44,30,20,0.55) 100%);
}

/* キービジュアル内のタイトル */
.hero-keyvisual-text {
  position: absolute;
  left: 50%;
  bottom: 6%;
  transform: translateX(-50%);
  width: 92%;
  max-width: 900px;
  text-align: center;
  color: white;
  z-index: 2;
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--font-mincho);
  font-style: italic;
  font-size: clamp(0.85rem, 1.8vw, 1.2rem);
  letter-spacing: 0.35em;
  color: #FDF5E2;
  margin: 0 0 0.75rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.55);
  opacity: 0;
  animation: hero-eyebrow-in 1.2s ease-out 0.2s forwards;
}

@keyframes hero-eyebrow-in {
  from { opacity: 0; letter-spacing: 0.8em; }
  to   { opacity: 0.95; letter-spacing: 0.35em; }
}

/* メインタイトル - 画像ロゴ */
.hero-title {
  margin: 0 0 0.9rem;
  line-height: 0;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* 背景の放射状グロー(常時見える+呼吸) */
.hero-logo-glow {
  position: absolute;
  inset: -60% -30%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 50%,
      rgba(255, 230, 150, 0.85) 0%,
      rgba(255, 200, 100, 0.55) 20%,
      rgba(255, 170, 80, 0.35) 40%,
      rgba(201, 126, 110, 0.2) 60%,
      transparent 80%);
  filter: blur(30px);
  opacity: 0.8;
  animation: hero-glow-breath 3.2s ease-in-out infinite;
}

@keyframes hero-glow-breath {
  0%, 100% { opacity: 0.65; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.18); }
}

/* 放射状の光線(大きめ・回転・常時見える) */
.hero-logo-rays {
  position: absolute;
  inset: -80% -50%;
  z-index: 0;
  pointer-events: none;
  background:
    repeating-conic-gradient(
      from 0deg,
      rgba(255, 235, 180, 0.18) 0deg 5deg,
      transparent 5deg 28deg
    );
  -webkit-mask-image: radial-gradient(circle at center, black 15%, rgba(0,0,0,0.6) 45%, transparent 75%);
          mask-image: radial-gradient(circle at center, black 15%, rgba(0,0,0,0.6) 45%, transparent 75%);
  opacity: 0.85;
  animation: hero-rays-spin 24s linear infinite;
}
@keyframes hero-rays-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ロゴ本体 (正方形ロゴに合わせて小さめに調整) */
.hero-logo {
  display: block;
  position: relative;
  z-index: 1;
  width: clamp(260px, 58vw, 580px);
  max-width: 100%;
  height: auto;
  filter:
    drop-shadow(0 8px 20px rgba(0,0,0,0.55))
    drop-shadow(0 0 40px rgba(255,220,150,0.5));
  opacity: 0;
  transform: translateY(40px) scale(0.85);
  animation:
    hero-title-in 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s forwards,
    hero-logo-pulse 3.6s ease-in-out 1.6s infinite,
    hero-logo-flash 6s ease-in-out 3s infinite;
}

@keyframes hero-logo-pulse {
  0%, 100% { transform: translateY(0) scale(1) rotate(0deg); }
  50%      { transform: translateY(-6px) scale(1.02) rotate(-0.3deg); }
}

/* 時々光がぱっと流れるフラッシュ */
@keyframes hero-logo-flash {
  0%, 85%, 100% {
    filter:
      drop-shadow(0 8px 20px rgba(0,0,0,0.55))
      drop-shadow(0 0 40px rgba(255,220,150,0.5))
      brightness(1) saturate(1);
  }
  90% {
    filter:
      drop-shadow(0 8px 20px rgba(0,0,0,0.55))
      drop-shadow(0 0 80px rgba(255,240,180,0.95))
      brightness(1.18) saturate(1.25);
  }
  95% {
    filter:
      drop-shadow(0 8px 20px rgba(0,0,0,0.55))
      drop-shadow(0 0 60px rgba(255,220,150,0.7))
      brightness(1.08) saturate(1.1);
  }
}

.hero-title-line1 {
  display: inline-block;
  position: relative;
  padding: 0 0.25em;
  /* 白〜クリーム〜ライトゴールドのやわらかグラデ */
  background: linear-gradient(
    180deg,
    #FFFFFF 0%,
    #FFF8E4 40%,
    #FCE3A8 75%,
    #D9B075 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  /* 極太書体に合わせて立体影を強めに+ゴールドのグロー */
  filter:
    drop-shadow(0 1px 0 rgba(201,126,110,0.95))
    drop-shadow(0 3px 0 rgba(184,105,90,0.85))
    drop-shadow(0 5px 0 rgba(164,85,70,0.7))
    drop-shadow(0 7px 0 rgba(140,70,58,0.55))
    drop-shadow(0 10px 20px rgba(0,0,0,0.45))
    drop-shadow(0 0 36px rgba(255,220,150,0.75));
  opacity: 0;
  transform: translateY(40px) scale(0.85);
  animation:
    hero-title-in 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s forwards,
    hero-title-pulse 3.2s ease-in-out 1.6s infinite;
}

/* グロー用(::after) 放射状の輝き */
.hero-title-line1::after {
  content: '';
  position: absolute;
  inset: -20% -10%;
  background: radial-gradient(ellipse at center, rgba(255,230,150,0.45) 0%, rgba(255,200,100,0.15) 40%, transparent 70%);
  z-index: -2;
  pointer-events: none;
  animation: hero-glow-pulse 3.2s ease-in-out infinite;
}

@keyframes hero-title-in {
  0%   { opacity: 0; transform: translateY(40px) scale(0.85) rotate(-2deg); }
  60%  { opacity: 1; transform: translateY(-6px) scale(1.04) rotate(0.5deg); }
  100% { opacity: 1; transform: translateY(0) scale(1) rotate(0); }
}

@keyframes hero-title-pulse {
  0%, 100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-3px) scale(1.015); }
}

@keyframes hero-glow-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.95); }
  50%      { opacity: 1;    transform: scale(1.1);  }
}

.hero-title-sub {
  display: inline-block;
  font-size: clamp(0.8rem, 1.7vw, 1.05rem);
  color: #FFFDF7;
  margin-top: 0.6em;
  padding: 0.3em 1.1em;
  letter-spacing: 0.35em;
  font-family: 'RocknRoll One', var(--font-mincho);
  font-weight: 400;
  background: linear-gradient(135deg, var(--color-accent-red), var(--color-gold));
  border-radius: 999px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
  box-shadow: 0 4px 14px rgba(0,0,0,0.35), inset 0 0 0 1.5px rgba(255,255,255,0.4);
  opacity: 0;
  animation: hero-sub-in 0.9s ease-out 1.1s forwards;
}

@keyframes hero-sub-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
  font-family: var(--font-klee);
  font-size: clamp(0.95rem, 2.3vw, 1.35rem);
  color: #FDF5E2;
  margin: 1rem 0 0;
  letter-spacing: 0.1em;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0,0,0,0.7), 0 0 20px rgba(0,0,0,0.4);
  opacity: 0;
  animation: hero-eyebrow-in 1s ease-out 1.4s forwards;
}

/* キラキラ */
.hero-sparkles {
  position: absolute;
  inset: -35% -15% -15%;
  pointer-events: none;
  z-index: 3;
}
.hero-sparkles .sp {
  position: absolute;
  color: #FFF4CC;
  font-size: 1.5rem;
  text-shadow:
    0 0 8px rgba(255, 255, 220, 1),
    0 0 16px rgba(255, 220, 150, 0.95),
    0 0 32px rgba(255, 200, 100, 0.7),
    0 0 48px rgba(255, 180, 60, 0.4);
  opacity: 0;
  animation: sparkle-twinkle 2.4s ease-in-out infinite;
  will-change: transform, opacity;
}
.hero-sparkles .sp1 { top:  6%;  left:  6%; font-size: 1.4rem; animation-delay: 0s;   animation-duration: 2.6s; }
.hero-sparkles .sp2 { top: -2%;  left: 28%; font-size: 2rem;   animation-delay: 0.4s; animation-duration: 2.2s; }
.hero-sparkles .sp3 { top:  4%;  left: 55%; font-size: 1.6rem; animation-delay: 0.9s; animation-duration: 2.5s; }
.hero-sparkles .sp4 { top: 12%;  right: 8%; font-size: 1.8rem; animation-delay: 1.3s; animation-duration: 2.8s; }
.hero-sparkles .sp5 { top: 45%;  left: -2%; font-size: 1.2rem; animation-delay: 0.7s; animation-duration: 2.3s; }
.hero-sparkles .sp6 { top: 55%;  right: 0%; font-size: 1.3rem; animation-delay: 1.6s; animation-duration: 2.7s; }
.hero-sparkles .sp7 { bottom: 8%; left: 14%; font-size: 1.1rem; animation-delay: 0.2s; animation-duration: 2.4s; }
.hero-sparkles .sp8 { bottom: 2%; left: 48%; font-size: 1.7rem; animation-delay: 1.1s; animation-duration: 2.6s; }
.hero-sparkles .sp9 { bottom: 14%; right: 18%; font-size: 1.5rem; animation-delay: 1.8s; animation-duration: 2.2s; }

@keyframes sparkle-twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.6) rotate(0deg); }
  25%      { opacity: 1;   transform: scale(1.5) rotate(180deg); }
  50%      { opacity: 0.85; transform: scale(1.1) rotate(270deg); }
  75%      { opacity: 0.5; transform: scale(0.8) rotate(360deg); }
}

/* 浮遊OPENバッジ */
.open-badge-float {
  position: absolute;
  top: 4%;
  right: 4%;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 1rem 1.4rem;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 50%, var(--color-accent-red) 100%);
  color: white;
  border-radius: 999px;
  font-family: var(--font-klee);
  font-weight: 600;
  letter-spacing: 0.1em;
  box-shadow: 0 8px 24px rgba(184,146,74,0.55), inset 0 0 0 2px rgba(255,255,255,0.3);
  transform: rotate(6deg);
  z-index: 3;
  animation: pulse-glow 2.8s ease-in-out infinite, float-badge 4s ease-in-out infinite;
}

.open-badge-stack {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.open-badge-float .open-badge-label {
  font-size: clamp(0.65rem, 1.3vw, 0.8rem);
  letter-spacing: 0.2em;
}
.open-badge-float .open-badge-date {
  font-size: clamp(1rem, 2.2vw, 1.4rem);
  font-family: var(--font-mincho);
  font-weight: 600;
  letter-spacing: 0.05em;
}

@keyframes float-badge {
  0%, 100% { transform: rotate(6deg) translateY(0); }
  50%      { transform: rotate(7deg) translateY(-6px); }
}

/* ヒーロー下側(インナー) */
.hero-inner {
  position: relative;
  padding: 3rem 1.5rem 4.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-catch {
  font-family: var(--font-handwrite);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  color: var(--color-ink);
  letter-spacing: 0.12em;
  margin: 1rem 0 1.75rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin: 2rem auto;
}

.date-badge {
  position: relative;
  padding: 1rem 1.75rem;
  background: var(--color-paper);
  border: 2px solid var(--color-ink);
  border-radius: 4px;
  font-family: var(--font-klee);
  box-shadow: 4px 4px 0 var(--color-ink);
  transform: rotate(-1deg);
}
.date-badge::before, .date-badge::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-accent-red);
}
.date-badge::before { top: -6px; left: -6px; border-right: none; border-bottom: none; }
.date-badge::after { bottom: -6px; right: -6px; border-left: none; border-top: none; }

.date-badge-small {
  display: block;
  font-size: 0.8rem;
  color: var(--color-accent-red);
  letter-spacing: 0.2em;
  margin-bottom: 0.25rem;
}
.date-badge-main {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.08em;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 8px 24px rgba(184, 146, 74, 0.55), inset 0 0 0 2px rgba(255,255,255,0.3); }
  50% { box-shadow: 0 12px 36px rgba(184, 146, 74, 0.8), 0 0 22px rgba(212, 180, 120, 0.7), inset 0 0 0 2px rgba(255,255,255,0.45); }
}

.open-badge-star {
  font-size: 1.1rem;
  animation: spin-slow 8s linear infinite;
}
@keyframes spin-slow { to { transform: rotate(360deg); } }

.hero-characters {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(0.75rem, 3vw, 2rem);
  margin: 2.5rem auto;
  flex-wrap: wrap;
}

.chibi {
  height: clamp(120px, 18vw, 180px);
  width: auto;
  object-fit: contain;
  filter: drop-shadow(2px 4px 8px rgba(0,0,0,0.12));
}
.chibi-left { animation: sway 4s ease-in-out infinite; }
.chibi-center { animation: sway 4s ease-in-out infinite 0.5s; }
.chibi-right { animation: sway 4s ease-in-out infinite 1s; }

@keyframes sway {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-6px) rotate(-1.5deg); }
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 2.5rem;
  background: var(--color-accent-red);
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-family: var(--font-klee);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  box-shadow: 0 6px 0 var(--color-accent-red-dark), 0 10px 20px rgba(201, 126, 110, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 1.5rem;
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 9px 0 var(--color-accent-red-dark), 0 14px 26px rgba(201, 126, 110, 0.45);
}
.hero-cta:active {
  transform: translateY(2px);
  box-shadow: 0 3px 0 var(--color-accent-red-dark), 0 6px 14px rgba(201, 126, 110, 0.3);
}
.hero-cta .arrow { transition: transform 0.3s; }
.hero-cta:hover .arrow { transform: translateX(6px); }

/* ========== キャンペーン概要 ========== */
.campaign-info {
  background: var(--color-paper);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  padding: 4rem 2rem;
  position: relative;
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  max-width: 900px;
  margin: 0 auto;
}

.info-card {
  background: white;
  border: 2px solid var(--color-ink);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.info-card::before, .info-card::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-accent-red);
}
.info-card::before { top: -8px; left: -8px; border-right: none; border-bottom: none; }
.info-card::after { bottom: -8px; right: -8px; border-left: none; border-top: none; }

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}

.info-card-icon {
  font-size: 2.75rem;
  margin-bottom: 0.75rem;
}
.info-card-title {
  font-family: var(--font-handwrite);
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
  color: var(--color-ink);
}
.info-card-desc {
  font-family: var(--font-klee);
  color: var(--color-ink-soft);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}
.info-card-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  text-align: left;
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  padding-top: 1rem;
  border-top: 1px dashed var(--color-ink-soft);
  margin: 1rem 0 0;
}
.info-card-meta dt { font-weight: 600; color: var(--color-wood); }
.info-card-meta dd { margin: 0; }
.info-card-scroll {
  margin-top: 1.25rem;
  font-family: var(--font-klee);
  color: var(--color-accent-red);
  animation: bounce-arrow 1.8s ease-in-out infinite;
}
@keyframes bounce-arrow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}
.info-card-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent-blue);
  color: white;
  padding: 0.3rem 1rem;
  font-size: 0.8rem;
  font-family: var(--font-klee);
  letter-spacing: 0.15em;
  border-radius: 999px;
}
.info-card-tag--web { background: var(--color-accent-red); }

/* ========== 景品 ========== */
.prizes { text-align: center; }

.prize-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.prize-card {
  background: var(--color-paper);
  border-radius: 8px;
  padding: 1.75rem 1rem;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform 0.3s;
  border: 2px solid rgba(44,44,44,0.1);
}
.prize-card::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px dashed rgba(44,44,44,0.2);
  border-radius: 6px;
  pointer-events: none;
}
.prize-card:hover { transform: translateY(-6px) rotate(0.5deg); }

.prize-card--1 { background: linear-gradient(180deg, #FDF5E2 0%, var(--color-paper) 100%); border-color: var(--color-gold); }
.prize-card--2 { background: linear-gradient(180deg, #EEE8DB 0%, var(--color-paper) 100%); }
.prize-card--3 { background: linear-gradient(180deg, #F5E8E3 0%, var(--color-paper) 100%); }
.prize-card--4 { background: linear-gradient(180deg, #E8DDC7 0%, var(--color-paper) 100%); }

.prize-rank {
  font-family: var(--font-handwrite);
  font-size: 1.35rem;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
  letter-spacing: 0.08em;
}
.prize-card--1 .prize-rank { color: var(--color-gold); }

.prize-name {
  font-family: var(--font-klee);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.5;
  margin-bottom: 0.5rem;
  min-height: 3em;
}
.prize-name small { font-size: 0.75rem; color: var(--color-ink-soft); font-weight: 400; display: block; margin-top: 0.3rem; }

.prize-value {
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.75rem;
}
.prize-count {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--color-accent-red);
  color: white;
  border-radius: 999px;
  font-family: var(--font-klee);
  font-size: 0.95rem;
  font-weight: 600;
}
.prize-card--1 .prize-count { background: var(--color-gold); }

.prize-note {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  text-align: center;
  max-width: 700px;
  margin: 2rem auto 0;
  line-height: 1.7;
}

/* ========== 謎解きメイン ========== */
.mystery { padding-top: 3rem; }

.mystery-intro { margin-bottom: 3.5rem; }

.question-card {
  background: var(--color-paper);
  padding: 2.5rem 1.75rem 2rem;
  margin: 0 auto 3rem;
  max-width: 720px;
  position: relative;
  box-shadow: var(--shadow-card);
  border-radius: 4px;
  border: 2px solid var(--color-wood);
}

/* L字コーナー装飾 */
.q-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-ink);
}
.q-corner--tl { top: 10px; left: 10px; border-right: none; border-bottom: none; }
.q-corner--tr { top: 10px; right: 10px; border-left: none; border-bottom: none; }
.q-corner--bl { bottom: 10px; left: 10px; border-right: none; border-top: none; }
.q-corner--br { bottom: 10px; right: 10px; border-left: none; border-top: none; }

.q-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--color-ink-soft);
}

.q-num {
  font-family: var(--font-klee);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-wood);
  letter-spacing: 0.1em;
}
.q-place {
  font-family: var(--font-klee);
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.05em;
}

.q-hero {
  display: flex;
  justify-content: center;
  margin: 0.5rem 0 1.5rem;
}
.q-chibi {
  width: clamp(110px, 18vw, 150px);
  filter: drop-shadow(2px 3px 6px rgba(0,0,0,0.1));
  animation: sway 4.5s ease-in-out infinite;
}

.q-body {
  font-family: var(--font-klee);
  font-size: 1.05rem;
  line-height: 2;
  color: var(--color-ink);
}
.q-body strong { color: var(--color-accent-red); font-weight: 600; }

.q-text { margin: 0.75rem 0; }

.q-list {
  list-style: none;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  background: var(--color-paper-soft);
  border-left: 3px solid var(--color-wood);
  border-radius: 2px;
}
.q-list li { padding: 0.25rem 0; }
.q-list--blank li { font-family: 'Courier New', monospace; }

.q-shells {
  text-align: center;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  margin: 1.5rem 0;
  font-family: var(--font-klee);
}

/* Q.004 文字バラバラ(スクランブル) */
.q-scramble {
  font-family: var(--font-handwrite);
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  letter-spacing: 0.5em;
  line-height: 1.9;
  color: var(--color-wood);
  padding: 1rem;
  background: var(--color-paper-soft);
  border-radius: 8px;
  border: 2px dashed var(--color-accent-red);
  transform: rotate(-0.5deg);
}

/* Q.005 漢字パズル */
.q-kanji-puzzle {
  font-family: var(--font-mincho);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  padding: 1.25rem 0.5rem;
  background: var(--color-paper-soft);
  border-radius: 8px;
  border-left: 4px solid var(--color-wood);
  border-right: 4px solid var(--color-wood);
  color: var(--color-ink);
}
.q-kanji-mark {
  display: inline-block;
  font-family: var(--font-handwrite);
  color: var(--color-accent-red);
  font-size: 1.2em;
  font-weight: 700;
  margin-left: 0.1em;
  animation: sway 2.2s ease-in-out infinite;
}

.q-answer-row {
  display: flex;
  justify-content: center;
  margin: 2rem 0 1.5rem;
}

.q-answer-box {
  position: relative;
  display: inline-block;
}
.q-answer-box .question-answer {
  width: 80px;
  height: 80px;
  font-size: 2.25rem;
  text-align: center;
  border: 2px solid var(--color-ink);
  background: white;
  border-radius: 6px;
  font-family: var(--font-handwrite);
  color: var(--color-ink);
  outline: none;
  transition: all 0.25s;
  box-shadow: 3px 3px 0 var(--color-accent-red);
}
.q-answer-box .question-answer:focus {
  border-color: var(--color-accent-red);
  box-shadow: 3px 3px 0 var(--color-accent-red), 0 0 0 3px rgba(201,126,110,0.2);
}
.q-answer-box.double .question-answer--multi {
  width: 150px;
  letter-spacing: 0.3em;
}

.q-check {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 28px; height: 28px;
  background: var(--color-success);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  opacity: 0;
  transform: scale(0.6);
  transition: all 0.3s;
  pointer-events: none;
}
.q-answer-box.filled .q-check {
  opacity: 1;
  transform: scale(1);
}

.q-quote {
  margin: 2rem 0 0;
  padding: 0;
  font-family: var(--font-mincho);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  text-align: center;
  border: none;
  letter-spacing: 0.05em;
}

/* ========== 最終フレーズ ========== */
.final-answer {
  background: var(--color-paper);
  border-radius: 12px;
  padding: 4rem 1.5rem;
  text-align: center;
  margin-top: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card);
  position: relative;
  border: 2px solid var(--color-gold);
}
.final-answer::before, .final-answer::after {
  content: '✦';
  position: absolute;
  font-size: 1.5rem;
  color: var(--color-gold);
  animation: spin-slow 12s linear infinite;
}
.final-answer::before { top: 20px; left: 24px; }
.final-answer::after { bottom: 20px; right: 24px; }

.final-input {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2.5rem auto 1.25rem;
  max-width: 700px;
}

.final-char-box {
  position: relative;
  width: clamp(54px, 10vw, 78px);
  height: clamp(54px, 10vw, 78px);
}
.final-char-box::before {
  content: attr(data-kanji);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mincho);
  font-size: 2.5rem;
  color: rgba(44,44,44,0.1);
  pointer-events: none;
  z-index: 0;
}

.final-char {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border: 2.5px solid var(--color-ink);
  background: white;
  border-radius: 6px;
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-family: var(--font-handwrite);
  color: var(--color-ink);
  outline: none;
  box-shadow: 3px 3px 0 var(--color-accent-red);
  transition: all 0.2s;
}
.final-char:focus {
  border-color: var(--color-accent-red);
  box-shadow: 3px 3px 0 var(--color-gold), 0 0 0 3px rgba(201,126,110,0.2);
}
.final-char-box.filled .final-char {
  background: #FFFBF0;
}

.final-preview {
  margin: 1.5rem 0 2rem;
  font-family: var(--font-handwrite);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  color: var(--color-ink-soft);
  letter-spacing: 0.3em;
  min-height: 1.5em;
}

.check-answer-btn {
  display: inline-block;
  padding: 1.15rem 3rem;
  background: var(--color-accent-red);
  color: white;
  border: none;
  border-radius: 6px;
  font-family: var(--font-klee);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  cursor: pointer;
  box-shadow: 0 6px 0 var(--color-accent-red-dark), 0 10px 20px rgba(201,126,110,0.3);
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 0.5rem;
}
.check-answer-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 9px 0 var(--color-accent-red-dark), 0 14px 24px rgba(201,126,110,0.4);
}
.check-answer-btn:active {
  transform: translateY(2px);
  box-shadow: 0 3px 0 var(--color-accent-red-dark), 0 6px 12px rgba(201,126,110,0.3);
}

/* ========== 答え合わせ ========== */
.result {
  max-width: 900px;
  padding: 3rem 1.25rem;
  text-align: center;
}

/* 正解時 */
.success-message {
  background: linear-gradient(135deg, #FDF5E2 0%, var(--color-paper) 100%);
  padding: 3.5rem 1.5rem;
  border-radius: 12px;
  border: 3px solid var(--color-gold);
  box-shadow: 0 10px 32px rgba(184,146,74,0.25);
  animation: fadeIn 0.7s ease-out;
  position: relative;
  overflow: hidden;
}

.success-title {
  font-family: var(--font-handwrite);
  font-size: clamp(2.4rem, 6vw, 3.75rem);
  color: var(--color-accent-red);
  margin: 0 0 1.5rem;
  letter-spacing: 0.15em;
}

.success-phrase {
  font-family: var(--font-handwrite);
  font-size: clamp(1.15rem, 2.8vw, 1.6rem);
  color: var(--color-ink);
  line-height: 1.9;
  margin: 0 0 2rem;
}
.success-phrase-key {
  display: inline-block;
  color: var(--color-gold);
  font-size: 1.5em;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin: 0 0.2em;
  text-shadow: 1px 2px 0 rgba(245,241,232,0.8);
}

.characters-celebration {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(0.5rem, 3vw, 1.5rem);
  margin-top: 2rem;
  flex-wrap: wrap;
}
.characters-celebration img {
  height: clamp(110px, 16vw, 160px);
  width: auto;
  object-fit: contain;
  filter: drop-shadow(2px 4px 8px rgba(0,0,0,0.12));
  animation: celebrate 1.2s ease-in-out infinite alternate;
}
.characters-celebration img:nth-child(1) { animation-delay: 0s; }
.characters-celebration img:nth-child(2) { animation-delay: 0.2s; }
.characters-celebration img:nth-child(3) { animation-delay: 0.4s; }

@keyframes celebrate {
  from { transform: translateY(0) rotate(-3deg); }
  to { transform: translateY(-10px) rotate(3deg); }
}

/* 応募バナー */
.apply-banner {
  display: block;
  width: 92%;
  max-width: 640px;
  margin: 3rem auto 0;
  padding: 2rem 2.5rem;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 45%, var(--color-accent-red) 100%);
  border: 2.5px solid var(--color-gold);
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(184,146,74,0.35);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  color: white;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  animation: fadeIn 0.8s ease-out 0.3s both;
}
.apply-banner::after {
  content: '';
  position: absolute;
  top: -60%; left: -60%;
  width: 220%; height: 220%;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  animation: shine 3.5s linear infinite;
  pointer-events: none;
}
@keyframes shine {
  to { transform: translateX(50%); }
}

.apply-banner:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: 0 14px 38px rgba(184,146,74,0.5);
}
.apply-banner:active { transform: translateY(-1px); }

.banner-inner {
  position: relative;
  z-index: 1;
  font-family: var(--font-klee);
}
.apply-banner .main-text {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
  text-shadow: 1px 2px 4px rgba(0,0,0,0.2);
}
.apply-banner .arrow {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  letter-spacing: 0.08em;
  opacity: 0.95;
}
.sparkle-left, .sparkle-right {
  position: absolute;
  font-size: 1.4rem;
  animation: sparkle 2s ease-in-out infinite;
  z-index: 2;
}
.sparkle-left { top: 12px; left: 16px; }
.sparkle-right { bottom: 12px; right: 16px; animation-delay: 1s; }
@keyframes sparkle {
  0%, 100% { opacity: 0.3; transform: scale(0.8) rotate(0deg); }
  50% { opacity: 1; transform: scale(1.2) rotate(15deg); }
}

/* リトライ */
.retry-message {
  background: var(--color-paper);
  padding: 3rem 1.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  animation: fadeIn 0.5s ease-out;
}
.retry-title {
  font-family: var(--font-handwrite);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: var(--color-accent-blue);
  margin: 0 0 1rem;
}
.retry-text {
  font-family: var(--font-klee);
  color: var(--color-ink);
  font-size: 1.1rem;
  line-height: 1.9;
  margin: 0 0 2rem;
}
.hint-toggle, .retry-button {
  display: inline-block;
  padding: 0.8rem 1.75rem;
  margin: 0.5rem 0.5rem;
  background: white;
  border: 2px solid var(--color-accent-blue);
  border-radius: 999px;
  font-family: var(--font-klee);
  color: var(--color-accent-blue);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.25s;
}
.hint-toggle:hover, .retry-button:hover {
  background: var(--color-accent-blue);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(123,149,168,0.35);
}
.retry-button {
  border-color: var(--color-accent-red);
  color: var(--color-accent-red);
}
.retry-button:hover {
  background: var(--color-accent-red);
  box-shadow: 0 6px 14px rgba(201,126,110,0.35);
}

.hint-content {
  margin: 1.5rem auto;
  max-width: 560px;
  padding: 1.5rem 1.75rem;
  background: white;
  border-left: 3px solid var(--color-accent-blue);
  border-radius: 4px;
  text-align: left;
  font-family: var(--font-klee);
  line-height: 2;
  color: var(--color-ink);
  font-size: 0.95rem;
  animation: fadeIn 0.3s;
}
.hint-content p { margin: 0.5rem 0; }

/* ========== 応募フォーム ========== */
.entry-form-section {
  background: var(--color-paper);
  border-radius: 12px;
  padding: 3.5rem 1.75rem;
  box-shadow: var(--shadow-card);
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.form-header { text-align: center; margin-bottom: 2.5rem; }
.form-deadline {
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  font-family: var(--font-klee);
  margin-top: 0.5rem;
}

.entry-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-field {
  margin-bottom: 1.5rem;
  position: relative;
}
.form-field label {
  display: block;
  font-family: var(--font-klee);
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-ink);
  font-size: 0.95rem;
}

.required-mark {
  color: var(--color-accent-red);
  font-weight: 600;
  margin-left: 0.5rem;
  font-size: 0.8rem;
}
.optional-mark {
  color: var(--color-ink-soft);
  font-weight: 400;
  margin-left: 0.5rem;
  font-size: 0.8rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-family: var(--font-body);
  background: white;
  border: 1.5px solid var(--color-ink-soft);
  border-radius: 4px;
  color: var(--color-ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent-red);
  box-shadow: 0 0 0 3px rgba(201,126,110,0.15);
}
.form-field textarea { resize: vertical; min-height: 90px; }

.form-counter {
  position: absolute;
  right: 6px;
  bottom: -18px;
  font-size: 0.75rem;
  color: var(--color-ink-soft);
}

/* 規約タブ */
.terms-section {
  margin: 2.5rem 0 2rem;
  padding: 1.5rem;
  background: var(--color-paper-soft);
  border-radius: 8px;
}
.terms-title {
  font-family: var(--font-handwrite);
  font-size: 1.3rem;
  margin: 0 0 1rem;
  text-align: center;
  color: var(--color-ink);
}

.tab-buttons {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0;
  border-bottom: 2px solid var(--color-ink-soft);
}
.tab-button {
  padding: 0.75rem 1.25rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-family: var(--font-klee);
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--color-ink-soft);
  transition: all 0.25s;
  margin-bottom: -2px;
}
.tab-button.active {
  border-bottom-color: var(--color-accent-red);
  color: var(--color-ink);
  font-weight: 600;
}
.tab-button:hover { color: var(--color-ink); }

.tab-content {
  display: none;
  max-height: 280px;
  overflow-y: auto;
  padding: 1.25rem;
  background: white;
  border: 1px solid var(--color-ink-soft);
  border-top: none;
  border-radius: 0 0 4px 4px;
  font-size: 0.88rem;
  line-height: 1.9;
  white-space: pre-wrap;
  font-family: var(--font-body);
}
.tab-content.active { display: block; }

/* 同意チェック */
.consent-section {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: white;
  border-radius: 4px;
  border: 1.5px solid var(--color-accent-red);
}
.consent-item {
  display: flex;
  align-items: flex-start;
  margin: 0.5rem 0;
  cursor: pointer;
  font-family: var(--font-klee);
  font-size: 0.95rem;
  line-height: 1.6;
}
.consent-item input[type="checkbox"] {
  width: 1.2rem;
  height: 1.2rem;
  margin-right: 0.75rem;
  margin-top: 0.15rem;
  accent-color: var(--color-accent-red);
  cursor: pointer;
  flex-shrink: 0;
}

/* 同意ラッパー */
.consent-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

/* 応募フォームへ進むボタン(同意ゲート) */
.proceed-button {
  display: block;
  width: 100%;
  max-width: 480px;
  margin: 2.5rem auto 0.5rem;
  padding: 1.3rem 2rem;
  background: #CCC;
  color: white;
  border: none;
  border-radius: 8px;
  font-family: var(--font-klee);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-align: center;
  text-decoration: none;
  cursor: not-allowed;
  transition: all 0.3s ease;
  pointer-events: auto;
}
.proceed-button.disabled {
  background: #B8B2A3;
  color: #F2EEE3;
  cursor: not-allowed;
  box-shadow: none;
  opacity: 0.7;
}
.proceed-button.enabled {
  background: linear-gradient(135deg, var(--color-accent-red) 0%, var(--color-gold) 100%);
  cursor: pointer;
  opacity: 1;
  box-shadow: 0 6px 0 var(--color-accent-red-dark), 0 12px 22px rgba(201,126,110,0.35);
  animation: proceed-pulse 2.4s ease-in-out infinite;
}
.proceed-button.enabled:hover {
  transform: translateY(-3px);
  box-shadow: 0 9px 0 var(--color-accent-red-dark), 0 16px 28px rgba(201,126,110,0.45);
}
.proceed-button.enabled:active {
  transform: translateY(2px);
  box-shadow: 0 3px 0 var(--color-accent-red-dark), 0 6px 12px rgba(201,126,110,0.3);
}
@keyframes proceed-pulse {
  0%, 100% { box-shadow: 0 6px 0 var(--color-accent-red-dark), 0 12px 22px rgba(201,126,110,0.35); }
  50%      { box-shadow: 0 6px 0 var(--color-accent-red-dark), 0 14px 32px rgba(184,146,74,0.55); }
}

.proceed-note {
  text-align: center;
  font-family: var(--font-klee);
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  margin: 0.5rem 0 0;
}

/* 完了メッセージ */
.completion-message {
  text-align: center;
  padding: 3rem 1.5rem;
  animation: fadeIn 0.6s ease-out;
}
.completion-message h2 {
  font-family: var(--font-handwrite);
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  color: var(--color-accent-red);
  margin: 0 0 1.5rem;
}
.completion-message p {
  font-family: var(--font-klee);
  color: var(--color-ink);
  line-height: 2;
  margin: 0.5rem 0;
}
.completion-message .poetic {
  margin-top: 2rem;
  font-family: var(--font-mincho);
  font-style: italic;
  color: var(--color-ink-soft);
}

/* シェア */
.share-buttons {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--color-ink-soft);
}
.share-title {
  font-family: var(--font-klee);
  color: var(--color-ink-soft);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.share-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.share-link {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-family: var(--font-klee);
  font-size: 0.9rem;
  color: white;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.share-link:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.15); }
.share-link--x { background: #111; }
.share-link--line { background: #06C755; }
.share-link--fb { background: #1877F2; }

/* ========== キャンペーン詳細 ========== */
.campaign-details {
  background: var(--color-paper);
  border-radius: 12px;
  padding: 3rem 1.75rem;
  box-shadow: var(--shadow-card);
}
.details-list {
  max-width: 640px;
  margin: 2rem auto 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem 1.75rem;
  font-family: var(--font-klee);
  line-height: 1.8;
}
.details-list dt {
  font-weight: 600;
  color: var(--color-wood);
  border-right: 1px dashed var(--color-ink-soft);
  padding-right: 1.5rem;
  white-space: nowrap;
}
.details-list dd { margin: 0; color: var(--color-ink); }

/* ========== フッター ========== */
.site-footer {
  max-width: 100%;
  padding: 3rem 1.5rem 2rem;
  margin: 4rem 0 0;
  background: linear-gradient(180deg, #4A3A2A 0%, #2F241B 100%);
  color: rgba(245,239,224,0.85);
  text-align: center;
  font-family: var(--font-klee);
  border-top: 4px solid var(--color-gold);
}
.footer-logo {
  font-family: var(--font-mincho);
  font-size: 1.75rem;
  letter-spacing: 0.25em;
  color: var(--color-paper);
  margin-bottom: 0.5rem;
}
.footer-sub {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--color-gold-light);
  margin: 0 0 1.5rem;
}
.footer-meta, .footer-address {
  font-size: 0.85rem;
  margin: 0.35rem 0;
}
.footer-copy {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  opacity: 0.6;
  letter-spacing: 0.1em;
}

/* ========== スクロールフェードイン ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  animation: fadeIn 0.6s ease-in-out forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== レスポンシブ ========== */
@media (max-width: 1023px) {
  .prize-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  section { padding: 3.5rem 1rem; }
  .hero { padding: 0; }
  .hero-inner { padding: 2rem 0.75rem 3rem; }
  .hero-keyvisual { border-radius: 0 0 14px 14px; }
  .hero-keyvisual-text { bottom: 5%; width: 94%; }
  .hero-title { letter-spacing: 0.08em; }
  .open-badge-float {
    top: 3%;
    right: 3%;
    padding: 0.55rem 0.85rem;
    gap: 0.3rem;
    transform: rotate(5deg);
  }
  .open-badge-float .open-badge-star { font-size: 0.8rem; }
  .info-cards { grid-template-columns: 1fr; gap: 2rem; }
  .prize-grid { grid-template-columns: 1fr; gap: 1rem; }
  .prize-name { min-height: auto; }
  .question-card { padding: 2rem 1rem 1.5rem; }
  .q-head { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .final-input { gap: 0.6rem; max-width: 520px; }
  .final-char-box { width: 64px; height: 64px; }
  .final-char-box::before { font-size: 2.6rem; }
  .final-char { font-size: 2rem; border-width: 2px; }
  .details-list { grid-template-columns: 1fr; gap: 0.25rem 0; }
  .details-list dt {
    border-right: none;
    border-bottom: 1px dashed var(--color-ink-soft);
    padding: 0.5rem 0 0.25rem;
    margin-top: 0.75rem;
  }
  .details-list dd { padding-bottom: 0.5rem; }
  #progress-indicator { font-size: 0.8rem; padding: 0.4rem 0.85rem; top: 0.5rem; right: 0.5rem; }
  .hero-characters { gap: 0.3rem; }
  .tab-button { padding: 0.6rem 0.8rem; font-size: 0.85rem; }
}

@media (max-width: 400px) {
  .final-input { gap: 0.5rem; }
  .final-char-box { width: 58px; height: 58px; }
  .final-char-box::before { font-size: 2.3rem; }
  .final-char { font-size: 1.8rem; }
}