/* ============================================
   GAMA HALLOWEEN 2026 特設ページ
   ゴシック・ホラー路線（二子玉川ハロウィン参考）
   オレンジ × パープル × ダークグリーン × 黒
   ============================================ */

:root {
  --orange: #F39000;
  --orange-bright: #ffa726;
  --orange-soft: #ffd293;
  --orange-deep: #c46e00;
  --purple: #5e2ca5;
  --purple-deep: #3d1a6f;
  --purple-soft: #8a5cc7;
  --green-dark: #1f5b3a;
  --green-darker: #103325;
  --black: #0d0a08;
  --night: #1a1410;
  --paper: #fdfaf3;
  --text: #fff5e0;
  --text-sub: #c9b896;
  --line: rgba(255, 213, 128, 0.2);
  --blood: #c1272d;
  --blue: #1e6ed4;       /* 蒼色：SATバッジ用 */
  --blue-bright: #4a9eff;

  --font-jp: "RocknRoll One", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-jp-plain: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-horror: "Creepster", "RocknRoll One", "Noto Sans JP", cursive;
  --font-horror-2: "Eater", "Creepster", "RocknRoll One", cursive;
  --font-en: "Poppins", "Inter", sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.halloween-page {
  margin: 0;
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--text);
  /* オレンジ感を強く：ヒーローエリア＝燃えるオレンジ／中盤＝深いオレンジ＋紫／ボトム＝夜闇 */
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(255, 167, 38, 0.55) 0%, transparent 60%),
    radial-gradient(ellipse at 100% 40%, rgba(243, 144, 0, 0.35) 0%, transparent 50%),
    radial-gradient(ellipse at 0% 60%, rgba(196, 110, 0, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(94, 44, 165, 0.3) 0%, transparent 70%),
    linear-gradient(180deg, #2a1605 0%, #4a2510 25%, #5e2c10 50%, #3a1a25 75%, #1a0d20 100%);
  background-attachment: fixed;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* 縦縞ストライプパターン（うっすら） */
.bg-stripes {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.08;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 60px,
    rgba(243, 144, 0, 0.4) 60px,
    rgba(243, 144, 0, 0.4) 62px,
    transparent 62px,
    transparent 120px,
    rgba(94, 44, 165, 0.3) 120px,
    rgba(94, 44, 165, 0.3) 122px
  );
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover { opacity: 0.7; }

ul, ol { margin: 0; padding: 0; list-style: none; }

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
}

/* ============================
   背景装飾（コウモリ、月、星）
   ============================ */
.bg-decoration {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.bat {
  position: absolute;
  font-size: 32px;
  opacity: 0.4;
  filter: brightness(0.5) drop-shadow(0 2px 6px rgba(0,0,0,0.5));
}

.bat-1 { top: 12%; left: 8%; animation: batFly1 18s ease-in-out infinite; }
.bat-2 { top: 30%; right: 15%; font-size: 40px; animation: batFly2 22s ease-in-out infinite; }
.bat-3 { top: 65%; left: 6%; font-size: 26px; animation: batFly3 16s ease-in-out infinite; }
.bat-4 { top: 45%; right: 5%; font-size: 28px; animation: batFly1 20s ease-in-out infinite reverse; animation-delay: 3s; }
.bat-5 { top: 78%; right: 25%; font-size: 36px; animation: batFly2 24s ease-in-out infinite; animation-delay: 5s; }
.bat-6 { top: 88%; left: 40%; font-size: 30px; animation: batFly3 19s ease-in-out infinite reverse; animation-delay: 7s; }

.moon {
  position: absolute;
  top: 6%;
  right: 8%;
  font-size: 80px;
  opacity: 0.95;
  filter: drop-shadow(0 0 30px rgba(255, 220, 100, 0.9)) drop-shadow(0 0 80px rgba(243, 144, 0, 0.6));
  animation: moonGlow 6s ease-in-out infinite;
}

/* おばけ */
.ghost {
  position: absolute;
  font-size: 36px;
  opacity: 0.7;
  filter: drop-shadow(0 4px 12px rgba(255, 255, 255, 0.3));
  animation: ghostFloat 8s ease-in-out infinite;
}
.ghost-1 { top: 22%; left: 18%; font-size: 44px; animation-delay: 0s; }
.ghost-2 { top: 50%; right: 22%; font-size: 32px; animation-delay: 2s; }
.ghost-3 { top: 75%; left: 30%; font-size: 38px; animation-delay: 4s; }

/* 骸骨 */
.skull {
  position: absolute;
  font-size: 32px;
  opacity: 0.65;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
  animation: skullBob 5s ease-in-out infinite;
}
.skull-1 { top: 40%; left: 12%; animation-delay: 1s; }
.skull-2 { top: 70%; right: 12%; font-size: 28px; animation-delay: 3s; }

/* ろうそく（火） */
.candle {
  position: absolute;
  font-size: 28px;
  opacity: 0.9;
  filter: drop-shadow(0 0 20px rgba(255, 167, 38, 0.7));
  animation: candleFlicker 1.5s ease-in-out infinite alternate;
}
.candle-1 { top: 28%; left: 42%; }
.candle-2 { top: 56%; right: 38%; animation-delay: 0.5s; }

/* キャンディ */
.candy {
  position: absolute;
  font-size: 26px;
  opacity: 0.85;
  filter: drop-shadow(0 4px 10px rgba(243, 144, 0, 0.4));
  animation: candySpin 8s linear infinite;
}
.candy-1 { top: 15%; right: 30%; }
.candy-2 { top: 48%; left: 48%; font-size: 30px; animation-delay: 2s; }
.candy-3 { top: 82%; left: 18%; font-size: 22px; animation-delay: 4s; }

/* クモ・クモの巣 */
.spider {
  position: absolute;
  font-size: 28px;
  opacity: 0.55;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.5));
}
.spider-1 {
  top: 8%;
  left: 35%;
  animation: spiderDangle 4s ease-in-out infinite;
  transform-origin: 50% -200px;
}
.spider-2 {
  top: 38%;
  right: 8%;
  font-size: 60px;
  opacity: 0.35;
}

.star {
  position: absolute;
  font-size: 20px;
  color: var(--orange-soft);
  text-shadow: 0 0 8px var(--orange);
  animation: starTwinkle 3s ease-in-out infinite;
}

.star-1 { top: 18%; left: 25%; animation-delay: 0s; }
.star-2 { top: 35%; left: 55%; font-size: 14px; animation-delay: 0.7s; }
.star-3 { top: 60%; right: 30%; font-size: 16px; animation-delay: 1.4s; }
.star-4 { top: 80%; left: 45%; font-size: 12px; animation-delay: 2.1s; }
.star-5 { top: 25%; right: 40%; font-size: 18px; animation-delay: 0.3s; }
.star-6 { top: 90%; right: 18%; font-size: 14px; animation-delay: 1.8s; }

@keyframes ghostFloat {
  0%, 100% { transform: translate(0, 0); opacity: 0.7; }
  50%      { transform: translate(20px, -30px); opacity: 0.9; }
}
@keyframes skullBob {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50%      { transform: translateY(-12px) rotate(3deg); }
}
@keyframes candleFlicker {
  0%   { opacity: 0.7; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1.05); }
}
@keyframes candySpin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes spiderDangle {
  0%, 100% { transform: rotate(-3deg); }
  50%      { transform: rotate(3deg); }
}

@keyframes batFly1 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50%      { transform: translate(80vw, 30px) rotate(15deg); }
}
@keyframes batFly2 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50%      { transform: translate(-70vw, 50px) rotate(-12deg); }
}
@keyframes batFly3 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50%      { transform: translate(60vw, -40px) rotate(20deg); }
}
@keyframes moonGlow {
  0%, 100% { filter: drop-shadow(0 0 30px rgba(255, 220, 100, 0.8)) drop-shadow(0 0 60px rgba(243, 144, 0, 0.4)); }
  50%      { filter: drop-shadow(0 0 45px rgba(255, 220, 100, 1)) drop-shadow(0 0 90px rgba(243, 144, 0, 0.6)); }
}
@keyframes starTwinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.3); }
}

/* ============================
   HEADER
   ============================ */
.halloween-header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  background: rgba(13, 10, 8, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 100;
  overflow: visible;
}

.halloween-header .header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.halloween-header .logo {
  display: flex;
  align-items: center;
  z-index: 2;
}

.logo-img {
  height: 88px;
  width: auto;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(243, 144, 0, 0.4));
}

.back-link {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--text-sub);
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.back-link:hover {
  color: var(--orange);
  border-color: var(--orange);
  opacity: 1;
}

/* ============================
   HERO（フルカバー画像・スクロール時固定パララックス）
   ============================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  padding: 0;
  z-index: 2;
  /* ★EDIT：背景画像パス */
  background-image: url('../assets/halloween2026-main.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;   /* スクロール時に背景固定（パララックス） */
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, transparent 50%, rgba(0, 0, 0, 0.55) 80%, rgba(0, 0, 0, 0.85) 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-overlay-content {
  position: absolute;
  bottom: 6vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  width: 100%;
  padding: 0 32px;
}

/* ヒーローキャッチコピー（大胆＆ワクワク感） */
.hero-catch {
  font-family: var(--font-jp);
  font-weight: 900;
  margin: 0 0 32px;
  line-height: 1.3;
  letter-spacing: 0.06em;
}

.hero-catch > span {
  display: block;
}

.hero-catch-line {
  font-size: clamp(28px, 4.5vw, 52px);   /* 日付と同じサイズ */
  color: white;
  text-shadow:
    0 4px 0 var(--orange-deep),
    0 8px 30px rgba(0, 0, 0, 0.85),
    0 0 40px rgba(0, 0, 0, 0.6);
}

.hero-catch .hero-catch-sub {
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 700;
  color: white;
  margin-top: 16px;
  letter-spacing: 0.08em;
  text-shadow:
    0 3px 0 rgba(0, 0, 0, 0.85),
    0 4px 16px rgba(0, 0, 0, 0.9),
    0 0 24px rgba(0, 0, 0, 0.6);
}

.hero-date {
  font-family: var(--font-en);
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 800;
  color: var(--text);
  margin: 0 0 24px;
  letter-spacing: 0.05em;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.9);
}

.hero-date .day {
  display: inline-block;
  background: transparent;
  color: white;
  padding: 0;
  font-size: 0.55em;
  vertical-align: middle;
  margin-left: 12px;
  letter-spacing: 0.25em;
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.hero-date .time {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.55em;
  font-weight: 700;
  color: var(--orange-soft);
  margin-left: 16px;
  letter-spacing: 0.1em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.hero-countdown {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  background: rgba(13, 10, 8, 0.6);
  border: 1px solid var(--orange);
  padding: 16px 32px;
  border-radius: 999px;
  margin: 0 0 40px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.cd-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.cd-days {
  font-family: var(--font-horror);
  font-size: 48px;
  color: var(--orange);
  font-weight: 400;
  line-height: 1;
  text-shadow: 0 0 20px rgba(243, 144, 0, 0.8);
}

.cd-unit {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.1em;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 36px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 4px;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font-jp-plain);
}

.btn-primary {
  background: var(--orange);
  color: var(--night);
  box-shadow: 0 6px 0 var(--orange-deep), 0 8px 24px rgba(243, 144, 0, 0.4);
}

.btn-primary:hover {
  background: var(--orange-bright);
  transform: translateY(2px);
  box-shadow: 0 4px 0 var(--orange-deep), 0 6px 16px rgba(243, 144, 0, 0.5);
  opacity: 1;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--orange);
}

.btn-ghost:hover {
  background: rgba(243, 144, 0, 0.15);
  border-color: var(--orange-bright);
  color: var(--orange);
  opacity: 1;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ============================
   SECTION COMMON
   ============================ */
.section {
  padding: 140px 0;
  position: relative;
  z-index: 2;
}

.section-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--orange);
  margin: 0 0 16px;
  text-align: center;
  text-transform: uppercase;
  font-weight: 700;
}

.section-title {
  font-family: var(--font-horror-2);
  font-weight: 400;
  font-size: clamp(32px, 6vw, 64px);
  margin: 0 0 32px;
  text-align: center;
  letter-spacing: 0.04em;
  color: var(--orange);
  line-height: 1.3;
  white-space: nowrap;
  text-shadow:
    0 4px 0 var(--orange-deep),
    0 0 30px rgba(243, 144, 0, 0.5);
}

/* モバイル時だけ改行（PCでは無視） */
.sp-br {
  display: none;
}
.catch-sep {
  display: inline;
}
@media (max-width: 600px) {
  .sp-br {
    display: inline;
  }
  .catch-sep {
    display: none;  /* 改行時は全角スペースを消して2行目の先頭余白を回避 */
  }
}

.section-lead {
  text-align: center;
  font-size: 15px;
  color: var(--text-sub);
  max-width: 640px;
  margin: 0 auto 80px;
  line-height: 2;
}

/* ============================
   DATE
   ============================ */
.date-section { padding: 120px 0; }

.date-card {
  background: linear-gradient(135deg, rgba(243, 144, 0, 0.15), rgba(94, 44, 165, 0.15));
  border: 1px solid var(--orange);
  border-radius: 16px;
  padding: 56px 40px;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 30px rgba(243, 144, 0, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.date-main {
  font-family: var(--font-en);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--orange);
  text-shadow: 0 4px 20px rgba(243, 144, 0, 0.5);
  letter-spacing: 0.03em;
}

.date-day {
  display: inline-block;
  font-size: 0.5em;
  color: white;
  background: var(--blue);
  padding: 4px 14px;
  border-radius: 4px;
  margin-left: 12px;
  letter-spacing: 0.2em;
  vertical-align: middle;
  box-shadow: 0 4px 12px rgba(30, 110, 212, 0.6);
}

.date-time {
  font-size: 18px;
  color: var(--text);
  margin: 0 0 16px;
}

.date-time strong {
  color: var(--orange-bright);
  font-weight: 700;
}

.date-note {
  font-size: 12px;
  color: var(--text-sub);
  margin: 0;
  letter-spacing: 0.05em;
}

/* ============================
   ABOUT INTRO（イントロダクション本文）
   ============================ */
.about-intro-section {
  padding: 120px 0;
}

.about-intro-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 8px;
}

.about-intro-body p {
  font-size: 16px;
  line-height: 2.05;
  color: var(--text);
  margin: 0 0 32px;
  letter-spacing: 0.04em;
  text-align: left;
}

.about-intro-body p:last-child { margin-bottom: 0; }

.about-intro-cta,
.about-intro-body p.about-intro-cta {
  font-family: var(--font-jp);
  font-weight: 700 !important;
  color: var(--orange-bright) !important;
  font-size: 17px !important;
  background: rgba(243, 144, 0, 0.08);
  border: 1px solid var(--orange);
  border-radius: 12px;
  padding: 32px 36px !important;
  margin-top: 32px !important;
  line-height: 2.1 !important;
  text-align: center !important;   /* 行こうの文章はセンター配置 */
}

/* PC専用改行（モバイルでは非表示にして自然な折り返しに任せる） */
.br-pc { display: inline; }
@media (max-width: 768px) {
  .br-pc { display: none; }
}

/* ============================
   NEWS
   ============================ */
.news-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.news-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.news-list .news-item:last-child {
  border-bottom: 1px solid var(--line);
}

.news-date {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.news-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.6;
}

.news-text {
  font-size: 14px;
  color: var(--text-sub);
  margin: 0;
  line-height: 1.9;
}

.news-link {
  font-size: 13px;
  color: var(--orange);
  font-weight: 600;
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-link::after { content: "→"; }

/* ============================
   CONTENTS
   ============================ */
.contents-section {
  background: linear-gradient(180deg, transparent, rgba(94, 44, 165, 0.15), transparent);
}

.contents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  max-width: 1080px;
  margin: 0 auto;
}

.content-card {
  background: rgba(13, 10, 8, 0.75);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 40px 32px;
  text-align: center;
  transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  position: relative;
  overflow: hidden;
}

.content-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--purple), var(--orange));
  background-size: 200% 100%;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.content-card:hover {
  transform: translateY(-8px);
  border-color: var(--orange);
  box-shadow: 0 24px 60px rgba(243, 144, 0, 0.2);
}

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

.content-icon {
  font-size: 56px;
  margin-bottom: 24px;
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(243, 144, 0, 0.4));
}

/* コンテンツイラスト枠（プレースホルダ対応） */
.content-illust {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  margin: 0 0 24px;
  background: rgba(243, 144, 0, 0.08);
  border: 1px dashed var(--orange-deep);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-illust img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.content-illust.no-image img { display: none; }

.content-illust.no-image::before {
  content: "ILLUSTRATION";
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--orange-soft);
  letter-spacing: 0.2em;
  font-weight: 600;
  opacity: 0.6;
}

.content-title {
  font-family: var(--font-horror);
  font-weight: 400;
  font-size: 26px;
  margin: 0 0 16px;
  color: var(--orange);
  letter-spacing: 0.05em;
  text-shadow: 0 2px 0 var(--orange-deep);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

/* ティラノは長いので少し小さくしてfit */
.content-tyrano .content-title { font-size: 22px; letter-spacing: 0.03em; }

/* スペシャルゲストは特に長いので2行許可＋小さめ */
.content-special .content-title {
  font-size: 19px;
  letter-spacing: 0.02em;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.content-desc {
  font-size: 14px;
  line-height: 1.95;
  color: var(--text);
  margin: 0 0 16px;
}

.content-note {
  font-size: 12px;
  color: var(--text-sub);
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  letter-spacing: 0.05em;
}

/* アコーディオン（詳細を見る）ボタン */
.content-toggle {
  margin: 20px auto 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: transparent;
  color: var(--orange);
  border: 1px solid var(--orange);
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.content-toggle:hover {
  background: var(--orange);
  color: var(--night);
}

.content-toggle .toggle-icon {
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  transition: transform 0.3s ease;
}

.content-toggle[aria-expanded="true"] .toggle-icon {
  transform: rotate(45deg);
}

.content-toggle[aria-expanded="true"] {
  background: var(--orange);
  color: var(--night);
}

/* アコーディオン展開パネル */
.content-details {
  max-height: 0;
  overflow: hidden;
  margin: 0;
  transition: max-height 0.5s ease, margin-top 0.3s ease, padding 0.3s ease;
  text-align: left;
  width: 100%;
}

.content-details.is-open {
  max-height: 800px;
  margin-top: 20px;
}

.content-details .details-body {
  padding: 20px;
  background: rgba(243, 144, 0, 0.08);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.95;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.content-details .details-empty {
  padding: 16px 20px;
  font-size: 12px;
  color: var(--text-sub);
  text-align: center;
  font-style: italic;
  opacity: 0.7;
}

/* ============================
   TIMETABLE
   ============================ */
.timetable {
  max-width: 760px;
  margin: 0 auto;
  background: rgba(13, 10, 8, 0.6);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.timetable-row {
  display: grid;
  grid-template-columns: 100px 80px 1fr;
  gap: 24px;
  padding: 24px 32px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  transition: background 0.2s ease;
}

/* タイムテーブル イラスト枠 */
.tt-illust {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(243, 144, 0, 0.08);
  border: 1px dashed var(--orange-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.tt-illust img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tt-illust.no-image img { display: none; }

.tt-illust.no-image::before {
  content: "ILL";
  font-family: var(--font-en);
  font-size: 9px;
  color: var(--orange-soft);
  letter-spacing: 0.15em;
  opacity: 0.6;
}

.timetable-row:last-child { border-bottom: none; }

.timetable-row:hover {
  background: rgba(243, 144, 0, 0.06);
}

.tt-time {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: 0.03em;
}

.tt-title {
  font-family: var(--font-jp-plain);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
}

.tt-detail {
  font-size: 13px;
  color: var(--text-sub);
  margin: 0;
  line-height: 1.8;
}

.timetable-note {
  text-align: center;
  font-size: 12px;
  color: var(--text-sub);
  margin: 24px 0 0;
  letter-spacing: 0.05em;
}

/* Coming soon 表示 */
.timetable-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  padding: 64px 32px;
}

.timetable-coming-soon {
  font-family: var(--font-horror);
  font-size: clamp(40px, 6vw, 64px);
  color: var(--orange);
  margin: 0;
  letter-spacing: 0.08em;
  text-shadow: 0 4px 0 var(--orange-deep), 0 0 30px rgba(243, 144, 0, 0.5);
  animation: comingSoonPulse 2.5s ease-in-out infinite;
}

@keyframes comingSoonPulse {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.02); }
}

/* ============================
   VENUE
   ============================ */
.venue-section {
  background: linear-gradient(180deg, transparent, rgba(31, 91, 58, 0.2), transparent);
}

.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  max-width: 1080px;
  margin: 0 auto;
}

.venue-name {
  font-family: var(--font-horror);
  font-weight: 400;
  font-size: 28px;
  color: var(--orange);
  margin: 0 0 32px;
  letter-spacing: 0.05em;
}

.venue-meta {
  margin: 0;
}

.venue-meta > div {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.venue-meta dt {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.venue-meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.8;
}

.venue-map {
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  filter: hue-rotate(-15deg) saturate(0.8);
}

.venue-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ============================
   ENTRY（Google Form リンクボタン）
   ============================ */
.entry-cta {
  text-align: center;
  padding: 24px 0;
}

.btn-large {
  font-size: 19px;
  padding: 26px 56px;
  border-radius: 8px;
}

.entry-note {
  font-size: 12px;
  color: var(--text-sub);
  margin: 20px 0 0;
  letter-spacing: 0.05em;
}

/* 旧 entry-form は使わない（残してもクラスが無ければ無効） */
.entry-form {
  background: rgba(13, 10, 8, 0.75);
  border: 1px solid var(--orange);
  border-radius: 16px;
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 780px;
  margin: 0 auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(243, 144, 0, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.entry-form label {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entry-form span {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.entry-form em {
  display: inline-block;
  margin-left: 8px;
  font-style: normal;
  font-size: 10px;
  color: var(--night);
  background: var(--orange);
  padding: 2px 8px;
  border-radius: 2px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.entry-form input,
.entry-form textarea,
.entry-form select {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}

.entry-form input::placeholder,
.entry-form textarea::placeholder {
  color: rgba(201, 184, 150, 0.5);
}

.entry-form input:focus,
.entry-form textarea:focus,
.entry-form select:focus {
  outline: none;
  border-color: var(--orange);
  background: rgba(243, 144, 0, 0.1);
}

.entry-form select option {
  background: var(--night);
  color: var(--text);
}

.form-checkbox-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-checkbox-group legend {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0 12px;
  background: var(--night);
}

.checkbox-item {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  transition: background 0.2s ease;
}

.checkbox-item:hover { background: rgba(243, 144, 0, 0.1); }

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--orange);
}

.agreement {
  flex-direction: row !important;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(243, 144, 0, 0.05);
  border-radius: 6px;
  border: 1px solid var(--line);
}

.agreement input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--orange);
  margin: 0;
}

.agreement span {
  color: var(--text);
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0.02em;
  font-weight: 500;
}

.entry-form button[type="submit"] {
  margin-top: 16px;
  font-size: 17px;
  padding: 22px 36px;
}

/* ============================
   SPONSORS（協賛企業：トップ同様 ロゴ階層）
   ============================ */
.sponsors-list {
  background: linear-gradient(180deg, transparent, rgba(13, 10, 8, 0.4));
}

.sponsors-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 24px 40px;
  margin: 0 auto 56px;
  max-width: 1000px;
}

.sponsor-item {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.95);
  padding: 24px 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
}

.sponsor-item:hover {
  border-color: var(--orange);
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(243, 144, 0, 0.2);
  opacity: 1;
}

.sponsor-item img {
  display: block;
  object-fit: contain;
}

.sponsor-lg img { height: 72px; width: auto; max-width: 240px; }
.sponsor-md img { height: 56px; width: auto; max-width: 180px; }
.sponsor-sm img { height: 40px; width: auto; max-width: 140px; }

.sponsor-cta-text {
  text-align: center;
  font-size: 14px;
  color: var(--text-sub);
  margin: 24px 0 0;
}

.sponsor-cta-text a {
  color: var(--orange);
  border-bottom: 1px solid var(--orange);
  font-weight: 600;
}

/* 協賛企業募集中（ロゴなしバージョン） */
.sponsor-recruit {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 40px;
  text-align: center;
  background: rgba(243, 144, 0, 0.08);
  border: 2px dashed var(--orange);
  border-radius: 16px;
}

.sponsor-recruit-headline {
  font-family: var(--font-horror);
  font-size: clamp(22px, 3vw, 32px);
  color: var(--orange);
  margin: 0 0 24px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  text-shadow: 0 2px 0 var(--orange-deep);
}

.sponsor-recruit-sub {
  font-size: 15px;
  color: var(--text);
  margin: 0;
  line-height: 1.95;
}

.sponsor-recruit-sub a {
  color: var(--orange);
  font-weight: 700;
  border-bottom: 1px solid var(--orange);
}

@media (max-width: 768px) {
  .sponsors-grid { gap: 16px 24px; }
  .sponsor-lg img { height: 56px; }
  .sponsor-md img { height: 44px; }
  .sponsor-sm img { height: 36px; }
}

/* ============================
   FOOTER（主催・後援 + 戻る + コピーライト）
   ============================ */
.halloween-footer {
  background: rgba(0, 0, 0, 0.85);
  padding: 64px 0 32px;
  text-align: center;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 2;
}

.footer-orgs {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 56px;
  margin: 0 0 40px;
  flex-wrap: wrap;
}

.footer-org {
  text-align: center;
}

.footer-org-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--orange);
  margin: 0 0 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.footer-org-name {
  font-family: var(--font-horror);
  font-weight: 400;
  font-size: 22px;
  color: var(--text);
  margin: 0;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 10px rgba(243, 144, 0, 0.4);
}

.back-to-top {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--orange);
  letter-spacing: 0.1em;
  font-weight: 600;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 4px;
  display: inline-block;
}

.back-to-top:hover { color: var(--orange-bright); opacity: 1; }

.footer-copy {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--text-sub);
  margin: 24px 0 0;
  letter-spacing: 0.1em;
}

/* ============================
   MOBILE
   ============================ */
@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .venue-grid { grid-template-columns: 1fr; gap: 32px; }
  .organizer-grid { grid-template-columns: 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; gap: 16px; }
  .form-checkbox-group { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 96px 0; }
  .date-section { padding: 80px 0; }

  .halloween-header .header-inner { height: 72px; }
  .logo-img { height: 72px; }

  /* モバイルでは fixed は重い／iOS 不安定なので scroll に切替 */
  .hero { background-attachment: scroll; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { padding: 16px 28px; font-size: 14px; }
  .btn-large { font-size: 16px; padding: 22px 36px; }

  .moon { font-size: 56px; }
  .bat { font-size: 24px; }

  .news-item { grid-template-columns: 1fr; gap: 8px; padding: 24px 0; }

  .timetable-row { grid-template-columns: 90px 1fr; padding: 20px 24px; gap: 16px; }
  .tt-time { font-size: 18px; }

  .entry-form { padding: 36px 24px; }
  .date-card { padding: 40px 24px; }
}