:root{
  --red-dark:#3b040b;
  --red:#7d1020;
  --red-bright:#b5283a;
  --gold-dark:#8c6727;
  --gold:#d4ad55;
  --gold-light:#f0d58d;
  --cream:#fff8e8;
  --paper:#fffdf7;
  --ink:#2d211e;
  --muted:#74635e;
  --serif:"Yu Mincho","Hiragino Mincho ProN",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Noto Sans JP",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:linear-gradient(90deg,#1d0206 0,#4b0912 calc(50% - 215px),#f1dfbd calc(50% - 215px),#f1dfbd calc(50% + 215px),#4b0912 calc(50% + 215px),#1d0206 100%);
  color:var(--ink);
  font-family:var(--sans);
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
.iq{width:min(100%,430px);margin:auto;overflow:hidden;background:var(--cream);box-shadow:0 0 60px rgba(0,0,0,.45);padding-top:54px}
.iq-section{position:relative;padding:72px 22px}
.iq-section-head{text-align:center;margin-bottom:28px}
.iq .iq-section-head{text-align:center}
.iq .iq-section-head h2,.iq .iq-section-head h3,.iq .iq-section-head p,.iq .iq-section-head small{text-align:center}
.iq-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:11px;color:var(--red);font-family:var(--serif);font-size:10px;font-weight:900;letter-spacing:.18em}
.iq-kicker:before,.iq-kicker:after{content:"";width:22px;height:1px;background:var(--gold)}
.iq-section-head h2{margin:0;color:var(--red-dark);font-family:var(--serif);font-size:30px;line-height:1.45}
.iq-section-head h2 span{color:var(--red-bright)}
.iq-section-head p{margin:14px auto 0;color:var(--muted);font-size:13px;line-height:1.95}
/* ── 全セクション見出し：既存CSSへの対抗 ── */
.iq h2,.iq h3{text-align:center}
.iq-val-header,.iq-worlds-visual-foot,.iq-seal-visual-foot,.iq-rec-visual-foot{text-align:center}
.iq-val-header h2,.iq-val-header p,.iq-val-header small{text-align:center}
.iq-btn{position:relative;display:flex;align-items:center;justify-content:center;width:100%;min-height:58px;padding:14px 18px;border:1px solid var(--gold);border-radius:10px;background:linear-gradient(135deg,#a51d31,#620914);box-shadow:0 7px 0 #3b050d,0 14px 24px rgba(51,2,10,.24);color:#fff;font-weight:900;letter-spacing:.06em}
.iq-btn:before{content:"";position:absolute;inset:3px;border:1px solid rgba(255,231,172,.35);border-radius:7px}
.iq-btn:active{transform:translateY(4px);box-shadow:0 3px 0 #3b050d,0 9px 18px rgba(51,2,10,.2)}
.iq-btn-light{background:linear-gradient(135deg,#fff8e4,#ead49e);color:var(--red-dark);box-shadow:0 7px 0 #9a742f,0 14px 24px rgba(51,2,10,.22)}
/* ── Header ── */
.iq-header{
  position:fixed;z-index:60;top:0;left:0;right:0;
  width:min(100%,430px);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:54px;padding:0 16px;
  background:#fff;
  border-bottom:1px solid rgba(196,154,50,.22);
  box-shadow:0 2px 12px rgba(0,0,0,.09);
}
.iq-logo{display:block;text-decoration:none;line-height:0}
.iq-logo img{height:28px;width:auto;display:block}
/* 共通ボタンスタイル */
.iq-header-btn{
  padding:7px 16px;
  border:1px solid rgba(140,20,30,.45);border-radius:999px;
  background:transparent;
  color:var(--red-dark);font-size:10px;font-weight:700;letter-spacing:.06em;
  text-decoration:none;cursor:pointer;
  transition:background .18s,color .18s;
  white-space:nowrap;
}
.iq-header-btn:active{background:var(--red);color:#fff}
/* ログアウトはデフォルト非表示 */
.iq-header-logout{display:none}
/* ログイン状態 */
.iq-header.is-loggedin .iq-header-login{display:none}
.iq-header.is-loggedin .iq-header-logout{display:block}
/* ── Hero：画像ベースレイアウト ── */
.iq-hero{position:relative}
.iq-hero-img{width:100%;display:block;vertical-align:top}

/* 3D フロート */
@keyframes iqCtaFloat{
  0%,100%{transform:translateX(-50%) translateY(0px) rotateX(0deg) scale(1);filter:drop-shadow(0 7px 22px rgba(185,115,35,.52))}
  50%{transform:translateX(-50%) translateY(-9px) rotateX(3deg) scale(1.018);filter:drop-shadow(0 22px 40px rgba(225,165,50,.78))}
}
/* キラキラ粒子 */
@keyframes iqSparkle{
  0%  {opacity:0;transform:scale(0) rotate(0deg) translateY(0)}
  20% {opacity:1;transform:scale(1) rotate(90deg) translateY(-6px)}
  75% {opacity:.75;transform:scale(.65) rotate(215deg) translateY(-18px)}
  100%{opacity:0;transform:scale(0) rotate(375deg) translateY(-30px)}
}
/* 星形スパーク */
@keyframes iqStarSpark{
  0%  {opacity:0;transform:scale(0) rotate(-20deg)}
  25% {opacity:1;transform:scale(1.1) rotate(10deg)}
  70% {opacity:.8;transform:scale(.7) rotate(30deg) translateY(-14px)}
  100%{opacity:0;transform:scale(0) rotate(60deg) translateY(-26px)}
}


.iq-hero-cta{
  position:absolute;bottom:52px;left:50%;
  display:block;width:90%;
  text-decoration:none;cursor:pointer;
  animation:iqCtaFloat 3.4s ease-in-out infinite;
  transform-style:preserve-3d;
}
.iq-hero-cta:active{animation-play-state:paused;opacity:.86}

.iq-hero-cta-img{width:100%;display:block}

/* キラキラ粒子（円形） */
.iq-hero-spark{
  position:absolute;border-radius:50%;
  pointer-events:none;z-index:10;
  background:radial-gradient(circle,#fff 0%,rgba(255,225,100,.9) 38%,transparent 72%);
  animation:iqSparkle linear forwards;
}
/* 星形スパーク */
.iq-hero-star{
  position:absolute;pointer-events:none;z-index:10;
  color:rgba(255,228,110,.95);font-size:10px;line-height:1;
  text-shadow:0 0 5px rgba(255,200,50,.8);
  animation:iqStarSpark linear forwards;
}

.iq-hero-cta-text{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:5px;pointer-events:none;z-index:4;
}
.iq-hero-cta-sub{
  display:block;font-family:var(--serif);font-size:12px;font-weight:700;
  letter-spacing:.15em;color:rgba(255,255,255,.93);
  text-shadow:0 1px 5px rgba(0,0,0,.92);
}
.iq-hero-cta-main{
  display:block;font-family:var(--serif);font-size:20px;font-weight:900;
  letter-spacing:.07em;color:#fff;
  text-shadow:0 1px 8px rgba(0,0,0,.92);
}

/* ── Recommend（TODAY'S PICK）── */
.iq-recommend.iq-section{padding:0 0 48px}
.iq-recommend{background:linear-gradient(180deg,#3d0710,#6e0e1c);color:#fff}
/* ヒーローとの境界線 */
.iq-recommend::before{
  content:"";display:block;height:4px;
  background:linear-gradient(90deg,transparent,var(--gold) 30%,var(--gold-light) 50%,var(--gold) 70%,transparent);
}
.iq-recommend .iq-kicker{color:var(--gold-light)}
/* 挿絵ビジュアル */
.iq-rec-visual{position:relative}
.iq-rec-img{width:100%;display:block;vertical-align:top}
.iq-rec-visual-foot{
  position:absolute;bottom:0;left:0;right:0;
  /* padding-bottomを大きくとってアイコンリングとの重なりを防ぐ */
  padding:52px 22px 88px;
  background:linear-gradient(transparent,rgba(61,7,16,.95));
}
.iq-rec-visual-foot .iq-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:9px;font-size:10px;font-weight:900;letter-spacing:.18em}
.iq-rec-visual-foot h2{margin:0;font-family:var(--serif);font-size:27px;color:#fff;line-height:1.35}
.iq-rec-visual-foot h2 span{color:var(--gold-light)}
/* ピックボディ：装飾フレーム */
.iq-rec-body{
  position:relative;
  margin:0 18px 0;
  padding:68px 24px 28px;
  text-align:center;
  border:1px solid var(--gold);
  border-radius:20px;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(0,0,0,.18));
  box-shadow:0 28px 55px rgba(25,0,5,.4);
}
/* 内側インセットライン */
.iq-rec-body::before{
  content:"";position:absolute;inset:5px;
  border:1px solid rgba(255,231,172,.2);
  border-radius:15px;pointer-events:none;
}
/* アイコンリング：フレーム上端にオーバーラップ */
.iq-rec-icon-wrap{
  position:absolute;top:-56px;left:50%;transform:translateX(-50%);
  width:112px;height:112px;border-radius:50%;
  border:2px solid var(--gold);
  background:radial-gradient(circle at 50% 38%,rgba(212,173,85,.2),rgba(59,4,11,.82));
  /* shadow の色をセクション背景に合わせてアイコンを浮かせる */
  box-shadow:0 0 0 6px #3d0710,0 0 0 8px var(--gold-dark),0 14px 34px rgba(0,0,0,.55);
  overflow:hidden;display:grid;place-items:center;z-index:5;
}
.iq-rec-icon-img{width:76px;height:76px;object-fit:contain;display:block}
/* ジャンル情報 */
.iq-rec-genre-label{display:block;color:var(--gold-light);font-family:var(--serif);font-size:9px;font-weight:900;letter-spacing:.22em;margin-bottom:7px}
.iq-rec-genre-name{margin:0 0 11px;font-family:var(--serif);font-size:30px;color:#fff;line-height:1.3}
.iq-rec-genre-desc{margin:0 0 22px;color:#f0d8d5;font-size:12px;line-height:1.95}
/* シャッフルボタン */
.iq-rec-shuffle{
  display:inline-block;margin-top:14px;
  border:0;border-bottom:1px solid rgba(212,173,85,.5);
  background:transparent;color:var(--gold-light);
  font-size:11px;font-family:var(--serif);cursor:pointer;letter-spacing:.08em;
  padding:0 0 1px;
}
.iq-rec-shuffle:hover{color:#fff}
/* 切り替えフェード */
@keyframes iqPickFade{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
.iq-rec-entering{animation:iqPickFade .32s ease forwards}
/* ── Value Section (About This Hall) ── */
/* ── Value Section (About This Hall) ── */
.iq-value.iq-section{padding:0 0 52px}
.iq-value{background:var(--cream)}

/* ダークヘッダー */
.iq-val-header{
  padding:34px 22px 30px;
  background:linear-gradient(160deg,#3d0710,#6a0d1a);
  text-align:center;
  /* 上下に極細ゴールドライン */
  border-top:1px solid rgba(212,173,85,.35);
  border-bottom:1px solid rgba(212,173,85,.35);
}
.iq-val-header .iq-kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  color:var(--gold-light);font-size:10px;font-weight:900;letter-spacing:.18em;
}
.iq-val-header .iq-kicker:before,.iq-val-header .iq-kicker:after{content:"";width:22px;height:1px;background:var(--gold)}
.iq-val-header h2{margin:0;font-family:var(--serif);font-size:28px;color:#fff;line-height:1.4}
.iq-val-header h2 span{color:var(--gold-light)}
/* h2下のオーナメントライン */
.iq-val-ornament{
  display:block;margin:12px auto 10px;
  color:var(--gold);font-size:11px;letter-spacing:.4em;
}
.iq-val-header p{margin:0;color:rgba(255,240,210,.68);font-size:12px;line-height:1.85}

/* 全体表示の画像 */
.iq-val-visual{position:relative}
.iq-val-img{width:100%;display:block;vertical-align:top}

/* フローティングパネル：画像底面に重なって浮く */
.iq-val-panel{
  position:relative;z-index:2;
  margin:-52px 16px 0;padding:8px;
  border:1px solid var(--gold);border-radius:20px;
  /* ドット地模様 + グラデーション */
  background:
    radial-gradient(circle,rgba(212,173,85,.07) 1px,transparent 1px) 0 0/16px 16px,
    linear-gradient(150deg,#fffef8,#f0e2c5);
  box-shadow:0 22px 52px rgba(30,0,8,.36),0 0 0 1px rgba(212,173,85,.22);
}
/* 内側インセットライン */
.iq-val-panel::before{
  content:"";position:absolute;inset:5px;
  border:1px solid rgba(200,158,75,.26);
  border-radius:15px;pointer-events:none;z-index:0;
}
/* 4隅コーナーブラケット（純CSS） */
.iq-val-panel::after{
  content:"";position:absolute;inset:3px;pointer-events:none;
  border-radius:17px;
  background:
    linear-gradient(var(--gold-light),var(--gold-light)) top 11px left 11px/18px 1px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) top 11px left 11px/1px 18px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) top 11px right 11px/18px 1px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) top 11px right 11px/1px 18px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) bottom 11px left 11px/18px 1px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) bottom 11px left 11px/1px 18px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) bottom 11px right 11px/18px 1px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) bottom 11px right 11px/1px 18px no-repeat;
  opacity:.55;
}

/* パネル内アイテム */
.iq-val-item{
  position:relative;
  display:grid;grid-template-columns:48px 1fr;
  align-items:center;gap:15px;
  padding:16px 14px;
  border-bottom:1px solid rgba(188,150,78,.16);
  z-index:1;
}
.iq-val-item:last-child{border-bottom:0}
/* 仕切り中央のダイヤモンドマーク */
.iq-val-item:not(:last-child)::after{
  content:"◆";
  position:absolute;bottom:-7px;left:50%;transform:translateX(-50%);
  font-size:7px;color:var(--gold-dark);
  background:linear-gradient(150deg,#fffef8,#f0e2c5);
  padding:0 5px;z-index:2;line-height:1;
}

/* 番号バッジ */
@keyframes iqValBadgeGlow{
  0%,100%{box-shadow:0 4px 14px rgba(100,5,20,.28)}
  50%{box-shadow:0 4px 14px rgba(100,5,20,.28),0 0 16px rgba(200,80,80,.3)}
}
.iq-val-num{
  display:grid;place-items:center;
  width:48px;height:48px;flex-shrink:0;
  border-radius:50%;
  background:linear-gradient(135deg,var(--red-bright),var(--red-dark));
  border:1.5px solid var(--gold);
  box-shadow:0 4px 14px rgba(100,5,20,.28);
  color:var(--gold-light);font-family:var(--serif);font-size:13px;font-weight:900;
  animation:iqValBadgeGlow 2.8s ease-in-out infinite;
}
.iq-val-item:nth-child(2) .iq-val-num{animation-delay:.7s}
.iq-val-item:nth-child(3) .iq-val-num{animation-delay:1.4s}
.iq-val-item:nth-child(4) .iq-val-num{animation-delay:2.1s}

/* コンテンツ */
.iq-val-content strong{
  display:block;font-family:var(--serif);font-size:15px;
  color:var(--red-dark);margin-bottom:4px;
}
/* タイトル前の金矢印 */
.iq-val-content strong::before{
  content:"› ";color:var(--gold-dark);font-size:16px;font-weight:900;
}
.iq-val-content p{margin:0;font-size:11px;color:var(--muted);line-height:1.88}
/* ── OPEN DOORS ── */
.iq-worlds{
  position:relative;overflow:hidden;
  background:
    /* 天井からの淡い光 */
    radial-gradient(ellipse 95% 22% at 50% 0%,rgba(255,206,120,.14),transparent),
    /* 石壁のダイヤ格子 */
    repeating-linear-gradient(45deg,rgba(255,214,140,.035) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(-45deg,rgba(255,214,140,.035) 0 1px,transparent 1px 26px),
    /* 床の陰 */
    radial-gradient(ellipse 120% 26% at 50% 100%,rgba(6,0,1,.55),transparent),
    linear-gradient(180deg,#1e0205,#4b0912 52%,#220207);
  color:#fff;
}
/* 挿絵ビジュアル：full-bleed で section の padding を相殺 */
.iq-worlds-visual{
  position:relative;
  margin:-72px -22px 26px;
}
.iq-worlds-img{width:100%;display:block;vertical-align:top}
.iq-worlds-visual-foot{
  position:absolute;bottom:0;left:0;right:0;
  padding:60px 22px 26px;
  background:linear-gradient(transparent,rgba(22,2,6,.95));
  text-align:center;
}
.iq-worlds-visual-foot .iq-kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;
  color:var(--gold-light);font-size:10px;font-weight:900;letter-spacing:.18em;
}
.iq-worlds-visual-foot .iq-kicker::before,
.iq-worlds-visual-foot .iq-kicker::after{content:"";width:22px;height:1px;background:var(--gold)}
.iq-worlds-visual-foot h2{
  margin:0 0 10px;font-family:var(--serif);font-size:26px;color:#fff;line-height:1.4;
}
.iq-worlds-visual-foot h2 span{color:var(--gold-light)}
.iq-worlds-visual-foot p{
  margin:0;color:rgba(255,228,210,.72);font-size:11px;line-height:1.88;
}
.iq-worlds .iq-kicker{color:var(--gold-light)}

/* スクロールトレイ */
.iq-door-scroll{
  display:flex;gap:14px;
  margin:0 -22px;padding:8px 22px 36px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.iq-door-scroll::-webkit-scrollbar{display:none}

/* カード基本 ─ 石アーチに嵌る重厚な扉 */
.iq-door-card{
  position:relative;
  width:66vw;max-width:252px;min-width:200px;height:368px;
  flex-shrink:0;overflow:hidden;
  /* アーチ：上辺を楕円カーブ */
  border-radius:50% 50% 9px 9px / 18% 18% 9px 9px;
  /* 金の縁取り（外枠） */
  border:1px solid rgba(226,188,96,.72);
  scroll-snap-align:center;
  text-decoration:none;color:#fff;
  box-shadow:
    /* 外側：床への落ち影を二段で */
    0 26px 60px rgba(6,0,2,.62),
    0 8px 22px rgba(6,0,2,.42),
    /* 金縁の外側ハイライト */
    0 0 0 1px rgba(255,226,142,.1),
    /* 内側：左右から彫り込む陰＝厚みの表現 */
    inset 5px 0 20px rgba(0,0,0,.5),
    inset -5px 0 20px rgba(0,0,0,.5),
    /* アーチ内側の陰 */
    inset 0 7px 24px rgba(0,0,0,.44),
    /* 敷居の重み */
    inset 0 -9px 26px rgba(0,0,0,.48);
  transition:transform .22s ease,box-shadow .22s ease;
}
.iq-door-card:active{transform:scale(.968)}
/* 内側の金モール（面取り付き） */
.iq-door-card::before{
  content:"";position:absolute;inset:8px;
  z-index:3;pointer-events:none;
  border:1px solid rgba(226,188,96,.44);
  border-radius:50% 50% 6px 6px / 18% 18% 6px 6px;
  /* 上明・下暗のベベルで彫刻感 */
  box-shadow:
    inset 0 1px 0 rgba(255,238,166,.24),
    inset 0 -1px 0 rgba(0,0,0,.46),
    0 1px 0 rgba(0,0,0,.4);
}
/* 照明 ＋ 鋲打ち（扉本体と一緒に動かない固定レイヤー） */
.iq-door-card::after{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background-image:
    /* アーチ頂点から差す光 */
    radial-gradient(ellipse 62% 30% at 50% 3%,rgba(255,232,168,.22),transparent 68%),
    /* 円柱状の左右陰＝扉のふくらみ */
    linear-gradient(90deg,
      rgba(0,0,0,.5) 0%,rgba(0,0,0,.12) 15%,
      transparent 36%,transparent 64%,
      rgba(0,0,0,.12) 85%,rgba(0,0,0,.5) 100%),
    /* 上下の締め */
    linear-gradient(180deg,rgba(0,0,0,.3) 0%,transparent 20%,transparent 58%,rgba(0,0,0,.34) 100%),
    /* 鋲：左列 */
    radial-gradient(circle at 50% 50%,
      rgba(250,222,150,.95) 0 1.5px,
      rgba(148,102,22,.92) 1.5px 2.4px,
      rgba(0,0,0,.55) 2.4px 3.2px,transparent 3.4px),
    /* 鋲：右列 */
    radial-gradient(circle at 50% 50%,
      rgba(250,222,150,.95) 0 1.5px,
      rgba(148,102,22,.92) 1.5px 2.4px,
      rgba(0,0,0,.55) 2.4px 3.2px,transparent 3.4px);
  background-size:100% 100%,100% 100%,100% 100%,7px 44px,7px 44px;
  background-position:0 0,0 0,0 0,17px 60px,calc(100% - 17px) 60px;
  background-repeat:no-repeat,no-repeat,no-repeat,repeat-y,repeat-y;
}

/* 背景レイヤー ＝ 扉の材質 */
.iq-door-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transition:transform .78s cubic-bezier(.25,.46,.45,.94);
  will-change:transform;
}
.iq-door-card:hover .iq-door-bg,.iq-door-card:focus .iq-door-bg{transform:scale(1.05)}
/* 木目・石肌のテクスチャ */
.iq-door-bg::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    /* 木目：太さの違う縦線を不規則に */
    repeating-linear-gradient(90deg,
      rgba(0,0,0,.17) 0 1px,transparent 1px 7px,
      rgba(0,0,0,.1) 7px 8px,transparent 8px 19px,
      rgba(255,255,255,.035) 19px 20px,transparent 20px 33px,
      rgba(0,0,0,.13) 33px 34px,transparent 34px 47px),
    /* 微細な斜めノイズ */
    repeating-linear-gradient(58deg,
      rgba(255,255,255,.022) 0 1px,transparent 1px 4px);
}

/* アーチの頂点キーストーン ＝ 彫り込まれた菱形石 */
.iq-door-keystone{
  position:absolute;top:6px;left:50%;transform:translateX(-50%);
  z-index:5;display:grid;place-items:center;
  width:20px;height:20px;
  color:#f7e0a6;font-size:8px;line-height:1;
  text-shadow:0 0 9px rgba(242,202,92,.85),0 1px 0 rgba(0,0,0,.7);
}
.iq-door-keystone::before{
  content:"";position:absolute;inset:1px;z-index:-1;
  transform:rotate(45deg);
  border:1px solid rgba(226,188,96,.55);
  background:linear-gradient(145deg,rgba(96,66,18,.85),rgba(38,22,5,.9));
  box-shadow:inset 0 1px 0 rgba(255,238,160,.22),0 2px 6px rgba(0,0,0,.55);
}

/* ラベル ─ 彫刻された真鍮プレート */
.iq-door-label{
  position:absolute;top:30px;left:50%;transform:translateX(-50%);
  white-space:nowrap;z-index:5;
  padding:5px 15px;
  border:1px solid rgba(226,188,96,.62);border-radius:2px;
  /* 真鍮の艶：上下に光の帯 */
  background:linear-gradient(180deg,
    rgba(92,64,18,.94) 0%,
    rgba(56,36,9,.95) 46%,
    rgba(74,50,13,.94) 100%);
  color:#f5dfa4;font-family:var(--serif);font-size:9px;
  font-weight:900;letter-spacing:.22em;
  text-shadow:0 1px 0 rgba(0,0,0,.85),0 0 8px rgba(242,202,92,.32);
  box-shadow:
    0 3px 11px rgba(0,0,0,.58),
    inset 0 1px 0 rgba(255,238,160,.3),
    inset 0 -1px 0 rgba(0,0,0,.52);
}

/* 扉パネルの仕切り ＝ 彫り込みモール */
.iq-door-divider{
  position:absolute;left:17px;right:17px;top:39%;height:3px;z-index:4;
  /* 陰→金→ハイライトの3層で凹凸を出す */
  background:linear-gradient(180deg,
    rgba(0,0,0,.55) 0 1px,
    rgba(226,188,96,.5) 1px 2px,
    rgba(255,238,166,.2) 2px 3px);
}
.iq-door-divider::before,.iq-door-divider::after{
  content:"";position:absolute;top:-4px;width:9px;height:9px;
  border:1px solid rgba(226,188,96,.55);border-radius:50%;
  background:radial-gradient(circle at 40% 34%,rgba(240,206,124,.5),rgba(22,4,8,.95) 66%);
  box-shadow:0 1px 3px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,238,160,.2);
}
.iq-door-divider::before{left:-1px}
.iq-door-divider::after{right:-1px}

/* ドアノブ ＝ 台座プレート付き */
.iq-door-handle{
  position:absolute;right:23px;top:calc(39% + 26px);z-index:5;
  width:8px;height:24px;border-radius:4px;
  background:linear-gradient(100deg,
    rgba(255,232,148,.95) 0%,
    rgba(226,180,58,.95) 32%,
    rgba(140,96,16,.95) 72%,
    rgba(96,64,10,.95) 100%);
  border:1px solid rgba(232,192,72,.6);
  box-shadow:0 3px 9px rgba(0,0,0,.58),inset 0 1px 0 rgba(255,244,180,.4);
}
/* 台座（エスカッシャン） */
.iq-door-handle::before{
  content:"";position:absolute;left:50%;top:50%;z-index:-1;
  transform:translate(-50%,-50%);
  width:26px;height:44px;border-radius:5px;
  background:linear-gradient(145deg,rgba(112,78,22,.6),rgba(36,20,4,.72));
  border:1px solid rgba(226,188,96,.34);
  box-shadow:0 3px 8px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,238,160,.16);
}
/* ノブ頭 */
.iq-door-handle::after{
  content:"";position:absolute;top:-7px;left:50%;transform:translateX(-50%);
  width:15px;height:8px;border-radius:50%;
  background:linear-gradient(160deg,
    rgba(255,236,158,.95),rgba(214,168,48,.95) 48%,rgba(120,82,12,.95));
  border:1px solid rgba(226,186,64,.55);
  box-shadow:0 2px 6px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,246,190,.45);
}

/* テキストエリア */
.iq-door-content{
  position:absolute;bottom:0;left:0;right:0;z-index:4;
  padding:56px 17px 19px;
  background:linear-gradient(
    transparent,
    rgba(14,1,3,.5) 26%,
    rgba(24,1,5,.86) 52%,
    rgba(30,1,6,.97) 100%
  );
}
/* テキスト上端の金ヘアライン */
.iq-door-content::before{
  content:"";position:absolute;top:42px;left:17px;right:17px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(226,188,96,.5) 30%,rgba(226,188,96,.5) 70%,transparent);
}
.iq-door-content small{
  display:block;color:var(--gold-light);
  font-family:var(--serif);font-size:9px;font-weight:900;
  letter-spacing:.2em;margin-bottom:6px;
  text-shadow:0 0 10px rgba(242,202,92,.3);
}
.iq-door-content h3{
  margin:0 0 8px;font-family:var(--serif);font-size:22px;line-height:1.3;
  text-shadow:0 2px 8px rgba(0,0,0,.7);
}
.iq-door-content p{margin:0 0 14px;color:rgba(255,228,212,.78);font-size:11px;line-height:1.85}
.iq-door-cta{
  display:inline-flex;align-items:center;gap:4px;
  color:var(--gold-light);font-family:var(--serif);
  font-size:10px;font-weight:700;letter-spacing:.07em;
  border-bottom:1px solid rgba(226,188,96,.5);padding-bottom:1px;
}

/* 歴史の回廊：奥へ続く煉瓦アーチの古回廊 */
.iq-door-history .iq-door-bg{
  background-color:#4a1508;
  background-image:
    /* 回廊の奥に灯る光源 */
    radial-gradient(ellipse 40% 24% at 50% 32%,rgba(255,216,136,.44),rgba(196,116,38,.16) 56%,transparent 76%),
    /* 遠近で小さくなるアーチ（同心の輪郭線） */
    radial-gradient(ellipse 24% 32% at 50% 44%,transparent 95%,rgba(255,204,126,.16) 96%,transparent 100%),
    radial-gradient(ellipse 36% 44% at 50% 46%,transparent 95%,rgba(255,204,126,.11) 96%,transparent 100%),
    radial-gradient(ellipse 50% 56% at 50% 48%,transparent 95%,rgba(255,204,126,.075) 96%,transparent 100%),
    /* 煉瓦の横目地 */
    repeating-linear-gradient(0deg,rgba(28,7,2,.3) 0 1px,transparent 1px 16px),
    /* 煉瓦の縦目地 */
    repeating-linear-gradient(90deg,rgba(28,7,2,.2) 0 1px,transparent 1px 27px),
    linear-gradient(172deg,#8a3c16 0%,#5c1c0a 30%,#340707 62%,#1a0304 100%);
}
/* 科学観測室：星降る天球と観測儀 */
.iq-door-science .iq-door-bg{
  background-color:#0a1c2c;
  background-image:
    /* 星々 */
    radial-gradient(circle 1px at 21% 17%,rgba(226,242,255,.95),transparent),
    radial-gradient(circle 1.3px at 67% 11%,rgba(200,230,255,.85),transparent),
    radial-gradient(circle .8px at 41% 25%,rgba(255,255,255,.75),transparent),
    radial-gradient(circle 1px at 81% 30%,rgba(190,225,255,.8),transparent),
    radial-gradient(circle .9px at 13% 37%,rgba(220,240,255,.65),transparent),
    radial-gradient(circle 1.1px at 55% 8%,rgba(210,236,255,.7),transparent),
    /* 天球のグロー */
    radial-gradient(ellipse 46% 28% at 50% 22%,rgba(126,206,224,.34),transparent 70%),
    /* 観測儀の同心円 */
    repeating-radial-gradient(circle at 50% 40%,transparent 0 40px,rgba(102,182,202,.09) 40px 41px,transparent 41px 42px),
    linear-gradient(172deg,#1a4458 0%,#0d2436 34%,#061420 66%,#02070f 100%);
}
/* 映画劇場：緞帳とスポットライト */
.iq-door-movie .iq-door-bg{
  background-color:#3a0610;
  background-image:
    /* 舞台を照らすスポット */
    radial-gradient(ellipse 40% 28% at 50% 22%,rgba(255,208,120,.34),transparent 68%),
    /* 緞帳のドレープ（縦の明暗の襞） */
    repeating-linear-gradient(90deg,
      rgba(0,0,0,.36) 0 3px,
      rgba(156,28,44,.14) 3px 9px,
      rgba(0,0,0,.22) 9px 15px,
      transparent 15px 23px),
    /* 舞台床の反射 */
    radial-gradient(ellipse 60% 14% at 50% 88%,rgba(255,190,100,.1),transparent 70%),
    linear-gradient(172deg,#6b1420 0%,#450a14 34%,#26030a 66%,#120104 100%);
}
/* ゲームの遊戯室：魔法陣が浮かぶ紫紺の間 */
.iq-door-game .iq-door-bg{
  background-color:#180a32;
  background-image:
    /* 浮遊する光の粒 */
    radial-gradient(circle 1.4px at 29% 33%,rgba(198,168,255,.85),transparent),
    radial-gradient(circle 1.1px at 71% 27%,rgba(140,240,204,.75),transparent),
    radial-gradient(circle 1px at 46% 18%,rgba(220,196,255,.7),transparent),
    /* 魔法陣のグロー */
    radial-gradient(ellipse 44% 26% at 50% 26%,rgba(168,124,240,.36),transparent 68%),
    /* 魔法陣の輪 */
    repeating-radial-gradient(circle at 50% 42%,transparent 0 46px,rgba(158,118,238,.13) 46px 47px,transparent 47px 48px),
    /* 斜めの格子 */
    repeating-linear-gradient(135deg,rgba(94,52,156,.16) 0 1px,transparent 1px 25px),
    linear-gradient(172deg,#3a1a70 0%,#1f0d42 34%,#100624 66%,#050211 100%);
}

/* ── SPECIAL CHALLENGE section ── */
.iq-seal-game{
  position:relative;overflow:hidden;
  padding:14px 16px 24px;
  background:
    /* 頂部ゴールドグロー */
    radial-gradient(ellipse 80% 30% at 50% 0%,rgba(240,195,62,.18),transparent),
    /* 底辺ビネット */
    radial-gradient(ellipse 100% 40% at 50% 100%,rgba(10,0,2,.55),transparent),
    /* ダイヤモンド格子パターン（素材感） */
    repeating-linear-gradient(
      45deg,
      rgba(255,228,140,.055) 0px, rgba(255,228,140,.055) 1px,
      transparent 1px, transparent 22px
    ),
    repeating-linear-gradient(
      -45deg,
      rgba(255,228,140,.055) 0px, rgba(255,228,140,.055) 1px,
      transparent 1px, transparent 22px
    ),
    /* クリムゾンレッドベース */
    linear-gradient(180deg,#7a1020,#641019 40%,#50090f);
  color:#fff;
}
.iq-seal-game::before{
  content:"";display:block;height:3px;margin:-14px -16px 14px;
  background:linear-gradient(90deg,transparent,var(--gold) 30%,var(--gold-light) 50%,var(--gold) 70%,transparent);
}
.iq-seal-game::after{
  content:"";
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 60% 55% at 0% 50%,rgba(22,2,6,.45),transparent),
    radial-gradient(ellipse 60% 55% at 100% 50%,rgba(22,2,6,.4),transparent);
}
.iq-seal-game .iq-kicker{color:var(--gold-light)}
/* ── 挿絵ビジュアルヘッダー ── */
.iq-seal-visual{position:relative;margin:-18px -16px 16px}
.iq-seal-visual-img{width:100%;display:block}
.iq-seal-visual-foot{
  position:absolute;bottom:0;left:0;right:0;
  padding:70px 22px 26px;
  background:linear-gradient(transparent,rgba(16,1,5,.96));
  text-align:center;
}
.iq-seal-visual-foot .iq-kicker{
  display:block;margin-bottom:10px;
  color:var(--gold-light);font-family:var(--serif);font-size:10px;font-weight:900;letter-spacing:.22em;
}
.iq-seal-visual-foot h2{
  margin:0;font-family:var(--serif);font-size:26px;color:#fff;line-height:1.42;
}
.iq-seal-visual-foot h2 span{color:var(--gold-light)}
/* ── SEAL FRAME & FACE ── */
@keyframes sealGlowPulse{
  0%,100%{box-shadow:0 34px 75px rgba(8,0,2,.62),0 0 0 2px rgba(212,173,85,.38)}
  50%{box-shadow:0 34px 75px rgba(8,0,2,.62),0 0 0 2px rgba(212,173,85,.7),0 0 42px rgba(212,173,85,.15)}
}
@keyframes sealRingRotate{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes sealMarkPulse{0%,100%{opacity:.82;transform:scale(1)}50%{opacity:1;transform:scale(1.07)}}

/* 外枠フレーム（金グラデーションボーダー） */
.iq-seal-frame{
  position:relative;z-index:1;
  padding:4px;
  border-radius:28px;
  background:linear-gradient(148deg,rgba(235,192,65,.9),rgba(155,112,25,.65) 38%,rgba(235,192,65,.85) 68%,rgba(190,148,42,.7));
  animation:sealGlowPulse 5.5s ease-in-out infinite;
}
/* 四隅コーナーブラケット（CSS純正） */
.iq-seal-frame::before{
  content:"";position:absolute;inset:11px;
  border-radius:22px;pointer-events:none;z-index:0;
  background:
    linear-gradient(var(--gold-light),var(--gold-light)) top 16px left 16px/26px 1.5px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) top 16px left 16px/1.5px 26px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) top 16px right 16px/26px 1.5px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) top 16px right 16px/1.5px 26px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) bottom 16px left 16px/26px 1.5px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) bottom 16px left 16px/1.5px 26px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) bottom 16px right 16px/26px 1.5px no-repeat,
    linear-gradient(var(--gold-light),var(--gold-light)) bottom 16px right 16px/1.5px 26px no-repeat;
  opacity:.48;
}
/* フレーム頂点クレスト */
.iq-seal-frame::after{
  content:"◆";
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  z-index:3;font-size:17px;
  color:var(--gold-light);
  text-shadow:0 0 18px rgba(240,195,65,.9),0 0 6px rgba(240,195,65,.6);
  filter:drop-shadow(0 2px 5px rgba(0,0,0,.7));
}
/* ゲームフェイス（内側） */
.iq-seal-face{
  position:relative;
  padding:18px 16px 16px;overflow:hidden;
  border-radius:24px;
  background:
    /* 頂部ゴールドオーラ */
    radial-gradient(ellipse 92% 32% at 50% 0%,rgba(252,205,65,.32),transparent),
    /* 中央コア光 */
    radial-gradient(ellipse 55% 45% at 50% 38%,rgba(180,18,36,.25),transparent),
    /* 四隅ダークビネット（赤みを残す） */
    radial-gradient(ellipse at 0% 100%,rgba(55,4,10,.65),transparent 52%),
    radial-gradient(ellipse at 100% 100%,rgba(55,4,10,.55),transparent 52%),
    /* 微細ダイヤモンドパターン（壁紙質感） */
    repeating-linear-gradient(
      45deg,
      rgba(255,215,95,.055) 0px, rgba(255,215,95,.055) 1px,
      transparent 1px, transparent 26px
    ),
    repeating-linear-gradient(
      -45deg,
      rgba(255,215,95,.055) 0px, rgba(255,215,95,.055) 1px,
      transparent 1px, transparent 26px
    ),
    /* 赤ベース */
    linear-gradient(170deg,#7e1422,#631018 42%,#46090e);
  color:#fff;
}
.iq-seal-face.is-hidden{display:none}
/* 星粒パーティクルフィールド */
@keyframes sealStarsTwinkle{0%{opacity:.18}100%{opacity:.6}}
.iq-seal-face::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:0;
  background:
    radial-gradient(circle 1.5px at 10% 14%,rgba(255,218,120,.7),transparent 2px),
    radial-gradient(circle 1px  at 74% 9%, rgba(255,218,120,.55),transparent 1.5px),
    radial-gradient(circle 2px  at 88% 33%,rgba(255,218,120,.4),transparent 2.5px),
    radial-gradient(circle 1px  at 25% 60%,rgba(255,218,120,.5),transparent 1.5px),
    radial-gradient(circle 1.5px at 51% 84%,rgba(255,218,120,.38),transparent 2px),
    radial-gradient(circle 1px  at 6% 75%, rgba(255,218,120,.32),transparent 1.5px),
    radial-gradient(circle 2px  at 93% 78%,rgba(255,218,120,.42),transparent 2.5px),
    radial-gradient(circle 1px  at 42% 7%, rgba(255,218,120,.55),transparent 1.5px),
    radial-gradient(circle 1.5px at 65% 52%,rgba(255,218,120,.3),transparent 2px),
    radial-gradient(circle 1px  at 32% 44%,rgba(255,218,120,.28),transparent 1.5px),
    radial-gradient(circle 2px  at 18% 88%,rgba(255,218,120,.35),transparent 2.5px),
    radial-gradient(circle 1px  at 80% 62%,rgba(255,218,120,.32),transparent 1.5px);
  animation:sealStarsTwinkle 3.5s ease-in-out infinite alternate;
}
.iq-seal-visual,.iq-seal-preview,.iq-seal-guide,.iq-seal-diff,.iq-seal-face>.iq-btn{position:relative;z-index:1}

/* イントロ */
.iq-seal-intro{text-align:center;margin-bottom:10px}
.iq-seal-label{color:var(--gold-light);font-family:var(--serif);font-size:10px;font-weight:900;letter-spacing:.18em}
.iq-seal-face .iq-kicker{color:var(--gold-light)}
.iq-seal-face .iq-kicker::before,.iq-seal-face .iq-kicker::after{background:var(--gold)}
.iq-seal-intro h3{margin:5px 0 5px;font-family:var(--serif);font-size:20px;color:#fff}
.iq-seal-intro p{margin:0;color:rgba(240,210,185,.65);font-size:10px;line-height:1.7}

/* プレビュー魔法陣 */
.iq-seal-preview{
  position:relative;display:grid;
  width:130px;height:130px;
  margin:8px auto 10px;
  border:1px solid rgba(220,183,65,.48);border-radius:50%;
  background:radial-gradient(circle,rgba(200,155,48,.13),rgba(14,0,3,.54) 58%,rgba(0,0,0,.3));
  box-shadow:0 0 0 7px rgba(212,173,85,.04),0 0 0 15px rgba(212,173,85,.02),0 0 48px rgba(212,173,85,.18);
  place-items:center;overflow:visible;
}
/* 逆回転オービット点（三角形配置） */
.iq-seal-orbit{
  position:absolute;inset:7px;border-radius:50%;
  background:
    radial-gradient(circle 2.5px at 50% 0%,  rgba(255,212,80,.9),  transparent 3px),
    radial-gradient(circle 1.5px at 13% 76%, rgba(255,212,80,.6),  transparent 2px),
    radial-gradient(circle 2px  at 87% 76%,  rgba(255,212,80,.75), transparent 2.5px);
  animation:sealRingRotate 7s linear infinite reverse;pointer-events:none;
}
/* 回転ダッシュリング */
.iq-seal-preview::before{
  content:"";position:absolute;inset:12px;
  border:1px dashed rgba(220,183,65,.38);border-radius:50%;
  animation:sealRingRotate 20s linear infinite;
}
/* 固定内リング */
.iq-seal-preview::after{
  content:"";position:absolute;inset:32px;
  border:1px solid rgba(220,183,65,.24);border-radius:50%;
}
.iq-seal-preview-mark{
  position:relative;z-index:1;
  color:var(--gold-light);font-family:var(--serif);font-size:44px;
  text-shadow:0 0 25px rgba(235,193,75,.6);
  animation:sealMarkPulse 3.4s ease-in-out infinite;
}

/* ガイドテキスト */
.iq-seal-guide{
  position:relative;
  margin:0 0 10px;padding:8px 12px;
  border:1px solid rgba(210,168,60,.22);border-radius:9px;
  background:rgba(0,0,0,.24);
  color:rgba(245,220,182,.68);font-family:var(--serif);font-size:10px;line-height:1.72;text-align:center;
}
.iq-seal-guide::before{content:"✦";display:block;color:var(--gold);font-size:8px;margin-bottom:4px;opacity:.75}

/* スタート画面の難易度カード */
.iq-seal-diff{margin-bottom:10px}
.iq-seal-diff-title{margin:0 0 10px;color:rgba(228,192,135,.5);font-size:9px;font-weight:900;letter-spacing:.2em;text-align:center}
.iq-seal-diff-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.iq-seal-diff-btn{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:9px 6px;
  border:1px solid rgba(210,163,54,.28);border-radius:12px;
  background:rgba(255,255,255,.035);
  color:rgba(215,178,112,.58);cursor:pointer;
  transition:border-color .2s,background .2s,color .2s,box-shadow .2s;
}
.iq-seal-diff-btn:active{background:rgba(212,173,85,.1);transform:scale(.97)}
.iq-seal-diff-btn.is-selected{
  border-color:rgba(212,173,85,.82);background:rgba(212,173,85,.14);
  color:var(--gold-light);box-shadow:0 0 20px rgba(212,173,85,.12),inset 0 1px 0 rgba(255,235,148,.12);
}
.iq-seal-diff-stars{font-size:8px;letter-spacing:.05em;color:var(--gold)}
.iq-seal-diff-btn.is-selected .iq-seal-diff-stars{text-shadow:0 0 8px rgba(235,190,60,.6)}
.iq-seal-diff-btn strong{display:block;font-family:var(--serif);font-size:11px;font-weight:900;letter-spacing:.08em}
.iq-seal-diff-btn span:last-child{font-size:8px;opacity:.62}
.iq-seal-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.iq-seal-levels{display:flex;gap:6px}.iq-seal-level{padding:7px 10px;border:1px solid rgba(233,202,126,.38);border-radius:999px;background:rgba(255,255,255,.05);color:#cfb6b2;font-size:9px;font-weight:900}.iq-seal-level.is-active{border-color:var(--gold-light);background:rgba(214,172,79,.2);color:var(--gold-light)}.iq-seal-stage-no{color:#cfb6b2;font-size:9px}.iq-seal-stage-no strong{color:var(--gold-light)}
.iq-seal-board-wrap{position:relative;margin:0 auto 14px;overflow:hidden;border:1px solid rgba(235,202,125,.42);border-radius:16px;background:radial-gradient(circle at 50% 46%,rgba(155,28,45,.35),rgba(20,1,5,.85) 68%);touch-action:none;user-select:none}
.iq-seal-board{display:block;width:100%;height:auto;aspect-ratio:1/1;touch-action:none}.iq-seal-ring{fill:none;stroke:rgba(222,184,96,.14);stroke-width:1}.iq-seal-edge{stroke:rgba(235,210,153,.25);stroke-width:5;stroke-linecap:round}.iq-seal-edge-hit{stroke:transparent;stroke-width:25;stroke-linecap:round}.iq-seal-edge.is-used{stroke:#f0c96d;filter:drop-shadow(0 0 6px rgba(240,201,109,.7))}.iq-seal-trace{fill:none;stroke:#fff0af;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 5px rgba(244,211,119,.7))}.iq-seal-node-halo{fill:rgba(236,197,103,.08);stroke:rgba(236,197,103,.25);stroke-width:1}.iq-seal-node{fill:#3a050d;stroke:#c89b44;stroke-width:3}.iq-seal-node.is-start{fill:#a51f31;stroke:#ffe5a1;filter:drop-shadow(0 0 8px rgba(255,225,145,.75))}.iq-seal-node.is-current{fill:#e0b34e;stroke:#fff1bc}.iq-seal-node.is-done{fill:#8d1828;stroke:#edcb7b}.iq-seal-node-text{fill:#f6d98c;font-family:serif;font-size:11px;font-weight:700;text-anchor:middle;dominant-baseline:middle;pointer-events:none}.iq-seal-start-pulse{fill:none;stroke:#ffe5a1;stroke-width:2;transform-box:fill-box;transform-origin:center;animation:sealPulse 1.6s ease-out infinite}@keyframes sealPulse{0%{opacity:.8;transform:scale(.65)}100%{opacity:0;transform:scale(1.65)}}
.iq-seal-status{min-height:45px;margin:0 0 13px;padding:10px 12px;border-left:2px solid var(--gold);background:rgba(0,0,0,.17);color:#dcc4c0;font-size:10px;line-height:1.7;text-align:center}.iq-seal-status strong{color:var(--gold-light)}
.iq-seal-progress{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;margin:12px 0 17px;color:#d0aaa5;font-size:9px}.iq-seal-progress-bar{height:6px;overflow:hidden;border-radius:999px;background:rgba(255,255,255,.1)}.iq-seal-progress-bar i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--gold-dark),var(--gold-light));transition:width .2s ease}.iq-seal-progress strong{color:var(--gold-light)}
.iq-seal-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.iq-seal-subbtn{min-height:44px;border:1px solid rgba(235,202,125,.36);border-radius:9px;background:rgba(255,255,255,.055);color:#e2c7c1;font-size:10px;font-weight:700}.iq-seal-subbtn:active{background:rgba(214,172,79,.18)}
.iq-seal-board-wrap.is-failed{animation:sealShake .35s linear}.iq-seal-board-wrap.is-cleared{box-shadow:inset 0 0 60px rgba(240,201,109,.2),0 0 35px rgba(240,201,109,.18)}@keyframes sealShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-7px)}75%{transform:translateX(7px)}}
.iq-seal-result{text-align:center}.iq-seal-result h3{margin:5px 0 7px;font-family:var(--serif);font-size:20px;line-height:1.45}.iq-seal-result>p{margin:0 0 10px;color:#dfc5c1;font-size:10px;line-height:1.7}@keyframes sealDoorBurst{0%{opacity:0;transform:scale(.18)}25%{opacity:1;transform:scale(1.12);filter:brightness(2.4)}55%{transform:scale(1.04);filter:brightness(1.5)}100%{transform:scale(1);filter:brightness(1)}}.iq-seal-door{position:relative;width:116px;height:162px;margin:0 auto 12px;overflow:hidden;border:3px solid rgba(212,173,85,.72);border-radius:50% 50% 5px 5px/20% 20% 5px 5px;background:#0e0205;box-shadow:0 0 0 1px rgba(130,80,20,.5),0 0 0 4px rgba(212,173,85,.06),0 18px 42px rgba(0,0,0,.65),inset 0 -8px 20px rgba(0,0,0,.45)}.iq-seal-door:before,.iq-seal-door:after{content:"";position:absolute;top:0;width:50%;height:100%;background:linear-gradient(rgba(255,200,68,.18),rgba(255,200,68,.18)) 0 34%/100% 1px no-repeat,linear-gradient(rgba(255,200,68,.15),rgba(255,200,68,.15)) 0 64%/100% 1px no-repeat,linear-gradient(168deg,#611220,#42090f 40%,#200208);transition:transform 1.1s cubic-bezier(.6,0,.35,1)}.iq-seal-door:before{left:0;transform-origin:left center;border-right:1px solid rgba(255,200,60,.2)}.iq-seal-door:after{right:0;transform-origin:right center;border-left:1px solid rgba(255,200,60,.2)}.iq-seal-door.is-open:before{transform:perspective(320px) rotateY(-90deg)}.iq-seal-door.is-open:after{transform:perspective(320px) rotateY(90deg)}.iq-seal-door-light{position:absolute;inset:0;background:radial-gradient(circle at 50% 32%,#fffde8,#f7c940 22%,#c85c1c 50%,#7e1727 76%,rgba(12,0,2,0));box-shadow:0 0 44px rgba(255,220,117,.65);opacity:0}.iq-seal-door.is-open .iq-seal-door-light{animation:sealDoorBurst 1.3s ease-out .45s both}
/* ══ 召喚ステージ（結果画面） ══ */
@keyframes summonRaysSpin{to{transform:rotate(360deg)}}
@keyframes summonFlash{
  0%{opacity:0;transform:scale(.35)}
  20%{opacity:.92;transform:scale(1)}
  100%{opacity:0;transform:scale(2)}
}
@keyframes medallionIn{
  0%{opacity:0;transform:scale(.12) rotate(-48deg)}
  55%{opacity:1;transform:scale(1.2) rotate(9deg)}
  78%{transform:scale(.95) rotate(-3deg)}
  100%{opacity:1;transform:scale(1) rotate(0)}
}
@keyframes medallionFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes medallionHalo{
  0%,100%{box-shadow:0 0 0 1px rgba(255,228,145,.45),0 0 20px rgba(255,200,70,.35),0 0 46px rgba(255,180,50,.18),inset 0 2px 10px rgba(255,240,190,.14)}
  50%{box-shadow:0 0 0 1px rgba(255,238,175,.85),0 0 34px rgba(255,212,92,.6),0 0 78px rgba(255,190,60,.34),inset 0 2px 14px rgba(255,240,190,.22)}
}
@keyframes summonRiseIn{0%{opacity:0;transform:translateY(16px)}100%{opacity:1;transform:translateY(0)}}
@keyframes sealLabelIn{0%{opacity:0;letter-spacing:.62em}100%{opacity:1;letter-spacing:.18em}}

.iq-summon-stage{position:relative;height:212px;margin:10px 0 16px}
/* 放射光条 */
.iq-summon-rays{
  position:absolute;top:50%;left:50%;width:340px;height:340px;
  margin:-170px 0 0 -170px;border-radius:50%;
  background:repeating-conic-gradient(from 0deg,rgba(255,224,126,.17) 0deg 3deg,transparent 3deg 13deg);
  -webkit-mask-image:radial-gradient(circle,#000 16%,rgba(0,0,0,.4) 44%,transparent 68%);
  mask-image:radial-gradient(circle,#000 16%,rgba(0,0,0,.4) 44%,transparent 68%);
  opacity:0;pointer-events:none;z-index:0;
  transition:opacity 1.1s ease .45s;
}
.is-summoned .iq-summon-rays{opacity:1;animation:summonRaysSpin 30s linear infinite}
/* 二重魔法陣リング */
.iq-summon-ring{
  position:absolute;top:50%;left:50%;border-radius:50%;
  opacity:0;pointer-events:none;z-index:1;
  transition:opacity .85s ease .35s;
}
.is-summoned .iq-summon-ring{opacity:1}
.iq-summon-ring::before{
  content:"";position:absolute;top:-4px;left:50%;
  width:7px;height:7px;margin-left:-3.5px;border-radius:50%;
  background:radial-gradient(circle,#fff6d2,rgba(240,190,60,.25));
  box-shadow:0 0 12px rgba(255,222,115,.95);
}
.iq-summon-ring-1{
  width:198px;height:198px;margin:-99px 0 0 -99px;
  border:1px dashed rgba(242,202,92,.46);
  animation:sealRingRotate 24s linear infinite;
}
.iq-summon-ring-2{
  width:156px;height:156px;margin:-78px 0 0 -78px;
  border:1px solid rgba(242,202,92,.26);
  animation:sealRingRotate 16s linear infinite reverse;
}
/* 扉：ステージ中央奥に配置 */
.iq-summon-stage .iq-seal-door{
  position:absolute;top:0;left:50%;margin:0;
  transform:translateX(-50%);z-index:2;
}
/* 召喚フラッシュ */
.iq-summon-flash{
  position:absolute;top:50%;left:50%;width:172px;height:172px;
  margin:-86px 0 0 -86px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,253,238,.96),rgba(255,214,108,.55) 38%,transparent 70%);
  opacity:0;pointer-events:none;z-index:3;
}
.is-summoned .iq-summon-flash{animation:summonFlash 1s ease-out 1.05s both}
/* アイコンメダリオン */
.iq-summon-medallion{
  position:absolute;bottom:0;left:50%;margin-left:-53px;
  display:grid;place-items:center;
  width:106px;height:106px;border-radius:50%;z-index:4;
  border:2px solid rgba(243,205,98,.88);
  background:
    radial-gradient(circle at 50% 28%,rgba(255,248,220,.3),transparent 62%),
    linear-gradient(160deg,#8e1727,#4f0b13 56%,#2b0509);
  opacity:0;transform:scale(.12);
}
.iq-summon-medallion::before{
  content:"";position:absolute;inset:5px;border-radius:50%;
  border:1px solid rgba(255,232,160,.3);
}
.is-summoned .iq-summon-medallion{
  animation:medallionIn .9s cubic-bezier(.18,1.6,.42,1) 1.05s both,
            medallionHalo 3s ease-in-out 1.95s infinite;
}
.iq-summon-icon{
  width:60px;height:60px;object-fit:contain;
  filter:drop-shadow(0 0 12px rgba(255,234,155,.9)) drop-shadow(0 3px 6px rgba(0,0,0,.55));
}
.is-summoned .iq-summon-icon{animation:medallionFloat 3.8s ease-in-out 1.95s infinite}
/* 見出し・ラベル */
.iq-seal-result .iq-seal-label{display:inline-flex;align-items:center;gap:10px}
.iq-seal-result .iq-seal-label::before,
.iq-seal-result .iq-seal-label::after{content:"";width:28px;height:1px;background:var(--gold);opacity:.6}
.is-summoned .iq-seal-label{animation:sealLabelIn .95s ease-out both}
.iq-seal-result h3 span{color:var(--gold-light)}
/* 召喚結果カードの順次出現 */
.iq-seal-result:not(.is-summoned) .iq-unlock-card,
.iq-seal-result:not(.is-summoned) .iq-seal-replay{opacity:0}
.is-summoned .iq-unlock-card{animation:summonRiseIn .65s ease-out 1.85s both}
.is-summoned .iq-seal-replay{animation:summonRiseIn .6s ease-out 2.15s both}
.iq-unlock-card{position:relative;padding:13px 12px 12px;border:1px solid var(--gold);border-radius:12px;background:linear-gradient(145deg,#fbeecb,#dcbd7c 52%,#bf9950);color:var(--red-dark);text-align:center;box-shadow:0 12px 28px rgba(0,0,0,.38),inset 0 1px 0 rgba(255,255,255,.55)}.iq-unlock-card::before{content:"";position:absolute;inset:4px;border-radius:8px;border:1px solid rgba(120,40,20,.16);pointer-events:none}.iq-unlock-card small{position:relative;font-family:var(--serif);font-size:9px;font-weight:900;letter-spacing:.17em;opacity:.72}.iq-unlock-card strong{display:block;margin:3px 0 11px;font-family:var(--serif);font-size:21px;letter-spacing:.04em}.iq-seal-replay{display:block;margin:10px auto 0;border:0;border-bottom:1px solid rgba(235,204,130,.6);background:transparent;color:#e5c98c;font-size:10px}
.iq-ranking{background:linear-gradient(180deg,#760e1c,#48070f);color:#fff}.iq-ranking .iq-section-head h2,.iq-ranking .iq-section-head p{color:#fff}.iq-ranking .iq-kicker{color:var(--gold-light)}.iq-rank-list{display:grid;gap:12px}.iq-rank-item{display:grid;grid-template-columns:48px 64px 1fr 25px;align-items:center;gap:11px;padding:12px;border:1px solid rgba(236,204,127,.42);border-radius:12px;background:rgba(255,255,255,.07)}.iq-rank-num{color:var(--gold-light);font-family:var(--serif);font-size:25px;font-weight:900;text-align:center}.iq-rank-thumb{display:grid;width:64px;height:64px;border:1px solid rgba(255,225,158,.5);border-radius:8px;background:linear-gradient(145deg,#b45b3c,#38060d);color:rgba(255,255,255,.75);font-family:var(--serif);font-size:10px;place-items:center}.iq-rank-text small{color:#d7aaa9;font-size:9px}.iq-rank-text strong{display:block;margin-top:3px;font-family:var(--serif);font-size:14px}.iq-rank-arrow{color:var(--gold-light)}
/* ── ALL ROOMS ── */
@keyframes iqGenreIn{from{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:none}}
.iq-genres{
  position:relative;overflow:hidden;
  background:
    repeating-linear-gradient(45deg,rgba(185,145,45,.06) 0,rgba(185,145,45,.06) 1px,transparent 0,transparent 22px),
    repeating-linear-gradient(-45deg,rgba(185,145,45,.06) 0,rgba(185,145,45,.06) 1px,transparent 0,transparent 22px),
    radial-gradient(ellipse 80% 28% at 50% 0%,rgba(255,232,165,.4),transparent),
    linear-gradient(180deg,#fdf5e4 0%,#ece0c2 100%);
  background-size:22px 22px,22px 22px,100% 100%,100% 100%;
}
.iq-genres::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,rgba(196,158,54,.6) 30%,var(--gold) 50%,rgba(196,158,54,.6) 70%,transparent);
}
.iq-genres .iq-section-head h2 span{color:var(--red)}
.iq-genres .iq-section-head{position:relative;padding-bottom:24px}
.iq-genres .iq-section-head::after{
  content:"◆";position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  color:rgba(196,158,54,.55);font-size:10px;letter-spacing:.2em;
}
/* カテゴリータグ */
.iq-genre-tag{
  display:inline-block;margin-bottom:10px;padding:2px 9px;
  border-radius:3px;
  font-size:8px;font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;color:#fff;
}
.iq-genre-tag-ent{background:linear-gradient(90deg,#6a1f7e,#9a2da0)}
.iq-genre-tag-knw{background:linear-gradient(90deg,#1a3a6e,#2a5ab0)}
.iq-genre-tag-sci{background:linear-gradient(90deg,#0d4a3a,#1a7258)}
.iq-genre-tag-soc{background:linear-gradient(90deg,#614008,#9a6510)}
/* フィルター */
.iq-genre-filter{
  display:flex;gap:6px;margin-bottom:22px;
  overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.iq-genre-filter::-webkit-scrollbar{display:none}
.iq-filter-btn{
  flex:none;padding:7px 14px;
  border:1px solid rgba(182,138,48,.4);border-radius:4px;
  background:linear-gradient(180deg,#fffaee,#f5e9cc);
  color:var(--red-dark);font-size:10px;font-weight:700;
  white-space:nowrap;cursor:pointer;
  transition:background .18s,border-color .18s,color .18s,box-shadow .18s;
  letter-spacing:.04em;
}
.iq-filter-btn:active{transform:scale(.96)}
.iq-filter-btn.is-active{
  border-color:var(--red);background:var(--red);color:#fff;
  box-shadow:0 3px 10px rgba(140,10,25,.3);
}
/* グリッド */
.iq-genre-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
/* カード非表示（フィルター用） */
.iq-genre-card.is-hidden{display:none}
/* カード */
.iq-genre-card{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;align-items:center;
  padding:13px 6px 14px;
  border:1px solid rgba(196,160,68,.38);border-radius:12px;
  background:linear-gradient(170deg,#fffef9,#f8ebd0);
  box-shadow:0 4px 14px rgba(95,40,14,.09);
  text-align:center;text-decoration:none;color:inherit;
  transition:transform .18s ease,box-shadow .18s ease;
}
/* ゴールドボトムアクセント */
.iq-genre-card::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:3px;
  border-radius:0 0 12px 12px;
  background:linear-gradient(90deg,transparent,rgba(198,160,54,.8) 25%,var(--gold) 50%,rgba(198,160,54,.8) 75%,transparent);
}
/* カードが現れる時 */
.iq-genre-card.is-show{animation:iqGenreIn .3s ease both}
.iq-genre-grid .iq-genre-card:nth-child(3n+2).is-show{animation-delay:.04s}
.iq-genre-grid .iq-genre-card:nth-child(3n+3).is-show{animation-delay:.08s}
.iq-genre-card:active{transform:scale(.95) translateY(1px);box-shadow:0 2px 7px rgba(95,40,14,.07)}
/* アイコン円 */
.iq-genre-icon{
  display:grid;place-items:center;
  width:60px;height:60px;margin:0 auto 8px;
  border-radius:50%;overflow:hidden;
  border:2px solid rgba(196,158,54,.55);
  background:radial-gradient(circle at 50% 30%,#15102a,#0a071a 70%);
  box-shadow:0 5px 18px rgba(10,4,28,.4),inset 0 1px 0 rgba(255,218,150,.12);
  transition:transform .18s ease;
}
.iq-genre-card:active .iq-genre-icon{transform:scale(.9)}
.iq-genre-icon img{width:42px;height:42px;object-fit:contain;filter:drop-shadow(0 1px 4px rgba(0,0,0,.6))}
/* カテゴリー別アイコン背景 */
.iq-genre-card[data-cat="entertainment"] .iq-genre-icon{background:radial-gradient(circle at 50% 30%,#1c1040,#0c0820 70%)}
.iq-genre-card[data-cat="knowledge"] .iq-genre-icon{background:radial-gradient(circle at 50% 30%,#0c1e48,#060d24 70%)}
.iq-genre-card[data-cat="science"] .iq-genre-icon{background:radial-gradient(circle at 50% 30%,#082e28,#03150f 70%)}
.iq-genre-card[data-cat="social"] .iq-genre-icon{background:radial-gradient(circle at 50% 30%,#2c1a04,#140c02 70%)}
/* テキスト */
.iq-genre-card strong{
  display:block;color:#5a0a16;
  font-family:var(--serif);font-size:11.5px;font-weight:900;
  line-height:1.2;
}
.iq-genre-room{
  display:block;margin-top:3px;
  color:#a07a68;font-size:8px;letter-spacing:.06em;
}
/* ── FINAL CTA ── */
@keyframes iqGateGlow{
  0%,100%{opacity:.42;transform:translate(-50%,-50%) scale(1)}
  50%    {opacity:.78;transform:translate(-50%,-50%) scale(1.09)}
}
@keyframes iqFinalRays{
  0%,100%{opacity:.3;transform:translateX(-50%) rotate(0deg)}
  50%    {opacity:.5;transform:translateX(-50%) rotate(7deg)}
}
@keyframes iqFinalMote{
  0%  {opacity:0;transform:translateY(0) scale(.5)}
  14% {opacity:.95}
  82% {opacity:.6}
  100%{opacity:0;transform:translateY(-160px) scale(1.15)}
}
@keyframes iqFinalCtaFloat{
  0%,100%{transform:translateY(0) rotateX(0deg) scale(1);filter:drop-shadow(0 7px 22px rgba(185,115,35,.52))}
  50%    {transform:translateY(-9px) rotateX(3deg) scale(1.018);filter:drop-shadow(0 22px 40px rgba(225,165,50,.78))}
}
@keyframes iqCrestSpin{to{transform:rotate(360deg)}}
@keyframes iqFinalDivide{
  0%,100%{opacity:.55}
  50%    {opacity:1}
}

.iq-final{
  position:relative;overflow:hidden;
  padding:0 0 104px;
  background:
    /* 大門からの光の残響 */
    radial-gradient(ellipse 70% 30% at 50% 34%,rgba(255,214,124,.22),transparent 70%),
    /* 石壁のダイヤ格子 */
    repeating-linear-gradient(45deg,rgba(255,216,140,.04) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(-45deg,rgba(255,216,140,.04) 0 1px,transparent 1px 26px),
    linear-gradient(180deg,#1b0206 0%,#5e0d19 42%,#7d1020 62%,#2a0308 100%);
  color:#fff;text-align:center;
}
/* 上端の金ライン（前セクションとの境） */
.iq-final::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:8;
  background:linear-gradient(90deg,transparent,rgba(232,192,96,.6) 25%,var(--gold) 50%,rgba(232,192,96,.6) 75%,transparent);
  animation:iqFinalDivide 4s ease-in-out infinite;
}
/* 装飾フレーム（四隅の金L字） */
.iq-final::after{
  content:"";position:absolute;inset:11px;z-index:7;pointer-events:none;
  border:1px solid rgba(232,192,96,.28);
  background-image:
    linear-gradient(var(--gold),var(--gold)),linear-gradient(var(--gold),var(--gold)),
    linear-gradient(var(--gold),var(--gold)),linear-gradient(var(--gold),var(--gold)),
    linear-gradient(var(--gold),var(--gold)),linear-gradient(var(--gold),var(--gold)),
    linear-gradient(var(--gold),var(--gold)),linear-gradient(var(--gold),var(--gold));
  background-size:26px 2px,2px 26px,26px 2px,2px 26px,26px 2px,2px 26px,26px 2px,2px 26px;
  background-position:
    left top,left top,right top,right top,
    left bottom,left bottom,right bottom,right bottom;
  background-repeat:no-repeat;
}

/* 挿絵：下端が背景へ溶けるようマスク */
.iq-final-visual{position:relative;z-index:1}
.iq-final-visual img{
  width:100%;display:block;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 56%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0%,#000 56%,transparent 100%);
}
/* 大門の脈打つ黄金光 */
.iq-final-glow{
  position:absolute;top:44%;left:50%;
  width:54%;aspect-ratio:1;
  pointer-events:none;z-index:2;
  background:radial-gradient(circle,rgba(255,230,150,.5),rgba(255,190,80,.16) 44%,transparent 70%);
  mix-blend-mode:screen;
  animation:iqGateGlow 4.6s ease-in-out infinite;
}
/* 大門から放たれる光条 */
.iq-final-rays{
  position:absolute;top:-6%;left:50%;
  width:170%;aspect-ratio:1;
  pointer-events:none;z-index:2;
  background:repeating-conic-gradient(from 0deg at 50% 30%,
    rgba(255,228,152,.13) 0deg 2.6deg,
    transparent 2.6deg 13deg);
  -webkit-mask-image:radial-gradient(ellipse 42% 36% at 50% 30%,#000 10%,transparent 66%);
  mask-image:radial-gradient(ellipse 42% 36% at 50% 30%,#000 10%,transparent 66%);
  animation:iqFinalRays 9s ease-in-out infinite;
}
/* 舞い上がる光の粒（JS生成） */
.iq-final-mote{
  position:absolute;border-radius:50%;pointer-events:none;z-index:4;
  background:radial-gradient(circle,#fff 0%,rgba(255,228,132,.88) 38%,transparent 72%);
  animation:iqFinalMote linear infinite;
}

/* コンテンツ */
.iq-final-inner{
  position:relative;z-index:5;
  margin-top:-58px;padding:0 24px;
}
/* 紋章 */
.iq-final-crest{
  position:relative;display:grid;place-items:center;
  width:76px;height:76px;margin:0 auto 20px;
  color:#fff8e2;font-size:20px;line-height:1;
  text-shadow:0 0 14px rgba(255,214,110,.9),0 0 30px rgba(255,180,60,.5);
}
/* 紋章の外輪（回転） */
.iq-final-crest::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  border:1px solid rgba(232,192,96,.5);
  border-top-color:rgba(255,232,150,.95);
  border-left-color:rgba(255,232,150,.6);
  animation:iqCrestSpin 11s linear infinite;
}
/* 紋章の内側の光 */
.iq-final-crest::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  background:radial-gradient(circle at 50% 34%,rgba(255,232,158,.3),rgba(60,6,14,.75) 62%);
  border:1px solid rgba(232,192,96,.34);
  box-shadow:0 0 26px rgba(240,196,92,.35),inset 0 0 18px rgba(255,214,120,.2);
}
.iq-final small{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--gold-light);font-family:var(--serif);
  font-size:10px;font-weight:900;letter-spacing:.2em;
  text-shadow:0 0 12px rgba(240,196,92,.4);
}
.iq-final small::before,.iq-final small::after{
  content:"";width:26px;height:1px;
  background:linear-gradient(90deg,transparent,var(--gold));
}
.iq-final small::after{background:linear-gradient(90deg,var(--gold),transparent)}
.iq-final h2{
  margin:16px 0 16px;font-family:var(--serif);font-size:31px;line-height:1.46;
  text-shadow:0 2px 14px rgba(0,0,0,.6),0 0 34px rgba(255,196,90,.22);
}
.iq-final p{
  margin:0 0 30px;color:#f6e2dc;font-size:12px;line-height:2;
  text-shadow:0 1px 8px rgba(0,0,0,.55);
}

/* CTA ─ ヒーローと同じボタン */
.iq-final-cta{
  position:relative;display:block;
  width:min(90%,340px);margin:0 auto;
  text-decoration:none;cursor:pointer;
  transform-style:preserve-3d;
  animation:iqFinalCtaFloat 3.4s ease-in-out infinite;
}
.iq-final-cta:active{animation-play-state:paused;opacity:.86}
.iq-final-cta-img{width:100%;display:block}
.iq-final-cta-text{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:5px;pointer-events:none;z-index:4;
}
.iq-final-cta-sub{
  display:block;font-family:var(--serif);font-size:12px;font-weight:700;
  letter-spacing:.15em;color:rgba(255,255,255,.93);
  text-shadow:0 1px 5px rgba(0,0,0,.92);
}
.iq-final-cta-main{
  display:block;font-family:var(--serif);font-size:20px;font-weight:900;
  letter-spacing:.07em;color:#fff;
  text-shadow:0 1px 8px rgba(0,0,0,.92);
}
.iq-footer{padding:38px 22px 48px;background:#230307;color:#d7b5b1}.iq-footer-logo{margin-bottom:20px;color:var(--gold-light);font-family:var(--serif);font-size:15px;font-weight:900;text-align:center}.iq-footer-nav{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid rgba(235,205,131,.2)}.iq-footer-nav a{padding:14px 5px;border-bottom:1px solid rgba(235,205,131,.15);font-size:9px}.iq-footer-nav a:nth-child(odd){border-right:1px solid rgba(235,205,131,.15)}.iq-copyright{margin-top:24px;color:#825f60;font-size:8px;text-align:center}/* 追従ボタン：シマー（光の帯が流れる） */
@keyframes iqStickyShimmer{
  0%  {transform:translateX(-120%) skewX(-18deg)}
  100%{transform:translateX(220%)  skewX(-18deg)}
}
/* 上端ラインのゴールドパルス */
@keyframes iqStickyLine{
  0%,100%{box-shadow:0 -3px 0 rgba(232,192,96,.7),0 -14px 28px rgba(0,0,0,.45)}
  50%    {box-shadow:0 -3px 0 rgba(255,232,148,1),0 -14px 36px rgba(0,0,0,.5),0 -3px 18px rgba(240,196,92,.55)}
}
.iq-sticky{
  position:fixed;z-index:50;right:0;bottom:0;left:0;
  width:min(100%,430px);margin:auto;
  padding:12px 14px 16px;
  /* 完全不透明の深紅 + 微細ダイヤ格子 */
  background:
    repeating-linear-gradient(45deg,rgba(255,214,140,.045) 0 1px,transparent 1px 20px),
    repeating-linear-gradient(-45deg,rgba(255,214,140,.045) 0 1px,transparent 1px 20px),
    linear-gradient(180deg,#3a0610,#1c0207);
  /* 上端ゴールドライン（脈動） */
  animation:iqStickyLine 2.8s ease-in-out infinite;
  /* 初期は隠す */
  opacity:0;transform:translateY(100%);pointer-events:none;
  transition:opacity .32s ease,transform .36s cubic-bezier(.22,.68,.36,1);
}
.iq-sticky.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
/* ボタン：シマー光の帯 */
.iq-sticky .iq-btn{
  position:relative;overflow:hidden;
  min-height:52px;font-size:13px;letter-spacing:.1em;
}
.iq-sticky .iq-btn::after{
  content:"";
  position:absolute;top:0;left:0;width:38%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,238,180,.42),transparent);
  animation:iqStickyShimmer 2.4s cubic-bezier(.4,0,.6,1) infinite;
  pointer-events:none;
}
.iq-fade{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.iq-fade.is-show{opacity:1;transform:translateY(0)}