/* ---- banner04 スタイルルール ---- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

/* 300×250のデザイン全体を、幅400pxを上限に同比率で拡大縮小する。 */
html {
  font-size: min(0.3333333333vw, 1.3333333333px);
}

html, body {
  max-width: 400px;
  width: 100%;
  height: 250rem;
  overflow: hidden;
  font-family: 'M PLUS Rounded 1c', sans-serif;
  background-color: #0b071e;
}

/* バナー容器 */
.banner-container {
  display: block;
  width: 100%;
  height: 250rem;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: #ffffff;
  background: radial-gradient(circle at 80% 25%, #312e81 0%, #1e1b4b 50%, #0b071e 100%);
  cursor: pointer;
}

/* ゴールド＆ロイヤル光彩 */
.royal-glow {
  position: absolute;
  top: -30rem;
  right: -30rem;
  width: 220rem;
  height: 220rem;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.4) 0%, rgba(99, 102, 241, 0) 70%);
  border-radius: 50%;
  filter: blur(20rem);
  animation: royalPulse 4.5s infinite alternate ease-in-out;
}

/* キラキラ星パーティクル */
.sparkle-star {
  position: absolute;
  background: #fef08a;
  border-radius: 50%;
  opacity: 0;
  animation: starFlash 3s infinite ease-in-out;
}

.s-1 { top: 20rem; right: 110rem; width: 4rem; height: 4rem; animation-delay: 0.1s; }
.s-2 { top: 70rem; left: 20rem; width: 5rem; height: 5rem; animation-delay: 0.9s; }
.s-3 { bottom: 45rem; right: 20rem; width: 4rem; height: 4rem; animation-delay: 1.7s; }

/* 3枚のマルチタロットカード（扇形ファンアニメーション） */
.card-fan-container {
  position: absolute;
  top: 15rem;
  right: 15rem;
  width: 120rem;
  height: 145rem;
  perspective: 700rem;
  z-index: 4;
}

.fan-card {
  position: absolute;
  width: 75rem;
  height: 114rem;
  border-radius: 7rem;
  overflow: hidden;
  box-shadow: 0 10rem 25rem rgba(0, 0, 0, 0.65), 0 0 10rem rgba(251, 191, 36, 0.35);
  border: 1.5rem solid rgba(251, 191, 36, 0.7);
  transition: transform 0.35s ease;
}

.fan-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 1枚目 (左: Fool) */
.card-left {
  top: 10rem;
  right: 35rem;
  transform: rotate(-18deg) scale(0.9);
  opacity: 0;
  animation: fanOutLeft 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s forwards;
}

/* 2枚目 (中: Star) */
.card-center {
  top: 0rem;
  right: 18rem;
  transform: rotate(2deg) scale(1);
  opacity: 0;
  z-index: 2;
  animation: fanOutCenter 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s forwards;
}

/* 3枚目 (右: Judgement) */
.card-right {
  top: 12rem;
  right: 0rem;
  transform: rotate(20deg) scale(0.95);
  opacity: 0;
  z-index: 3;
  animation: fanOutRight 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s forwards;
}

/* ハシビロさんキャラクター */
.hashibiro-avatar {
  position: absolute;
  bottom: 0rem;
  right: 8rem;
  width: 115rem;
  height: auto;
  z-index: 6;
  filter: drop-shadow(0 8rem 18rem rgba(0, 0, 0, 0.75));
  opacity: 0;
  transform: translateY(35rem) scale(0.85);
  animation: avatarPop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.8s forwards;
}

/* テキストエリア */
.content-box {
  position: absolute;
  top: 18rem;
  left: 16rem;
  width: 175rem;
  z-index: 10;
}

/* ブランドバッジ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4rem;
  padding: 4rem 11rem;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8rem);
  -webkit-backdrop-filter: blur(8rem);
  border: 1.5rem solid #fbbf24;
  border-radius: 20rem;
  font-size: 11rem;
  font-weight: 800;
  color: #fbbf24;
  opacity: 0;
  transform: translateY(-8rem);
  animation: fadeInDown 0.6s ease-out 0.8s forwards;
  box-shadow: 0 4rem 10rem rgba(0,0,0,0.5);
}

.nowrap {
  white-space: nowrap;
  display: inline-block;
}

.headline {
  margin-top: 10rem;
  font-size: 18.5rem;
  line-height: 1.35;
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 2rem 10rem rgba(0, 0, 0, 0.95);
  opacity: 0;
  transform: translateX(-20rem);
  animation: fadeInLeft 0.7s ease-out 1.0s forwards;
}

.headline span.highlight {
  color: #fbbf24;
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  filter: none;
  text-shadow: 0 2rem 10rem rgba(0, 0, 0, 0.95);
}

.subline {
  margin-top: 6rem;
  font-size: 11.5rem;
  color: #f1f5f9;
  font-weight: 700;
  line-height: 1.4;
  text-shadow: 0 2rem 8rem rgba(0, 0, 0, 0.9);
  opacity: 0;
  transform: translateX(-15rem);
  animation: fadeInLeft 0.7s ease-out 1.2s forwards;
}

/* CTAボタン */
.cta-button {
  position: absolute;
  bottom: 20rem;
  left: 16rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6rem;
  padding: 10rem 18rem;
  background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  color: #ffffff;
  font-size: 13rem;
  font-weight: 800;
  border-radius: 30rem;
  box-shadow: 0 6rem 20rem rgba(139, 92, 246, 0.5), 0 0 0 2rem rgba(255, 255, 255, 0.25);
  opacity: 0;
  transform: scale(0.85);
  animation: popIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 1.5s forwards, royalPulseBtn 2.6s infinite 2.1s ease-in-out;
  transition: all 0.25s ease;
}

.cta-arrow {
  font-family: 'Outfit', sans-serif;
  font-size: 14rem;
  transition: transform 0.2s ease;
}

/* ---- KEYFRAMES ---- */
@keyframes royalPulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 0.95; }
}

@keyframes starFlash {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 1; transform: scale(1.4); }
}

@keyframes fanOutLeft {
  to {
    opacity: 0.9;
    transform: rotate(-22deg) translateX(-15rem) scale(0.95);
  }
}

@keyframes fanOutCenter {
  to {
    opacity: 1;
    transform: rotate(0deg) translateY(-6rem) scale(1.05);
  }
}

@keyframes fanOutRight {
  to {
    opacity: 0.95;
    transform: rotate(22deg) translateX(15rem) scale(0.95);
  }
}

@keyframes avatarPop {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes fadeInDown {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  to { opacity: 1; transform: translateX(0); }
}

@keyframes popIn {
  to { opacity: 1; transform: scale(1); }
}

@keyframes royalPulseBtn {
  0%, 100% {
    box-shadow: 0 6rem 20rem rgba(139, 92, 246, 0.5), 0 0 0 0 rgba(139, 92, 246, 0.6);
  }
  50% {
    box-shadow: 0 8rem 26rem rgba(139, 92, 246, 0.8), 0 0 0 8rem rgba(139, 92, 246, 0);
  }
}

/* ホバー演出 */
.banner-container:hover .cta-button {
  transform: scale(1.05);
  background: linear-gradient(135deg, #a855f7 0%, #2563eb 100%);
}

.banner-container:hover .cta-arrow {
  transform: translateX(3rem);
}

.banner-container:hover .card-fan-container {
  transform: scale(1.03);
  transition: transform 0.3s ease;
}