:root {
  --page-width: 390px;
  --text: #3c3c3c;
  --bg: #ffffff;
  --link: #16476a;
  --card: #ffffff;
  --card-border: #00b985;
  --apply-border: #e63084;
  --radius: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans JP", "Noto Sans", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  background: linear-gradient(75deg, rgba(255, 147, 232, 1) 0%, rgba(215, 149, 255, 1)100%);
  position: relative;
}

/* 上からキラキラが降り注ぐアニメーション（ボディ全面オーバーレイ） */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.7;
  mix-blend-mode: screen;
  background-repeat: repeat;
  animation: sparkle-fall 10s linear infinite;
}

/* レイヤー1：細かめ */
body::before {
  background-size: 260px 520px;
  background-image:
    radial-gradient(circle at 10% 5%, rgba(255,255,255,0.95) 0 1.2px, rgba(255,255,255,0) 2.6px),
    radial-gradient(circle at 30% 20%, rgba(255,255,255,0.8) 0 1.0px, rgba(255,255,255,0) 2.4px),
    radial-gradient(circle at 55% 12%, rgba(255,255,255,0.9) 0 1.4px, rgba(255,255,255,0) 3.0px),
    radial-gradient(circle at 78% 28%, rgba(255,255,255,0.7) 0 1.1px, rgba(255,255,255,0) 2.6px),
    radial-gradient(circle at 92% 8%, rgba(255,255,255,0.85) 0 1.3px, rgba(255,255,255,0) 2.8px),
    radial-gradient(circle at 15% 60%, rgba(255,255,255,0.75) 0 1.1px, rgba(255,255,255,0) 2.6px),
    radial-gradient(circle at 45% 72%, rgba(255,255,255,0.9) 0 1.2px, rgba(255,255,255,0) 2.7px),
    radial-gradient(circle at 70% 65%, rgba(255,255,255,0.8) 0 1.0px, rgba(255,255,255,0) 2.4px),
    radial-gradient(circle at 88% 80%, rgba(255,255,255,0.85) 0 1.3px, rgba(255,255,255,0) 2.8px);
  filter: blur(0.2px);
  animation-duration: 11s;
}

/* レイヤー2：少し大きめ＋ゆっくり＋横揺れ */
body::after {
  background-size: 420px 840px;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,0.9) 0 1.8px, rgba(255,255,255,0) 4px),
    radial-gradient(circle at 40% 8%, rgba(255,255,255,0.85) 0 1.6px, rgba(255,255,255,0) 3.8px),
    radial-gradient(circle at 66% 24%, rgba(255,255,255,0.95) 0 2.0px, rgba(255,255,255,0) 4.2px),
    radial-gradient(circle at 86% 14%, rgba(255,255,255,0.8) 0 1.6px, rgba(255,255,255,0) 3.8px),
    radial-gradient(circle at 25% 70%, rgba(255,255,255,0.85) 0 1.7px, rgba(255,255,255,0) 3.9px),
    radial-gradient(circle at 58% 62%, rgba(255,255,255,0.9) 0 1.9px, rgba(255,255,255,0) 4.1px),
    radial-gradient(circle at 90% 75%, rgba(255,255,255,0.85) 0 1.7px, rgba(255,255,255,0) 3.9px);
  opacity: 0.5;
  filter: blur(0.35px);
  animation:
    sparkle-fall 16s linear infinite,
    sparkle-sway 5.5s ease-in-out infinite;
}

@keyframes sparkle-fall {
  from {
    transform: translateY(-30vh);
  }
  to {
    transform: translateY(30vh);
  }
}

@keyframes sparkle-sway {
  0%,
  100% {
    transform: translateX(-8px);
  }
  50% {
    transform: translateX(8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  body::before,
  body::after {
    animation: none !important;
  }
}

/* スクロールでフェードイン（IntersectionObserverで .is-visible を付与） */
.reveal {
  opacity: 0;
  transform: translate3d(0, 14px, 0);
  transition:
    opacity 420ms ease,
    transform 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

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

a {
  color: var(--link);
}

.lp {
  width: min(100%, var(--page-width));
  margin: 0 auto;
  background: var(--bg);
}

.lp__block {
  width: 100%;
}

.lp__inner {
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  gap: 16px;
}

.lp__title {
  max-width: 80%;
  padding-bottom: 16px;
  margin: 0 auto;
}

.lp__block--top img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.lp__block--nav {
  background: #ff85ae;
  padding: 16px;
}

.lp__nav {
  /* 画像の見た目：上2個＋下3個 */
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
}

.lp__navBtn {
  display: block;
  width: 100%;
}

.lp__navBtn img {
  width: 100%;
  height: auto;
  display: block;
}

.lp__navRow {
  display: grid;
  gap: 16px;
  width: 100%;
}

.lp__navRow--top {
  /* 添付画像：ピンク2ボタンを横並び（390 - padding16*2 = 358の中で） */
  grid-template-columns: 1fr 1fr;
  width: 358px;
  max-width: 100%;
  margin: 0 auto;
}

.lp__navRow--bottom {
  grid-template-columns: 1fr 1fr 1fr;
  width: 358px;
  max-width: 100%;
  margin: 0 auto;
  column-gap: 8px; /* 横マージン（間隔）を半分に */
}

.lp__navBtn--small {
  /* 下段の3ボタンは横長になりすぎないように */
  align-self: stretch;
}

.lp__imgBtn {
  display: block;
  width: 60%;
  margin: 0 auto;
}

.lp__imgBtn img {
  width: 100%;
  height: auto;
  display: block;
}

.lp__block--prize {
  background: linear-gradient(180deg, rgba(154, 68, 207, 1) 0%, rgba(240, 115, 209, 1) 41%, rgba(0, 153, 235, 1)
        78%, rgba(85, 212, 255, 1) 99%);
}

.lp__block--apply {
  background: linear-gradient(180deg, rgba(255, 221, 127, 1) 0%, rgba(255, 147, 232, 1) 29%, rgba(215, 149, 255, 1)
        100%);
}

.lp__block--detail,
.lp__block--qanda {
  background: #fffde0;
}

.lp__card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.lp__card--media {
  padding: 16px;
  overflow: hidden;
}

/* セクションごとの余白（Figmaのpadding/gapに合わせる） */
.lp__block--prize .lp__inner {
  padding: 32px 16px 24px;
  gap: 24px;
}

.lp__block--apply .lp__inner {
  padding: 24px 16px;
  gap: 16px;
}

.lp__block--detail .lp__inner,
.lp__block--qanda .lp__inner {
  padding: 24px 16px;
  gap: 16px;
}

.lp__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
}

.lp__note--center {
  text-align: center;
}

.lp__note--strong {
  font-weight: 700;
}

.lp__panel {
  background: #fff;
  border: 2px solid var(--apply-border);
  border-radius: var(--radius);
  padding: 16px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lp__heading {
  margin: 0;
  color: #360094;
  font-size: 15px;
  line-height: 1.33;
  font-weight: 600;
}

.lp__subheading {
  margin: 8px 0 0;
  color: #360094;
  font-size: 15px;
  line-height: 1.33;
  font-weight: 600;
}

.lp__text {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
}

.lp__text strong {
  font-weight: 600;
}

.lp__caption {
  margin: 0;
  font-size: 14px;
  line-height: 1.57;
  text-align: center;
  font-weight: 600;
}

.lp__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 56px;
  padding: 14px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: 2px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.08);
  background: #ffffff;
  color: #111;
}

.lp__btn:focus-visible {
  outline: 3px solid rgba(22, 71, 106, 0.35);
  outline-offset: 2px;
}

.lp__btn--primary {
  background: #fff696;
  border-color: #4f0706;
  color: #4f0706;
}

.lp__btn--secondary {
  background: #ffffff;
  border-color: #4f0706;
  color: #4f0706;
}

.lp__links {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  line-height: 1.5;
}