/* ==========================================================
   こまきキラめきフォトラリー LP
   ========================================================== */
:root {
  --navy: #1d2350;
  --navy-2: #2a3170;
  --navy-deep: #141a3e;
  --gold: #d9a62a;
  --gold-light: #f3c969;
  --lavender: #ece6f2;
  --lavender-2: #ddd3ea;
  --red: #e0452f;
  --orange: #f05a1a;
  --yellow: #ffe94d;
  --line: #06c755;
  --text: #24284a;
  --white: #fff;
  --radius: 16px;
  --font-round: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  --font-base: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--text);
  background: var(--lavender);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.sp { display: inline; }
.pc { display: none; }
@media (min-width: 768px) {
  .sp { display: none; }
  .pc { display: inline; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .9em 2em;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--line { background: var(--line); color: #fff; box-shadow: 0 4px 0 #04a045; }
.btn--line:hover { box-shadow: 0 6px 0 #04a045; }
.btn--line svg { width: 1.4em; height: 1.4em; }
.btn--sm { padding: .45em 1.2em; font-size: 14px; box-shadow: none; }
.btn--sm:hover { box-shadow: none; }
.btn--lg { font-size: clamp(17px, 2.2vw, 20px); padding: 1em 2.4em; }
.btn--outline { border: 2px solid var(--navy); color: var(--navy); background: #fff; padding: .6em 1.6em; font-size: 15px; }
.btn--outline:hover { background: var(--navy); color: #fff; }
.btn--spot {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #f6cf5f, var(--gold));
  color: var(--navy);
  box-shadow: 0 4px 0 #a87c14, 0 0 24px rgba(243, 201, 105, .45);
}
.btn--spot:hover { box-shadow: 0 6px 0 #a87c14, 0 0 32px rgba(243, 201, 105, .6); }
.btn--spot svg { width: 1.3em; height: 1.3em; }
.btn--spot::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.7), transparent);
  transform: skewX(-20deg);
  animation: shine 3.2s ease-in-out infinite;
}
.btn--spot.btn--sm { box-shadow: 0 0 16px rgba(243, 201, 105, .5); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s, box-shadow .3s;
}
.site-header.is-scrolled { background: rgba(20, 26, 62, .92); backdrop-filter: blur(8px); box-shadow: 0 2px 16px rgba(0,0,0,.2); }
.site-header__inner {
  max-width: 1200px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; gap: 24px;
}
.site-header__logo {
  font-family: var(--font-round); font-weight: 900; color: #fff; text-decoration: none;
  font-size: 18px; letter-spacing: .02em; white-space: nowrap;
  opacity: 0; transition: opacity .3s;
}
.site-header.is-scrolled .site-header__logo { opacity: 1; }
.site-header__logo span, .site-footer__logo span { color: var(--gold-light); }
.site-header__nav { display: none; margin-left: auto; gap: 22px; }
.site-header__nav a { color: #fff; text-decoration: none; font-size: 14px; font-weight: 500; opacity: .9; }
.site-header__nav a:hover { color: var(--gold-light); }
.site-header__cta { margin-left: auto; }
@media (min-width: 960px) {
  .site-header__nav { display: flex; }
  .site-header__cta { margin-left: 0; }
}

/* ---------- Hero ---------- */
/* PC：飾り（mainbg02）を上端、人物・駅（mainbg01）を下端に置き、ロゴ・期間を含むエリア全体の背景にする
   画像はどちらも 1738×905。表示幅は最低1100px（狭い画面では左右を切る） */
.hero {
  --hero-img-w: max(100%, 1100px);
  position: relative;
  height: clamp(800px, calc(52vw + 190px), 960px);
  background:
    url("https://k-nigiwaitai.jp/wp-content/uploads/2026/10/kirameki-mainbg02.png") center top / 100% auto no-repeat,
    url("https://k-nigiwaitai.jp/wp-content/uploads/2026/10/kirameki-mainbg01.png") center bottom / var(--hero-img-w) auto no-repeat,
    radial-gradient(ellipse 60% 40% at 50% 30%, rgba(214, 205, 255, .45), transparent 70%),
    linear-gradient(180deg, #1b2152 0%, #2b3378 55%, #3a3f86 100%);
  color: #fff;
  padding: 76px 0 0;
  overflow: hidden;
  isolation: isolate;
}
.hero__sky { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero__stars, .hero__stars::after {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 12%, #fff, transparent),
    radial-gradient(1px 1px at 22% 30%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 35% 8%, #fff, transparent),
    radial-gradient(1px 1px at 48% 22%, #fff, transparent),
    radial-gradient(2px 2px at 62% 6%, #fff, transparent),
    radial-gradient(1px 1px at 72% 26%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 84% 14%, #fff, transparent),
    radial-gradient(1px 1px at 92% 34%, #fff, transparent),
    radial-gradient(1px 1px at 6% 44%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 96% 52%, #fff, transparent);
  animation: twinkle 4s ease-in-out infinite alternate;
}
.hero__stars::after { content: ""; transform: translate(4%, 6%); animation-delay: -2s; }

.hero__inner { position: relative; z-index: 1; text-align: center; padding: 0 16px; max-width: 1000px; margin: 0 auto; }

.hero__ribbon {
  display: inline-block; position: relative;
  background: #fff; color: var(--navy);
  font-weight: 700; font-size: clamp(12px, 1.6vw, 17px);
  padding: .4em 1.6em;
  border: 3px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 97% 50%, 100% 100%, 0 100%, 3% 50%);
  line-height: 1.5;
}

.hero__title {
  position: relative;
  width: min(92%, 600px);
  margin: 14px auto 0;
  padding: 12px 0;
}
.hero__title::before {
  content: ""; position: absolute; inset: -12% -16%; z-index: -1;
  background: radial-gradient(ellipse at center, rgba(255,255,255,.95) 35%, rgba(236, 230, 255, .7) 58%, transparent 72%);
  filter: blur(6px);
}
.hero__title img { width: 100%; height: auto; }

.hero__lead {
  margin-top: 10px;
  font-weight: 900; font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.45;
  text-shadow: 0 2px 12px rgba(20, 26, 62, .8);
}

.notice {
  display: inline-flex; align-items: center; gap: .5em;
  margin-top: 10px;
  color: var(--yellow);
  font-family: var(--font-round); font-weight: 900;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.4;
  text-shadow: 0 2px 12px rgba(20, 26, 62, .8);
}
.notice::before, .notice::after { content: "✦"; color: var(--gold-light); font-size: .7em; }

.hero__actions {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 14px 20px;
  margin-top: 16px;
}
.hero__date {
  display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .2em .5em;
  background: rgba(255,255,255,.96); color: var(--navy);
  border-radius: 999px;
  padding: .3em 1.2em;
  font-weight: 700; font-size: clamp(16px, 1.9vw, 22px);
  box-shadow: 0 0 40px rgba(255, 233, 168, .45);
  line-height: 1.4;
}
.hero__date-item { white-space: nowrap; }
.hero__date small { font-size: .85em; font-weight: 700; }
.hero__date b { font-size: 1.6em; font-weight: 900; font-family: var(--font-round); }
.hero__date-sep { font-size: 1.2em; }
.dow {
  display: inline-grid; place-items: center;
  width: 1.5em; height: 1.5em; border-radius: 50%;
  background: var(--navy); color: #fff;
  font-style: normal; font-size: .8em; margin-left: .2em; vertical-align: .15em;
}
.dow--sun { background: var(--red); }

.wave { position: absolute; left: 0; bottom: -1px; z-index: 1; display: block; width: 100%; height: clamp(30px, 5vw, 80px); }

@media (max-width: 767px) {
  /* SP：上端に飾り、文字の下にSP用画像（750×600）。画像の上端は夜空になじむようフェードさせる */
  .hero {
    height: auto;
    padding: 72px 0 calc(37vw + 32px);
    background:
      url("https://k-nigiwaitai.jp/wp-content/uploads/2026/10/kirameki-mainbg02.png") center top / 100% auto no-repeat,
      radial-gradient(ellipse 70% 30% at 50% 22%, rgba(214, 205, 255, .45), transparent 70%),
      linear-gradient(180deg, #1b2152 0%, #1f2a66 100%);
  }
  .hero::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; z-index: -1;
    aspect-ratio: 750 / 600;
    background: url("https://k-nigiwaitai.jp/wp-content/uploads/2026/10/kirameki-mainbg-sp.jpg") center bottom / 100% auto no-repeat;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 30%);
    mask-image: linear-gradient(to bottom, transparent 0, #000 30%);
  }
  .hero__actions { flex-direction: column; }
  .hero__date { border-radius: 20px; flex-direction: column; gap: 0; padding: .5em 1.4em; }
  .hero__date-sep { transform: rotate(90deg); line-height: 1; }
}

/* ---------- Placeholder images ---------- */
.ph {
  position: relative; overflow: hidden;
  display: grid; place-items: center;
  border-radius: 12px;
  aspect-ratio: 4 / 3;
  color: #fff; text-align: center;
}
.ph::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.06) 0 12px, transparent 12px 24px);
}
.ph__label {
  position: relative; z-index: 1;
  font-weight: 700; font-size: 15px; line-height: 1.5;
  background: rgba(0,0,0,.35); border: 1px dashed rgba(255,255,255,.7);
  padding: .5em 1em; border-radius: 8px;
}
.ph__label small { font-weight: 500; font-size: 12px; opacity: .9; }
.ph--night {
  background:
    radial-gradient(circle at 15% 70%, rgba(255, 210, 110, .9) 0 3px, transparent 4px),
    radial-gradient(circle at 25% 55%, rgba(255, 210, 110, .8) 0 4px, transparent 5px),
    radial-gradient(circle at 80% 60%, rgba(255, 210, 110, .9) 0 3px, transparent 4px),
    radial-gradient(circle at 70% 75%, rgba(255, 210, 110, .7) 0 5px, transparent 6px),
    radial-gradient(ellipse 35% 50% at 15% 85%, rgba(255, 190, 80, .55), transparent 70%),
    radial-gradient(ellipse 35% 50% at 85% 85%, rgba(255, 190, 80, .5), transparent 70%),
    radial-gradient(ellipse 20% 40% at 50% 60%, rgba(220, 220, 255, .35), transparent 70%),
    linear-gradient(180deg, #232a63, #3a3376 70%, #5b4a6e);
}
.ph--warm {
  background:
    radial-gradient(ellipse 60% 40% at 50% 30%, rgba(255, 196, 120, .7), transparent 70%),
    linear-gradient(180deg, #6b4128, #3b2418);
}

/* ---------- Section title ---------- */
.sec-title {
  text-align: center;
  font-family: var(--font-round); font-weight: 900;
  font-size: clamp(24px, 4vw, 38px);
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: clamp(28px, 4vw, 48px);
}
.sec-title__en {
  display: block;
  font-family: var(--font-base); font-size: 14px; letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: .3em;
}
.sec-title__en::before, .sec-title__en::after { content: "✦"; margin: 0 .8em; font-size: .9em; }

/* ---------- About ---------- */
.about { padding: clamp(40px, 6vw, 72px) 0 clamp(24px, 4vw, 40px); }
.about__text {
  position: relative; text-align: center;
  font-weight: 700; font-size: clamp(17px, 2.6vw, 26px);
  color: var(--navy); line-height: 1.8;
  padding: 0 clamp(24px, 6vw, 80px);
  max-width: 900px; margin: 0 auto;
}
.about__text strong { color: var(--navy); background: linear-gradient(transparent 62%, rgba(217, 166, 42, .45) 62%); }
.about__text mark { background: linear-gradient(transparent 55%, var(--yellow) 55%); color: inherit; padding: 0 .1em; }
.about__burst { position: absolute; top: 50%; width: 36px; height: 80px; transform: translateY(-50%); }
.about__burst::before, .about__burst::after { content: ""; position: absolute; width: 5px; border-radius: 3px; background: var(--gold); }
.about__burst--l { left: 0; }
.about__burst--r { right: 0; }
.about__burst::before { height: 40px; top: 0; }
.about__burst::after { height: 30px; bottom: 0; }
.about__burst--l::before { left: 16px; transform: rotate(-30deg); }
.about__burst--l::after { left: 8px; transform: rotate(-60deg); }
.about__burst--r::before { right: 16px; transform: rotate(30deg); }
.about__burst--r::after { right: 8px; transform: rotate(60deg); }

/* ---------- Prize ---------- */
.prize { padding: clamp(40px, 6vw, 72px) 0; }
.prize__card {
  position: relative;
  max-width: 760px; margin: 0 auto clamp(36px, 5vw, 56px);
  background: #fff; border-radius: 24px;
  padding: clamp(28px, 4vw, 44px) 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(29, 35, 80, .1);
  border: 3px solid var(--gold);
}
.prize__card::before, .prize__card::after { content: "✦"; position: absolute; color: var(--gold); font-size: 28px; }
.prize__card::before { top: 12px; left: 18px; }
.prize__card::after { bottom: 12px; right: 18px; }
.prize__text { font-weight: 700; font-size: clamp(16px, 2.2vw, 20px); color: var(--navy); }
.prize__amount {
  display: inline-block;
  margin: .2em 0;
  font-family: var(--font-round); font-weight: 900;
  font-size: clamp(28px, 5vw, 48px);
  color: var(--orange);
  line-height: 1.3;
  background: linear-gradient(transparent 65%, var(--yellow) 65%);
  padding: 0 .2em;
}
.prize__num { font-size: 1.6em; letter-spacing: -.02em; }
.prize__notice { text-align: center; }
.prize__notice .notice { margin-top: 0; color: var(--navy); text-shadow: none; }
.prize__notice .notice::before, .prize__notice .notice::after { color: var(--gold); }
.prize__notice .notice span { background: linear-gradient(transparent 65%, var(--yellow) 65%); padding: 0 .2em; }
.prize__sub { text-align: center; font-size: 18px; color: var(--navy); margin-bottom: 18px; }

.shops {
  display: grid; gap: 14px;
  grid-template-columns: repeat(2, 1fr);
}
.shop .ph { border-radius: 10px; }
.shop__name { text-align: center; font-size: 14px; font-weight: 700; margin-top: 6px; color: var(--navy); }
@media (min-width: 768px) { .shops { grid-template-columns: repeat(5, 1fr); gap: 18px; } }
@media (max-width: 767px) { .shops li:last-child { grid-column: 1 / -1; width: calc(50% - 7px); justify-self: center; } }
.note-right { text-align: right; font-size: 13px; margin-top: 8px; }

/* ---------- How to ---------- */
.howto { padding: clamp(40px, 6vw, 72px) 0; background: var(--lavender-2); }
.steps { display: grid; gap: 40px; counter-reset: step; }
.step {
  position: relative;
  background: #fff; border-radius: var(--radius);
  padding: 24px 20px 28px;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  box-shadow: 0 6px 20px rgba(29, 35, 80, .08);
}
.step:not(:last-child)::after {
  content: ""; position: absolute; left: 50%; bottom: -30px;
  width: 22px; height: 22px;
  border-right: 6px solid var(--gold); border-bottom: 6px solid var(--gold);
  border-radius: 3px;
  transform: translateX(-50%) rotate(45deg);
}
.step__head { display: flex; align-items: center; gap: 14px; width: 100%; }
.step__num {
  flex-shrink: 0;
  display: grid; place-items: center;
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--gold); color: #fff;
  font-family: var(--font-round); font-weight: 900; font-size: 38px; line-height: 1;
}
.step__text { font-weight: 700; color: var(--navy); font-size: 16px; line-height: 1.6; }
.step__visual { width: 100%; }
.step__caption { font-size: 14px; font-weight: 700; color: var(--navy); background: var(--lavender); padding: .3em 1em; border-radius: 999px; text-align: center; }
.map { width: 100%; height: auto; }
.pin { transform-box: fill-box; transform-origin: bottom; animation: bounce 2.4s ease-in-out infinite; }
.pin:nth-of-type(2) { animation-delay: -.8s; }
.pin:nth-of-type(3) { animation-delay: -1.6s; }

.step__img { width: 100%; max-width: 318px; margin: 0 auto; border-radius: 10px; }

@media (min-width: 960px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 44px; }
  .step { justify-content: flex-start; }
  .step:not(:last-child)::after { left: auto; right: -34px; top: 50%; bottom: auto; transform: translateY(-50%) rotate(-45deg); }
  .step__head { min-height: 100px; }
  .step__visual { flex: 1; display: flex; align-items: center; }
}

/* ---------- Entry ---------- */
.entry { padding: clamp(48px, 7vw, 80px) 0; }
.entry__box {
  position: relative; overflow: hidden;
  max-width: 820px; margin: 0 auto; text-align: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  border-radius: 28px;
  padding: clamp(36px, 5vw, 56px) 20px;
}
.entry__box::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 8% 20%, rgba(243, 201, 105, .9) 0 2px, transparent 3px),
    radial-gradient(circle at 92% 30%, rgba(243, 201, 105, .9) 0 2px, transparent 3px),
    radial-gradient(circle at 85% 80%, rgba(243, 201, 105, .7) 0 3px, transparent 4px),
    radial-gradient(circle at 15% 75%, rgba(243, 201, 105, .7) 0 3px, transparent 4px),
    radial-gradient(ellipse 40% 60% at 50% 0%, rgba(214, 205, 255, .25), transparent 70%);
}
.entry__lead { position: relative; font-family: var(--font-round); font-weight: 900; font-size: clamp(20px, 3.4vw, 30px); line-height: 1.5; }
.entry__desc { position: relative; margin: 8px 0 24px; opacity: .9; }
.entry__id { position: relative; margin-top: 16px; font-size: 15px; }
.entry__id b { color: var(--gold-light); letter-spacing: .04em; }

/* ---------- Outline ---------- */
.outline { padding: clamp(40px, 6vw, 72px) 0; }
.outline__list {
  max-width: 860px; margin: 0 auto;
  background: #fff; border-radius: var(--radius);
  padding: 8px clamp(16px, 4vw, 40px);
  box-shadow: 0 6px 20px rgba(29, 35, 80, .08);
}
.outline__list > div { display: grid; gap: 4px; padding: 18px 0; border-bottom: 1px dashed var(--lavender-2); }
.outline__list > div:last-child { border-bottom: none; }
.outline__list dt { font-weight: 700; color: var(--gold); font-size: 14px; }
.outline__list dd { margin: 0; font-weight: 500; }
.outline__list dd small { color: #666; }
@media (min-width: 768px) {
  .outline__list > div { grid-template-columns: 160px 1fr; gap: 20px; }
  .outline__list dt { font-size: 16px; color: var(--navy); }
  .outline__list dt::before { content: "✦"; color: var(--gold); margin-right: .5em; }
}

/* ---------- Notes ---------- */
.notes { padding: 0 0 clamp(48px, 7vw, 80px); }
.notes__box { max-width: 860px; margin: 0 auto; }
.notes__title { font-size: 20px; color: var(--navy); margin-bottom: 8px; }
.notes ul li { font-size: 15px; padding-left: 1em; text-indent: -1em; }
.notes ul li::before { content: "※"; }

/* ---------- Footer ---------- */
.site-footer { position: relative; background: var(--lavender); }
.skyline { display: block; width: 100%; height: clamp(110px, 14vw, 200px); }
.skyline__wire { stroke: #1d2350; stroke-width: 1.5; opacity: .5; }
.skyline__bulbs circle { fill: #ffd76b; filter: drop-shadow(0 0 4px #ffc93c); animation: twinkle 1.8s ease-in-out infinite alternate; }
.skyline__bulbs circle:nth-child(even) { animation-delay: -.9s; }
.site-footer__body { background: var(--navy); color: #fff; text-align: center; padding: 28px 16px 100px; margin-top: -1px; }
.site-footer__logo { font-family: var(--font-round); font-weight: 900; font-size: 22px; }
.site-footer__org { font-size: 14px; opacity: .85; margin-top: 4px; }
.site-footer__copy { margin-top: 16px; opacity: .6; }
@media (min-width: 768px) { .site-footer__body { padding-bottom: 32px; } }

/* ---------- Fixed CTA (SP) ---------- */
.fixed-cta {
  position: fixed; left: 16px; right: 16px; bottom: 14px; z-index: 40;
  font-size: 17px;
  transform: translateY(140%); transition: transform .35s;
}
.fixed-cta.is-show { transform: none; }
@media (min-width: 768px) { .fixed-cta { display: none; } }

/* ---------- Page top ---------- */
.page-top {
  position: fixed; right: 16px; bottom: 16px; z-index: 45;
  display: grid; place-items: center;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--navy); color: var(--gold-light);
  border: 2px solid var(--gold-light);
  box-shadow: 0 4px 14px rgba(20, 26, 62, .35);
  transition: bottom .35s, transform .2s;
}
.page-top:hover { transform: translateY(-2px); }
.page-top svg { width: 26px; height: 26px; }
/* SPは画面下の固定ボタンが出ている間、その上に逃がす */
@media (max-width: 767px) { .fixed-cta.is-show ~ .page-top { bottom: 88px; } }

/* ---------- Animations ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@keyframes twinkle { from { opacity: .45; } to { opacity: 1; } }
@keyframes shine { 0%, 60% { left: -60%; } 100% { left: 130%; } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Adjustments ---------- */
.btn { white-space: nowrap; }
.prize__amount { display: block; background: none; padding: 0; }
.prize__hl {
  background: linear-gradient(transparent 65%, var(--yellow) 65%);
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
  padding: 0 .2em;
}
@media (max-width: 767px) {
  .about__burst { display: none; }
  .about__text { padding: 0; }
  .prize__card { padding: 36px 20px 32px; }
  .prize__card::before { top: 6px; left: 12px; font-size: 22px; }
  .prize__card::after { bottom: 6px; right: 12px; font-size: 22px; }
  .hero__ribbon { font-size: 12px; padding: .45em 1.4em; }
  .step__text { font-size: 15px; }
  .step__text br { display: none; }
}
/* SPはヘッダーのボタンを隠し、画面下の固定ボタンに任せる */
@media (max-width: 767px) {
  .site-header__cta { display: none; }
}