/* プロンプティア セールスレター — design tokens */
:root{
  --bg:#05070F;
  --bg2:#0B1226;
  --paper:#FFFFFF;
  --ink:#252120;
  --ink-sub:#5E5753;
  --gold:#D4AF37;
  --gold-hi:#F6DF8E;
  --gold-lo:#9C7A1E;
  --gold-ink:#8A5E12;      /* 白地の強調用（コントラスト 6.4:1） */
  --cream:#EFE8D6;         /* 黒地の本文 */
  --line:rgba(212,175,55,.55);
  --box-w:920px;
  --fs:19px;
  --lh:2.15;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Hiragino Mincho ProN","Hiragino Mincho Pro","Yu Mincho","YuMincho","Noto Serif JP",serif;
  font-size:var(--fs);line-height:var(--lh);font-feature-settings:"palt";
  background-image:
    radial-gradient(1200px 600px at 50% -10%,rgba(52,96,190,.22),transparent 60%),
    radial-gradient(900px 500px at 50% 100%,rgba(30,60,140,.18),transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit}
p{margin:0 0 1.6em}
p:last-child{margin-bottom:0}
strong{font-weight:700;color:var(--gold-ink)}
.dark strong{color:var(--gold-hi)}
.cinzel{font-family:"Cinzel","Noto Serif JP",serif;letter-spacing:.22em}

/* ---------- hero ---------- */
.hero{position:relative;width:100%;overflow:hidden;background:#000}
.hero picture,.hero img{width:100%;height:auto}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:38%;
  background:linear-gradient(to bottom,rgba(5,7,15,0) 0%,rgba(5,7,15,.85) 75%,var(--bg) 100%)}
.hero-lead{position:relative;z-index:2;text-align:center;padding:0 20px 20px;margin-top:-12vw}
.hero-lead .eyebrow{color:var(--gold-hi);font-size:.78em;letter-spacing:.3em;margin:0 0 .9em;text-shadow:0 0 18px rgba(246,223,142,.45)}
.hero-lead h1{font-weight:700;font-size:clamp(22px,3.6vw,40px);line-height:1.7;margin:0;color:#fff;
  text-shadow:0 2px 24px rgba(0,0,0,.9),0 0 40px rgba(52,96,190,.35)}
.hero-lead h1 .gold{background:linear-gradient(180deg,var(--gold-hi) 0%,var(--gold) 55%,var(--gold-lo) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.rule{width:min(560px,70%);height:1px;margin:26px auto;background:linear-gradient(90deg,transparent,var(--gold),transparent);position:relative}
.rule::after{content:"◆";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:var(--gold);font-size:11px;background:var(--bg);padding:0 10px}

/* ---------- 最上段タイマー ---------- */
.top-timer{padding:22px 16px 18px;border-bottom:1px solid rgba(212,175,55,.35);background:linear-gradient(180deg,#0B1226,#05070F)}
.top-timer .timer{margin:0 auto}
@media(max-width:480px){.top-timer{padding:16px 10px 12px}}

/* ---------- dark blocks ---------- */
.dark{color:var(--cream);text-align:center;padding:40px 20px 64px}
.dark .inner{max-width:760px;margin:0 auto}
.dark p{margin-bottom:1.9em}
.dark .big{font-size:1.18em;font-weight:700;color:#fff}
.dark .sub{color:rgba(239,232,214,.82);font-size:.95em}

/* ---------- white paper boxes ---------- */
.paper{max-width:var(--box-w);margin:0 auto;background:var(--paper);color:var(--ink);
  padding:84px 96px;box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(212,175,55,.18)}
.paper + .paper{margin-top:64px}
.paper h2{font-weight:400;text-align:center;font-size:clamp(24px,3.2vw,36px);line-height:1.6;margin:0 0 1.4em;color:var(--ink);position:relative;padding-bottom:.55em}
.paper h2::after{content:"";position:absolute;left:50%;bottom:0;width:72px;height:2px;transform:translateX(-50%);
  background:linear-gradient(90deg,var(--gold-lo),var(--gold-hi),var(--gold-lo))}
.paper h3{font-size:1.1em;font-weight:700;margin:2.2em 0 .9em;color:var(--ink);border-left:4px solid var(--gold);padding-left:.7em;line-height:1.6}
.paper ul{padding-left:1.3em;margin:0 0 1.6em}
.paper li{margin:.35em 0}
.paper .lead{font-size:1.06em}
.paper .note{font-size:.88em;color:var(--ink-sub)}
.paper .quote{background:#FBF8F0;border:1px solid rgba(212,175,55,.35);padding:22px 26px;margin:1.2em 0 1.8em;font-size:.96em}
.paper .quote p{margin-bottom:.9em}
.stat{display:grid;gap:14px;margin:1.4em 0 1.8em}
.stat li{list-style:none;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:baseline;padding:14px 18px;background:#FBF8F0;border-left:3px solid var(--gold)}
.stat b{font-family:"Cinzel","Noto Serif JP",serif;font-size:1.55em;color:var(--gold-ink);line-height:1;letter-spacing:.02em}
.stat small{display:block;color:var(--ink-sub);font-size:.82em}
.toc{margin:1.4em 0 2em}
.toc .part{margin:1.4em 0 .4em;font-weight:700;color:var(--gold-ink);letter-spacing:.04em}
.toc ol{margin:0;padding-left:1.6em}
.toc li{margin:.25em 0}
.toc .intro{font-weight:700;margin-top:.6em}
.bonus{border:1px solid rgba(212,175,55,.5);padding:26px 28px;margin:1.2em 0}
.bonus h4{margin:0 0 .6em;font-size:1.05em;color:var(--gold-ink)}
.bonus p{margin-bottom:.8em}
.faq dt{font-weight:700;margin:1.8em 0 .5em;color:var(--ink);padding-left:1.6em;text-indent:-1.6em}
.faq dt::before{content:"Q.";color:var(--gold-ink);margin-right:.5em}
.faq dd{margin:0;padding-left:1.6em;text-indent:-1.6em;font-size:.97em}
.faq dd::before{content:"A.";color:var(--ink-sub);margin-right:.5em}
.faq dd p{text-indent:0;padding-left:0;margin:0 0 .4em}
.sign{text-align:right;margin-top:2.4em;font-weight:700}

/* ---------- price ---------- */
.price{text-align:center;margin:1.2em 0 1.6em}
.price .num{font-family:"Cinzel","Noto Serif JP",serif;font-size:clamp(40px,6vw,60px);color:var(--gold-ink);line-height:1.1;letter-spacing:.02em}
.price .num small{font-family:"Noto Serif JP",serif;font-size:.42em;margin-left:.2em;letter-spacing:0}
.price .tax{font-size:.85em;color:var(--ink-sub)}
.price .split{margin-top:.9em;font-size:.95em;color:var(--gold-ink);font-weight:700;line-height:1.8}
.price .split small{display:block;font-weight:400;color:var(--ink-sub);font-size:.8em}

/* ---------- order card (UTAGE 商品選択の写し) ---------- */
.order{border:1px solid rgba(212,175,55,.55);background:#FFFDF8;padding:28px 30px 26px;margin:1.6em 0 .4em;text-align:left}
.order-head{display:flex;justify-content:space-between;font-weight:700;font-size:.95em;border-bottom:2px solid #252120;padding-bottom:.35em;margin-bottom:.3em}
.order-head.sum{margin-top:1.3em}
.order-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:.7em 0;border-bottom:1px solid #E4DDD1}
.order-name{display:flex;align-items:center;gap:.5em;flex-wrap:wrap}
.order-name small{display:block;width:100%;font-size:.78em;color:var(--ink-sub);padding-left:1.7em}
.order-price{white-space:nowrap;font-weight:700;color:var(--gold-ink);font-size:1.08em}
.order-price small{font-size:.7em;font-weight:400;color:var(--ink-sub);margin-left:.15em}
.radio{width:18px;height:18px;border-radius:50%;border:2px solid var(--gold-lo);display:inline-block;position:relative;flex:none}
.radio::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--gold-lo)}
.order .cta{margin-top:1.6em}
@media(max-width:600px){.order{padding:20px 16px 18px;text-align:left}.order-name small{padding-left:1.6em}}

/* ---------- countdown timer ---------- */
.timer{text-align:center;margin:2.4em auto 1.4em;max-width:760px}
.timer-label{font-size:1.05em;font-weight:700;color:var(--ink);margin:0 0 .8em;letter-spacing:.06em}
.timer-boxes{display:flex;justify-content:center;gap:14px}
.timer-boxes>div{flex:1;max-width:170px;background:#FFFDF8;border:1px solid rgba(212,175,55,.6);border-top:4px solid var(--gold);padding:18px 8px 14px;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.timer-boxes b{display:block;font-family:"Cinzel","Noto Serif JP",serif;font-size:clamp(40px,6.5vw,68px);line-height:1;color:var(--gold-ink);font-weight:700;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.timer-boxes span{display:block;font-size:.85em;color:var(--ink-sub);margin-top:.5em;letter-spacing:.12em}
.timer.over .timer-boxes{opacity:.35}
.dark .timer-boxes>div{background:rgba(255,255,255,.04);border-color:rgba(212,175,55,.5)}
.dark .timer-boxes b{color:var(--gold-hi)}.dark .timer-label{color:#fff}.dark .timer-boxes span{color:rgba(239,232,214,.85)}.dark .timer-boxes>div{box-shadow:0 0 30px rgba(212,175,55,.12)}
.sticky-cd{margin:6px 0 0;text-align:center;font-size:12px;color:rgba(239,232,214,.85);letter-spacing:.06em;font-variant-numeric:tabular-nums}
@media(max-width:480px){.timer-boxes{gap:8px}.timer-boxes>div{padding:14px 4px 10px}.timer-boxes b{font-size:36px}.timer-boxes span{font-size:.75em}.timer-label{font-size:.95em}}

/* ---------- CTA ---------- */
.cta{text-align:center;margin:2.6em 0 .4em}
.cta .btn{display:block;max-width:720px;margin:0 auto;padding:24px 20px;border-radius:999px;text-decoration:none;
  font-weight:700;font-size:clamp(17px,2.2vw,21px);letter-spacing:.06em;color:#1a1305;
  background:linear-gradient(180deg,#F9E7A3 0%,#E2BE4F 45%,#C89A25 100%);
  box-shadow:0 10px 30px rgba(200,154,37,.35),inset 0 1px 0 rgba(255,255,255,.7);
  border:1px solid rgba(255,248,220,.7);transition:transform .15s ease,box-shadow .15s ease}
.cta .btn:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(200,154,37,.45),inset 0 1px 0 rgba(255,255,255,.7)}
.cta .btn:focus-visible{outline:3px solid #1a1305;outline-offset:3px}
.cta .deadline{margin-top:.9em;font-size:.9em;color:var(--ink-sub)}
.dark .cta .deadline{color:rgba(239,232,214,.8)}
.countdown{font-family:"Cinzel","Noto Serif JP",serif;letter-spacing:.08em;color:var(--gold-ink)}
.dark .countdown{color:var(--gold-hi)}

/* ---------- cinematic dividers ---------- */
.divider{position:relative;width:100%;height:clamp(200px,26vw,420px);margin:72px 0 0;overflow:hidden;background:#000}
.divider img{width:100%;height:100%;object-fit:cover;object-position:center 40%;opacity:1}
.divider::before,.divider::after{content:"";position:absolute;left:0;right:0;height:26%;pointer-events:none}
.divider::before{top:0;background:linear-gradient(to bottom,var(--bg),rgba(5,7,15,0))}
.divider::after{bottom:0;background:linear-gradient(to top,var(--bg),rgba(5,7,15,0))}
.divider .label{position:absolute;inset:0 0 40px 0;display:grid;place-items:center;z-index:2;text-align:center;color:#fff;text-shadow:0 2px 20px rgba(0,0,0,.95),0 0 40px rgba(0,0,0,.8)}
.divider .label>div{background:rgba(5,7,15,.35);padding:14px 34px;border:1px solid rgba(212,175,55,.35);backdrop-filter:blur(2px)}
.divider .label .en{font-family:"Cinzel",serif;letter-spacing:.35em;font-size:.8em;color:var(--gold-hi);margin-bottom:.5em}
.divider .label .ja{font-size:clamp(22px,3vw,34px);font-weight:700;letter-spacing:.12em}
.divider + .paper{margin-top:-40px;position:relative;z-index:3}

/* ---------- footer ---------- */
footer{color:rgba(239,232,214,.6);text-align:center;font-size:.8em;padding:80px 20px 120px}
footer a{color:rgba(239,232,214,.75);margin:0 .8em}

/* ---------- 追尾トップバー ---------- */
.topbar{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:center;gap:18px;padding:12px 16px;
  background:rgba(5,7,15,.9);backdrop-filter:blur(8px);border-bottom:1px solid rgba(212,175,55,.45);color:var(--cream);
  transform:translateY(-110%);transition:transform .3s ease;font-size:14px;letter-spacing:.04em}
.topbar.show{transform:none}
.topbar-label{opacity:.85}
.topbar-cd{font-family:"Cinzel","Noto Serif JP",serif;color:var(--gold-hi);font-weight:700;font-size:1.5em;font-variant-numeric:tabular-nums;letter-spacing:.08em}
.topbar-btn{text-decoration:none;font-weight:700;color:#1a1305;background:linear-gradient(180deg,#F9E7A3,#E2BE4F 45%,#C89A25);padding:7px 16px;border-radius:999px;font-size:13px;white-space:nowrap}
@media(max-width:600px){.topbar{gap:8px;padding:8px 8px;font-size:12px}.topbar-label{display:none}.topbar::before{content:"受付終了まで";opacity:.85;white-space:nowrap;font-size:11px}.topbar-cd{white-space:nowrap;font-size:1.15em!important}.topbar-btn{padding:5px 10px;font-size:11px}.topbar-btn{padding:6px 12px;font-size:12px}}

/* ---------- sticky bar (sp) ---------- */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(5,7,15,.88);backdrop-filter:blur(8px);border-top:1px solid rgba(212,175,55,.35);
  transform:translateY(110%);transition:transform .3s ease}
.sticky.show{transform:none}
.sticky a{display:block;text-align:center;text-decoration:none;font-weight:700;color:#1a1305;padding:14px;border-radius:999px;
  background:linear-gradient(180deg,#F9E7A3,#E2BE4F 45%,#C89A25);font-size:16px;letter-spacing:.06em}
@media(min-width:900px){.sticky{display:none}}

/* ---------- responsive ---------- */
@media(max-width:900px){
  :root{--fs:17px;--lh:2.05}
  .paper{padding:56px 28px;margin-left:14px;margin-right:14px}
  .paper + .paper{margin-top:40px}
  .hero-lead{margin-top:-8vw}
}
@media(max-width:600px){
  .dark p br,.paper p br{display:none}
  .hero-lead .eyebrow{font-size:.66em;letter-spacing:.12em}
}
@media(max-width:480px){
  :root{--fs:16.5px}
  .paper{padding:44px 20px;margin-left:0;margin-right:0;box-shadow:none}
  .stat li{grid-template-columns:1fr;gap:4px}
  .hero-lead h1{font-size:21px}
  .divider{height:210px;margin-top:48px}
  .cta .btn{padding:20px 16px;font-size:17px}
  footer{padding-bottom:140px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* ---------- SP: 中央揃えレイアウト ---------- */
@media(max-width:600px){
  :root{--lh:2.0}
  .paper{text-align:center;padding:48px 22px}
  .paper h2{font-size:22px;margin-bottom:1.3em}
  .paper h3{border-left:0;padding:0 0 .5em;margin:2em 0 1em;text-align:center;position:relative}
  .paper h3::after{content:"";display:block;width:48px;height:2px;margin:.55em auto 0;background:linear-gradient(90deg,var(--gold-lo),var(--gold-hi),var(--gold-lo))}
  .paper ul,.paper ol{list-style:none;padding:0;margin:0 0 1.6em}
  .paper li{margin:.55em 0}
  .paper ul li::before{content:"◆";color:var(--gold);font-size:.6em;display:block;margin:0 auto .2em}
  .stat{gap:10px}
  .stat li{grid-template-columns:1fr;text-align:center;padding:16px 14px;border-left:0;border-top:3px solid var(--gold)}
  .stat b{font-size:1.7em;display:block;margin-bottom:.25em}
  .stat li::before{display:none}
  .toc .part{margin-top:1.6em}
  .toc ol li{margin:.4em 0}
  .toc ol li::before{content:"— ";color:var(--gold)}
  .bonus{padding:22px 18px}
  .faq dt,.faq dd{padding-left:0;text-indent:0}
  .faq dt{margin-top:2em}
  .faq dt::before{display:block;margin:0 0 .2em;font-family:"Cinzel",serif;letter-spacing:.1em}
  .faq dd::before{display:none}
  .sign{text-align:center;margin-top:2em}
  .cta{margin-top:2.2em}
  .divider .label>div{padding:10px 22px}
  .divider .label .ja{font-size:19px}
  .hero-lead{margin-top:-6vw}
}