/* ==========================================================================
   SAKE QUEST Landing Page — lp.css
   Issue #724: lp-hybrid-v4.html → Blade 移植用統合CSS
   Base: lp-hybrid.css + v4 inline <style> を統合
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Noto+Serif+JP:wght@500;700;900&family=Spline+Sans:wght@300;400;700&display=swap');

*{margin:0;padding:0;box-sizing:border-box}

:root{
  /* Base tokens */
  --cream:#FFF8F0;--warm:#F5E6D3;--gold:#D4A017;--gold-light:rgba(212,160,23,.12);
  --dark:#0A0A0F;--navy:#16213E;--gray:#888;--text:#1a1a1a;
  --serif:'Noto Serif JP',serif;--sans:'Noto Sans JP',sans-serif;

  /* Classic Red theme tokens — v4 mockup 準拠 */
  --t-bg:#FAFAFA;--t-bg2:#F5F0EB;--t-bg3:#EFEBE5;--t-bg4:#E8E0D8;--t-bg5:#E0D8D0;
  --t-accent:#C23030;--t-accent-lt:rgba(194,48,48,.1);--t-accent-shadow:rgba(194,48,48,.3);
  --t-text:#1a1a1a;--t-text2:#555;--t-gray:#777;
  --t-hero-from:#fff;--t-hero-to:#F5F0EB;
  --t-dark:#1a0a0a;--t-dark2:#140808;
  --t-card-bg:#fff;--t-card-border:rgba(194,48,48,.06);
  /* WHY section — 深み臙脂 #AE1F24（v4 原本ハードコード値） */
  --t-why-bg-from:#faf5f5;--t-why-bg-to:#f0e5e5;--t-why-card:rgba(255,255,255,.7);
  --t-why-em:#AE1F24;--t-why-strong:#1a1a1a;
  /* NTA banner — 同じく #AE1F24 */
  --t-nta-bg:linear-gradient(135deg,#faf5f5,#f0e8e5);--t-nta-seal:#AE1F24;
  --t-proof-bg:#F5F0EB;
  --t-wave-fill:#1a0a0a;
  --t-only-here-accent:rgba(194,48,48,.1);--t-only-here-color:#C23030;
}

html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--t-text);background:var(--t-bg);
  overflow-x:hidden;-webkit-font-smoothing:antialiased}

/* ===== Classic Red Theme Application ===== */
.hero{background:linear-gradient(180deg,var(--t-hero-from) 0%,var(--t-bg) 60%,var(--t-bg2) 100%)}
.hero__noren{color:var(--t-accent)}
.hero__sub{color:var(--t-gray)}
.hero__scroll{color:var(--t-accent)}
.proof{background:var(--t-proof-bg);border-color:rgba(0,0,0,.05)}
.proof__num{color:var(--t-accent)}
.proof__label,.marquee__card-text{color:var(--t-gray)}
.marquee__card{background:var(--t-card-bg);border-color:var(--t-card-border)}
.marquee__card-stars{color:var(--t-accent)}
.features{background:linear-gradient(180deg,var(--t-bg) 0%,var(--t-bg3) 50%,var(--t-bg4) 100%)}
.feat-text__badge{background:var(--t-accent-lt);color:var(--t-accent)}
.feat-text__desc{color:var(--t-text2)}
.gallery{background:linear-gradient(180deg,var(--t-bg4),var(--t-bg5))}
.gallery__badge{background:var(--t-accent-lt);color:var(--t-accent)}
.gallery__desc{color:var(--t-text2)}
.gallery__count{color:var(--t-accent)}
.gallery__stamp{background:var(--t-card-bg);border-color:var(--t-card-border)}
.only-here{background:var(--t-bg5)}
.only-here__badge{background:var(--t-only-here-accent);color:var(--t-only-here-color)}
.only-here__item{background:var(--t-card-bg);border-color:var(--t-card-border)}
.only-here__item div{color:var(--t-text)}
.only-here__item small{color:var(--t-gray)}
.wave svg path{fill:var(--t-wave-fill)}
.premium{background:var(--t-dark)}
.premium__badge{background:var(--t-accent-lt);color:var(--t-accent)}
.trust{background:var(--t-dark2)}
.final{background:linear-gradient(180deg,var(--t-dark2),var(--t-dark))}
.cta--gold{background:linear-gradient(135deg,#AE1F24,#8B1A1A);color:#fff;box-shadow:0 6px 24px rgba(174,31,36,.35)}
.cta--white{background:var(--t-card-bg);color:var(--t-text)}
.fixed-cta{background:rgba(26,10,10,.92)}
.fixed-cta__btn{background:linear-gradient(135deg,#AE1F24,#8B1A1A)}
.nta-trust{background:var(--t-nta-bg)}
.nta-trust__seal{background:#AE1F24}
.nta-trust__title{color:#AE1F24}
.nta-trust__detail{color:#555}
.nta-trust__project{color:#888}
.why{background:linear-gradient(180deg,var(--t-why-bg-from),var(--t-why-bg-to))}
.why__letter{background:var(--t-why-card);border-color:rgba(0,0,0,.04)}
.why__dear{color:#AE1F24}
.why__lead,.why__body{color:#333}
.why__lead em,.why__body em{color:#AE1F24;font-style:normal;font-weight:700}
.why__body strong{color:#1a1a1a}
.why__more{color:#AE1F24;border-color:#AE1F24}
.why__sign-text{color:#555}
.why__sign-text strong{color:#1a1a1a}
.why__vision-copy{color:#1a1a1a}
.why__vision-copy strong{color:#AE1F24}
.why__vision-desc{color:#666}

/* ===== [1] HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:80px 24px 48px;position:relative}
.hero__noren{font-size:10px;letter-spacing:8px;margin-bottom:16px}
.hero__logo{font-family:var(--serif);font-size:clamp(28px,6vw,42px);font-weight:900;
  letter-spacing:3px;margin-bottom:8px}
.hero__logo small{display:block;font-size:11px;font-weight:400;letter-spacing:5px;
  color:var(--gray);margin-top:6px}
.hero__catch{font-family:var(--serif);font-size:clamp(18px,4vw,26px);font-weight:700;
  line-height:1.7;margin:20px 0}
.hero__sub{font-size:12px;line-height:1.9;margin-bottom:28px}
.hero__scroll{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  font-size:10px;letter-spacing:3px;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)}}

.hero__real-logo{width:72px;height:72px;margin:0 auto 12px}
.hero__real-logo img{width:100%;height:100%}

/* ===== CTA Button ===== */
.cta{display:inline-block;padding:15px 36px;border-radius:50px;font-size:14px;
  font-weight:700;text-decoration:none;border:none;cursor:pointer;
  font-family:var(--sans);transition:all .3s ease}
.cta--gold:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(174,31,36,.45)}
.cta--outline{background:transparent;border:1.5px solid var(--gold);color:var(--gold)}
.cta--outline:hover{background:var(--gold);color:#fff}
.cta--white{box-shadow:0 2px 12px rgba(0,0,0,.08)}
.cta__note{display:block;font-size:10px;color:var(--gray);margin-top:10px}

/* ===== [3] FEATURES — Phone-in-Phone ===== */
.features{padding:64px 24px}
.features__inner{max-width:480px;margin:0 auto}
.feat-block{display:flex;gap:20px;align-items:center;margin-bottom:56px}
.feat-block--rev{flex-direction:row-reverse}
.feat-block:last-child{margin-bottom:0}

/* Feature text */
.feat-text{flex:1}
.feat-text__badge{display:inline-block;font-size:8px;font-weight:700;padding:3px 10px;
  border-radius:20px;margin-bottom:8px}
.feat-text__title{font-family:var(--serif);font-size:clamp(16px,3.5vw,20px);
  font-weight:700;margin-bottom:8px}
.feat-text__desc{font-size:11px;line-height:1.8}

/* SS Frame & Carousel */
.ss-frame{position:relative;width:240px;border-radius:24px;overflow:hidden;
  box-shadow:0 20px 60px rgba(0,0,0,.3);border:3px solid #222;flex-shrink:0}
.ss-frame img{width:100%;display:block}
.ss-carousel{position:relative;width:100%;overflow:hidden;touch-action:pan-y}
.ss-carousel__track{display:flex;transition:transform .35s cubic-bezier(.4,0,.2,1);will-change:transform}
.ss-carousel__track img{width:100%;flex-shrink:0;display:block;pointer-events:none}
.ss-dots{position:absolute;bottom:8px;left:0;right:0;display:flex;justify-content:center;gap:5px;z-index:2}
.ss-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.35);
  border:1px solid rgba(0,0,0,.1);transition:all .2s}
.ss-dot.active{background:#fff;transform:scale(1.3);box-shadow:0 0 4px rgba(0,0,0,.3)}

/* Mid CTA */
.mid-cta{text-align:center;padding:40px 24px 0}

/* ===== [3.5] GOSHUIN GALLERY ===== */
.gallery{padding:56px 24px;text-align:center}
.gallery__inner{max-width:480px;margin:0 auto}
.gallery__badge{display:inline-block;font-size:9px;font-weight:700;padding:4px 14px;
  border-radius:20px;letter-spacing:2px;margin-bottom:12px}
.gallery__title{font-family:var(--serif);font-size:clamp(16px,3.5vw,22px);font-weight:700;margin-bottom:8px;color:var(--t-text)}
.gallery__desc{font-size:11px;line-height:1.8;margin-bottom:24px}
.gallery__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.gallery__count{font-size:11px;font-weight:500}
.gallery__count strong{font-size:14px}

/* Real stamps */
.stamp-real{width:100%;border-radius:12px;overflow:hidden;background:#fff;
  box-shadow:0 2px 8px rgba(0,0,0,.06);border:1.5px solid rgba(212,160,23,.15);
  transition:transform .2s;aspect-ratio:1;object-fit:cover}
.stamp-real:hover{transform:translateY(-3px) scale(1.03)}
.stamp-locked{width:100%;aspect-ratio:1;border-radius:12px;background:rgba(0,0,0,.04);
  border:1.5px dashed rgba(0,0,0,.12);display:flex;align-items:center;
  justify-content:center;font-size:20px;color:rgba(0,0,0,.15);opacity:.4}

/* Cover image */
.cover-bg{width:100%;max-width:480px;margin:0 auto;border-radius:16px;overflow:hidden;
  box-shadow:0 8px 32px rgba(0,0,0,.1)}
.cover-bg img{width:100%;display:block}

/* ===== NTA Trust Banner ===== */
.nta-trust{background:linear-gradient(135deg,#f9f6f0 0%,#f0ebe0 100%);
  padding:16px 20px;border-bottom:1px solid rgba(174,31,36,.08)}
.nta-trust__inner{display:flex;align-items:center;gap:14px;max-width:480px;margin:0 auto}
.nta-trust__seal{width:44px;height:44px;flex-shrink:0;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(174,31,36,.25)}
.nta-trust__seal-kanji{color:#fff;font-family:var(--serif);font-size:18px;font-weight:900}
.nta-trust__body{flex:1;min-width:0}
.nta-trust__title{font-family:var(--serif);font-size:11px;font-weight:700;
  line-height:1.4;margin-bottom:3px}
.nta-trust__detail{font-size:9px;line-height:1.5}
.nta-trust__project{font-size:8px;margin-top:3px;
  border-top:1px solid rgba(0,0,0,.06);padding-top:3px}

/* ===== WHY — 伊藤正幸の手紙 ===== */
.why{background:linear-gradient(180deg,#f9f6f0 0%,#f4ede3 40%,#e8e0d5 100%);
  padding:48px 24px}
.why__inner{max-width:480px;margin:0 auto}
.why__letter{background:rgba(255,255,255,.6);border-radius:16px;padding:32px 24px;
  border:1px solid rgba(174,31,36,.06);
  box-shadow:0 4px 24px rgba(0,0,0,.03)}
.why__dear{font-family:var(--serif);font-size:14px;font-weight:700;
  margin-bottom:20px;letter-spacing:2px}
.why__body{font-family:var(--serif);font-size:13px;line-height:2.2}
.why__body p{margin-bottom:16px}
.why__body em{font-style:normal;font-weight:700}
.why__body strong{font-size:15px;display:block;margin:20px 0;
  text-align:center;letter-spacing:2px}
.why__sign{display:flex;align-items:center;gap:12px;margin-top:24px;
  padding-top:16px;border-top:1px solid rgba(0,0,0,.06)}
.why__sign-photo{width:52px;height:52px;border-radius:50%;object-fit:cover;
  border:2px solid rgba(174,31,36,.15)}
.why__sign-text{font-size:11px;line-height:1.6}
.why__sign-text strong{font-family:var(--serif);font-size:14px;
  display:inline;letter-spacing:1px}
.why__sign-text small{font-size:9px;color:#999}
.why__vision{text-align:center;margin-top:32px}
.why__vision-copy{font-family:var(--serif);font-size:18px;font-weight:700;
  line-height:2;margin-bottom:12px}
.why__vision-copy strong{display:inline;font-size:inherit}
.why__vision-desc{font-size:12px;line-height:2}

/* WHY accordion */
.why__lead{font-family:var(--serif);font-size:13px;line-height:2.2}
.why__lead p{margin-bottom:12px}
.why__lead em{font-style:normal;font-weight:700}
.why__details{margin-top:4px}
.why__details summary{list-style:none;cursor:pointer}
.why__details summary::-webkit-details-marker{display:none}
.why__more{display:inline-block;font-family:var(--serif);font-size:12px;
  border-bottom:1px dashed;padding-bottom:2px;
  letter-spacing:1px;transition:opacity .2s}
.why__more:hover{opacity:.7}
.why__details[open] .why__more{opacity:.4;font-size:10px;margin-bottom:12px}
.why__details .why__body{animation:fadeSlide .4s ease}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* ===== [4] WAVE TRANSITION ===== */
.wave{width:100%;overflow:hidden;line-height:0;margin:-1px 0}
.wave svg{display:block;width:100%;height:clamp(40px,6vw,80px)}

/* ===== [5] PREMIUM ZONE ===== */
.premium{color:#fff;padding:64px 24px;text-align:center}
.premium__inner{max-width:480px;margin:0 auto}
.premium__badge{display:inline-block;font-size:9px;font-weight:700;padding:4px 14px;
  border-radius:20px;letter-spacing:2px;margin-bottom:16px}
.premium__title{font-family:var(--serif);font-size:clamp(18px,4vw,24px);
  font-weight:700;line-height:1.6;margin-bottom:12px}
.premium__desc{font-size:12px;color:rgba(255,255,255,.5);line-height:1.9;margin-bottom:24px}
.premium__link{color:var(--gold);font-size:12px;text-decoration:none;
  border-bottom:1px solid rgba(212,160,23,.3);padding-bottom:2px}
.premium__card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:16px;padding:24px 20px;text-align:center;max-width:400px;margin:0 auto}
.premium__card-title{font-family:var(--serif);font-size:15px;font-weight:700;
  color:var(--gold);margin-bottom:8px;letter-spacing:1px}
.premium__card-desc{font-size:11px;color:rgba(255,255,255,.5);line-height:1.8;margin-bottom:16px}

/* ===== [6] TRUST & FAQ ===== */
.trust{color:#fff;padding:48px 24px}
.trust__inner{max-width:480px;margin:0 auto}
.trust__badges{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.trust__badge{font-size:10px;padding:8px 14px;border-radius:8px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  color:rgba(255,255,255,.6)}
.faq{margin:8px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.faq summary{font-size:12px;font-weight:700;padding:14px 0;cursor:pointer;
  list-style:none;color:rgba(255,255,255,.8)}
.faq summary::before{content:'＋ ';color:var(--gold);font-weight:400}
.faq[open] summary::before{content:'－ '}
.faq p{font-size:11px;padding:0 0 14px;color:rgba(255,255,255,.4);line-height:1.8}

/* ===== [7] FINAL CTA ===== */
.final{padding:64px 24px;text-align:center}
.final__inner{max-width:480px;margin:0 auto}
.final__copy{font-family:var(--serif);font-size:clamp(16px,3.5vw,22px);
  font-weight:700;color:#fff;line-height:1.7;margin-bottom:24px}
.final__legal{font-size:9px;color:rgba(255,255,255,.2);margin-top:20px;line-height:1.8}
.final__legal a{color:rgba(255,255,255,.3);text-decoration:none}

/* ===== Fixed CTA Bar ===== */
.fixed-cta{position:fixed;bottom:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(12px);
  border-top:1px solid rgba(194,48,48,.15);padding:10px 20px;
  display:flex;align-items:center;justify-content:center;gap:12px;
  transform:translateY(100%);transition:transform .4s ease}
.fixed-cta.show{transform:translateY(0)}
.fixed-cta__text{font-size:11px;color:rgba(255,255,255,.7);font-weight:500}
.fixed-cta__btn{padding:10px 24px;border-radius:50px;font-size:12px;font-weight:700;
  color:#fff;border:none;cursor:pointer;font-family:var(--sans);white-space:nowrap}

/* ===== Responsive ===== */
@media(max-width:480px){
  .feat-block,.feat-block--rev{flex-direction:column}
  .ss-frame{width:220px}
  .feat-text{text-align:center;padding:0 8px}
}
@media(min-width:768px){
  .features__inner,.premium__inner,.trust__inner,.final__inner{max-width:560px}
}