:root{--navy:#071a33;--ink:#132033;--purple:#251845;--midnight:#0e1024;--indigo:#1a2550;--gold:#c79a36;--gold2:#ead39a;--paper:#fffaf0;--white:#fff;--muted:#6b7280;--line:#e8dfcb;--soft:#f6efe0;--ok:#2d6a4f}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Yu Gothic","Meiryo",system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}body:before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 50% 0%,rgba(234,211,154,.2),transparent 28%),linear-gradient(180deg,#fffaf0 0%,#f7f0e2 48%,#fffaf0 100%);pointer-events:none}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(18px,4vw,56px);background:rgba(255,250,240,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:20px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--gold);border-radius:50%;color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(199,154,54,.12)}.site-nav{display:flex;align-items:center;gap:18px;font-size:14px}.site-nav a{color:#263044}.nav-cta,.btn.primary{background:var(--navy);color:#fff!important;border-color:var(--navy)}.nav-cta{padding:10px 16px;border-radius:999px}.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px}.section-pad{padding:clamp(56px,8vw,96px) clamp(18px,5vw,72px)}.hero{position:relative;overflow:hidden;min-height:calc(100vh - 68px);display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,500px);align-items:center;gap:clamp(32px,6vw,80px);background:linear-gradient(135deg,#fffaf0 0%,#f6eddc 44%,#f1e9f7 100%)}.hero:before{content:"";position:absolute;inset:0;background:url("constellation.svg") center/860px auto no-repeat;opacity:.54;pointer-events:none}.hero:after{content:"";position:absolute;left:clamp(18px,5vw,72px);right:clamp(18px,5vw,72px);bottom:32px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.85}.hero>*{position:relative}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--gold);font-weight:800;margin:0 0 10px}.eyebrow:before,.eyebrow:after{content:"✦";font-size:.78em;margin:0 .45em;color:var(--gold2)}.eyebrow:before{margin-left:0}.hero h1,.subhero h1{font-size:clamp(38px,6vw,74px);line-height:1.12;margin:0;color:var(--navy);letter-spacing:0;text-shadow:0 1px 0 rgba(255,255,255,.8)}.lead{font-size:clamp(18px,2.2vw,24px);max-width:680px;color:#333b4b}.hero-actions,.footer-links{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 20px;border:1px solid var(--gold);border-radius:8px;font-weight:800;cursor:pointer}.btn.secondary{background:#fff;color:var(--navy)}.trust-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.trust-strip span{padding:8px 12px;border:1px solid var(--line);background:rgba(255,255,255,.7);border-radius:999px;font-size:13px}.hero-media{justify-self:center;max-width:430px}.hero-media{position:relative}.hero-media:before{content:"";position:absolute;inset:-18px;border:1px solid rgba(199,154,54,.55);border-radius:8px;transform:rotate(-2deg)}.hero-media:after{content:"";position:absolute;inset:-34px;border:1px solid rgba(234,211,154,.5);border-radius:8px;transform:rotate(2deg)}.hero-media img{position:relative;border-radius:8px;box-shadow:0 24px 60px rgba(7,26,51,.22);z-index:1}.section{background:#fff}.section-head{max-width:820px;margin:0 auto 34px;text-align:center}.section-head h2,.visual-band h2,.price-section h2{font-size:clamp(30px,4vw,48px);line-height:1.2;margin:0 0 14px;color:var(--navy)}.product-grid,.member-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.product-card,.member-card,.checkout-box,.auth-panel,.sample-doc,.contents-aside,.prompt-preview,.admin-list article{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;box-shadow:0 14px 34px rgba(7,26,51,.06)}.product-card,.member-card{position:relative;overflow:hidden}.product-card:before,.member-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold2),var(--gold))}.product-card:after{content:"✧";position:absolute;right:18px;top:12px;color:rgba(199,154,54,.28);font-size:34px}.product-card .num{color:var(--gold);font-weight:900}.product-card h3,.member-card h2{color:var(--navy);margin:8px 0}.visual-band{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,520px);gap:34px;align-items:center;background:linear-gradient(135deg,var(--midnight),var(--purple));color:#fff}.visual-band:before{content:"";position:absolute;inset:0;background:url("constellation.svg") center/780px auto no-repeat;opacity:.22}.visual-band>*{position:relative}.visual-band h2{color:#fff}.visual-band p{color:#efeaf8}.prompt-preview{background:#100b23;color:#fff;border-color:#4c3b77}.prompt-top{display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:1px solid #4c3b77;padding-bottom:12px}.prompt-top button{border:0;border-radius:8px;padding:8px 12px;background:var(--gold);color:#180f2d;font-weight:800}.prompt-preview pre{white-space:pre-wrap;font-family:inherit;color:#efeaf8}.flow-list{counter-reset:flow;display:grid;grid-template-columns:repeat(6,1fr);gap:12px;list-style:none;padding:0;margin:0}.flow-list li{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:18px;min-height:86px;font-weight:700}.price-section{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:center;background:#fff}.price-box{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff;border-radius:8px;padding:26px;text-align:center}.price-box:before{content:"✦";position:absolute;left:18px;top:12px;color:rgba(234,211,154,.4);font-size:32px}.price-box:after{content:"✦";position:absolute;right:18px;bottom:12px;color:rgba(234,211,154,.4);font-size:32px}.price-box strong{display:block;font-size:44px;margin:8px 0 18px}.faq-list{max-width:900px;margin:auto}.faq-list details{background:#fff;border:1px solid var(--line);border-left:4px solid rgba(199,154,54,.72);border-radius:8px;margin:10px 0;padding:16px}.faq-list summary{font-weight:800;cursor:pointer}.site-footer{display:flex;justify-content:space-between;gap:24px;padding:34px clamp(18px,5vw,72px);background:var(--navy);color:#fff}.site-footer p{color:#ccd3df}.subhero{position:relative;overflow:hidden;background:linear-gradient(135deg,#fffaf0,#eee6f7);text-align:center}.subhero:before{content:"";position:absolute;inset:0;background:url("constellation.svg") center/760px auto no-repeat;opacity:.32}.subhero>*{position:relative}.subhero p{max-width:760px;margin-left:auto;margin-right:auto}.contents-wrap,.sample-layout,.purchase-page,.admin-list{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}.contents-list{display:grid;gap:10px;margin:0;padding-left:24px}.contents-list li{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 16px}.contents-aside{position:sticky;top:92px}.contents-aside img,.sample-side img{border-radius:8px;margin-bottom:16px}.sample-doc h2{color:var(--navy);margin-top:0}.auth-page{min-height:72vh;display:grid;place-items:center}.auth-panel{width:min(100%,460px)}.auth-form{display:grid;gap:14px;margin:22px 0}.auth-form input,.prompt-toolbar input,.prompt-toolbar select{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff;font:inherit}.prompt-toolbar{display:grid;grid-template-columns:1.4fr 1fr .8fr;gap:14px;align-items:end;margin-bottom:20px}.prompt-toolbar label span{display:block;font-weight:800;margin-bottom:6px}.prompt-count{font-weight:800;color:var(--muted);margin-bottom:14px}.prompt-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.prompt-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px}.prompt-card h2{font-size:18px;line-height:1.35;color:var(--navy);margin:0 0 8px}.prompt-meta{font-size:13px;color:var(--muted);margin-bottom:12px}.prompt-text{white-space:pre-wrap;background:#f8f4eb;border:1px solid var(--line);border-radius:8px;padding:14px;max-height:220px;overflow:auto}.copy-row{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:12px}.copy-status{font-size:13px;color:var(--ok);font-weight:800}.purchase-copy ul{padding-left:20px}.checkout-box{align-self:start;text-align:center}.checkout-box strong{display:block;font-size:46px;color:var(--navy);margin:8px 0}.checkout-box small{display:block;color:var(--muted);margin-top:12px}.admin-list{grid-template-columns:1fr 1fr}.nav-open .site-nav{display:flex}@media(max-width:920px){.hero,.visual-band,.price-section,.contents-wrap,.sample-layout,.purchase-page,.admin-list{grid-template-columns:1fr}.product-grid,.member-grid,.prompt-grid{grid-template-columns:1fr}.flow-list{grid-template-columns:repeat(2,1fr)}.site-nav{display:none;position:absolute;left:12px;right:12px;top:64px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px;box-shadow:0 16px 40px rgba(7,26,51,.12)}.nav-toggle{display:block}.prompt-toolbar{grid-template-columns:1fr}.site-footer{flex-direction:column}.contents-aside{position:static}}@media(max-width:560px){.flow-list{grid-template-columns:1fr}.hero{min-height:auto}.section-pad{padding-left:16px;padding-right:16px}.hero h1,.subhero h1{font-size:36px}.price-box strong{font-size:36px}}
.login-alert{border:1px solid #ead39a;background:#fff7df;color:#7a5410;border-radius:8px;padding:10px 12px;font-weight:700}

.text-link{display:inline-flex;margin-top:12px;color:var(--gold);font-weight:800}.demo-intro{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:center;background:#fff}.demo-cta{background:var(--navy);color:#fff;border-radius:8px;padding:22px;text-align:center}.demo-cta strong{display:block;margin-bottom:14px;font-size:22px}.demo-toolbar{grid-template-columns:1fr 260px}.sample-badge{display:inline-flex;margin-bottom:8px;padding:4px 9px;border-radius:999px;background:#fff7df;color:#7a5410;font-size:12px;font-weight:800}.locked-offer{margin-top:24px;background:linear-gradient(135deg,#071a33,#251845);color:#fff;border-radius:8px;padding:28px;text-align:center}.locked-offer h2{margin-top:0}.locked-offer p{color:#efeaf8;max-width:760px;margin-left:auto;margin-right:auto}@media(max-width:920px){.demo-intro,.demo-toolbar{grid-template-columns:1fr}}

.demo-note{border:1px solid #ead39a;background:#fff7df;color:#6f4f10;border-radius:8px;padding:12px 14px;margin:0 0 18px;font-weight:700}.no-demo-result{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px;text-align:center}.no-demo-result h2{margin-top:0;color:var(--navy)}.prompt-text.is-excerpt{position:relative}.prompt-text.is-excerpt:after{content:"";position:absolute;left:0;right:0;bottom:0;height:44px;background:linear-gradient(transparent,#f8f4eb)}

.celestial-divider{height:34px;margin:0 clamp(18px,5vw,72px);background:linear-gradient(90deg,transparent,rgba(199,154,54,.72),transparent);position:relative}.celestial-divider:before{content:"✦";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--paper);color:var(--gold);padding:0 14px;font-size:20px}

.contents-wrap-detail{grid-template-columns:minmax(0,1fr) 340px}.chapter-list{display:grid;gap:12px}.contents-tools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}.chapter-detail{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 28px rgba(7,26,51,.05);overflow:hidden}.chapter-detail summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;list-style:none}.chapter-detail summary::-webkit-details-marker{display:none}.chapter-detail summary:before{content:'✦';color:var(--gold);font-size:14px}.chapter-title{font-weight:800;color:var(--navy);flex:1}.chapter-meta{font-size:13px;color:var(--muted);white-space:nowrap}.chapter-items{margin:0;padding:0 18px 16px 52px}.chapter-items li{padding:7px 0;border-top:1px solid #f1eadb}.chapter-items li::marker{color:var(--gold)}.chapter-items li{display:grid;grid-template-columns:minmax(0,1fr) 64px;gap:12px;align-items:start}.chapter-items em{font-style:normal;color:var(--muted);text-align:right;white-space:nowrap}.contents-offer{background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff;border-radius:8px;padding:24px;margin-top:14px}.contents-offer h2{margin-top:0}.contents-offer p{color:#efeaf8}.contents-aside .btn{width:100%;margin-top:10px}@media(max-width:920px){.contents-wrap-detail{grid-template-columns:1fr}.chapter-detail summary{align-items:flex-start}.chapter-items{padding-left:22px}.chapter-items li{grid-template-columns:1fr 56px}}

.mobile-cta{display:none}
@media(max-width:720px){
  body{padding-bottom:82px}
  .mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:1fr 1.15fr;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,250,240,.96);border-top:1px solid var(--line);box-shadow:0 -12px 28px rgba(7,26,51,.14);backdrop-filter:blur(14px)}
  .mobile-cta a{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:8px;font-weight:900;line-height:1.1;text-align:center}
  .mobile-cta-demo{background:#fff;color:var(--navy);border:1px solid var(--gold)}
  .mobile-cta-buy{background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff;border:1px solid var(--navy);box-shadow:0 8px 18px rgba(7,26,51,.2)}
}