*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0a;--bg2:#141414;--bg3:#1a1a2e;
  --text:#e0e0e0;--text-dim:#888;--text-bright:#fff;
  --accent:#FF875B;--accent2:#FFa87d;--accent3:#FF6B3D;
  --gradient:linear-gradient(135deg,#FF875B,#FF6B3D);
  --card:#16162a;--border:#2a2a4a;
  --radius:12px;--max-w:1100px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Barlow",-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;-webkit-font-smoothing:antialiased}
code,pre,.mono{font-family:"Inconsolata",monospace}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}

/* NAV */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(10,10,10,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:.6rem 1rem}
.site-nav .inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;gap:1.2rem;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.site-nav .inner::-webkit-scrollbar{display:none}
.site-nav .logo{font-weight:700;font-size:1.1rem;color:var(--text-bright);flex-shrink:0;display:flex;align-items:center;gap:.4rem;text-decoration:none}
.site-nav .logo:hover{text-decoration:none}
.site-nav .logo-img{height:22px;width:auto;display:inline-block}
.site-nav a.nav-link{color:var(--text-dim);font-size:.85rem;transition:color .2s}
.site-nav a.nav-link:hover{color:var(--text-bright);text-decoration:none}

/* HERO */
.hero{text-align:center;padding:5rem 1.5rem 3rem;background:radial-gradient(ellipse at 50% 0%,#2a1a10 0%,var(--bg) 70%)}
.hero-logo{width:180px;margin:0 auto 1.5rem;filter:drop-shadow(0 0 20px rgba(255,135,91,.3))}
.hero h1{font-size:clamp(1.6rem,4vw,2.6rem);font-weight:800;color:var(--text-bright);margin-bottom:.8rem;line-height:1.3}
.hero .sub{font-size:clamp(1rem,2.5vw,1.25rem);color:var(--text-dim);margin-bottom:1.5rem}
.hero-cards{display:flex;justify-content:center;align-items:center;gap:clamp(.5rem,2vw,1.5rem);margin-bottom:2rem;perspective:800px}
.hero-card-img{width:clamp(80px,18vw,160px);border-radius:12px;transition:transform .3s;filter:drop-shadow(0 8px 24px rgba(0,0,0,.5))}
.hero-card-img.hero-card-main{width:clamp(100px,22vw,200px);transform:translateY(-10px);z-index:2}
.hero-card-img:hover{transform:translateY(-8px) scale(1.05)}
.hero-card-img.hero-card-main:hover{transform:translateY(-16px) scale(1.08)}

/* CTA */
.cta{display:inline-block;padding:.85rem 2.2rem;border-radius:50px;background:var(--gradient);color:#fff;font-weight:700;font-size:1rem;text-decoration:none;transition:transform .2s,box-shadow .2s}
.cta:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(255,135,91,.4);text-decoration:none}

/* SECTIONS */
section{padding:4rem 1.5rem}
section:nth-child(even){background:var(--bg2)}
.section-inner{max-width:var(--max-w);margin:0 auto}
section h2{font-size:1.8rem;font-weight:700;color:var(--text-bright);margin-bottom:1.5rem;text-align:center}
section h2::after{content:'';display:block;width:60px;height:3px;background:var(--gradient);margin:.6rem auto 0;border-radius:2px}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem;margin-top:1.5rem}
.about-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center}
.about-card .icon{font-size:2rem;margin-bottom:.5rem}
.about-card-img{width:100%;max-height:160px;object-fit:contain;margin-bottom:.8rem;border-radius:8px}
.about-card h3{font-size:1rem;color:var(--text-bright);margin-bottom:.4rem}
.about-card p{font-size:.9rem;color:var(--text-dim)}

/* TABLES */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.5rem 0;border-radius:var(--radius);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;min-width:500px;background:var(--card)}
th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border);font-size:.9rem}
th{background:#1e1510;color:var(--accent2);font-weight:600;position:sticky;top:0}
td:first-child{font-weight:600;color:var(--text-bright)}
tr:last-child td{border-bottom:none}
.check{color:var(--accent3)}
.highlight-col{background:rgba(255,135,91,.08)}

/* ANALYSIS */
.analysis{background:var(--card);border:1px solid var(--accent);border-radius:var(--radius);padding:1.5rem 2rem;margin:2rem 0}
.analysis h3{color:var(--accent2);margin-bottom:.8rem;font-size:1.1rem}
.analysis ul{list-style:none;padding:0}
.analysis li{padding:.35rem 0;padding-left:1.4rem;position:relative;font-size:.95rem}
.analysis li::before{content:'✓';position:absolute;left:0;color:var(--accent3);font-weight:700}

/* STEPS */
.steps{counter-reset:step;display:grid;gap:1rem;margin:1.5rem 0}
.step{display:flex;gap:1rem;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem 1.5rem}
.step::before{counter-increment:step;content:counter(step);flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--gradient);color:#fff;font-weight:700;font-size:.95rem}
.step-body h3{font-size:1rem;color:var(--text-bright);margin-bottom:.2rem}
.step-body p{font-size:.9rem;color:var(--text-dim)}

/* REFERRAL */
.referral-box{background:linear-gradient(135deg,#1a1a4a,#0a2a2a);border:1px solid var(--accent);border-radius:var(--radius);padding:2.5rem;text-align:center;max-width:600px;margin:0 auto}
.referral-box h3{font-size:1.3rem;color:var(--text-bright);margin-bottom:.8rem}
.referral-box p{margin-bottom:1.5rem;color:var(--text-dim)}
.referral-box .reward{font-size:2rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}

/* FAQ */
details{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.6rem;overflow:hidden}
summary{padding:1rem 1.5rem;cursor:pointer;font-weight:600;color:var(--text-bright);list-style:none;display:flex;align-items:center;justify-content:space-between;transition:background .2s}
summary:hover{background:rgba(255,135,91,.08)}
summary::after{content:'+';font-size:1.3rem;color:var(--accent);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details[open] summary{border-bottom:1px solid var(--border)}
details p{padding:1rem 1.5rem;color:var(--text-dim);font-size:.95rem;line-height:1.7}

/* FOOTER */
.site-footer{text-align:center;padding:2.5rem 1.5rem;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-dim)}
.footer-logo{width:60px;margin:0 auto 1rem;opacity:.6}
.site-footer .disclaimer{margin-bottom:.6rem;font-size:.75rem;opacity:.7}

/* CTA CENTER */
.cta-center{text-align:center;margin:2.5rem 0 .5rem}

/* RESPONSIVE */
@media(max-width:640px){
  section{padding:3rem 1rem}
  .hero{padding:4rem 1rem 3rem}
  .about-grid{grid-template-columns:1fr 1fr}
  table{min-width:700px}
  .referral-box{padding:1.8rem 1.2rem}
}