/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans JP','Helvetica Neue',Arial,sans-serif;color:#e0e0e8;line-height:1.7;background:#0a0a14}
img{max-width:100%;height:auto;display:block}
a{color:#a78bfa;text-decoration:none;transition:color .2s}
a:hover{color:#c4b5fd}
ul,ol{padding-left:1.25em}

/* ===== TYPOGRAPHY ===== */
h1{font-size:2.25rem;line-height:1.2;font-weight:800;margin-bottom:.75rem;color:#fff}
h2{font-size:1.6rem;line-height:1.3;font-weight:700;margin:2rem 0 .75rem;color:#fff}
h3{font-size:1.2rem;line-height:1.4;font-weight:600;margin:1.5rem 0 .5rem;color:#c4b5fd}
p{margin-bottom:1rem;max-width:72ch}

/* ===== LAYOUT ===== */
.container{max-width:1140px;margin:0 auto;padding:0 1.25rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}

/* ===== HEADER ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,10,20,.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(124,58,237,.2);padding:.6rem 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1140px;margin:0 auto;padding:0 1.25rem}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.1rem;color:#fff}
.logo img{height:38px;width:auto}
.main-nav{display:flex;align-items:center;gap:1.5rem}
.main-nav a{font-size:.9rem;font-weight:500;color:#a0a0b8;white-space:nowrap}
.main-nav a:hover{color:#c4b5fd}

/* Header CTA */
.header-cta{display:inline-flex;align-items:center;gap:.4rem;background:linear-gradient(135deg,#7c3aed,#6d28d9);color:#fff!important;padding:.5rem 1.1rem;border-radius:8px;font-size:.85rem;font-weight:600;white-space:nowrap;transition:transform .15s,box-shadow .15s}
.header-cta:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(124,58,237,.4);color:#fff!important}

/* Mobile menu */
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem}
.menu-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;transition:.3s}

/* ===== HERO ===== */
.hero{position:relative;background:linear-gradient(135deg,#0a0a14 0%,#1a0a2e 40%,#2d1065 100%);color:#fff;padding:4rem 0 3rem;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 50%,rgba(124,58,237,.15) 0%,transparent 60%)}
.hero-content{position:relative;z-index:2;max-width:1140px;margin:0 auto;padding:0 1.25rem}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.hero h1{font-size:2.6rem;line-height:1.15;color:#fff;margin-bottom:.5rem}
.hero .subtitle{font-size:1.1rem;opacity:.85;margin-bottom:1.5rem;max-width:500px;color:#c0c0d0}
.hero .disclaimer-mini{font-size:.7rem;opacity:.45;margin-top:.75rem}
.hero .disclaimer-mini a{color:rgba(255,255,255,.5)}
.hero-widget{background:rgba(124,58,237,.08);border:1px solid rgba(124,58,237,.25);border-radius:16px;padding:1.5rem;backdrop-filter:blur(4px)}

/* Promo Code Box */
.promo-box{background:linear-gradient(135deg,rgba(124,58,237,.15),rgba(109,40,217,.1));border:2px dashed rgba(124,58,237,.5);border-radius:12px;padding:1.25rem;text-align:center;margin:1rem 0}
.promo-box .promo-label{font-size:.8rem;color:#a78bfa;text-transform:uppercase;letter-spacing:2px;margin-bottom:.5rem}
.promo-code{display:inline-flex;align-items:center;gap:.75rem;background:rgba(0,0,0,.4);border:1px solid rgba(124,58,237,.4);border-radius:8px;padding:.6rem 1.2rem;cursor:pointer;transition:all .2s}
.promo-code:hover{border-color:#7c3aed;background:rgba(124,58,237,.15)}
.promo-code .code{font-family:'Courier New',monospace;font-size:1.2rem;font-weight:700;color:#c4b5fd;letter-spacing:2px}
.promo-code .copy-icon{font-size:.9rem;color:#a78bfa}
.promo-code.copied{border-color:#10b981;background:rgba(16,185,129,.1)}
.promo-code.copied .code{color:#10b981}
.promo-copy-msg{font-size:.75rem;color:#10b981;margin-top:.4rem;opacity:0;transition:opacity .3s}
.promo-copy-msg.show{opacity:1}

/* CTA Buttons */
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,#7c3aed,#6d28d9);color:#fff!important;padding:.85rem 1.8rem;border-radius:10px;font-size:1rem;font-weight:700;border:none;cursor:pointer;transition:transform .15s,box-shadow .15s;text-align:center}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(124,58,237,.4);color:#fff!important}
.btn-secondary{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:#a78bfa;border:2px solid rgba(124,58,237,.5);padding:.75rem 1.5rem;border-radius:10px;font-size:.95rem;font-weight:600;cursor:pointer;transition:.2s}
.btn-secondary:hover{background:rgba(124,58,237,.15);border-color:#7c3aed;color:#c4b5fd}

/* ===== CONTENT ===== */
.content-section{padding:3rem 0}
.content-section:nth-child(even){background:rgba(124,58,237,.03)}
.content-section h2{position:relative;padding-bottom:.5rem}
.content-section h2::after{content:'';position:absolute;left:0;bottom:0;width:50px;height:3px;background:linear-gradient(90deg,#7c3aed,#a78bfa);border-radius:2px}

/* Info Cards */
.info-card{background:rgba(255,255,255,.03);border:1px solid rgba(124,58,237,.15);border-radius:12px;padding:1.5rem;transition:all .2s}
.info-card:hover{border-color:rgba(124,58,237,.4);box-shadow:0 4px 20px rgba(124,58,237,.1)}
.info-card h3{color:#c4b5fd;margin-top:0}
.info-card .price{font-size:1.3rem;font-weight:700;color:#10b981}

/* Quick Summary Table */
.quick-table{width:100%;border-collapse:collapse;margin:1.5rem 0;border-radius:8px;overflow:hidden}
.quick-table th{background:rgba(124,58,237,.2);color:#c4b5fd;padding:.75rem 1rem;text-align:left;font-size:.9rem}
.quick-table td{padding:.7rem 1rem;border-bottom:1px solid rgba(255,255,255,.05);font-size:.9rem}
.quick-table tr:nth-child(even){background:rgba(255,255,255,.02)}
.quick-table tr:hover{background:rgba(124,58,237,.05)}

/* Comparison Table */
.comparison-table{width:100%;border-collapse:collapse;margin:1.5rem 0}
.comparison-table th{background:rgba(124,58,237,.25);color:#fff;padding:.75rem;text-align:center;font-size:.85rem}
.comparison-table td{padding:.7rem;border:1px solid rgba(255,255,255,.05);text-align:center;font-size:.85rem}
.comparison-table .feature-name{text-align:left;font-weight:600;color:#c4b5fd}
.check{color:#10b981;font-weight:700}
.cross{color:#555}

/* Tips Box */
.tip-box{background:rgba(16,185,129,.08);border-left:4px solid #10b981;border-radius:0 8px 8px 0;padding:1rem 1.25rem;margin:1.5rem 0}
.tip-box.warning{background:rgba(245,158,11,.08);border-left-color:#f59e0b}
.tip-box.info{background:rgba(59,130,246,.08);border-left-color:#3b82f6}
.tip-box strong{display:block;margin-bottom:.25rem;color:#fff}

/* Expert Opinion */
.expert-box{background:linear-gradient(135deg,rgba(124,58,237,.1),rgba(109,40,217,.05));border-radius:12px;padding:1.5rem;margin:1.5rem 0;border:1px solid rgba(124,58,237,.2);position:relative}
.expert-box::before{content:'\201C';font-size:3rem;color:#7c3aed;opacity:.3;position:absolute;top:.25rem;left:.75rem;line-height:1}
.expert-box p{padding-left:1.5rem;font-style:italic;color:#c0c0d0}
.expert-box .expert-name{font-style:normal;font-weight:600;font-size:.85rem;color:#a78bfa;margin-top:.5rem}

/* Nav Cards */
.nav-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;margin:2rem 0}
.nav-card{display:flex;align-items:center;gap:1rem;background:rgba(255,255,255,.03);border:1px solid rgba(124,58,237,.15);border-radius:10px;padding:1rem 1.25rem;transition:all .2s}
.nav-card:hover{border-color:#7c3aed;box-shadow:0 4px 16px rgba(124,58,237,.15);transform:translateY(-2px)}
.nav-card .icon{font-size:1.5rem;width:40px;text-align:center;flex-shrink:0}
.nav-card .nav-card-text h3{font-size:.95rem;margin:0 0 .15rem;color:#fff}
.nav-card .nav-card-text p{font-size:.8rem;color:#888;margin:0}

/* ===== FAQ ===== */
.faq-item{border:1px solid rgba(255,255,255,.06);border-radius:8px;margin-bottom:.75rem;overflow:hidden}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;cursor:pointer;font-weight:600;color:#e0e0e8;background:rgba(255,255,255,.03);transition:background .2s}
.faq-question:hover{background:rgba(124,58,237,.08)}
.faq-question::after{content:'+';font-size:1.3rem;color:#7c3aed;transition:transform .2s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 1.25rem}
.faq-item.active .faq-answer{max-height:600px;padding:.5rem 1.25rem 1rem}

/* ===== DISCLAIMER ===== */
.disclaimer-tooltip{position:relative;display:inline-flex;align-items:center;gap:.3rem;font-size:.75rem;color:#666;cursor:help;border-bottom:1px dashed #555}
.disclaimer-tooltip .tooltip-content{display:none;position:absolute;bottom:130%;left:50%;transform:translateX(-50%);background:#1a1a2e;color:#ccc;padding:.75rem 1rem;border-radius:8px;font-size:.72rem;line-height:1.5;width:320px;z-index:50;box-shadow:0 4px 20px rgba(0,0,0,.5);border:1px solid rgba(124,58,237,.2)}
.disclaimer-tooltip:hover .tooltip-content{display:block}

/* ===== FOOTER ===== */
.site-footer{background:#06060e;color:#808098;padding:3rem 0 1.5rem;border-top:1px solid rgba(124,58,237,.1)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:.75rem}
.footer-col a{display:block;color:#808098;font-size:.85rem;margin-bottom:.4rem}
.footer-col a:hover{color:#a78bfa}
.footer-col p{font-size:.83rem;line-height:1.6}
.footer-disclaimer{border-top:1px solid rgba(255,255,255,.05);padding-top:1rem;font-size:.72rem;color:#555;line-height:1.6;max-width:900px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.05);padding-top:1rem;margin-top:1rem;font-size:.78rem}
.footer-bottom a{color:#808098}

/* ===== BREADCRUMBS ===== */
.breadcrumbs{padding:.75rem 0;font-size:.82rem;color:#666}
.breadcrumbs a{color:#a78bfa}
.breadcrumbs span{margin:0 .4rem;color:#444}

/* ===== PAGE IMAGE ===== */
.page-image{border-radius:12px;margin:1.5rem 0;box-shadow:0 4px 20px rgba(0,0,0,.3)}

/* ===== STEPS ===== */
.step-list{counter-reset:step;list-style:none;padding-left:0}
.step-list li{counter-increment:step;position:relative;padding-left:3rem;margin-bottom:1.5rem}
.step-list li::before{content:counter(step);position:absolute;left:0;top:0;width:2rem;height:2rem;background:linear-gradient(135deg,#7c3aed,#6d28d9);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}

/* ===== 18+ WARNING ===== */
.age-warning{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.3);border-radius:8px;padding:.75rem 1rem;font-size:.82rem;color:#f59e0b;text-align:center;margin:1rem 0}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .grid-3{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .hero h1{font-size:1.8rem}
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero .subtitle{margin:0 auto 1.5rem}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .nav-cards{grid-template-columns:1fr}
  .main-nav{display:none;position:fixed;top:56px;left:0;right:0;bottom:0;background:rgba(10,10,20,.98);flex-direction:column;padding:2rem;gap:1.5rem;z-index:99;overflow-y:auto}
  .main-nav.open{display:flex}
  .menu-toggle{display:block}
  .header-cta{font-size:.8rem;padding:.4rem .8rem}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:.5rem;text-align:center}
  .comparison-table{font-size:.75rem}
  .comparison-table th,.comparison-table td{padding:.5rem .3rem}
  .quick-table{font-size:.8rem}
  h1{font-size:1.7rem}
  h2{font-size:1.3rem}
  .content-section{padding:2rem 0}
}
@media(max-width:480px){
  .hero{padding:2.5rem 0 2rem}
  .hero h1{font-size:1.5rem}
  .btn-primary{padding:.7rem 1.2rem;font-size:.9rem}
  .hero-widget{padding:.75rem}
  .promo-code .code{font-size:1rem}
}