:root{--bg:#fff;--bg-soft:#f8fafc;--text:#1f2937;--muted:#6b7280;--accent:#f97316;--accent-600:#ea580c;--accent-100:#fff7ed;--accent-200:#ffedd5;--ring:#f9731659;--shadow-sm:0 1px 2px #0000000f;--shadow-md:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--radius:12px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;font-size:19px;line-height:1.75}.container{max-width:1120px;margin:0 auto;padding:0 16px}.layout .main{padding-top:88px}.nav{z-index:50;-webkit-backdrop-filter:saturate(180%)blur(8px);backdrop-filter:saturate(180%)blur(8px);background:#ffffffeb;border-bottom:1px solid #0000000d;transition:background .2s,box-shadow .2s;position:fixed;inset:0 0 auto}.nav.scrolled{box-shadow:var(--shadow-md);background:#fff}.nav .container{justify-content:space-between;align-items:center;height:80px;display:flex}.logo img{height:48px}.nav-links.desktop{align-items:center;gap:24px;display:none}.nav-links.desktop a{color:var(--text);font-size:1.05rem;font-weight:600;text-decoration:none;transition:color .15s}.nav-links.desktop a:hover{color:var(--accent)}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;align-items:center;gap:8px;padding:12px 18px;font-size:1.08rem;font-weight:800;transition:transform 60ms,background .15s,box-shadow .15s;display:inline-flex;box-shadow:0 4px 10px #ea580c40}.btn-primary:hover{background:var(--accent-600)}.btn-primary:active{transform:translateY(1px)}.btn-secondary{color:#fff;cursor:pointer;box-shadow:var(--shadow-sm);background:#0f172a;border:none;border-radius:12px;align-items:center;gap:8px;padding:12px 18px;font-size:1.08rem;display:inline-flex}.btn-link{color:var(--accent);font-weight:700;text-decoration:none}.mobile-toggle{color:var(--text);cursor:pointer;background:0 0;border:none;align-items:center;padding:8px;display:inline-flex}.mobile-menu{box-shadow:var(--shadow-md);background:#fff;border-top:1px solid #0000000f}.mobile-links{gap:8px;padding:12px 16px 20px;display:grid}.mobile-links a{color:var(--text);padding:10px 4px;font-size:1.05rem;font-weight:600;text-decoration:none}.mobile-links a:hover{color:var(--accent)}@media (min-width:768px){.nav-links.desktop{display:inline-flex}.mobile-toggle,.mobile-menu{display:none}}.hero{color:#0f172a;align-items:center;min-height:70vh;display:flex;position:relative;overflow:clip}.hero:before{content:"";filter:saturate(85%);z-index:-2;background-position:50%;background-repeat:no-repeat;background-size:cover;position:absolute;inset:0}.hero:after{content:"";-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:-1;background:#ffffffc7;position:absolute;inset:0}.hero .container{text-align:center}.hero h1{letter-spacing:.02em;margin:8px 0 12px;font-size:clamp(32px,5vw,52px);font-weight:800}.hero p{color:var(--muted);max-width:720px;margin:0 auto 18px;font-size:1.08rem}.cta-group{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.scroll-indicator{background:var(--accent);border-radius:999px;width:8px;height:8px;position:absolute;bottom:12px;left:50%;transform:translate(-50%);box-shadow:0 0 0 6px #f9731626}.hero .video-wrap{z-index:-2;position:absolute;inset:0;overflow:hidden}.hero .video-wrap iframe{pointer-events:none;width:177.78vh;min-width:100%;height:100vh;min-height:100%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.section{background:var(--bg);padding:56px 0}.section.alt{background:#f8fafc}.section-header{text-align:center;margin-bottom:28px}.section-icon{background:var(--accent-100);width:40px;height:40px;color:var(--accent-600);box-shadow:var(--shadow-sm);border-radius:999px;justify-content:center;align-items:center;display:inline-flex}.section-title{margin:10px 0 6px;font-size:clamp(28px,3.6vw,40px);font-weight:800}.section-sub{color:var(--muted);font-size:1.07rem}.grid-3{grid-template-columns:repeat(1,minmax(0,1fr));gap:16px;display:grid}@media (min-width:900px){.grid-3{grid-template-columns:repeat(3,1fr)}}.card{border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff;border:1px solid #fde4c7;padding:22px 24px}.card.soft{background:var(--accent-100)}.feature-card .icon{width:40px;height:40px;color:var(--accent-600);background:var(--accent-100);border-radius:10px;justify-content:center;align-items:center;margin-bottom:10px;display:inline-flex}.feature-card h3{margin:6px 0;font-size:20px}.feature-card p{font-size:1.08rem}.product-grid{grid-template-columns:repeat(1,minmax(0,1fr));gap:18px;display:grid}@media (min-width:900px){.product-grid{grid-template-columns:repeat(3,1fr)}}.product-card{border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff;border:1px solid #f1f5f9;overflow:hidden}.product-card .thumb{aspect-ratio:16/9;background:#e5e7eb;position:relative;overflow:hidden}.product-card .thumb img{object-fit:cover;width:100%;height:100%;transform:scale(1.02)}.product-card .topbar{background:var(--accent);height:8px;position:absolute;top:0;left:0;right:0}.product-card .title{padding:12px 16px;font-size:1.1rem;font-weight:700}.staff-card .row{text-align:center;background:#fff;border:1px solid #fde4c7;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:12px;display:flex}.staff-card .row+.row{margin-top:10px}.staff-card .label{color:var(--accent-600);background:var(--accent-100);text-align:center;border-radius:8px;min-width:64px;padding:6px 10px;font-size:12px;font-weight:800}.staff-card .row span:last-child{font-size:1.12rem}.store-buttons{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.store-btn{color:#fff;cursor:pointer;min-width:200px;box-shadow:var(--shadow-sm);border:none;border-radius:14px;padding:14px 20px;font-size:1.08rem;font-weight:800}.store-booth{background:#ef4444}.store-dlsite{background:#3b82f6}.social-grid{grid-template-columns:repeat(2,1fr);gap:14px;max-width:880px;margin:0 auto;display:grid}@media (min-width:900px){.social-grid{grid-template-columns:repeat(6,1fr)}}.social-item{color:#fff;box-shadow:var(--shadow-sm);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:18px 12px;font-size:1.08rem;font-weight:700;text-decoration:none;display:flex}.social-x{background:#1d9bf0}.social-yt{background:#ef4444}.social-blog{background:#f59e0b}.social-ig{background:#ec4899}.social-fb{background:#2563eb}.social-dl{background:#8b5cf6}.social-nt{background:#2bb673}.contact-card{max-width:640px;margin:0 auto}.mail-box{background:var(--accent-100);border-radius:var(--radius);text-align:center;color:#b45309;border:1px solid #fde4c7;padding:28px;font-size:1.1rem;font-weight:800}.footer{text-align:center;color:var(--muted);background:#fafafa;border-top:1px solid #0000000f;padding:36px 0;font-size:1.05rem}.audio-toggle{z-index:60;background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;display:flex;position:fixed;bottom:16px;right:16px;box-shadow:0 6px 14px #f9731659}.bgm-iframe{opacity:0;width:1px;height:1px;position:fixed;top:-9999px;left:-9999px}.audio-prompt-backdrop{z-index:70;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.audio-prompt{color:var(--text);box-shadow:var(--shadow-md);background:#fff;border-radius:12px;width:min(92vw,520px);padding:20px}.audio-prompt h3{margin:0 0 8px;font-size:24px}.audio-prompt p{color:var(--muted);margin:0 0 16px;font-size:1.05rem}.audio-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.audio-actions .btn-primary{padding:12px 18px}.audio-actions .btn-ghost{color:var(--text);background:0 0;border:1px solid #e5e7eb;border-radius:10px;padding:12px 18px;font-size:1.05rem;font-weight:700}.hero-hand{width:36vw;max-width:180px;margin:0 auto 8px;display:block}