:root{--bg-base: #060913;--bg-surface: rgba(15, 23, 42, .72);--bg-surface-elevated: rgba(30, 41, 59, .85);--bg-surface-hover: rgba(51, 65, 85, .6);--bg-glass: rgba(15, 23, 42, .6);--accent-cyan: #00f2fe;--accent-blue: #4facfe;--accent-purple: #9d4edd;--accent-purple-light: #c77dff;--accent-amber: #f59e0b;--accent-emerald: #10b981;--accent-rose: #f43f5e;--grad-cyan-blue: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);--grad-purple-pink: linear-gradient(135deg, #9d4edd 0%, #f43f5e 100%);--grad-amber-orange: linear-gradient(135deg, #fbbf24 0%, #ea580c 100%);--grad-surface: linear-gradient(180deg, rgba(30, 41, 59, .7) 0%, rgba(15, 23, 42, .9) 100%);--grad-glow: radial-gradient(circle at 50% 0%, rgba(0, 242, 254, .15) 0%, transparent 60%);--border-subtle: rgba(255, 255, 255, .08);--border-medium: rgba(255, 255, 255, .16);--border-focus: rgba(0, 242, 254, .6);--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--text-accent: #00f2fe;--font-sans: "Plus Jakarta Sans", "Noto Sans 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50%);background-attachment:fixed}.yn-app{display:flex;flex-direction:column;min-height:100vh}.yn-container{max-width:var(--container-max);margin:0 auto;padding:0 20px;width:100%}.yn-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:#060913cc;border-bottom:1px solid var(--border-subtle);transition:all .3s var(--ease-spring)}.yn-header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}.yn-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-main)}.yn-logo-icon{width:40px;height:40px;border-radius:var(--radius-md);background:var(--grad-cyan-blue);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-glow-cyan)}.yn-logo-text{display:flex;flex-direction:column}.yn-logo-title{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,#ffffff 40%,var(--accent-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.yn-logo-subtitle{font-size:.72rem;color:var(--text-dim);font-family:var(--font-mono);letter-spacing:.05em}.yn-clock-badge{display:flex;align-items:center;gap:8px;padding:6px 14px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-full);font-family:var(--font-mono);font-size:.85rem;color:var(--accent-cyan)}.yn-clock-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-cyan);box-shadow:0 0 10px var(--accent-cyan);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}.yn-nav{display:flex;align-items:center;gap:4px;background:#0f172a99;border:1px solid var(--border-medium);padding:4px 6px;border-radius:var(--radius-full);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 4px 20px -2px #0006}.yn-nav-link{display:flex;align-items:center;gap:6px;padding:6px 14px;color:var(--text-muted);text-decoration:none;font-size:.85rem;font-weight:600;border-radius:var(--radius-full);transition:all .2s var(--ease-spring);white-space:nowrap}.yn-nav-link svg{opacity:.75;transition:opacity .2s ease,transform .2s ease}.yn-nav-link:hover{color:var(--text-main);background:#ffffff14}.yn-nav-link:hover svg{opacity:1;transform:translateY(-1px)}.yn-nav-link.active{color:#fff;background:linear-gradient(135deg,#00f2fe33,#4facfe33);border:1px solid rgba(0,242,254,.35);box-shadow:0 0 12px #00f2fe33}.yn-nav-link.active svg{opacity:1;color:var(--accent-cyan)}.yn-hero{position:relative;padding:60px 0 40px;text-align:center}.yn-hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;background:#9d4edd26;border:1px solid rgba(157,78,221,.4);border-radius:var(--radius-full);font-size:.85rem;font-weight:600;color:var(--accent-purple-light);margin-bottom:24px}.yn-hero-title{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;line-height:1.2;letter-spacing:-.03em;margin-bottom:20px;color:#fff}.yn-hero-title-highlight{background:var(--grad-cyan-blue);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.yn-hero-desc{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-muted);max-width:680px;margin:0 auto 36px;line-height:1.7}.yn-quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:50px}@media (max-width: 960px){.yn-quick-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.yn-quick-grid{grid-template-columns:1fr}}.yn-quick-card{position:relative;display:flex;align-items:center;gap:16px;padding:20px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);text-decoration:none;color:var(--text-main);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:all .3s var(--ease-spring);overflow:hidden}.yn-quick-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,rgba(255,255,255,.03) 0%,transparent 100%);opacity:0;transition:opacity .3s ease}.yn-quick-card:hover{transform:translateY(-4px);border-color:var(--border-medium);box-shadow:var(--shadow-subtle)}.yn-quick-card:hover:before{opacity:1}.yn-quick-icon{width:52px;height:52px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.yn-quick-info{display:flex;flex-direction:column;text-align:left}.yn-quick-title{font-size:1.05rem;font-weight:700;color:var(--text-main);margin-bottom:4px}.yn-quick-sub{font-size:.8rem;color:var(--text-muted)}.yn-section{padding:60px 0;border-top:1px solid var(--border-subtle)}.yn-section-header{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:32px;position:relative}.yn-section-tag{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:700;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--accent-cyan);margin-bottom:8px}.yn-section-title{font-size:clamp(1.8rem,3.5vw,2.4rem);font-weight:800;letter-spacing:-.02em;color:var(--text-main);margin-bottom:10px}.yn-section-lead{font-size:1rem;color:var(--text-muted);max-width:600px}.yn-aio-box{background:linear-gradient(135deg,#00f2fe14,#9d4edd14);border:1px solid rgba(0,242,254,.25);border-radius:var(--radius-md);padding:20px 24px;margin-bottom:28px;font-size:.92rem;line-height:1.7}.yn-aio-box-title{display:flex;align-items:center;gap:8px;font-size:.95rem;font-weight:700;color:var(--accent-cyan);margin-bottom:8px}.yn-filter-group{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.yn-filter-btn{padding:8px 18px;font-size:.88rem;font-weight:600;font-family:var(--font-sans);color:var(--text-muted);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-full);cursor:pointer;transition:all .2s var(--ease-spring)}.yn-filter-btn:hover{color:var(--text-main);border-color:var(--border-medium);background:var(--bg-surface-elevated)}.yn-filter-btn.active{color:#060913;background:var(--accent-cyan);border-color:var(--accent-cyan);box-shadow:0 0 15px #00f2fe66}.yn-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}.yn-card{position:relative;display:flex;flex-direction:column;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:all .3s var(--ease-spring)}.yn-card:hover{transform:translateY(-4px);border-color:var(--border-medium);box-shadow:var(--shadow-subtle)}.yn-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}.yn-card-badges{display:flex;flex-wrap:wrap;gap:6px}.yn-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:700;background:#ffffff14;color:var(--text-main)}.yn-badge-cyan{background:#00f2fe26;color:var(--accent-cyan);border:1px solid rgba(0,242,254,.3)}.yn-badge-amber{background:#f59e0b26;color:var(--accent-amber);border:1px solid rgba(245,158,11,.3)}.yn-card-rating{display:flex;align-items:center;gap:4px;font-family:var(--font-mono);font-size:.88rem;font-weight:700;color:var(--accent-amber);background:#f59e0b1a;padding:4px 8px;border-radius:var(--radius-sm)}.yn-card-title{font-size:1.25rem;font-weight:700;color:var(--text-main);margin-bottom:8px;line-height:1.4}.yn-card-meta{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--text-muted);margin-bottom:14px}.yn-meta-item{display:flex;align-items:center;gap:8px}.yn-card-desc{font-size:.9rem;color:var(--text-muted);line-height:1.6;margin-bottom:18px;flex-grow:1}.yn-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}.yn-tag{font-size:.75rem;color:var(--text-dim);background:#ffffff0a;padding:3px 8px;border-radius:var(--radius-sm)}.yn-card-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--border-subtle)}.yn-card-price{font-family:var(--font-mono);font-size:1.05rem;font-weight:700;color:var(--accent-cyan)}.yn-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-size:.9rem;font-weight:700;font-family:var(--font-sans);text-decoration:none;cursor:pointer;transition:all .2s var(--ease-spring);border:none}.yn-btn-primary{background:var(--grad-cyan-blue);color:#060913;box-shadow:0 4px 15px #00f2fe4d}.yn-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #00f2fe80}.yn-btn-secondary{background:#ffffff14;color:var(--text-main);border:1px solid var(--border-subtle)}.yn-btn-secondary:hover{background:#ffffff26;border-color:var(--border-medium)}.yn-btn-amber{background:var(--grad-amber-orange);color:#fff;box-shadow:0 4px 15px #f59e0b4d}.yn-btn-amber:hover{transform:translateY(-2px);box-shadow:0 6px 25px #f59e0b80}.yn-btn-block{width:100%}.yn-sleep-widget{background:var(--grad-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow-glow-cyan)}.yn-sleep-tabs{display:flex;gap:8px;margin-bottom:24px}.yn-sleep-tab{flex:1;padding:12px;font-size:.95rem;font-weight:700;text-align:center;background:#ffffff0d;border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-muted);cursor:pointer;transition:all .2s ease}.yn-sleep-tab.active{background:#00f2fe26;color:var(--accent-cyan);border-color:var(--accent-cyan)}.yn-sleep-input-row{display:flex;align-items:center;gap:16px;margin-bottom:28px}.yn-time-input{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;padding:10px 16px;background:#0006;border:1px solid var(--border-medium);border-radius:var(--radius-md);color:var(--accent-cyan);outline:none}.yn-time-input:focus{border-color:var(--accent-cyan);box-shadow:0 0 15px #00f2fe4d}.yn-sleep-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}.yn-sleep-result-card{position:relative;background:#0f172acc;border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:20px;text-align:center;transition:all .3s ease}.yn-sleep-result-card.optimal{border-color:var(--accent-cyan);background:linear-gradient(180deg,#00f2fe14,#0f172ae6);box-shadow:0 0 20px #00f2fe26}.yn-sleep-cycle-badge{position:absolute;top:-10px;left:50%;transform:translate(-50%);padding:2px 10px;border-radius:var(--radius-full);font-size:.72rem;font-weight:800;background:var(--accent-cyan);color:#060913}.yn-sleep-time{font-family:var(--font-mono);font-size:2.2rem;font-weight:800;color:var(--text-main);margin-bottom:4px}.yn-sleep-duration{font-size:.85rem;color:var(--accent-purple-light);font-weight:700;margin-bottom:8px}.yn-sleep-note{font-size:.78rem;color:var(--text-muted);line-height:1.4}.yn-faq-list{display:flex;flex-direction:column;gap:16px;max-width:860px}.yn-faq-item{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:20px 24px;transition:border-color .2s ease}.yn-faq-item:hover{border-color:var(--border-medium)}.yn-faq-q{font-size:1.05rem;font-weight:700;color:var(--text-main);margin-bottom:10px;display:flex;align-items:flex-start;gap:10px}.yn-faq-q-badge{color:var(--accent-cyan);font-family:var(--font-mono);font-weight:800;flex-shrink:0}.yn-faq-a{font-size:.92rem;color:var(--text-muted);line-height:1.7;padding-left:28px}.yn-eeat-card{background:#0f172a99;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px;margin-top:32px}.yn-eeat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:20px}.yn-eeat-item{display:flex;flex-direction:column;gap:6px}.yn-eeat-title{font-size:.95rem;font-weight:700;color:var(--accent-cyan)}.yn-eeat-desc{font-size:.85rem;color:var(--text-muted);line-height:1.5}.yn-footer{margin-top:auto;background:#060913f2;border-top:1px solid var(--border-subtle);padding:60px 0 30px}.yn-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}@media (max-width: 768px){.yn-footer-grid{grid-template-columns:1fr;gap:30px}}.yn-footer-brand{display:flex;flex-direction:column;gap:12px}.yn-footer-text{font-size:.88rem;color:var(--text-dim);line-height:1.6;max-width:400px}.yn-footer-col-title{font-size:.95rem;font-weight:700;color:var(--text-main);margin-bottom:16px}.yn-footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}.yn-footer-link{font-size:.88rem;color:var(--text-muted);text-decoration:none;transition:color .2s ease}.yn-footer-link:hover{color:var(--accent-cyan)}.yn-copyright{text-align:center;font-size:.8rem;color:var(--text-dim);padding-top:24px;border-top:1px solid var(--border-subtle);font-family:var(--font-mono)}.yn-rakuten-section-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:36px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border-subtle)}.yn-rakuten-title-group{display:flex;align-items:center;gap:12px}.yn-rakuten-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-full);background:#bf000026;border:1px solid rgba(191,0,0,.4);color:#ff4d4d;font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.yn-rakuten-title{font-size:1.25rem;font-weight:800;color:var(--text-main)}.yn-rakuten-controls{display:flex;flex-wrap:wrap;gap:8px}.yn-rakuten-chip{padding:6px 14px;border-radius:var(--radius-full);background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-muted);font-size:.82rem;font-weight:600;cursor:pointer;transition:all .2s ease}.yn-rakuten-chip:hover{background:var(--bg-surface-hover);color:var(--text-main);border-color:var(--border-medium)}.yn-rakuten-chip.active{background:#bf000040;border-color:#ff4d4d99;color:#ff6b6b}.yn-rakuten-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px;margin-bottom:32px}.yn-rakuten-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s var(--ease-spring),border-color .25s ease,box-shadow .25s ease;position:relative}.yn-rakuten-card:hover{transform:translateY(-4px);border-color:#ff4d4d66;box-shadow:0 10px 30px -5px #0009,0 0 20px -5px #bf000033}.yn-rakuten-img-wrap{width:100%;height:160px;background:#0f172ae6;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.yn-rakuten-img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.yn-rakuten-card:hover .yn-rakuten-img{transform:scale(1.05)}.yn-rakuten-placeholder-img{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text-dim);font-size:.8rem}.yn-rakuten-body{padding:16px;display:flex;flex-direction:column;flex:1}.yn-rakuten-item-title{font-size:.92rem;font-weight:700;color:var(--text-main);line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.yn-rakuten-subtext{font-size:.78rem;color:var(--text-dim);margin-bottom:12px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.yn-rakuten-meta-row{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px solid var(--border-subtle)}.yn-rakuten-price{font-family:var(--font-mono);font-size:1.05rem;font-weight:800;color:#ff6b6b}.yn-rakuten-price-unit{font-size:.75rem;font-weight:500;color:var(--text-muted);margin-left:2px}.yn-rakuten-rating{display:flex;align-items:center;gap:4px;font-family:var(--font-mono);font-size:.82rem;font-weight:700;color:#fbbf24}.yn-rakuten-action-btn{margin-top:12px;display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:9px 12px;border-radius:var(--radius-sm);background:linear-gradient(135deg,#bf0000,#e60000);color:#fff;font-size:.84rem;font-weight:700;text-decoration:none;transition:all .2s ease;box-shadow:0 4px 12px #bf00004d}.yn-rakuten-action-btn:hover{background:linear-gradient(135deg,#d60000,#ff1a1a);box-shadow:0 6px 16px #bf000073;transform:translateY(-1px)}.yn-rakuten-loading{grid-column:1 / -1;text-align:center;padding:40px 20px;color:var(--text-muted);font-size:.9rem;display:flex;flex-direction:column;align-items:center;gap:12px}.yn-spinner{width:32px;height:32px;border:3px solid rgba(255,255,255,.1);border-top-color:#ff4d4d;border-radius:50%;animation:yn-spin .8s linear infinite}@keyframes yn-spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.yn-header-inner{height:64px}.yn-nav{display:none}.yn-hero{padding:40px 0 24px}.yn-sleep-widget{padding:20px}}