*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-main:#f4f5f7;--bg-white:#fff;--bg-card:#f9f9fb;--border-light:#e3e5ea;--text-primary:#333;--text-secondary:#555;--text-meta:#888;--accent:#e6a817;--accent-gradient:linear-gradient(135deg, #e6a817 0%, #f0c040 100%);--accent-dark:#c48f10;--accent-light:#e6a81714;--max-width:1300px;--sidebar-width:300px;--header-height:64px;--radius:8px;--shadow:0 2px 8px #0000000f;--shadow-lg:0 4px 20px #00000014}html{scroll-behavior:smooth;scroll-padding-top:80px}body{background:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,Noto Sans JP,sans-serif;font-size:16px;line-height:1.8}a{color:var(--accent-dark);text-decoration:none;transition:color .2s}a:hover{color:var(--accent)}img{max-width:100%;height:auto;display:block}.header{z-index:100;border-bottom:1px solid var(--border-light);height:var(--header-height);background:#fff;position:fixed;top:0;left:0;right:0;box-shadow:0 1px 4px #0000000a}.header-inner{max-width:var(--max-width);justify-content:space-between;align-items:center;height:100%;margin:0 auto;padding:0 24px;display:flex}.header-logo img{height:42px}.header-nav{gap:28px;list-style:none;display:flex}.header-nav a{color:var(--text-secondary);padding:4px 0;font-size:14px;font-weight:600;transition:color .2s;position:relative}.header-nav a:after{content:"";background:var(--accent);width:0;height:2px;transition:width .3s;position:absolute;bottom:-2px;left:0}.header-nav a:hover{color:var(--text-primary)}.header-nav a:hover:after{width:100%}.mobile-menu-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;font-size:24px;display:none}.mobile-nav{top:var(--header-height);border-bottom:1px solid var(--border-light);z-index:99;background:#fff;padding:16px 24px;display:none;position:fixed;left:0;right:0}.mobile-nav.open{display:block}.mobile-nav a{color:var(--text-secondary);border-bottom:1px solid var(--border-light);padding:12px 0;font-size:15px;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.page-wrapper{margin-top:var(--header-height);min-height:100vh;padding-top:24px}.layout-two-col{grid-template-columns:1fr var(--sidebar-width);align-items:start;gap:32px;display:grid}.main-content{min-width:0}.article-card{background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow);padding:40px 40px 48px}.post-title-area{margin-bottom:8px}.post-category-badge{background:var(--accent);color:#fff;border-radius:4px;margin-bottom:12px;padding:3px 14px;font-size:12px;font-weight:700;display:inline-block}.post-title{color:var(--text-primary);margin-bottom:12px;font-size:26px;font-weight:800;line-height:1.5}.post-meta{color:var(--text-meta);flex-wrap:wrap;gap:16px;margin-bottom:20px;font-size:13px;display:flex}.post-eyecatch{border-radius:var(--radius);margin-bottom:32px;overflow:hidden}.post-eyecatch img{width:100%;height:auto}.post-hero{background-position:50%;background-size:cover;border-radius:0;align-items:flex-end;height:180px;margin-bottom:28px;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);display:flex;position:relative;overflow:hidden}.post-hero-overlay{background:linear-gradient(#0000000d 0%,#00000059 50%,#000000d1 100%);position:absolute;inset:0}.post-hero-content{z-index:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:24px 28px;position:relative}.post-hero-category{background:var(--accent);color:#fff;border-radius:20px;margin-bottom:8px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.post-hero-title{color:#fff;text-shadow:0 2px 8px #00000080;font-size:20px;font-weight:800;line-height:1.5}.post-hero-meta{color:#ffffffb3;flex-wrap:wrap;gap:16px;margin-top:8px;font-size:12px;display:flex}.sidebar{position:sticky;top:88px}.sidebar-section{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:20px}.sidebar-title{border-bottom:2px solid var(--accent);margin-bottom:14px;padding-bottom:10px;font-size:15px;font-weight:700}.sidebar-cat-list{list-style:none}.sidebar-cat-item a{border-bottom:1px solid var(--border-light);color:var(--text-secondary);justify-content:space-between;align-items:center;padding:10px 0;font-size:14px;transition:color .2s;display:flex}.sidebar-cat-item a:hover{color:var(--accent)}.cat-arrow{color:var(--text-meta)}.sidebar-cta{text-align:center;background:var(--accent-gradient);color:#fff;border-radius:30px;margin-top:14px;padding:12px 16px;font-weight:700;transition:transform .2s,box-shadow .2s;display:block}.sidebar-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 4px 16px #e6a8174d}.breadcrumbs{color:var(--text-meta);flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:20px;font-size:13px;display:flex}.breadcrumbs a{color:var(--text-meta)}.breadcrumbs a:hover{color:var(--accent)}.pillar-h2{background:var(--text-primary);color:#fff;border-radius:var(--radius);margin:48px 0 24px;padding:16px 22px;font-size:20px;font-weight:800;position:relative}.pillar-h2:after{content:"";background:var(--text-primary);width:16px;height:16px;position:absolute;bottom:-8px;left:28px;transform:rotate(45deg)}.pillar-h3{border-left:4px solid var(--accent);color:var(--text-primary);margin:36px 0 18px;padding:12px 0 12px 18px;font-size:18px;font-weight:700}.pillar-h4{color:var(--text-primary);margin:24px 0 14px;padding-left:18px;font-size:16px;font-weight:700;position:relative}.pillar-h4:before{content:"▸";color:var(--accent);position:absolute;left:0}.pillar-intro{border-left:4px solid var(--accent);background:var(--accent-light);border-radius:0 var(--radius) var(--radius) 0;color:var(--text-secondary);margin-bottom:28px;padding:18px 22px;font-size:15px;line-height:1.9}.content-section{margin-bottom:32px}.content-section p{color:var(--text-secondary);margin-bottom:18px;line-height:1.9}.content-section ul,.content-section ol{color:var(--text-secondary);margin:14px 0 18px 24px}.content-section li{margin-bottom:8px;line-height:1.8}.spec-table{border-collapse:collapse;border:1px solid var(--border-light);border-radius:var(--radius);width:100%;margin:18px 0 28px;font-size:14px;overflow:hidden}.spec-table th,.spec-table td{text-align:left;border-bottom:1px solid var(--border-light);padding:12px 16px}.spec-table th{color:var(--text-primary);white-space:nowrap;background:#f0f0f3;min-width:120px;font-weight:700}.spec-table td{color:var(--text-secondary);background:#fff}.spec-table tr:nth-child(2n) td{background:#fafafa}.spec-table thead th{background:var(--text-primary);color:#fff}.spec-table-scroll{-webkit-overflow-scrolling:touch;margin:18px 0 28px;overflow-x:auto}.step-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);margin-bottom:20px;padding:28px 28px 24px;position:relative}.step-num{background:var(--accent);color:#fff;letter-spacing:.5px;border-radius:4px;margin-bottom:14px;padding:5px 18px;font-size:12px;font-weight:800;display:inline-block}.step-title{color:var(--text-primary);margin-bottom:14px;font-size:18px;font-weight:700;line-height:1.5}.step-desc{color:var(--text-secondary);margin-bottom:16px;font-size:15px;line-height:1.9}.step-img{border-radius:var(--radius);border:1px solid var(--border-light);box-shadow:var(--shadow);margin:18px 0}.check-box{border-radius:var(--radius);background:#eaf7ef;border:1px solid #c3e6d1;gap:14px;margin:22px 0;padding:18px 20px;display:flex}.check-box-icon{flex-shrink:0;font-size:22px;line-height:1.4}.check-box ul{margin:0;list-style:none}.check-box li{color:var(--text-secondary);margin-bottom:4px;padding-left:22px;font-size:14px;line-height:1.8;position:relative}.check-box li:before{content:"✓";color:#27ae60;font-weight:700;position:absolute;left:0}.caution-box{border-radius:var(--radius);background:#fdf2f0;border:1px solid #f5c6c0;gap:14px;margin:22px 0;padding:18px 20px;display:flex}.caution-box-icon{flex-shrink:0;font-size:22px;line-height:1.4}.caution-box p{color:var(--text-secondary);margin:0;font-size:14px;line-height:1.8}.memo-box{border-left:4px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;box-shadow:var(--shadow);background:#fffbf0;margin:22px 0;padding:18px 22px}.memo-box-title{color:var(--accent-dark);margin-bottom:8px;font-size:14px;font-weight:700}.memo-box p,.memo-box ul{color:var(--text-secondary);font-size:14px;line-height:1.8}.memo-box ul{margin-left:20px;list-style:outside}.memo-box li{margin-bottom:4px}.cta-btn-primary{background:var(--accent-gradient);color:#fff;text-align:center;border-radius:30px;padding:14px 32px;font-weight:700;transition:transform .2s,box-shadow .2s;display:inline-block;box-shadow:0 4px 16px #e6a81740}.cta-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 6px 24px #e6a81766}.cta-btn-lg{padding:16px 40px;font-size:17px}.cta-btn-pillar{background:var(--accent-gradient);color:#fff;border-radius:30px;padding:10px 24px;font-size:14px;font-weight:700;transition:transform .2s;display:inline-block}.cta-btn-pillar:hover{color:#fff;transform:translateY(-2px)}.pillar-final-cta{text-align:center;background:var(--accent-light);border-radius:var(--radius);border:2px solid #e6a81733;margin:48px 0;padding:40px 24px}.pillar-final-cta-text{color:var(--text-secondary);margin-bottom:20px;font-size:16px}.feature-cards{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin:24px 0;display:grid}.feature-card{background:var(--bg-white);border:1px solid var(--border-light);border-top:3px solid var(--accent);border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);padding:24px;transition:transform .2s,box-shadow .2s}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.feature-card-icon{margin-bottom:12px;font-size:32px}.feature-card-title{color:var(--text-primary);margin-bottom:8px;font-size:15px;font-weight:700}.feature-card-desc{color:var(--text-secondary);font-size:13px;line-height:1.7}.hero{text-align:center;border-bottom:1px solid var(--border-light);background:linear-gradient(135deg,#1a1200 0%,#0e0f14 50%,#1a0e2e 100%);justify-content:center;align-items:center;min-height:440px;display:flex;position:relative;overflow:hidden}.hero-badge{color:var(--accent);background:#e6a81726;border:1px solid #e6a8174d;border-radius:20px;margin-bottom:20px;padding:6px 16px;font-size:13px;font-weight:600;display:inline-block}.hero-title{color:#fff;margin-bottom:16px;font-size:36px;font-weight:800;line-height:1.3}.hero-desc{color:#ffffffb3;max-width:600px;margin-bottom:28px;margin-left:auto;margin-right:auto;font-size:16px}.hero-btn{background:var(--accent-gradient);color:#fff;border-radius:30px;padding:14px 36px;font-size:16px;font-weight:700;transition:transform .2s,box-shadow .2s;display:inline-block;box-shadow:0 4px 20px #e6a8174d}.hero-btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 6px 28px #e6a81773}.info-table-wrap{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:var(--shadow);margin:24px 0;overflow:hidden}.table-responsive{-webkit-overflow-scrolling:touch;margin:18px 0 28px;overflow-x:auto}.info-table{border-collapse:collapse;border-radius:var(--radius);border:1px solid #d0d3d9;width:100%;font-size:14px;overflow:hidden}.info-table th,.info-table td{text-align:left;border:1px solid #d0d3d9;padding:12px 16px}.info-table th{background:var(--text-primary);color:#fff;white-space:nowrap;font-weight:700}.info-table td{color:var(--text-secondary);background:#fff}.info-table tbody tr:nth-child(2n) td{background:#f8f9fb}.info-table tbody tr:hover td{background:#f0f1f4}.promo-cards{grid-template-columns:repeat(2,1fr);gap:20px;margin:24px 0;display:grid}.promo-card{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;transition:transform .2s}.promo-card:hover{transform:translateY(-2px)}.promo-card-title{color:var(--text-primary);margin-bottom:8px;font-size:15px;font-weight:700}.promo-card-desc{color:var(--text-secondary);font-size:13px;line-height:1.7}.game-cards{grid-template-columns:repeat(2,1fr);gap:20px;margin:24px 0;display:grid}.game-card{border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border-light);align-items:flex-end;min-height:180px;display:flex;position:relative;overflow:hidden}.game-card-bg-overlay{background:linear-gradient(#0000 0%,#000c 100%);position:absolute;inset:0}.game-card-content{z-index:1;width:100%;padding:20px;position:relative}.game-card-title{color:#fff;font-size:17px;font-weight:700}.game-card-desc{color:#ffffffb3;margin-top:4px;font-size:13px}.guide-cards{grid-template-columns:repeat(2,1fr);gap:20px;margin:24px 0;display:grid}.guide-card{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .2s;overflow:hidden}.guide-card:hover{transform:translateY(-3px)}.guide-card-header{border-bottom:1px solid var(--border-light);background:#fafafa;padding:16px 20px}.guide-card-cat{color:var(--text-primary);font-size:16px;font-weight:700}.guide-card-body{padding:12px 20px}.guide-card-link{border-bottom:1px solid var(--border-light);color:var(--text-secondary);padding:10px 0;font-size:14px;transition:color .2s;display:block}.guide-card-link:last-child{border-bottom:none}.guide-card-link:hover{color:var(--accent)}.faq-list{flex-direction:column;gap:12px;margin:24px 0;list-style:none;display:flex}.faq-item{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.faq-item details summary{cursor:pointer;list-style:none}.faq-item details summary::-webkit-details-marker{display:none}.faq-question{cursor:pointer;color:var(--text-primary);align-items:center;gap:14px;padding:18px 22px;font-size:15px;font-weight:600;transition:background .2s;display:flex}.faq-question:hover{background:#f8f8fa}.faq-q-mark{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:14px;font-weight:800;display:flex}.faq-question-text{flex:1}.faq-question:after{content:"+";color:var(--text-meta);font-size:20px;transition:transform .2s}details[open] .faq-question:after{content:"−"}.faq-answer{color:var(--text-secondary);padding:0 22px 18px 66px;font-size:14px;line-height:1.8}.highlight-box{border-radius:var(--radius);background:#fffbf0;border:2px solid #e6a8174d;margin:24px 0;padding:24px}.highlight-box-title{color:var(--accent-dark);margin-bottom:10px;font-size:17px;font-weight:700}.highlight-box-text{color:var(--text-secondary);line-height:1.8}.safety-items{grid-template-columns:repeat(2,1fr);gap:16px;margin:24px 0;display:grid}.safety-item{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.safety-item-icon{margin-bottom:10px;font-size:28px}.safety-item-title{color:var(--text-primary);margin-bottom:6px;font-size:15px;font-weight:700}.safety-item-desc{color:var(--text-secondary);font-size:13px;line-height:1.7}.content-img{border-radius:var(--radius);border:1px solid var(--border-light);box-shadow:var(--shadow);margin:18px 0}.note-box{border-radius:var(--radius);color:var(--text-secondary);background:#fffbf0;border:1px solid #e6a81733;margin:16px 0;padding:16px 20px;font-size:14px;line-height:1.8}.note-box-title{color:var(--accent-dark);margin-bottom:6px;font-weight:700}.warning-box{border-radius:var(--radius);color:var(--text-secondary);background:#fdf2f0;border:1px solid #f5c6c0;margin:16px 0;padding:16px 20px;font-size:14px;line-height:1.8}.toc{border:1px solid var(--border-light);border-radius:var(--radius);background:#f8f8fa;margin:28px 0;padding:24px 28px}.toc-title{border-bottom:2px solid var(--accent);color:var(--text-primary);margin-bottom:14px;padding-bottom:10px;font-size:15px;font-weight:700}.toc-list{counter-reset:toc;list-style:none}.toc-list li{counter-increment:toc;margin-bottom:8px}.toc-list li:before{content:counter(toc) ". ";color:var(--accent);font-weight:700}.toc-list a{color:var(--text-secondary);font-size:14px}.toc-list a:hover{color:var(--accent)}.footer{border-top:1px solid var(--border-light);background:#2d2d2d;margin-top:60px;padding:40px 0 24px}.footer-inner{max-width:var(--max-width);text-align:center;margin:0 auto;padding:0 24px}.footer-links{flex-wrap:wrap;justify-content:center;gap:8px 20px;margin-bottom:24px;list-style:none;display:flex}.footer-links a{color:#bdc3c7;font-size:13px}.footer-links a:hover{color:var(--accent)}.footer-copy{color:#888;font-size:12px}@media (max-width:768px){.header-nav{display:none}.mobile-menu-btn{display:block}.layout-two-col{grid-template-columns:1fr}.sidebar{position:static}.hero{min-height:320px;padding:24px 16px}.hero-title{font-size:22px}.hero-desc{font-size:14px}.hero-btn{padding:12px 28px;font-size:14px}.post-hero{height:160px}.post-hero-title{font-size:17px}.post-hero-content{padding:16px 18px}.post-hero-meta{margin-top:6px;font-size:11px}.post-title{font-size:20px}.article-card{padding:24px 20px 32px}.pillar-h2{margin:36px 0 18px;padding:14px 18px;font-size:16px}.pillar-h3{font-size:16px}.pillar-intro{padding:14px 16px;font-size:14px}.feature-cards,.promo-cards,.game-cards,.guide-cards,.safety-items{grid-template-columns:1fr}.container{padding:0 14px}.step-card{padding:20px 16px 18px}.step-title{font-size:16px}.step-desc{font-size:14px}.step-image img{border-radius:6px}.check-box,.caution-box{flex-direction:column;gap:8px;padding:14px 16px}.faq-question{gap:10px;padding:14px 16px;font-size:14px}.faq-answer{padding:0 16px 14px;font-size:13px}.faq-q-mark{width:24px;height:24px;font-size:12px}.highlight-box{padding:18px 16px}.toc{padding:18px 20px}.toc-list{font-size:13px}.cta-btn-primary{width:100%;padding:12px 24px;font-size:14px;display:block}.cta-btn-lg{padding:14px 28px;font-size:15px}.cta-btn-pillar,.cta-button{text-align:center;display:block}.pillar-final-cta{margin:28px 0;padding:28px 16px}.pillar-final-cta-text{font-size:14px}.sidebar-section{padding:16px}.memo-box{padding:14px 16px;font-size:13px}.info-table{font-size:13px}.info-table th,.info-table td{padding:10px 12px}.table-responsive{margin:14px 0 20px}.related-links{gap:12px}.related-link-card{padding:14px 16px}.related-link-title{font-size:14px}.related-link-desc{font-size:12px}.breadcrumbs{margin-bottom:14px;font-size:12px}.footer{margin-top:40px;padding:28px 0 18px}.footer-links{gap:6px 14px}.post-meta{gap:10px;font-size:12px}}@media (max-width:480px){.hero{min-height:280px}.hero-title{font-size:19px}.hero-badge{padding:4px 12px;font-size:11px}.post-hero{height:140px}.post-hero-title{font-size:14px;line-height:1.4}.post-hero-content{padding:12px 14px}.post-hero-category{margin-bottom:6px;padding:2px 8px;font-size:10px}.post-hero-meta{margin-top:4px;font-size:10px}.post-title{font-size:18px}.article-card{padding:20px 16px 28px}.pillar-h2{padding:12px 16px;font-size:15px}.pillar-h2:after{width:12px;height:12px;left:20px}.spec-table{font-size:12px}.spec-table th,.spec-table td{padding:8px 10px}.spec-table th{min-width:80px}.info-table{font-size:12px}.info-table th,.info-table td{padding:8px 10px}.step-card{padding:16px 14px}.step-num{padding:3px 12px;font-size:11px}.step-title{font-size:15px}.feature-card{padding:18px}.game-card{min-height:140px}.safety-item{padding:16px}.sidebar-cta{font-size:14px}.toc{padding:14px 16px}.toc-title{font-size:14px}.toc-list{font-size:12px}.check-box,.caution-box{padding:12px 14px;font-size:13px}.memo-box{padding:12px 14px;font-size:12px}.content-section p{font-size:14px}.cta-box{padding:20px 16px}.cta-box h3{font-size:16px}.cta-box p{font-size:13px}}