.sora-guide{--color-bg: #ffffff;--color-text: #0a0a0a;--color-accent: #38bdf8;--color-accent-light: #7dd3fc;--color-accent-bg: #f0f9ff;--color-accent-border: #bae6fd;--color-gray-border: #e5e5e5;font-family:Noto Sans JP,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;padding-bottom:100px}.sora-guide .back-link{display:inline-block;padding:16px 24px;font-size:.9rem;color:#666;transition:color .2s}.sora-guide .back-link:hover{color:var(--color-accent)}.sora-guide .container{max-width:1000px;margin:0 auto;padding:40px 20px}.sora-guide h1,.sora-guide h2,.sora-guide h3{font-weight:900;line-height:1.3}.sora-guide h1{font-size:3.5rem;margin-bottom:1rem;letter-spacing:-.02em}.sora-guide h2{font-size:1.8rem;margin-bottom:2rem;border-bottom:3px solid var(--color-accent);padding-bottom:.5rem;display:inline-block}.sora-guide h3{font-size:1.4rem;margin-bottom:1rem}.sora-guide p{margin-bottom:1.5rem}.sora-guide .section{margin-bottom:6rem}.sora-guide .hero-desc{font-size:1.5rem;font-weight:700;margin-bottom:3rem}.sora-guide .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.sora-guide .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.sora-guide .grid-auto{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.sora-guide .card{background-color:var(--color-bg);border:1px solid var(--color-gray-border);padding:1.5rem;border-radius:8px;transition:all .2s ease}.sora-guide .card.highlight{background-color:var(--color-accent-bg);border-color:var(--color-accent-border)}.sora-guide .card-title{font-weight:900;font-size:1.2rem;margin-bottom:.5rem;color:var(--color-accent)}.sora-guide .check-list{list-style:none;padding:0;margin:0}.sora-guide .check-list li{margin-bottom:.8rem;padding-left:1.5rem;position:relative}.sora-guide .check-list.good li:before{content:"✓";color:var(--color-accent);font-weight:900;position:absolute;left:0}.sora-guide .check-list.bad li:before{content:"×";color:var(--color-text);font-weight:900;position:absolute;left:0}.sora-guide .caution-list{margin-top:1rem}.sora-guide .step-list{counter-reset:step;list-style:none;padding:0}.sora-guide .step-list li{margin-bottom:1.5rem;padding-left:3rem;position:relative}.sora-guide .step-list li:before{counter-increment:step;content:counter(step);background-color:var(--color-accent);color:#fff;font-weight:900;width:2rem;height:2rem;border-radius:50%;display:block;text-align:center;line-height:2rem;position:absolute;left:0;top:-.2rem}.sora-guide .price-table{width:100%;border-collapse:collapse;margin-bottom:2rem}.sora-guide .price-table th,.sora-guide .price-table td{border:1px solid var(--color-gray-border);padding:1rem;text-align:left}.sora-guide .price-table th{background-color:var(--color-accent-bg);font-weight:900}.sora-guide .code-block{background-color:var(--color-accent-bg);padding:1.5rem;border-radius:8px;font-family:monospace;white-space:pre-wrap;margin-bottom:1.5rem;border:1px solid var(--color-accent-border);font-size:.95rem}.sora-guide .btn{display:inline-block;background-color:var(--color-text);color:#fff;padding:1rem 2rem;text-decoration:none;font-weight:700;border-radius:4px;transition:background-color .2s}.sora-guide .btn:hover{background-color:var(--color-accent)}.sora-guide .btn-wrapper{text-align:center;margin-top:2rem}.sora-guide .comparison-item{margin-bottom:2rem;border-left:4px solid var(--color-gray-border);padding-left:1.5rem}.sora-guide .label{display:inline-block;padding:.2rem .6rem;border-radius:4px;font-size:.8rem;font-weight:900;margin-right:.5rem;margin-bottom:.5rem}.sora-guide .label.good{background-color:var(--color-accent);color:#fff}.sora-guide .label.bad,.sora-guide .label.before{background-color:var(--color-gray-border);color:var(--color-text)}.sora-guide .label.after{background-color:var(--color-accent);color:#fff}.sora-guide .guide-footer{text-align:center;padding-top:2rem;margin-top:4rem;border-top:1px solid var(--color-gray-border)}.sora-guide .footer-disclaimer{font-size:.85rem;color:#666;margin-bottom:1.5rem}@media (max-width: 768px){.sora-guide h1{font-size:2.5rem}.sora-guide .grid-2,.sora-guide .grid-3{grid-template-columns:1fr}.sora-guide .container{padding:20px}}