*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:inter,noto sans jp,-apple-system,BlinkMacSystemFont,segoe ui,sans-serif;line-height:1.7;color:#e0e0e0;background:#0a0a0f;min-height:100vh}:root{--color-bg:#0a0a0f;--color-bg-card:rgba(15, 15, 25, 0.7);--color-bg-card-hover:rgba(20, 20, 35, 0.9);--color-primary:#00f0ff;--color-primary-glow:rgba(0, 240, 255, 0.3);--color-accent:#ff00ff;--color-accent-glow:rgba(255, 0, 255, 0.3);--color-text:#e0e0e0;--color-text-muted:#888899;--color-border:rgba(0, 240, 255, 0.15);--color-border-hover:rgba(0, 240, 255, 0.4);--color-gradient:linear-gradient(135deg, #00f0ff 0%, #ff00ff 100%);--color-gradient-2:linear-gradient(135deg, #00f0ff 0%, #7d00ff 100%);--radius:16px;--radius-sm:8px;--transition:all 0.3s ease}.container{max-width:1200px;margin:0 auto;padding:0 24px}@media(max-width:768px){.container{padding:0 16px}}.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);background:rgba(10,10,15,.7);border-bottom:1px solid var(--color-border)}.navbar{display:flex;align-items:center;justify-content:space-between;height:72px}.logo{display:flex;flex-direction:column;text-decoration:none}.logo-text{font-family:inter,sans-serif;font-size:1.5rem;font-weight:800;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-accent{color:var(--color-primary)}.logo-subtitle{font-size:.65rem;color:var(--color-text-muted);letter-spacing:.1em}.nav-links{display:flex;gap:32px}.nav-link{color:var(--color-text);text-decoration:none;font-size:.95rem;font-weight:500;transition:var(--transition);position:relative}.nav-link:hover{color:var(--color-primary)}.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--color-gradient);transition:var(--transition)}.nav-link:hover::after{width:100%}.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding:80px 0}.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.hero-bg-gradient{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 50%,rgba(0,240,255,.1) 0%,transparent 40%);background:radial-gradient(circle at 20% 50%,rgba(0,240,255,.1) 0%,transparent 40%),radial-gradient(circle at 80% 30%,rgba(255,0,255,8%) 0%,transparent 40%);z-index:1}.hero-bg-particles{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.particle{position:absolute;background:var(--color-primary);border-radius:50%;opacity:.3;animation:float 6s infinite ease-in-out;box-shadow:0 0 10px var(--color-primary-glow)}.particle:nth-child(1){width:8px;height:8px;top:20%;left:15%;animation-delay:0s}.particle:nth-child(2){width:12px;height:12px;top:40%;left:80%;animation-delay:.5s}.particle:nth-child(3){width:6px;height:6px;top:70%;left:25%;animation-delay:1s}.particle:nth-child(4){width:10px;height:10px;top:30%;left:50%;animation-delay:1.5s}.particle:nth-child(5){width:8px;height:8px;top:85%;left:70%;animation-delay:2s}@keyframes float{0%,100%{transform:translateY(0)scale(1);opacity:.3}50%{transform:translateY(-20px)scale(1.2);opacity:.5}}.hero-content{position:relative;z-index:2;max-width:720px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:50px;background:rgba(0,240,255,.1);border:1px solid var(--color-border);margin-bottom:32px;font-size:.85rem;color:var(--color-primary);font-weight:500}.hero-title{font-size:clamp(2.5rem,6vw,4rem);font-weight:800;line-height:1.1;margin-bottom:24px;font-family:inter,noto sans jp,sans-serif}.hero-title-line{display:block}.hero-title-accent{background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-description{font-size:1.15rem;color:var(--color-text-muted);margin-bottom:32px;line-height:1.8}.hero-cta{display:flex;gap:16px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;border-radius:50px;font-size:1rem;font-weight:600;text-decoration:none;transition:var(--transition);border:none;cursor:pointer;font-family:inter,sans-serif}.btn-primary{background:var(--color-gradient);color:#0a0a0f;box-shadow:0 0 25px var(--color-primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 35px var(--color-primary-glow)}.btn-secondary{background:0 0;color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-card-hover);color:var(--color-primary);border-color:var(--color-border-hover)}.section{padding:80px 0}.section-alt{background:var(--color-bg-card);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.section-header{text-align:center;margin-bottom:64px}.section-title{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;margin-bottom:12px;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-description{color:var(--color-text-muted);font-size:1.05rem}.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}.post-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);backdrop-filter:blur(10px)}.post-card:hover{transform:translateY(-4px);border-color:var(--color-border-hover);box-shadow:0 10px 40px rgba(0,0,0,.3);background:var(--color-bg-card-hover)}.post-card-inner{padding:28px}.post-card-meta{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:.85rem}.post-card-date{color:var(--color-text-muted)}.post-card-category{color:var(--color-primary);background:rgba(0,240,255,.1);padding:2px 12px;border-radius:20px;font-size:.75rem;font-weight:600;text-decoration:none;transition:var(--transition)}.post-card-category:hover{background:rgba(0,240,255,.2)}.post-card-title{font-size:1.3rem;font-weight:700;margin-bottom:12px}.post-card-title a{color:var(--color-text);text-decoration:none;transition:var(--transition)}.post-card-title a:hover{color:var(--color-primary)}.post-card-description{color:var(--color-text-muted);font-size:.95rem;margin-bottom:16px;line-height:1.7}.post-card-link{color:var(--color-primary);text-decoration:none;font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:4px;transition:var(--transition)}.post-card-link:hover{gap:8px}.article{padding:60px 0}.article-wrapper{max-width:800px;margin:0 auto}.article-header{margin-bottom:48px;text-align:center}.article-meta{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:24px;font-size:.9rem}.article-date{color:var(--color-text-muted)}.article-category{color:var(--color-primary);background:rgba(0,240,255,.1);padding:4px 16px;border-radius:20px;font-size:.8rem;font-weight:600;text-decoration:none}.article-title{font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.2;margin-bottom:16px;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.article-description{font-size:1.15rem;color:var(--color-text-muted);line-height:1.8}.article-content{font-size:1.05rem;line-height:1.9;color:silver}.article-content h2{font-size:1.8rem;font-weight:700;margin:48px 0 24px;color:var(--color-text);position:relative;padding-bottom:12px}.article-content h2::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:3px;background:var(--color-gradient)}.article-content h3{font-size:1.4rem;font-weight:600;margin:32px 0 16px;color:var(--color-text)}.article-content p{margin-bottom:20px}.article-content ul,.article-content ol{margin:20px 0;padding-left:32px}.article-content li{margin-bottom:8px;line-height:1.8}.article-content a{color:var(--color-primary);text-decoration:none;text-decoration-thickness:1px;text-underline-offset:3px}.article-content a:hover{color:var(--color-accent);text-decoration-thickness:2px}.article-content blockquote{border-left:3px solid var(--color-primary);background:rgba(0,240,255,5%);padding:20px 28px;margin:24px 0;border-radius:0 var(--radius-sm)var(--radius-sm)0;font-style:italic;color:var(--color-text-muted)}.article-content code{background:rgba(0,240,255,.1);padding:2px 8px;border-radius:4px;font-size:.9rem;color:var(--color-primary)}.article-content pre{background:#1a1a2e;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:20px;overflow-x:auto;margin:24px 0}.article-content pre code{background:0 0;padding:0;color:silver}.faq-section{margin:60px 0}.faq-title{font-size:1.8rem;font-weight:700;margin-bottom:8px;color:var(--color-text)}.faq-description{color:var(--color-text-muted);margin-bottom:32px;font-size:1.05rem}.faq-list{display:flex;flex-direction:column;gap:12px}.faq-item{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden;transition:var(--transition);backdrop-filter:blur(10px)}.faq-item:hover{border-color:var(--color-border-hover);box-shadow:0 5px 20px rgba(0,0,0,.2)}.faq-question{width:100%;background:0 0;border:none;padding:20px 24px;text-align:left;font-size:1.05rem;font-weight:600;color:var(--color-text);cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:var(--transition)}.faq-question:hover{color:var(--color-primary)}.faq-question::after{content:'+';font-size:1.5rem;color:var(--color-primary);transition:var(--transition)}.faq-question.active::after{content:'−'}.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;background:rgba(10,10,15,.5)}.faq-answer.active{max-height:500px}.faq-answer p{padding:20px 24px;color:var(--color-text-muted);line-height:1.8}.article-tags{margin-top:48px;padding-top:32px;border-top:1px solid var(--color-border);display:flex;align-items:center;gap:12px;flex-wrap:wrap}.tags-label{color:var(--color-text-muted);font-size:.9rem}.tag-link{color:var(--color-primary);background:rgba(0,240,255,.1);padding:4px 16px;border-radius:20px;font-size:.85rem;font-weight:600;text-decoration:none;transition:var(--transition)}.tag-link:hover{background:rgba(0,240,255,.2)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}.feature-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px;text-align:center;transition:var(--transition);backdrop-filter:blur(10px)}.feature-card:hover{transform:translateY(-4px);border-color:var(--color-border-hover);box-shadow:0 10px 40px rgba(0,0,0,.3);background:var(--color-bg-card-hover)}.feature-icon{font-size:2.5rem;margin-bottom:16px}.feature-title{font-size:1.2rem;font-weight:700;margin-bottom:8px;color:var(--color-text)}.feature-description{color:var(--color-text-muted);font-size:.95rem}.list-wrapper{padding:60px 0}.list-header{text-align:center;margin-bottom:48px}.list-title{font-size:clamp(2rem,5vw,2.8rem);font-weight:800;margin-bottom:12px;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.list-description{color:var(--color-text-muted);font-size:1.05rem}.no-posts{text-align:center;padding:60px;color:var(--color-text-muted)}.site-footer{background:#050508;border-top:1px solid var(--color-border);padding:48px 0 24px}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px}.footer-brand .logo-text{font-size:1.3rem}.footer-desc{color:var(--color-text-muted);font-size:.9rem;margin-top:4px}.footer-links{display:flex;gap:24px}.footer-links a{color:var(--color-text-muted);text-decoration:none;font-size:.9rem;transition:var(--transition)}.footer-links a:hover{color:var(--color-primary)}.footer-copyright{margin-top:24px;width:100%;text-align:center;color:var(--color-text-muted);font-size:.85rem}@media(max-width:768px){.hero{padding:60px 0}.hero-cta{flex-direction:column}.hero-content{text-align:center}.footer-content{flex-direction:column;text-align:center}.nav-links{gap:16px}.article-content{font-size:1rem}.article-content h2{font-size:1.5rem}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-accent)}.lead{font-size:1.25rem;font-weight:300;line-height:1.8;color:#a0a0b0;margin-bottom:32px;padding:24px;border-left:3px solid var(--color-primary);background:rgba(0,240,255,3%);border-radius:0 var(--radius-sm)var(--radius-sm)0}