:root{--bg: #0b0f1a;--bg-card: #131a2b;--text: #e6e9f0;--text-muted: #9aa3b5;--accent: #f59e0b;--accent-2: #38bdf8;--border: #232c42;--radius: 12px;--max-w: 1080px;--content-w: 760px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;background:var(--bg);color:var(--text);line-height:1.85;-webkit-font-smoothing:antialiased}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--border);background:#0b0f1ae6;backdrop-filter:blur(8px);position:sticky;top:0;z-index:50}.site-header .inner{position:relative;display:flex;align-items:center;justify-content:space-between;max-width:var(--max-w);margin:0 auto;padding:14px 20px}.logo{font-size:1.3rem;font-weight:800;color:var(--text);letter-spacing:.02em;white-space:nowrap}.logo:hover{text-decoration:none}.logo span{color:var(--accent)}.nav{display:flex;gap:18px;flex-wrap:wrap}.nav a{color:var(--text-muted);font-size:.9rem}.nav a:hover{color:var(--text);text-decoration:none}.nav-toggle-checkbox{display:none}.nav-toggle-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;cursor:pointer;flex-shrink:0}.nav-toggle-btn span{display:block;width:100%;height:2px;background:var(--text);border-radius:2px}@media(max-width:720px){.nav-toggle-btn{display:flex}.nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--bg-card);border-bottom:1px solid var(--border);box-shadow:0 12px 24px #00000059;padding:4px 20px 12px}.nav a{padding:12px 0;border-bottom:1px solid var(--border);font-size:1rem}.nav a:last-child{border-bottom:none}.nav-toggle-checkbox:checked~.nav{display:flex}}.hero{padding:64px 0 48px;text-align:center}.hero h1{font-size:clamp(1.6rem,4vw,2.6rem);font-weight:800;line-height:1.4}.hero h1 em{color:var(--accent);font-style:normal}.hero p{color:var(--text-muted);margin-top:14px;max-width:640px;margin-inline:auto}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .15s,border-color .15s;display:flex;flex-direction:column}.card:hover{transform:translateY(-3px);border-color:var(--accent)}.card a{color:inherit;text-decoration:none;display:flex;flex-direction:column;height:100%}.card .thumb{aspect-ratio:1200 / 630;object-fit:cover;width:100%;background:#1a2338}.card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}.card h2,.card h3{font-size:1.05rem;line-height:1.5}.card .desc{color:var(--text-muted);font-size:.85rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card .meta{margin-top:auto;display:flex;gap:10px;align-items:center;font-size:.78rem;color:var(--text-muted)}.badge{display:inline-block;background:#f59e0b24;color:var(--accent);border-radius:999px;padding:2px 10px;font-size:.72rem;font-weight:700}.article{max-width:var(--content-w);margin:0 auto;padding:40px 20px 60px}.article header h1{font-size:clamp(1.5rem,3.5vw,2.1rem);line-height:1.5;margin-bottom:12px}.article .article-meta{color:var(--text-muted);font-size:.85rem;display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:24px}.article .hero-img{border-radius:var(--radius);margin-bottom:28px}.prose h2{font-size:1.4rem;margin:44px 0 16px;padding:10px 14px;border-left:4px solid var(--accent);background:var(--bg-card);border-radius:6px}.prose h3{font-size:1.15rem;margin:32px 0 12px;padding-bottom:6px;border-bottom:2px solid var(--border)}.prose p{margin:16px 0}.prose strong{font-weight:600;color:inherit;background:linear-gradient(transparent 62%,#f59e0b61 62%);padding:0 1px}.prose th strong,.prose td strong{background:none;font-weight:700}.prose ul,.prose ol{margin:16px 0 16px 24px}.prose li{margin:6px 0}.prose code{background:#1a2338;padding:2px 6px;border-radius:4px;font-size:.88em;color:#fbbf24}.prose pre{background:#0d1220;border:1px solid var(--border);border-radius:8px;padding:44px 16px 16px;overflow-x:auto;margin:20px 0}.prose pre code{background:none;color:var(--text);padding:0}.pre-wrap{position:relative;margin:20px 0}.pre-wrap .prose pre,.pre-wrap pre{margin:0}.copy-btn{position:absolute;top:8px;right:8px;z-index:1;background:#1a2338;color:var(--text-muted);border:1px solid var(--border);border-radius:6px;padding:5px 14px;font-size:.78rem;line-height:1.4;cursor:pointer;font-family:inherit}.copy-btn:hover{color:var(--text);border-color:var(--accent)}.copy-btn.copied{color:#22c55e;border-color:#22c55e}.prose blockquote{border-left:3px solid var(--accent-2);padding-left:16px;color:var(--text-muted);margin:20px 0}.prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse;max-width:100%;margin:20px 0;font-size:.9rem}.prose th,.prose td{border:1px solid var(--border);padding:10px 12px;text-align:left;white-space:normal}.prose th{background:var(--bg-card);white-space:nowrap}.prose img{border-radius:8px}.cta-box{background:linear-gradient(135deg,#1a2338,#131a2b);border:1px solid var(--accent);border-radius:var(--radius);padding:28px 24px;margin:48px 0 24px;text-align:center}.cta-box h2{font-size:1.2rem;margin-bottom:8px;border:none;background:none;padding:0}.cta-box p{color:var(--text-muted);font-size:.9rem;margin-bottom:18px}.cta-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:700;font-size:.92rem;text-decoration:none;transition:opacity .15s}.btn:hover{opacity:.85;text-decoration:none}.btn-line{background:#06c755;color:#fff}.btn-youtube{background:red;color:#fff}.btn-x{background:#fff;color:#000}.btn-rss,.btn-ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}.btn-shop{background:var(--accent);color:#0b0f1a}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}.promo-box{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;background:#131a2b;border:1px solid #26314d;border-radius:var(--radius);padding:24px;margin:40px 0 8px}.promo-box h2{font-size:1.1rem;margin-bottom:6px;border:none;background:none;padding:0}.promo-box p{color:var(--text-muted);font-size:.9rem;margin:0;max-width:60ch}@media(max-width:640px){.promo-box{flex-direction:column;align-items:flex-start}}.buy-links{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 28px}.buy-links .btn-buy{display:inline-flex;align-items:center;gap:6px;padding:9px 20px;border-radius:999px;font-weight:700;font-size:.85rem;text-decoration:none;border:1px solid transparent;transition:opacity .15s}.buy-links .btn-buy:hover{opacity:.8;text-decoration:none}.btn-amazon{background:#232f3e;color:#f90}.btn-rakuten{background:#bf0000;color:#fff}.faq{margin:40px 0}.faq h2{font-size:1.3rem;margin-bottom:16px}.faq details{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:14px 18px;margin-bottom:10px}.faq summary{cursor:pointer;font-weight:700}.faq details p{margin-top:10px;color:var(--text-muted)}.yt-embed{position:relative;padding-bottom:56.25%;height:0;margin:24px 0;border-radius:var(--radius);overflow:hidden}.yt-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.sources{margin:32px 0;font-size:.82rem;color:var(--text-muted)}.sources ol{margin-left:20px}.sources a{word-break:break-all}.talk{display:flex;gap:12px;align-items:flex-start;margin:22px 0}.talk img{width:52px;height:52px;border-radius:50%;flex-shrink:0;border:2px solid var(--border)}.talk .bubble{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:12px 16px;font-size:.95rem;line-height:1.7}.talk .bubble:before{content:"";position:absolute;top:18px;left:-7px;border:7px solid transparent;border-left:none;border-right-color:var(--bg-card)}.talk-q img{border-color:var(--accent-2)}.talk-a{flex-direction:row-reverse}.talk-a img{border-color:var(--accent)}.talk-a .bubble{border-color:#f59e0b73}.talk-a .bubble:before{left:auto;right:-7px;border:7px solid transparent;border-right:none;border-left-color:var(--bg-card)}.point{background:#f59e0b14;border:1px solid rgba(245,158,11,.45);border-radius:10px;padding:14px 18px;margin:24px 0}.point .point-label{display:inline-block;font-weight:800;color:var(--accent);font-size:.85rem;margin-bottom:6px}.point p{margin:4px 0;font-size:.95rem}.point ul{margin:4px 0 4px 20px}.get-box{background:#38bdf80f;border-left:3px solid var(--accent-2);border-radius:0 10px 10px 0;padding:14px 18px;margin:28px 0}.get-box p{margin:0;font-size:.92rem;color:var(--text-muted)}.get-box .get-link{display:inline-block;margin-top:8px;font-size:.9rem;font-weight:700;color:var(--accent-2)}.get-box .get-link:after{content:" ↓"}.fig{margin:30px 0}.fig svg{width:100%;height:auto;display:block}.fig figcaption{color:var(--text-muted);font-size:.85rem;text-align:center;margin-top:10px}.own-media{margin:30px 0}.own-media img{width:100%;height:auto;display:block;border:1px solid var(--border);border-radius:10px}.own-media figcaption{color:var(--text-muted);font-size:.85rem;text-align:center;margin-top:10px}.own-media-x .twitter-tweet{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin:0 auto;max-width:550px}.author-box{display:flex;gap:18px;align-items:flex-start;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin:40px 0 8px}.author-box img{border-radius:50%;flex-shrink:0;border:2px solid var(--accent)}.author-box .author-name{font-size:.9rem;color:var(--text-muted)}.author-box .author-name strong{color:var(--text);font-size:1.05rem}.author-box p{font-size:.85rem;color:var(--text-muted);margin:6px 0 10px;line-height:1.7}.author-links{display:flex;gap:14px;font-size:.85rem}.ad-slot{margin:28px 0;min-height:50px;text-align:center}.prose p>img{display:block;margin:8px auto;border-radius:var(--radius);box-shadow:0 4px 24px #0006}.hero{background:radial-gradient(ellipse 60% 50% at 20% 0%,rgba(245,158,11,.08),transparent),radial-gradient(ellipse 60% 50% at 80% 100%,rgba(56,189,248,.06),transparent)}.site-footer{border-top:1px solid var(--border);margin-top:60px;padding:36px 0;color:var(--text-muted);font-size:.85rem}.site-footer .inner{max-width:var(--max-w);margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.site-footer nav{display:flex;gap:16px;flex-wrap:wrap}.section-title{font-size:1.4rem;margin:40px 0 20px;padding-left:12px;border-left:4px solid var(--accent)}.pagination{display:flex;justify-content:center;gap:16px;margin:40px 0}.breadcrumbs{margin-bottom:18px;font-size:.8rem;color:var(--text-muted)}.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:4px}.breadcrumbs li{display:inline-flex;align-items:center;gap:4px}.breadcrumbs a{color:var(--text-muted)}.breadcrumbs a:hover{color:var(--accent-2)}.breadcrumbs [aria-current=page]{color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}.breadcrumbs .sep{color:var(--border)}.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 8px}.tag-chip{display:inline-block;background:var(--bg-card);border:1px solid var(--border);border-radius:999px;padding:5px 14px;font-size:.82rem;color:var(--text-muted)}.tag-chip:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}.notfound{text-align:center;padding:72px 20px 80px}.notfound-code{font-size:clamp(4rem,16vw,8rem);font-weight:800;line-height:1;color:var(--accent)}.notfound h1{font-size:1.5rem;margin:8px 0 12px}.notfound-lead{color:var(--text-muted);max-width:480px;margin:0 auto 28px}.notfound-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}.notfound-cats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.search-page{padding-top:32px;padding-bottom:80px}.search-lead{color:var(--text-muted);margin-bottom:24px}.pagefind-ui{--pagefind-ui-primary: var(--accent);--pagefind-ui-text: var(--text);--pagefind-ui-background: var(--bg-card);--pagefind-ui-border: var(--border);--pagefind-ui-tag: var(--bg);--pagefind-ui-border-width: 1px;--pagefind-ui-border-radius: var(--radius);--pagefind-ui-font: inherit}.pagefind-ui .pagefind-ui__result-title a{color:var(--text)}.pagefind-ui .pagefind-ui__result-title a:hover{color:var(--accent-2)}.pagefind-ui .pagefind-ui__result-excerpt{color:var(--text-muted)}.blog-card{display:flex;gap:0;align-items:stretch;margin:28px 0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;color:var(--text);transition:border-color .15s ease,transform .15s ease}.blog-card:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}.blog-card-thumb{width:180px;min-width:180px;object-fit:cover;aspect-ratio:16/10;align-self:center}.blog-card-body{display:flex;flex-direction:column;gap:6px;padding:14px 18px;min-width:0}.blog-card-label{font-size:.72rem;font-weight:700;color:var(--accent);letter-spacing:.06em}.blog-card-title{font-weight:700;line-height:1.45}.blog-card-desc{font-size:.82rem;color:var(--text-muted);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}@media(max-width:560px){.blog-card-thumb{width:110px;min-width:110px}.blog-card-desc{display:none}}