.immersive-root{--im-font-editorial:var(--font-editorial-serif), "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;--im-bg:#fff;--im-bg-soft:#f5f9fc;--im-bg-tint:#0891b20a;--im-text:#1e293b;--im-text-strong:#0f172a;--im-text-muted:#475569;--im-text-faint:#64748b;--im-accent:#0e7490;--im-accent-strong:#155e75;--im-accent-soft:#67e8f9;--im-accent-bg:#0891b214;--im-accent-border:#0891b238;--im-border:#e2e8f0;--im-cta:#ea580c;--im-cta-hover:#c2410c;background:var(--im-bg);color:var(--im-text);font-family:var(--font-sans);isolation:isolate;width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);line-height:1.75;position:relative;overflow-x:clip}.immersive-root:before{content:"";pointer-events:none;z-index:-1;background:radial-gradient(at 18% 12%, var(--im-accent-bg) 0px, transparent 45%), radial-gradient(at 88% 38%, var(--im-accent-bg) 0px, transparent 40%), radial-gradient(at 42% 68%, var(--im-accent-bg) 0px, transparent 50%), radial-gradient(at 78% 92%, var(--im-accent-bg) 0px, transparent 45%), radial-gradient(at 8% 88%, var(--im-accent-bg) 0px, transparent 40%);opacity:1;position:absolute;inset:0}.immersive-root:after{content:"";pointer-events:none;z-index:-1;mix-blend-mode:multiply;background-image:linear-gradient(#0f172a03 1px,#0000 1px),linear-gradient(90deg,#0f172a03 1px,#0000 1px);background-size:24px 24px;position:absolute;inset:0}.immersive-root.theme-pillar{--im-bg-soft:#f4f4ff;--im-bg-tint:#4338ca0a;--im-accent:#4338ca;--im-accent-strong:#3730a3;--im-accent-soft:#a5b4fc;--im-accent-bg:#4338ca12;--im-accent-border:#4338ca38}.immersive-root.theme-beauty{--im-bg-soft:#fef1f7;--im-bg-tint:#be185d0a;--im-accent:#be185d;--im-accent-strong:#9d174d;--im-accent-soft:#f9a8d4;--im-accent-bg:#be185d12;--im-accent-border:#be185d38}.immersive-root.theme-silk{--im-bg-soft:#fef6e7;--im-bg-tint:#b453090d;--im-accent:#b45309;--im-accent-strong:#92400e;--im-accent-soft:#fcd34d;--im-accent-bg:#b4530912;--im-accent-border:#b4530938}.immersive-root em{color:var(--im-accent);background:linear-gradient(180deg, transparent 62%, var(--im-accent-bg) 62%);padding:0 .1em;font-style:normal}.immersive-root a{color:var(--im-accent);text-decoration:underline;-webkit-text-decoration-color:var(--im-accent-border);text-decoration-color:var(--im-accent-border);text-underline-offset:3px}.immersive-root a:hover{color:var(--im-accent-strong)}.im-hero{width:100%;height:100vh;min-height:620px;position:relative;overflow:hidden}.im-hero-canvas{z-index:0;position:absolute;inset:0}.im-hero-overlay{z-index:1;background:linear-gradient(100deg,#ffffffd9 0%,#ffffff8c 45%,#fff0 75%);flex-direction:column;justify-content:center;align-items:flex-start;max-width:1100px;height:100%;margin:0 auto;padding:0 6vw;display:flex;position:relative}.im-hero-eyebrow{letter-spacing:.3em;color:var(--im-accent-strong);margin-bottom:1.2rem;font-size:.8rem;font-weight:700}.im-hero-title{font-family:var(--im-font-editorial);letter-spacing:-.025em;color:var(--im-text-strong);flex-direction:column;margin:0 0 1.5rem;font-size:clamp(2.4rem,7vw,5.6rem);font-weight:900;line-height:1.1;display:flex}.im-hero-title span{-webkit-box-decoration-break:clone;box-decoration-break:clone;background:#fbfcfdcc;width:fit-content;margin-left:-.16em;padding:.02em .16em;display:block}.im-hero-title 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6vw}.im-chapter-tag{letter-spacing:.3em;color:var(--im-accent);margin-bottom:1.5rem;font-size:.75rem;font-weight:700}.im-chapter-title{font-family:var(--im-font-editorial);letter-spacing:-.02em;color:var(--im-text-strong);margin:0 0 2.2rem;font-size:clamp(1.9rem,4.4vw,3.2rem);font-weight:900;line-height:1.2}.im-chapter-body{color:var(--im-text-muted);margin:0 0 1.4rem;font-size:clamp(1rem,1.4vw,1.125rem);line-height:1.85}.im-chapter-body strong{color:var(--im-text-strong);font-weight:700}.im-chapter-warn{color:var(--im-text);background:#fbbf241f;border-left:3px solid #d97706;border-radius:0 8px 8px 0;margin-top:2rem;padding:1.25rem 1.5rem}.im-nad-counter-wrap{border:1px solid var(--im-accent-border);background:var(--im-accent-bg);text-align:center;border-radius:16px;margin:3.5rem 0;padding:2.5rem 2rem}.im-nad-counter-label{letter-spacing:.3em;color:var(--im-accent-strong);margin-bottom:.8rem;font-size:.7rem;font-weight:700}.im-nad-counter{letter-spacing:-.04em;color:var(--im-text-strong);font-variant-numeric:tabular-nums;font-size:clamp(4rem,10vw,7rem);font-weight:800;line-height:1;font-family:var(--font-mono);margin:.8rem 0 1rem}.im-nad-counter-foot{color:var(--im-text-faint);font-size:.85rem}.im-bullet-grid{grid-template-columns:repeat(2,1fr);gap:1rem;margin:2.5rem 0;padding:0;list-style:none;display:grid}.im-bullet-grid li{background:var(--im-bg);border:1px solid var(--im-border);box-shadow:var(--shadow-sm);border-radius:12px;flex-direction:column;gap:.4rem;padding:1.2rem 1.4rem;display:flex}.im-bullet-grid li span{color:var(--im-text-faint);letter-spacing:.05em;font-size:.85rem}.im-bullet-grid li strong{color:var(--im-accent);font-size:1.4rem;font-weight:800}.im-compare{flex-direction:column;gap:1.5rem;margin:2.5rem 0;display:flex}.im-compare-row{grid-template-columns:220px 1fr;align-items:center;gap:1.5rem;display:grid}.im-compare-label strong{color:var(--im-text-strong);margin-bottom:.2rem;font-size:1rem;display:block}.im-compare-label span{color:var(--im-text-faint);font-size:.85rem}.im-bar-track{border:1px solid var(--im-border);background:#f1f5f9;border-radius:8px;height:44px;position:relative;overflow:hidden}.im-bar-fill{color:#fff;white-space:nowrap;text-shadow:0 1px 2px #0000002e;border-radius:8px;justify-content:flex-end;align-items:center;height:100%;padding-right:1rem;font-size:.95rem;font-weight:700;display:flex;position:relative}.im-bar-fill--mouse{background:linear-gradient(90deg,#ea580c 0%,#c2410c 100%)}.im-bar-fill--human{background:linear-gradient(90deg,#0891b2 0%,#155e75 100%)}.im-horizontal{background:var(--im-bg-soft);flex-direction:column;height:100vh;min-height:600px;padding:0;display:flex;position:relative;overflow:hidden}.im-horizontal-headline{flex-shrink:0;padding:4rem 6vw 1.5rem}.im-horizontal-headline .im-chapter-title{margin:0}.im-horizontal-track{will-change:transform;flex:1;align-items:stretch;gap:1.5rem;padding:1rem 6vw 4rem;display:flex}.im-card{background:var(--im-bg);border:1px solid var(--im-accent-border);box-shadow:var(--shadow-md);border-radius:16px;flex-direction:column;flex:0 0 min(420px,80vw);padding:2rem 1.8rem;display:flex}.im-card--neg{background:var(--im-bg);border-color:#e11d4840}.im-card-num{font-family:var(--font-mono);color:var(--im-accent);margin-bottom:1rem;font-size:2.5rem;font-weight:800;line-height:1}.im-card--neg .im-card-num{color:#be123c}.im-card h3{color:var(--im-text-strong);margin:0 0 .8rem;font-size:1.25rem;line-height:1.4}.im-card p{color:var(--im-text-muted);margin:0;font-size:.95rem;line-height:1.75}.im-checklist{counter-reset:im-check;flex-direction:column;gap:1.2rem;margin:2.5rem 0;padding:0;list-style:none;display:flex}.im-checklist li{counter-increment:im-check;background:var(--im-accent-bg);border-left:3px solid var(--im-accent);color:var(--im-text-muted);border-radius:0 12px 12px 0;padding:1.4rem 1.6rem 1.4rem 4.5rem;line-height:1.75;position:relative}.im-checklist li:before{content:counter(im-check, decimal-leading-zero);font-family:var(--font-mono);color:var(--im-accent);font-size:1.5rem;font-weight:800;line-height:1;position:absolute;top:1.2rem;left:1.4rem}.im-checklist li strong{color:var(--im-text-strong);margin-bottom:.4rem;font-size:1.05rem;display:block}.im-cta-block{background:linear-gradient(135deg, #ea580c12 0%, var(--im-accent-bg) 100%);border:1px solid #ea580c38;border-radius:16px;margin-top:3rem;padding:2.5rem 2rem}.im-cta-eyebrow{letter-spacing:.3em;color:#c2410c;margin-bottom:.8rem;font-size:.75rem;font-weight:700}.im-cta-title{color:var(--im-text-strong);margin:0 0 1.5rem;font-size:1.2rem;font-weight:700;line-height:1.5}.im-pick{border-top:1px solid var(--im-border);margin:2.5rem 0;padding-top:2.5rem}.im-pick:first-of-type{border-top:none}.im-pick-label{background:var(--im-accent);color:#fff;letter-spacing:.2em;border-radius:4px;margin-bottom:1rem;padding:.25rem .7rem;font-size:.7rem;font-weight:800;display:inline-block}.im-pick h3{color:var(--im-text-strong);margin:0 0 1rem;font-size:1.4rem;line-height:1.4}.im-pick p{color:var(--im-text-muted);margin:0 0 1.5rem;line-height:1.8}.immersive-root .card.product-card{box-shadow:var(--shadow-md)}[data-theme=dark] .immersive-root{--bg:#fbfcfd;--bg-elev:#fff;--bg-card:#fff;--bg-paper:#f5f7fa;--text:#0f172a;--text-muted:#334155;--text-faint:#64748b;--border:#e2e8f0;--border-strong:#cbd5e1;--accent:#0c4a6e;--accent-hover:#082f49;--accent-light:#e0f2fe;--lab-cyan:#0891b2;--lab-cyan-light:#ecfeff}[data-theme=dark] .immersive-root .product-card{background:var(--bg-card);border-color:var(--border)}[data-theme=dark] .immersive-root .affiliate-card{box-shadow:var(--shadow-md)}.im-final{background:linear-gradient(180deg, var(--im-bg-soft) 0%, var(--im-bg) 100%);padding:clamp(5rem,12vh,9rem) 0}.im-takeaway{flex-direction:column;gap:.8rem;margin:2.5rem 0;padding:0;list-style:none;display:flex}.im-takeaway li{background:var(--im-accent-bg);color:var(--im-text-muted);border-radius:8px;padding:1rem 1.2rem 1rem 2.5rem;position:relative}.im-takeaway li:before{content:"✓";color:var(--im-accent);font-weight:800;position:absolute;top:1rem;left:1rem}.im-takeaway li strong{color:var(--im-text-strong)}.im-foot-links{background:var(--im-bg);border:1px solid var(--im-border);box-shadow:var(--shadow-sm);border-radius:12px;flex-direction:column;gap:.9rem;margin-top:3rem;padding:1.8rem;display:flex}.im-foot-links a{color:var(--im-accent);font-size:.95rem}.im-foot-normal{border-top:1px dashed var(--im-border);margin-top:.5rem;padding-top:.9rem;color:var(--im-text-muted)!important}.im-generic-body{color:var(--im-text)}.im-auto-lead{background:var(--im-bg);padding:clamp(2.5rem,6vh,4.5rem) 0}.im-auto-lead p{color:var(--im-text);font-size:1.1875rem;line-height:1.85}.im-auto-lead p:last-child{margin-bottom:0}.im-auto-dropcap:first-letter{float:left;color:var(--im-accent);font-size:4em;font-weight:800;line-height:.9;font-family:var(--font-serif);margin:.1em .12em 0 -.05em}.im-auto-chapter{background:var(--im-bg);padding:clamp(4.5rem,11vh,8rem) 0;position:relative}.im-auto-chapter--alt{background:var(--im-bg-soft);background-image:radial-gradient(circle at 80% 0%, var(--im-accent-bg) 0%, transparent 55%)}.im-auto-chapter>.im-chapter-inner{max-width:760px;margin:0 auto;padding:0 6vw}.im-auto-chapter>.im-chapter-inner>h2{font-family:var(--im-font-editorial);letter-spacing:-.02em;color:var(--im-text-strong);border:none;margin:0 0 2rem;padding:0;font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:900;line-height:1.2}.im-auto-chapter>.im-chapter-inner>h2+p{color:var(--im-text);font-size:1.125rem;line-height:1.85}.im-auto-chapter h3{letter-spacing:-.01em;color:var(--im-text-strong);margin:2.6rem 0 .8rem;font-size:1.3rem;font-weight:700}.im-auto-chapter h4{color:var(--im-text-strong);margin:1.8rem 0 .6rem;font-size:1.05rem;font-weight:700}.im-auto-chapter p{color:var(--im-text);margin-bottom:1.2rem;font-size:1.0625rem;line-height:1.85}.im-auto-chapter strong{color:var(--im-text-strong);font-weight:700}.im-auto-chapter ul,.im-auto-chapter ol{margin:1.2rem 0 1.6rem;padding-left:1.4rem}.im-auto-chapter li{color:var(--im-text);margin-bottom:.5rem;font-size:1.0625rem;line-height:1.75}.im-auto-chapter blockquote{border-left:3px solid var(--im-accent);background:var(--im-accent-bg);color:var(--im-text);border-radius:0 8px 8px 0;margin:1.8rem 0;padding:1.1rem 1.5rem;font-size:1rem}.im-auto-chapter a{color:var(--im-accent);text-decoration:underline;-webkit-text-decoration-color:var(--im-accent-border);text-decoration-color:var(--im-accent-border);text-underline-offset:3px}.im-auto-chapter a:hover{color:var(--im-accent-strong)}.im-auto-table-scroll{border:1px solid var(--im-border);-webkit-overflow-scrolling:touch;scrollbar-width:thin;box-shadow:var(--shadow-sm);background:linear-gradient(to right, var(--im-bg) 0%, var(--im-bg) 30%, transparent 100%) left center / 40px 100% no-repeat, linear-gradient(to left, var(--im-bg) 0%, var(--im-bg) 30%, transparent 100%) right center / 40px 100% no-repeat, radial-gradient(farthest-side at 0 50%, #0000001a, transparent) left center / 14px 100% no-repeat, radial-gradient(farthest-side at 100% 50%, #0000001a, transparent) right center / 14px 100% no-repeat;background-attachment:local,local,scroll,scroll;border-radius:12px;margin:2rem 0;overflow-x:auto}.im-auto-chapter table{border-collapse:separate;border-spacing:0;background:var(--im-bg);width:100%;min-width:max-content;font-size:.9375rem}.im-auto-chapter th{background:var(--im-accent-bg);border-bottom:2px solid var(--im-accent-border);text-align:left;color:var(--im-text-strong);white-space:nowrap;padding:.9rem 1.1rem;font-size:.9375rem;font-weight:700;line-height:1.5}.im-auto-chapter td{border-bottom:1px solid var(--im-border);color:var(--im-text);vertical-align:top;padding:.85rem 1.1rem;font-size:.9375rem;line-height:1.6}.im-auto-chapter tbody tr:last-child td{border-bottom:none}.im-auto-chapter tbody tr:nth-child(2n){background:var(--im-bg-soft)}@media (max-width:640px){.im-auto-chapter th,.im-auto-chapter td{padding:.6rem .8rem;line-height:1.55;font-size:.875rem!important}.im-auto-chapter td{white-space:normal}}.im-auto-pick-label{margin-top:2rem;margin-bottom:.8rem}.im-generic .product-card{box-shadow:var(--shadow-md)}.im-related{background:var(--im-bg-soft);background-image:radial-gradient(circle at 80% 100%, var(--im-accent-bg) 0%, transparent 55%);padding:clamp(4rem,10vh,7rem) 0}.im-related-inner{max-width:1140px;margin:0 auto;padding:0 6vw}.im-related-eyebrow{letter-spacing:.3em;color:var(--im-accent);margin-bottom:.8rem;font-size:.75rem;font-weight:700}.im-related-title{font-family:var(--im-font-editorial);color:var(--im-text-strong);letter-spacing:-.02em;margin:0 0 2rem;font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:900;line-height:1.2}.im-related-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem;display:grid}.im-related-card{background:var(--im-bg);border:1px solid var(--im-border);box-shadow:var(--shadow-sm);border-radius:14px;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;overflow:hidden;color:var(--im-text)!important;text-decoration:none!important}.im-related-card:hover{border-color:var(--im-accent-border);transform:translateY(-3px);box-shadow:0 12px 28px #0f172a1a;color:var(--im-text)!important}.im-related-thumb{aspect-ratio:16/9;color:#fff;justify-content:center;align-items:center;display:flex}.im-related-emoji{filter:drop-shadow(0 2px 4px #00000040);font-size:2.4rem}.im-related-body{flex-direction:column;flex:1;gap:.4rem;padding:1rem 1.1rem 1.2rem;display:flex}.im-related-cat{letter-spacing:.15em;color:var(--im-accent);text-transform:uppercase;font-size:.7rem;font-weight:700}.im-related-h3{color:var(--im-text-strong);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:1rem;font-weight:700;line-height:1.45;display:-webkit-box;overflow:hidden}.im-related-cta{color:var(--im-accent);margin-top:auto;font-size:.85rem;font-weight:700}.im-reading-progress{z-index:100;pointer-events:none;background:0 0;width:100%;height:3px;position:fixed;top:0;left:0}.im-reading-progress-bar{background:linear-gradient(90deg, var(--im-accent) 0%, var(--im-accent-soft) 100%);transform-origin:0;will-change:transform;width:100%;height:100%;box-shadow:0 0 12px var(--im-accent-bg);transform:scaleX(0)}.im-chapter-nav{z-index:60;pointer-events:none;position:fixed;top:50%;right:clamp(1rem,3vw,2rem);transform:translateY(-50%)}.im-chapter-nav ul{pointer-events:auto;flex-direction:column;gap:.7rem;margin:0;padding:0;list-style:none;display:flex}.im-chapter-nav-dot{color:var(--im-text-faint);letter-spacing:.1em;font-size:.7rem;font-weight:700;font-family:var(--font-mono);cursor:pointer;align-items:center;gap:.6rem;padding:.2rem 0;transition:color .2s;display:flex;position:relative;text-decoration:none!important}.im-chapter-nav-dot:before{content:"";background:var(--im-text-faint);opacity:.35;border-radius:2px;width:22px;height:2px;transition:background .25s,opacity .25s,width .25s;display:block}.im-chapter-nav-num{opacity:0;transition:opacity .2s}.im-chapter-nav-tip{opacity:0;font-family:var(--font-sans);letter-spacing:0;color:var(--im-text-muted);background:var(--im-bg);border:1px solid var(--im-border);white-space:nowrap;box-shadow:var(--shadow-sm);pointer-events:none;border-radius:6px;padding:.3rem .6rem;font-size:.75rem;font-weight:500;transition:opacity .2s,transform .2s;position:absolute;top:50%;right:36px;transform:translate(8px,-50%)}.im-chapter-nav-dot:hover{color:var(--im-accent)}.im-chapter-nav-dot:hover:before{background:var(--im-accent);opacity:1;width:32px}.im-chapter-nav-dot:hover .im-chapter-nav-tip{opacity:1;transform:translateY(-50%)}.im-chapter-nav-dot.is-active{color:var(--im-accent)}.im-chapter-nav-dot.is-active:before{background:var(--im-accent);opacity:1;width:32px}.im-chapter-nav-dot.is-active .im-chapter-nav-num{opacity:1}@media (max-width:900px){.im-chapter-nav{display:none}}@media (max-width:720px){.im-hero{height:72svh;min-height:520px}.im-hero-overlay{justify-content:flex-end;padding:0 5vw 14vh}.im-hero-title{max-width:100%;font-size:clamp(2rem,8.8vw,3.35rem);line-height:1.18;display:block}.im-hero-title span{white-space:normal;overflow-wrap:anywhere;-webkit-box-decoration-break:clone;box-decoration-break:clone;display:inline}.im-hero-sub{font-size:1.02rem;line-height:1.7}.im-bullet-grid{grid-template-columns:1fr}.im-compare-row{grid-template-columns:1fr;gap:.5rem}.im-bar-track{height:36px}.im-horizontal{height:auto;min-height:0}.im-horizontal-headline{padding:4rem 5vw 1rem}.im-horizontal-track{flex-direction:column;gap:1rem;padding:1rem 5vw 4rem;transform:none!important}.im-card{flex:auto;width:100%}.im-checklist li{padding-left:3.8rem}}@media (prefers-reduced-motion:reduce){.im-hero-scroll-line{animation:none}}