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var(--border);background:var(--surface-card);font-family:var(--font-jp);flex-direction:column;display:flex}.fh-cta--primary{background:var(--primary-soft);border-color:var(--teal-100)}.fh-cta--accent{background:var(--accent-soft);border-color:var(--amber-100)}.fh-cta__eyebrow{font-family:var(--font-sans);font-size:var(--text-xs);font-weight:var(--weight-bold);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--primary);align-items:center;gap:6px;display:inline-flex}.fh-cta--accent .fh-cta__eyebrow{color:var(--amber-700)}.fh-cta__title{font-size:var(--text-base);font-weight:var(--weight-bold);color:var(--text-primary);line-height:var(--leading-snug)}.fh-cta__body{font-size:var(--text-sm);line-height:var(--leading-relaxed);color:var(--text-body)}.fh-cta__actions{margin-top:var(--space-1);gap:var(--space-2);flex-direction:column;display:flex}.fh-product{gap:var(--space-5);padding:var(--space-5);border:1px solid var(--border);border-radius:var(--radius-xl);background:linear-gradient(180deg,var(--surface-card),var(--surface-muted));box-shadow:var(--shadow-sm);font-family:var(--font-jp);align-items:center;display:flex}.fh-product__cover{border-radius:var(--radius-lg);background:var(--surface-subtle);border:1px solid var(--border);flex:none;width:128px;height:128px;position:relative;overflow:hidden}.fh-product__cover img{object-fit:cover;width:100%;height:100%;display:block}.fh-product__body{gap:var(--space-2);flex-direction:column;flex:1;min-width:0;display:flex}.fh-product__eyebrow{font-family:var(--font-sans);font-size:var(--text-xs);font-weight:var(--weight-bold);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--primary)}.fh-product__title{font-size:var(--text-lg);font-weight:var(--weight-bold);color:var(--text-primary);line-height:var(--leading-snug)}.fh-product__desc{font-size:var(--text-sm);line-height:var(--leading-relaxed);color:var(--text-body)}.fh-product__footer{align-items:center;gap:var(--space-4);margin-top:var(--space-2);flex-wrap:wrap;display:flex}.fh-product__price{font-family:var(--font-sans);font-size:var(--text-xl);font-weight:var(--weight-extra);color:var(--text-primary)}.fh-product__price small{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-muted);margin-left:4px}.fh-field{gap:var(--space-2);font-family:var(--font-sans);flex-direction:column;display:flex}.fh-field__label{font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--text-primary)}.fh-field__hint{font-size:var(--text-xs);color:var(--text-muted)}.fh-field__error{font-size:var(--text-xs);color:var(--danger);font-weight:var(--weight-medium)}.fh-input-wrap{align-items:center;display:flex;position:relative}.fh-input{width:100%;height:40px;padding:0 var(--space-3);font-family:var(--font-sans);font-size:var(--text-sm);color:var(--text-primary);background:var(--surface-card);border:1px solid var(--border-strong);border-radius:var(--radius-md);transition:border-color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-standard)}.fh-input::placeholder{color:var(--text-subtle)}.fh-input:hover{border-color:var(--slate-400)}.fh-input:focus{border-color:var(--primary);box-shadow:var(--shadow-focus);outline:none}@media (max-width:768px){.fh-article-layout,.fh-grid-feed,.fh-grid-three{grid-template-columns:1fr!important}.fh-article-layout{gap:24px!important;padding-top:20px!important}.fh-article-leftnav{display:none!important}.fh-article-rail{position:static!important}.fh-product{flex-direction:column;align-items:flex-start}.fh-footer-grid,.fh-tool-sim-grid{grid-template-columns:1fr!important}.fh-footer-grid{gap:24px!important}.fh-footer-bottom{flex-direction:column!important;align-items:flex-start!important;gap:4px!important}.fh-hero-h1{font-size:var(--text-3xl)!important;line-height:1.2!important}.fh-cta-header-button{display:none!important}.prose-content{font-size:var(--text-base)}.prose-content h2{font-size:var(--text-xl)}.fh-article-title{font-size:var(--text-3xl)!important}}:root{--slate-50:#f8fafc;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-300:#cbd5e1;--slate-400:#94a3b8;--slate-500:#64748b;--slate-600:#475569;--slate-700:#334155;--slate-800:#1e293b;--slate-900:#0f172a;--slate-950:#020617;--white:#fff;--teal-50:#f0fdfa;--teal-100:#ccfbf1;--teal-200:#99f6e4;--teal-300:#5eead4;--teal-400:#2dd4bf;--teal-500:#14b8a6;--teal-600:#0d9488;--teal-700:#0f766e;--teal-800:#115e59;--teal-900:#134e4a;--amber-50:#fffbeb;--amber-100:#fef3c7;--amber-400:#fbbf24;--amber-500:#f59e0b;--amber-600:#d97706;--amber-700:#b45309;--green-50:#f0fdf4;--green-500:#22c55e;--green-600:#16a34a;--green-700:#15803d;--red-50:#fef2f2;--red-500:#ef4444;--red-600:#dc2626;--red-700:#b91c1c;--blue-50:#eff6ff;--blue-500:#3b82f6;--blue-600:#2563eb;--blue-700:#1d4ed8;--background:var(--white);--surface-card:var(--white);--surface-muted:var(--slate-50);--surface-subtle:var(--slate-100);--surface-inverse:var(--slate-900);--surface-primary-soft:var(--teal-50);--text-primary:var(--slate-900);--text-body:var(--slate-700);--text-muted:var(--slate-500);--text-subtle:var(--slate-400);--text-on-primary:var(--white);--text-on-inverse:var(--slate-100);--text-link:var(--teal-700);--text-link-hover:var(--teal-800);--border:var(--slate-200);--border-strong:var(--slate-300);--border-inverse:var(--slate-700);--primary:var(--teal-600);--primary-hover:var(--teal-700);--primary-active:var(--teal-800);--primary-soft:var(--teal-50);--on-primary:var(--white);--accent:var(--amber-500);--accent-hover:var(--amber-600);--accent-soft:var(--amber-50);--success:var(--green-600);--success-soft:var(--green-50);--danger:var(--red-600);--danger-soft:var(--red-50);--warning:var(--amber-600);--warning-soft:var(--amber-50);--info:var(--blue-600);--info-soft:var(--blue-50);--ring:var(--teal-600)}@supports (color:color-mix(in lab,red,red)){:root{--ring:color-mix(in srgb,var(--teal-600) 45%,transparent)}}:root{--space-0:0;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--shadow-xs:0 1px 2px #0f172a0d;--shadow-sm:0 1px 3px #0f172a14,0 1px 2px #0f172a0a;--shadow-md:0 4px 12px #0f172a14,0 2px 4px #0f172a0a;--shadow-lg:0 12px 28px #0f172a1f,0 4px 8px #0f172a0d;--shadow-xl:0 24px 48px #0f172a29;--shadow-focus:0 0 0 3px var(--ring);--content-width:650px;--container-max:1200px;--sidebar-width:220px;--toc-width:260px;--header-height:64px;--ease-standard:cubic-bezier(.2,0,0,1);--ease-out:cubic-bezier(.16,1,.3,1);--duration-fast:.12s;--duration-base:.18s;--duration-slow:.28s;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-md:1.0625rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--text-6xl:3.75rem;--leading-tight:1.15;--leading-snug:1.3;--leading-normal:1.5;--leading-relaxed:1.7;--leading-article:1.85;--weight-regular:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--weight-extra:800;--tracking-tight:-.02em;--tracking-snug:-.01em;--tracking-normal:0;--tracking-wide:.04em;--token-bg:var(--background);--token-fg:var(--text-primary);--token-muted:var(--surface-muted);--token-muted-fg:var(--text-muted);--token-border:var(--border);--token-accent:var(--primary);--token-accent-fg:var(--on-primary)}html{color:var(--text-primary);background:var(--background);font-family:var(--font-body)}@media (prefers-reduced-motion:reduce){*{transition-duration:.001ms!important;animation-duration:.001ms!important}}:focus-visible{box-shadow:var(--shadow-focus);border-radius:var(--radius-sm);outline:none}.prose-content{font-family:var(--font-jp);font-size:var(--text-md);line-height:var(--leading-article);color:var(--text-body)}.prose-content h2{font-size:var(--text-2xl);font-weight:var(--weight-bold);margin-top:2.5rem;margin-bottom:.75rem}.prose-content h2,.prose-content h3{font-family:var(--font-display);line-height:var(--leading-snug);letter-spacing:var(--tracking-snug);color:var(--text-primary);scroll-margin-top:88px}.prose-content h3{font-size:var(--text-xl);font-weight:var(--weight-semibold);margin-top:2rem;margin-bottom:.5rem}.prose-content h4{font-family:var(--font-display);font-size:var(--text-md);font-weight:var(--weight-semibold);color:var(--text-primary);margin-top:1.5rem;margin-bottom:.4rem}.prose-content p{margin:0 0 1rem}.prose-content ol,.prose-content ul{margin:0 0 1rem;padding-left:1.5rem}.prose-content ul{list-style:outside}.prose-content ol{list-style:decimal}.prose-content li{margin:.25rem 0}.prose-content strong{font-weight:var(--weight-semibold);color:var(--text-primary)}.prose-content a{color:var(--text-link);text-underline-offset:2px;text-decoration:underline;text-decoration-thickness:1px}.prose-content a:hover{color:var(--text-link-hover);text-decoration-thickness:2px}.prose-content table{border-collapse:collapse;width:100%;font-size:var(--text-sm);margin:1.25rem 0 1.5rem;display:block;overflow-x:auto}.prose-content thead{background:var(--surface-muted)}.prose-content th{text-align:left;font-weight:var(--weight-semibold);color:var(--text-primary);border-bottom:2px solid var(--border);border-right:1px solid var(--border);vertical-align:top;white-space:nowrap;padding:.625rem .875rem}.prose-content th:last-child{border-right:none}.prose-content td{border-bottom:1px solid var(--border);border-right:1px solid var(--border);vertical-align:top;padding:.625rem .875rem}.prose-content td:last-child{border-right:none}.prose-content tr:hover td{background:var(--surface-muted)}@supports (color:color-mix(in lab,red,red)){.prose-content tr:hover td{background:color-mix(in srgb,var(--surface-muted) 60%,transparent)}}.prose-content blockquote{border-left:3px solid var(--primary);background:var(--primary-soft);color:var(--text-primary);border-radius:0 var(--radius-md) var(--radius-md) 0;margin:1.25rem 0;padding:.75rem 1rem}.prose-content blockquote p:last-child{margin-bottom:0}.prose-content code{font-family:var(--font-mono);background:var(--surface-muted);border-radius:var(--radius-sm);padding:.125em .375em;font-size:.875em}.prose-content pre{background:var(--surface-muted);border:1px solid var(--border);border-radius:var(--radius-md);font-size:var(--text-sm);line-height:var(--leading-normal);margin:1rem 0 1.25rem;padding:1rem;overflow-x:auto}.prose-content pre code{font-size:inherit;background:0 0;border-radius:0;padding:0}.prose-content hr{border:none;border-top:1px solid var(--border);margin:2rem 0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}