:root{--font-sans:"Geist", ui-sans-serif, system-ui, "Hiragino Sans", "Noto Sans JP", sans-serif;--font-mono:"Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;--brand-50:#fff7ed;--brand-100:#ffedd5;--brand-500:#f97316;--brand-600:#ea580c;--background:oklch(100% 0 0);--foreground:oklch(14.5% 0 0);--card:oklch(100% 0 0);--primary:oklch(20.5% 0 0);--primary-foreground:oklch(98.5% 0 0);--muted:oklch(97% 0 0);--muted-foreground:oklch(55.6% 0 0);--border:oklch(92.2% 0 0);--ring:oklch(70.8% 0 0);--radius:.625rem;--radius-sm:calc(var(--radius) - 4px);--radius-md:calc(var(--radius) - 2px);--radius-lg:var(--radius);--radius-xl:calc(var(--radius) + 4px);--radius-full:9999px;--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;--shadow-xs:0 1px 2px 0 #0000000d;--shadow-sm:0 1px 3px 0 #0000001a, 0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--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}*{box-sizing:border-box}body{font-family:var(--font-sans);font-feature-settings:"cv11", "ss01";background:var(--background);color:var(--foreground);font-size:var(--text-base);word-wrap:break-word;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;margin:0;line-height:1.85}.container,.container-narrow{width:100%;padding-inline:var(--space-5);margin:0 auto}@media (width>=640px){.container,.container-narrow{padding-inline:var(--space-8)}}@media (width>=768px){.container{max-width:calc(72rem + var(--space-8) * 2)}.container-narrow{max-width:calc(46rem + var(--space-8) * 2)}}h1,h2,h3,h4{letter-spacing:-.02em;margin:0 0 var(--space-4);text-wrap:balance}h1{font-size:var(--text-3xl);font-weight:700;line-height:1.3}h2{font-size:var(--text-xl);letter-spacing:-.015em;font-weight:700}h3{font-size:var(--text-lg);letter-spacing:-.01em;font-weight:600}@media (width>=768px){h1{font-size:var(--text-4xl);line-height:1.25}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}}p{margin:0 0 var(--space-4)}a{color:inherit;text-decoration:none}:focus-visible{box-shadow:0 0 0 3px color-mix(in oklch, var(--ring) 50%, transparent);border-radius:var(--radius-md);outline:none}.eyebrow{font-size:var(--text-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-foreground);margin-bottom:var(--space-4);font-weight:600}.lead{font-size:var(--text-lg);color:var(--muted-foreground)}.mono{font-family:var(--font-mono);font-feature-settings:"tnum"}.btn{align-items:center;gap:var(--space-2);font-size:var(--text-sm);border-radius:var(--radius-md);justify-content:center;min-height:44px;padding:.7rem 1.25rem;font-weight:500;transition:background-color .15s,box-shadow .15s,transform .15s,color .15s;display:inline-flex}.btn-primary{background:var(--primary);color:var(--primary-foreground)}.btn-primary:hover{background:color-mix(in oklch, var(--primary) 90%, transparent);color:var(--primary-foreground)}.btn-outline{border:1px solid var(--border)}.btn-outline:hover{background:var(--muted)}.btn-lg{font-size:var(--text-base);padding:.85rem 1.75rem}@media (prefers-reduced-motion:no-preference){.btn-lg:hover{transform:scale(1.05)}}.site-header{z-index:10;background:color-mix(in oklch, var(--background) 92%, transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0}.site-header nav{padding:var(--space-4) 0;justify-content:space-between;align-items:center;gap:var(--space-4);display:flex}.brand{align-items:center;gap:var(--space-2);font-weight:600;font-size:var(--text-lg);letter-spacing:-.01em;white-space:nowrap;display:flex}.brand-mark{border-radius:var(--radius-full);object-fit:cover;background:var(--muted);flex:none;width:34px;height:34px}.nav-links{align-items:center;gap:var(--space-5);font-size:var(--text-sm);color:var(--muted-foreground);white-space:nowrap;display:flex}.nav-links a:hover{color:var(--foreground)}.nav-links .nav-text{display:none}@media (width>=640px){.nav-links .nav-text{display:inline}}.badge{border-radius:var(--radius-full);background:var(--muted);font-size:var(--text-xs);color:var(--foreground);align-items:center;padding:.15rem .6rem;font-weight:500;display:inline-flex}.section{padding:var(--space-12) 0}.section-head{margin-bottom:var(--space-8);text-align:center}@media (width>=768px){.section{padding:var(--space-20) 0}.section-head{margin-bottom:var(--space-12)}}.section-head p{color:var(--muted-foreground);margin:0}.post-grid{gap:var(--space-4);grid-template-columns:1fr;margin:0;padding:0;list-style:none;display:grid}@media (width>=768px){.post-grid{gap:var(--space-6);grid-template-columns:repeat(2,1fr)}}.post-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);padding:var(--space-6);height:100%;transition:box-shadow .15s,transform .15s;display:block}@media (prefers-reduced-motion:no-preference){.post-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}}.post-meta{align-items:center;gap:var(--space-3);font-size:var(--text-xs);color:var(--muted-foreground);margin-bottom:var(--space-3);flex-wrap:wrap;display:flex}.post-title{font-size:var(--text-lg);letter-spacing:-.01em;margin:0;font-weight:600;line-height:1.6}.cta-section{background:var(--muted);padding:var(--space-12) 0;text-align:center}@media (width>=768px){.cta-section{padding:var(--space-20) 0}}.cta-section p{color:var(--muted-foreground);max-width:40rem;margin:0 auto var(--space-8)}.site-footer{border-top:1px solid var(--border);margin-top:0}.site-footer .inner{padding:var(--space-10) 0;font-size:var(--text-sm);color:var(--muted-foreground);justify-content:space-between;gap:var(--space-4);flex-wrap:wrap;display:flex}.site-footer a:hover{color:var(--foreground)}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:0;padding:0;overflow:hidden;position:absolute!important}