@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap";
:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-primary:#1a365d;--color-primary-foreground:#fff;--color-secondary:#f1f5f9;--color-secondary-foreground:#0f172a;--color-accent:#f97316;--color-accent-foreground:#fff;--color-muted:#f8fafc;--color-muted-foreground:#475569;--color-destructive:#ef4444;--color-destructive-foreground:#fff;--color-background:#fafafa;--color-foreground:#1e293b;--color-card:#fff;--color-card-foreground:#1e293b;--color-popover:#fff;--color-popover-foreground:#1e293b;--color-border:#e2e8f0;--color-input:#e2e8f0;--color-ring:#1a365d;--radius-xl:.75rem;--radius-lg:.5rem;--radius-md:.375rem;--radius-sm:.25rem;--page-max-width:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100vh;color:var(--color-foreground);text-rendering:optimizelegibility;background:radial-gradient(circle at 0 0,#1a365d14,#0000 34%),radial-gradient(circle at 100% 0,#f9731614,#0000 28%),linear-gradient(#fff 0%,#fafafa 45%,#f8fafc 100%);margin:0;font-family:Noto Sans JP,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img,svg{max-width:100%;display:block}button,input,textarea,select{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:2px;outline:3px solid #f9731647}::selection{color:var(--color-foreground);background:#f9731638}.page-shell{width:min(100%, var(--page-max-width));margin:0 auto;padding:0 1.25rem}.safe-bottom{padding-bottom:calc(5.75rem + env(safe-area-inset-bottom))}.surface{background:color-mix(in srgb, var(--color-card) 92%, transparent);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:0 24px 80px #0f172a0f}.eyebrow{color:var(--color-primary);letter-spacing:.03em;background:#1a365d14;border-radius:.5rem;align-items:center;gap:.5rem;padding:.45rem 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var(--color-border);border-radius:var(--radius-lg);background:#ffffffeb;padding:1.25rem}.button-link:hover{transform:translateY(-1px)}.button-link{touch-action:manipulation;-webkit-tap-highlight-color:#f973161f}.soft-card:hover{transition:transform .18s,box-shadow .18s;transform:translateY(-1px)}.hero-grid,.split-grid{grid-template-columns:1fr;gap:1.25rem;display:grid}.hub-link{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:#fffffff2;gap:.3rem;padding:.9rem 1rem;transition:transform .16s,border-color .16s,box-shadow .16s;display:grid}.hub-link:hover{border-color:#1a365d38;transform:translateY(-1px);box-shadow:0 16px 32px #0f172a0f}.mobile-nav{padding:.75rem 0 calc(.75rem + env(safe-area-inset-bottom));grid-template-columns:repeat(3,1fr);gap:.5rem;display:grid}.mobile-nav-link{color:var(--color-primary);background:#fffffff5;border:1px solid #1a365d1a;border-radius:.5rem;justify-items:center;gap:.15rem;padding:.75rem .5rem;font-size:.84rem;font-weight:700;display:grid}.mobile-nav-label{font-size:.78rem}.mobile-only{display:block}.desktop-only{display:none}.article-body{gap:1rem;display:grid}.article-body h1,.article-body h2,.article-body h3{color:var(--color-primary);margin:0;line-height:1.2}.article-body h1{align-items:center;gap:.6rem;font-size:clamp(1.8rem,3vw,2.8rem);display:inline-flex}.article-body h1:before,.article-body h2:before,.accent-heading:before{content:"";background:var(--color-accent);border-radius:999px;flex-shrink:0;width:.18rem;height:1.15em;display:inline-block}.article-body h2{align-items:center;gap:.55rem;font-size:1.35rem;display:inline-flex}.accent-heading{color:var(--color-primary);letter-spacing:-.01em;align-items:center;gap:.55rem;display:inline-flex}.article-body p{color:var(--color-foreground);margin:0}@keyframes gradient-shift{0%{background-position:0%}to{background-position:200%}}@media (max-width:820px){.hide-sm{display:none}.page-shell{padding-inline:1rem}.section-title{text-wrap:balance}}.stack{gap:1rem;display:grid}@media (min-width:821px){.hero-grid{grid-template-columns:minmax(0,1.3fr) minmax(280px,.9fr);align-items:start}.split-grid{grid-template-columns:minmax(0,1fr) minmax(280px,.92fr);align-items:start}.mobile-only{display:none}.desktop-only{display:block}.safe-bottom{padding-bottom:0}}