:root{--color-canvas:#f8fbfd;--color-surface:#fff;--color-surface-tint:#eaf5fa;--color-brand:#176b93;--color-brand-strong:#0d4665;--color-accent:#35c2d6;--color-ink:#14313c;--color-ink-muted:#536d77;--color-line:#a9c6d2;--color-dark:#071b2b;--color-dark-surface:#102b3d;--color-dark-ink:#eef8fc;--color-success:#2d8b72;--font-sans:"Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:clamp(1rem, .96rem + .18vw, 1.125rem);--font-size-h3:clamp(1.25rem, 1.08rem + .64vw, 1.75rem);--font-size-h2:clamp(2rem, 1.4rem + 2.2vw, 4rem);--font-size-h1:clamp(2.65rem, 1.45rem + 4.5vw, 6.5rem);--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--space-9:6rem;--section-space:clamp(5rem, 10vw, 10rem);--content-width:75rem;--reading-width:43rem;--gutter:clamp(1.25rem, 4vw, 3rem);--radius-sm:.75rem;--radius-md:1.25rem;--radius-lg:2rem;--shadow-soft:0 1.5rem 4rem #0d46651a;--shadow-focus:0 0 0 .25rem #35c2d647;--duration-fast:.16s;--duration-base:.28s;--ease-standard:cubic-bezier(.2, .7, .2, 1)}
*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:5rem}body{color:var(--color-ink);font-family:var(--font-sans);font-size:var(--font-size-base);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#050d18;margin:0;line-height:1.8}a{color:inherit}button,input{color:inherit;font:inherit}img,svg{max-width:100%;display:block}h1,h2,h3,p{margin-block:0}ul,ol{margin-block:0;padding:0}::selection{background:var(--color-accent);color:var(--color-dark)}:focus-visible{border-radius:var(--radius-sm);outline:.1875rem solid var(--color-brand-strong);outline-offset:.25rem;box-shadow:var(--shadow-focus)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}