:root{--white:oklch(98.8% .002 250);--mist:oklch(96.5% .004 250);--ink:oklch(17% .012 262);--ink-soft:oklch(40% .012 262);--ink-faint:oklch(52% .01 262);--signal:oklch(66% .215 38);--signal-text:oklch(54% .2 36);--color-bg:var(--white);--color-bg-alt:var(--mist);--color-text:var(--ink);--color-text-muted:var(--ink-soft);--color-text-subtle:var(--ink-faint);--color-rule:var(--ink);--color-hairline:oklch(17% .012 262/.1);--color-grid:oklch(17% .012 262/.07);--color-accent:var(--signal);--color-accent-text:var(--signal-text);--color-focus:var(--signal-text);--color-chart:var(--signal);--color-invert-bg:var(--ink);--color-invert-text:oklch(96% .004 250);--color-invert-muted:oklch(72% .008 250);--color-code-bg:oklch(17% .012 262);--color-code-fg:oklch(94% .004 250);--font-sans:"Inter", "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;--font-display:"Inter Tight", "Noto Sans JP", "Hiragino Sans", system-ui, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.3125rem;--text-2xl:1.625rem;--text-3xl:clamp(1.75rem, 1.3rem + 1.8vw, 2.5rem);--text-4xl:clamp(2rem, 1.3rem + 2.8vw, 3.25rem);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--space-24:96px;--container:1240px;--prose:680px;--gutter:16px;--ease-out:cubic-bezier(.22, 1, .36, 1);--dur-fast:.14s;--dur-base:.22s;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (width>=640px){:root{--gutter:24px}}@media (width>=1024px){:root{--gutter:40px}}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg:oklch(15% .008 262);--color-bg-alt:oklch(19% .01 262);--color-text:oklch(95% .004 250);--color-text-muted:oklch(78% .008 250);--color-text-subtle:oklch(65% .008 250);--color-rule:oklch(95% .004 250);--color-hairline:oklch(100% 0 0/.12);--color-grid:oklch(100% 0 0/.07);--color-accent:oklch(70% .18 40);--color-accent-text:oklch(74% .16 42);--color-focus:oklch(74% .16 42);--color-chart:oklch(66% .18 40);--color-invert-bg:oklch(95% .004 250);--color-invert-text:oklch(15% .008 262);--color-invert-muted:oklch(42% .01 262);--color-code-bg:oklch(11% .006 262);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--color-bg:oklch(15% .008 262);--color-bg-alt:oklch(19% .01 262);--color-text:oklch(95% .004 250);--color-text-muted:oklch(78% .008 250);--color-text-subtle:oklch(65% .008 250);--color-rule:oklch(95% .004 250);--color-hairline:oklch(100% 0 0/.12);--color-grid:oklch(100% 0 0/.07);--color-accent:oklch(70% .18 40);--color-accent-text:oklch(74% .16 42);--color-focus:oklch(74% .16 42);--color-chart:oklch(66% .18 40);--color-invert-bg:oklch(95% .004 250);--color-invert-text:oklch(15% .008 262);--color-invert-muted:oklch(42% .01 262);--color-code-bg:oklch(11% .006 262);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-base);letter-spacing:.02em;-webkit-font-smoothing:antialiased;font-kerning:normal;margin:0;line-height:1.85;overflow-x:hidden}img,svg{max-width:100%;display:block}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.005em;font-feature-settings:"palt";text-wrap:balance;word-break:auto-phrase;overflow-wrap:anywhere;margin:0;font-weight:700;line-height:1.45}p{margin:0}ul,ol{margin:0;padding:0}a{color:inherit;text-decoration:none}button,input{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--color-focus);outline-offset:3px}.container{width:100%;max-width:calc(var(--container) + var(--gutter) * 2);padding-inline:var(--gutter);margin-inline:auto}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.skip-link{left:var(--space-4);background:var(--color-invert-bg);color:var(--color-invert-text);padding:var(--space-2) var(--space-4);z-index:100;position:absolute;top:-100px}.skip-link:focus{top:var(--space-4)}.display{font-family:var(--font-display);letter-spacing:-.005em;font-feature-settings:"palt"}.num,.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}.link{text-underline-offset:4px;text-decoration:underline;text-decoration-thickness:1px;-webkit-text-decoration-color:var(--color-hairline);text-decoration-color:var(--color-hairline);transition:text-decoration-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out)}.link:hover{color:var(--color-accent-text);text-decoration-color:currentColor}.rubric{justify-content:space-between;align-items:center;gap:var(--space-4);border-top:1px solid var(--color-hairline);padding-top:var(--space-4);margin-bottom:var(--space-6);display:flex}.rubric h2{align-items:center;gap:var(--space-2);font-size:var(--text-sm);letter-spacing:.06em;font-weight:700;display:flex}.rubric .count{font-family:var(--font-mono);color:var(--color-text-subtle);font-weight:400;font-size:var(--text-xs)}.rubric .more{min-height:32px;font-size:var(--text-xs);white-space:nowrap;align-items:center;gap:6px;font-weight:600;display:inline-flex}.rubric .more:hover{color:var(--color-accent-text);text-underline-offset:4px;text-decoration:underline}.rubric.big{padding-top:var(--space-4);margin-bottom:var(--space-8);align-items:flex-end}.rubric.big h2{font-size:var(--text-3xl);letter-spacing:0;gap:var(--space-3);font-weight:700;line-height:1.3}.rubric.big .count{font-size:var(--text-sm);align-self:flex-end;padding-bottom:4px}.band{--color-bg:oklch(15% .008 262);--color-bg-alt:oklch(19% .01 262);--color-text:oklch(95% .004 250);--color-text-muted:oklch(78% .008 250);--color-text-subtle:oklch(65% .008 250);--color-rule:oklch(95% .004 250);--color-hairline:oklch(100% 0 0/.12);--color-grid:oklch(100% 0 0/.07);--color-chart:oklch(66% .18 40);--color-accent-text:oklch(74% .16 42);--color-focus:oklch(74% .16 42);--color-invert-bg:oklch(95% .004 250);--color-invert-text:oklch(15% .008 262);--color-invert-muted:oklch(42% .01 262);background:var(--color-bg);color:var(--color-text);padding-block:var(--space-16) var(--space-16)}:root[data-theme=dark] .band{--color-bg:oklch(20% .012 262)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .band{--color-bg:oklch(20% .012 262)}}.kicker{font-size:var(--text-xs);letter-spacing:.08em;color:var(--color-text-subtle);font-weight:600;display:inline-block}.btn{min-height:44px;padding:0 var(--space-6);background:var(--color-invert-bg);color:var(--color-invert-text);border:1px solid var(--color-invert-bg);font-size:var(--text-sm);cursor:pointer;transition:background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);justify-content:center;align-items:center;font-weight:700;display:inline-flex}.btn:hover{background:var(--color-accent);border-color:var(--color-accent);color:oklch(15% .01 262)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}