:root{--xt-blue-50:#e8f5ff;--xt-blue-100:#c9e7ff;--xt-blue-200:#94cfff;--xt-blue-300:#52b1ff;--xt-blue-400:#058fff;--xt-blue-500:#006cc4;--xt-blue-600:#005294;--xt-blue-700:#004a86;--xt-blue-800:#003a69;--xt-blue-900:#002a4c;--xt-blue-950:#001c33;--xt-charcoal-50:#f5f5f7;--xt-charcoal-100:#ebebef;--xt-charcoal-200:#d6d6de;--xt-charcoal-300:#b3b3c1;--xt-charcoal-400:#737389;--xt-charcoal-500:#626279;--xt-charcoal-600:#40404f;--xt-charcoal-700:#343441;--xt-charcoal-800:#2a2a34;--xt-charcoal-900:#20202a;--xt-charcoal-950:#17171c;--xt-red-500:#d9302f;--xt-red-600:#c11d1c;--xt-white:#fff;--font-body:"Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "BIZ UDPGothic", Meiryo, system-ui, sans-serif;--font-mono:ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;--width-page:1200px;--width-prose:720px;--gutter:clamp(1.25rem, 4vw, 3rem);--header-height:68px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-in-out:cubic-bezier(.65, 0, .35, 1);--dur-fast:.16s;--dur-base:.26s;--dur-slow:.52s;--c-bg:var(--xt-white);--c-bg-alt:var(--xt-charcoal-50);--c-bg-soft:var(--xt-charcoal-100);--c-bg-elevated:var(--xt-white);--c-bg-dark:var(--xt-charcoal-600);--c-bg-dark-deep:var(--xt-charcoal-900);--c-text:var(--xt-charcoal-600);--c-text-muted:var(--xt-charcoal-500);--c-text-subtle:var(--xt-charcoal-400);--c-text-on-dark:var(--xt-white);--c-divider:var(--xt-charcoal-200);--c-border:var(--xt-charcoal-300);--c-border-soft:var(--xt-charcoal-200);--c-border-strong:var(--xt-blue-200);--c-accent:var(--xt-blue-700);--c-accent-hover:var(--xt-blue-800);--c-accent-active:var(--xt-blue-900);--c-accent-contrast:var(--xt-white);--c-accent-soft:#004a8614;--c-accent-ring:#004a8659;--c-brand-bright:var(--xt-blue-300);--c-live:var(--xt-red-600);--gradient-accent:linear-gradient(120deg, var(--xt-blue-800) 0%, var(--xt-blue-500) 100%);--gradient-bright:linear-gradient(120deg, var(--xt-blue-700) 0%, var(--xt-blue-600) 100%);--gradient-deep:linear-gradient(120deg, var(--xt-charcoal-900) 0%, var(--xt-blue-900) 100%);--grid-line:#40404f14;--glow:#058fff2e;--shadow-sm:0 1px 2px #20202a0f;--shadow-md:0 8px 24px -12px #20202a3d;--shadow-lg:0 20px 48px -24px #20202a52;--shadow-accent:0 12px 32px -14px #004a8673;--c-header-bg:var(--c-bg);--c-code-bg:var(--xt-charcoal-900);color-scheme:light}*,:before,:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 1rem)}body{background-color:var(--c-bg);min-height:100dvh;color:var(--c-text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-size:16px;line-height:1.8}img,picture,svg,video{max-width:100%;display:block}input,button,textarea,select{font:inherit;color:inherit}a{color:var(--c-accent);text-underline-offset:3px;transition:color var(--dur-fast) var(--ease-out);text-decoration-thickness:1px}a:hover{color:var(--c-accent-hover)}:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:3px;box-shadow:0 0 0 5px #ffffffeb}.is-on-dark :focus-visible{outline-color:var(--xt-white);box-shadow:0 0 0 5px #20202ad9}::selection{background:var(--xt-blue-100);color:var(--xt-charcoal-800)}code,pre,kbd{font-family:var(--font-mono)}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;text-wrap:balance;font-weight:700;line-height:1.35}.font-display{font-family:var(--font-display), var(--font-body)}.container{width:100%;max-width:var(--width-page);padding-inline:var(--gutter);margin-inline:auto}.container-prose{width:100%;max-width:var(--width-prose);padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:clamp(3.5rem,9vw,7rem)}.stack>*+*{margin-top:var(--stack-gap,1rem)}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.eyebrow{color:var(--c-accent);font-family:var(--font-display), var(--font-body);letter-spacing:.14em;text-transform:uppercase;align-items:center;gap:.5em;margin-bottom:.75rem;font-size:.8125rem;font-weight:600;display:inline-flex}.eyebrow:before{content:"";background:var(--gradient-accent);border-radius:2px;width:24px;height:2px}.section-title{font-size:clamp(1.75rem,3.5vw,2.5rem)}.text-gradient{background:var(--gradient-accent);color:#0000;background-clip:text}.button{border-radius:var(--radius-sm);font-family:var(--font-display), var(--font-body);letter-spacing:.01em;cursor:pointer;transition:transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background-position var(--dur-slow) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);border:1px solid #0000;justify-content:center;align-items:center;gap:.5em;padding:.7em 1.5em;font-size:.9375rem;font-weight:600;text-decoration:none;display:inline-flex}.button--primary{color:var(--c-accent-contrast);background:var(--gradient-bright);box-shadow:var(--shadow-accent);background-position:0 0;background-size:180% 100%}.button--primary:hover{color:var(--c-accent-contrast);background-position:100% 0;transform:translateY(-2px)}.button--ghost{color:var(--c-accent);border-color:var(--c-border-strong);background:0 0}.button--ghost:hover{color:var(--c-accent-hover);background:var(--c-accent-soft);border-color:var(--c-accent);transform:translateY(-2px)}.button--on-dark{color:#fff;-webkit-backdrop-filter:blur(6px);background:#ffffff1a;border-color:#ffffff73}.button--on-dark:hover{color:var(--c-accent-contrast);background:#fff;border-color:#fff;transform:translateY(-2px)}.card{background:var(--c-bg-elevated);border:1px solid var(--c-border-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);position:relative;overflow:hidden}.card:hover{border-color:var(--c-border-strong);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.prose{--stack-gap:1.25rem}.prose>*+*{margin-top:1.25rem}.prose h2{margin-top:3rem;padding-top:2rem;font-size:clamp(1.375rem,2.6vw,1.75rem);position:relative}.prose h2:before{content:"";background:linear-gradient(to right, var(--c-accent) 0, var(--c-border-soft) 22%, var(--c-border-soft) 100%);width:100%;height:1px;position:absolute;inset-block-start:0;inset-inline-start:0}.prose h3{margin-top:2.25rem;font-size:1.1875rem}.prose ul,.prose ol{padding-inline-start:1.5em}.prose li+li{margin-top:.4em}.prose blockquote{border-inline-start:3px solid var(--c-accent);color:var(--c-text-muted);padding:.25rem 0 .25rem 1.25rem}.prose :not(pre)>code{background:var(--c-accent-soft);color:var(--c-accent);border-radius:4px;padding:.15em .4em;font-size:.875em;font-weight:500}.prose pre{color:var(--c-text-on-dark);border-radius:var(--radius-md);padding:1.1rem 1.25rem;font-size:.875rem;line-height:1.7;overflow-x:auto;background:var(--c-code-bg)!important}.prose img{border-radius:var(--radius-md)}.prose hr{background:var(--c-border-soft);border:0;height:1px}.prose table{border:1px solid var(--c-border-soft);border-collapse:separate;border-spacing:0;border-radius:var(--radius-md);width:100%;font-size:.9375rem;overflow:hidden}.prose th,.prose td{border:0;border-right:1px solid var(--c-border-soft);border-bottom:1px solid var(--c-border-soft);text-align:start;padding:.7rem 1rem}.prose th{background:var(--c-bg-soft);font-weight:600}@media (width>=561px){.prose tr>:last-child{border-right:0}.prose table>:last-child>tr:last-child>*{border-bottom:0}}@media (width<=560px){.prose table,.prose tbody,.prose tr,.prose th,.prose td{width:100%;display:block}.prose table{border:0}.prose tr{border:1px solid var(--c-border-soft);border-radius:var(--radius-md);margin-bottom:.75rem;overflow:hidden}.prose th,.prose td{border:0;padding:.55rem .9rem}.prose th{border-bottom:1px solid var(--c-border-soft);letter-spacing:.02em;font-size:.8125rem}}[data-reveal]{opacity:0;transition:opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);transition-delay:var(--reveal-delay,0s);transform:translateY(18px)}[data-reveal=shown],.no-js [data-reveal]{opacity:1;transform:none}@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}[data-reveal]{opacity:1;transform:none}}.logo[data-astro-cid-f7espo7c]{max-width:100%;height:auto;display:block}.logo--swap[data-astro-cid-f7espo7c] .logo__dark[data-astro-cid-f7espo7c],.is-on-dark .logo--swap[data-astro-cid-f7espo7c] .logo__light[data-astro-cid-f7espo7c]{display:none}.is-on-dark .logo--swap[data-astro-cid-f7espo7c] .logo__dark[data-astro-cid-f7espo7c]{display:initial}