:root{--color-bg: #f5f5f5;--color-bg-raised: #ffffff;--color-bg-overlay: #ffffff;--color-text: #1a1a1a;--color-text-2: #4d4d4d;--color-text-3: #6e6e6e;--color-border: #d9d9d9;--color-border-strong: #a3a3a3;--color-link: #1a1a1a;--color-focus-ring: #1a1a1a;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--sp-12: 48px;--sp-16: 64px;--fs-xs: .8125rem;--fs-sm: .9375rem;--fs-md: 1rem;--fs-lg: 1.125rem;--fs-xl: 1.5rem;--fs-2xl: 2rem;--fs-hex-hero: clamp(1.75rem, 7vw, 3rem);--font-sans: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans CJK JP", "Noto Sans SC", "Noto Sans TC", "Yu Gothic UI", "Noto Sans Devanagari", "Noto Sans Bengali", "Noto Sans Arabic", "Noto Sans Thai", sans-serif;--font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;--lh-tight: 1.25;--lh-base: 1.6;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 999px;--shadow-raised: 0 1px 2px rgb(0 0 0 / .08);--shadow-overlay: 0 4px 16px rgb(0 0 0 / .14);--dur-fast: .15s;--dur: .18s;--dur-slow: .25s;--ease: cubic-bezier(.25, .1, .25, 1);--touch-target: 44px;--content-width: 64rem;color-scheme:light}@media(prefers-color-scheme:dark){:root{--color-bg: #141414;--color-bg-raised: #1f1f1f;--color-bg-overlay: #262626;--color-text: #ebebeb;--color-text-2: #b3b3b3;--color-text-3: #8f8f8f;--color-border: #333333;--color-border-strong: #525252;--color-link: #ebebeb;--color-focus-ring: #ebebeb;--shadow-raised: 0 1px 2px rgb(0 0 0 / .5);--shadow-overlay: 0 4px 16px rgb(0 0 0 / .6);color-scheme:dark}}@media(prefers-reduced-motion:reduce){:root{--dur-fast: 0ms;--dur: 0ms;--dur-slow: 0ms}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--fs-md);line-height:var(--lh-base)}h1,h2,h3,h4{line-height:var(--lh-tight);margin-block:0 var(--sp-4);margin-inline:0}p{margin-block:0 var(--sp-4);margin-inline:0}a{color:var(--color-link);text-decoration:underline;text-underline-offset:.15em;text-decoration-color:var(--color-border-strong);transition:text-decoration-color var(--dur-fast) var(--ease)}a:hover{text-decoration-color:currentColor}:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px;border-radius:var(--radius-sm)}img,svg{max-width:100%;height:auto}table{border-collapse:collapse}.tnum{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.lang-switcher[data-astro-cid-a2mxz4y6]{position:relative}.lang-switcher[data-astro-cid-a2mxz4y6] summary[data-astro-cid-a2mxz4y6]{display:inline-flex;align-items:center;gap:var(--sp-1);min-block-size:var(--touch-target);padding-inline:var(--sp-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--fs-sm);color:var(--color-text-2);cursor:pointer;list-style:none;user-select:none}.lang-switcher[data-astro-cid-a2mxz4y6] summary[data-astro-cid-a2mxz4y6]::-webkit-details-marker{display:none}.lang-switcher[data-astro-cid-a2mxz4y6] summary[data-astro-cid-a2mxz4y6]:hover{color:var(--color-text);border-color:var(--color-border-strong)}.lang-switcher__icon[data-astro-cid-a2mxz4y6]{flex:none}.lang-switcher__chevron[data-astro-cid-a2mxz4y6]{inline-size:8px;block-size:8px;margin-inline-start:2px;border-inline-end:1.5px solid currentColor;border-block-end:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform var(--dur-fast) var(--ease)}.lang-switcher[data-astro-cid-a2mxz4y6][open] .lang-switcher__chevron[data-astro-cid-a2mxz4y6]{transform:translateY(2px) rotate(-135deg)}.lang-switcher__panel[data-astro-cid-a2mxz4y6]{position:absolute;inset-inline-end:0;inset-block-start:calc(100% + var(--sp-1));z-index:50;min-inline-size:10rem;max-block-size:min(60vh,420px);overflow-y:auto;margin:0;padding:var(--sp-1);list-style:none;background:var(--color-bg-overlay);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);box-shadow:var(--shadow-overlay)}.lang-switcher__panel[data-astro-cid-a2mxz4y6] a[data-astro-cid-a2mxz4y6]{display:flex;align-items:center;min-block-size:var(--touch-target);padding-inline:var(--sp-3);border-radius:var(--radius-sm);font-size:var(--fs-sm);color:var(--color-text-2);text-decoration:none}.lang-switcher__panel[data-astro-cid-a2mxz4y6] a[data-astro-cid-a2mxz4y6]:hover{color:var(--color-text);background:var(--color-bg)}.lang-switcher__panel[data-astro-cid-a2mxz4y6] a[data-astro-cid-a2mxz4y6][aria-current=true]{color:var(--color-text);font-weight:600}.lang-switcher__panel[data-astro-cid-a2mxz4y6] a[data-astro-cid-a2mxz4y6][aria-current=true]:after{content:"✓";margin-inline-start:auto}.site-header[data-astro-cid-3ef6ksr2]{border-block-end:1px solid var(--color-border);background:var(--color-bg-raised)}.site-header__inner[data-astro-cid-3ef6ksr2]{max-width:var(--content-width);margin-inline:auto;padding:var(--sp-2) var(--sp-4);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-2) var(--sp-4)}.brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:var(--sp-2);min-height:var(--touch-target);color:var(--color-text);text-decoration:none}.brand__mark[data-astro-cid-3ef6ksr2]{flex:none}.brand__name[data-astro-cid-3ef6ksr2]{font-weight:600;letter-spacing:.08em;font-size:var(--fs-lg)}.brand__env[data-astro-cid-3ef6ksr2]{font-size:var(--fs-xs);color:var(--color-text-2);border:1px solid currentColor;border-radius:var(--radius-sm);padding:0 var(--sp-1);text-transform:uppercase;letter-spacing:.08em}.nav-list[data-astro-cid-3ef6ksr2]{display:flex;flex-wrap:wrap;gap:var(--sp-1);list-style:none;margin:0;padding:0}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;min-height:var(--touch-target);padding:0 var(--sp-3);border-radius:var(--radius-sm);color:var(--color-text-2);text-decoration:none;transition:color var(--dur-fast) var(--ease),background-color var(--dur-fast) var(--ease)}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--color-text);background:var(--color-bg)}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--color-text);box-shadow:inset 0 -2px 0 var(--color-text);border-radius:var(--radius-sm) var(--radius-sm) 0 0}.site-footer[data-astro-cid-sz7xmlte]{border-block-start:1px solid var(--color-border);background:var(--color-bg-raised)}.site-footer__inner[data-astro-cid-sz7xmlte]{max-width:var(--content-width);margin-inline:auto;padding-block:var(--sp-6);padding-inline:var(--sp-4)}.site-footer__note[data-astro-cid-sz7xmlte]{color:var(--color-text-2);font-size:var(--fs-sm)}.site-footer__links[data-astro-cid-sz7xmlte]{margin-block:var(--sp-2);font-size:var(--fs-sm);display:flex;flex-wrap:wrap;gap:var(--sp-2) var(--sp-4)}.site-footer__meta[data-astro-cid-sz7xmlte]{color:var(--color-text-3);font-size:var(--fs-xs);margin-block-end:0}main[data-astro-cid-sckkx6r4]{max-width:var(--content-width);margin-inline:auto;padding-block:var(--sp-6) var(--sp-16);padding-inline:var(--sp-4)}.skip-link[data-astro-cid-sckkx6r4]{position:absolute;inset-block-start:var(--sp-2);inset-inline-start:var(--sp-2);z-index:100;padding:var(--sp-2) var(--sp-4);background:var(--color-bg-overlay);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);transform:translateY(-200%);transition:transform var(--dur-fast) var(--ease)}.skip-link[data-astro-cid-sckkx6r4]:focus{transform:translateY(0)}