:root{color-scheme:light dark;--color-ground:#f4f7f5;--color-surface:#fff;--color-surface-2:#ebf1ed;--color-surface-3:#e2e9e4;--color-surface-4:#d8e1db;--color-ink:#0f1813;--color-muted:#4d5d54;--color-rule:#e0e7e2;--color-outline:#768a7f;--color-primary:#39cf71;--color-on-primary:#03210f;--color-primary-edge:#0f9c52;--color-primary-pressed:#2fb862;--color-primary-soft:#dcf6e7;--color-on-primary-soft:#0b5530;--color-link:#0a7a3d;--color-on-link:#fff;--color-premium:#8a6200;--color-on-premium:#fff;--color-premium-soft:#fff1cc;--color-on-premium-soft:#6b4a00;--color-error:#c62f2f;--color-error-soft:#ffe1de;--color-on-error-soft:#7a1518;--color-live-text:#0b7f44;--color-live-ring:#0e9f55;--color-focus:#0a7a3d;--shadow-card:0 1px 2px #0f18130d, 0 6px 16px #0f18130f;--card-border:1px solid transparent;--color-neon:#1fe073;--color-on-neon:#03210f;--color-logo-line:#333;--color-price:#0a7a3d;--color-bezel:#4a5c52;--hero-ground:#0c1310;--hero-ground-top:#12201a;--hero-ink:#e9f2ec;--hero-ink-soft:#b4c6bb;--hero-lit:#1fe073;--hero-link:#3be68a;--hero-focus:#3be68a;--hero-rule:#24312a;--hero-glow-alpha:.3;--hero-bg:radial-gradient(75% 60% at 50% 70%, rgb(31 224 115/var(--hero-glow-alpha)), #1fe07300 72%), linear-gradient(180deg, var(--hero-ground-top), var(--hero-ground));--font-body:-apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;--font-heading:var(--font-body);--fs-display:clamp(2rem, 1.4rem + 3.2vw, 3.5rem);--fs-h2:clamp(1.5rem, 1.25rem + 1.2vw, 2rem);--fs-h3:1.25rem;--fs-h4:1rem;--fs-lead:1.125rem;--fs-body:1rem;--fs-small:.875rem;--fs-caption:.75rem;--fw-display:900;--fw-heading:700;--fw-label:600;--fw-body:400;--lh-tight:1.25;--lh-heading:1.4;--lh-body:1.8;--radius-card:12px;--radius-control:10px;--radius-image:8px;--radius-status:6px;--radius-pill:999px;--radius-screen:20px;--space-2:2px;--space-4:4px;--space-8:8px;--space-12:12px;--space-16:16px;--space-20:20px;--space-24:24px;--space-32:32px;--space-48:48px;--space-64:64px;--space-96:96px;--gutter:16px;--content-max:1080px;--prose-max:40rem;--tap-min:48px;--header-h:56px;--section-gap:var(--space-48);--band-pad:var(--space-48);--dur-press:80ms;--dur-fade:.2s;--ease:cubic-bezier(.2, 0, 0, 1)}@media (width>=768px){:root{--gutter:24px;--section-gap:var(--space-64);--band-pad:var(--space-96)}}@media (prefers-color-scheme:dark){:root{--color-ground:#0c1310;--color-surface:#141c18;--color-surface-2:#1b2620;--color-surface-3:#233029;--color-surface-4:#2c3a32;--color-ink:#e9f2ec;--color-muted:#9db1a6;--color-rule:#24312a;--color-outline:#66806f;--color-primary:#39cf71;--color-on-primary:#03210f;--color-primary-edge:transparent;--color-primary-pressed:#2fb862;--color-primary-soft:#133423;--color-on-primary-soft:#a3f2c5;--color-link:#3be68a;--color-on-link:#03210f;--color-premium:#f3c450;--color-on-premium:#2a1e00;--color-premium-soft:#3a2e10;--color-on-premium-soft:#f8dd96;--color-error:#ff6b6b;--color-error-soft:#4a1518;--color-on-error-soft:#ffd9d6;--color-live-text:#1fe073;--color-live-ring:#1fe073;--color-focus:#3be68a;--shadow-card:none;--card-border:1px solid #24312a}}.band-dark{color-scheme:dark;background:var(--hero-bg);color:var(--hero-ink);--color-ink:var(--hero-ink);--color-muted:var(--hero-ink-soft);--color-link:var(--hero-link);--color-focus:var(--hero-focus);--color-rule:var(--hero-rule);--color-outline:#8aa596;--color-primary-edge:transparent;--color-surface:#141c18;--color-surface-2:#1b2620;--color-surface-3:#233029;--color-on-link:#03210f;--shadow-card:none;--card-border:1px solid var(--hero-rule)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--color-ground);color:var(--color-ink);font:var(--fw-body) var(--fs-body) / var(--lh-body) var(--font-body);-webkit-font-smoothing:antialiased;line-break:strict;margin:0}h1,h2,h3,h4{font-family:var(--font-heading);letter-spacing:.01em;text-wrap:balance;word-break:auto-phrase;overflow-wrap:anywhere;margin:0}h1,h2{font-size:var(--fs-h2);font-weight:var(--fw-display);line-height:1.35}h3{font-size:var(--fs-h3);font-weight:var(--fw-heading);line-height:var(--lh-heading)}h4{font-size:var(--fs-h4);font-weight:var(--fw-heading);line-height:1.5}p,figure,blockquote,dl,dd{margin:0}img,svg,video{max-width:100%;height:auto}img{display:block}a{color:var(--color-link);text-underline-offset:.2em;text-decoration-line:underline;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px}::selection{background:var(--color-primary-soft);color:var(--color-on-primary-soft)}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}.container{width:100%;max-width:calc(var(--content-max) + var(--gutter) * 2);padding-inline:var(--gutter);margin-inline:auto}.container-prose{width:100%;max-width:calc(var(--prose-max) + var(--gutter) * 2);padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:var(--section-gap)}.section h2{margin-bottom:var(--space-24)}.section-lead{max-width:40rem;margin-top:calc(var(--space-12) * -1);margin-bottom:var(--space-24)}.section-more{margin-top:var(--space-12)}.section-more a{min-height:var(--tap-min);align-items:center;display:inline-flex}.eyebrow{font-size:var(--fs-small);font-weight:var(--fw-label);color:var(--color-muted);line-height:1.7}.lead{font-size:var(--fs-lead);line-height:1.85}.muted{color:var(--color-muted)}.small{font-size:var(--fs-small);line-height:1.7}.caption{font-size:var(--fs-caption);font-weight:var(--fw-label);line-height:1.5}.lit{color:var(--hero-lit)}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.card{background:var(--color-surface);border:var(--card-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:var(--space-20)}.btn{--btn-h:52px;--btn-px:20px;--btn-fs:.9375rem;justify-content:center;align-items:center;gap:var(--space-8);min-height:var(--btn-h);padding:var(--space-8) var(--btn-px);border-radius:var(--radius-control);font-size:var(--btn-fs);font-weight:var(--fw-label);text-align:center;cursor:pointer;-webkit-tap-highlight-color:transparent;border:0;line-height:1.4;text-decoration:none;display:inline-flex}.btn:hover{text-decoration:none}.btn svg{flex:none;width:1.15em;height:1.15em}.btn-m{--btn-h:44px;--btn-px:16px;--btn-fs:.9375rem;position:relative}.btn-m:after{content:"";width:max(100%, var(--tap-min));height:max(100%, var(--tap-min));position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%)}.btn-block{width:100%;display:flex}.btn-primary{background:var(--color-primary);color:var(--color-on-primary);font-weight:var(--fw-heading);box-shadow:inset 0 0 0 1px var(--color-primary-edge)}.btn-primary:hover,.btn-primary:active{background:var(--color-primary-pressed)}.btn-outline{color:var(--color-ink);box-shadow:inset 0 0 0 1px var(--color-outline);background:0 0}.btn-outline:hover,.btn-outline:active{background:color-mix(in srgb, currentColor 8%, transparent)}.btn:disabled,.btn[aria-disabled=true]{background:var(--color-surface-2);color:var(--color-muted);box-shadow:none;cursor:not-allowed}@media (prefers-reduced-motion:no-preference){.btn{transition:transform var(--dur-press) var(--ease), background-color var(--dur-press) var(--ease)}.btn:active:not(:disabled){transform:scale(.98)}}.list-plain{margin:0;padding:0;list-style:none}.tap-target{min-height:var(--tap-min);align-items:center;display:inline-flex}.text-h3{font-size:var(--fs-h3);font-weight:var(--fw-heading);line-height:var(--lh-heading)}.tag{min-height:28px;padding:var(--space-2) var(--space-12);border-radius:var(--radius-pill);background:var(--color-surface-2);color:var(--color-ink);font-size:var(--fs-small);font-weight:var(--fw-label);align-items:center;line-height:1.5;display:inline-flex}.icon{vertical-align:-.125em;flex:none;width:1em;height:1em;display:inline-block}.empty-mark{background:var(--color-primary-soft);width:88px;height:88px;color:var(--color-on-primary-soft);border-radius:50%;place-items:center;display:grid}.empty-mark .icon{width:40px;height:40px}.screen{background:var(--color-bezel);width:100%;max-width:300px;box-shadow:var(--shadow-card);border-radius:14%/6.4%;padding:3px;display:block}.band-dark .screen{box-shadow:0 0 40px #1fe07340}.screen img{border-radius:13.7%/6.2%;width:100%;height:auto;display:block}.prose{overflow-wrap:break-word}.prose>*+*{margin-top:var(--space-12)}.prose h2{margin-top:var(--space-48);font-size:var(--fs-h3);font-weight:var(--fw-heading);line-height:var(--lh-heading)}.prose h3{margin-top:var(--space-32);font-size:var(--fs-h4);line-height:1.5}.prose h4{margin-top:var(--space-24);font-size:var(--fs-h4)}.prose h2+*,.prose h3+*,.prose h4+*{margin-top:var(--space-8)}.prose ol,.prose ul{margin-bottom:0;padding-left:1.5em}.prose li+li,.prose li>ol,.prose li>ul{margin-top:var(--space-4)}.prose ol ol{list-style-type:paren-decimal}@counter-style paren-decimal{system:extends decimal;prefix:"(";suffix:") "}.prose strong{font-weight:var(--fw-heading)}.prose code{overflow-wrap:anywhere;font-size:.9em}.prose .table-wrap{margin-block:var(--space-12) var(--space-16);border-radius:var(--radius-image);overflow-x:auto}.prose table{border-collapse:collapse;background:var(--color-surface);width:100%;min-width:640px;font-size:var(--fs-small);line-height:1.7}.prose table.wide{min-width:800px}.prose table.definition,.prose table.compact{min-width:0}.prose th,.prose td{overflow-wrap:break-word;min-width:5.5em;padding:var(--space-8) var(--space-12);border:1px solid var(--color-rule);text-align:left;vertical-align:top}.prose th{background:var(--color-surface-2);font-weight:var(--fw-heading)}.prose table.definition th{width:32%}.note{padding:var(--space-16);border-radius:var(--radius-card);background:var(--color-surface);border:var(--card-border);box-shadow:var(--shadow-card);font-size:var(--fs-small);line-height:1.7}.logo[data-astro-cid-f7espo7c]{align-items:center;gap:var(--space-8);color:var(--color-ink);display:inline-flex}.logo-tile[data-astro-cid-f7espo7c]{flex:none;width:32px;height:32px}.logo-wordmark[data-astro-cid-f7espo7c]{--wordmark-h:22px;width:calc(var(--wordmark-h) * 512 / 118);height:var(--wordmark-h);transform:translateY(calc(var(--wordmark-h) * 13.5 / 118));-webkit-mask:var(--wordmark) center / contain no-repeat;mask:var(--wordmark) center / contain no-repeat;background:currentColor;display:block}@media (forced-colors:active){.logo-wordmark[data-astro-cid-f7espo7c]{background:canvastext}}.site-header[data-astro-cid-nen7h5rs]{background:var(--color-ground)}.site-header[data-astro-cid-nen7h5rs].on-dark{background:var(--hero-ground-top)}.inner[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:var(--space-12);min-height:var(--header-h);padding-block:var(--space-4);flex-wrap:wrap;display:flex}.home[data-astro-cid-nen7h5rs]{color:var(--color-ink);text-decoration:none}.nav[data-astro-cid-nen7h5rs]{justify-content:flex-end;align-items:center;gap:var(--space-8);flex-wrap:wrap;margin-left:auto;display:flex}.nav-link[data-astro-cid-nen7h5rs]{min-width:var(--tap-min);padding-inline:var(--space-8);color:var(--color-ink);font-size:.9375rem;font-weight:var(--fw-label);white-space:nowrap;justify-content:center;text-decoration:none}.nav-link[data-astro-cid-nen7h5rs]:hover{text-decoration:underline}.nav[data-astro-cid-nen7h5rs] .btn[data-astro-cid-nen7h5rs]{white-space:nowrap}@media (width<=359px){.home[data-astro-cid-nen7h5rs] .logo-wordmark{display:none}}.site-footer[data-astro-cid-jo6i4kqk]{padding-block:var(--space-48) var(--space-32);border-top:1px solid var(--color-rule);background:var(--color-ground);font-size:var(--fs-small);line-height:1.7}.top[data-astro-cid-jo6i4kqk]{align-items:center;gap:var(--space-4) var(--space-16);margin-bottom:var(--space-24);flex-wrap:wrap;display:flex}.home[data-astro-cid-jo6i4kqk]{text-decoration:none}.tagline[data-astro-cid-jo6i4kqk]{color:var(--color-muted)}.groups[data-astro-cid-jo6i4kqk]{gap:var(--space-24) var(--space-16);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}@media (width>=768px){.groups[data-astro-cid-jo6i4kqk]{grid-template-columns:repeat(4,minmax(0,1fr))}}.group-heading[data-astro-cid-jo6i4kqk]{margin-bottom:var(--space-4);color:var(--color-muted);font-size:var(--fs-caption);font-weight:var(--fw-label);letter-spacing:.04em;line-height:1.5}li[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{gap:var(--space-4);color:var(--color-ink);text-decoration:none}.phrase[data-astro-cid-jo6i4kqk]{display:inline-block}li[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{text-underline-offset:.2em;text-decoration:underline}li[data-astro-cid-jo6i4kqk] .ext{color:var(--color-muted);font-size:.875em}.copyright[data-astro-cid-jo6i4kqk]{margin-top:var(--space-32);color:var(--color-muted);font-size:var(--fs-caption)}