:root{color-scheme:light dark;--bg:#f7f3ea;--surface:#fffdf8;--surface-2:#efe9dc;--ink:#1b2230;--muted:#5a6273;--line:#dcd3c2;--accent:#e8590c;--accent-ink:#b8430a;--on-accent:#fff8f0;--ok:#1f7a4d;--ok-bg:#e2f3e9;--warn:#8a5a00;--warn-bg:#fff1cf;--err:#b42318;--err-bg:#fde7e4;--focus:#2457d6;--radius:14px;--shadow:0 1px 2px #1b22300f, 0 8px 24px #1b22300f;--font:system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace}@media (prefers-color-scheme:dark){:root{--bg:#0d1420;--surface:#141d2c;--surface-2:#1b2638;--ink:#e9edf4;--muted:#a3adbf;--line:#2a364b;--accent:#ff8a3d;--accent-ink:#ffa46b;--on-accent:#1b1006;--ok:#5fd39a;--ok-bg:#11301f;--warn:#f3c25b;--warn-bg:#352708;--err:#ff8b80;--err-bg:#3a1411;--focus:#8fb0ff;--shadow:0 1px 2px #0000004d, 0 8px 24px #00000040}}*,:before,:after{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font:400 1.0625rem/1.65 var(--font);overflow-wrap:break-word;margin:0}:lang(ja),:lang(zh-Hans),:lang(zh-Hant),:lang(ko){line-height:1.8}:lang(th),:lang(hi),:lang(bn){line-height:1.85}img,svg,canvas{max-width:100%}a{color:var(--accent-ink);text-underline-offset:.18em}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}code{font-family:var(--mono);background:var(--surface-2);border-radius:5px;padding:.1em .35em;font-size:.9em}.wrap{width:min(100% - 2rem,72rem);margin-inline:auto}.narrow{width:min(100% - 2rem,46rem);margin-inline:auto}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.muted{color:var(--muted)}.small{font-size:.875rem}.skip{inset-inline-start:1rem;background:var(--ink);color:var(--bg);z-index:10;border-radius:8px;padding:.5rem 1rem;position:absolute;top:-4rem}.skip:focus{top:.75rem}main:focus{outline:none}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.header-inner{flex-wrap:wrap;align-items:center;gap:1rem;min-height:3.75rem;display:flex}.brand{color:var(--ink);letter-spacing:-.01em;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:750;text-decoration:none;display:inline-flex}.brand-mark{width:30px;height:30px}.main-nav{flex-wrap:wrap;gap:.25rem 1rem;margin-inline-start:auto;display:flex}.main-nav a{color:var(--ink);border-bottom:2px solid #0000;padding:.25rem 0;font-size:.95rem;font-weight:550;text-decoration:none}.main-nav a[aria-current=page],.main-nav a:hover{border-bottom-color:var(--accent)}.lang-switch{position:relative}.lang-switch summary{cursor:pointer;border:1px solid var(--line);background:var(--surface);border-radius:999px;align-items:center;gap:.35rem;padding:.35rem .65rem;font-size:.9rem;list-style:none;display:inline-flex}.lang-switch summary::-webkit-details-marker{display:none}.lang-list{inset-inline-end:0;z-index:20;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);grid-template-columns:repeat(2,minmax(9rem,1fr));gap:.1rem;width:max-content;max-width:calc(100vw - 2rem);max-height:70vh;margin:0;padding:.5rem;list-style:none;display:grid;position:absolute;top:calc(100% + .4rem);overflow:auto}.lang-list a{color:var(--ink);border-radius:8px;padding:.35rem .6rem;font-size:.95rem;text-decoration:none;display:block}.lang-list a:hover{background:var(--surface-2)}.lang-list a[aria-current=true]{background:var(--surface-2);font-weight:650}@media (width<=40rem){.header-inner{padding-block:.5rem}.main-nav{order:3;width:100%;margin-inline-start:0}.lang-switch{margin-inline-start:auto}.lang-list{grid-template-columns:1fr 1fr}}.site-footer{border-top:1px solid var(--line);margin-top:4rem;padding-block:2.5rem 3rem;font-size:.95rem}.footer-grid{grid-template-columns:1.3fr 1.4fr 1fr;gap:2rem;display:grid}.footer-grid ul{gap:.35rem;margin:0;padding:0;list-style:none;display:grid}.footer-grid a{color:var(--ink)}.footer-brand{margin:0 0 .25rem;font-weight:750}.footer-h{margin:0 0 .5rem;font-weight:700}@media (width<=52rem){.footer-grid{grid-template-columns:1fr}}.linklike{font:inherit;color:var(--ink);cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.btn{--b:var(--accent);appearance:none;border:2px solid var(--b);background:var(--b);min-height:2.75rem;color:var(--on-accent);font:650 1rem/1.2 var(--font);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.15rem;text-decoration:none;display:inline-flex}.btn:hover{filter:brightness(1.05)}.btn.secondary{color:var(--ink);border-color:var(--line);background:0 0}.btn.secondary:hover{border-color:var(--ink)}.btn[disabled]{opacity:.5;cursor:not-allowed}.field{gap:.3rem;min-width:0;font-size:.95rem;display:grid}select{text-overflow:ellipsis;width:100%;max-width:100%}.field>span{font-weight:600}select,input[type=number],input[type=time]{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;min-height:2.75rem;padding:.5rem .65rem}input[type=range]{accent-color:var(--accent);width:100%;min-height:2.75rem}.check{align-items:flex-start;gap:.6rem;font-size:.95rem;display:flex}.check input{width:1.2rem;height:1.2rem;accent-color:var(--accent);flex:none;margin-top:.2rem}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}.page-head{padding-block:2rem 1rem}.page-head h1{letter-spacing:-.02em;margin:0 0 .75rem;font-size:clamp(1.7rem,1.2rem + 2.2vw,2.6rem);line-height:1.15}.page-head .lead{color:var(--muted);max-width:46rem;margin:0;font-size:1.15rem}.crumbs{color:var(--muted);flex-wrap:wrap;gap:.35rem;margin:0 0 .75rem;padding:0;font-size:.875rem;list-style:none;display:flex}.crumbs li+li:before{content:"/";color:var(--line);margin-inline-end:.35rem}.crumbs a{color:var(--muted)}.article{grid-template-columns:minmax(0,1fr) 15rem;align-items:start;gap:2.5rem;display:grid}.article>.toc{order:2;position:sticky;top:1rem}@media (width<=60rem){.article{grid-template-columns:minmax(0,1fr)}.article>.toc{order:0;position:static}}.prose{max-width:46rem}.prose h2{letter-spacing:-.01em;margin:2.5rem 0 .75rem;scroll-margin-top:1rem;font-size:1.5rem;line-height:1.25}.prose h3{margin:1.75rem 0 .5rem;font-size:1.15rem}.prose p,.prose ul,.prose ol{margin:0 0 1rem}.prose ul,.prose ol{padding-inline-start:1.4rem}.prose li{margin-bottom:.4rem}.prose li::marker{color:var(--accent-ink)}.prose .note,.prose .warn{border-inline-start:4px solid var(--ok);background:var(--ok-bg);border-radius:10px;margin:0 0 1rem;padding:.85rem 1rem}.prose .warn{border-color:var(--warn);background:var(--warn-bg)}.prose pre{background:var(--surface-2);text-align:left;direction:ltr;border-radius:10px;margin:0 0 1rem;padding:.85rem 1rem;overflow-x:auto}.prose pre code{background:0 0;padding:0}.table-wrap{border:1px solid var(--line);border-radius:10px;margin:0 0 1.25rem;overflow-x:auto}.prose table{border-collapse:collapse;width:100%;font-size:.95rem}.prose th,.prose td{text-align:start;vertical-align:top;border-bottom:1px solid var(--line);padding:.6rem .75rem}.prose thead th{background:var(--surface-2);font-weight:650}.prose tbody tr:last-child td{border-bottom:0}.cite{margin-inline-start:.1em;font-size:.75em}.cite a{text-decoration:none}.toc{font-size:.92rem}.toc p{margin:0 0 .5rem;font-weight:700}.toc ol{gap:.35rem;margin:0;padding-inline-start:1.1rem;display:grid}.toc a{color:var(--ink);text-decoration:none}.toc a:hover{text-decoration:underline}.reviewed{color:var(--muted);margin:0 0 1.5rem;font-size:.875rem}.faq details{border-bottom:1px solid var(--line);padding-block:.75rem}.faq summary{cursor:pointer;font-weight:650}.faq details>div{padding-top:.5rem}.sources ol{padding-inline-start:1.4rem;font-size:.92rem}.sources li{margin-bottom:.35rem;scroll-margin-top:1rem}.sources li:target{background:var(--warn-bg);border-radius:6px}.related{margin-top:3rem}.related h2{margin:0 0 1rem;font-size:1.25rem}.related-grid{grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:1rem;margin:0;padding:0;list-style:none;display:grid}.related-grid a{height:100%;color:var(--ink);text-decoration:none;display:block}.related-grid a:hover{border-color:var(--accent)}.related-grid strong{color:var(--accent-ink);margin-bottom:.25rem;display:block}.related-grid span{color:var(--muted);font-size:.93rem}.ad{text-align:center;align-content:start;gap:.25rem;min-height:280px;margin:2.5rem auto;display:grid}.ad-label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.75rem}.ad ins{min-height:250px;display:block}.pill{background:var(--surface-2);color:var(--muted);border-radius:999px;align-items:center;gap:.45rem;padding:.3rem .75rem;font-size:.95rem;font-weight:650;display:inline-flex}.pill:before{content:"";background:currentColor;border-radius:50%;width:.6rem;height:.6rem}.pill[data-state=active]{background:var(--ok-bg);color:var(--ok)}.pill[data-state=paused]{background:var(--warn-bg);color:var(--warn)}.pill[data-state=error]{background:var(--err-bg);color:var(--err)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}