@font-face{font-family:Atkinson Hyperlegible Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/vpn-is-the-door/_astro/atkinson-hyperlegible-mono-latin-ext-400-normal.CpVFOiMk.woff2)format("woff2"),url(/vpn-is-the-door/_astro/atkinson-hyperlegible-mono-latin-ext-400-normal.ITMuFrSK.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Atkinson Hyperlegible Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/vpn-is-the-door/_astro/atkinson-hyperlegible-mono-latin-400-normal.CmMGer93.woff2)format("woff2"),url(/vpn-is-the-door/_astro/atkinson-hyperlegible-mono-latin-400-normal.Cmjm2dBj.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Atkinson Hyperlegible Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/vpn-is-the-door/_astro/atkinson-hyperlegible-mono-latin-ext-600-normal.DKhxRsTL.woff2)format("woff2"),url(/vpn-is-the-door/_astro/atkinson-hyperlegible-mono-latin-ext-600-normal.ZiH-ObRk.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Atkinson Hyperlegible Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/vpn-is-the-door/_astro/atkinson-hyperlegible-mono-latin-600-normal.BiYyYOKJ.woff2)format("woff2"),url(/vpn-is-the-door/_astro/atkinson-hyperlegible-mono-latin-600-normal.CuPF9o0F.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light;--paper:#f4f5f3;--sheet:#fff;--ink:#17191c;--ink-2:#4a5058;--ink-3:#5e656d;--line:#80878f;--hair:#d3d7da;--room:#eceeef;--wall:#23272b;--intruder:#e03a00;--intruder-fill:#ff4b00;--intruder-tint:#ffe9df;--intruder-text:#c2340a;--caution:#f2e700;--caution-ink:#17191c;--safe:#00764a;--safe-fill:#00b06b;--instruct:#1757c9;--instruct-fill:#1971ff;--marker:#fff6b0;--font-en:"Public Sans", "BIZ UDPGothic", system-ui, sans-serif;--font-ja:"BIZ UDPGothic", "Public Sans", sans-serif;--font-mono:"Atkinson Hyperlegible Mono", "BIZ UDGothic", ui-monospace, monospace;--font:var(--font-en);--measure:66ch;--wide:76rem;--gutter:clamp(1rem, 4vw, 2.5rem);--ease:cubic-bezier(.2, .7, .2, 1)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--paper:#101214;--sheet:#171a1d;--ink:#e9ebed;--ink-2:#aeb4ba;--ink-3:#8e959c;--line:#6e767e;--hair:#2b3034;--room:#1f2327;--wall:#c9ced3;--intruder:#ff5a1f;--intruder-fill:#ff5a1f;--intruder-tint:#3a1a10;--intruder-text:#ff7a4d;--caution-ink:#111315;--safe:#45d198;--safe-fill:#2fc488;--instruct:#86afff;--instruct-fill:#5c95ff;--marker:#f2e70029}}:root[data-theme=dark]{color-scheme:dark;--paper:#101214;--sheet:#171a1d;--ink:#e9ebed;--ink-2:#aeb4ba;--ink-3:#8e959c;--line:#6e767e;--hair:#2b3034;--room:#1f2327;--wall:#c9ced3;--intruder:#ff5a1f;--intruder-fill:#ff5a1f;--intruder-tint:#3a1a10;--intruder-text:#ff7a4d;--caution-ink:#111315;--safe:#45d198;--safe-fill:#2fc488;--instruct:#86afff;--instruct-fill:#5c95ff;--marker:#f2e70029}:root:lang(ja){--font:var(--font-ja);--measure:38em}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font-family:var(--font);font-kerning:normal;margin:0;font-size:1.125rem;line-height:1.6}:lang(ja) body,body:lang(ja){letter-spacing:.02em;font-size:1.0625rem;line-height:1.8}@media (width<=45em){body{font-size:1.0625rem}:lang(ja) body,body:lang(ja){font-size:1rem}}h1,h2,h3,h4{font-family:var(--font);color:var(--ink);text-wrap:balance;margin:0}h1{letter-spacing:-.01em;font-size:clamp(2.125rem,1.6rem + 2.2vw,2.875rem);font-weight:800;line-height:1.12}h2{font-size:clamp(1.5625rem,1.3rem + 1vw,1.875rem);font-weight:750;line-height:1.2}h3{font-size:clamp(1.1875rem,1.1rem + .3vw,1.3125rem);font-weight:700;line-height:1.3}:lang(ja) h1{letter-spacing:.01em;font-size:clamp(1.75rem,1.4rem + 1.6vw,2.375rem);font-weight:700;line-height:1.4}:lang(ja) h2{font-size:clamp(1.4375rem,1.25rem + .8vw,1.75rem);font-weight:700;line-height:1.45}:lang(ja) h3{font-size:clamp(1.125rem,1.05rem + .3vw,1.25rem);line-height:1.5}p,li,dd,td,th,figcaption{overflow-wrap:anywhere}p{text-wrap:pretty;margin:0 0 1em}a{color:var(--instruct);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--instruct);outline-offset:2px}code,kbd,samp,.mono{font-family:var(--font-mono);letter-spacing:0;font-size:.9em}:not(pre)>code{background:var(--room);border-radius:2px;padding:.05em .3em}pre{font-family:var(--font-mono);border:1px solid var(--hair);background:var(--sheet);max-inline-size:100%;padding:1rem 1.25rem;font-size:.9375rem;line-height:1.5;overflow-x:auto}.num,table{font-family:var(--font-en);font-variant-numeric:tabular-nums lining-nums}:lang(ja) table{font-family:var(--font-ja)}:lang(ja) table .num{font-family:var(--font-en)}table{border-collapse:collapse;inline-size:100%;font-size:1rem;line-height:1.5}th,td{text-align:start;vertical-align:top;border-block-end:1px solid var(--hair);padding:.5rem .75rem .5rem 0}th{border-block-end:2px solid var(--ink);font-weight:700}td.num,th.num{text-align:end}td.num{white-space:nowrap}td.num:first-child,th.num:first-child{text-align:start}hr{border:0;border-block-start:1px solid var(--hair);margin:3rem 0}mark{color:inherit;box-shadow:inset 0 -.4em 0 var(--marker);background:0 0}:target{scroll-margin-block-start:6rem}.visually-hidden{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;overflow:hidden;position:absolute!important}.prose>*{max-inline-size:var(--measure)}.prose>:is(figure,.wide,table,.table-scroll,.cut,.summary,.scrolly,.route-views,.explorer,.sandbox){max-inline-size:none}.prose h2{flex-wrap:wrap;align-items:baseline;gap:.75rem;margin-block:3.5rem 1rem;display:flex}.prose h3{margin-block:2.25rem .75rem}.prose ul,.prose ol{margin:0 0 1em;padding-inline-start:1.25em}.prose li{margin-block:.25em}.prose li::marker{color:var(--ink-3)}.prose blockquote{border-inline-start:2px solid var(--ink);color:var(--ink-2);margin:1.5rem 0;padding:.25rem 0 .25rem 1.25rem}.prose blockquote p:last-child{margin:0}.table-scroll{max-inline-size:100%;margin-block:1.5rem 2rem;overflow-x:auto}.table-scroll :is(td,th){overflow-wrap:break-word}.scale{font-family:var(--font-mono);letter-spacing:0;color:var(--ink-3);white-space:nowrap;vertical-align:.2em;border:1px solid;padding:.3em .45em .25em;font-size:.875rem;font-weight:400;line-height:1;display:inline-block}svg.dg{block-size:auto;inline-size:100%;max-inline-size:100%;font-family:var(--font);font-size:18px;display:block;overflow:visible}.dg text{fill:var(--ink)}.dg .label{fill:var(--ink-2)}.dg .muted{fill:var(--ink-3)}.dg .mono{font-family:var(--font-mono)}.dg .mono:not([font-size]){font-size:16px}.dg .wall{fill:none;stroke:var(--wall);stroke-width:8px;stroke-linejoin:miter}.dg .iwall{fill:none;stroke:var(--wall);stroke-width:4px;stroke-linecap:square}.dg .floor{fill:var(--room)}.dg .gap{fill:var(--room);stroke:none}.dg .gap-out{fill:var(--sheet);stroke:none}.dg .leaf{fill:none;stroke:var(--ink);stroke-width:2px;stroke-linecap:round}.dg .swing{fill:none;stroke:var(--line);stroke-width:1px}.dg .glass{fill:none;stroke:var(--ink);stroke-width:1px}.dg .thick{fill:none;stroke:var(--ink);stroke-width:2px}.dg .thin{fill:none;stroke:var(--line);stroke-width:1px}.dg .dash{fill:none;stroke:var(--line);stroke-width:1px;stroke-dasharray:5 4}.dg .chain{fill:none;stroke:var(--ink-2);stroke-width:1px;stroke-dasharray:12 3 2 3}.dg .route{fill:none;stroke:var(--intruder);stroke-width:3px;stroke-dasharray:8 4;stroke-linecap:butt}.dg .unit{fill:var(--ink-2)}.dg .unit.hot{fill:var(--intruder)}.dg .hot-text{fill:var(--intruder-text);font-weight:700}.dg .station circle{fill:var(--sheet);stroke:var(--intruder);stroke-width:1.5px}.dg .station text{font-family:var(--font-en);fill:var(--intruder-text);font-weight:700}.dg .station text:not([font-size]){font-size:15px}.dg .safe-bar{stroke:var(--safe);stroke-width:6px;stroke-linecap:butt}.dg .safe-text{fill:var(--safe);font-weight:700}.dg .caution-tag rect{fill:var(--caution);stroke:var(--caution-ink);stroke-width:1px}.dg .caution-tag text{fill:var(--caution-ink);font-weight:700}.tag-caution,.tag-intruder,.tag-safe{border:1px solid var(--caution-ink);white-space:nowrap;padding:.1em .45em;font-size:.875rem;font-weight:700;line-height:1.3;display:inline-block}.tag-caution{background:var(--caution);color:var(--caution-ink)}.tag-intruder{background:var(--intruder-fill);color:var(--caution-ink)}.tag-safe{background:var(--safe-fill);color:var(--caution-ink)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:0s!important;animation-duration:0s!important}}:root[data-motion=off] *,:root[data-motion=off] :before,:root[data-motion=off] :after{transition-duration:0s!important;animation-duration:0s!important}.search[data-astro-cid-ca2dkxmp]{border:2px solid var(--ink);background:var(--sheet);max-block-size:min(40rem,80vh);inline-size:min(44rem,100vw - 2rem);max-inline-size:none;color:var(--ink);margin:9vh auto auto;padding:0}.search[data-astro-cid-ca2dkxmp][open]{flex-direction:column;display:flex}.search[data-astro-cid-ca2dkxmp]::backdrop{background:#1012148c}.search-head[data-astro-cid-ca2dkxmp]{border-block-end:2px solid var(--ink);align-items:center;gap:.75rem;padding:.75rem 1rem;display:flex}.search-glass[data-astro-cid-ca2dkxmp]{fill:none;block-size:1.25rem;inline-size:1.25rem;stroke:var(--ink-2);stroke-width:2px;flex:none}.search-head[data-astro-cid-ca2dkxmp] input[data-astro-cid-ca2dkxmp]{min-inline-size:0;font:inherit;color:var(--ink);background:0 0;border:0;flex:1;padding:.25rem 0;font-size:1.1875rem}.search-head[data-astro-cid-ca2dkxmp] input[data-astro-cid-ca2dkxmp]:focus{outline:none}.search-head[data-astro-cid-ca2dkxmp]:focus-within{box-shadow:inset 0 -3px 0 var(--instruct)}.search-head[data-astro-cid-ca2dkxmp] input[data-astro-cid-ca2dkxmp]::-webkit-search-cancel-button{appearance:none}.search-esc[data-astro-cid-ca2dkxmp]{font-family:var(--font-mono);color:var(--ink-2);border:1px solid var(--ink-3);cursor:pointer;background:0 0;padding:.05rem .4rem;font-size:.875rem}.search-esc[data-astro-cid-ca2dkxmp]:hover{color:var(--ink);border-color:var(--ink)}.search-body[data-astro-cid-ca2dkxmp]{flex:1;min-block-size:0;overflow-y:auto}.search-body[data-astro-cid-ca2dkxmp]:focus-visible{outline-offset:-2px}.search-hint[data-astro-cid-ca2dkxmp]{color:var(--ink-2);margin:0;padding:1.5rem 1rem;font-size:.9375rem}.search-results[data-astro-cid-ca2dkxmp]{margin:0;padding:0;list-style:none}.search-results[data-astro-cid-ca2dkxmp] [role=option]{border-block-end:1px solid var(--hair);cursor:pointer;grid-template-columns:9.5rem minmax(0,1fr);align-items:baseline;gap:.25rem 1rem;padding:.75rem 1rem;display:grid}.search-results[data-astro-cid-ca2dkxmp] [role=option][aria-selected=true]{background:var(--marker);box-shadow:inset 3px 0 0 var(--ink)}.search-results[data-astro-cid-ca2dkxmp] .r-kind{color:var(--ink-3);gap:.1rem;font-size:.875rem;font-weight:700;line-height:1.35;display:grid}.search-results[data-astro-cid-ca2dkxmp] .r-scale{font-family:var(--font-mono);font-weight:400}.search-results[data-astro-cid-ca2dkxmp] .r-body{gap:.15rem;min-inline-size:0;display:grid}.search-results[data-astro-cid-ca2dkxmp] .r-title{font-size:1.0625rem;font-weight:700;line-height:1.35}.search-results[data-astro-cid-ca2dkxmp] .r-excerpt{color:var(--ink-2);-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;font-size:.9375rem;line-height:1.5;display:-webkit-box;overflow:hidden}.search-results[data-astro-cid-ca2dkxmp] mark{color:var(--ink);box-shadow:inset 0 -.4em 0 var(--marker);background:0 0;font-weight:700}.search-results[data-astro-cid-ca2dkxmp] [aria-selected=true] mark{box-shadow:inset 0 -2px 0 var(--ink)}.search-results[data-astro-cid-ca2dkxmp] .search-none{color:var(--ink-2);padding:1.5rem 1rem;font-size:.9375rem}.search-foot[data-astro-cid-ca2dkxmp]{border-block-start:1px solid var(--ink);color:var(--ink-3);flex-wrap:wrap;justify-content:space-between;gap:.25rem 1rem;padding:.5rem 1rem;font-size:.875rem;display:flex}.search-keys[data-astro-cid-ca2dkxmp]{font-family:var(--font-mono)}@media (width<=30em){.search[data-astro-cid-ca2dkxmp]{margin-block-start:1rem}.search-results[data-astro-cid-ca2dkxmp] [role=option]{grid-template-columns:minmax(0,1fr)}.search-keys[data-astro-cid-ca2dkxmp]{display:none}}.skip[data-astro-cid-hkbrpulz]{background:var(--sheet);z-index:10;padding:.5rem .75rem;position:absolute;inset-block-start:-3rem;inset-inline-start:1rem}.skip[data-astro-cid-hkbrpulz]:focus{inset-block-start:.5rem}.masthead[data-astro-cid-hkbrpulz]{background:var(--sheet);border-block-end:2px solid var(--ink)}.bar[data-astro-cid-hkbrpulz]{max-inline-size:var(--wide);padding:.75rem var(--gutter) .5rem;flex-wrap:wrap;align-items:baseline;gap:.5rem 1.5rem;margin-inline:auto;display:flex}.mark[data-astro-cid-hkbrpulz]{color:var(--ink);letter-spacing:-.005em;font-size:1.125rem;font-weight:800;text-decoration:none}.controls[data-astro-cid-hkbrpulz]{flex-wrap:wrap;align-items:center;gap:.5rem 1rem;margin-inline-start:auto;font-size:.875rem;display:flex}.ctl[data-astro-cid-hkbrpulz]{font:inherit;color:var(--ink-2);cursor:pointer;background:0 0;border:0;align-items:center;gap:.35rem;padding:.25rem 0;font-size:.875rem;display:inline-flex}.ctl-k[data-astro-cid-hkbrpulz]{color:var(--ink-3)}.ctl[data-astro-cid-hkbrpulz] input[data-astro-cid-hkbrpulz]{accent-color:var(--ink);block-size:1rem;inline-size:1rem;margin:0}.search-open[data-astro-cid-hkbrpulz]{color:var(--ink);border:1px solid var(--ink-3);padding:.2rem .4rem .2rem .5rem}.search-open[data-astro-cid-hkbrpulz]:hover{border-color:var(--ink);background:var(--marker)}.search-open[data-astro-cid-hkbrpulz] svg[data-astro-cid-hkbrpulz]{fill:none;stroke:currentColor;stroke-width:2.25px;block-size:1rem;inline-size:1rem}.search-open[data-astro-cid-hkbrpulz] kbd[data-astro-cid-hkbrpulz]{font-family:var(--font-mono);color:var(--ink-3);border-inline-start:1px solid var(--hair);padding-inline-start:.4rem;font-size:.875rem}.lang[data-astro-cid-hkbrpulz]{color:var(--instruct);font-weight:700}.strip[data-astro-cid-hkbrpulz]{max-inline-size:var(--wide);padding-inline:var(--gutter);margin-inline:auto;overflow-x:auto}.strip[data-astro-cid-hkbrpulz] ol[data-astro-cid-hkbrpulz]{gap:0;min-inline-size:max-content;margin:0;padding:0;list-style:none;display:flex}.strip[data-astro-cid-hkbrpulz] a[data-astro-cid-hkbrpulz]{color:var(--ink-3);border-block-end:3px solid #0000;grid-template-rows:auto auto;grid-template-columns:auto auto;column-gap:.4rem;margin-block-end:-2px;margin-inline-end:1rem;padding:.5rem 1rem .55rem 0;font-size:.9375rem;line-height:1.3;text-decoration:none;display:grid}.strip[data-astro-cid-hkbrpulz] a[data-astro-cid-hkbrpulz]:hover{color:var(--ink)}.strip[data-astro-cid-hkbrpulz] a[data-astro-cid-hkbrpulz][aria-current=page]{color:var(--ink);border-block-end-color:var(--ink);font-weight:700}.strip-n[data-astro-cid-hkbrpulz]{font-family:var(--font-en);font-variant-numeric:tabular-nums;grid-row:span 2;font-weight:700}@media (width<=45em){.controls[data-astro-cid-hkbrpulz]{scrollbar-width:none;flex-wrap:nowrap;flex:1 0 100%;gap:0 .55rem;block-size:2.25rem;margin-inline-start:0;overflow:auto hidden}.ctl[data-astro-cid-hkbrpulz]{white-space:nowrap;flex:none}.search-open[data-astro-cid-hkbrpulz] kbd[data-astro-cid-hkbrpulz]{display:none}.ctl[data-astro-cid-hkbrpulz]{font-size:.8125rem}}@media (width<=22.5em){.ctl-k[data-astro-cid-hkbrpulz]{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}}main[data-astro-cid-hkbrpulz]{outline:none}.foot[data-astro-cid-hkbrpulz]{border-block-start:2px solid var(--ink);background:var(--sheet);color:var(--ink-2);margin-block-start:6rem;font-size:.9375rem}.foot-in[data-astro-cid-hkbrpulz]{max-inline-size:var(--wide);padding:2rem var(--gutter) 3rem;margin-inline:auto}.foot-in[data-astro-cid-hkbrpulz] p[data-astro-cid-hkbrpulz]{max-inline-size:var(--measure)}.foot-links[data-astro-cid-hkbrpulz]{flex-wrap:wrap;gap:.5rem 1.5rem;margin:1rem 0;padding:0;list-style:none;display:flex}.foot-meta[data-astro-cid-hkbrpulz]{color:var(--ink-3);font-size:.875rem}