@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--ease-out:cubic-bezier(0, 0, .2, 1);--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.sticky{position:sticky}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.hidden{display:none}.inline{display:inline}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.border{border-style:var(--tw-border-style);border-width:1px}.lowercase{text-transform:lowercase}.italic{font-style:italic}.underline{text-decoration-line:underline}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--bg:#fff;--bg-subtle:#f6f6f5;--border:#ebebea;--border-strong:#d9d9d7;--text:#1a1a1a;--text-body:#363636;--text-muted:#767676;--text-faint:#6f6f6c;--link:#0f6bb5;--link-hover:#0a5292;--code-bg:#24292f;--code-text:#dfe5ec;--code-chip:#8b949e;--w-wide:1040px;--w-article:680px;--gutter:24px;--header-h:60px;--motion-fast:.14s;--motion-medium:.24s;--ease-out:cubic-bezier(.22, 1, .36, 1);--font-sans:-apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic Medium", "Yu Gothic", Meiryo, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{background:var(--bg);color:var(--text-body);font-family:var(--font-sans);font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased;scroll-behavior:auto;-moz-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:16px}body{letter-spacing:.015em;flex-direction:column;min-height:100dvh;margin:0;font-size:16px;line-height:1.85;display:flex}h1,h2,h3,h4{color:var(--text);letter-spacing:.01em;font-weight:700;line-height:1.55}a{color:inherit;text-decoration:none}img{max-width:100%}:focus-visible{outline:2px solid var(--text);outline-offset:3px;border-radius:2px}::selection{background:#dbe9f6}.skip-link{z-index:200;background:var(--text);color:#fff;border-radius:6px;padding:10px 18px;font-size:.85rem;font-weight:700;position:fixed;top:10px;left:10px;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.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}.container{width:100%;max-width:calc(var(--w-wide) + var(--gutter) * 2);padding-inline:var(--gutter);margin-inline:auto}.container-narrow{width:100%;max-width:calc(var(--w-article) + var(--gutter) * 2);padding-inline:var(--gutter);margin-inline:auto}.site-main{flex:1 0 auto;padding-bottom:96px}.site-header{border-bottom:1px solid var(--border);background:var(--bg);view-transition-name:site-header}.site-header-inner{min-height:var(--header-h);justify-content:space-between;align-items:center;gap:20px;display:flex}.brand{min-width:0;color:var(--text);letter-spacing:.01em;text-overflow:ellipsis;white-space:nowrap;font-size:1.02rem;font-weight:700;overflow:hidden}.site-nav{white-space:nowrap;flex:none;align-items:center;gap:22px;display:flex}.site-nav a{color:var(--text-muted);font-size:.86rem;transition:color .15s}.site-nav a:hover{color:var(--text)}.site-footer{border-top:1px solid var(--border);flex:none}.site-footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:24px 48px;padding-block:40px 12px;display:flex}.site-profile{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:0 14px;display:grid}.site-profile .avatar{grid-row:1/3}.site-profile strong{color:var(--text);font-size:.92rem}.site-profile p{max-width:30em;color:var(--text-muted);grid-column:2;margin:6px 0 0;font-size:.82rem;line-height:1.8}.article-rail .site-profile{gap:0 10px}.article-rail .site-profile .avatar{grid-row:1;width:34px;height:34px;font-size:.86rem}.article-rail .site-profile strong{font-size:.82rem}.article-rail .site-profile p{grid-column:1/-1;margin-top:12px;font-size:.74rem;line-height:1.75}.site-footer nav{flex-wrap:wrap;gap:8px 22px;display:flex}.site-footer nav a{color:var(--text-muted);font-size:.82rem}.site-footer nav a:hover{color:var(--text);text-underline-offset:3px;text-decoration:underline}.site-footer-base{color:var(--text-faint);letter-spacing:.04em;padding-block:12px 32px;font-size:.75rem}.hero{border-bottom:1px solid var(--border);background:var(--bg-subtle);text-align:center;padding-block:104px}.hero h1{letter-spacing:.05em;margin:0;font-size:clamp(1.9rem,6vw,3rem);line-height:1.3}.hero p{max-width:32em;color:var(--text-muted);margin:20px auto 0;font-size:.95rem;line-height:1.95}.section{padding-top:44px}.section-head{border-bottom:1px solid var(--border);margin-bottom:4px;padding-bottom:12px}.section-head h2{margin:0;font-size:1rem}.section-head-split{justify-content:space-between;align-items:center;gap:20px;display:flex}.section-link{color:var(--text-muted);align-items:center;gap:6px;font-size:.8rem;display:inline-flex}.section-link:hover,.section-link:focus-visible{color:var(--link)}.section-link span{transition:transform var(--motion-fast) var(--ease-out)}.section-link:hover span,.section-link:focus-visible span{transform:translate(2px)}.post-list{margin:0;padding:0;list-style:none}.post-item{border-bottom:1px solid var(--border);transition:transform var(--motion-fast) var(--ease-out);grid-template-columns:auto minmax(0,1fr);align-items:center;gap:24px;padding-block:28px;display:grid;position:relative}.post-item-meta{color:var(--text-faint);flex-wrap:wrap;align-items:baseline;gap:4px 14px;margin-top:10px;font-size:.78rem;display:flex}.post-item-title{margin:0;font-size:1.13rem;line-height:1.6}.post-item-title a:after{content:"";position:absolute;inset:0}.post-item:hover .post-item-title,.post-item:focus-within .post-item-title{color:var(--link)}.post-item:active{transform:translateY(1px)}.post-item p{color:var(--text-muted);-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;margin:8px 0 0;font-size:.87rem;line-height:1.85;display:-webkit-box;overflow:hidden}.thumb{aspect-ratio:16/9;border:1px solid var(--border);background:var(--bg-subtle);border-radius:8px;width:180px;position:relative;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:100%;transition:transform var(--motion-medium) var(--ease-out);display:block}.post-item:hover .thumb img,.post-item:focus-within .thumb img{transform:scale(1.025)}.tag{color:var(--text-faint);font-size:.78rem}.meta{color:var(--text-faint);flex-wrap:wrap;align-items:center;gap:4px 12px;font-size:.8rem;display:flex}.meta-dot:before{content:"·";margin-right:12px}.empty-state{color:var(--text-muted);margin:0;padding:56px 0;font-size:.9rem}.article-index{padding-block:56px 0}.article-index-header{border-bottom:1px solid var(--border);padding-bottom:32px}.article-index-kicker{color:var(--text-faint);letter-spacing:.14em;margin:0 0 8px;font-size:.72rem;font-weight:600}.article-index-header h1{margin:0;font-size:clamp(1.5rem,4.4vw,1.9rem);line-height:1.5}.article-index-description{max-width:46em;color:var(--text-muted);margin:12px 0 0;font-size:.9rem;line-height:1.9;display:block}.static-page{padding-block:56px 0}.static-page h1{margin:0;font-size:clamp(1.5rem,4.4vw,1.9rem);line-height:1.5}.static-page>p:first-of-type{color:var(--text-muted);margin:16px 0 0;font-size:.92rem;line-height:1.9}.static-page h2{border-bottom:1px solid var(--border);margin:2.8em 0 1em;padding-bottom:.45em;font-size:1.08rem}.static-page section p{margin:0 0 1.5em;font-size:.95rem;line-height:1.95}.static-page section p:last-child{margin-bottom:0}.static-page ul{margin:0 0 1.5em;padding-left:1.4em;font-size:.95rem;line-height:1.95;list-style:outside}.static-page li::marker{color:var(--text-faint)}.static-page a{color:var(--link);text-underline-offset:4px;text-decoration:underline}.static-page a:hover{color:var(--link-hover)}.page-updated{color:var(--text-faint);margin:48px 0 0;font-size:.8rem}.contact-form{gap:24px;margin-top:36px;display:grid;position:relative}.contact-form-note{color:var(--text-faint);margin:16px 2px 0;font-size:.78rem;line-height:1.8}.contact-form-note a{margin-inline:.2em}.contact-form-trap{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.contact-field{gap:8px;display:grid}.contact-field label{color:var(--text);font-size:.88rem;font-weight:700}.contact-field label span{color:var(--text-faint);letter-spacing:.08em;margin-left:7px;font-size:.65rem;font-weight:600;display:inline-block}.contact-field input,.contact-field textarea{border:1px solid var(--border-strong);background:var(--bg);width:100%;color:var(--text-body);font:inherit;transition:border-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease;border-radius:7px;font-size:.95rem;line-height:1.7}.contact-field input{min-height:48px;padding:9px 12px}.contact-field textarea{resize:vertical;min-height:176px;padding:11px 12px}.contact-field input:hover,.contact-field textarea:hover{border-color:#bcbcb9}.contact-field input:focus,.contact-field textarea:focus{border-color:var(--text-muted);box-shadow:0 0 0 3px var(--text)}@supports (color:color-mix(in lab, red, red)){.contact-field input:focus,.contact-field textarea:focus{box-shadow:0 0 0 3px color-mix(in srgb, var(--text) 8%, transparent)}}.contact-field input:focus,.contact-field textarea:focus{outline:none}.contact-field input[aria-invalid=true],.contact-field textarea[aria-invalid=true]{border-color:#b42318}.contact-consent{gap:6px;display:grid}.contact-consent label{width:fit-content;color:var(--text-body);cursor:pointer;align-items:center;gap:10px;font-size:.86rem;line-height:1.6;display:inline-flex}.contact-consent input{width:17px;height:17px;accent-color:var(--text);margin:0}.contact-field-error{color:#b42318;margin:0;font-size:.78rem;line-height:1.6}.contact-turnstile{min-height:0}.contact-form-result{border-left:2px solid var(--border-strong);background:var(--bg-subtle);color:var(--text-body);margin:0;padding:12px 14px;font-size:.84rem;line-height:1.7}.contact-form-result.is-error{border-left-color:#b42318}.contact-confirmation{gap:18px;display:grid}.static-page h2.contact-confirmation-title{border:0;margin:0;padding:0;font-size:1.05rem}.contact-confirmation-title:focus{outline:none}.contact-confirmation-intro{color:var(--text-muted);margin:0;font-size:.88rem;line-height:1.8}.contact-confirmation-list{border-top:1px solid var(--border);margin:0}.contact-confirmation-list>div{border-bottom:1px solid var(--border);grid-template-columns:9em minmax(0,1fr);gap:8px 20px;padding-block:16px;display:grid}.contact-confirmation-list dt{color:var(--text-muted);font-size:.82rem;font-weight:700}.contact-confirmation-list dd{min-width:0;color:var(--text-body);overflow-wrap:anywhere;margin:0;font-size:.9rem;line-height:1.75}.contact-confirmation-message{white-space:pre-wrap}.contact-actions{flex-wrap:wrap;gap:12px;display:flex}.contact-submit,.contact-edit{border:1px solid var(--text);background:var(--text);width:fit-content;min-width:136px;min-height:46px;color:var(--bg);cursor:pointer;font:inherit;transition:opacity var(--motion-fast) ease, background var(--motion-fast) ease, color var(--motion-fast) ease;border-radius:7px;padding:10px 24px;font-size:.88rem;font-weight:700}.contact-submit:hover:not(:disabled){background:var(--text-body)}.contact-edit{background:var(--bg);color:var(--text)}.contact-edit:hover:not(:disabled){background:var(--bg-subtle)}.contact-submit:disabled,.contact-edit:disabled{cursor:not-allowed;opacity:.45}.contact-security-status{color:var(--text-faint);margin:-14px 0 0;font-size:.75rem;line-height:1.6}.contact-security-status.is-error{color:#b42318}.contact-form-unavailable{border:1px solid var(--border);background:var(--bg-subtle);border-radius:10px;margin-top:32px;padding:28px 30px}.contact-form-unavailable strong{color:var(--text);font-size:.95rem}.contact-form-unavailable p{color:var(--text-muted);margin:6px 0 0;font-size:.85rem}.info-list{border-top:1px solid var(--border);margin:28px 0 0}.info-list>div{border-bottom:1px solid var(--border);grid-template-columns:9em minmax(0,1fr);gap:4px 20px;padding-block:16px;display:grid}.info-list dt{color:var(--text-muted);font-size:.85rem}.info-list dd{margin:0;font-size:.93rem;line-height:1.8}.article-layout{grid-template-columns:minmax(0, var(--w-article)) 220px;justify-content:center;align-items:start;gap:64px;display:grid}.article-column{min-width:0}.reading-progress{z-index:110;pointer-events:none;height:2px;position:fixed;top:0;left:0;right:0}.reading-progress span{background:var(--link);transform-origin:0;will-change:transform;width:100%;height:100%;display:block;transform:scaleX(0)}.breadcrumb{color:var(--text-faint);white-space:nowrap;align-items:center;gap:8px;margin-top:40px;font-size:.78rem;display:flex;overflow:hidden}.breadcrumb a:hover{color:var(--text);text-underline-offset:3px;text-decoration:underline}.breadcrumb span:last-child{text-overflow:ellipsis;overflow:hidden}.article{padding-top:48px;position:relative}.article-cover{aspect-ratio:40/21;background:var(--bg-subtle);border-radius:10px;margin-bottom:28px;position:relative;overflow:hidden}.article-cover img{object-fit:cover;width:100%;height:100%;display:block}.article-header h1{letter-spacing:.005em;margin:10px 0 0;font-size:clamp(1.55rem,4.6vw,1.95rem);line-height:1.5}.article-lead{color:var(--text-muted);margin:16px 0 0;font-size:.92rem;line-height:1.9}.article-tags{flex-wrap:wrap;gap:4px 14px;margin-top:14px;display:flex}.toc{--toc-dot:9px;--toc-dot-sub:7px;--toc-gap:12px;--toc-row-pad:6px;--toc-font:.87rem;--toc-font-sub:.84rem;--toc-lh:1.7;--toc-color:var(--text-body);--toc-color-sub:var(--text-muted);border:1px solid var(--border);border-radius:8px;margin:40px 0 0;padding:18px 22px}.toc>summary{color:var(--text);cursor:pointer;font-size:.9rem;font-weight:700;list-style:none}.toc>summary::-webkit-details-marker{display:none}.toc>summary:after{float:right;color:var(--text-faint);content:"閉じる";font-size:.75rem;font-weight:400}.toc:not([open])>summary:after{content:"開く"}.toc-outline,.toc-outline-sub{margin:0;padding:0;list-style:none}.toc-outline{font-size:var(--toc-font);position:relative}.toc-outline:before{top:calc(var(--toc-row-pad) + .5em * var(--toc-lh));bottom:calc(var(--toc-row-pad) + .5em * var(--toc-lh));left:calc(var(--toc-dot) / 2 - .5px);background:var(--border);content:"";width:1px;position:absolute}.toc-outline a{align-items:flex-start;gap:var(--toc-gap);padding:var(--toc-row-pad) 0;color:var(--toc-color);font-size:inherit;line-height:var(--toc-lh);transition:color var(--motion-fast) ease;display:flex}.toc-outline a:before{width:var(--toc-dot);height:var(--toc-dot);margin-top:calc((1em * var(--toc-lh) - var(--toc-dot)) / 2);border:1px solid var(--border-strong);background:var(--bg);content:"";transition:background var(--motion-fast) ease, border-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease;border-radius:50%;flex:none;position:relative}.toc-outline-sub a{gap:calc(var(--toc-gap) + 12px);color:var(--toc-color-sub);font-size:var(--toc-font-sub)}.toc-outline-sub a:before{width:var(--toc-dot-sub);height:var(--toc-dot-sub);margin-top:calc((1em * var(--toc-lh) - var(--toc-dot-sub)) / 2);margin-left:calc((var(--toc-dot) - var(--toc-dot-sub)) / 2)}.toc-outline a:hover,.toc-outline a[aria-current=location]{color:var(--text)}.toc-outline a:hover:before{border-color:var(--link)}.toc-outline a[aria-current=location]:before{border-color:var(--link);background:var(--link);box-shadow:0 0 0 3px var(--link)}@supports (color:color-mix(in lab, red, red)){.toc-outline a[aria-current=location]:before{box-shadow:0 0 0 3px color-mix(in srgb, var(--link) 16%, transparent)}}.toc .toc-outline{margin-top:12px}.article-rail{--toc-dot:8px;--toc-dot-sub:6px;--toc-gap:11px;--toc-row-pad:6px;--toc-font:.76rem;--toc-font-sub:.74rem;--toc-lh:1.6;--toc-color:var(--text-muted);--toc-color-sub:var(--text-faint);overscroll-behavior:contain;max-height:calc(100dvh - 56px);margin-top:48px;display:none;position:sticky;top:28px;overflow-y:auto}.article-rail .site-profile{border-bottom:1px solid var(--border);padding-bottom:20px}.article-rail .site-profile+nav{margin-top:22px}.article-rail nav{padding-left:4px}.article-rail nav>p{color:var(--text);margin:0 0 10px;font-size:.78rem;font-weight:700}.article-body{color:var(--text-body);letter-spacing:.01em;overflow-wrap:anywhere;margin-top:44px;font-size:1rem;line-height:1.9}.article-body .notion-block>p{margin:0 0 1.5em}.article-body h2,.article-body h3,.article-body h4{text-wrap:pretty;scroll-margin-top:20px;line-height:1.5}.article-body>.notion-block:first-child>:is(h2,h3,h4){margin-top:0}.article-body h2{border-bottom:1px solid var(--border-strong);margin:2.3em 0 1.1rem;padding-bottom:.3em;font-size:1.5rem}.article-body h3{margin:2.25em 0 .65em;font-size:1.25rem}.article-body h4{margin:2.1em 0 .6em;font-size:1.08rem}.article-body a{color:var(--link);text-decoration:underline;-webkit-text-decoration-color:var(--link);-webkit-text-decoration-color:var(--link);-webkit-text-decoration-color:var(--link);text-decoration-color:var(--link)}@supports (color:color-mix(in lab, red, red)){.article-body a{-webkit-text-decoration-color:color-mix(in srgb, var(--link) 35%, transparent);-webkit-text-decoration-color:color-mix(in srgb, var(--link) 35%, transparent);-webkit-text-decoration-color:color-mix(in srgb, var(--link) 35%, transparent);text-decoration-color:color-mix(in srgb, var(--link) 35%, transparent)}}.article-body a{text-underline-offset:4px;text-decoration-thickness:1px;transition:color .15s}.article-body a:hover{color:var(--link-hover);text-decoration-color:currentColor}.article-body strong{color:var(--text);font-weight:700}.article-body :not(pre)>code{background:var(--bg-subtle);color:var(--text);font-family:var(--font-mono);border-radius:4px;margin:0 .1em;padding:.15em .45em;font-size:.85em}ul.notion-list{list-style:outside}ol.notion-list{list-style:decimal}.notion-list{margin:1.4em 0 1.8em;padding-left:1.6em}.notion-list li{margin:.45em 0;padding-left:.2em}.notion-list li::marker{color:var(--text-faint)}.notion-list .notion-list{margin:.45em 0 .3em}.article-body blockquote{border-left:3px solid var(--border-strong);color:var(--text-muted);margin:2em 0;padding:.2em 0 .2em 1.2em;font-size:.97em}.article-body blockquote>:last-child{margin-bottom:0}.notion-callout{background:var(--bg-subtle);color:var(--text-body);border-radius:8px;grid-template-columns:auto minmax(0,1fr);gap:12px;margin:2em 0;padding:18px 20px;font-size:.95em;display:grid}.notion-callout>span{font-size:1.05rem;line-height:1.7}.notion-callout p{margin:0}.notion-code{background:var(--code-bg);color:var(--code-text);border-radius:8px;margin:2em 0;overflow:hidden}.notion-code figcaption{color:var(--code-chip);font-family:var(--font-mono);padding:9px 16px 0;font-size:.72rem}.notion-code pre{margin:0;padding:16px 18px;line-height:1.75;overflow-x:auto}.notion-code code{font-family:var(--font-mono);letter-spacing:0;font-size:.85rem}.notion-table-scroll{border:1px solid var(--border);overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch;border-radius:8px;margin:2em 0;overflow-x:auto}.notion-table-scroll:focus-visible{outline:2px solid var(--link);outline-offset:3px}.notion-table{border-collapse:collapse;width:max-content;min-width:100%;font-size:.9em;line-height:1.7}.notion-table th,.notion-table td{border-right:1px solid var(--border);border-bottom:1px solid var(--border);text-align:left;vertical-align:top;min-width:8rem;padding:11px 14px}.notion-table tr>:last-child{border-right:0}.notion-table>:last-child tr:last-child>*{border-bottom:0}.notion-table thead th{background:var(--bg-subtle);color:var(--text);font-weight:700}.notion-table tbody th{background:var(--bg-subtle)}@supports (color:color-mix(in lab, red, red)){.notion-table tbody th{background:color-mix(in srgb, var(--bg-subtle) 65%, transparent)}}.notion-table tbody th{color:var(--text);font-weight:650}.article-body hr{border:0;border-top:1px solid var(--border);margin:3.5em 0}.image-pending,.notion-image{margin:2.2em 0}.notion-image img{border-radius:6px;width:100%;height:auto;display:block}.image-pending-frame{border:1px dashed var(--border-strong);min-height:180px;color:var(--text-faint);border-radius:6px;place-content:center;justify-items:center;gap:10px;padding:24px;display:grid}.image-pending-frame svg{fill:currentColor;opacity:.7;width:28px;height:28px}.image-pending-frame p{margin:0;font-size:.82rem}.image-pending figcaption,.notion-image figcaption{color:var(--text-faint);text-align:center;margin-top:10px;font-size:.78rem;line-height:1.7}.unsupported-block{border:1px dashed var(--border-strong);color:var(--text-faint);border-radius:6px;margin:1.6em 0;padding:12px 16px;font-size:.8rem}.share{border-top:1px solid var(--border);margin-top:56px;padding-top:28px}.share-title{color:var(--text-muted);margin:0 0 12px;font-size:.8rem}.share-list{flex-wrap:wrap;gap:8px;display:flex}.share-btn{border:1px solid var(--border-strong);background:var(--bg);color:var(--text-muted);cursor:pointer;font:inherit;border-radius:6px;align-items:center;gap:7px;padding:7px 14px;font-size:.82rem;transition:border-color .15s,color .15s;display:inline-flex}.share-btn:hover{border-color:var(--text-muted);color:var(--text)}.share-btn svg{fill:currentColor;width:14px;height:14px}.share-feedback{min-height:1.5em;color:var(--text-muted);margin:8px 0 0;font-size:.76rem}.author-box{border-top:1px solid var(--border);align-items:flex-start;gap:16px;margin-top:44px;padding-top:28px;display:flex}.avatar{background:var(--bg-subtle);width:44px;height:44px;color:var(--text-muted);letter-spacing:0;border-radius:999px;flex:none;place-items:center;font-size:1rem;font-weight:700;line-height:1;display:grid;overflow:hidden}.avatar img{object-fit:cover;width:100%;height:100%}.author-box-label{color:var(--text-faint);margin:0;font-size:.75rem}.author-box strong{color:var(--text);margin-top:2px;font-size:.95rem;display:block}.author-box p:last-child{color:var(--text-muted);margin:6px 0 0;font-size:.84rem;line-height:1.8}.related{margin-top:64px}.back-link{color:var(--text-muted);align-items:center;gap:8px;margin-top:48px;font-size:.88rem;transition:color .15s;display:inline-flex}.back-link:hover{color:var(--text);text-underline-offset:3px;text-decoration:underline}.state{text-align:center;place-content:center;min-height:56vh;padding:64px 24px;display:grid}.state p:first-child{color:var(--text-faint);letter-spacing:.14em;margin:0;font-size:.76rem}.state h1{margin:14px 0 10px;font-size:clamp(1.35rem,4vw,1.7rem)}.state>span{color:var(--text-muted);font-size:.9rem}.state .back-link,.state button{justify-self:center;margin-top:28px}.state button{border:1px solid var(--border-strong);background:var(--bg);color:var(--text-body);cursor:pointer;font:inherit;border-radius:6px;padding:9px 20px;font-size:.86rem}.state button:hover{border-color:var(--text-muted);color:var(--text)}.loading-state{min-height:50vh;color:var(--text-faint);place-content:center;font-size:.88rem;display:grid}.article-skeleton,.article-skeleton article{padding-top:24px}.skeleton-cover,.skeleton-heading,.skeleton-line{background:var(--bg-subtle);border-radius:5px;overflow:hidden}.skeleton-cover:after,.skeleton-heading:after,.skeleton-line:after{content:"";background:linear-gradient(90deg,#0000,#ffffffb8,#0000);width:55%;height:100%;animation:1.3s ease-in-out .14s infinite skeleton-shimmer;display:block;transform:translate(-120%)}.skeleton-line{width:100%;height:12px;margin-top:14px}.skeleton-cover{aspect-ratio:40/21;border-radius:10px;width:100%;margin-bottom:28px}.skeleton-meta{width:28%;height:10px;margin-top:0}.skeleton-title{width:92%;height:25px;margin-top:18px}.skeleton-title-short{width:58%;margin-top:10px}.skeleton-lead{width:74%;margin-top:24px}.skeleton-body{margin-top:76px}.skeleton-line-short{width:68%}.skeleton-heading{width:46%;height:20px;margin-top:54px}@keyframes skeleton-shimmer{to{transform:translate(240%)}}@media (min-width:981px){.toc-inline{display:none}.article-rail{display:block}}@media (max-width:640px){:root{--gutter:20px;--header-h:54px}body{font-size:15px}.hero{padding-block:64px}.article-index,.static-page{padding-block:36px 0}.info-list>div{grid-template-columns:1fr;gap:2px}.contact-confirmation-list>div{grid-template-columns:1fr;gap:3px}.post-item{gap:16px;padding-block:22px}.post-item-title{font-size:1rem}.post-item p{display:none}.thumb{border-radius:6px;width:110px}.article-cover{border-radius:8px;margin-bottom:22px}.article-body{margin-top:36px;font-size:1rem;line-height:1.9}.article-body h2{margin-top:2.3em;font-size:1.4rem}.article-body h3{margin-top:2.2em;font-size:1.2rem}.notion-callout{gap:10px;padding:15px 16px}.notion-table{font-size:.86em}.notion-table th,.notion-table td{min-width:7rem;padding:9px 11px}.site-footer-inner{flex-direction:column;gap:20px}}@media (max-width:980px){.article-layout{max-width:calc(var(--w-article) + var(--gutter) * 2);display:block}}@media (max-width:480px){.site-nav{gap:16px}.site-nav a{font-size:.82rem}.site-nav a:last-child{display:none}}::view-transition{pointer-events:none}::view-transition-old(root){animation:none}::view-transition-new(root){animation:none}::view-transition-group(site-header){z-index:100;animation:none}::view-transition-old(site-header){display:none}::view-transition-new(site-header){animation:none}::view-transition-group(.post-cover-morph){animation-duration:.32s;animation-timing-function:var(--ease-out);overflow:hidden}::view-transition-old(.nav-forward){animation:page-exit-forward var(--motion-fast) ease-in both}::view-transition-new(.nav-forward){animation:page-enter-forward var(--motion-medium) var(--ease-out) both}::view-transition-old(.nav-back){animation:page-exit-back var(--motion-fast) ease-in both}::view-transition-new(.nav-back){animation:page-enter-back var(--motion-medium) var(--ease-out) both}::view-transition-old(.nav-static){animation:.16s ease-in both page-exit-static}::view-transition-new(.nav-static){animation:page-enter-static .2s var(--ease-out) both}@keyframes page-exit-forward{to{opacity:0;transform:translate(-12px)}}@keyframes page-enter-forward{0%{opacity:0;transform:translate(12px)}}@keyframes page-exit-back{to{opacity:0;transform:translate(12px)}}@keyframes page-enter-back{0%{opacity:0;transform:translate(-12px)}}@keyframes page-exit-static{to{opacity:0}}@keyframes page-enter-static{0%{opacity:0}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}::view-transition-old(*){animation-duration:0s!important;animation-delay:0s!important}::view-transition-new(*){animation-duration:0s!important;animation-delay:0s!important}::view-transition-group(*){animation-duration:0s!important;animation-delay:0s!important}.skeleton-cover:after,.skeleton-heading:after,.skeleton-line:after{animation:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}