:root{scrollbar-gutter:stable;-webkit-text-size-adjust:100%;text-size-adjust:100%;color-scheme:light;color:#252b32;font-synthesis:none;text-rendering:optimizelegibility;line-break:strict;overflow-wrap:anywhere;--muted:#59636e;--accent:#185f75;--line:#e2e6e9;--font-heading:1rem;--font-body:.8125rem;--font-meta:.7rem;--header-offset:12rem;scroll-padding-top:var(--header-offset);background:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Kaku Gothic ProN,Hiragino Sans,BIZ UDPGothic,Yu Gothic,Meiryo,PingFang SC,Microsoft YaHei,Noto Sans CJK JP,Noto Sans CJK SC,sans-serif;font-size:calc(100% + 2pt)}*{box-sizing:border-box}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}body{font-size:var(--font-body);margin:0;line-height:1.75}a{color:var(--accent);text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.container{width:min(100% - 3rem,48rem);margin-inline:auto}.skip-link{z-index:30;background:#fff;padding:.5rem 1rem;position:absolute;top:-5rem;left:1rem}.skip-link:focus{top:1rem}.site-header{z-index:20;background:#fff;margin-bottom:1.5rem;position:sticky;top:0}.header-branding{justify-content:center;padding-block:.15rem;display:flex;overflow:hidden}.site-brand{flex:1;align-items:baseline;gap:.6rem;min-width:max-content;display:flex}.site-title{color:inherit;letter-spacing:-.03em;white-space:nowrap;font-size:1.125rem;font-weight:750;line-height:1.3;text-decoration:none}.site-description{color:var(--muted);margin:.1rem 0 0;font-size:.7rem;line-height:1.6}.site-banner{object-fit:contain;clip-path:inset(0 2% 0 0);flex-shrink:0;width:min(520px,118%);max-width:none;height:auto;display:block}.header-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.35rem .5rem;padding-block:.3rem .4rem;display:flex}.page-heading{min-width:0;color:var(--muted);white-space:nowrap;text-overflow:ellipsis;letter-spacing:0;flex-basis:100%;margin:0;font-size:.875rem;font-weight:600;overflow:hidden}nav{flex-wrap:wrap;gap:.5rem 1.5rem;display:flex}.primary-nav{border:1px solid var(--line);background:#f1f4f6;border-radius:.5rem;flex-wrap:nowrap;flex-shrink:0;gap:.15rem;padding:.2rem}.primary-nav a{min-height:28px;color:var(--muted);border-radius:.3rem;justify-content:center;align-items:center;padding:.1rem .65rem;font-size:.75rem;font-weight:600;line-height:1.5;text-decoration:none;display:inline-flex}.primary-nav a:hover{color:var(--accent);background:#e4ecef}.primary-nav a[aria-current]{color:#fff;background:var(--accent)}main{min-height:35vh}h1,h2,h3,h4,h5,h6{font-size:var(--font-heading);font-weight:700;line-height:1.55}h1{margin:0 0 .4rem}.muted{color:var(--muted);font-size:.9rem}.post-list{margin:0;padding:0;list-style:none}.post-summary{border-bottom:1px solid var(--line);padding:1rem 0}.post-summary h2{font-size:var(--font-heading);margin:0 0 .4rem}.post-summary h2 a{color:inherit;text-decoration:none}.post-summary h2 a:hover{color:var(--accent);text-decoration:underline}.post-summary p{color:var(--muted);font-size:var(--font-body);margin:.45rem 0 0;line-height:1.75}.post-meta{font-size:var(--font-meta);color:var(--muted);flex-wrap:wrap;align-items:baseline;gap:.3rem .65rem;display:flex}.post-meta time{font-variant-numeric:tabular-nums}.tag-list,.category-list{flex-wrap:wrap;gap:.35rem .4rem;margin:0;padding:0;list-style:none;display:flex}.tag-list li,.category-list li{min-width:0;max-width:100%}.tag-list a,.category-label,.category-list a{color:#24586a;background:#f1f7f9;border:1px solid #d9e5ea;border-radius:999px;align-items:center;gap:.25rem;max-width:100%;min-height:26px;padding:.1rem .6rem;font-size:.7rem;line-height:1.5;text-decoration:none;display:inline-flex}.tag-list a:hover{background:#e1eef3;border-color:#acc7d2}.category-label,.category-list a{color:#78521c;background:#fff4e5;border-color:#e8cda7;border-radius:.2rem}.category-label:hover,.category-list a:hover{background:#f8e7cd;border-color:#d2ad79}.pagination{border:2px solid var(--line);width:min(100%,32rem);font-size:calc(var(--font-heading) - 3pt);background:#f1f5f7;border-radius:.5rem;grid-template-columns:1fr auto 1fr;align-items:center;gap:1.5rem;margin:1.25rem auto;padding:.45rem .65rem;line-height:2;display:grid}.pagination-link{border:2px solid var(--accent);width:fit-content;min-height:36px;color:var(--accent);background:#fff;border-radius:.4rem;justify-content:center;justify-self:start;align-items:center;padding:.25rem .85rem;font-weight:700;line-height:1.5;text-decoration:none;display:flex;box-shadow:0 1px 2px #252b3214}.pagination-link:hover{background:#e1edf1}.pagination-link[rel=next]{background:var(--accent);color:#fff;justify-self:end}.pagination-link[rel=next]:hover{background:#10475b}.pagination-position{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}.taxonomy{border-top:1px solid var(--line);margin-top:3rem;padding-top:1.5rem;font-size:.875rem}.taxonomy h2{margin:1rem 0 .6rem;font-size:.9rem}.taxonomy :is(.tag-list,.category-list) span{color:var(--muted)}.archive-year{margin-top:3rem}.archive-year:first-of-type{margin-top:0}.archive-year>h2{margin:0}.post-header{margin-bottom:1.5rem}.post-cover{max-width:100%;height:auto;margin:0 auto 2.5rem;display:block}.prose{font-size:var(--font-body);line-height:1.75}.prose>:first-child{margin-top:0}.prose p,.prose ul,.prose ol,.prose dl{margin-block:1.4em}.prose li>p{margin-block:.5em}.prose li+li{margin-top:.35em}.prose ul,.prose ol{padding-inline-start:1.6em}.prose h2{border-bottom:1px solid var(--line);margin:2.75em 0 1em;padding-bottom:.45em}.prose h3,.prose h4,.prose h5,.prose h6{margin:2em 0 .75em}.prose :is(h1,h2,h3,h4,h5,h6){scroll-margin-top:1.5rem}.prose img,.prose video{max-width:100%;height:auto}.prose iframe{border:0;max-width:100%}.prose iframe[src*="youtube.com/embed/"],.prose iframe[src*="youtube-nocookie.com/embed/"]{aspect-ratio:16/9;width:100%;max-width:560px;height:auto;display:block}.prose a[data-iframely-url]:empty:before{content:attr(href)}.prose blockquote{color:var(--muted);border-inline-start:3px solid #b7c8ce;margin-inline:0;padding:.15rem 1.25rem}.prose hr{border:0;border-top:1px solid var(--line);margin-block:3rem}code,pre{font-variant-ligatures:none;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Cascadia Mono,Liberation Mono,Osaka-Mono,MS Gothic,Noto Sans Mono CJK JP,monospace}.prose :not(pre)>code{background:#f2f4f6;border-radius:.2rem;padding:.15em .35em;font-size:.875em}.prose pre{border:1px solid var(--line);max-width:100%;font-size:var(--font-body);tab-size:2;border-radius:.35rem;padding:1.1rem 1.25rem;line-height:1.7;overflow-x:auto}.prose pre code{white-space:pre;overflow-wrap:normal}.prose table{border-collapse:collapse;max-width:100%;margin-block:1.5em;font-size:.9em;line-height:1.7;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);min-width:7rem;padding:.65rem .85rem}.prose th{text-align:start;background:#f6f8f9}.prose input[type=checkbox]{margin-inline-end:.5em}.post-navigation{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:2rem;margin-top:3.5rem;padding-top:1.5rem;font-size:.9rem;display:grid}.post-navigation>:last-child{text-align:end}.post-navigation a{text-decoration:none}.post-navigation a:hover{text-decoration:underline}.post-navigation span{color:var(--muted);margin-bottom:.4rem;font-size:.8rem;display:block}.advertisement{margin-top:3rem}.site-footer{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:1rem;margin-top:4rem;padding-block:1.5rem 3rem;font-size:.8rem;display:flex}.site-footer p{margin:0}@media (width<=700px){.site-description{display:none}}@media (width<=480px){:root{--font-heading:.9375rem;--header-offset:9rem}.container{width:calc(100% - 2rem)}.site-header{margin-bottom:1rem}.site-title{font-size:1rem}.header-controls{padding-block:.25rem .35rem}.primary-nav a{padding-inline:.25rem;font-size:.75rem}.page-heading{font-size:.75rem}.post-navigation{grid-template-columns:1fr;gap:1rem}.post-navigation>:last-child{text-align:start}.pagination{gap:.75rem;padding-inline:.5rem}.pagination-link{padding-inline:.6rem}}@media (width<=360px){.pagination{grid-template-columns:1fr 1fr}.pagination-position{text-align:center;grid-area:1/1/auto/-1}.pagination-link[rel=prev]{grid-area:2/1}.pagination-link[rel=next]{grid-area:2/2}.pagination>[aria-hidden]{display:none}}@media (height<=500px){:root{--header-offset:7rem}.header-branding{padding:0}.site-description{display:none}.site-banner{width:220px;max-width:55%;height:auto}}@media print{.site-header nav,.site-footer nav,.post-navigation,.pagination,.advertisement,.skip-link{display:none}.container{width:100%}.site-header{box-shadow:none;position:static}.site-banner{display:none}.header-branding{min-height:0}.header-controls{border:0;display:block}.page-heading{text-align:start}.prose pre{white-space:pre-wrap}a{color:inherit}}