:root{color-scheme:light;--text:#454545;--muted:#737373;--accent:#c74300;--line:#e8e8e8;color:var(--text);-webkit-text-size-adjust:100%;background:#fff;font-family:Helvetica,Arial,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;font-size:15px;line-height:1.8}*{box-sizing:border-box}body{flex-direction:column;min-height:100vh;margin:0;display:flex}a{color:var(--accent);text-underline-offset:.2em;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}img,svg,video{max-width:100%;height:auto}iframe{border:0;max-width:100%}h1,h2,h3,h4,h5,h6{color:#333;overflow-wrap:anywhere;scroll-margin-top:2rem;line-height:1.55}p,ul,ol{margin-top:0}.wrapper{width:min(1080px,100% - 64px);margin-inline:auto}.page-content{outline:none;flex:1;padding-block:60px 80px}.site-header{border-bottom:1px solid var(--line);background:#fff}.header-inner{justify-content:space-between;align-items:center;gap:18px 30px;max-width:1440px;min-height:88px;margin-inline:auto;padding:12px 40px;display:flex}.site-brand{flex:none;width:240px;line-height:1;display:block}.site-brand img{width:100%;height:auto;display:block}.site-nav{align-items:center;gap:24px;margin:0;padding:0;font-size:.85rem;list-style:none;display:flex}.site-nav a{color:#454545}.site-nav a[aria-current=page]{color:var(--accent)}.site-header-overlay{z-index:10;backdrop-filter:blur(4px);background:#12111c80;border-bottom-color:#ffffff26;position:absolute;inset:0 0 auto}.site-header-overlay .site-brand img{filter:brightness(0)invert()}.site-header-overlay .site-nav a{color:#fff}.site-header-overlay .site-nav a[aria-current=page]{text-underline-offset:5px;text-decoration:underline}.site-header-overlay a:focus-visible{outline-color:#fff}.content-grid{grid-template-columns:minmax(0,1fr) 220px;align-items:start;gap:56px;display:grid}.main-column{min-width:0}.sidebar{font-size:.9rem;position:sticky;top:28px}.sidebar-title{margin:0 0 14px;font-size:1.05rem;font-weight:500}.sidebar ul{padding:0;list-style:none}.category-list li{border-bottom:1px solid var(--line)}.category-list a{color:#555;justify-content:space-between;gap:14px;padding-block:8px;display:flex}.category-list span{color:var(--muted)}.sidebar-more{margin-top:4px;display:inline-block}.article-contents li{margin-bottom:9px;line-height:1.65}.article-contents a{color:var(--muted)}.article-contents .subheading{padding-left:14px;font-size:.92em}.prose{overflow-wrap:anywhere}.prose p,.prose ul,.prose ol{margin-bottom:24px}.prose li>ul,.prose li>ol{margin-top:6px;margin-bottom:8px}.prose li{margin-bottom:4px}.prose h1{margin-block:48px 20px;font-size:2rem}.prose h2{margin-block:48px 20px;font-size:1.75rem}.prose h3{margin-block:36px 16px;font-size:1.4rem}.prose h4{margin-block:28px 12px;font-size:1.15rem}.prose>:first-child{margin-top:0}.prose img,.prose iframe,.prose video{margin-inline:auto;display:block}.prose img{height:auto}.prose iframe[src*=youtube],.prose iframe[src*=player\.vimeo]{aspect-ratio:16/9;width:100%;height:auto}.prose blockquote{color:#666;border-left:3px solid #ddd;margin:24px 0;padding:4px 20px}.prose blockquote>:last-child{margin-bottom:0}.prose pre{background:#f6f6f6;max-width:100%;padding:20px;line-height:1.6;overflow-x:auto}.prose code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}.prose :not(pre)>code{background:#f4f4f4;border-radius:2px;padding:2px 4px}.prose table{border-collapse:collapse;max-width:100%;margin-block:24px;display:block;overflow-x:auto}.prose td,.prose th{text-align:left;border:1px solid #ddd;padding:10px 14px}.prose th{background:#f6f6f6}.prose hr{border:0;border-top:1px solid var(--line);margin-block:36px}.home-news-heading{flex-wrap:wrap;align-items:baseline;gap:8px 18px;margin:0 0 28px;font-size:2rem;font-weight:500;display:flex}.home-news-heading span{color:var(--muted);font-size:.9rem;font-weight:400}.post-list{margin:0;padding:0;list-style:none}.post-list>li{border-bottom:1px solid var(--line);padding-block:30px}.post-list>li:first-child{padding-top:0}.post-card{grid-template-columns:minmax(0,132px) minmax(0,1fr);align-items:start;gap:24px;display:grid}.post-card-content{min-width:0}.post-thumbnail{aspect-ratio:4/3;border:1px solid var(--line);background:#f7f5f1;border-radius:4px;display:block;overflow:hidden}.post-thumbnail img{object-fit:cover;width:100%;height:100%;display:block}.post-list-date{color:#333;font-variant-numeric:tabular-nums;margin-bottom:10px;font-size:1.4rem;font-weight:600;line-height:1.4;display:block}.post-list-title{margin:0;font-size:1.5rem;font-weight:600}.post-list-title a{color:#333}.post-list-title a:hover{color:var(--accent)}.post-meta{color:var(--muted);font-size:.9rem}.post-tags{flex-wrap:wrap;justify-content:flex-start;gap:6px 14px;font-size:.88rem;display:flex}.post-card-content .post-tags{margin-top:14px}.post-header{border-bottom:1px solid var(--line);margin-bottom:32px;padding-bottom:24px}.post-header h1{margin:0 0 14px;font-size:clamp(1.75rem,3.4vw,2.4rem);font-weight:500}.post-header .post-tags{margin-top:12px}.post-navigation{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:28px;margin-top:54px;padding-top:24px;display:grid}.post-navigation>:last-child{text-align:right}.post-navigation a{color:#555;font-size:.92rem;display:block}.post-navigation span{color:var(--accent);margin-bottom:8px;font-size:.85rem;display:block}.archive-link{margin-top:36px;display:inline-block}.page-title{margin-block:0 24px;font-size:2.2rem;font-weight:500}.archive-tabs{border-bottom:1px solid var(--line);gap:24px;margin-bottom:36px;padding-bottom:20px;display:flex}.archive-tabs [aria-current=page]{color:#333;font-weight:600}.archive-section{margin-bottom:40px}.archive-section h2{margin-bottom:14px;font-size:1.5rem;font-weight:500}.post-list-compact>li{grid-template-columns:112px 1fr;gap:12px;padding:10px 0;display:grid}.post-list-compact .post-link{color:#444}.index-links{flex-wrap:wrap;gap:8px 20px;padding:0;list-style:none;display:flex}.site-footer{border-top:1px solid var(--line);color:#686868;background:#f7f7f7;font-size:.85rem}.footer-inner{padding-block:34px}.footer-inner p{margin-bottom:3px}.copyleft{display:inline-block;transform:rotate(180deg)}.not-found{text-align:center;padding-block:50px 90px}.not-found h1{margin:0;font-size:5rem;font-weight:400}.skip-link{z-index:20;background:#fff;padding:10px 16px;position:absolute;top:-100px;left:16px}.skip-link:focus{top:10px}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=1040px){.header-inner{flex-wrap:wrap;gap:12px 20px;padding-inline:24px}.site-nav{flex-wrap:wrap;gap:6px 22px}.content-grid{grid-template-columns:minmax(0,1fr) 190px;gap:36px}}@media (width<=760px){.header-inner{padding-inline:20px}.site-brand{width:200px}.header-inner nav{width:100%}.wrapper{width:calc(100% - 40px)}.page-content{padding-block:36px 54px}.content-grid{grid-template-columns:minmax(0,1fr);gap:36px}.sidebar{border-top:1px solid var(--line);padding-top:24px;position:static}.article-contents{display:none}.site-nav{gap:6px 16px;font-size:.72rem}.post-header h1{font-size:1.8rem}.post-list-title{font-size:1.3rem}.prose h1{font-size:1.7rem}.prose h2{font-size:1.5rem}.prose h3{font-size:1.25rem}.post-list-compact>li{grid-template-columns:1fr;gap:2px}}@media (width<=600px){.post-card{grid-template-columns:minmax(0,1fr);gap:18px}.post-thumbnail{width:60%}}