:root{--color-bg: #111215;--color-content-bg: #F9F9FB;--color-text-on-content: #111215;--color-text-on-dark: #F9F9FB;--color-on-primary: #111215;--color-primary: #FFC83B;--color-secondary: #00ACC1;--color-danger: #E53935;--color-link-on-light: color-mix(in srgb, var(--color-secondary) 61%, var(--color-text-on-content));--color-visited-on-light: color-mix(in srgb, var(--color-danger) 80%, var(--color-text-on-content));--color-visited-on-dark: color-mix(in srgb, var(--color-danger) 80%, var(--color-text-on-dark));--color-muted-on-light: color-mix(in srgb, var(--color-text-on-content) 64%, var(--color-content-bg));--color-muted-on-dark: color-mix(in srgb, var(--color-text-on-dark) 68%, var(--color-bg));--color-panel-dark: color-mix(in srgb, var(--color-bg) 84%, var(--color-text-on-dark));--color-border-dark: color-mix(in srgb, var(--color-bg) 78%, var(--color-text-on-dark));--color-border-light: color-mix(in srgb, var(--color-text-on-content) 17%, var(--color-content-bg));--color-toucan-gradient: linear-gradient(45deg, var(--color-primary), #FF8F00, var(--color-danger));font-family:Yu Gothic,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;color:var(--color-text-on-content);background:var(--color-bg);font-synthesis:none;font-size:15px;line-height:1.85}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--color-bg)}a{color:var(--color-link-on-light);text-decoration:underline;text-underline-offset:3px}a:visited{color:var(--color-visited-on-light)}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--color-link-on-light);outline-offset:3px}::selection{background:var(--color-primary);color:var(--color-on-primary)}.site-shell{width:min(100% - 40px,1060px);margin:28px auto;border:1px solid var(--color-border-dark);background:var(--color-bg);box-shadow:0 16px 55px #0005}.site-header{position:relative;padding:24px 34px 25px;background:var(--color-bg);display:flex;flex-direction:column;gap:2px}.site-header:after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--color-toucan-gradient)}.site-brand{font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-weight:700;font-size:clamp(22px,3vw,31px);letter-spacing:.07em;color:var(--color-text-on-dark);text-decoration:none}.site-brand:visited{color:var(--color-text-on-dark)}.site-brand:hover{color:var(--color-primary)}.site-tagline{color:var(--color-muted-on-dark);font-size:11px;letter-spacing:.11em}.site-grid{display:grid;grid-template-columns:218px minmax(0,1fr);gap:17px;padding:17px;align-items:start}.sidebar{display:flex;flex-direction:column;gap:15px}.sidebar-box{background:var(--color-panel-dark);border:1px solid var(--color-border-dark)}.side-title{padding:7px 12px;background:var(--color-bg);border-bottom:1px solid var(--color-border-dark);font-size:12px;letter-spacing:.15em;font-weight:700;color:var(--color-primary)}.side-nav{display:grid}.side-nav a{padding:9px 12px;display:flex;gap:9px;border-bottom:1px solid var(--color-border-dark);font-size:13px;text-decoration:none;color:var(--color-secondary);overflow-wrap:anywhere}.side-nav a:last-child{border-bottom:0}.side-nav a:hover{background:var(--color-bg);color:var(--color-text-on-dark)}.side-nav a:visited,.side-nav a:visited:hover{color:var(--color-visited-on-dark)}.side-nav a[aria-current=page]{background:var(--color-bg);color:var(--color-primary);font-weight:700;box-shadow:inset 3px 0 0 var(--color-primary)}.side-nav a[aria-current=page]:visited{color:var(--color-primary)}.side-nav a:focus-visible{outline-color:var(--color-secondary);outline-offset:-3px}.side-arrow{color:var(--color-primary);font-weight:700}.sidebar-note p{margin:11px 12px 13px;font-size:12px;color:var(--color-muted-on-dark)}.site-footer{padding:13px 18px;border-top:1px solid var(--color-border-dark);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:var(--color-muted-on-dark);font-size:11px}.site-footer a{color:var(--color-secondary)}.site-footer a:visited{color:var(--color-visited-on-dark)}.main-content{min-height:510px;padding:32px 35px 42px;background:var(--color-content-bg);border:1px solid var(--color-border-light);color:var(--color-text-on-content);overflow-wrap:anywhere}.main-content h1{font-size:22px;font-weight:700;color:var(--color-text-on-content);margin:0 0 23px;border-bottom:2px solid var(--color-primary);padding-bottom:10px;line-height:1.55;letter-spacing:.03em}.main-content h2{margin:30px 0 13px;padding:3px 0 5px 12px;border-left:4px solid var(--color-primary);border-bottom:1px solid var(--color-border-light);font-size:17px;color:var(--color-text-on-content)}.main-content h3{font-size:15px;color:var(--color-text-on-content);margin-top:24px}.main-content p{margin:0 0 16px}.main-content ul,.main-content 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a{color:var(--color-link-on-light);text-decoration:none}.post-tags a:visited{color:var(--color-visited-on-light)}.post-tags a:hover{text-decoration:underline}.plain-list{display:grid;gap:7px;padding-left:20px}.notice{font-size:12px;color:var(--color-muted-on-light)}.breadcrumb{font-size:12px;color:var(--color-muted-on-light);margin-bottom:14px}.article-meta{color:var(--color-muted-on-light);font-size:12px;padding-bottom:16px;border-bottom:1px dotted var(--color-border-light);margin-bottom:23px}.article-meta .category-pill{margin-left:10px}.prose{line-height:2}.prose>:first-child{margin-top:0}.directory-list{list-style:none;padding:0!important;margin:10px 0 25px}.directory-list li{padding:9px 7px;border-bottom:1px dotted var(--color-border-light);display:flex;gap:12px;justify-content:space-between}.directory-list li span{font-size:12px;color:var(--color-muted-on-light);white-space:nowrap}.tag-cloud{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}.tag-cloud 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button{width:100%}}@media(max-width:390px){.side-nav{grid-template-columns:1fr}}