:root{color-scheme:light dark;--font-family-main: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;--font-family-mono: monospace;--line-height-base: 1.6;--line-height-heading: 1.3;--font-size-xl: 2.5rem;--font-size-lg: 1.8rem;--font-size-md: 1.4rem;--font-size-sm: .9rem;--font-size-xs: .85rem;--color-primary: #cc0000;--color-link: #cc0000;--color-text: #222;--color-text-light: #666;--color-bg: #f8f8f8;--color-bg-light: #f5f5f5;--color-bg-lighter: #e8e8e8;--color-code-bg: #eee;--color-border: #ccc;--color-border-light: #eee;--max-width: 900px;--border-radius: 3px;--border-radius-lg: 5px;--border-width-thick: 10px;--spacing-xs: .1em;--spacing-sm: .3em;--spacing-md: .5em;--spacing-lg: 1rem;--spacing-xl: 1.5rem;--spacing-xxl: 2rem;--spacing-auto: 2em auto;--spacing-left-indent: 2em;--spacing-margin-quote: 1.5em 10px;--spacing-padding-quote: .5em 10px;--box-shadow-focus: 0 0 0 2px rgba(204, 0, 0, .1);--color-select-bg: #fff}body{font-family:var(--font-family-main);line-height:var(--line-height-base);margin:var(--spacing-auto);max-width:var(--max-width);padding:0 var(--spacing-lg);color:var(--color-text);background-color:var(--color-bg)}h1,h2,h3{font-weight:400;line-height:var(--line-height-heading)}h1{font-size:var(--font-size-xl);margin-bottom:var(--spacing-lg)}h1.title{font-size:var(--font-size-md);margin-top:var(--spacing-xl)}h2{font-size:var(--font-size-lg);margin-top:var(--spacing-xxl);margin-bottom:var(--spacing-lg)}h3{font-size:var(--font-size-md);margin-top:var(--spacing-xl)}a{color:var(--color-link);text-decoration:none}a:hover{text-decoration:underline}ul{padding-left:var(--spacing-left-indent)}li{margin-bottom:var(--spacing-md)}p{margin-bottom:var(--spacing-lg)}code{font-family:var(--font-family-mono);background-color:var(--color-code-bg);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--border-radius)}pre{background-color:var(--color-code-bg);padding:var(--spacing-lg);border-radius:var(--border-radius);overflow-x:auto}pre code{padding:0;background-color:transparent;border-radius:0}img{max-width:100%;height:auto;display:block;margin:0 auto}article{margin:0 auto}.published-date{padding-top:60px;font-size:var(--font-size-sm);color:var(--color-text-light);margin-top:var(--spacing-lg)}.categories{font-size:var(--font-size-sm);color:var(--color-text-light)}footer{color:var(--color-text-light);font-size:var(--font-size-sm);margin:0 auto}blockquote{background-color:var(--color-bg-light);border-left:var(--border-width-thick) solid var(--color-border);margin:var(--spacing-margin-quote);padding:var(--spacing-padding-quote);quotes:"“" "”" "‘" "’"}.prev-next-links{display:flex;justify-content:space-between;margin-top:var(--spacing-xxl)}.prev-link,.next-link{font-size:var(--font-size-sm)}.pagination{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg);margin-top:var(--spacing-xxl);font-size:var(--font-size-sm)}.pagination-prev[aria-disabled=true],.pagination-next[aria-disabled=true]{color:var(--color-text-light);cursor:default}.pagination-current{color:var(--color-text-light)}.main-nav{margin:var(--spacing-lg) 0;display:flex;gap:var(--spacing-lg)}.nav-link{font-size:var(--font-size-sm);color:var(--color-link)}.filter-controls{margin:var(--spacing-lg) 0 var(--spacing-xxl) 0;padding:var(--spacing-lg);background-color:var(--color-bg-lighter);border-radius:var(--border-radius-lg);display:flex;gap:var(--spacing-xxl);flex-wrap:wrap}.filter-group{display:flex;align-items:center;gap:var(--spacing-md)}.filter-group label{white-space:nowrap;font-weight:500}.filter-group select{padding:var(--spacing-sm);border:1px solid var(--color-border);border-radius:var(--border-radius);background-color:var(--color-select-bg);min-width:120px}.filter-group select:focus{outline:none;border-color:var(--color-primary);box-shadow:var(--box-shadow-focus)}.filter-results{margin:var(--spacing-lg) 0;font-size:var(--font-size-sm);color:var(--color-text-light)}.post-item{margin-bottom:.8rem;padding:var(--spacing-md) 0;border-bottom:1px solid var(--color-border-light)}.post-item a{display:block;margin-bottom:.2rem}.post-meta{font-size:var(--font-size-xs);color:var(--color-text-light)}.archive-year-list,.archive-category-list{list-style:none;padding:0;margin:var(--spacing-md) 0 var(--spacing-xxl) 0;display:flex;flex-wrap:wrap;gap:var(--spacing-md)}.archive-year-list li,.archive-category-list li{display:inline-flex;align-items:baseline;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-bg-lighter);border-radius:var(--border-radius)}.archive-count{font-size:var(--font-size-xs);color:var(--color-text-light)}.archive-year-nav{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg);margin:var(--spacing-lg) 0;font-size:var(--font-size-sm)}.archive-year-index{color:var(--color-text-light)}.month-section h3{margin-top:var(--spacing-xxl)}@media(max-width:600px){.filter-controls{flex-direction:column;gap:var(--spacing-lg)}.filter-group{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.filter-group select{width:100%}}.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;background:var(--color-primary);color:#fff;padding:0;text-decoration:none;z-index:100;border-radius:var(--border-radius)}.skip-link:focus{position:fixed;top:6px;left:6px;width:auto;height:auto;overflow:visible;clip:auto;clip-path:none;padding:8px;white-space:normal}@media(prefers-color-scheme:dark){:root{--color-link: #ff6b6b;--color-text: #e0e0e0;--color-text-light: #aaa;--color-bg: #1a1a1a;--color-bg-light: #2d2d2d;--color-bg-lighter: #383838;--color-code-bg: #2d2d2d;--color-border: #555;--color-border-light: #444;--color-select-bg: #2d2d2d}}@media print{.filter-controls,.main-nav,.prev-next-links,.pagination{display:none}body{max-width:none;margin:0;padding:0;font-size:12pt;line-height:1.4}article{margin:0}h1,h2,h3{page-break-after:avoid}img{max-width:100%!important}a{color:#000!important;text-decoration:underline}.published-date,.categories{color:#666!important}}