.theme-toggle[data-astro-cid-x3pjskd3]{position:relative;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:8px;cursor:pointer;color:var(--color-text-muted);transition:color var(--transition-base)}.theme-toggle[data-astro-cid-x3pjskd3]:hover{color:var(--color-text)}.theme-toggle[data-astro-cid-x3pjskd3]:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.toggle-icon[data-astro-cid-x3pjskd3]{width:20px;height:20px;position:absolute;transition:opacity var(--transition-fast),transform var(--transition-fast)}.sun-icon[data-astro-cid-x3pjskd3]{opacity:0;transform:rotate(-90deg) scale(.5)}.moon-icon[data-astro-cid-x3pjskd3],[data-theme=dark] .sun-icon[data-astro-cid-x3pjskd3]{opacity:1;transform:rotate(0) scale(1)}[data-theme=dark] .moon-icon[data-astro-cid-x3pjskd3]{opacity:0;transform:rotate(90deg) scale(.5)}.lang-toggle[data-astro-cid-lb7h3eps]{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:transparent;border-radius:8px;color:var(--color-text-muted);text-decoration:none;font-size:.75rem;font-weight:600;letter-spacing:.02em;transition:color var(--transition-base)}.lang-toggle[data-astro-cid-lb7h3eps]:hover{color:var(--color-text)}.lang-toggle[data-astro-cid-lb7h3eps]:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}:root,[data-theme=light]{--color-bg: #fafafa;--color-bg-elevated: #ffffff;--color-bg-subtle: #f5f5f5;--color-text: #171717;--color-text-secondary: #404040;--color-text-muted: #707070;--color-accent: #171717;--color-accent-soft: rgba(23, 23, 23, .06);--color-award: #c45d35;--color-award-soft: rgba(196, 93, 53, .08);--color-border: rgba(0, 0, 0, .08);--atcoder-gray: #808080;--atcoder-brown: #804000;--atcoder-green: #008000;--atcoder-cyan: #00C0C0;--atcoder-blue: #0000FF;--atcoder-yellow: #C0C000;--atcoder-orange: #FF8000;--atcoder-red: #FF0000}[data-theme=dark]{--color-bg: #0a0a0a;--color-bg-elevated: #141414;--color-bg-subtle: #1a1a1a;--color-text: #fafafa;--color-text-secondary: #d4d4d4;--color-text-muted: #8a8a8a;--color-accent: #fafafa;--color-accent-soft: rgba(250, 250, 250, .06);--color-award: #e07048;--color-award-soft: rgba(224, 112, 72, .1);--color-border: rgba(255, 255, 255, .08);--atcoder-gray: #999999;--atcoder-brown: #A85000;--atcoder-green: #00B000;--atcoder-cyan: #00E0E0;--atcoder-blue: #4040FF;--atcoder-yellow: #E0E000;--atcoder-orange: #FFA040;--atcoder-red: #FF4040}:root{--font-display: "Noto Sans JP", sans-serif;--font-body: "Inter", "Noto Sans JP", sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4.5rem;--space-4xl: 6rem;--space-5xl: 8rem;--page-max-width: 64rem;--page-inline: clamp(var(--space-md), 4vw, var(--space-xl));--site-header-height: 4.75rem;--radius-sm: .5rem;--radius-md: .75rem;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}[data-lang=ja] .lang-en,[data-lang=en] .lang-ja{display:none!important}*{box-sizing:border-box;padding:0}h1,h2,h3,h4,h5,h6,p,dl,dd,ol,ul{margin:0}html{scroll-behavior:smooth;font-size:16px}body{display:grid;font-family:var(--font-body);background:var(--color-bg);color:var(--color-text);line-height:1.75;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-weight:400;transition:background-color var(--transition-base),color var(--transition-base)}.skip-link{position:fixed;inset-block-start:var(--space-md);inset-inline-start:var(--space-md);z-index:200;padding:var(--space-sm) var(--space-md);background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:4px;color:var(--color-text);transform:translateY(-200%);transition:transform var(--transition-fast)}.skip-link:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px;transform:translateY(0)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.35;color:var(--color-text)}p{line-height:1.8}a{color:inherit;text-decoration:none}::selection{background:var(--color-accent-soft);color:var(--color-text)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}body>main#main-content{width:min(100%,var(--page-max-width));justify-self:center;padding-inline:var(--page-inline);padding-block-start:calc(var(--site-header-height) + var(--space-2xl))}.page-header{display:grid;gap:var(--space-md);max-width:44rem;padding-block-end:var(--space-2xl)}.page-header h1{font-size:clamp(2rem,4vw,3.25rem);letter-spacing:-.04em}.section{display:grid;gap:var(--space-lg)}@media (max-width: 768px){:root{--site-header-height: 7.75rem}body>main#main-content{padding-block-start:calc(var(--site-header-height) + var(--space-xl))}.page-header{gap:var(--space-md);padding-block-end:var(--space-xl)}.page-header h1{font-size:2rem}}.site-header{position:fixed;inset-block-start:0;z-index:100;width:100%;display:grid;background:var(--color-bg);border-bottom:1px solid var(--color-border)}.site-header__inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-md);width:min(100%,var(--page-max-width));justify-self:center;min-height:var(--site-header-height);padding-inline:var(--page-inline)}.site-identity{display:inline-flex;flex:0 0 auto;flex-direction:column;font-size:.88rem;font-weight:700;letter-spacing:-.02em;line-height:1.1}.site-identity small{display:block;color:var(--color-text-muted);font-size:.62rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase}.site-navigation{display:flex;min-width:0;justify-content:end;gap:var(--space-lg);overflow-x:auto;white-space:nowrap}.site-navigation a{color:var(--color-text-secondary);font-size:.8rem;font-weight:500;transition:color var(--transition-fast)}.site-navigation a:hover{color:var(--color-text)}.site-navigation a:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.site-header__controls{display:flex;flex:0 0 auto;align-items:center;gap:var(--space-xs)}@media (max-width: 768px){.site-header__inner{grid-template-columns:minmax(0,1fr) auto;padding-block:var(--space-sm)}.site-navigation{grid-column:1 / -1;width:100%;justify-content:start;gap:var(--space-md)}}@media (max-width: 360px){.site-header__inner,.site-navigation{gap:var(--space-sm)}.site-navigation a{font-size:.75rem}}