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span[data-astro-cid-dz5h74bc]:nth-child(2){background:var(--color-brand-500)}.theme-switcher__swatch[data-astro-cid-dz5h74bc] span[data-astro-cid-dz5h74bc]:nth-child(3){background:var(--color-brand-700)}.theme-switcher__list[data-astro-cid-dz5h74bc]{position:absolute;right:0;top:calc(100% + 4px);margin:0;padding:var(--space-1);list-style:none;background:var(--color-surface-1);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-2);min-width:9rem;z-index:50}.theme-switcher__list[data-astro-cid-dz5h74bc] li[data-astro-cid-dz5h74bc]{margin:0}.theme-switcher__list[data-astro-cid-dz5h74bc] button[data-astro-cid-dz5h74bc]{display:block;width:100%;text-align:left;padding:var(--space-2) var(--space-3);background:transparent;color:var(--color-text);border:0;border-radius:var(--radius-sm);font:inherit;cursor:pointer}.theme-switcher__list[data-astro-cid-dz5h74bc] button[data-astro-cid-dz5h74bc]:hover{background:var(--color-surface-3)}.theme-switcher__list[data-astro-cid-dz5h74bc] button[data-astro-cid-dz5h74bc][aria-current=true]{color:var(--color-brand-500);font-weight:600}.site-header[data-astro-cid-3ef6ksr2]{background:var(--color-surface-1);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:40}.site-header__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-5);padding-top:var(--space-3);padding-bottom:var(--space-3)}.brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-text);border-bottom:0;font-weight:700;letter-spacing:.04em}.brand[data-astro-cid-3ef6ksr2]:hover{color:var(--color-brand-500);border-bottom:0}.brand[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{border-radius:var(--radius-sm);background:transparent}.brand__text[data-astro-cid-3ef6ksr2]{font-family:var(--font-heading);font-size:1.2rem}.site-nav[data-astro-cid-3ef6ksr2]{flex:1}.site-nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{list-style:none;margin:0;padding:0;display:flex;gap:var(--space-3);flex-wrap:wrap}.site-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--color-text-muted);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);border-bottom:0;transition:color var(--transition-fast),background var(--transition-fast)}.site-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--color-text);background:var(--color-surface-3);border-bottom:0}.site-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--color-brand-500);font-weight:600}.site-header__tools[data-astro-cid-3ef6ksr2]{display:flex;gap:var(--space-2);align-items:center}.lang-switch[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;padding:var(--space-2) var(--space-3);background:var(--color-surface-1);color:var(--color-text);border:1px solid var(--border-color);border-radius:var(--radius-md);font-weight:600;font-size:.9rem;letter-spacing:.04em}.lang-switch[data-astro-cid-3ef6ksr2]:hover{background:var(--color-surface-3);border-color:var(--border-color)}@media(max-width:760px){.site-header__inner[data-astro-cid-3ef6ksr2]{flex-wrap:wrap}.site-nav[data-astro-cid-3ef6ksr2]{order:3;width:100%}.site-nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{justify-content:flex-start}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--color-surface-1);border-top:1px solid var(--border-color);margin-top:var(--space-12);padding:var(--space-6) 0}.site-footer__inner[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-3)}.site-footer[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{margin:0}.muted[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);font-size:.9rem}:root{--font-body: system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;--font-heading: "Iowan Old Style", "Palatino Linotype", Georgia, serif;--font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-8: 3rem;--space-12: 5rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 14px;--radius-pill: 999px;--shadow-1: 0 1px 2px rgba(0, 0, 0, .06);--shadow-2: 0 4px 14px rgba(0, 0, 0, .08);--content-width: 72rem;--content-width-narrow: 44rem;--transition-fast: .12s cubic-bezier(.2, .8, .2, 1)}[data-theme=bright]{--color-surface-1: #ffffff;--color-surface-2: #f4f6f8;--color-surface-3: #e6ebef;--color-text: #11171d;--color-text-muted: #5a6470;--border-color: #d5dbe0;--color-brand-500: #0e7c7b;--color-brand-700: #0a5e5d;--color-link: #0e7c7b;--color-link-hover: #0a5e5d;--map-tile-filter: none}[data-theme=dark]{--color-surface-1: #0f1418;--color-surface-2: #0a0e11;--color-surface-3: #161c22;--color-text: #e8ecef;--color-text-muted: #8a96a0;--border-color: #222d35;--color-brand-500: #14b4b1;--color-brand-700: #0e7c7b;--color-link: #57d6d3;--color-link-hover: #8be9e7;--map-tile-filter: invert(1) hue-rotate(180deg) brightness(.92) contrast(.92)}[data-theme=japanese]{--color-surface-1: #fbf8f2;--color-surface-2: #f3eedf;--color-surface-3: #ebe4cf;--color-text: #1b1b1b;--color-text-muted: #5d574a;--border-color: #d6cdb4;--color-brand-500: #1f3a5f;--color-brand-700: #15294a;--color-link: #1f3a5f;--color-link-hover: #b04848;--map-tile-filter: sepia(.25) saturate(.85)}[data-theme=jamcon]{--color-surface-1: #ffffff;--color-surface-2: #f4f7fa;--color-surface-3: #e5ecf3;--color-text: #000000;--color-text-muted: #6e7682;--border-color: #c8d2dd;--color-brand-500: #1e94cc;--color-brand-700: #15406f;--color-link: #15406f;--color-link-hover: #1e94cc;--map-tile-filter: none}html,body{margin:0;padding:0;background:var(--color-surface-2);color:var(--color-text);font-family:var(--font-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}*{box-sizing:border-box}a{color:var(--color-link);text-decoration:none;border-bottom:1px solid transparent;transition:color var(--transition-fast),border-color var(--transition-fast)}a:hover{color:var(--color-link-hover);border-bottom-color:currentColor}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:600;line-height:1.15;color:var(--color-text);margin:0 0 var(--space-3)}h1{font-size:clamp(2rem,4vw,3rem)}h2{font-size:clamp(1.5rem,2.5vw,2rem)}h3{font-size:1.25rem}p{margin:0 0 var(--space-4)}img{max-width:100%;height:auto;display:block}.container{max-width:var(--content-width);margin:0 auto;padding:0 var(--space-5)}.container-narrow{max-width:var(--content-width-narrow);margin:0 auto;padding:0 var(--space-5)}.button{display:inline-block;padding:var(--space-2) var(--space-4);background:var(--color-brand-500);color:#fff;border:1px solid var(--color-brand-500);border-radius:var(--radius-md);font-weight:600;letter-spacing:.02em;transition:background var(--transition-fast),border-color var(--transition-fast)}.button:hover{background:var(--color-brand-700);border-color:var(--color-brand-700);color:#fff;border-bottom:1px solid var(--color-brand-700)}.card{background:var(--color-surface-1);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-5);box-shadow:var(--shadow-1)}.site-main[data-astro-cid-sckkx6r4]{min-height:60vh;padding-top:var(--space-6);padding-bottom:var(--space-8)}