:root{--color-bg: #0f0f13;--color-surface: #1a1a24;--color-surface-hover: #252535;--color-text: #e8e8f0;--color-text-muted: #8888a0;--color-accent: #22d3ee;--color-accent-hover: #06b6d4;--color-danger: #fc5c7c;--color-border: #2a2a3a;--font-sans: "Hiragino Sans", "Noto Sans JP", system-ui, -apple-system, sans-serif;--max-width: 960px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.7;min-height:100vh}a{color:var(--color-accent);text-decoration:none;transition:color .2s}a:hover{color:var(--color-accent-hover)}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;border:none;transition:background-color .2s,transform 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ease;z-index:9}.nav[data-astro-cid-3ef6ksr2].nav-open{transform:translate(0)}.tier-display[data-astro-cid-3ef6ksr2]{left:1rem;bottom:1rem}.tier-image[data-astro-cid-3ef6ksr2]{height:64px}.tier-no-image[data-astro-cid-3ef6ksr2]{padding:.5rem 1rem}.tier-upgrade-link[data-astro-cid-3ef6ksr2]{font-size:.8rem}.lang-toggle[data-astro-cid-3ef6ksr2]{bottom:.75rem;right:1rem}}@media(max-width:480px){.header[data-astro-cid-3ef6ksr2],.header-overlay[data-astro-cid-3ef6ksr2]{height:25vh!important}.logo[data-astro-cid-3ef6ksr2]{font-size:1.1rem}}.site-footer[data-astro-cid-sz7xmlte]{margin-top:4rem;padding:2rem 0;border-top:1px solid var(--color-border);text-align:center}.footer-line[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;gap:.4rem;color:var(--color-text-muted);font-size:.75rem;justify-content:center;flex-wrap:wrap}.footer-logo-icon[data-astro-cid-sz7xmlte]{height:1.5rem;width:1.5rem;flex-shrink:0;vertical-align:middle}@media(max-width:768px){.site-footer[data-astro-cid-sz7xmlte]{text-align:left}.footer-line[data-astro-cid-sz7xmlte]{justify-content:flex-start}}