:root{--color-bg: #faf8f5;--color-bg-subtle: #f3efe9;--color-bg-muted: #e8e2d9;--color-surface: #ffffff;--color-text: #2c2825;--color-text-secondary: #6b6560;--color-text-tertiary: #9b9490;--color-accent: #3d8b8b;--color-accent-hover: #327373;--color-accent-subtle: #e6f2f0;--color-border: #ddd7cf;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px rgba(44, 40, 37, .06);--shadow-md: 0 2px 8px rgba(44, 40, 37, .08);--shadow-lg: 0 4px 16px rgba(44, 40, 37, .1);--color-brand-bg: var(--color-bg);--color-brand-bg-subtle: var(--color-bg-subtle);--color-brand-bg-muted: var(--color-bg-muted);--color-brand-surface: var(--color-surface);--color-brand-text: var(--color-text);--color-brand-text-secondary: var(--color-text-secondary);--color-brand-text-tertiary: var(--color-text-tertiary);--color-brand-accent: var(--color-accent);--color-brand-accent-hover: var(--color-accent-hover);--color-brand-border: var(--color-border);--space-brand-1: var(--space-1);--space-brand-2: var(--space-2);--space-brand-3: var(--space-3);--space-brand-4: var(--space-4);--space-brand-5: var(--space-5);--space-brand-6: var(--space-6);--space-brand-8: var(--space-8);--space-brand-10: var(--space-10);--space-brand-12: var(--space-12);--space-brand-16: var(--space-16);--radius-brand-md: var(--radius-md);--text-brand-xs: .75rem;--text-brand-sm: .875rem;--text-brand-base: 1rem;--text-brand-lg: 1.25rem;--text-brand-xl: 1.25rem;--text-brand-2xl: 1.5rem;--text-brand-3xl: 2rem;--weight-brand-normal: 400;--weight-brand-medium: 500;--weight-brand-semibold: 600;--weight-brand-bold: 700;--font-brand-logo: "Spectral", serif;--font-brand-sans: "Figtree", "Noto Sans", "Noto Sans JP", "Noto Sans KR", "Noto Sans SC", "Noto Sans TC", system-ui, sans-serif;--font-brand-serif: "Crimson Pro", "Noto Serif", "Klee One", "Noto Serif JP", "Noto Serif KR", "Noto Serif SC", "Noto Serif TC", Georgia, serif;--font-brand-mono: "JetBrains Mono", ui-monospace, monospace;--leading-brand-tight: 1.3;--leading-brand-normal: 1.6;--leading-brand-relaxed: 1.8}:root[lang=en]{--leading-brand-relaxed: 1.6}*,*:before,*:after{box-sizing:border-box}body{font-family:var(--font-brand-sans);margin:0;padding:0;min-height:100dvh;display:flex;flex-direction:column;background-color:var(--color-bg);color:var(--color-text);font-size:var(--text-brand-base);line-height:var(--leading-brand-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}main{flex:1;max-width:48rem;width:100%;margin:0 auto;padding:0 0 var(--space-12)}.prose{font-family:var(--font-brand-serif);font-size:1.125rem;line-height:1.5;color:var(--color-text)}.prose>*+*{margin-top:var(--space-brand-5)}.prose h2{font-size:var(--text-brand-lg);font-weight:var(--weight-brand-medium);letter-spacing:.02em;color:var(--color-text);margin-top:var(--space-brand-8);margin-bottom:var(--space-brand-3);padding-bottom:var(--space-brand-2);position:relative}.prose h2:after{content:"";display:block;margin-top:6px;width:6em;height:8px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' fill='none' stroke='%233d8b8b' stroke-width='1.2' stroke-linecap='round'%3E%3Cpath d='M0 4h82'/%3E%3Cpath d='M84 7l4-6'/%3E%3Cpath d='M89 7l4-6'/%3E%3C/svg%3E") no-repeat left center;background-size:contain;opacity:.7}.prose h3{font-size:var(--text-brand-base);font-weight:var(--weight-brand-semibold);letter-spacing:.02em;color:var(--color-text-secondary);margin-top:var(--space-brand-6);margin-bottom:var(--space-brand-2)}.prose strong,.prose b{font-weight:var(--weight-brand-semibold)}.prose em{font-style:italic}.prose a{color:var(--color-accent);text-decoration:underline;text-underline-offset:2px}.prose a:hover{color:var(--color-accent-hover)}.prose ul,.prose ol{margin:0;padding-left:1.5em;list-style-position:outside}.prose ul{list-style-type:disc}.prose ol{list-style-type:decimal}.prose li+li{margin-top:var(--space-brand-2)}.prose li::marker{color:var(--color-text-tertiary)}.prose code{font-family:var(--font-brand-mono);font-size:.78em;background-color:var(--color-bg-subtle);padding:.15em .35em;border-radius:var(--radius-sm)}.prose pre{background:var(--color-bg-subtle);border-radius:var(--radius-md);padding:var(--space-brand-4);overflow-x:auto;font-size:var(--text-brand-xs);line-height:var(--leading-brand-normal)}.prose pre code{background:none;padding:0;font-size:inherit}.prose blockquote{margin:0;border-left:3px solid var(--color-accent);padding-left:var(--space-brand-4);color:var(--color-text-secondary);font-style:italic}.prose blockquote>*+*{margin-top:var(--space-brand-3)}.prose hr{border:0;height:8px;margin:var(--space-brand-8) auto;width:6em;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 8' fill='none' stroke='%233d8b8b' stroke-width='1.2' stroke-linecap='round'%3E%3Cpath d='M0 4h82'/%3E%3Cpath d='M84 7l4-6'/%3E%3Cpath d='M89 7l4-6'/%3E%3C/svg%3E") no-repeat center center;background-size:contain;opacity:.7}.sr-only{border:0;padding:0;margin:0;position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);white-space:nowrap}.ink-divider{display:flex;align-items:center;justify-content:center;gap:var(--space-3);margin:var(--space-10) 0}.ink-divider:before,.ink-divider:after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--color-border) 20%,var(--color-border) 80%,transparent)}.ink-drop{width:10px;height:14px;flex-shrink:0;opacity:.3}.fade-in{opacity:0;transform:translateY(1rem);transition:opacity .5s ease,transform .5s ease}.fade-in.visible{opacity:1;transform:translateY(0)}@media(max-width:720px){body{font-size:1rem}main{padding:0 var(--space-4) var(--space-8)}}.page-footer[data-astro-cid-sz7xmlte]{margin-top:var(--space-brand-4);padding:0 var(--space-brand-6);font-size:var(--text-brand-xs);line-height:normal;color:var(--color-brand-text-tertiary);font-family:var(--font-brand-sans);background:transparent}.page-footer-inner[data-astro-cid-sz7xmlte]{display:flex;justify-content:center;align-items:center;flex-direction:column;gap:var(--space-brand-4);max-width:48rem;margin:0 auto;padding:var(--space-brand-8) 0 var(--space-brand-6);border-top:1px solid var(--color-brand-border)}.page-footer-brand[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:var(--space-brand-2)}.page-footer-logo-row[data-astro-cid-sz7xmlte]{display:flex;align-items:flex-end;gap:var(--space-brand-1)}.page-footer-icon[data-astro-cid-sz7xmlte]{flex-shrink:0;filter:grayscale(1);opacity:.7}.page-footer-logo[data-astro-cid-sz7xmlte]{font-family:Spectral,Georgia,serif;font-style:italic;font-size:28px;line-height:1;font-weight:600;letter-spacing:-.01em;color:var(--color-brand-text-secondary)}.page-footer-tagline[data-astro-cid-sz7xmlte]{font-size:var(--text-brand-xs);color:var(--color-brand-text-tertiary);line-height:var(--leading-brand-relaxed);margin:0}.page-footer-links[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-brand-2);max-width:30rem}.page-footer-link[data-astro-cid-sz7xmlte]{font-size:var(--text-brand-xs);color:var(--color-brand-text-tertiary);text-decoration:none;background:none;border:none;padding:0;cursor:pointer;transition:color .15s;text-align:left}.page-footer-link[data-astro-cid-sz7xmlte]:hover{color:var(--color-brand-text-secondary)}.page-footer-bottom[data-astro-cid-sz7xmlte]{display:flex;align-items:center;justify-content:center;max-width:48rem;margin:0 auto;padding:0 0 var(--space-brand-6);font-size:var(--text-brand-xs);color:var(--color-brand-text-tertiary)}@media(max-width:720px){.page-footer-inner[data-astro-cid-sz7xmlte]{flex-direction:column;align-items:center;padding:var(--space-brand-8) 0 var(--space-brand-5)}.page-footer-links[data-astro-cid-sz7xmlte]{justify-content:center;gap:var(--space-brand-3)}}.header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;padding:0 var(--space-brand-6);background:var(--color-brand-bg);font-family:var(--font-brand-sans)}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;max-width:48rem;margin:0 auto;padding:var(--space-brand-5) 0;border-bottom:1px solid var(--color-brand-border)}.logo[data-astro-cid-3ef6ksr2]{font-family:var(--font-brand-logo);font-style:italic;font-size:var(--text-brand-3xl);font-weight:600;letter-spacing:-.01em;color:var(--color-brand-text);text-decoration:none}.nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-brand-5)}.nav-link[data-astro-cid-3ef6ksr2]{font-size:var(--text-brand-sm);color:var(--color-brand-text-secondary);text-decoration:none;background:none;border:none;cursor:pointer;padding:0;transition:color .15s}.nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--color-brand-text)}.nav-link-accent[data-astro-cid-3ef6ksr2]{font-size:var(--text-brand-sm);color:var(--color-brand-accent);text-decoration:none}.nav-link-accent[data-astro-cid-3ef6ksr2]:hover{color:var(--color-brand-accent-hover)}.nav-cta[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;padding:var(--space-brand-2) var(--space-brand-4);border-radius:var(--radius-brand-md);background-color:var(--color-brand-accent);color:#fff;font-size:var(--text-brand-sm);font-weight:var(--weight-brand-medium);text-decoration:none;transition:background-color .15s}.nav-cta[data-astro-cid-3ef6ksr2]:hover{background-color:var(--color-brand-accent-hover)}.mobile-menu-btn[data-astro-cid-3ef6ksr2]{display:none;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;padding:0;border:none;background:none;color:var(--color-brand-text-secondary);cursor:pointer;transition:color .15s;-webkit-tap-highlight-color:transparent}.mobile-menu-btn[data-astro-cid-3ef6ksr2]:hover{color:var(--color-brand-text)}.mobile-menu[data-astro-cid-3ef6ksr2]{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;gap:var(--space-brand-1);padding:var(--space-brand-4) var(--space-brand-6) var(--space-brand-6);background:var(--color-brand-bg);border-bottom:1px solid var(--color-brand-border);animation:slideDown .15s ease-out}@media(max-width:767px){.header[data-astro-cid-3ef6ksr2]{padding:0 var(--space-brand-6)}.nav-desktop[data-astro-cid-3ef6ksr2]{display:none}.mobile-menu-btn[data-astro-cid-3ef6ksr2],.mobile-menu[data-astro-cid-3ef6ksr2].open{display:flex}.mobile-menu-link[data-astro-cid-3ef6ksr2]{display:block;padding:var(--space-brand-3) 0;font-size:var(--text-brand-base);color:var(--color-brand-text-secondary);text-decoration:none;transition:color .15s}.mobile-menu-link[data-astro-cid-3ef6ksr2]:hover{color:var(--color-brand-text)}.mobile-menu-link-accent[data-astro-cid-3ef6ksr2]{color:var(--color-brand-accent)}.mobile-menu-cta[data-astro-cid-3ef6ksr2]{display:block;text-align:center;margin-top:var(--space-brand-2)}}@media(min-width:768px){.mobile-menu[data-astro-cid-3ef6ksr2]{display:none}}@keyframes slideDown{0%{opacity:0;transform:translateY(-.5rem)}to{opacity:1;transform:translateY(0)}}