@import"https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600&family=Noto+Serif+JP:wght@400;500;600&family=Noto+Sans+JP:wght@300;400;500&display=swap";.site-header[data-astro-cid-3ef6ksr2]{padding:1.5rem;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:10;backdrop-filter:saturate(180%) blur(8px);-webkit-backdrop-filter:saturate(180%) blur(8px)}.inner[data-astro-cid-3ef6ksr2]{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.site-brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:.55rem;color:var(--text);font-family:var(--font-serif);font-size:1.1rem;letter-spacing:.05em}.brand-mark[data-astro-cid-3ef6ksr2]{font-size:1.15rem;color:var(--accent);line-height:1}.site-brand[data-astro-cid-3ef6ksr2]:hover{color:var(--accent)}nav[data-astro-cid-3ef6ksr2]{display:flex;gap:1.8rem;font-size:.72rem;letter-spacing:.25em}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--text-muted);position:relative;padding-bottom:2px}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;bottom:0;left:50%;width:0;height:1px;background:var(--accent);transition:width .3s ease,left .3s ease}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--text)}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover:after{width:100%;left:0}@media(max-width:600px){.site-header[data-astro-cid-3ef6ksr2]{padding:1.2rem 1.25rem}nav[data-astro-cid-3ef6ksr2]{gap:1.3rem}}.site-footer[data-astro-cid-sz7xmlte]{padding:3rem 1.5rem 2.5rem;border-top:1px solid var(--border);margin-top:6rem;background:var(--bg)}.inner[data-astro-cid-sz7xmlte]{max-width:1100px;margin:0 auto;text-align:center}.foot-brand[data-astro-cid-sz7xmlte]{font-family:var(--font-serif);font-size:1rem;letter-spacing:.12em;color:var(--text);margin-bottom:.8rem}.foot-mark[data-astro-cid-sz7xmlte]{color:var(--accent);margin-right:.4rem}.copy[data-astro-cid-sz7xmlte]{font-size:.72rem;letter-spacing:.15em;color:var(--text-subtle);margin:0}:root{--bg: #FBFAF6;--bg-alt: #FFFFFF;--text: #1A1A1A;--text-muted: #6B6B6B;--text-subtle: #9B9B9B;--accent: #0A2540;--accent-soft: #3A5A7A;--border: #E8E6DF;--shadow: rgba(10, 37, 64, .08);--font-serif: "Cormorant Garamond", "Noto Serif JP", "Hiragino Mincho ProN", serif;--font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0B1419;--bg-alt: #131D23;--text: #F0EDE3;--text-muted: #A8ADAF;--text-subtle: #6D7276;--accent: #5FB3D4;--accent-soft: #A0D4E5;--border: #1F2C33;--shadow: rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html{font-family:var(--font-sans);color:var(--text);background-color:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-height:100vh;display:flex;flex-direction:column}main{flex:1;width:100%}.container{max-width:680px;margin:0 auto;padding:0 1.5rem}.container-wide{max-width:1100px;margin:0 auto;padding:0 1.5rem}h1,h2,h3,h4{font-family:var(--font-serif);font-weight:500;letter-spacing:.02em;line-height:1.35;color:var(--text);margin:2.5rem 0 1rem}h1{font-size:2rem}h2{font-size:1.55rem}h3{font-size:1.25rem}h4{font-size:1.1rem}p{margin:.8rem 0 1.5rem;font-size:1rem}a{color:var(--accent);text-decoration:none;transition:color .25s ease}a:hover{color:var(--accent-soft)}img{max-width:100%;height:auto;display:block}pre,code{font-family:SF Mono,Menlo,Consolas,monospace;background:var(--bg-alt);border:1px solid var(--border);border-radius:4px}code{padding:.1rem .4rem;font-size:.9em}pre{padding:1rem;overflow-x:auto}pre code{background:none;border:none;padding:0}blockquote{border-left:3px solid var(--accent);padding:.5rem 0 .5rem 1.5rem;color:var(--text-muted);margin:2rem 0;font-style:italic}hr{border:none;border-top:1px solid var(--border);margin:3rem auto;width:40%}ul,ol{padding-left:1.5rem}li{margin:.4rem 0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeInUp .9s ease-out both}@media(max-width:720px){html{line-height:1.75}h1{font-size:1.6rem}h2{font-size:1.35rem}h3{font-size:1.15rem}.container,.container-wide{padding:0 1.25rem}}