@import"https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500;700;900&family=Zen+Old+Mincho:wght@400;500;700;900&family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&display=swap";:root{--color-paper: #FBF7F1;--color-paper-light: #FFFDF8;--color-surface: #FFFFFF;--color-surface-warm: #F7EFE5;--color-ink: #312A24;--color-ink-soft: #6E6258;--color-ink-mute: #9A8C7C;--color-ink-faint: #CDBFAE;--color-accent: #A97755;--color-accent-hover: #8F6042;--color-accent-soft: #E9D7C6;--color-money: #C18F57;--color-money-soft: #F4E6D3;--color-study: #758760;--color-study-soft: #E3E9D9;--color-family: #B67A73;--color-family-soft: #F2DFDA;--color-border: #E8DDCF;--color-border-soft: #F1E9DE;--color-border-strong: #D3BFA8;--color-success: #7A8B6A;--color-warning: #C89B4F;--color-danger: #B8655F;--color-link: #B8886A;--font-sans: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;--font-serif: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;--font-num: "Fraunces", "Zen Old Mincho", Georgia, serif;--font-mono: "SF Mono", "Menlo", "Consolas", monospace;--fs-xs: .75rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-md: 1.0625rem;--fs-lg: 1.25rem;--fs-xl: 1.5rem;--fs-2xl: 1.875rem;--fs-3xl: 2.25rem;--lh-tight: 1.25;--lh-snug: 1.5;--lh-normal: 1.75;--lh-relaxed: 1.9;--ls-tight: -.01em;--ls-normal: .02em;--ls-wide: .05em;--fw-regular: 400;--fw-medium: 500;--fw-bold: 700;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--radius-xs: 4px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px;--radius-xl: 14px;--shadow-sm: 0 1px 2px rgba(49, 42, 36, .04);--shadow-md: 0 8px 24px rgba(49, 42, 36, .06);--shadow-lg: 0 16px 40px rgba(49, 42, 36, .08);--easing-standard: cubic-bezier(.4, 0, .2, 1);--duration-fast: .15s;--duration-base: .2s;--duration-slow: .3s;--content-max: 680px;--layout-max: 1040px;--sidebar-width: 300px}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);font-weight:var(--fw-regular);font-size:var(--fs-base);line-height:var(--lh-relaxed);letter-spacing:var(--ls-normal);color:var(--color-ink);background:linear-gradient(180deg,#fffdf8e0,#fbf7f1 280px),var(--color-paper);text-rendering:optimizeLegibility;margin:0;padding:0}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:var(--fw-medium);color:var(--color-ink);letter-spacing:.03em;line-height:var(--lh-tight);margin:0}h1{font-size:var(--fs-3xl);line-height:1.35}h2{font-size:var(--fs-2xl);line-height:1.4}h3{font-size:var(--fs-xl);line-height:1.45}h4{font-size:var(--fs-lg);font-family:var(--font-sans);font-weight:var(--fw-bold)}h5,h6{font-size:var(--fs-md);font-family:var(--font-sans);font-weight:var(--fw-bold)}p{margin:0;line-height:var(--lh-relaxed)}a{color:var(--color-link);text-decoration:none;text-underline-offset:.18em;transition:color var(--duration-base) var(--easing-standard)}a:hover{color:var(--color-accent-hover)}img{max-width:100%;height:auto;border-radius:var(--radius-sm)}strong,b{font-weight:var(--fw-bold)}code{padding:2px 5px;background:var(--color-surface-warm);border-radius:var(--radius-xs);font-family:var(--font-mono);font-size:.875em}pre{padding:1.5em;border-radius:var(--radius-md);background:var(--color-surface-warm);overflow-x:auto}pre>code{all:unset;font-family:var(--font-mono);font-size:var(--fs-sm)}blockquote{border-left:2px solid var(--color-accent);padding:0 0 0 20px;margin:0;color:var(--color-ink-soft)}hr{border:none;border-top:1px solid var(--color-border)}.num{font-family:var(--font-num);font-feature-settings:"tnum";letter-spacing:var(--ls-tight)}.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}@media(max-width:720px){body{font-size:15px}}header[data-astro-cid-3ef6ksr2]{background:#fffdf8f0;border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.inner[data-astro-cid-3ef6ksr2]{max-width:var(--layout-max);margin:0 auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between}.logo[data-astro-cid-3ef6ksr2]{text-decoration:none;border-bottom:none;color:inherit}.logo[data-astro-cid-3ef6ksr2]:hover{color:inherit}.logo-title[data-astro-cid-3ef6ksr2]{display:flex;align-items:baseline;gap:6px}.logo-macomo[data-astro-cid-3ef6ksr2]{font-family:var(--font-serif);font-size:25px;font-weight:500;color:var(--color-ink);letter-spacing:.02em}.logo-dot[data-astro-cid-3ef6ksr2]{width:6px;height:6px;border-radius:50%;background:var(--color-accent);display:inline-block;flex-shrink:0}.logo-note[data-astro-cid-3ef6ksr2]{font-family:var(--font-serif);font-size:25px;font-weight:500;color:var(--color-ink)}.logo-sub[data-astro-cid-3ef6ksr2]{font-size:10px;color:var(--color-study);letter-spacing:.2em;margin-top:2px}nav[data-astro-cid-3ef6ksr2]{display:flex;gap:28px;align-items:center}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{font-family:var(--font-sans);font-size:13px;color:var(--color-ink);letter-spacing:.08em;border-bottom:1px solid transparent;padding:6px 0 5px;transition:color var(--duration-base) var(--easing-standard),border-color var(--duration-base) var(--easing-standard)}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover,nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--color-accent);border-bottom-color:var(--color-accent)}.search-icon[data-astro-cid-3ef6ksr2]{font-size:16px;border-bottom:none!important;padding:10px!important;margin:-10px;min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}@media(max-width:600px){.inner[data-astro-cid-3ef6ksr2]{padding:10px 16px;flex-direction:column;align-items:flex-start;gap:6px}.logo-macomo[data-astro-cid-3ef6ksr2],.logo-note[data-astro-cid-3ef6ksr2]{font-size:20px}nav[data-astro-cid-3ef6ksr2]{gap:16px;flex-wrap:wrap}nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{font-size:12px}}.site-footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--color-border);margin-top:80px;background:var(--color-paper);padding:56px 24px 32px}.footer-inner[data-astro-cid-sz7xmlte]{max-width:var(--layout-max);margin:0 auto}.footer-brand[data-astro-cid-sz7xmlte]{margin-bottom:40px}.logo[data-astro-cid-sz7xmlte]{font-family:var(--font-serif);font-size:20px;color:var(--color-ink);letter-spacing:.06em}.dot[data-astro-cid-sz7xmlte]{color:var(--color-accent)}.brand-desc[data-astro-cid-sz7xmlte]{font-size:12px;color:var(--color-ink-mute);letter-spacing:.05em;margin-top:6px}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding-bottom:40px;border-bottom:1px solid var(--color-border-soft);margin-bottom:24px}.footer-column[data-astro-cid-sz7xmlte] h3[data-astro-cid-sz7xmlte]{font-size:11px;color:var(--color-ink-mute);letter-spacing:.15em;margin:0 0 14px}.footer-column[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.footer-column[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{font-size:13px;color:var(--color-ink-soft);text-decoration:none;transition:color var(--duration-base) var(--easing-standard)}.footer-column[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-accent)}.footer-bottom[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{font-size:11px;color:var(--color-ink-mute);letter-spacing:.1em;margin:0}@media(max-width:768px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr;gap:24px}}@media(max-width:600px){.site-footer[data-astro-cid-sz7xmlte]{padding:40px 16px 24px}.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr;gap:24px 16px}.footer-column[data-astro-cid-sz7xmlte]:first-child{grid-column:1 / -1}}