:root{--brand-brown: #3d2817;--brand-brown-light: #5c4a3a;--brand-green: #2ea838;--brand-green-deep: #1f7a28;--bg-primary: #faf7f2;--bg-secondary: #f2ede4;--text-primary: #2a1f18;--text-secondary: #6b5f52;--border-subtle: #e8dfd2;--border-strong: #bfb2a0;--heading-color: var(--brand-brown);--link-color: var(--brand-green-deep);--link-color-hover: var(--brand-brown);--focus-ring: 0 0 0 3px rgba(46, 168, 56, .35);--font-sans: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--leading-tight: 1.25;--leading-snug: 1.4;--leading-normal: 1.7;--leading-relaxed: 1.85;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: clamp(1.2rem, 1.1rem + .4vw, 1.375rem);--text-2xl: clamp(1.5rem, 1.35rem + .8vw, 1.875rem);--text-3xl: clamp(1.875rem, 1.6rem + 1.4vw, 2.5rem);--text-4xl: clamp(2.25rem, 1.85rem + 2vw, 3.25rem);--space-1: .25rem;--space-2: .5rem;--space-3: 1rem;--space-4: 1.5rem;--space-5: 2rem;--space-6: 3rem;--space-7: 4rem;--space-8: 6rem;--space-9: 8rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(61, 40, 23, .04);--shadow-md: 0 2px 8px rgba(61, 40, 23, .06);--container-max: 72rem;--container-narrow: 56rem;--container-padding-x: clamp(1rem, 3vw, 2rem);color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg-primary: #1f1612;--bg-secondary: #2a1f18;--text-primary: #faf7f2;--text-secondary: #bfb2a0;--border-subtle: #3d2817;--border-strong: #5c4a3a;--brand-green: #4fc059;--heading-color: var(--text-primary);--link-color: var(--brand-green);--link-color-hover: #9fe8a7;--focus-ring: 0 0 0 3px rgba(79, 192, 89, .45)}}*,*:before,*:after{box-sizing:border-box}html{text-size-adjust:100%;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;min-height:100dvh;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:var(--text-base);font-weight:400;line-height:var(--leading-normal);font-feature-settings:"palt";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,svg{display:block;max-width:100%;height:auto}a{color:var(--link-color);text-decoration:underline;text-underline-offset:.2em;text-decoration-thickness:1px;transition:color .12s ease,text-decoration-color .12s ease}a:hover{color:var(--link-color-hover)}a:focus-visible,button:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-sm)}h1,h2,h3,h4,h5,h6{margin:0 0 var(--space-3);color:var(--heading-color);font-weight:700;line-height:var(--leading-tight);letter-spacing:-.01em}h1{font-size:var(--text-4xl);letter-spacing:-.02em}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-xl)}p{margin:0 0 var(--space-3)}ul,ol{margin:0 0 var(--space-3);padding-left:1.2rem}li+li{margin-top:var(--space-1)}hr{border:0;border-top:1px solid var(--border-subtle);margin:var(--space-6) 0}dl{margin:0}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-padding-x)}.container--narrow{max-width:var(--container-narrow)}.section{padding-block:clamp(var(--space-6),5vw,var(--space-8))}.section--tight{padding-block:clamp(var(--space-5),3vw,var(--space-6))}.stack>*+*{margin-top:var(--space-3)}.stack-lg>*+*{margin-top:var(--space-5)}.muted{color:var(--text-secondary)}.eyebrow{display:inline-block;font-size:var(--text-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-green-deep);margin-bottom:var(--space-2)}@media(prefers-color-scheme:dark){.eyebrow{color:var(--brand-green)}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(100%);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.site-header[data-astro-cid-3ef6ksr2]{padding-block:var(--space-4);border-bottom:1px solid var(--border-subtle);background-color:var(--bg-primary)}.site-header__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.site-header__logo[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;text-decoration:none;border-radius:var(--radius-md)}.site-header__logo[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{height:2rem;width:auto}@media(min-width:768px){.site-header__logo[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{height:2.25rem}}@media(prefers-color-scheme:dark){.site-header__logo[data-astro-cid-3ef6ksr2]{padding:.35rem .75rem;background-color:#faf7f2}}.site-footer[data-astro-cid-sz7xmlte]{margin-top:var(--space-8);padding-block:var(--space-6) var(--space-4);background-color:var(--bg-secondary);border-top:1px solid var(--border-subtle);color:var(--text-secondary);font-size:var(--text-sm)}.site-footer__inner[data-astro-cid-sz7xmlte]{display:grid;gap:var(--space-5);grid-template-columns:1fr;align-items:start}@media(min-width:768px){.site-footer__inner[data-astro-cid-sz7xmlte]{grid-template-columns:1.2fr 1fr auto;gap:var(--space-6)}}.site-footer__company[data-astro-cid-sz7xmlte]{font-weight:700;color:var(--text-primary);margin:0 0 var(--space-1)}.site-footer__meta[data-astro-cid-sz7xmlte]{margin:0}.site-footer__nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-2)}.site-footer__nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--text-secondary);text-decoration:none}.site-footer__nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--brand-green-deep);text-decoration:underline}@media(prefers-color-scheme:dark){.site-footer__nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--brand-green)}}.site-footer__security[data-astro-cid-sz7xmlte] img[data-astro-cid-sz7xmlte]{width:88px;height:auto}.site-footer__copyright[data-astro-cid-sz7xmlte]{margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--border-subtle)}.site-footer__copyright[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{margin:0;font-size:var(--text-xs)}