:root{color-scheme:light dark;--color-bg:#f6f8fa;--color-surface:#fff;--color-surface-alt:#eef1f4;--color-text:#1b2533;--color-text-muted:#536073;--color-border:#dbe2ea;--color-primary:#1d5fa3;--color-primary-hover:#174d85;--color-on-primary:#fff;--color-brand:#2c93eb;--color-focus:#1d5fa3;--color-notice-bg:#fdf6e7;--color-notice-border:#d9b867;--color-draft-bg:#fdf0f5;--color-draft-border:#b0487a;--font-sans:"Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "YuGothic", "Meiryo", sans-serif;--fw-regular:400;--fw-medium:500;--fw-bold:700;--fs-xs:.75rem;--fs-sm:.875rem;--fs-base:1rem;--fs-lg:1.125rem;--fs-xl:clamp(1.25rem, 1.1rem + .6vw, 1.5rem);--fs-2xl:clamp(1.5rem, 1.25rem + 1vw, 2rem);--fs-3xl:clamp(1.75rem, 1.4rem + 1.6vw, 2.5rem);--lh-body:1.8;--lh-heading:1.45;--ls-brand:.04em;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--gutter:clamp(1rem, 4vw, 2rem);--container:72rem;--measure:40em;--header-h:4rem;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--shadow-sm:0 1px 2px #10161f0f, 0 1px 3px #10161f14;--transition:.15s ease}@media (prefers-color-scheme:dark){:root{--color-bg:#10161f;--color-surface:#18212d;--color-surface-alt:#1c2531;--color-text:#e3e9f1;--color-text-muted:#a0adbf;--color-border:#2a3545;--color-primary:#6db3f2;--color-primary-hover:#8ec5f5;--color-on-primary:#0d1522;--color-brand:#2c93eb;--color-focus:#6db3f2;--color-notice-bg:#2a2415;--color-notice-border:#7a6532;--color-draft-bg:#2a1822;--color-draft-border:#d77aa6;--shadow-sm:0 1px 2px #0000004d}}*,:before,:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--color-bg);min-height:100dvh;color:var(--color-text);font-family:var(--font-sans);font-size:var(--fs-base);line-height:var(--lh-body);overflow-wrap:anywhere;-webkit-font-smoothing:antialiased;flex-direction:column;display:flex;overflow-x:clip}img,svg,video,iframe{max-width:100%;display:block}img,video{height:auto}input,button,textarea,select{font:inherit;color:inherit}h1,h2,h3,h4{line-height:var(--lh-heading);font-weight:var(--fw-bold);overflow-wrap:normal;word-break:auto-phrase}h1{font-size:var(--fs-3xl)}h2{font-size:var(--fs-2xl)}h3{font-size:var(--fs-xl)}h4{font-size:var(--fs-lg)}p,li{text-wrap:pretty}a{color:var(--color-primary);text-underline-offset:.2em;transition:color var(--transition)}a:hover{color:var(--color-primary-hover)}:focus-visible{outline:3px solid 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.btn[data-astro-cid-nen7h5rs]{font-size:.9375rem}}.site-footer[data-astro-cid-jo6i4kqk]{background:var(--color-surface);border-top:1px solid var(--color-border);font-size:var(--fs-sm);margin-top:auto}.footer-inner[data-astro-cid-jo6i4kqk]{gap:var(--space-5);padding-block:var(--space-6) var(--space-5);display:grid}.footer-brand[data-astro-cid-jo6i4kqk]{align-items:center;gap:var(--space-3);line-height:1.4;display:flex}.footer-name[data-astro-cid-jo6i4kqk]{color:var(--color-primary);font-weight:var(--fw-bold);letter-spacing:var(--ls-brand)}.footer-tagline[data-astro-cid-jo6i4kqk]{color:var(--color-text-muted);font-size:var(--fs-xs)}ul[data-astro-cid-jo6i4kqk]{padding:0;list-style:none}.footer-nav[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{gap:var(--space-1) var(--space-5);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.footer-nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk],.legal-list[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{padding-block:var(--space-1);color:var(--color-text);text-decoration:none;display:inline-block}.footer-nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover,.legal-list[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--color-primary);text-decoration:underline}.footer-bottom[data-astro-cid-jo6i4kqk]{gap:var(--space-3);padding-top:var(--space-5);border-top:1px solid var(--color-border);display:grid}.legal-list[data-astro-cid-jo6i4kqk]{gap:var(--space-1) var(--space-5);flex-wrap:wrap;display:flex}.legal-list[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk],.copyright[data-astro-cid-jo6i4kqk]{color:var(--color-text-muted)}@media (width>=48rem){.footer-inner[data-astro-cid-jo6i4kqk]{align-items:start;column-gap:var(--space-8);grid-template-columns:auto 1fr}.footer-nav[data-astro-cid-jo6i4kqk] 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