:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f7f8fa;--surface:#fff;--surface-alt:#eef4f1;--ink:#17211d;--muted:#5c6863;--line:#d9e0dc;--brand:#087f6f;--brand-strong:#055f55;--accent:#b7791f;--danger:#b42318;--ok:#1f7a4d;--watch:#5e5aa8;--shadow:0 18px 48px #17211d14;font-family:Inter,Noto Sans JP,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif}*{box-sizing:border-box}html{background:var(--bg);color:var(--ink);scroll-behavior:smooth}body{min-width:320px;margin:0;line-height:1.75}a{color:var(--brand-strong);text-underline-offset:.22em;text-decoration-thickness:.08em}img{max-width:100%;height:auto;display:block}button,input,select{font:inherit}.site-shell{flex-direction:column;min-height:100vh;display:flex}.container{width:min(1120px,100% - 32px);margin-inline:auto}.site-header{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f7f8faf5;border-bottom:1px solid 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