:root{--green-900:#1b5e20;--green-700:#2e7d32;--green-600:#43a047;--green-100:#c8e6c9;--green-50:#e8f5e9;--bg:#f3faf3;--text:#2b2b2b;--muted:#6b7b6b;--card:#ffffff;--orange:#e65100;--red:#d32f2f;--blue:#1565c0}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,BIZ UDPGothic,Meiryo,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.9}a{color:var(--green-700)}a:hover{color:var(--green-600)}img{max-width:100%;height:auto}.container{max-width:900px;margin:0 auto;padding:0 16px}.site-header{background:linear-gradient(135deg,var(--green-900),var(--green-600));color:#fff;padding:10px 0;box-shadow:0 2px 6px rgba(0,60,0,.25)}.site-header .container{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}.site-logo{display:block;line-height:0;background:var(--green-50);border-radius:14px;padding:6px 10px;box-shadow:0 2px 6px 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