*{box-sizing:border-box;margin:0;padding:0}:root{--green-dark:#2d6a4f;--green-mid:#40916c;--green-light:#74c69d;--green-pale:#d8f3dc;--bg:#f8fffe;--text:#1b1b1b;--text-light:#555;--border:#b7e4c7;--white:#ffffff;--shadow:0 2px 12px rgba(45,106,79,0.1);--radius:12px}body,html{font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}