@property --sky-top{syntax:"<color>";inherits:true;initial-value:#a8c8e0}@property --sky-bottom{syntax:"<color>";inherits:true;initial-value:#7ba6c8}:root{--sky-top:#a8c8e0;--sky-bottom:#7ba6c8;--text:#1c2430;--card-bg:#ffffffb8;--card-border:#ffffff8c;--radius:16px;--font-body:-apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%}body{font-family:var(--font-body);color:var(--text);background:linear-gradient(180deg, var(--sky-top), var(--sky-bottom)) fixed;-webkit-font-smoothing:antialiased;line-height:1.6}a{color:inherit}button,input,textarea{font:inherit;color:inherit}