:root{--color-primary: #1b5e20;--color-secondary: #4caf50;--color-accent: #c0ca33;--color-bg: #f9fbf9;--color-bg-alt: #ffffff;--color-text-main: #2c3e50;--color-text-light: #5d6d7e;--color-text-inverse: #ffffff;--font-family-base: "Inter", "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;--spacing-unit: 8px;--container-width: 1200px}body{margin:0;font-family:var(--font-family-base);color:var(--color-text-main);background-color:var(--color-bg);line-height:1.6}*{box-sizing:border-box}h1,h2,h3{color:var(--color-primary);margin-top:0}.container{max-width:var(--container-width);margin:0 auto;padding:0 16px}button{cursor:pointer;font-family:inherit;transition:all .2s ease}button:hover{transform:translateY(-2px);filter:brightness(1.1)}.card{padding:24px;background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000000d;border:1px solid rgba(0,0,0,.05)}