:root{--bg:#f6f1e8;--bg-strong:#e8d9c2;--surface:#fffbf5c7;--surface-strong:#43301deb;--border:#4b352024;--text:#23180f;--muted:#68513d;--accent:#a94f2d;--accent-strong:#7d3114;--ok:#2f6a4f;--warn:#8b5a13;--danger:#923127;--shadow:0 18px 50px #3d271524;--radius-lg:28px;--radius-md:18px;--radius-sm:12px;--font-body:"Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;--font-display:"Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;color:var(--text);font-family:var(--font-body);background:radial-gradient(circle at 0 0,#fffc,#0000 30%),radial-gradient(circle at 100% 100%,#a94f2d1f,#0000 30%),linear-gradient(#f8f2e9 0%,#f0e3d0 55%,#e8dccf 100%);margin:0}a{color:inherit;text-decoration:none}button{font:inherit}