:root{--bg:#f6f2ea;--surface:#ffffffb3;--card:#ffffffc7;--text:#171717;--muted:#6d675f;--line:#17171714;--accent:#c49b5a;--shadow:0 20px 50px #00000014}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text);background:radial-gradient(circle at top left,#c49b5a1a,transparent 24%),linear-gradient(180deg,#fbf8f3 0%,var(--bg)100%);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}:root{--font-ui-jp:var(--font-noto-jp),"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",sans-serif}html,body{font-family:var(--font-ui-jp)}