:root { font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif; color: #4f301d; background: #f4b444; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; padding: 24px 16px 50px; background: linear-gradient(145deg, #e38c2e, #f7c35d); }
main { width: min(100%, 720px); margin: auto; }
.back { display: inline-block; margin-bottom: 18px; color: #633316; font-weight: 800; text-underline-offset: 3px; }
article { padding: clamp(22px, 5vw, 48px); border: 1px solid #f5dda8; border-radius: 20px; background: #fffaf0ed; box-shadow: 0 16px 36px #74351230; }
h1 { margin-top: 0; font-size: clamp(1.45rem, 5vw, 2rem); }
h2 { margin-top: 2em; color: #8a441d; font-size: 1.05rem; }
p, li { font-size: .9rem; line-height: 1.9; }
.updated { color: #896d57; font-size: .75rem; }
a { color: #8c421d; }