body { font-family: "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; background-color: #fffaf1; color: #333; line-height: 1.9; max-width: 780px; margin: 3em auto; padding: 2.5em 2.5em; box-shadow: 0 0 15px rgba(200, 150, 100, 0.15); border-radius: 12px; } h1 { font-size: 1.8em; color: #d2691e; borde…