body { background: #ffeef5; /* さくらピンク */ color: #333; font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; line-height: 1.9; max-width: 720px; margin: 3em auto; padding: 2em; border-radius: 20px; box-shadow: 0 0 12px rgba(255, 192, 203, 0.3); background-image: url('https://cdn.pixabay.…