WildRoot/Assets/Script/ShieldRelocator.cs

using UnityEngine;
using UnityEngine.UI;

public class ShieldRelocator : MonoBehaviour
{
    public Transform pcAnchor;       
    public Transform mobileAnchor;  

    void Awake()
    {
        bool isMobile = Application.isMobilePlatform;
        Transform targetParent = isMobile ? mobileAnchor : pcAnchor;

        transform.SetParent(targetParent, false);

        RectTransform rect = GetComponent<RectTransform>();

        rect.pivot = new Vector2(0.5f, 0.5f);

        rect.anchorMin = new Vector2(0.5f, 0.5f);
        rect.anchorMax = new Vector2(0.5f, 0.5f);

        rect.anchoredPosition = Vector2.zero;

        LayoutRebuilder.ForceRebuildLayoutImmediate(rect);
    }
}