diff --git a/Examples b/Examples
index a5914a9..4878f8d 160000
--- a/Examples
+++ b/Examples
@@ -1 +1 @@
-Subproject commit a5914a92198efb1422bd66f84e8cde6cb0842b87
+Subproject commit 4878f8d7d74c72a334b6204dffc9cb117a9463f2
diff --git a/Scripts/Layout/FancyScrollView/Core/FancyScrollView.cs b/Scripts/Layout/FancyScrollView/Core/FancyScrollView.cs
index c524730..a225142 100644
--- a/Scripts/Layout/FancyScrollView/Core/FancyScrollView.cs
+++ b/Scripts/Layout/FancyScrollView/Core/FancyScrollView.cs
@@ -5,26 +5,84 @@ using System.Collections.Generic;
 
 namespace UnityEngine.UI.Extensions
 {
+    /// <summary>
+    /// スクロールビューを実装するための抽象基底クラス.
+    /// 無限スクロールおよびスナップに対応しています.
+    /// <see cref="FancyScrollView{TItemData, TContext}.Context"/> が不要な場合は
+    /// 代わりに <see cref="FancyScrollView{TItemData}"/> を使用します.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <typeparam name="TContext"><see cref="Context"/> の型.</typeparam>
     public abstract class FancyScrollView<TItemData, TContext> : MonoBehaviour where TContext : class, new()
     {
+        /// <summary>
+        /// セル同士の間隔.
+        /// </summary>
         [SerializeField, Range(1e-2f, 1f)] protected float cellInterval = 0.2f;
+
+        /// <summary>
+        /// スクロール位置の基準.
+        /// </summary>
+        /// <remarks>
+        /// たとえば、 <c>0.5</c> を指定してスクロール位置が <c>0</c> の場合, 中央に最初のセルが配置されます.
+        /// </remarks>
         [SerializeField, Range(0f, 1f)] protected float scrollOffset = 0.5f;
+
+        /// <summary>
+        /// セルを循環して配置させるどうか.
+        /// </summary>
+        /// <remarks>
+        /// <c>true</c> にすると最後のセルの後に最初のセル, 最初のセルの前に最後のセルが並ぶようになります.
+        /// 無限スクロールを実装する場合は <c>true</c> を指定します.
+        /// </remarks>
         [SerializeField] protected bool loop = false;
+
+        /// <summary>
+        /// セルの親要素となる <c>Transform</c>.
+        /// </summary>
         [SerializeField] protected Transform cellContainer = default;
 
         readonly IList<FancyScrollViewCell<TItemData, TContext>> pool =
             new List<FancyScrollViewCell<TItemData, TContext>>();
 
+        /// <summary>
+        /// 初期化済みかどうか.
+        /// </summary>
+        protected bool initialized;
+
+        /// <summary>
+        /// 現在のスクロール位置.
+        /// </summary>
         protected float currentPosition;
 
+        /// <summary>
+        /// セルの Prefab.
+        /// </summary>
         protected abstract GameObject CellPrefab { get; }
+
+        /// <summary>
+        /// アイテム一覧のデータ.
+        /// </summary>
         protected IList<TItemData> ItemsSource { get; set; } = new List<TItemData>();
+
+        /// <summary>
+        /// <typeparamref name="TContext"/> のインスタンス.
+        /// セルとスクロールビュー間で同じインスタンスが共有されます. 情報の受け渡しや状態の保持に使用します.
+        /// </summary>
         protected TContext Context { get; } = new TContext();
 
         /// <summary>
-        /// Updates the contents.
+        /// 初期化を行います.
         /// </summary>
-        /// <param name="itemsSource">Items source.</param>
+        /// <remarks>
+        /// 最初にセルが生成される直前に呼び出されます.
+        /// </remarks>
+        protected virtual void Initialize() { }
+
+        /// <summary>
+        /// 渡されたアイテム一覧に基づいて表示内容を更新します.
+        /// </summary>
+        /// <param name="itemsSource">アイテム一覧.</param>
         protected virtual void UpdateContents(IList<TItemData> itemsSource)
         {
             ItemsSource = itemsSource;
@@ -32,18 +90,24 @@ namespace UnityEngine.UI.Extensions
         }
 
         /// <summary>
-        /// Refreshes the cells.
+        /// セルの表示内容を更新します.
         /// </summary>
         protected virtual void Refresh() => UpdatePosition(currentPosition, true);
 
         /// <summary>
-        /// Updates the scroll position.
+        /// スクロール位置を更新します.
         /// </summary>
-        /// <param name="position">Position.</param>
+        /// <param name="position">スクロール位置.</param>
         protected virtual void UpdatePosition(float position) => UpdatePosition(position, false);
 
-        protected void UpdatePosition(float position, bool forceRefresh)
+        void UpdatePosition(float position, bool forceRefresh)
         {
+            if (!initialized)
+            {
+                Initialize();
+                initialized = true;
+            }
+
             currentPosition = position;
 
             var p = position - scrollOffset / cellInterval;
@@ -66,7 +130,8 @@ namespace UnityEngine.UI.Extensions
             var addCount = Mathf.CeilToInt((1f - firstPosition) / cellInterval) - pool.Count;
             for (var i = 0; i < addCount; i++)
             {
-                var cell = Instantiate(CellPrefab, cellContainer).GetComponent<FancyScrollViewCell<TItemData, TContext>>();
+                var cell = Instantiate(CellPrefab, cellContainer)
+                    .GetComponent<FancyScrollViewCell<TItemData, TContext>>();
                 if (cell == null)
                 {
                     throw new MissingComponentException(
@@ -118,7 +183,9 @@ namespace UnityEngine.UI.Extensions
 
         void LateUpdate()
         {
-            if (cachedLoop != loop || cachedCellInterval != cellInterval || cachedScrollOffset != scrollOffset)
+            if (cachedLoop != loop ||
+                cachedCellInterval != cellInterval ||
+                cachedScrollOffset != scrollOffset)
             {
                 cachedLoop = loop;
                 cachedCellInterval = cellInterval;
@@ -130,7 +197,16 @@ namespace UnityEngine.UI.Extensions
 #endif
     }
 
+    /// <summary>
+    /// <see cref="FancyScrollView{TItemData}"/> のコンテキストクラス.
+    /// </summary>
     public sealed class FancyScrollViewNullContext { }
 
+    /// <summary>
+    /// スクロールビューを実装するための抽象基底クラス.
+    /// 無限スクロールおよびスナップに対応しています.
+    /// </summary>
+    /// <typeparam name="TItemData"></typeparam>
+    /// <seealso cref="FancyScrollView{TItemData, TContext}"/>
     public abstract class FancyScrollView<TItemData> : FancyScrollView<TItemData, FancyScrollViewNullContext> { }
 }
\ No newline at end of file
diff --git a/Scripts/Layout/FancyScrollView/Core/FancyScrollViewCell.cs b/Scripts/Layout/FancyScrollView/Core/FancyScrollViewCell.cs
index 7628d28..676a9a7 100644
--- a/Scripts/Layout/FancyScrollView/Core/FancyScrollViewCell.cs
+++ b/Scripts/Layout/FancyScrollView/Core/FancyScrollViewCell.cs
@@ -3,53 +3,64 @@
 
 namespace UnityEngine.UI.Extensions
 {
+    /// <summary>
+    /// <see cref="FancyScrollView{TItemData, TContext}"/> のセルを実装するための抽象基底クラス.
+    /// <see cref="FancyScrollViewCell{TItemData, TContext}.Context"/> が不要な場合は
+    /// 代わりに <see cref="FancyScrollViewCell{TItemData}"/> を使用します.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <typeparam name="TContext"><see cref="Context"/> の型.</typeparam>
     public abstract class FancyScrollViewCell<TItemData, TContext> : MonoBehaviour where TContext : class, new()
     {
         /// <summary>
-        /// Gets or sets the index of the data.
+        /// このセルで表示しているデータのインデックス.
         /// </summary>
-        /// <value>The index of the data.</value>
         public int Index { get; set; } = -1;
 
         /// <summary>
-        /// Gets a value indicating whether this <see cref="T:FancyScrollView.FancyScrollViewCell`2"/> is visible.
+        /// このセルの可視状態.
         /// </summary>
-        /// <value><c>true</c> if is visible; otherwise, <c>false</c>.</value>
         public virtual bool IsVisible => gameObject.activeSelf;
 
         /// <summary>
-        /// Gets the context.
+        /// <see cref="FancyScrollView{TItemData, TContext}.Context"/> の参照.
+        /// セルとスクロールビュー間で同じインスタンスが共有されます. 情報の受け渡しや状態の保持に使用します.
         /// </summary>
-        /// <value>The context.</value>
         protected TContext Context { get; private set; }
 
         /// <summary>
-        /// Setup the context.
+        /// <see cref="Context"/> のセットアップを行います.
         /// </summary>
-        /// <param name="context">Context.</param>
+        /// <param name="context">コンテキスト.</param>
         public virtual void SetupContext(TContext context) => Context = context;
 
         /// <summary>
-        /// Sets the visible.
+        /// このセルの可視状態を設定します.
         /// </summary>
-        /// <param name="visible">If set to <c>true</c> visible.</param>
+        /// <param name="visible">可視状態なら <c>true</c>, 非可視状態なら <c>false</c>.</param>
         public virtual void SetVisible(bool visible) => gameObject.SetActive(visible);
 
         /// <summary>
-        /// Updates the content.
+        /// アイテムデータに基づいてこのセルの表示内容を更新します.
         /// </summary>
-        /// <param name="itemData">Item data.</param>
+        /// <param name="itemData">アイテムデータ.</param>
         public abstract void UpdateContent(TItemData itemData);
 
         /// <summary>
-        /// Updates the position.
+        /// <c>0.0f</c> ~ <c>1.0f</c> の値に基づいてこのセルのスクロール位置を更新します.
         /// </summary>
-        /// <param name="position">Position.</param>
+        /// <param name="position">ビューポート範囲の正規化されたスクロール位置.</param>
         public abstract void UpdatePosition(float position);
     }
 
+    /// <summary>
+    /// <see cref="FancyScrollView{TItemData}"/> のセルを実装するための抽象基底クラス.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <seealso cref="FancyScrollViewCell{TItemData, TContext}"/>
     public abstract class FancyScrollViewCell<TItemData> : FancyScrollViewCell<TItemData, FancyScrollViewNullContext>
     {
+        /// <inheritdoc/>
         public sealed override void SetupContext(FancyScrollViewNullContext context) => base.SetupContext(context);
     }
 }
\ No newline at end of file
diff --git a/Scripts/Layout/FancyScrollView/GridView.meta b/Scripts/Layout/FancyScrollView/GridView.meta
new file mode 100644
index 0000000..f61d146
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: c7768f2982b0142ab876d2bb4b597646
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Scripts/Layout/FancyScrollView/GridView/FancyGridView.cs b/Scripts/Layout/FancyScrollView/GridView/FancyGridView.cs
new file mode 100644
index 0000000..e74f517
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView/FancyGridView.cs
@@ -0,0 +1,144 @@
+/// Credit setchi (https://github.com/setchi)
+/// Sourced from - https://github.com/setchi/FancyScrollView
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine.UI.Extensions.EasingCore;
+
+namespace UnityEngine.UI.Extensions
+{
+    /// <summary>
+    /// グリッドレイアウトのスクロールビューを実装するための抽象基底クラス.
+    /// 無限スクロールおよびスナップには対応していません.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <typeparam name="TContext"><see cref="FancyScrollView{TItemData, TContext}.Context"/> の型.</typeparam>
+    public abstract class FancyGridView<TItemData, TContext> : FancyScrollRect<TItemData[], TContext>
+        where TContext : class, IFancyScrollRectContext, IFancyGridViewContext, new()
+    {
+        /// <summary>
+        /// カラム同士の余白.
+        /// </summary>
+        [SerializeField] protected float columnSpacing = 0f;
+
+        GameObject cachedRowPrefab;
+
+        /// <summary>
+        /// 行の Prefab.
+        /// </summary>
+        /// <remarks>
+        /// <see cref="FancyGridView{TItemData, TContext}"/> では,
+        /// <see cref="FancyScrollView{TItemData, TContext}.CellPrefab"/> を行オブジェクトとして使用します.
+        /// </remarks>
+        protected sealed override GameObject CellPrefab => cachedRowPrefab ?? (cachedRowPrefab = SetupRowTemplate());
+
+        /// <summary>
+        /// 一行あたりの要素数.
+        /// </summary>
+        protected abstract int ColumnCount { get; }
+
+        /// <summary>
+        /// セルのテンプレート.
+        /// </summary>
+        protected abstract FancyScrollViewCell<TItemData, TContext> CellTemplate { get; }
+
+        /// <summary>
+        /// 行オブジェクトのテンプレート.
+        /// </summary>
+        protected abstract FancyGridViewRow<TItemData, TContext> RowTemplate { get; }
+
+        /// <summary>
+        /// アイテムの総数.
+        /// </summary>
+        public int DataCount { get; private set; }
+
+        /// <inheritdoc/>
+        protected override void Initialize()
+        {
+            base.Initialize();
+
+            Debug.Assert(RowTemplate != null);
+            Debug.Assert(CellTemplate != null);
+            Debug.Assert(ColumnCount > 0);
+
+            Context.CellTemplate = CellTemplate.gameObject;
+            Context.ScrollDirection = Scroller.ScrollDirection;
+            Context.GetColumnCount = () => ColumnCount;
+            Context.GetColumnSpacing = () => columnSpacing;
+        }
+
+        /// <summary>
+        /// 行オブジェクトのセットアップを行います.
+        /// </summary>
+        /// <returns>行を構成する <c>GameObject</c>.</returns>
+        protected virtual GameObject SetupRowTemplate()
+        {
+            var cell = CellTemplate.GetComponent<RectTransform>();
+            var row = RowTemplate.GetComponent<RectTransform>();
+
+            row.sizeDelta = Scroller.ScrollDirection == ScrollDirection.Horizontal
+                ? new Vector2(cell.rect.width, row.sizeDelta.y)
+                : new Vector2(row.sizeDelta.x, cell.rect.height);
+
+            return row.gameObject;
+        }
+
+        /// <summary>
+        /// 渡されたアイテム一覧に基づいて表示内容を更新します.
+        /// </summary>
+        /// <param name="items">アイテム一覧.</param>
+        public virtual void UpdateContents(IList<TItemData> items)
+        {
+            DataCount = items.Count;
+
+            var rows = items
+                .Select((item, index) => (item, index))
+                .GroupBy(
+                    x => x.index / ColumnCount,
+                    x => x.item)
+                .Select(group => group.ToArray())
+                .ToArray();
+
+            UpdateContents(rows);
+        }
+
+        /// <summary>
+        /// 指定したアイテムの位置まで移動します.
+        /// </summary>
+        /// <param name="itemIndex">アイテムのインデックス.</param>
+        /// <param name="duration">移動にかける秒数.</param>
+        /// <param name="alignment"><see cref="Alignment"/>.</param>
+        /// <param name="onComplete">移動が完了した際に呼び出されるコールバック.</param>
+        public override void ScrollTo(int itemIndex, float duration, Alignment alignment = Alignment.Center, Action onComplete = null)
+        {
+            var rowIndex = itemIndex / Context.GetColumnCount();
+            base.ScrollTo(rowIndex, duration, alignment, onComplete);
+        }
+
+        /// <summary>
+        /// 指定したアイテムの位置まで移動します.
+        /// </summary>
+        /// <param name="itemIndex">アイテムのインデックス.</param>
+        /// <param name="duration">移動にかける秒数.</param>
+        /// <param name="easing">移動に使用するイージング.</param>
+        /// <param name="alignment"><see cref="Alignment"/>.</param>
+        /// <param name="onComplete">移動が完了した際に呼び出されるコールバック.</param>
+        public override void ScrollTo(int itemIndex, float duration, Ease easing, Alignment alignment = Alignment.Center, Action onComplete = null)
+        {
+            var rowIndex = itemIndex / Context.GetColumnCount();
+            base.ScrollTo(rowIndex, duration, easing, alignment, onComplete);
+        }
+
+        /// <summary>
+        /// 指定したアイテムの位置までジャンプします.
+        /// </summary>
+        /// <param name="itemIndex">アイテムのインデックス.</param>
+        /// <param name="alignment"><see cref="Alignment"/>.</param>
+        public virtual void JumpTo(int itemIndex, Alignment alignment = Alignment.Center)
+        {
+            var rowIndex = itemIndex / Context.GetColumnCount();
+            UpdatePosition(rowIndex, alignment);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Scripts/Layout/FancyScrollView/GridView/FancyGridView.cs.meta b/Scripts/Layout/FancyScrollView/GridView/FancyGridView.cs.meta
new file mode 100644
index 0000000..e1254c5
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView/FancyGridView.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e806c8d18b1ff45bb87e9a5b87ec85e3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Scripts/Layout/FancyScrollView/GridView/FancyGridViewContext.cs b/Scripts/Layout/FancyScrollView/GridView/FancyGridViewContext.cs
new file mode 100644
index 0000000..05090c8
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView/FancyGridViewContext.cs
@@ -0,0 +1,23 @@
+/// Credit setchi (https://github.com/setchi)
+/// Sourced from - https://github.com/setchi/FancyScrollView
+
+using System;
+
+namespace UnityEngine.UI.Extensions
+{
+    /// <summary>
+    /// <see cref="FancyGridView{TItemData, TContext}"/> のコンテキスト基底クラス.
+    /// </summary>
+    public class FancyGridViewContext : IFancyGridViewContext, IFancyScrollRectContext
+    {
+        Func<(float ScrollSize, float ReuseMargin)> IFancyScrollRectContext.CalculateScrollSize { get; set; }
+
+        GameObject IFancyGridViewContext.CellTemplate { get; set; }
+
+        ScrollDirection IFancyGridViewContext.ScrollDirection { get; set; }
+
+        public Func<int> GetColumnCount { get; set; }
+
+        public Func<float> GetColumnSpacing { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/Scripts/Layout/FancyScrollView/GridView/FancyGridViewContext.cs.meta b/Scripts/Layout/FancyScrollView/GridView/FancyGridViewContext.cs.meta
new file mode 100644
index 0000000..49a8040
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView/FancyGridViewContext.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 954a17398bfb54ee7baac3d7ab7e822c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Scripts/Layout/FancyScrollView/GridView/FancyGridViewRow.cs b/Scripts/Layout/FancyScrollView/GridView/FancyGridViewRow.cs
new file mode 100644
index 0000000..3613bce
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView/FancyGridViewRow.cs
@@ -0,0 +1,81 @@
+/// Credit setchi (https://github.com/setchi)
+/// Sourced from - https://github.com/setchi/FancyScrollView
+
+using System.Linq;
+
+namespace UnityEngine.UI.Extensions
+{
+    /// <summary>
+    /// <see cref="FancyGridView{TItemData, TContext}"/> の行を実装するための抽象基底クラス.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <typeparam name="TContext"><see cref="FancyScrollViewCell{TItemData, TContext}.Context"/> の型.</typeparam>
+    public abstract class FancyGridViewRow<TItemData, TContext> : FancyScrollRectCell<TItemData[], TContext>
+        where TContext : class, IFancyScrollRectContext, IFancyGridViewContext, new()
+    {
+        /// <summary>
+        /// この行で表示するセルの配列.
+        /// </summary>
+        protected virtual FancyScrollViewCell<TItemData, TContext>[] Cells { get; private set; }
+
+        /// <summary>
+        /// この行で表示するセルの配列をインスタンス化します.
+        /// </summary>
+        /// <returns>この行で表示するセルの配列.</returns>
+        protected virtual FancyScrollViewCell<TItemData, TContext>[] InstantiateCells()
+        {
+            return Enumerable.Range(0, Context.GetColumnCount())
+                .Select(_ => Instantiate(Context.CellTemplate, transform))
+                .Select(x => x.GetComponent<FancyScrollViewCell<TItemData, TContext>>())
+                .ToArray();
+        }
+
+        /// <inheritdoc/>
+        public override void SetupContext(TContext context)
+        {
+            base.SetupContext(context);
+
+            Cells = InstantiateCells();
+            Debug.Assert(Cells.Length == Context.GetColumnCount());
+
+            for (var i = 0; i < Cells.Length; i++)
+            {
+                Cells[i].SetupContext(context);
+            }
+        }
+
+        /// <inheritdoc/>
+        public override void UpdateContent(TItemData[] rowContents)
+        {
+            for (var i = 0; i < Cells.Length; i++)
+            {
+                Cells[i].Index = i + Index * Context.GetColumnCount();
+                Cells[i].SetVisible(i < rowContents.Length);
+
+                if (Cells[i].IsVisible)
+                {
+                    Cells[i].UpdateContent(rowContents[i]);
+                }
+            }
+        }
+
+        /// <inheritdoc/>
+        public override void UpdatePosition(float position)
+        {
+            base.UpdatePosition(position);
+
+            for (var i = 0; i < Cells.Length; i++)
+            {
+                Cells[i].UpdatePosition(position);
+            }
+        }
+
+        /// <inheritdoc/>
+        protected override void UpdatePosition(float position, float viewportPosition)
+        {
+            transform.localPosition = Context.ScrollDirection == ScrollDirection.Horizontal
+                ? new Vector2(viewportPosition, transform.localPosition.y)
+                : new Vector2(transform.localPosition.x, viewportPosition);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Scripts/Layout/FancyScrollView/GridView/FancyGridViewRow.cs.meta b/Scripts/Layout/FancyScrollView/GridView/FancyGridViewRow.cs.meta
new file mode 100644
index 0000000..dbcb384
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView/FancyGridViewRow.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 84300901ad8704c11b39587ed6d87468
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Scripts/Layout/FancyScrollView/GridView/IFancyGridViewContext.cs b/Scripts/Layout/FancyScrollView/GridView/IFancyGridViewContext.cs
new file mode 100644
index 0000000..70221da
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView/IFancyGridViewContext.cs
@@ -0,0 +1,18 @@
+/// Credit setchi (https://github.com/setchi)
+/// Sourced from - https://github.com/setchi/FancyScrollView
+
+using System;
+
+namespace UnityEngine.UI.Extensions
+{
+    /// <summary>
+    /// <see cref="FancyGridView{TItemData, TContext}"/> のコンテキストインターフェース.
+    /// </summary>
+    public interface IFancyGridViewContext
+    {
+        GameObject CellTemplate { get; set; }
+        ScrollDirection ScrollDirection { get; set; }
+        Func<int> GetColumnCount { get; set; }
+        Func<float> GetColumnSpacing { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/Scripts/Layout/FancyScrollView/GridView/IFancyGridViewContext.cs.meta b/Scripts/Layout/FancyScrollView/GridView/IFancyGridViewContext.cs.meta
new file mode 100644
index 0000000..1bed129
--- /dev/null
+++ b/Scripts/Layout/FancyScrollView/GridView/IFancyGridViewContext.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3cf2d53d9c81945c28f7c558a7c40ba3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRect.cs b/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRect.cs
index b6b76d3..54b5a66 100644
--- a/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRect.cs
+++ b/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRect.cs
@@ -7,38 +7,86 @@ using UnityEngine.UI.Extensions.EasingCore;
 
 namespace UnityEngine.UI.Extensions
 {
+    /// <summary>
+    /// ScrollRect スタイルのスクロールビューを実装するための抽象基底クラス.
+    /// 無限スクロールおよびスナップには対応していません.
+    /// <see cref="FancyScrollView{TItemData, TContext}.Context"/> が不要な場合は
+    /// 代わりに <see cref="FancyScrollRect{TItemData}"/> を使用します.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <typeparam name="TContext"><see cref="FancyScrollView{TItemData, TContext}.Context"/> の型.</typeparam>
     [RequireComponent(typeof(Scroller))]
     public abstract class FancyScrollRect<TItemData, TContext> : FancyScrollView<TItemData, TContext>
         where TContext : class, IFancyScrollRectContext, new()
     {
+        /// <summary>
+        /// スクロール中にセルが再利用されるまでの余白のセル数.
+        /// </summary>
+        /// <remarks>
+        /// <c>0</c> を指定するとセルが完全に隠れた直後に再利用されます.
+        /// <c>1</c> 以上を指定すると, そのセル数だけ余分にスクロールしてから再利用されます.
+        /// </remarks>
         [SerializeField] protected float reuseCellMarginCount = 0f;
+
+        /// <summary>
+        /// コンテンツ先頭の余白.
+        /// </summary>
         [SerializeField] protected float paddingHead = 0f;
+
+        /// <summary>
+        /// コンテンツ末尾の余白.
+        /// </summary>
         [SerializeField] protected float paddingTail = 0f;
+
+        /// <summary>
+        /// セル同士の余白.
+        /// </summary>
         [SerializeField] protected float spacing = 0f;
 
-        protected virtual float ScrollLength => 1f / Mathf.Max(cellInterval, 1e-2f) - 1f;
-
-        protected virtual float ViewportLength => ScrollLength - reuseCellMarginCount * 2f;
-
-        protected virtual float MaxScrollPosition => ItemsSource.Count
-            - ScrollLength
-            + reuseCellMarginCount * 2f
-            + (paddingHead + (paddingTail - spacing)) / (CellSize + spacing);
-
-        protected virtual bool ScrollEnabled => MaxScrollPosition > 0f;
+        /// <summary>
+        /// スクロール可能かどうか.
+        /// </summary>
+        /// <remarks>
+        /// アイテム数が十分少なくビューポート内に全てのセルが収まっている場合は <c>false</c>, それ以外は <c>true</c> になります.
+        /// </remarks>
+        protected virtual bool Scrollable => MaxScrollPosition > 0f;
 
+        /// <summary>
+        /// セルのサイズ.
+        /// </summary>
         protected virtual float CellSize => Scroller.ScrollDirection == ScrollDirection.Horizontal
             ? CellRectTransform.rect.width
             : CellRectTransform.rect.height;
 
         Scroller cachedScroller;
+
+        /// <summary>
+        /// スクロール位置を制御する <see cref="FancyScrollView.Scroller"/> のインスタンス.
+        /// </summary>
+        /// <remarks>
+        /// <see cref="Scroller"/> のスクロール位置を変更する際は必ず <see cref="ToScrollerPosition(float)"/> を使用して変換した位置を使用してください.
+        /// </remarks>
         protected Scroller Scroller => cachedScroller ?? (cachedScroller = GetComponent<Scroller>());
 
         RectTransform cachedCellRect;
         RectTransform CellRectTransform => cachedCellRect ?? (cachedCellRect = CellPrefab.transform as RectTransform);
 
-        protected virtual void Awake()
+        float ScrollLength => 1f / Mathf.Max(cellInterval, 1e-2f) - 1f;
+
+        float ViewportLength => ScrollLength - reuseCellMarginCount * 2f;
+
+        float PaddingHeadLength => (paddingHead - spacing * 0.5f) / (CellSize + spacing);
+
+        float MaxScrollPosition => ItemsSource.Count
+            - ScrollLength
+            + reuseCellMarginCount * 2f
+            + (paddingHead + paddingTail - spacing) / (CellSize + spacing);
+
+        /// <inheritdoc/>
+        protected override void Initialize()
         {
+            base.Initialize();
+
             Context.CalculateScrollSize = () =>
             {
                 var interval = CellSize + spacing;
@@ -46,17 +94,18 @@ namespace UnityEngine.UI.Extensions
                 var scrollSize = Scroller.ViewportSize + interval + reuseMargin * 2f;
                 return (scrollSize, reuseMargin);
             };
-        }
 
-        protected virtual void Start()
-        {
             AdjustCellIntervalAndScrollOffset();
             Scroller.OnValueChanged(OnScrollerValueChanged);
         }
 
+        /// <summary>
+        /// <see cref="Scroller"/> のスクロール位置が変更された際の処理.
+        /// </summary>
+        /// <param name="p"><see cref="Scroller"/> のスクロール位置.</param>
         void OnScrollerValueChanged(float p)
         {
-            base.UpdatePosition(ScrollEnabled ? ToFancyScrollViewPosition(p) : 0f);
+            base.UpdatePosition(Scrollable ? ToFancyScrollViewPosition(p) : 0f);
 
             if (Scroller.Scrollbar)
             {
@@ -71,12 +120,41 @@ namespace UnityEngine.UI.Extensions
             }
         }
 
+        /// <summary>
+        /// スクロール範囲を超えてスクロールされた量に基づいて, スクロールバーのサイズを縮小します.
+        /// </summary>
+        /// <param name="offset">スクロール範囲を超えてスクロールされた量.</param>
         void ShrinkScrollbar(float offset)
         {
-            var scale = 1f - ToFancyScrollViewPosition(offset) / ViewportLength;
-            UpdateScrollbarSize(ViewportLength * scale / Mathf.Max(ItemsSource.Count, 1));
+            var scale = 1f - ToFancyScrollViewPosition(offset) / (ViewportLength - PaddingHeadLength);
+            UpdateScrollbarSize((ViewportLength - PaddingHeadLength) * scale);
         }
 
+        /// <inheritdoc/>
+        protected override void Refresh()
+        {
+            AdjustCellIntervalAndScrollOffset();
+            RefreshScroller();
+            base.Refresh();
+        }
+
+        /// <summary>
+        /// <see cref="Scroller"/> の各種状態を更新します.
+        /// </summary>
+        protected void RefreshScroller()
+        {
+            Scroller.Draggable = Scrollable;
+            Scroller.ScrollSensitivity = ToScrollerPosition(ViewportLength - PaddingHeadLength);
+            Scroller.Position = ToScrollerPosition(currentPosition);
+
+            if (Scroller.Scrollbar)
+            {
+                Scroller.Scrollbar.gameObject.SetActive(Scrollable);
+                UpdateScrollbarSize(ViewportLength);
+            }
+        }
+
+        /// <inheritdoc/>
         protected override void UpdateContents(IList<TItemData> items)
         {
             Debug.Assert(Context.CalculateScrollSize != null);
@@ -85,64 +163,96 @@ namespace UnityEngine.UI.Extensions
             base.UpdateContents(items);
 
             Scroller.SetTotalCount(items.Count);
-            Scroller.Draggable = ScrollEnabled;
-            Scroller.ScrollSensitivity = ToScrollerPosition(ViewportLength);
-            Scroller.Position = ToScrollerPosition(currentPosition);
-
-            if (Scroller.Scrollbar)
-            {
-                Scroller.Scrollbar.gameObject.SetActive(ScrollEnabled);
-                UpdateScrollbarSize(ViewportLength / Mathf.Max(ItemsSource.Count, 1));
-            }
+            RefreshScroller();
         }
 
+        /// <summary>
+        /// スクロール位置を更新します.
+        /// </summary>
+        /// <param name="position">スクロール位置.</param>
         protected new void UpdatePosition(float position)
         {
             UpdatePosition(position, Alignment.Center);
         }
 
+        /// <summary>
+        /// スクロール位置を更新します.
+        /// </summary>
+        /// <param name="position">スクロール位置.</param>
+        /// <param name="alignment"><see cref="Alignment"/>.</param>
         protected virtual void UpdatePosition(float position, Alignment alignment)
         {
             Scroller.Position = ToScrollerPosition(position, alignment);
         }
 
+        /// <summary>
+        /// 指定したアイテムの位置まで移動します.
+        /// </summary>
+        /// <param name="index">アイテムのインデックス.</param>
+        /// <param name="duration">移動にかける秒数.</param>
+        /// <param name="alignment"><see cref="Alignment"/>.</param>
+        /// <param name="onComplete">移動が完了した際に呼び出されるコールバック.</param>
         public virtual void ScrollTo(int index, float duration, Alignment alignment = Alignment.Center, Action onComplete = null)
         {
             Scroller.ScrollTo(ToScrollerPosition(index, alignment), duration, onComplete);
         }
 
+        /// <summary>
+        /// 指定したアイテムの位置まで移動します.
+        /// </summary>
+        /// <param name="index">アイテムのインデックス.</param>
+        /// <param name="duration">移動にかける秒数.</param>
+        /// <param name="easing">移動に使用するイージング.</param>
+        /// <param name="alignment"><see cref="Alignment"/>.</param>
+        /// <param name="onComplete">移動が完了した際に呼び出されるコールバック.</param>
         public virtual void ScrollTo(int index, float duration, Ease easing, Alignment alignment = Alignment.Center, Action onComplete = null)
         {
             Scroller.ScrollTo(ToScrollerPosition(index, alignment), duration, easing, onComplete);
         }
 
-        protected void UpdateScrollbarSize(float size)
+        /// <summary>
+        /// ビューポートとコンテンツの長さに基づいてスクロールバーのサイズを更新します.
+        /// </summary>
+        /// <param name="viewportLength">ビューポートのサイズ.</param>
+        protected void UpdateScrollbarSize(float viewportLength)
         {
-            Scroller.Scrollbar.size = ScrollEnabled ? Mathf.Clamp01(size) : 1f;
+            var contentLength = Mathf.Max(ItemsSource.Count + (paddingHead + paddingTail - spacing) / (CellSize + spacing), 1);
+            Scroller.Scrollbar.size = Scrollable ? Mathf.Clamp01(viewportLength / contentLength) : 1f;
         }
 
-        protected virtual float ToFancyScrollViewPosition(float position)
+        /// <summary>
+        /// <see cref="Scroller"/> が扱うスクロール位置を <see cref="FancyScrollRect{TItemData, TContext}"/> が扱うスクロール位置に変換します.
+        /// </summary>
+        /// <param name="position"><see cref="Scroller"/> が扱うスクロール位置.</param>
+        /// <returns><see cref="FancyScrollRect{TItemData, TContext}"/> が扱うスクロール位置.</returns>
+        protected float ToFancyScrollViewPosition(float position)
         {
-            return position
-                / Mathf.Max(ItemsSource.Count - 1, 1)
-                * MaxScrollPosition
-                - (paddingHead - spacing * 0.5f) / (CellSize + spacing);
+            return position / Mathf.Max(ItemsSource.Count - 1, 1) * MaxScrollPosition - PaddingHeadLength;
         }
 
-        protected virtual float ToScrollerPosition(float position)
+        /// <summary>
+        /// <see cref="FancyScrollRect{TItemData, TContext}"/> が扱うスクロール位置を <see cref="Scroller"/> が扱うスクロール位置に変換します.
+        /// </summary>
+        /// <param name="position"><see cref="FancyScrollRect{TItemData, TContext}"/> が扱うスクロール位置.</param>
+        /// <returns><see cref="Scroller"/> が扱うスクロール位置.</returns>
+        protected float ToScrollerPosition(float position)
         {
-            return (position + (paddingHead - spacing * 0.5f) / (CellSize + spacing))
-                / MaxScrollPosition
-                * Mathf.Max(ItemsSource.Count - 1, 1);
+            return (position + PaddingHeadLength) / MaxScrollPosition * Mathf.Max(ItemsSource.Count - 1, 1);
         }
 
-        protected virtual float ToScrollerPosition(float position, Alignment alignment = Alignment.Center)
+        /// <summary>
+        /// <see cref="FancyScrollRect{TItemData, TContext}"/> が扱うスクロール位置を <see cref="Scroller"/> が扱うスクロール位置に変換します.
+        /// </summary>
+        /// <param name="position"><see cref="FancyScrollRect{TItemData, TContext}"/> が扱うスクロール位置.</param>
+        /// <param name="alignment"><see cref="Alignment"/>.</param>
+        /// <returns><see cref="Scroller"/> が扱うスクロール位置.</returns>
+        protected float ToScrollerPosition(float position, Alignment alignment = Alignment.Center)
         {
             var offset = (ScrollLength - (1f + reuseCellMarginCount * 2f)) * GetAnchore(alignment);
             return ToScrollerPosition(Mathf.Clamp(position - offset, 0f, MaxScrollPosition));
         }
 
-        protected virtual float GetAnchore(Alignment alignment)
+        float GetAnchore(Alignment alignment)
         {
             switch (alignment)
             {
@@ -153,7 +263,12 @@ namespace UnityEngine.UI.Extensions
             }
         }
 
-        void AdjustCellIntervalAndScrollOffset()
+        /// <summary>
+        /// 指定された設定を実現するための
+        /// <see cref="FancyScrollView{TItemData,TContext}.cellInterval"/> と
+        /// <see cref="FancyScrollView{TItemData,TContext}.scrollOffset"/> を計算して適用します.
+        /// </summary>
+        protected void AdjustCellIntervalAndScrollOffset()
         {
             var totalSize = Scroller.ViewportSize + (CellSize + spacing) * (1f + reuseCellMarginCount * 2f);
             cellInterval = (CellSize + spacing) / totalSize;
@@ -187,5 +302,11 @@ namespace UnityEngine.UI.Extensions
         }
     }
 
+    /// <summary>
+    /// ScrollRect スタイルのスクロールビューを実装するための抽象基底クラス.
+    /// 無限スクロールおよびスナップには対応していません.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <seealso cref="FancyScrollRect{TItemData, TContext}"/>
     public abstract class FancyScrollRect<TItemData> : FancyScrollRect<TItemData, FancyScrollRectContext> { }
-}
+}
\ No newline at end of file
diff --git a/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRectCell.cs b/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRectCell.cs
index 6136b81..4e368c9 100644
--- a/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRectCell.cs
+++ b/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRectCell.cs
@@ -3,9 +3,17 @@
 
 namespace UnityEngine.UI.Extensions
 {
+    /// <summary>
+    /// <see cref="FancyScrollRect{TItemData, TContext}"/> のセルを実装するための抽象基底クラス.
+    /// <see cref="FancyScrollViewCell{TItemData, TContext}.Context"/> が不要な場合は
+    /// 代わりに <see cref="FancyScrollRectCell{TItemData}"/> を使用します.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <typeparam name="TContext"><see cref="FancyScrollViewCell{TItemData, TContext}.Context"/> の型.</typeparam>
     public abstract class FancyScrollRectCell<TItemData, TContext> : FancyScrollViewCell<TItemData, TContext>
         where TContext : class, IFancyScrollRectContext, new()
     {
+        /// <inheritdoc/>
         public override void UpdatePosition(float position)
         {
             var (scrollSize, reuseMargin) = Context.CalculateScrollSize();
@@ -18,11 +26,26 @@ namespace UnityEngine.UI.Extensions
             UpdatePosition(unclampedPosition, Mathf.Lerp(start, end, position));
         }
 
+        /// <summary>
+        /// このセルの位置を更新します.
+        /// </summary>
+        /// <param name="position">
+        /// ビューポートの範囲で正規化されたスクロール位置.
+        /// <see cref="FancyScrollRect{TItemData, TContext}.reuseCellMarginCount"/> の値に基づいて
+        ///  <c>0.0</c> ~ <c>1.0</c> の範囲を超えた値が渡されることがあります.
+        /// </param>
+        /// <param name="viewportPosition">ローカル位置.</param>
         protected virtual void UpdatePosition(float position, float viewportPosition) { }
     }
 
+    /// <summary>
+    /// <see cref="FancyScrollRect{TItemData}"/> のセルを実装するための抽象基底クラス.
+    /// </summary>
+    /// <typeparam name="TItemData">アイテムのデータ型.</typeparam>
+    /// <seealso cref="FancyScrollRectCell{TItemData, TContext}"/>
     public abstract class FancyScrollRectCell<TItemData> : FancyScrollRectCell<TItemData, FancyScrollRectContext>
     {
+        /// <inheritdoc/>
         public sealed override void SetupContext(FancyScrollRectContext context) => base.SetupContext(context);
     }
-}
+}
\ No newline at end of file
diff --git a/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRectContext.cs b/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRectContext.cs
index 2e5ea39..17c113f 100644
--- a/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRectContext.cs
+++ b/Scripts/Layout/FancyScrollView/ScrollRect/FancyScrollRectContext.cs
@@ -5,6 +5,9 @@ using System;
 
 namespace UnityEngine.UI.Extensions
 {
+    /// <summary>
+    /// <see cref="FancyScrollRect{TItemData, TContext}"/> のコンテキスト基底クラス.
+    /// </summary>
     public class FancyScrollRectContext : IFancyScrollRectContext
     {
         Func<(float ScrollSize, float ReuseMargin)> IFancyScrollRectContext.CalculateScrollSize { get; set; }
diff --git a/Scripts/Layout/FancyScrollView/ScrollRect/IFancyScrollRectContext.cs b/Scripts/Layout/FancyScrollView/ScrollRect/IFancyScrollRectContext.cs
index 8ba33dd..0a83479 100644
--- a/Scripts/Layout/FancyScrollView/ScrollRect/IFancyScrollRectContext.cs
+++ b/Scripts/Layout/FancyScrollView/ScrollRect/IFancyScrollRectContext.cs
@@ -5,7 +5,9 @@ using System;
 
 namespace UnityEngine.UI.Extensions
 {
-
+    /// <summary>
+    /// <see cref="FancyScrollRect{TItemData, TContext}"/> のコンテキストインターフェース.
+    /// </summary>
     public interface IFancyScrollRectContext
     {
         Func<(float ScrollSize, float ReuseMargin)> CalculateScrollSize { get; set; }
diff --git a/Scripts/Layout/FancyScrollView/Scroller/Scroller.cs b/Scripts/Layout/FancyScrollView/Scroller/Scroller.cs
index 31a2801..262cabc 100644
--- a/Scripts/Layout/FancyScrollView/Scroller/Scroller.cs
+++ b/Scripts/Layout/FancyScrollView/Scroller/Scroller.cs
@@ -7,15 +7,82 @@ using UnityEngine.UI.Extensions.EasingCore;
 
 namespace UnityEngine.UI.Extensions
 {
+    /// <summary>
+    /// スクロール位置の制御を行うコンポーネント.
+    /// </summary>
     public class Scroller : UIBehaviour, IBeginDragHandler, IEndDragHandler, IDragHandler
     {
         [SerializeField] RectTransform viewport = default;
+
+        /// <summary>
+        /// ビューポートのサイズ.
+        /// </summary>
+        public float ViewportSize => scrollDirection == ScrollDirection.Horizontal
+            ? viewport.rect.size.x
+            : viewport.rect.size.y;
+
         [SerializeField] ScrollDirection scrollDirection = ScrollDirection.Vertical;
+
+        /// <summary>
+        /// スクロール方向.
+        /// </summary>
+        public ScrollDirection ScrollDirection => scrollDirection;
+
         [SerializeField] MovementType movementType = MovementType.Elastic;
+
+        /// <summary>
+        /// コンテンツがスクロール範囲を越えて移動するときに使用する挙動.
+        /// </summary>
+        public MovementType MovementType
+        {
+            get => movementType;
+            set => movementType = value;
+        }
+
         [SerializeField] float elasticity = 0.1f;
+
+        /// <summary>
+        /// コンテンツがスクロール範囲を越えて移動するときに使用する弾力性の量.
+        /// </summary>
+        public float Elasticity
+        {
+            get => elasticity;
+            set => elasticity = value;
+        }
+
         [SerializeField] float scrollSensitivity = 1f;
+
+        /// <summary>
+        /// <see cref="ViewportSize"/> の端から端まで Drag したときのスクロール位置の変化量.
+        /// </summary>
+        public float ScrollSensitivity
+        {
+            get => scrollSensitivity;
+            set => scrollSensitivity = value;
+        }
+
         [SerializeField] bool inertia = true;
+
+        /// <summary>
+        /// 慣性を使用するかどうか. <c>true</c> を指定すると慣性が有効に, <c>false</c> を指定すると慣性が無効になります.
+        /// </summary>
+        public bool Inertia
+        {
+            get => inertia;
+            set => inertia = value;
+        }
+
         [SerializeField] float decelerationRate = 0.03f;
+
+        /// <summary>
+        /// スクロールの減速率. <see cref="Inertia"/> が <c>true</c> の場合のみ有効です.
+        /// </summary>
+        public float DecelerationRate
+        {
+            get => decelerationRate;
+            set => decelerationRate = value;
+        }
+
         [SerializeField]
         Snap snap = new Snap
         {
@@ -24,41 +91,41 @@ namespace UnityEngine.UI.Extensions
             Duration = 0.3f,
             Easing = Ease.InOutCubic
         };
-        [SerializeField] bool draggable = true;
-        [SerializeField] Scrollbar scrollbar = default;
-
-        public ScrollDirection ScrollDirection => scrollDirection;
-
-        public MovementType MovementType
-        {
-            get => movementType;
-            set => movementType = value;
-        }
-
-        public float ViewportSize => scrollDirection == ScrollDirection.Horizontal
-            ? viewport.rect.size.x
-            : viewport.rect.size.y;
 
+        /// <summary>
+        /// <c>true</c> ならスナップし, <c>false</c>ならスナップしません.
+        /// </summary>
+        /// <remarks>
+        /// スナップを有効にすると, 慣性でスクロールが止まる直前に最寄りのセルへ移動します.
+        /// </remarks>
         public bool SnapEnabled
         {
             get => snap.Enable;
             set => snap.Enable = value;
         }
 
-        public float ScrollSensitivity
-        {
-            get => scrollSensitivity;
-            set => scrollSensitivity = value;
-        }
+        [SerializeField] bool draggable = true;
 
+        /// <summary>
+        /// Drag 入力を受付けるかどうか.
+        /// </summary>
         public bool Draggable
         {
             get => draggable;
             set => draggable = value;
         }
 
+        [SerializeField] Scrollbar scrollbar = default;
+
+        /// <summary>
+        /// スクロールバーのオブジェクト.
+        /// </summary>
         public Scrollbar Scrollbar => scrollbar;
 
+        /// <summary>
+        /// 現在のスクロール位置.
+        /// </summary>
+        /// <value></value>
         public float Position
         {
             get => currentPosition;
@@ -137,16 +204,51 @@ namespace UnityEngine.UI.Extensions
             }
         }
 
+        /// <summary>
+        /// スクロール位置が変化したときのコールバックを設定します.
+        /// </summary>
+        /// <param name="callback">スクロール位置が変化したときのコールバック.</param>
         public void OnValueChanged(Action<float> callback) => onValueChanged = callback;
 
+        /// <summary>
+        /// 選択位置が変化したときのコールバックを設定します.
+        /// </summary>
+        /// <param name="callback">選択位置が変化したときのコールバック.</param>
         public void OnSelectionChanged(Action<int> callback) => onSelectionChanged = callback;
 
+        /// <summary>
+        /// アイテムの総数を設定します.
+        /// </summary>
+        /// <remarks>
+        /// <paramref name="totalCount"/> を元に最大スクロール位置を計算します.
+        /// </remarks>
+        /// <param name="totalCount">アイテムの総数.</param>
         public void SetTotalCount(int totalCount) => this.totalCount = totalCount;
 
+        /// <summary>
+        /// 指定した位置まで移動します.
+        /// </summary>
+        /// <param name="position">スクロール位置. <c>0f</c> ~ <c>totalCount - 1f</c> の範囲.</param>
+        /// <param name="duration">移動にかける秒数.</param>
+        /// <param name="onComplete">移動が完了した際に呼び出されるコールバック.</param>
         public void ScrollTo(float position, float duration, Action onComplete = null) => ScrollTo(position, duration, Ease.OutCubic, onComplete);
 
+        /// <summary>
+        /// 指定した位置まで移動します.
+        /// </summary>
+        /// <param name="position">スクロール位置. <c>0f</c> ~ <c>totalCount - 1f</c> の範囲.</param>
+        /// <param name="duration">移動にかける秒数.</param>
+        /// <param name="easing">移動に使用するイージング.</param>
+        /// <param name="onComplete">移動が完了した際に呼び出されるコールバック.</param>
         public void ScrollTo(float position, float duration, Ease easing, Action onComplete = null) => ScrollTo(position, duration, EasingFunction.Get(easing), onComplete);
 
+        /// <summary>
+        /// 指定した位置まで移動します.
+        /// </summary>
+        /// <param name="position">スクロール位置. <c>0f</c> ~ <c>totalCount - 1f</c> の範囲.</param>
+        /// <param name="duration">移動にかける秒数.</param>
+        /// <param name="easingFunction">移動に使用するイージング関数.</param>
+        /// <param name="onComplete">移動が完了した際に呼び出されるコールバック.</param>
         public void ScrollTo(float position, float duration, Func<float, float> easingFunction, Action onComplete = null)
         {
             if (duration <= 0f)
@@ -170,6 +272,10 @@ namespace UnityEngine.UI.Extensions
             UpdateSelection(Mathf.RoundToInt(CircularPosition(autoScrollState.EndPosition, totalCount)));
         }
 
+        /// <summary>
+        /// 指定したインデックスの位置までジャンプします.
+        /// </summary>
+        /// <param name="index">アイテムのインデックス.</param>
         public void JumpTo(int index)
         {
             if (index < 0 || index > totalCount - 1)
@@ -186,6 +292,13 @@ namespace UnityEngine.UI.Extensions
             UpdatePosition(index);
         }
 
+        /// <summary>
+        /// <paramref name="sourceIndex"/> から <paramref name="destIndex"/> に移動する際の移動方向を返します.
+        /// スクロール範囲が無制限に設定されている場合は, 最短距離の移動方向を返します.
+        /// </summary>
+        /// <param name="sourceIndex">移動元のインデックス.</param>
+        /// <param name="destIndex">移動先のインデックス.</param>
+        /// <returns></returns>
         public MovementDirection GetMovementDirection(int sourceIndex, int destIndex)
         {
             var movementAmount = CalculateMovementAmount(sourceIndex, destIndex);
@@ -198,6 +311,7 @@ namespace UnityEngine.UI.Extensions
                     : MovementDirection.Down;
         }
 
+        /// <inheritdoc/>
         void IBeginDragHandler.OnBeginDrag(PointerEventData eventData)
         {
             if (!draggable || eventData.button != PointerEventData.InputButton.Left)
@@ -216,6 +330,7 @@ namespace UnityEngine.UI.Extensions
             autoScrollState.Reset();
         }
 
+        /// <inheritdoc/>
         void IDragHandler.OnDrag(PointerEventData eventData)
         {
             if (!draggable || eventData.button != PointerEventData.InputButton.Left || !dragging)
@@ -252,6 +367,7 @@ namespace UnityEngine.UI.Extensions
             UpdatePosition(position);
         }
 
+        /// <inheritdoc/>
         void IEndDragHandler.OnEndDrag(PointerEventData eventData)
         {
             if (!draggable || eventData.button != PointerEventData.InputButton.Left)
@@ -400,14 +516,14 @@ namespace UnityEngine.UI.Extensions
                 return Mathf.Clamp(destPosition, 0, totalCount - 1) - sourcePosition;
             }
 
-            var movementAmount = CircularPosition(destPosition, totalCount) - CircularPosition(sourcePosition, totalCount);
+            var amount = CircularPosition(destPosition, totalCount) - CircularPosition(sourcePosition, totalCount);
 
-            if (Mathf.Abs(movementAmount) > totalCount * 0.5f)
+            if (Mathf.Abs(amount) > totalCount * 0.5f)
             {
-                movementAmount = Mathf.Sign(-movementAmount) * (totalCount - Mathf.Abs(movementAmount));
+                amount = Mathf.Sign(-amount) * (totalCount - Mathf.Abs(amount));
             }
 
-            return movementAmount;
+            return amount;
         }
 
         float CircularPosition(float p, int size) => size < 1 ? 0 : p < 0 ? size - 1 + (p + 1) % size : p % size;