diff --git a/api/android-sdk-compose.api b/api/android-sdk-compose.api
index 964f159..bac0a49 100644
--- a/api/android-sdk-compose.api
+++ b/api/android-sdk-compose.api
@@ -60,7 +60,7 @@ public final class com.mapconductor.compose.map.MapAttributionOverlayKt {
   public static final void MapAttributionOverlay(java.util.List<java.lang.String>, androidx.compose.runtime.Composer, int);
 }
 public final class com.mapconductor.compose.map.MapViewBaseKt {
-  public static final <SpecificState extends com.mapconductor.core.map.MapViewStateInterface<?>, SpecificController extends com.mapconductor.core.controller.BaseMapViewController, ActualMapView extends android.view.View, ActualMap, SpecificScope extends com.mapconductor.compose.MapViewScope, SpecificHolder extends com.mapconductor.core.map.MapViewHolderInterface<ActualMapView, ActualMap>> void MapViewBase(SpecificState, androidx.compose.runtime.MutableState<com.mapconductor.core.map.MapCameraPositionInterface>, androidx.compose.ui.Modifier, kotlin.jvm.functions.Function2<? super androidx.compose.runtime.Composer, ? super java.lang.Integer, ? extends ActualMapView>, SpecificScope, com.mapconductor.core.map.MapOverlayRegistry, kotlin.jvm.functions.Function1<? super kotlin.coroutines.Continuation<? super java.lang.Boolean>, ? extends java.lang.Object>, kotlin.jvm.functions.Function2<? super ActualMapView, ? super kotlin.coroutines.Continuation<? super SpecificHolder>, ? extends java.lang.Object>, kotlin.jvm.functions.Function2<? super SpecificHolder, ? super kotlin.coroutines.Continuation<? super SpecificController>, ? extends java.lang.Object>, kotlin.jvm.functions.Function1<? super com.mapconductor.core.map.MapViewStateInterface<?>, kotlin.Unit>, kotlin.jvm.functions.Function4<? super com.mapconductor.core.map.InitState, ? super androidx.compose.ui.node.Ref<SpecificHolder>, ? super androidx.compose.runtime.Composer, ? super java.lang.Integer, kotlin.Unit>, kotlin.jvm.functions.Function3<? super SpecificScope, ? super androidx.compose.runtime.Composer, ? super java.lang.Integer, kotlin.Unit>, androidx.compose.runtime.Composer, int, int, int);
+  public static final <SpecificState extends com.mapconductor.core.map.MapViewStateInterface<?>, SpecificController extends com.mapconductor.core.controller.BaseMapViewController, ActualMapView extends android.view.View, ActualMap, SpecificScope extends com.mapconductor.compose.MapViewScope, SpecificHolder extends com.mapconductor.core.map.MapViewHolderInterface<ActualMapView, ActualMap>> void MapViewBase(SpecificState, androidx.compose.runtime.MutableState<com.mapconductor.core.map.MapCameraPositionInterface>, androidx.compose.ui.Modifier, kotlin.jvm.functions.Function2<? super androidx.compose.runtime.Composer, ? super java.lang.Integer, ? extends ActualMapView>, SpecificScope, com.mapconductor.core.map.MapOverlayRegistry, kotlin.jvm.functions.Function1<? super kotlin.coroutines.Continuation<? super java.lang.Boolean>, ? extends java.lang.Object>, kotlin.jvm.functions.Function2<? super ActualMapView, ? super kotlin.coroutines.Continuation<? super SpecificHolder>, ? extends java.lang.Object>, kotlin.jvm.functions.Function2<? super SpecificHolder, ? super kotlin.coroutines.Continuation<? super SpecificController>, ? extends java.lang.Object>, kotlin.jvm.functions.Function1<? super com.mapconductor.core.map.MapViewStateInterface<?>, kotlin.Unit>, kotlin.jvm.functions.Function4<? super com.mapconductor.core.map.InitState, ? super androidx.compose.ui.node.Ref<SpecificHolder>, ? super androidx.compose.runtime.Composer, ? super java.lang.Integer, kotlin.Unit>, com.mapconductor.core.map.MapViewStyle, kotlin.jvm.functions.Function1<? super java.util.List<java.lang.String>, kotlin.Unit>, kotlin.jvm.functions.Function3<? super SpecificScope, ? super androidx.compose.runtime.Composer, ? super java.lang.Integer, kotlin.Unit>, androidx.compose.runtime.Composer, int, int, int);
 }
 public final class com.mapconductor.compose.marker.LocalMarkerCollectorKt {
   public static final androidx.compose.runtime.ProvidableCompositionLocal<com.mapconductor.core.OverlayCollectorInterface<com.mapconductor.core.marker.MarkerState>> getLocalMarkerCollector();
diff --git a/build.gradle.kts b/build.gradle.kts
index 5517ed4..47a06cf 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -104,10 +104,11 @@ val libraryName = "MapConductor Compose"
 val libraryDescription = "Jetpack Compose for MapConductor"
 
 // Gradle 9.6 で `by tasks.registering` は非推奨（スクリプトコンパイルエラーになる）。
-val javadocJar = tasks.register<Jar>("javadocJar") {
-    archiveClassifier.set("javadoc")
-    // Since Android libraries don't have Javadoc task by default, create empty jar
-}
+val javadocJar =
+    tasks.register<Jar>("javadocJar") {
+        archiveClassifier.set("javadoc")
+        // Since Android libraries don't have Javadoc task by default, create empty jar
+    }
 
 afterEvaluate {
     publishing {
diff --git a/src/main/java/com/mapconductor/compose/map/MapViewBase.kt b/src/main/java/com/mapconductor/compose/map/MapViewBase.kt
index f9c5e5a..8d762d8 100644
--- a/src/main/java/com/mapconductor/compose/map/MapViewBase.kt
+++ b/src/main/java/com/mapconductor/compose/map/MapViewBase.kt
@@ -61,10 +61,12 @@ import com.mapconductor.core.map.MapOverlayRegistry
 import com.mapconductor.core.map.MapPaddings
 import com.mapconductor.core.map.MapViewHolderInterface
 import com.mapconductor.core.map.MapViewStateInterface
+import com.mapconductor.core.map.MapViewStyle
+import com.mapconductor.core.map.MapViewStyleEffect
 import com.mapconductor.core.map.ScreenProjectionRequirement
+import com.mapconductor.core.map.VectorStyleSupportKey
 import com.mapconductor.core.map.resolveMapAttributions
 import com.mapconductor.core.marker.MarkerCapableInterface
-import com.mapconductor.core.map.VectorStyleSupportKey
 import com.mapconductor.core.marker.MarkerIconExtent
 import com.mapconductor.core.marker.MarkerRenderingSupportKey
 import com.mapconductor.core.polygon.PolygonCapableInterface
@@ -105,6 +107,8 @@ fun <
     controllerProvider: suspend (holder: SpecificHolder) -> SpecificController,
     onMapLoaded: OnMapLoadedHandler? = null,
     customDisposableEffect: (@Composable (InitState, Ref<SpecificHolder>) -> Unit)? = null,
+    style: MapViewStyle? = null,
+    onStyleDiagnostics: ((List<String>) -> Unit)? = null,
     content: (@Composable SpecificScope.() -> Unit)? = null,
 ) {
     ResourceProvider.init(LocalContext.current)
@@ -131,6 +135,16 @@ fun <
         }
     }
 
+    // How the map looks, as a property of the map. One call, every provider:
+    // what a style does to this particular backend is decided by what the
+    // backend registered it can do, not here. See `MapViewStyleEffect`.
+    MapViewStyleEffect(
+        state = state,
+        style = style,
+        controller = controller,
+        onDiagnostics = onStyleDiagnostics,
+    )
+
     controller?.also {
         controller.setMapInitializedListener {
             initState = InitState.MapLoaded