fix visitor UI

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "12.111.1-simkey-v15",
+	"version": "12.111.1-simkey-v16",
 	"codename": "indigo",
 	"repository": {
 		"type": "git",

packages/client/src/components/signup.vue

@@ -1,6 +1,7 @@
 <template>
 <form class="qlvuhzng _formRoot" autocomplete="new-password" @submit.prevent="onSubmit">
 	<template v-if="meta">
+		<div class="_formBlock">過去にこのインスタンスを訪れたことがある場合は、<a href="/flush" target="_blank" class="_link">Local Storageを削除</a>してください</div>
 		<MkInput v-if="meta.disableRegistration" v-model="invitationCode" class="_formBlock" type="text" spellcheck="false" required>
 			<template #label>{{ $ts.invitationCode }}</template>
 			<template #prefix><i class="fas fa-key"></i></template>

packages/client/src/ui/visitor/a.vue

@@ -18,7 +18,7 @@
 		</div>
 	</div>
 
-	<div class="main">
+	<div class="main" :class="{ 'noroot': $route.path === '/' }">
 		<div ref="contents" class="contents" :class="{ wallpaper }">
 			<header v-show="$route.path !== '/'" ref="header" class="header">
 				<XHeader :info="pageInfo"/>
@@ -131,6 +131,16 @@ export default defineComponent({
 </script>
 
 <style lang="scss" scoped>
+
+.noroot {
+	background: rgba(0, 0, 0, 0.6);
+	
+		&.transparent {
+			-webkit-backdrop-filter: var(--blur, blur(12px));
+			backdrop-filter: var(--blur, blur(12px));
+		}
+}
+
 .mk-app {
 	min-height: 100vh;
 

packages/client/src/ui/visitor/b.vue

@@ -6,7 +6,7 @@
 		<XKanban class="kanban" full/>
 	</div>
 
-	<div class="main">
+	<div class="main" :class="{ 'noroot': !root }">
 		<XKanban v-if="narrow && !root" class="banner" :powered-by="root"/>
 
 		<div class="contents">
@@ -161,6 +161,14 @@ export default defineComponent({
 </style>
 
 <style lang="scss" scoped>
+.noroot {
+	background: rgba(0, 0, 0, 0.6);
+	&.transparent {
+		-webkit-backdrop-filter: var(--blur, blur(12px));
+		backdrop-filter: var(--blur, blur(12px));
+	}
+}
+
 .tray-enter-active,
 .tray-leave-active {
 	opacity: 1;