diff --git a/.env b/.env
index e4f6615..985ef22 100644
--- a/.env
+++ b/.env
@@ -54,7 +54,6 @@ MAIL_USERNAME=null
 MAIL_PASSWORD=null
 MAIL_FROM_ADDRESS="hello@so-manager-dev.com"
 MAIL_FROM_NAME="${APP_NAME}"
-MAIL_ADMIN=null
 
 AWS_ACCESS_KEY_ID=
 AWS_SECRET_ACCESS_KEY=
diff --git a/.gitea/workflows/deploy-preview.yml b/.gitea/workflows/deploy-preview.yml
deleted file mode 100644
index ab1288e..0000000
--- a/.gitea/workflows/deploy-preview.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: Deploy preview (main_watanabe)
-
-on:
-  push:
-    branches: ["main_watanabe"]
-  workflow_dispatch:
-
-concurrency:
-  group: deploy-main_watanabe
-  cancel-in-progress: true
-
-jobs:
-  deploy:
-    runs-on: ["native"]
-    steps:
-      - uses: actions/checkout@v4
-      - name: Deploy to preview (main_watanabe)
-        env:
-          BRANCH: main_watanabe
-        run: /usr/local/bin/deploy_branch_simple.sh
\ No newline at end of file
diff --git a/public/assets/css/style_old.css b/public/assets/css/style_old.css
deleted file mode 100644
index 4af0773..0000000
--- a/public/assets/css/style_old.css
+++ /dev/null
@@ -1,618 +0,0 @@
-* {
-	font-family: "Rounded Mplus 1c";
-}
-.row img {
-	max-width: 100%;
-	height: auto;
-}
-a img { 
-    -webkit-transition: 0.3s ease-in-out;
-    -moz-transition: 0.3s ease-in-out;
-    -o-transition: 0.3s ease-in-out;
-    transition: 0.3s ease-in-out; 
-}
-a img:hover { 
-	opacity: .7;
-}
-main .jumbotron {
-    margin-bottom: 0;
-    background-color: #e9ecef;
-    border-radius: 0;
-}
-section h2 {
-	font-size: 2em;
-}
-.text-secondary {
-	color: #666 !important;
-}
-.text-success {
-    color: rgba(29,140,105,1)!important;
-}
-.btn-outline-secondary {
-    color: #666;
-    background-color: transparent;
-    background-image: none;
-    border-color: #666;
-}
-.btn-outline-secondary:hover {
-    color: #fff;
-    background-color: #666;
-    background-image: none;
-    border-color: #666;
-}
-.btn-success {
-    color: #fff;
-    background-color: rgba(29,140,105,1);
-    border-color: rgba(29,140,105,1);
-}
-.btn-outline-success {
-    color: rgba(29,140,105,1);
-    background-color: transparent;
-    background-image: none;
-    border-color: rgba(29,140,105,1);
-}
-.btn-outline-success:hover {
-    background-color: rgba(29,140,105,1);
-    border-color: rgba(29,140,105,1);
-}
-.bg-success {
-    background-color: rgba(29,140,105,1)!important;
-}
-.bg-dark {
-	background: #666 !important;
-}
-.bg-light {
-	background: #fff !important;
-}
-.border-success {
-    border-color: rgba(29,140,105,1)!important;
-}
-.form-control {
-    border-radius: 0;
-}
-
-#top #site-logo {
-	color: #666;
-}
-#top #site-logo:hover {
-	color: #000;
-}
-#top #site-logo img {
-	margin-top: -8px;
-	width: 60px;
-	float: left;
-}
-#top #site-logo h1 {
-	margin-left: 70px;
-	margin-top: -15px;
-	font-size: 30px;
-	line-height: 30px;
-}
-#top #site-logo h1 .small {
-	font-size: 12px;
-	line-height: 12px;
-}
-
-.home section h2:after {
-	content: "";
-	display: block;
-	width: 10%;
-	height: 5px;
-	margin: 20px 45%;
-	border-bottom: 5px solid rgba(29,140,105,1);
-}
-.my-page h4 {
-	margin-bottom: 0;
-	padding-left: 15px;
-	border-left: 5px solid rgba(29,140,105,1);
-}
-.my-page .alert {
-    border-radius: 0;
-}
-
-#my-menu .navbar a {
-	color: #fff;
-}
-
-@media(min-width: 993px){
-	#top .tl-search-area img, #top .tl-btn-area img {
-		width: 40px;
-		height: auto;
-  		-webkit-filter: grayscale(100%);
-  		filter: grayscale(100%);
-  		opacity: .6;
-	}
-	#top .tl-search-area img:hover, #top .tl-btn-area img:hover { 
-  		opacity: .9;
-	}	
-	#top .tl-search-area, #top .tl-btn-area {
-		margin-top: 12px;
-	}
-	#top #pc-nav-menu {
-		background: #fff;
-	}
-	#top #pc-nav-menu a {
-		color: #333;
-		font-weight: bold;
-		margin-right: 2em;
-		margin-left: 2em;
-		border-bottom: 3px solid rgba(255,255,255,0);
-	}
-	#top #pc-nav-menu a:hover {
-		color: #000;
-		border-bottom: 3px solid rgba(29,140,105,1);
-	}
-	#top #pc-nav-menu li.active a {
-		color: #000;
-		border-bottom: 3px solid rgba(29,140,105,1);
-	}
-	#my-menu {
-		margin-left: -30px;
-	}
-	#my-menu .navbar a:hover {
-		background: rgba(255,255,255,.75);
-		border-radius: 1.5em; 
-		color: #000;
-	}
-	#my-menu .navbar .active > a {
-		background: rgba(255,255,255,.75);
-		border-radius: 1.5em; 
-		color: #000;
-	}
-	#my-menu .dropdown-menu {
-		margin-top: 8px;
-    	background-color: rgba(29,140,105,.95);
-    	background-clip: padding-box;
-    	border: 0px solid rgba(0,0,0,0);
-    	border-radius: 0;
-	}
-	#my-menu .navbar .dropdown-menu a {
-		color: #fff;
-	}
-	#my-menu .navbar .dropdown-menu a:hover {
-		color: #000;
-	}
-	footer.jumbotron {
-    	padding: 2rem 1rem;
-    	margin-bottom: 0;
-    	background-color: #e9ecef;
-    	border-radius: 0;
-	}
-	footer .footer-nav-menu {
-		width: 100%;
-		display: flex;
-		justify-content: space-around;
-		list-style: none;
-	}
-	footer .footer-nav-menu li {
-		text-align: center;
-		padding-right: 3em;
-		padding-left: 1em;
-		border-right: 1px solid #ccc;
-	}
-	footer .footer-nav-menu li:last-child {
-		border-right: 0px solid rgba(255,255,255,0);
-	}
-	footer .footer-nav-menu li a {
-		color: #666;
-	}
-}
-@media(max-width: 992px){
-	#top #site-logo img {
-		margin-top: -8px;
-		width: 40px;
-		float: left;
-	}
-	#top #site-logo h1 {
-		margin-left: 50px;
-		margin-top: 2px;
-		font-size: 22px;
-		line-height: 22px;
-	}
-	#top .navbar {
-	    padding: 0 1rem;
-	}
-	#top .tl-btn-area {
-		margin-top: -5px;
-	}
-	#top .tl-btn-area .btn {
-    	padding: .25rem .5rem;
-	}
-	#top .tl-btn-area #login-btn {
-		margin-top: 4px;
-	}
-	#top .tl-btn-area #nav-menu-btn {
-		position: absolute;
-		right: 10px;
-	}
-	#top .tl-btn-area #nav-menu-btn a {
-		color: #000;
-	}
-	#top .tl-btn-area #nav-menu-btn a:hover,#top .tl-btn-area #nav-menu-btn a:focus,#top .tl-btn-area #nav-menu-btn a:active {
-		color: #666;
-	}
-	#top #nav-menu {
-		background: #666;
-	}
-	#top #nav-menu a {
-		color: #fff;
-	}
-	#top #nav-menu a:hover {
-		color: #ccc;
-	}
-	#top #nav-menu form.container > .row {
-		margin-left: 0;
-		margin-right: 0;
-	}
-	#top .col-12 {
-		padding-left: 0 !important;
-		padding-right: 0 !important;
-	}
-	#top .collapse.show {
-		width: 100%;
-	}
-	#top .collapse.show li {
-		border-bottom: 1px solid #ccc;
-		padding-left: 10px;
-	}
-	#top .collapse.show li:after {
-    	content: '⟩';
-    	display: inline-block;
-    	float: right;
-    	margin-top: -2rem;
-    	margin-right: 10px;
-    	width: 1em;
-    	text-indent: 0;
-    	color: #999;
-   	}
-   	#my-menu .navbar-dark .navbar-toggler {
-   		display: block;
-   		width: 100%;
-    	color: rgba(255,255,255,1);
-    	border-color: rgba(255,255,255,0);
-	}
-	#nav-menu .container, #my-menu .container {
-	    padding-right: 0;
-    	padding-left: 0;
-	}
-	#my-menu .navbar {
-	    padding: .5rem 0;
-	}
-	#my-menu .navbar a:hover {
-		color: rgba(255,255,255,.75);
-	}
-	#nav-menu .collapse.show li, #my-menu .collapse.show li {
-		border-bottom: 1px solid rgba(255,255,255,.5);
-		padding-left: 10px;
-		padding-right: 10px;
-	}
-	#my-menu .collapse.show li:first-child {
-		border-top: 1px solid rgba(255,255,255,.5);
-		margin-top: 10px;
-	}
-	#my-menu .collapse.show li:last-child {
-		border-bottom: 0px solid rgba(255,255,255,0);
-	}
-	#my-menu .collapse.show li:after {
-    	content: '⟩';
-    	display: inline-block;
-    	float: right;
-    	margin-top: -2em;
-    	margin-right: 0px;
-    	width: 1em;
-    	text-indent: 0;
-    	color: rgba(255,255,255,.75);
-   	}
-   	#my-menu .dropdown-toggle::after {
-	    content: "";
-    	border-top: 0 solid;
-    	border-right: 0 solid transparent;
-    	border-bottom: 0;
-    	border-left: 0 solid transparent;
-	}
-	#my-menu .collapse.show li.dropdown:after {
-    	content: '⟩';
-    	display: inline-block;
-    	position: absolute;
-    	top: 3em;
-    	right: 15px;
-    	width: 1em;
-    	text-indent: 0;
-    	color: rgba(255,255,255,.75);
-		transform: rotate( 90deg );
-   	}
-	#my-menu .dropdown-menu {
-		margin-top: 8px;
-    	background-color: rgba(255,255,255,.25);
-    	background-clip: padding-box;
-    	border: 0px solid rgba(0,0,0,0);
-    	border-radius: 0;
-	}
-	#my-menu .navbar .dropdown-menu a {
-		color: #fff;
-	}
-	#my-menu .navbar .dropdown-menu a:hover {
-		color: #000;
-	}
-	footer.jumbotron {
-		padding: 0 0;
-		padding-bottom: 40px;
-	}
-	footer.jumbotron .container {
-    	padding-right: 0;
-    	padding-left: 0;
-	}	
-	footer.jumbotron .container > .row {
-	    margin-right: 0;
-    	margin-left: 0;
-	}
-	footer.jumbotron .container > .row .col-12 {
-	    padding-right: 0;
-    	padding-left: 0;
-	}
-
-	footer .footer-nav-menu {
-		width: 100%;
-		margin: 0 0;
-		padding: 0 0;
-		display: flex;
-		flex-wrap: wrap;
-		justify-content: space-around;
-		list-style: none;
-	}
-	footer .footer-nav-menu li {
-		text-align: center;
-		width: 50%;
-		padding: .5em;
-		border-bottom: 1px solid #fff;
-		border-right: 1px solid #fff;
-	}
-	footer .footer-nav-menu li:last-child {
-		border-right: 0px solid rgba(255,255,255,0);
-	}
-	footer .footer-nav-menu li a {
-		color: #666;
-	}
-}
-@media(max-width: 320px){
-	#top #site-logo img {
-		margin-top: -5px;
-		width: 30px;
-		float: left;
-	}
-	#top #site-logo h1 {
-		margin-left: 35px;
-		margin-top: 2px;
-		font-size: 18px;
-		line-height: 18px;
-	}
-}
-#front-catch-area.jumbotron, #banner.jumbotron {
-	padding-bottom: 0;
-    margin-bottom: 0;
-    background-color: rgba(29,140,105,1);
-    border-radius: 0;
-}
-#front-catch-area.jumbotron h2 {
-	color: #fff;
-}
-#front-catch-area.jumbotron .btn-success {
-    color: rgba(29,140,105,1);
-    background-color: rgba(255,255,255,1);
-    border-color: rgba(255,255,255,1);
-}
-#front-catch-area.jumbotron .btn-success:hover {
-    color: #fff;
-    background-color: #333;
-    border-color: rgba(255,255,255,0.75);
-}
-#front-catch-area.jumbotron .btn-secondary {
-    color: #000;
-    background-color: #ccc;
-    border-color:  #ccc;
-}
-#front-catch-area.jumbotron .btn-secondary:hover {
-    color: #fff;
-    background-color: #333;
-    border-color: rgba(255,255,255,0.75);
-}
-#front-catch-area.jumbotron .card a {
-    color: #333;
-}
-
-#main-news .alert {
-    position: relative;
-    padding: .25rem 1.25rem;
-    margin-bottom: 1rem;
-    border: 0 solid transparent;
-    border-radius: 0;
-}
-#main-news table td h3 {
-	font-size: 1em;
-	padding-top: 5px;
-}
-#main-news table td h3 a {
-	display: block;
-	width: 98%;
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-	overflow: hidden;
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-#main-news table td h3 a:hover {
-	color: rgba(29,140,105,1);
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-#main-news table td h3:after {
-	content: "…";
-	display: block;
-	width: 2%;
-	float: right;
-	position: relative;
-	top: -1.3em;
-	font-size: 1em;
-	color: #333;
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-@media(max-width: 992px){
-	#main-news table tr th {
-		display: block;
-		width: 45%;
-		float: left;
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-	#main-news table tr td {
-		display: block;
-		width: 100%;
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-.p-mark {
-	float: right;
-	margin-top: -80px;
-}
-
-.my-page #top .tl-btn-area #login-btn {
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-@media (max-width: 992px){
-	.my-page #top .tl-btn-area #login-btn {
-		position: relative;
-		top: 10px;
-	}
-}
-.my-page .card-title {
-    margin-bottom: 0;
-}
-/*左右の矢印の色を変える*/
-.my-page .slick-prev:before,
-.my-page .slick-next:before {
-    color: #000;
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-/*左右の矢印の位置を変える*/
-.my-page .slider_2-1 .slick-next {
-    right: -20px;
-    z-index: 99;
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-.my-page .slider_2-1 .slick-prev {
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-    z-index: 100;
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-.my-page .slider_1-1 .slick-next {
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-    z-index: 99;
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-.my-page .slider_1-1 .slick-prev {
-     left: 10px;
-    z-index: 100;
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-.my-page .info-slider_1-1 .slick-next {
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-    z-index: 99;
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-     left: 15px;
-    z-index: 100;
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-.my-page .info-slider_1-1 {
-	margin-top: 18px;
-	margin-left: -10px;
-	margin-right: 20px;
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-.my-page .info-slider_1-1 li a {
-	display: block;
-	width: 100%;
-	height: 1.2em;
-	overflow: hidden;
-	white-space: nowrap;
-	text-overflow: ellipsis;	
-}
-
-.slider-container {
-  display: none;
-  position: relative;
-}
-.slider-container.initialized {
-  display:block;
-}
-.slider {
-  margin: 0 24px;
-  overflow: hidden;
-}
-.slick-list {
-  margin-right: -12px;  /* ガター分ネガティブマージン */
-}
-.slick-slide {
-  margin-right: 12px;  /* ガター */
-}
-.slick-slide {
-  padding: .15em 0;
-}
-
-table.tablesorter {
-    font-size: 1em;
-}
-table.tablesorter thead tr th, table.tablesorter tfoot tr th {
-    background-color: #d4edda;
-    font-size: 1em;
-}
-table.tablesorter thead tr .headerSortDown, table.tablesorter thead tr .headerSortUp {
-    background-color: rgba(29,140,105,.3);
-}
-
-/* 文字サイズ
-==============================*/
-body .f-big {
-	font-size: 120%;
-}
-body .f-bigger {
-	font-size: 140%;
-}
-body .f-small {
-	font-size: 80%;
-}
-@media(min-width: 1025px){
-	#scale-control-area {
-		min-width: 170px;
-		height: auto;
-		background: rgba(0,0,0,.1);
-		text-align: right;
-		padding-bottom: 10px;
-		position: fixed;
-		top: 0;
-		right: 0;
-	}
-}
-@media(max-width: 1024px){
-	#scale-control-area {
-		width: 100%;
-		height: auto;
-		background: rgba(0,0,0,.1);
-		text-align: center;
-		padding-bottom: 10px;
-		position: fixed;
-		bottom: 0;
-		left: 0;
-	}
-}
-
-/* レスポンシブ強制クラス
-==============================*/
-@media(max-width: 992px){
-	.pc {
-		display: none;
-	}
-}
-@media(min-width: 993px){
-	.sp {
-		display: none;
-	}
-}
-
-/* 強制マージン
-==============================*/
-.mt10{ margin-top: 10px; }.mt15{ margin-top: 15px; }.mt20{ margin-top: 20px; }.mt30{ margin-top: 30px; }.mt40{ margin-top: 40px; }.mt50{ margin-top: 50px; }
-.mb10{ margin-bottom: 10px; }.mb15{ margin-bottom: 15px; }.mb20{ margin-bottom: 20px; }.mb30{ margin-bottom: 30px; }.mb40{ margin-bottom: 40px; }.mb50{ margin-bottom: 50px; }
-.ml10{ margin-left: 10px; }.ml15{ margin-left: 15px; }.ml20{ margin-left: 20px; }.ml30{ margin-left: 30px; }.ml40{ margin-left: 40px; }.ml50{ margin-left: 50px; }
-.mr10{ margin-right: 10px; }.mr15{ margin-right: 15px; }.mr20{ margin-right: 20px; }.mr30{ margin-right: 30px; }.mr40{ margin-right: 40px; }.mr50{ margin-right: 50px; }
-.pt10{ padding-top: 10px; }.pt20{ padding-top: 20px; }.pt30{ padding-top: 30px; }.pt40{ padding-top: 40px; }.pt50{ padding-top: 50px; }
-.pb10{ padding-bottom: 10px; }.pb20{ padding-bottom: 20px; }.pb30{ padding-bottom: 30px; }.pb40{ padding-bottom: 40px; }.pb50{ padding-bottom: 50px; }
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-.pr10{ padding-right: 10px; }.pr20{ padding-right: 20px; }.pr30{ padding-right: 30px; }.pr40{ padding-right: 40px; }.pr50{ padding-right: 50px; }
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