diff --git a/src/main/resources/static/css/web/service/makeReservation.css b/src/main/resources/static/css/web/service/makeReservation.css
index 1cee355..753770d 100644
--- a/src/main/resources/static/css/web/service/makeReservation.css
+++ b/src/main/resources/static/css/web/service/makeReservation.css
@@ -1,616 +1,459 @@
-.fix_area {
-    min-width: 1200px;
-    width: 1200px;
-    margin: 0 auto;
-    padding: 0 16px;
-}
-
-.contents_area{
-	margin-top:50px;
-	margin-bottom:30px;
-}
-
-.reservation_ul{
-	display: flex;
-    gap: 20px;
-}
-
-.reservation_ul>li{
-	width: calc((100% - 40px) / 3);
-    border-radius: 20px;
-    overflow: hidden;
-    box-shadow: 2px 2px 15px rgba(0, 0, 0, .05);
-    padding-right: 0;
-    padding-left: 0;
-	
-}
-
-.section_div{
-	position: relative;
-    height: 800px;
-    background-color: #f5f5f5;
-    border: 1px solid #ddd;
-    overflow: hidden;
-}
-
-.section_div_wrap {
-    position: absolute;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    background-color: #fff;
-}
-
-.tit-box_div{
-	position: relative;
-	padding: 1.6rem 2.8rem 0;
-    display: flex;
-    gap: 19px;
-    align-items: center;
-}
-
-
-.step_span{
-	color: #A73439;
-	font-size:2rem;
-}
-
-.reservation-box_div {
-	position: absolute;
-    top: 60px;
-    left: 0;
-    right: 0;
-    bottom: 0;
-    padding: 1rem;
-}
-
-.main-item-info{
-	position: relative;
-    height: 100%;
-}
-
-.w_top_select {
-    height: calc(100% - 155px);
-    overflow-y: auto;
-    overflow-x: hidden;
-}
-
-.service-list-wrap {
-    padding-top: .666rem;
-    position: relative;
-    height: 100%;
-}
-
-.service-list-wrap li{
-	width:100%;
-}
-
-.s_item{
-	padding-bottom:20px;
-}
-
-.w_top_select .selt_info_wrap:first-child {
-    padding-top: 0;
-}
-
-.w_top_select .selt_info_wrap {
-    padding: 20px 0;
-    display: flex;
-    align-items: center;
-    border-bottom: 1px solid #ddd;
-    
-}
-
-
-.selt_info_wrap {
-    position: relative;
-    min-height: 4.5rem;
-}
-
-.w_top_select .selt_info_wrap .selt {
-    padding-top: 0;
-    padding-left: 10px;
-    padding-right: 0.5em;
-    width: 61%;
-}
-
-.item_subprice {
-    min-height: 42px;
-}
-
-.item_subprice>span{
-	font-size:1.8rem;
-}
-
-
-.w_top_select .selt_info_wrap .info {
-    position: relative;
-    padding-right: 30px;
-    width: 45%;
-    top: 0.7rem;
-    width: 9em;
-}
-
-.w_top_select .selt_info_wrap .info div{
-	display:block;
-	text-align:right;
-}
-
-.w_top_select .selt_info_wrap .info button {
-    position: absolute;
-    top: 1rem;
-    right: 0;
-}
-
-.bn{
-	border:none;
-	background-color:#fff;
-}
-
-button > img {
-    display: block;
-}
-
-img {
-    border-style: none;
-}
-
-.d-block{
-	display:block;	
-}
-
-.original_price {
-    color: #757575;
-    opacity: 0.7;
-}
-
-.discount_price {
-    font-family: 'Campton', Sans-serif;
-    font-weight: 600;
-    font-size:2rem;
-    color: #A73439;
-}
-
-
-
-.section-botton_div .total {
-    background-color: #F5F5F5;
-    border-top: 2px solid #A73439;
-}
-
-.section-botton_div .total {
-    position: relative;
-    background-color: #e6e6e6;
-    padding: 20px 20px 15px;
-    font-size: 16px;
-}
-
-.border-t.dk {
-    border-color: #221e1f;
-}
-
-.section-botton_div{
-	position:absolute;
-	bottom:0;
-	left:0;
-	width:100%;
-}
-
-
-.section-botton_div .total .left {
-    position: absolute;
-    top: 2.5rem;
-    left: 1.5rem;
-    font-size:1.8rem;
-}
-
-.section-botton_div .total .right {
-    text-align: right;
-    padding-left: 5em;
-    padding-bottom: 1rem;
-    line-height: 1.5rem;
-}
-
-
-.section-botton_div .total .txt-small {
-    font-size: 9pt;
-    line-height: 1.5em;
-    opacity: 0.7;
-    font-weight: 400;
-    letter-spacing: -1px;
-}
-
-.total_price {
-    font-family: 'Campton', Sans-serif;
-    font-weight: 600;
-    color: #A73439;
-}
-
-.calender_div{
-	position:relative;
-	padding:30px;
-	height:460px;
-}
-
-.tui-datepicker {
-	position:relative;
-}
-
-.customer-info_div{
-	padding:20px 30px;
-	height:460px;
-}
-.customer-info_div .form-label{
-	float: none;
-    padding-top: 0;
-    width: 100%;
-    display: block;
-    margin-bottom: 4px;
-    color: #444;
-    font-weight: 500;
-    font-size: 2rem;
-    margin-top: 0;
-}
-
-.form-box{
-	margin-top:10px;
-}
-
-.form-box > .right_sec {
-    float: none;
-    width: 100%;
-    flex-wrap: wrap;
-    gap: 8px 4px;
-}
-
-.fm_ctrl {
-    display: block;
-    width: 100%;
-    padding: 7px 5px !important;
-    font-size: 1.7rem;
-    line-height: 1;
-    background-color: #fff;
-    background-clip: padding-box;
-    border: 1px solid #ced4da;
-    border-radius:3px;
-    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
-}
-
-.__counsl_wrap .wsnwp {
-    position: relative;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    border: 1px solid #A73439;
-    border-radius: 5px;
-    overflow: hidden;
-}
-
-.__counsl_wrap .wsnwp > label {
-    width: 50%;
-    text-align: center;
-    margin-bottom:0px !important;
-}
-
-._cs-radio input[type=radio]:not(old):checked + .r_visible > span {
-    background-color: #A73439;
-    color: #FFFFFF;
-}
-
-._cs-radio input[type=radio] + .r_visible > span {
-    background-color: #FFFFFF;
-    display: block;
-    width: 100%;
-    height: 100%;
-    padding: 7px 0;
-    color: #A73439;
-    cursor: pointer;
-}
-
-._cs-radio input[type=radio]:not(old) {
-    width: 0;
-    margin: 0;
-    padding: 0;
-    opacity: 0;
-    font-size: 1em;
-}
-
-._cs-radio input[type="radio"] {
-    display: none;
-}
-
-.request_memo{
-	width:100%;
-	font-size: 1.7rem;
-	padding:3px;
-}
-
-.section-bottom_div{
-	position:relative;
-	width:100%;
-}
-
-
-
-.b-border{
-	border-bottom:solid 1px #ddd;
-}
-
-.time_div{
-	margin:15px 0px;
-}
-.time-grid {
-  display: grid;
-  grid-template-columns: repeat(4, 1fr);
-  gap: 16px 12px; /* 세로, 가로 간격 */
-  max-width: 350px;
-  margin: 0 auto;
-}
-.time-btn {
-  display: inline-block;
-  width: 100%;
-  padding: 10px 0;
-  border: 1px solid #bbb;
-  border-radius: 20px;
-  background: #fff;
-  color: #444;
-  font-size: 1.3rem;
-  text-align: center;
-  cursor: pointer;
-  transition: background 0.2s, color 0.2s, border 0.2s;
-}
-.time-btn.active {
-  background: #007bff;
-  color: #fff;
-  border-color: #007bff;
-}
-
-
-.tui-calendar-date.tui-calendar-sun  {
-  color: #e74c3c !important;
-}
-
-/* 토요일: 회색 */
-.tui-calendar-date.tui-calendar-sat {
-  color: #0000ff !important;
-}
-
-.tui-datepicker-type-date{
-	width:100% !important;	
-}
-
-/* 달력 전체 폰트 크기 및 셀 크기 키우기 */
-.tui-datepicker {
-  width:83%;
-  font-size: 22px !important; /* 달력 전체 폰트 크기 */
-}
-
-.tui-calendar {
-  width:100% !important;
-  font-size: 22px !important; /* 달력 내부 폰트 크기 */
-}
-
-.tui-calendar-date {
-  font-size: 22px !important; /* 날짜 숫자 크기 */
-  min-width: 48px;
-  min-height: 48px;
-  line-height: 48px;
-}
-
-/* 요일(일~토) 폰트 크기 */
-.tui-calendar-day {
-  font-size: 20px !important;
-}
-
-/* 달력 헤더(년/월) 폰트 크기 */
-.tui-calendar-header {
-  font-size: 24px !important;
-}
-
-/* 네비게이션(이전/다음) 버튼 크기 */
-.tui-calendar-btn {
-  font-size: 24px !important;
-  width: 40px;
-  height: 40px;
-}
-
-.selected-time_div{
-	padding:10px 30px;
-	text-align:center;
-}
-
-.selected-time_div>span{
-	display:inline-block;
-	
-}
-
-.selected-time_div .tit_span{
-	color:#6a6a6a;
-	font-size:1.5rem;
-	width:20%;
-	text-align:center;
-}
-.person-cnt_span{
-	color:#0080ff;
-	font-size:2rem;
-}
-.person-cnt_span>b{
-	color:#6a6a6a;
-	font-size:1.5rem;
-}
-
-.checkbox-area_div{
-	padding:30px;
-	min-height:240px;
-}
-
-.btn-primary {
-    border: 1px solid #a73439;
-    background-color: #a73439;
-    color: #fff;
-    width: 100%;
-    height: 56px;
-}
-
-.disabled-sunday {
-  color: #e74c3c !important;  /* 빨간색 */
-  background: #f9d6d5 !important; /* 연한 빨간 배경 (선택) */
-  cursor: not-allowed !important;
-}
-
-.height850{
-	height: 850px;
-}
-
-/* ====== 반응형 웹 미디어 쿼리 추가 ====== */
-
-/* 1. PC 기준(1200px 이상) */
-@media (min-width: 1200px) {
-  .fix_area {
-    min-width: 1200px;
-    width: 1200px;
-    margin: 0 auto;
-    padding: 0 16px;
-  }
-}
-
-/* 2. 태블릿(1200px 미만 ~ 768px 이상) */
-@media (max-width: 1199px) and (min-width: 768px) {
-  .fix_area {
-    min-width: 100%;
-    width: 100%;
-    padding: 0 10px;
-  }
-  .reservation_ul {
-    gap: 12px;
-  }
-  .reservation_ul > li {
-    width: calc((100% - 24px) / 3);
-    border-radius: 16px;
-  }
-  .section_div {
-    height: 650px;
-  }
-  .calender_div,
-  .customer-info_div,
-  .checkbox-area_div {
-    padding: 16px;
-    height: 350px;
-  }
-  .selected-time_div {
-    padding: 8px 10px;
-  }
-  .btn-primary {
-    height: 48px;
-    font-size: 1.2rem;
-  }
-  .time-grid {
-    grid-template-columns: repeat(3, 1fr);
-    max-width: 270px;
-  }
-}
-
-/* 3. 모바일(767px 이하) */
-@media (max-width: 767px) {
-  .fix_area {
-    min-width: 100%;
-    width: 100%;
-    padding: 0 4px;
-  }
-  .reservation_ul {
-    flex-direction: column;
-    gap: 12px;
-  }
-  .reservation_ul > li {
-    width: 100%;
-    border-radius: 12px;
-  }
-  .section_div {
-    height: auto;
-    min-height: 500px;
-    padding: 0;
-  }
-  .section_div_wrap,
-  .reservation-box_div,
-  .main-item-info,
-  .service-list-wrap,
-  .customer-info_div,
-  .calender_div,
-  .checkbox-area_div {
-    position: static;
-    width: 100%;
-    height: auto;
-    padding: 10px 4px;
-  }
-  .tit-box_div {
-    padding: 1rem 1rem 0;
-    gap: 10px;
-    flex-direction: column;
-    align-items: flex-start;
-  }
-  .step_span,
-  .form-label,
-  .item_subprice > span,
-  .discount_price,
-  .total_price,
-  .person-cnt_span {
-    font-size: 1.2rem !important;
-  }
-  .w_top_select .selt_info_wrap {
-    flex-direction: column;
-    align-items: flex-start;
-    padding: 10px 0;
-  }
-  .w_top_select .selt_info_wrap .selt,
-  .w_top_select .selt_info_wrap .info {
-    width: 100%;
-    padding: 0;
-    text-align: left;
-  }
-  .section-botton_div .total {
-    padding: 10px 4px 10px;
-    font-size: 1rem;
-  }
-  .section-botton_div .total .left,
-  .section-botton_div .total .right {
-    position: static;
-    padding: 0;
-    font-size: 1rem;
-    text-align: left;
-  }
-  .selected-time_div {
-    padding: 4px 0;
-    font-size: 1rem;
-  }
-  .selected-time_div .tit_span {
-    font-size: 1rem;
-    width: auto;
-  }
-  .btn-primary {
-    height: 44px;
-    font-size: 1rem;
-  }
-  .time-grid {
-    grid-template-columns: repeat(2, 1fr);
-    max-width: 180px;
-    gap: 8px 6px;
-  }
-  .tui-datepicker,
-  .tui-calendar {
-    width: 100% !important;
-    font-size: 1rem !important;
-  }
-  .tui-calendar-date,
-  .tui-calendar-day,
-  .tui-calendar-header,
-  .tui-calendar-btn {
-    font-size: 1rem !important;
-    min-width: 32px;
-    min-height: 32px;
-    line-height: 32px;
-  }
-}
-
-/* ====== 끝 ====== */
-
+* {
+            box-sizing: border-box;
+        }
+        
+        body {
+            font-family: 'Noto Sans KR', sans-serif;
+            margin: 0;
+            background: #fafafa;
+            color: #222;
+            height: 100vh;
+            display: flex;
+            flex-direction: column;
+        }
+
+        /* Main container */
+        .reservation-container {
+            display: flex;
+            max-width: 1280px !important;
+            margin: 0 auto;
+            gap: 20px;
+            height: 100%;
+            flex: 1;
+            padding: 20px 0;
+            margin-top:65px;
+        }
+
+        .box {
+            background: #fff;
+            border-radius: 16px;
+            box-shadow: 0 2px 8px rgba(0,0,0,0.06);
+            padding: 24px 16px;
+            flex: 1 1 0;
+            min-width: 260px;
+            display: flex;
+            flex-direction: column;
+            height: fit-content;
+            min-height: 600px;
+        }
+
+        .step-title {
+            color: #b23c3c;
+            font-weight: 700;
+            font-size: 1.1em;
+            margin-bottom: 12px;
+            letter-spacing: 0.02em;
+            transition: color 0.3s ease;
+        }
+
+        .step-title.completed {
+            color: #008000 !important;
+        }
+
+        /* Service section */
+        .service-list {
+            flex: 1;
+            margin-bottom: 24px;
+        }
+        
+        .service-item {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            font-size: 1.1em;
+            margin-bottom: 10px;
+        }
+        
+        .service-item .del {
+            cursor: pointer;
+            color: #b23c3c;
+            margin-left: 8px;
+            font-size: 1.2em;
+            transition: color 0.3s ease, opacity 0.3s ease;
+        }
+        
+        .service-item .del:hover {
+            color: #ff0000;
+        }
+        
+        .service-item .del.disabled {
+            color: #ccc;
+            cursor: not-allowed;
+            opacity: 0.5;
+        }
+        
+        .service-item .del.disabled:hover {
+            color: #ccc;
+        }
+        
+        .service-item .price {
+            font-weight: bold;
+            color: #b23c3c;
+        }
+
+        /* Service count indicator */
+        .service-count-info {
+            font-size: 0.85em;
+            color: #888;
+            margin-bottom: 8px;
+            text-align: center;
+            padding: 4px 8px;
+            background: #f8f9fa;
+            border-radius: 4px;
+        }
+
+        .service-count-info.single {
+            color: #ff8c00;
+            background: #fff3e0;
+            border: 1px solid #ffcc80;
+        }
+
+        .total {
+            border-top: 1px solid #eee;
+            margin-top: auto;
+            padding-top: 16px;
+            display: flex;
+            justify-content: space-between;
+            font-size: 1.1em;
+            font-weight: bold;
+        }
+        
+        .total .price {
+            color: #b23c3c;
+        }
+        
+        .total small {
+            font-weight: normal;
+            color: #888;
+            font-size: 0.9em;
+            margin-right: 8px;
+        }
+
+        /* Calendar section */
+        .calendar-box {
+            margin-bottom: 20px;
+        }
+        
+        .calendar-header {
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            gap: 8px;
+            margin-bottom: 8px;
+        }
+        
+        .calendar-header button {
+            background: none;
+            border: none;
+            font-size: 1.2em;
+            cursor: pointer;
+            color: #b23c3c;
+            padding: 0 6px;
+        }
+        
+        .calendar-table {
+            width: 100%;
+            border-collapse: collapse;
+            text-align: center;
+            margin-bottom: 8px;
+        }
+        
+        .calendar-table th,
+        .calendar-table td {
+            width: 2em;
+            height: 2em;
+            padding: 2px;
+            font-size: 1em;
+            border-radius: 50%;
+            cursor: pointer;
+            transition: background 0.15s;
+        }
+        
+        .calendar-table th {
+            color: #b23c3c;
+            font-weight: 500;
+            background: none;
+        }
+        
+        .calendar-table td.selected {
+            background: #b23c3c;
+            color: #fff;
+        }
+        
+        .calendar-table td.today {
+            border: 1.5px solid #b23c3c;
+        }
+        
+        .calendar-table td:not(.selected):hover {
+            background: #f5eaea;
+        }
+        
+        .calendar-table td.disabled {
+            color: #ccc;
+            pointer-events: none;
+            background: none;
+        }
+
+        /* Time slots */
+        .time-slots {
+            display: flex;
+            flex-wrap: wrap;
+            gap: 8px;
+            margin-bottom: 12px;
+        }
+        
+        .time-btn {
+            flex: 1 0 30%;
+            min-width: 80px;
+            padding: 8px 0;
+            border: 1px solid #b23c3c;
+            border-radius: 20px;
+            background: #fff;
+            color: #b23c3c;
+            font-size: 1em;
+            cursor: pointer;
+            transition: background 0.15s, color 0.15s;
+        }
+        
+        .time-btn.selected,
+        .time-btn:active {
+            background: #b23c3c;
+            color: #fff;
+        }
+        
+        .time-btn:disabled {
+            color: #ccc;
+            border-color: #eee;
+            background: #f5f5f5;
+            cursor: not-allowed;
+        }
+
+        .person-count {
+            margin-top: 12px;
+            font-size: 0.98em;
+            color: #888;
+        }
+
+        /* Form section */
+        .form-group {
+            margin-bottom: 16px;
+        }
+        
+        .form-group label {
+            display: block;
+            margin-bottom: 4px;
+            font-weight: 500;
+        }
+        
+        .form-group input,
+        .form-group textarea {
+            width: 100%;
+            padding: 8px 10px;
+            border: 1px solid #ddd;
+            border-radius: 6px;
+            font-size: 1em;
+            resize: none;
+            transition: border-color 0.3s ease;
+        }
+        
+        .form-group textarea {
+            min-height: 60px;
+        }
+
+        .checkbox-group {
+            display: flex;
+            align-items: center;
+            margin-bottom: 18px;
+            font-size: 0.98em;
+        }
+        
+        .checkbox-group input[type="checkbox"] {
+            margin-right: 8px;
+            accent-color: #b23c3c;
+        }
+
+        .submit-btn {
+            width: 100%;
+            padding: 14px 0;
+            background: #ddd;
+            color: #888;
+            border: none;
+            border-radius: 8px;
+            font-size: 1.1em;
+            font-weight: bold;
+            cursor: not-allowed;
+            transition: all 0.3s ease;
+        }
+        
+        .submit-btn.step-progress {
+            background: linear-gradient(45deg, #ddd, #bbb);
+            color: #666;
+            font-size: 0.95em;
+        }
+        
+        .submit-btn.ready {
+            background: #b23c3c;
+            color: #fff;
+            cursor: pointer;
+            animation: pulse 2s infinite;
+        }
+
+        @keyframes pulse {
+            0% { transform: scale(1); }
+            50% { transform: scale(1.02); }
+            100% { transform: scale(1); }
+        }
+
+        /* Phone message styles (common.js PhoneValidator용) */
+        .phone-message {
+            font-size: 12px;
+            margin-top: 5px;
+            padding: 4px 8px;
+            border-radius: 4px;
+            font-weight: 500;
+            transition: all 0.3s ease;
+        }
+        
+        .phone-message.error { 
+            color: #ff0000; 
+            background-color: #ffebee;
+            border: 1px solid #ffcdd2;
+        }
+        
+        .phone-message.warning { 
+            color: #ff8c00; 
+            background-color: #fff3e0;
+            border: 1px solid #ffcc80;
+        }
+        
+        .phone-message.success { 
+            color: #008000; 
+            background-color: #f1f8e9;
+            border: 1px solid #c8e6c9;
+        }
+        
+        .phone-message.info { 
+            color: #2196f3; 
+            background-color: #e3f2fd;
+            border: 1px solid #90caf9;
+        }
+
+        /* Birth date message styles */
+        .birth-date-message {
+            font-size: 12px;
+            margin-top: 5px;
+            padding: 4px 8px;
+            border-radius: 4px;
+            font-weight: 500;
+            transition: all 0.3s ease;
+        }
+        
+        .birth-date-message.error { 
+            color: #ff0000; 
+            background-color: #ffebee;
+            border: 1px solid #ffcdd2;
+        }
+        
+        .birth-date-message.warning { 
+            color: #ff8c00; 
+            background-color: #fff3e0;
+            border: 1px solid #ffcc80;
+        }
+        
+        .birth-date-message.success { 
+            color: #008000; 
+            background-color: #f1f8e9;
+            border: 1px solid #c8e6c9;
+        }
+        
+        .birth-date-message.info { 
+            color: #2196f3; 
+            background-color: #e3f2fd;
+            border: 1px solid #90caf9;
+        }
+
+        /* Responsive Design */
+        @media (max-width: 1199.98px) {
+            .reservation-container {
+                max-width: 960px !important;
+                gap: 16px;
+                padding: 20px 15px;
+            }
+            .box {
+                padding: 20px 14px;
+            }
+        }
+
+        @media (max-width: 991.98px) {
+            .reservation-container {
+                max-width: 720px !important;
+                flex-direction: column;
+                gap: 24px;
+                height: auto;
+                padding: 20px 15px;
+            }
+            .box {
+                min-height: unset;
+                min-width: unset;
+            }
+            
+        }
+
+        @media (max-width: 767.98px) {
+            .reservation-container {
+                max-width: 540px !important;
+                padding: 15px;
+                gap: 20px;
+            }
+            .box {
+                padding: 16px 12px;
+            }
+            .calendar-table th,
+            .calendar-table td {
+                width: 1.8em;
+                height: 1.8em;
+            }
+            .time-btn {
+                min-width: 70px;
+                font-size: 0.95em;
+            }
+        }
+
+        @media (max-width: 575.98px) {
+            .reservation-container {
+                max-width: 100% !important;
+                padding: 10px;
+                gap: 16px;
+            }
+            .box {
+                padding: 16px 8px;
+            }
+            .calendar-table th,
+            .calendar-table td {
+                width: 1.5em;
+                height: 1.5em;
+                font-size: 0.9em;
+            }
+            .time-btn {
+                min-width: 60px;
+                font-size: 0.9em;
+                padding: 6px 0;
+            }
+            .step-title {
+                font-size: 1em;
+            }
+            .service-item {
+                font-size: 1em;
+            }
+        }
+        .calendar-table td.disabled {
+		    color: #ccc;
+		    cursor: not-allowed;
+		    pointer-events: none;
+		    background: none !important;
+		}
+		
+		.calendar-table td.disabled:hover {
+		    background: none !important;
+		    cursor: not-allowed !important;
+		}
\ No newline at end of file