/* 데스크탑과 태블릿에서는 br 숨김 (한 줄) */
.mobile_br {
    display: none;
}

/* 모바일에서 br 표시 */
@media (max-width: 767px) {
    .mobile_br {
        display: block;
    }
}

/* ===== 지노블 프리미엄 메인 섹션 ===== */
.premium_main_section {
    position: relative;
    width: 100%;
    height: 580px; /* 데스크탑 기본 높이 */
    margin-top: 70px; /* top_banner 높이만큼 여백 - 기본값 */
    background-image: url('/theme/gnoble/images/membership/main_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.premium_main_container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.premium_main_content {
    text-align: center;
    color: #FFFFFF;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.premium_main_title {
    font-size: 40px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 60px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.premium_navigation {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    width: 100%;
    max-width: 1200px;
    overflow: hidden;
}

.premium_nav_item {
    flex: 1;
    padding: 20px 0;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    text-align: center;
    border-right: none; /* 단일 탭이므로 border 제거 */
    background: rgba(72, 67, 60, 0.8);
    text-decoration: none;
    display: block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    /* border-radius 제거 - 직각 모서리 유지 */
}

.premium_nav_item span {
    font-family: 'Noto Sans', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    transition: all 0.3s ease;
    display: block;
}

.premium_nav_item.active span {
    color: #D4AF5F;
    font-weight: 600;
}

.premium_nav_item:hover span {
    color: #D4AF5F;
}

.premium_nav_item:hover {
    background: rgba(72, 67, 60, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.premium_nav_item:focus {
    outline: 2px solid #D4AF5F;
    outline-offset: 2px;
}

.premium_nav_item:active {
    transform: translateY(0);
}

/* ===== 반응형 디자인 ===== */

/* 1. 데스크탑 (1200px 이상) - 기본 스타일 */
@media (min-width: 1200px) {
    .premium_main_section {
        height: 580px;
        margin-top: 70px; /* 데스크탑 top_banner 높이 */
    }
    
    .premium_main_title {
        font-size: 40px; /* 데스크탑 */
        margin-bottom: 60px;
    }
    
    .premium_navigation {
        max-width: 1200px; /* 단일 탭이지만 전체 너비 사용 */
    }
    
    .premium_nav_item {
        padding: 20px 0;
    }
    
    .premium_nav_item span {
        font-size: 18px; /* 데스크탑 */
    }
}

/* 2. 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .premium_main_section {
        height: 520px; /* 태블릿 중간값 */
        margin-top: 60px; /* 태블릿 top_banner 높이 */
    }
    
    .premium_main_title {
        font-size: 35px; /* 태블릿 중간값 */
        margin-bottom: 50px;
    }
    
    .premium_navigation {
        max-width: 100%; /* 태블릿에서도 전체 너비 사용 */
    }
    
    .premium_nav_item {
        padding: 18px 0;
    }
    
    .premium_nav_item span {
        font-size: 16px; /* 태블릿 중간값 */
    }
}

/* 3. 모바일 (480px ~ 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .premium_main_section {
        height: 480px; /* 모바일 중간값 */
        margin-top: 55px; /* 모바일 top_banner 높이 */
    }
    
    .premium_main_container {
        padding: 0 15px;
    }
    
    .premium_main_title {
        font-size: 32px; /* 모바일 중간값 */
        margin-bottom: 40px;
    }
    
    .premium_navigation {
        max-width: 100%; /* 모바일에서도 전체 너비 사용 */
    }
    
    .premium_nav_item {
        padding: 15px 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .premium_nav_item span {
        font-size: 15px; /* 모바일 중간값 */
    }
}

/* 4. 작은 모바일 (480px 이하) */
@media (max-width: 479px) {
    .premium_main_section {
        height: 435px; /* 작은 모바일 */
        margin-top: 55px; /* 작은 모바일 top_banner 높이 */
    }
    
    .premium_main_container {
        padding: 0 15px;
    }
    
    .premium_main_title {
        font-size: 30px; /* 작은 모바일 */
        margin-bottom: 35px;
    }
    
    .premium_navigation {
        max-width: 100%; /* 작은 모바일에서도 전체 너비 사용 */
    }
    
    .premium_nav_item {
        padding: 12px 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .premium_nav_item span {
        font-size: 13px; /* 작은 모바일 */
    }
}

/* ===== 프리미엄 타이틀 섹션 ===== */
.premium_title_section {
    background-color: #FFFFFF;
    padding: 100px 0 40px 0; /* 데스크탑 기본값 */
}

.premium_title_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.premium_title {
    font-size: 40px; /* 데스크탑 기본값 */
    font-weight: 700;
    color: #333333;
    text-align: left;
    margin: 0;
    line-height: 1.2;
}

/* 1. 데스크탑 (1200px 이상) - 기본 스타일 */
@media (min-width: 1200px) {
    .premium_title_section {
        padding: 100px 0 40px 0; /* 데스크탑 */
    }
    
    .premium_title {
        font-size: 40px; /* 데스크탑 */
    }
}

/* 2. 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .premium_title_section {
        padding: 87px 0 35px 0; /* 태블릿 중간값 */
    }
    
    .premium_title {
        font-size: 35px; /* 태블릿 중간값 */
    }
}

/* 3. 모바일 (480px ~ 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .premium_title_section {
        padding: 81px 0 32px 0; /* 모바일 중간값 */
    }
    
    .premium_title_container {
        padding: 0 15px;
    }
    
    .premium_title {
        font-size: 32px; /* 모바일 중간값 */
    }
}

/* 4. 작은 모바일 (480px 이하) */
@media (max-width: 479px) {
    .premium_title_section {
        padding: 75px 0 30px 0; /* 작은 모바일 */
    }
    
    .premium_title_container {
        padding: 0 15px;
    }
    
    .premium_title {
        font-size: 30px; /* 작은 모바일 */
    }
}

/* ===== 프리미엄 섹션 1: 프리미엄 소개 ===== */
.premium_section1 {
    position: relative;
    width: 100%;
    /* min-height: 600px; 데스크탑 기본 높이 */
    background-image: url('/theme/gnoble/images/membership/premium_section01_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.premium_section1::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3); /* 어두운 오버레이 */
    z-index: 1;
}

.premium_section1_container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.premium_section1_content {
    text-align: center;
    color: #FFFFFF;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.premium_section1_logo {
    position: relative;
    z-index: 3;
    max-width: 100%;
}

.premium_section1_logo img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 20px rgba(212, 175, 96, 0.3));
}

/* ===== 반응형 디자인 ===== */

/* 1. 데스크탑 (1200px 이상) - 기본 스타일 */
@media (min-width: 1200px) {
    .premium_section1 {
        /* min-height: 600px; */
        padding: 80px 0;
    }
    
    .premium_section1_logo img {
        max-width: 800px; /* 데스크탑에서 로고 최대 크기 */
    }
}

/* 2. 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .premium_section1 {
        /* min-height: 500px; */
        padding: 70px 0;
    }
    
    .premium_section1_container {
        padding: 0 15px;
    }
    
    .premium_section1_logo img {
        max-width: 600px; /* 태블릿에서 로고 크기 */
    }
}

/* 3. 모바일 (480px ~ 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .premium_section1 {
        /* min-height: 450px; */
        padding: 65px 0;
    }
    
    .premium_section1_container {
        padding: 0 15px;
    }
    
    .premium_section1_logo img {
        max-width: 400px; /* 모바일에서 로고 크기 */
    }
}

/* 4. 작은 모바일 (480px 이하) */
@media (max-width: 479px) {
    .premium_section1 {
        /* min-height: 400px; */
        padding: 60px 0;
    }
    
    .premium_section1_container {
        padding: 0 15px;
    }
    
    .premium_section1_logo img {
        max-width: 300px; /* 작은 모바일에서 로고 크기 */
    }
}

/* ===== 프리미엄 섹션 2: 진행절차 ===== */
.premium_section2 {
    background-color: #FFFFFF;
    padding: 100px 0; /* 데스크탑 기본값 */
}

.premium_section2_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.premium_section2_content {
    display: flex;
    gap: 80px;
    align-items: flex-start;
}

.premium_section2_left {
    flex: 1;
}

.premium_section2_right {
    flex: 1.9;
}

.premium_section2_header {
    text-align: left;
    margin-bottom: 0;
}

.premium_section2_title {
    font-family: 'Noto Serif KR', serif;
    font-size: 40px;
    font-weight: 700;
    color: #48433C;
    margin: 0 0 30px 0;
    line-height: 1.2;
}

.premium_section2_subtitle {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 18px;
    font-weight: 400;
    color: #333333;
    margin: 0;
    line-height: 1.6;
}

.premium_section2_steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px 40px;
}

.premium_step_item {
    display: flex;
    flex-direction: column;
}

.premium_step_content {
    flex: 1;
}

.premium_step_title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #48433C;
    margin: 0 0 20px 0;
    line-height: 1.3;
    display: flex;
    align-items: center;
    gap: 10px;
}

.premium_step_number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: #D4AF60;
    color: #FFFFFF;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.premium_step_image {
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
}

.premium_step_image img {
    width: 100%;
    height: auto;
    display: block;
}

.premium_step_text {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 18px;
    font-weight: 400;
    color: #333333;
    margin: 0;
    line-height: 1.6;
}

/* ===== 반응형 디자인 ===== */

/* 1. 데스크탑 (1200px 이상) - 기본 스타일 */
@media (min-width: 1200px) {
    .premium_section2 {
        padding: 100px 0;
    }
    
    .premium_section2_title {
        font-size: 40px;
    }
    
    .premium_section2_subtitle {
        font-size: 18px;
    }
    
    .premium_section2_steps {
        gap: 60px 40px;
    }
    
    .premium_step_number {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .premium_step_title {
        font-size: 24px;
    }
    
    .premium_step_text {
        font-size: 18px;
    }
}

/* 2. 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .premium_section2 {
        padding: 80px 0;
    }
    
    .premium_section2_content {
        gap: 60px;
    }
    
    .premium_section2_title {
        font-size: 35px;
    }
    
    .premium_section2_subtitle {
        font-size: 16px;
    }
    
    .premium_section2_steps {
        gap: 50px 30px;
    }
    
    .premium_step_number {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .premium_step_title {
        font-size: 22px;
    }
    
    .premium_step_text {
        font-size: 16px;
    }
}

/* 3. 모바일 (480px ~ 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .premium_section2 {
        padding: 60px 0;
    }
    
    .premium_section2_container {
        padding: 0 15px;
    }
    
    .premium_section2_content {
        flex-direction: column;
        gap: 40px;
    }
    
    .premium_section2_right {
        flex: 1;
        width: 100%;
    }
    
    .premium_section2_title {
        font-size: 32px;
    }
    
    .premium_section2_subtitle {
        font-size: 15px;
    }
    
    .premium_section2_steps {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .premium_step_number {
        width: 32px;
        height: 32px;
        font-size: 15px;
    }
    
    .premium_step_title {
        font-size: 20px;
    }
    
    .premium_step_text {
        font-size: 15px;
    }
}

/* 4. 작은 모바일 (480px 이하) */
@media (max-width: 479px) {
    .premium_section2 {
        padding: 50px 0;
    }
    
    .premium_section2_container {
        padding: 0 15px;
    }
    
    .premium_section2_content {
        flex-direction: column;
        gap: 35px;
    }
    
    .premium_section2_right {
        flex: 1;
        width: 100%;
    }
    
    .premium_section2_title {
        font-size: 30px;
    }
    
    .premium_section2_subtitle {
        font-size: 13px;
    }
    
    .premium_section2_steps {
        grid-template-columns: 1fr;
        gap: 35px;
    }
    
    .premium_step_number {
        width: 30px;
        height: 30px;
        font-size: 13px;
    }
    
    .premium_step_title {
        font-size: 18px;
    }
    
    .premium_step_text {
        font-size: 13px;
    }
}

/* ===== 프리미엄 섹션 3: 안심서비스 ===== */
.premium_section3 {
    background-color: #FFFCF7;
    padding: 100px 0;
}

.premium_section3_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.premium_section3_content {
    width: 100%;
}

.premium_section3_title {
    font-family: 'Noto Serif KR', serif;
    font-size: 40px;
    font-weight: 700;
    color: #48433C;
    text-align: center;
    margin: 0 0 80px 0;
    line-height: 1.2;
}

.premium_section3_items {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.premium_service_item {
    display: flex;
    align-items: center;
    gap: 40px;
}

.premium_service_text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
}

.premium_service_title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    margin: 0 0 20px 0;
    line-height: 1.3;
}

.premium_service_description {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 18px;
    font-weight: 400;
    color: #333333;
    margin: 0;
    line-height: 1.6;
}

.premium_service_image {
    flex: 1;
    /* border-radius: 12px; */
    overflow: hidden;
}

.premium_service_image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== 반응형 디자인 - 섹션 3 ===== */

/* 1. 데스크탑 (1200px 이상) - 기본 스타일 */
@media (min-width: 1200px) {
    .premium_section3 {
        padding: 100px 0;
    }
    
    .premium_section3_title {
        font-size: 40px;
        margin-bottom: 80px;
    }
    
    .premium_section3_items {
        gap: 60px;
    }
    
    .premium_service_item {
        gap: 40px;
    }
    
    .premium_service_title {
        font-size: 24px;
    }
    
    .premium_service_description {
        font-size: 18px;
    }
    
    .premium_service_image {
        flex: 1;
    }
}

/* 2. 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .premium_section3 {
        padding: 80px 0;
    }
    
    .premium_section3_title {
        font-size: 35px;
        margin-bottom: 60px;
    }
    
    .premium_section3_items {
        gap: 50px;
    }
    
    .premium_service_item {
        gap: 30px;
    }
    
    .premium_service_title {
        font-size: 22px;
    }
    
    .premium_service_description {
        font-size: 16px;
    }
    
    .premium_service_image {
        flex: 1;
    }
}

/* 3. 모바일 (480px ~ 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .premium_section3 {
        padding: 60px 0;
    }
    
    .premium_section3_container {
        padding: 0 15px;
    }
    
    .premium_section3_title {
        font-size: 32px;
        margin-bottom: 50px;
    }
    
    .premium_section3_items {
        gap: 40px;
    }
    
    .premium_service_item {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .premium_service_title {
        font-size: 20px;
    }
    
    .premium_service_description {
        font-size: 15px;
    }
    
    .premium_service_image {
        flex: none;
        width: 100%;
    }
}

/* 4. 작은 모바일 (480px 이하) */
@media (max-width: 479px) {
    .premium_section3 {
        padding: 50px 0;
    }
    
    .premium_section3_container {
        padding: 0 15px;
    }
    
    .premium_section3_title {
        font-size: 30px;
        margin-bottom: 40px;
    }
    
    .premium_section3_items {
        gap: 35px;
    }
    
    .premium_service_item {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }
    
    .premium_service_title {
        font-size: 18px;
    }
    
    .premium_service_description {
        font-size: 13px;
    }
    
    .premium_service_image {
        flex: none;
        width: 100%;
    }
}

/* ===== 섹션 4: 멤버쉽 특전 ===== */
.premium_section4 {
    background-color: #FFF7EB;
    padding: 80px 0;
    width: 100%;
}

.premium_section4_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.premium_section4_content {
    display: flex;
    flex-direction: column;
}

.premium_section4_header {
    text-align: center;
    margin-bottom: 60px;
}

.premium_section4_title {
    font-size: 40px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 30px;
    line-height: 1.2;
}

/* 4개 서비스 카드 그리드 */
.premium_section4_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    width: 100%;
}

.premium_section4_item {
    position: relative;
    text-align: center;
    overflow: hidden;
}

.premium_section4_image {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 133.33%; /* 3:4 비율 (4/3 * 100) */
    overflow: hidden;
}

.premium_section4_image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.premium_section4_image:hover img {
    transform: scale(1.05);
}

/* 이미지 위 딤드 오버레이 */
.premium_section4_image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.26);
    transition: background 0.3s ease;
}

.premium_section4_image:hover::after {
    background: rgba(0, 0, 0, 0.2);
}

/* 이미지 위 텍스트 오버레이 */
.premium_section4_text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    z-index: 2;
    text-align: left;
}

.premium_section4_item_title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 10px;
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    text-align: left;
}

.premium_section4_item_description {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 1.65;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    text-align: left;
}

/* ===== 반응형 디자인 - 섹션 4 ===== */

/* 1. 데스크탑 (1200px 이상) - 기본 스타일 */
@media (min-width: 1200px) {
    .premium_section4 {
        padding: 100px 0;
    }
    
    .premium_section4_title {
        font-size: 40px;
    }
    
    .premium_section4_grid {
        gap: 0;
    }
    
    .premium_section4_image {
        padding-bottom: 133.33%; /* 3:4 비율 */
    }
    
    .premium_section4_text {
        padding: 30px 28px;
        text-align: left;
    }
    
    .premium_section4_item_title {
        font-size: 24px;
    }
    
    .premium_section4_item_description {
        font-size: 18px;
    }
}

/* 2. 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .premium_section4 {
        padding: 80px 0;
    }
    
    .premium_section4_title {
        font-size: 36px;
    }
    
    .premium_section4_grid {
        gap: 0;
    }
    
    .premium_section4_image {
        padding-bottom: 133.33%; /* 3:4 비율 */
    }
    
    .premium_section4_text {
        padding: 25px 15px;
        text-align: left;
    }
    
    .premium_section4_item_title {
        font-size: 21px;
    }
    
    .premium_section4_item_description {
        font-size: 15px;
    }
}

/* 3. 모바일 (480px ~ 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .premium_section4 {
        padding: 60px 0;
    }
    
    .premium_section4_container {
        padding: 0 15px;
    }
    
    .premium_section4_header {
        margin-bottom: 40px;
    }
    
    .premium_section4_title {
        font-size: 33px;
    }
    
    /* 모바일: 2x2 그리드 */
    .premium_section4_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0;
    }
    
    .premium_section4_image {
        padding-bottom: 75%; /* 2:1.5 비율 */
    }
    
    .premium_section4_text {
        padding: 40px 20px;
        text-align: left;
    }
    
    .premium_section4_item_title {
        font-size: 19px;
    }
    
    .premium_section4_item_description {
        font-size: 14px;
    }
}

/* 4. 작은 모바일 (480px 이하) */
@media (max-width: 479px) {
    .premium_section4 {
        padding: 50px 0;
    }
    
    .premium_section4_container {
        padding: 0 15px;
    }
    
    .premium_section4_header {
        margin-bottom: 30px;
    }
    
    .premium_section4_title {
        font-size: 30px;
    }
    
    /* 작은 모바일: 1열 그리드 */
    .premium_section4_grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .premium_section4_image {
        padding-bottom: 50%; /* 2:1 비율 */
    }
    
    .premium_section4_text {
        padding: 40px 20px;
        text-align: left;
    }
    
    .premium_section4_item_title {
        font-size: 18px;
    }
    
    .premium_section4_item_description {
        font-size: 13px;
    }
}

/* ===== 섹션 5: 프라이빗 파티와 제주 썸투어 ===== */
.premium_section5 {
    background-color: #48403E;
    padding: 80px 0;
    width: 100%;
}

.premium_section5_container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.premium_section5_content {
    display: flex;
    flex-direction: column;
}

.premium_section5_header {
    text-align: center;
    margin-bottom: 60px;
}

.premium_section5_brand {
    font-size: 18px;
    color: #D4AF5F;
    margin-bottom: 20px;
    font-weight: 700;
}

.premium_section5_title {
    font-size: 40px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 30px;
    line-height: 1.2;
}

/* 3개 이미지 카드 그리드 */
.premium_section5_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    width: 100%;
}

.premium_section5_item {
    position: relative;
    text-align: center;
    overflow: hidden;
}

.premium_section5_image {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 115%; /* 4:4.6 비율 (4.6/4 * 100) */
    overflow: hidden;
}

.premium_section5_image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.premium_section5_image:hover img {
    transform: scale(1.05);
}

/* 이미지 위 딤드 오버레이 */
.premium_section5_image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.26);
    transition: background 0.3s ease;
}

.premium_section5_image:hover::after {
    background: rgba(0, 0, 0, 0.2);
}

/* 이미지 위 텍스트 오버레이 */
.premium_section5_text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 30px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    z-index: 2;
    text-align: left;
}

.premium_section5_item_title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0;
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* ===== 반응형 디자인 - 섹션 5 ===== */

/* 1. 데스크탑 (1200px 이상) - 기본 스타일 */
@media (min-width: 1200px) {
    .premium_section5 {
        padding: 100px 0;
    }
    
    .premium_section5_brand {
        font-size: 18px;
    }
    
    .premium_section5_title {
        font-size: 40px;
    }
    
    .premium_section5_grid {
        gap: 0;
    }
    
    .premium_section5_image {
        padding-bottom: 115%; /* 4:4.6 비율 */
    }
    
    .premium_section5_text {
        padding: 40px 40px;
    }
    
    .premium_section5_item_title {
        font-size: 24px;
    }
}

/* 2. 태블릿 (768px ~ 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .premium_section5 {
        padding: 80px 0;
    }
    
    .premium_section5_brand {
        font-size: 16px;
    }
    
    .premium_section5_title {
        font-size: 36px;
    }
    
    .premium_section5_grid {
        gap: 0;
    }
    
    .premium_section5_image {
        padding-bottom: 115%; /* 4:4.6 비율 */
    }
    
    .premium_section5_text {
        padding: 35px 35px;
    }
    
    .premium_section5_item_title {
        font-size: 21px;
    }
}

/* 3. 모바일 (480px ~ 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    .premium_section5 {
        padding: 60px 0;
    }
    
    .premium_section5_container {
        padding: 0 15px;
    }
    
    .premium_section5_header {
        margin-bottom: 40px;
    }
    
    .premium_section5_brand {
        font-size: 15px;
    }
    
    .premium_section5_title {
        font-size: 33px;
    }
    
    .premium_section5_grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .premium_section5_image {
        padding-bottom: 47.06%; /* 3.4:1.6 비율 (1.6/3.4 * 100) */
    }
    
    .premium_section5_text {
        padding: 25px 25px;
    }
    
    .premium_section5_item_title {
        font-size: 21px;
    }
}

/* 4. 작은 모바일 (480px 이하) */
@media (max-width: 479px) {
    .premium_section5 {
        padding: 50px 0;
    }
    
    .premium_section5_container {
        padding: 0 15px;
    }
    
    .premium_section5_header {
        margin-bottom: 30px;
    }
    
    .premium_section5_brand {
        font-size: 13px;
    }
    
    .premium_section5_title {
        font-size: 30px;
    }
    
    .premium_section5_grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .premium_section5_image {
        padding-bottom: 47.06%; /* 3.4:1.6 비율 (1.6/3.4 * 100) */
    }
    
    .premium_section5_text {
        padding: 20px 20px;
    }
    
    .premium_section5_item_title {
        font-size: 18px;
    }
}