.gnb_btn a {
    color: white;
    transition: color .3s;
}
.gnb_box .on a {
    font-weight: 700;
    color: var(--primary-orange);
    transform: translateY(3px);
}
.gnb_box .on {
    border-bottom: 5px solid var(--primary-orange);
    transition: all 0.3s ease-in;
}
.scrolled .gnb_box .on {
    border-bottom: 5px solid var(--primary-orange);
}
/* === SECTION 01 === */
.section01--lunchbox {
    background-image: url("../public/images/lunchbox/lunchbox-visu.jpg");
}

/*  === SECTION 02 === */
.container {
    display: flex;
    flex-direction: column;
    gap: 240px;
    padding: 80px 0;
}

.lunch_group {
    display: flex;
    gap: 80px;
}

.heat_box,
.salad_box {
    width: 50%;
    height: 400px;
    overflow: hidden;
    display: flex;
    gap: 10px;
    flex-direction: column;
}

.lunch_img {
    width: 50%;
    position: relative;
}

.lunch_img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: lunchCrossfade 8s ease-in-out infinite;
    z-index: 2;
}

.lunch_img img:nth-child(1) {
    animation-delay: 0s;
}

.lunch_img img:nth-child(2) {
    animation-delay: 3s;
}

.lunch_img img:nth-child(3) {
    animation-delay: 6s;
}

.lunch_img img:nth-child(4) {
    animation-delay: 9s;
}

@keyframes lunchCrossfade {
    0% {
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    40% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}

.lunch_group {
    position: relative;
}

.ring {
    position: absolute;
    top: -160px;
    left: -210px;
    z-index: 1;
    animation: lunchRing 8s linear infinite;
    ;
}

@keyframes lunchRing {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.ring img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: scale(0.6);
}

.box_title {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
}

.box_title span {
    font-family: 'HakgyoansimB';
    color: var(--primary-orange);
}

.box_tit {
    font-family: 'HakgyoansimB';
    font-size: 40px;
}

.box_tag {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.tag01 {
    background-color: #FF511720;
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 700;
    color: var(--primary-orange);
}

.tag02 {
    border: 1px solid var(--primary-brown);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 700;
    color: var(--primary-brown);
    box-sizing: border-box;
}

.price {
    font-size: 28px;
    font-weight: 600;
}

#explain_btn {
    display: none;
}

.explain01,
.explain02 {
    transition: opacity .5s ease, transform .5s ease;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    color: var(--primary-brown);
}

.explain_wrap {
    position: relative;
    overflow: hidden;
    height: 180px;
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}

.box_icon {
    width: 30px;
}

/* 초기 상태 */
.explain01 {
    opacity: 1;
    transform: translateX(0);
}

.explain01 p {
    font-size: 20px;
    line-height: 150%;
}

.explain01 span {
    font-weight: 700;
}

.explain02 {
    opacity: 0;
    transform: translateX(50px);
    pointer-events: none;
}

.explain02 img {
    height: 150px;
}

#explain_btn:checked~.explain_wrap .explain01 {
    opacity: 0;
    transform: translateX(-50px);
    pointer-events: none;
}

#explain_btn:checked~.explain_wrap .explain02 {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

#explain_btn:checked~.bar_box .bar {
    transform: translateX(100%);
}

.slide_btn {
    width: 80px;
    height: 80px;
    border: 1px solid var(--primary-brown);
    padding: 20px;
    border-radius: 100px;
    position: relative;
    cursor: pointer;
    transition: all .3s ease;
}

.slide_btn:hover {
    background-color: #00000010;
}

.slide_btn svg {
    position: absolute;
    top: 8px;
    right: -10px;
}

.bar_box {
    width: 80%;
    height: 5px;
    border-radius: 10px;
    background-color: #d6cbcb;
}

.bar {
    width: 50%;
    height: 5px;
    border-radius: 10px;
    background-color: var(--primary-brown);
    transition: all 0.3s ease;
}

.tip {
    color: var(--primary-orange);
    font-weight: 600;
}

/* 풀온다 */
.salad_box .box_tit span {
    color: var(--primary-green);
}

.salad_box .tag01 {
    background-color: #189C3820;
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 700;
    color: var(--primary-green);
}

#explain_btn02 {
    display: none;
}

#explain_btn02:checked~.explain_wrap .explain01 {
    opacity: 0;
    transform: translateX(-50px);
    pointer-events: none;
}

#explain_btn02:checked~.explain_wrap .explain02 {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

#explain_btn02:checked~.bar_box .bar {
    transform: translateX(100%);
}



@media (max-width: 1500px) {

    /* ------------ 로그인용 gnb ------------ */
    /* 모바일 헤더 */
    .menu_btn,
    .close_btn {
        display: block;
    }

    .menu_btn {
        width: 28px;
        height: 28px;
        background-color: white;
        -webkit-mask-image: url("../public/images/icon/fe_bar.svg");
        mask-image: url("../public/images/icon/fe_bar.svg");
    }

    header.scrolled .menu_btn {
        width: 28px;
        height: 28px;
        background-color: white;
        -webkit-mask-image: url("../public/images/icon/fe_bar.svg");
        mask-image: url("../public/images/icon/fe_bar.svg");
    }

    .gnb_box .on {
        border-bottom: 5px solid var(--primary-orange);
        transition: all 0.3s ease-in;
    }
}

@media (max-width: 1337px) {
    .ring {
        top: -42%;
        left: -15.5%;
    }
}
@media (max-width: 1200px) {
    .container {
        width: 90%;
        gap: 200px;
        padding: 80px 50px;
    }
    .lunch_group {
        justify-content: space-between;
        gap: 40px;
    }
    .lunch_img {
    width: 35%;
    }
    .ring {
        width: 45%;
        top: -30%;
        left: -20%;
    }
    .box_tit {
        font-size: 40px;
    }
    .box_tag {
        gap: 6px;
        font-size: 12px;
    }
    .tag01, .tag02 {
        padding: 4px 10px;
        border-radius: 4px;
    }
    .salad_box .tag01 {
        padding: 4px 10px;
        border-radius: 4px;
    }
    .price {
        font-size: 28px;
    }
    .explain_wrap {
        height: 180px;
        margin-top: 20px;
    }
    .explain01 p {
        font-size: 18px;
        line-height: 150%;
    }
    .explain02 img {
        width: 80%;
    }
    .slide_btn {
        width: 70px;
        height: 70px;
        padding: 20px;
        border-radius: 100px;
        margin-left: 70px;
    }
    .slide_btn svg {
        top: 3px;
        right: -16px;
    }
    .bar_box {
        width: 78%;
        height: 5px;
    }
    .bar {
        height: 5px;
    }
}
@media (max-width: 1024px) {
    .container {
        width: 90%;
        gap: 100px;
        padding: 60px 30px;
    }
    .lunch_img {
    width: 35%;
    }
    .ring {
        width: 45%;
        top: -13%;
        left: -18%;
    }
    .heat_box{
        gap: 2px;
    }
    .salad_box{
        gap: 2px;
    }
    .box_tit {
        font-size: 35px;
    }
    .box_tag {
        gap: 6px;
        font-size: 12px;
    }
    .tag01, .tag02 {
        padding: 4px 10px;
    }
    .salad_box .tag01 {
        padding: 4px 10px;
    }
    .price {
        font-size: 24px;
    }
    .explain_wrap {
        height: 170px;
        margin-top: 20px;
    }
    .explain01 p {
        font-size: 16px;
        line-height: 145%;
    }
    .explain02 img {
        width: 79%;
    }
    .slide_btn {
        width: 60px;
        height: 60px;
        padding: 20px;
        margin-left: 90px;
    }
    .slide_btn svg {
        width: 70px;
        top: -2px;
        right: -15px;
    }
    .bar_box {
        width: 78%;
        height: 5px;
    }
    .bar {
        height: 5px;
    }
}
@media (max-width: 850px) {
    .ring {
        width: 45%;
        top: -1%;
        left: -18%;
    }
    .explain_wrap {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        gap: 0;
    }
    .contents {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 14px;                       /* 텍스트/이미지 사이 여백 */
        min-width: 0;
    }
    .slide_btn {
        flex-shrink: 0;
        width: 55px;
        height: 55px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 25px;
    }
    .slide_btn svg {
        width: 60px;
        top: -5px;
        right: -12px;
    }
}
@media (max-width: 650px) {
    .section02{
        padding: 70px 0;
    }
    .section02 .container{
        padding: 0;
    }
    .lunch_group {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2px;
        width: 100%;
    }
    .lunch_img {
        position: relative;
        width: 60%;
        max-width: 360px;
        padding-top: 80%;
    }
    .lunch_img img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    .ring {
        position: absolute;
        top: -40px;
        left: 50%;
        transform: translateX(-50%);
        width: 60%;
        z-index: 2;
    }
    .heat_box,
    .salad_box {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .slide_btn {
        position: absolute;
        top: 140px;
        left: 40%;
        order: 2;   
        width: 55px;
        height: 55px;
        margin: 16px auto 0; 
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .slide_btn svg {
        width: 50px;
        top: -8px;
        left: 7px;
    }
     .explain_wrap {
        order: 3;
        width: 100%;
        height: 270px;
        display: flex;
        align-items: flex-start;  
        justify-content: space-between;
        margin-top: 16px;
    }

    .contents {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .bar_box {
        order: 4;
        width: 78%;
        margin: 16px auto 0;
    }

    .explain02 img{
        width: 100%;
    }
    .box_tit {
        font-size: 28px;
    }
    .box_tag {
        font-size: 10px;
    }
    .tag01, .tag02 {
        padding: 4px 10px;
    }
    .salad_box .tag01 {
        padding: 4px 10px;
    }
    .price {
        font-size: 24px;
    }
}
@media (max-width: 450px) {
    .section01 {
        height: 40vh;
        background-position: top center;
        background-size: cover;
        padding-top: 60px;
    }
    .section02{
        padding: 50px 0;
    }
    .lunch_img {
        width: 70%;
    }
    .ring {
        top: -30px;
        left: 50%;
    }
    .heat_box,
    .salad_box {
        width: 83%;
    }
    .slide_btn {
        top: 150px;
        left: 42%;
    }
     .explain_wrap {
        height: 250px;
    }
    .box_tit {
        font-size: 22px;
    }
    .box_tag {
        font-size: 10px;
    }
    .price {
        font-size: 16px;
    }
    .explain01 p{
        font-size: 15px;
    }
}