@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    header {
        height: 70px;
    }
    .logo-egg-box {
        width: 130px;
        display: flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
    }
    .logo-text-default {
        font-size: 1.1rem;
        letter-spacing: -0.5px;
        display: block;
        width: 100%;
        text-align: center;
    }
    .logo-egg-shape {
        width: 40px;
        height: 50px;
        font-size: 0.75rem;
        border-radius: 50% 50% 50% 50% / 60% 60% 40% 40% !important;
    }
    .logo a:active .logo-text-default {
        opacity: 0;
    }
    .logo a:active .logo-egg-shape {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    .nav-links {
        display: none;
    }
    .hero {
        padding: 60px 0;
    }
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.2;
        letter-spacing: -1px;
    }
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: 15px;
        align-items: start;
    }
    .stats {
        padding: 70px 0;
    }
    .stat-item {
        margin-bottom: 30px;
    }
    .stat-item h2 {
        font-size: 3rem;
    }
    .btn-group {
        flex-direction: column;
        gap: 10px;
    }
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 18px 0;
        font-size: 1rem;
        transform: none !important;
    }
    .btn-primary:active {
        transform: scale(0.96) !important;
        background: #e6b800 !important;
    }
    .btn-secondary:active {
        transform: scale(0.96) !important;
        background: #eee !important;
    }
    .service-detail-card {
        flex-direction: column !important;
        padding: 50px 0;
        text-align: left;
    }
    .service-img {
        height: 250px;
        border-radius: 12px;
    }
    .service-info h2 {
        font-size: 1.8rem;
        margin: 15px 0;
    }
    footer {
        padding: 50px 0;
    }
    .footer-info {
        flex-direction: column;
        gap: 40px;
    }
    .info-box {
        min-width: 100%;
    }
    .biz-info p {
        justify-content: flex-start;
    }
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 25px;
        height: 18px;
        cursor: pointer;
        z-index: 1001;
    }
    .menu-toggle .bar {
        height: 2px;
        width: 100%;
        background-color: var(--egg-black);
        transition: 0.3s;
        border-radius: 2px;
    }
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: -100%;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 100px 40px 40px;
        gap: 20px;
        transition: 0.4s ease-in-out;
        border-bottom: 2px solid var(--egg-orange);
        z-index: 1000;
    }
    .nav-links.active {
        top: 0;
    }
    .nav-links a {
        font-size: 1.5rem;
        width: 100%;
    }
    .contact-page .grid-2 {
        display: flex;
        flex-direction: column;
        gap: 60px;
        padding: 40px 0;
    }
    .contact-text {
        text-align: center;
        width: 100%;
    }
    .contact-text h2 {
        font-size: 2.2rem;
        line-height: 1.3;
    }
    .info-list {
        margin-top: 30px;
        display: inline-block;
        text-align: left;
    }
    .contact-form-box {
        width: 100%;
        padding: 30px 20px;
        border-radius: 12px;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    }
    .input-group input,
    .input-group select,
    .input-group textarea {
        font-size: 16px;
        padding: 12px;
    }
    .submit-btn {
        padding: 18px;
        font-size: 1.1rem;
    }
    footer {
        text-align: center;
    }
    .footer-info {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    .info-box {
        width: 100%;
        text-align: center;
    }
    .biz-info p {
        justify-content: center;
        gap: 10px;
    }
    .sns-list-wrapper {
        align-items: center;
        gap: 20px;
        margin-top: 10px;
    }
    .sns-list-item {
        justify-content: center;
        gap: 12px;
    }
    .tag-list {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding-left: 0;
    }
    .tag-list li {
        width: auto;
        font-size: 0.9rem;
        margin: 0;
    }
    .service-img {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 220px;
        background-color: #1a1a1a;
        color: #fff;
        border-radius: 12px;
        margin-top: 25px;
        font-size: 1.1rem;
        font-weight: 500;
        border: none;
    }
    .tag-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
        margin-bottom: 20px;
    }
    .tabs-nav {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 30px;
    }
    .tab-btn {
        width: 100%;
        padding: 15px 10px;
        font-size: 0.9rem;
        background: #fff;
        color: #666;
        border: 1px solid #eee;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        transition: all 0.3s ease;
    }
    .tab-btn.active {
        background: #fff;
        color: var(--egg-orange);
        border: 1px solid var(--egg-orange);
        font-weight: 700;
        box-shadow: 0 4px 12px rgba(255, 165, 0, 0.1);
    }
    .footer-info {
        gap: 30px;
    }
    .info-box.contact-main {
        position: relative;
        padding-bottom: 30px;
    }
    .info-box.contact-main::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 160px;
        height: 1px;
        background-color: rgba(0, 0, 0, 0.1);
    }
    .biz-info {
        display: inline-block;
        text-align: left;
        margin: 0 auto;
    }
    .biz-info p {
        display: flex;
        justify-content: flex-start;
        gap: 15px;
        margin-bottom: 8px;
    }
    .biz-info p b {
        min-width: 65px;
        display: inline-block;
    }
    .sns-box {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .sns-list-wrapper {
        display: inline-flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
        margin: 0 auto;
    }
    .sns-icon {
        width: 28px;
        height: 28px;
    }
    .sns-list-item {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        width: 100%;
        gap: 10px;
    }
    .sns-txt {
        text-align: left;
        font-size: 1.05rem;
        font-weight: 700;
    }
    .mobile-br {
        display: block;
        content: "";
        margin-top: 5px;
    }
    .f-bottom p {
        text-align: center;
        line-height: 1.6;
        font-size: 0.85rem;
    }
    .strategy .grid-3 {
        display: flex !important;
        flex-direction: column !important;
        gap: 20px !important;
    }
    .strategy-card {
        opacity: 1 !important;
        transform: none !important;
        visibility: visible !important;
        transition-delay: 0s !important;
        height: auto !important;
        min-height: 160px !important;
        padding: 35px 20px !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
        overflow: visible !important;
        pointer-events: auto !important;
        -webkit-tap-highlight-color: transparent;
    }
    .strategy-card h3 {
        display: block !important;
        margin: 0 0 10px 0 !important;
        font-size: 1.25rem !important;
        position: relative;
        z-index: 2;
    }
    .strategy-card p {
        display: block !important;
        visibility: visible !important;
        height: auto !important;
        margin: 0 !important;
        font-size: 0.95rem !important;
        line-height: 1.6 !important;
        color: #666 !important;
        position: relative;
        z-index: 2;
    }
    .card-num {
        position: absolute !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        font-size: 5rem !important;
        font-weight: 800 !important;
        opacity: 0.07 !important;
        color: var(--egg-black) !important;
        z-index: 1 !important;
        pointer-events: none;
        line-height: 1 !important;
        opacity: 0 !important;
        visibility: hidden;
    }
    .service-img {
        height: 250px;
        margin-top: 20px;
    }
    .tabs-content {
        text-align: center !important;
        padding: 0 10px !important;
    }
    .service-detail-card {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 30px !important;
    }
    .service-info {
        width: 100% !important;
        text-align: center !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
    }
    .tag-list {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: 10px !important;
        padding: 0 !important;
        list-style: none !important;
    }
    .service-img {
        width: 100% !important;
        max-width: 500px !important;
        margin: 0 auto !important;
    }
    .back-to-top {
        width: 52px;
        height: 68px;
        bottom: 20px;
        right: 20px;
    }
    .hover-state {
        font-size: 0.75rem;
    }
}