.main .mv {
    background-image: url('../images/packaging/bg_mv.jpg');
    margin-bottom: 85px;
}
.main .mv.material {
    background-image: url('../images/material/bg_mv.jpg');
}

.main .lead {
    text-align: center;
    margin-bottom: 80px;
}

.main .search-btn {
    margin-bottom: 80px;
}
.main .search-btn a {
    margin: 0 auto;
    max-width: 860px;
    height: 160px;
    padding: 0 70px 0 90px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-image: url('../images/packaging/bg_search.png');
    background-position: left;
    background-size: cover;
    position: relative;
    box-sizing: border-box;
    transition: 0.3s ease;
}
.main .search-btn a:hover {
    opacity: 0.8;
}
.main .search-btn a h3 {
    font-size: 2.5rem;
    color: #fff;
}
.main .search-btn a p {
    font-size: 1.8rem;
    color: #016fc6;
    width: 200px;
    height: 60px;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.main .search-btn a p:before {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translate(0, -50%);
    border: 5px solid transparent;
    border-left: 5px solid #016fc6;
}

.main .tab-link ul {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #016fc6;
}
.main .tab-link li {
    width: 32%;
    display: inline-block;
}
.main .tab-link li a {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 70px;
    padding: 0 5px;
    background-color: #e5f0f9;
    transition: 0.3s ease;
    text-align: center;
}
.main .tab-link li.active a {
    background-color: #016fc6;
    color: #fff;
}
.main .tab-link li a:hover {
    opacity: 0.7;
}

.main .packaging {
    padding: 80px 0;
    text-align: center;
}
.main .packaging h3 {
    font-size: 2.5rem;
    color: #016fc6;
    margin-bottom: 25px;
}
.main .packaging p img {
    height: 14px;
    vertical-align: inherit;
    margin: 0 2px;
}

.main .linkbox {
    margin-bottom: 50px;
}
.main .linkbox .flex {
    justify-content: space-between;
}
.main .linkbox .flex .box {
    width: 23%;
    margin-bottom: 30px;
}
.main .linkbox .flex .box:before {
    content: '';
    display: inline-block;
    width: 15px;
    height: 15px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: translate(0, -50%) rotate(45deg);
    position: absolute;
    left: 50%;
    bottom: 30px;
    z-index: 2;
}
.main .linkbox .flex .box h4 {
    font-size: 1.8rem;
    width: 100%;
    text-align: center;
    font-weight: bold;
}
.main .linkbox .flex .box span {
    font-size: 3rem;
    position: absolute;
    top: 30px;
    left: 30px;
    z-index: 2;
}
.main .linkbox .flex .box span:after {
    content: '';
    height: 66px;
    width: 1px;
    background-color: #fff;
    transform: rotate(45deg);
    display: inline-block;
    position: absolute;
    right: -10px;
    bottom: -25px;
}

.main .aco h4 {
    padding: 15px 0;
    font-size: 2.2rem;
    border-bottom: 1px solid #dadada;
    cursor: pointer;
    margin-bottom: 30px;
    position: relative;
}
.main .aco h4 i {
    position: absolute;
    width: 27px;
    height: 27px;
    right: 20px;
    top: 50%;
    transform: translate(0, -50%);
}
.main .aco h4 i,
.main .aco h4 i:before,
.main .aco h4 i:after {
    content: '';
    display: inline-block;
    transition: all 0.4s;
    box-sizing: border-box;
}
.main .aco h4 i:before,
.main .aco h4 i:after {
    position: absolute;
    top: 8px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #016fc6;
}
.main .aco h4 i:before {
    transform: rotate(0deg);
}
.main .aco h4 i:after {
    transform: rotate(90deg);
}
.main .aco h4 i.active:after {
    transform: rotate(180deg);
}
.main .aco .text-wrap {
    display: none;
    padding-top: 60px;
    margin-bottom: 20px;
}
.main .aco .text-wrap .box {
    padding: 0 140px 40px 35px;
    display: flex;
    justify-content: space-between;
}
.main .aco .text-wrap .box figure {
    width: 50%;
}
.main .aco .text-wrap .box .text {
    width: 43%;
}
.main .aco .text-wrap .box .text h5 {
    font-weight: bold;
    margin-bottom: 10px;
}
.main .aco .text-wrap .box .text .mb40 {
    margin-bottom: 40px;
}
.main .aco .text-wrap .box .text .btn-wrap a {
    margin: 20px 0 0 0;
}
.main .aco .text-wrap .box img {
    transform: scale(1) !important;
}
.main .aco.last {
    padding-bottom: 70px;
}

.main .btn-wrap a {
    color: #fff;
    background-color: #016fc6;
    width: 320px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    transition: 0.3s ease;
}
.main .btn-wrap a:hover {
    opacity: 0.7;
}

@media screen and (max-width: 1119px) {
    .main .lead,
    .main .tab-link,
    .main .packaging,
    .main .linkbox,
    .main .aco {
        padding-right: 20px;
        padding-left: 20px;
    }
    .main .linkbox .flex .box figure {
        height: 25vw;
        min-height: 150px;
    }
    .main .linkbox .flex .box span {
        top: 5px;
        left: 15px;
        font-size: 2.4rem;
    }
    .main .linkbox .flex .box span:after {
        height: 40px;
        right: -2px;
        bottom: -12px;
    }
    .main .linkbox .flex .box h4 {
        width: calc(100% - 10px);
    }
}

@media screen and (max-width: 767px) {
    .main .mv {
        margin-bottom: 50px;
    }
    .main .lead {
        margin-bottom: 50px;
    }
    .main .lead p {
        text-align: left;
        font-size: 1.4rem;
    }
    .main .tab-link li a {
        font-size: 1.2rem;
        line-height: 1.2;
    }
    .main .packaging {
        padding-top: 50px;
        padding-bottom: 50px;
    }
    .main .packaging h3 {
        margin-bottom: 0;
        font-size: 2.1rem;
    }
    .main .packaging p {
        text-align: left;
    }
    .main .linkbox .flex {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .main .linkbox .flex .box {
        width: 100%;
        margin-bottom: 0;
    }
    .main .linkbox .flex .box h4 {
        font-size: 1.6rem;
    }
    .main .linkbox .flex .box:before {
        width: 10px;
        height: 10px;
    }
    .main .linkbox .flex .box figure {
        height: 45vw;
    }
    .main .aco h4 {
        margin-bottom: 20px;
        padding-right: 60px;
        font-size: 1.8rem;
    }
    .main .aco h4 i {
        width: 23px;
        height: 23px;
    }
    .main .aco .text-wrap {
        padding-top: 0;
    }
    .main .aco .text-wrap .box {
        flex-direction: column;
        padding: 0 20px;
        margin-bottom: 30px;
    }
    .main .aco .text-wrap .box:last-child {
        margin-bottom: 0;
    }
    .main .aco .text-wrap .box figure {
        width: 100%;
        margin-bottom: 20px;
    }
    .main .aco .text-wrap .box .text {
        width: 100%;
    }
    .main .aco .text-wrap .box .text h5,
    .main .aco .text-wrap .box .text p {
        font-size: 1.4rem;
    }
    .main .aco.last {
        padding-bottom: 30px;
    }
    .main .search-btn {
        margin-bottom: 50px;
    }
    .main .search-btn a {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 20px 40px;
    }
    .main .search-btn a h3 {
        margin-bottom: 10px;
        font-size: 2.1rem;
    }
    .main .search-btn a p {
        width: 180px;
        height: 50px;
        font-size: 1.4rem;
    }
}