.w-banner {
    padding: 70px 0;
    text-align: center;
    background: url(../image/support/pc.png) no-repeat center center;
    background-size: cover;
    color: #fff;
}

@media screen and (min-width: 768px) and (max-width: 990px) {
    .w-banner {
        background: url(../image/support/ipad.png) no-repeat right center;
        background-size: cover;
    }
}

@media screen and (min-width: 320px) and (max-width: 767px) {
    .w-banner {
        background: url(../image/support/ios.png) no-repeat center center;
        background-size: cover;
    }
}

.w-banner h2 {
    font-size: 34px;
    font-weight: 600;
}

@media screen and (min-width: 320px) and (max-width: 767px) {
    .w-banner h2 {
        font-size: 26px;
    }
}

.w-banner p {
    font-size: 16px;
}

@media screen and (min-width: 320px) and (max-width: 767px) {
    .w-banner p {
        font-size: 14px;
        padding: 0 25px;
    }
}

@media screen and (min-width: 768px) and (max-width: 1024px) {
    .w-banner p {
        font-size: 18px;
        margin: 0 125px;
    }
}

.w-index {
    padding: 50px 0;
    box-sizing: border-box;
    width: 1200px;
    margin: 0 auto;
}

@media screen and (max-width: 1225px) {
    .w-index {
        width: auto;
        margin: 0 30px;
    }
}

@media screen and (min-width: 320px) and (max-width: 767px) {
    .w-index {
        margin: 0 30px;
    }
}

.w-index-h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 25px;
}

@media screen and (min-width: 320px) and (max-width: 767px) {
    .w-index-h2 {
        font-size: 24px;
    }
}

@media screen and (min-width: 768px) and (max-width: 1024px) {
    .w-index-h2 {
        font-size: 23px;
    }
}

.w-index-p {
    width: 100%;
    text-align: left;
    margin-bottom: 5px;
    font-size: 20px;
    font-weight: 500;
    line-height: 28px;
}

.w-index-product {
    margin-top: 50px;
}

.w-index-product-item {
    display: flex;
    flex-wrap: wrap;
    margin-top: 30px;
}

.w-index-product-item-list {
    display: inline-block;
    width: calc(100% / 3);
    margin-top: 10px;
}

@media screen and (min-width: 320px) and (max-width: 767px) {
    .w-index-product-item-empty {
        display: none;
    }

    .w-index-p {
        font-size: 18px;
    }

    .w-index-product-item-list {
        width: calc(100% / 1);
    }
}

@media screen and (min-width: 768px) and (max-width: 1024px) {
    .w-index-product-item-list {
        width: calc(100% / 2);
    }
    .w-index-product-item-empty {
        display: none;
    }
}

.w-index-product-item-list a {
    color: #41abe1;
}

.w-index-product-item-list a:hover {
    text-decoration: underline;
}

.w-index-besides {
    padding: 70px 0 20px;
    font-size: 16px;
}

.w-index-besides a {
    color: #41abe1;
}

.w-index-besides a:hover {
    text-decoration: underline;
}