html {
    scroll-behavior: smooth;
}

@media screen and (max-width:750px) {
    .is_pc {
        display: none;
    }
}
@media screen and (min-width:751px) {
    .is_sp {
        display: none;
    }
}

/* top_image ******************/

.top_image {
    max-width: 100%;
    height: 35vw;
}
.top_image_large {
    height: 100%;
}
.top_image .left_col {
    width: 64%;
}
.top_image .right_col {
    width: 36%;
}
.top_image_image .gradation {
    position: relative;
}
.top_image_image .gradation::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    display: block;
    background-image: linear-gradient(to top, rgba(0, 0, 0, 0) 70%, rgba(0, 0, 0, 0.5));
    top: 0;
    left: 0;
}
.top_image_image .gradation.under::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    display: block;
    background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0) 60%, rgba(0, 0, 0, 0.6));
}      
.top_image_large_text, 
.top_image_middle_top_text, 
.top_image_middle_bottom_text {
    position: absolute;
    color: #fff;
    top: 1.2vw;
    left: 2vw;
    font-size: 2.4rem;
    line-height: 1.6;
}
.under .top_image_middle_top_text, 
.under .top_image_middle_bottom_text {
    position: absolute;
    color: #fff;
    top: 78%;
    left: 1.6vw;
    font-size: 2.3rem;
    line-height: 1.6;
}
.top_image_middle_top {
    margin-bottom: 6px;
}
.stretched_link::after{
    position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:auto;content:"";background-color:rgba(0,0,0,0)
}

@media screen and (min-width: 750px) {
    .top_image_middle_top, 
    .top_image_middle_bottom {
        height: 100%;
    } 
    .top_image .title {
        font-size: 2vw;
        line-height: 1.4;
    }
}

@media screen and (max-width: 750px) {
    .top_image {
        height: 100%;
    }
    .top_image_large img {
        height: 100%;
    }
    .top_image .left_col {
        width: 100%;
    }
    .top_image .right_col {
        width: 100%;
        display: flex;
    }
    .top_image .top_image_middle_top,
    .top_image .top_image_middle_bottom {
        padding: 0;
        width: 50%;
    }
    .top_image_large_text,
    .top_image_middle_top_text, 
    .top_image_middle_bottom_text {
    font-size: 4vw;
    top: 1.1rem;
    left: 1.3rem;
    line-height: 1.4;
    }
    .under .top_image_middle_top_text, 
    .under .top_image_middle_bottom_text {
    font-size: 4vw;
    bottom: 10%;
    left: 1.3rem;
    line-height: 1.4;
    }
}
/******************/

.main_title {
    width: 95%;
}
.main_title h1 {
    margin: 1rem 0 1rem;
}
.audi_list {
    width: 95%;
    margin: 0 auto 18rem;
}
.audi_list h2 {
    margin-bottom: 1rem;
}
.audi_list ul.show_area {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 10rem;
}
.audi_list ul.show_area li {
    width: calc(95%/6);
    margin-right: 1%;
}
.audi_list ul.show_area li:nth-child(6n) {
    margin-right: 0;
}
.audi_list .category {
    margin-bottom: 1.2rem;
}
.model_name {
    font-family: 'AudiTypeExtendBold', 'DFHSBold';
    font-size: 1.5rem;
    margin-top: 10px;
    line-height: 1.4;
    color: #000;
}

@media screen and (max-width: 750px) {
    .main_title {
        width: calc((650px/2) + (650 - (650/2))*(100vw - 375px)/(750 - 375));
    }
    .main_title h1 {
        margin: 1rem 0 1rem;
    }
    .audi_list {
        width: 94%;
        margin: 0 auto 12rem;
    }
    .audi_list ul.show_area {
        flex-wrap: wrap;
        margin-bottom: 5rem;
    }
    .audi_list ul.show_area li {
        font-size: calc((30px/2) + (30 - (30/2))*(100vw - 375px)/(750 - 375));
        width: calc(96%/2);
        margin-right: 4%;
    }
    .audi_list ul.show_area li:nth-child(2n) {
        margin-right: 0;
    }
    .audi_list ul.show_area li img {
        width: 100%;
    }
    .model_name {
        font-size: 1.4rem;
        margin: 8px 0 40px;
        line-height: 1.3;
    }
}

.pattern_btn {
    width: 320px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.6rem;
    font-family: AudiType, Verdana, Helvetica, Arial, DFHS, sans-serif;
    color: #000;
    border: 1px solid #000;
}
.pattern_center {
    margin: 130px auto 0;
}
@media (max-width: 750px) {
    .pattern_btn {
        width: calc(100% - 40px);
        height: 50px;
        font-size: 1.4rem;
    }
    .pattern_center {
        margin: 50px auto 0;
    }
}
.modalOpen:hover {
    opacity: .7;
}