.up-fv {
    margin-top: 85px;
    padding: 100px 0;
}
.breadcrumb {
    display: flex;
    font-size: 1.5rem;
    gap: 70px;
}
.breadcrumb .bc-link {
    position: relative;
    color: #7a8192;
}
.breadcrumb .bc-text {
    position: relative;
}
.breadcrumb .bc-text:not(:first-child)::after {
    content: "";
    width: 40px;
    height: 1px;
    background-color: #e4e4e9;
    display: block;
    position: absolute;
    top: 50%;
    left: -55px;
}
.page-title {
    margin-top: 30px;
}
.page-title.center {
    text-align: center;
}
.page-title .title-jp {
    font-size: 4.2rem;
    font-weight: 700;
    letter-spacing: .05em;
}
.page-title .title-jp::first-letter {
    color: #e20c16;
}
.page-title .title-en {
    font-weight: 500;
    color: #b5b5c0;
}

.dots-wrap {
    display: flex;
    justify-content: center;
    gap: 16px;
}
.dots-wrap li {
    width: 8px;
    height: 8px;
    background: #cfcfcf;
    cursor: pointer;
}
.dots-wrap li:hover,
.dots-wrap li.slick-active {
    background: #000;
}
.dots-wrap li button {
    display: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    outline: none;
    padding: 0;
    border: none;
    background-color: transparent;
}

.demo-details {
    padding-bottom: 120px;
}
.demo-details .demo-title {
    text-align: center;
    margin-bottom: 40px;
}
.demo-details .demo-title .demo-title-en {
    font-size: 4rem;
}
.demo-details .demo-title .demo-title-en::first-letter {
    color: #e20c16
}
#demo-slider .demo-image {
    border: solid 2px #000;
    margin: 0 20px;
}
#demo-slider .slide-arrow {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: #fff;
    border: solid 2px #000;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 2;
}
#demo-slider .slide-arrow.prev-arrow {
    left: calc(50% - 350px);
}
#demo-slider .slide-arrow.next-arrow {
    right: calc(50% - 350px);
}
#demo-slider .slide-arrow.prev-arrow::before {
    content: url(../images/common/slider-prev-arrow.svg);
    width: 20px;
    height: 20px;
}
#demo-slider .slide-arrow.next-arrow::before {
    content: url(../images/common/slider-next-arrow.svg);
    width: 20px;
    height: 20px;
}
.demo-details .demo-slider-dots {
    margin-top: 20px;
}

.demo-images-list {
    padding: 60px 0;
}
.demo-images-list .demo-image-list-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.demo-images-list .demo-image-list-wrap .demo-list-image {
    width: calc(20% - 16px);
    border: solid 2px #000;
}

.demo-images-list .up-section-jp-title {
    font-size: 3.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}
.demo-images-list .up-section-jp-title::first-letter {
    color: #e20c16;
}
.demo-details-wrap .demo-details-jp-title {
    font-size: 2.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
}
.demo-details-wrap .demo-details-jp-title::first-letter {
    color: #e20c16;
}
.demo-details-wrap .demo-details-content {
    text-align: center;
}
.demo-details-wrap .demo-details-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.demo-details-wrap .demo-details-content p {
    line-height: 2;
}

/*  RESPONSIVE FOR TABLET AND SP */
@media screen and (max-width: 840px) {
    .up-fv {
        margin-top: 60px;
        padding: 40px 0;
    }
    .breadcrumb {
        font-size: 1.1rem;
        gap: 30px;
    }
    .breadcrumb .bc-text:nth-child(n+1)::after {
        width: 20px;
        left: -25px;
    }
    .page-title {
        margin-top: 20px;
    }
    .page-title .title-jp {
        font-size: 2.6rem;
    }
    .page-title .title-en {
        font-size: 1.3rem;
    }

    #demo-slider .demo-image {
        border: solid 2px #000;
        margin: 0 5px;
    }

    .dots-wrap {
        gap: 10px;
    }
    .dots-wrap li {
        width: 6px;
        height: 6px;
    }

    .demo-details {
        padding-bottom: 60px;
    }
    .demo-details .demo-title .demo-title-jp {
        font-size: 1.2rem;
    }
    .demo-details .demo-title .demo-title-en {
        font-size: 2.4rem;
    }

    .demo-images-list .demo-image-list-wrap {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .demo-images-list .demo-image-list-wrap .demo-list-image {
        width: calc(50% - 5px);
        border: solid 2px #000;
    }

}