body {
    font-family: "Yu Gothic", "游ゴシック", YuGothic, "游ゴシック体", "ヒラギノ角ゴ Pro W3", "メイリオ", sans-serif;
}

a:hover {
    color: initial;
}

#header {
    padding-bottom: 100px;
}

#nav {
    position: fixed;
    width: 100%;
    background: #ffffff;
    z-index: 999999;
}

.ls-none {
    list-style-type: none;
}

.nav-container {
    height: 100px;
}

.nav-item {
    align-self: center;
    list-style-type: none;
}

.nav-item-link {
    color: #222222;
    text-decoration: none;
    display: inline-block;
    padding: 15px 8px;
}

.header-nav-dl-btn {
    background: #215AA1;
    color: #ffffff;
    font-weight: bold;
    padding: 15px 33px;
    border: none;
    border-radius: 4px;
}

#footer {
    background: #EFEFEF;
    padding-top: 34px;
}

.footer-logo-container {
    text-align: center;
}

.footer-log-img {
    max-width: 200px;
    max-height: 53px;
    width: 100%;
}

.footer-nav-item {
    list-style-type: none;
}

.footer-nav-item-link {
    text-decoration: none;
    color: #222222;
}

.hamburger-menu-btn-container, .hamburger-menu-btn {
    width: 54px;
    height: 54px;
}

#hamburger-menu-icon {
    width: 24px;
    height: 2px;
    background: #222;
    display: inline-block;
    border-radius: 8px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all .3s;
}

#hamburger-menu-icon::before, #hamburger-menu-icon::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #222;
    border-radius: 8px;
    transition: all .3s;
}

#hamburger-menu-icon::before {
    top: -8px;
}

#hamburger-menu-icon::after {
    top: 8px;
}

#hamburger-menu-btn:checked + .hamburger-menu-btn > #hamburger-menu-icon {
    background: transparent;
}

#hamburger-menu-btn:checked + .hamburger-menu-btn > #hamburger-menu-icon::before {
    transform: translate(1px, 8px) rotate(45deg);
    background: #D22615;
}

#hamburger-menu-btn:checked + .hamburger-menu-btn > #hamburger-menu-icon::after {
    transform: translate(1px, -8px) rotate(-45deg);
    background: #D22615;
}

#hamburger-menu {
    display: none;
    position: fixed;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    background: #fff;
    opacity: 0;
    transition: opacity .3s;
}

#hamburger-menu.open {
    display: block;
    opacity: 1;
    /*animation: fadeIn .3s ease-in forwards;*/
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: padding .5s;
    padding-top: 20px;
}

.swiper-slide.swiper-slide-active img {
    padding-top: 0;
}

.top-case-container-shadow {
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
}

.top-case-text {
    height: 100px;
    line-height: 24px;
    /*overflow-y: scroll;*/
}

.td-none {
    text-decoration: none;
}

#slide-title-container {
    position: absolute;
    bottom: -42px;
    left: 0;
    background: #FFFFFF;
    width: 100%;
    height: 30%;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
    font-weight: bold;
    z-index: 1;
    text-decoration: none;
    color: #222222;
}

.slide-title-icon {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(0, -50%);
}

#slide-next-btn {
    position: absolute;
    top: 45%;
    right: 24vw;
    z-index: 99;
    cursor: pointer;
}

#slide-prev-btn {
    position: absolute;
    top: 45%;
    left: 24vw;
    z-index: 99;
    cursor: pointer;
}

@media screen and (min-width: 991px) {
    #slide-title-container {
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 30vw;
        height: 30%;
        transform: translate(-50%, 30%);

    }
}

.doc-dl-catalog-img-container {
    max-width: 211px;
    max-height: 299px;
    margin: 0 auto;
}

.download-btn {
    display: inline-block;
    text-decoration: none;
    color: white;
    background: #D22616;
    padding: 18px 42px 18px 18px;
    position: relative;
}

.download-btn:hover {
    color: #FFFFFF;
}

.dl-icon {
    width: 13.5px;
    height: 13.5px;
    position: absolute;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
}

.main-color-blue {
    color: #215AA1 !important;
}

.case-title {
    font-size: 24px;
    line-height: 48px;
    font-weight: bold;
}

.design-issue-container {
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
    padding: 48px 0;
}

.common-link-btn {
    background: #215AA1;
    font-size: 18px;
    color: #FFFFFF !important;
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    box-shadow: 0 3px 6px;
    padding: 32px 0;
}

.external-link-btn {
    background: #FFFFFF;
    font-size: 18px;
    color: #222222 !important;
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    padding: 18px 0;
    border: 1px solid #222222;
}

.solution-top-container {
    background: #D22615;
    color: #FFFFFF;
    font-weight: bold;
    text-align: center;
    font-size: 20px;
    border-radius: 10px;
}

@media screen and (min-width: 991px) {
    .case-title {
        font-size: 32px;
    }

    .common-link-btn {
        font-size: 18px;
    }
}

.header-nav-dl-btn {
    text-decoration: none;
    color: #ffffff;
}

.header-nav-dl-btn:hover {
    color: #ffffff;
}

.btn-contact-bg {
    background: #179300 !important;
}

.main-color-red {
    color: #D22615 !important;
}