header .btn_header {
    display: none;
}

#Content {
    height: auto;
    background-image: url(../../../images/UserManual/um-bg.png), linear-gradient(to top left, #F0FDFA, #EFF6FF);
    background-repeat: no-repeat;
    background-position: bottom -1px center;
    background-size: contain;
}

.accesskey {
    position: absolute;
    left: 5px;
    z-index: 0;
}

@media only screen and (min-width: 76.25em) { /*1379以上*/
    .wrapper {
        width: 1000px;
    }
}

h2 {
    font-size: 2.25rem; /* 36px */
    line-height: 2.5rem; /* 40px */
    font-weight: bold;
    color: var(--BlueDark1);
    text-align: center;
    padding-top: 60px;
    padding-bottom: 40px;
}

h3 {
    font-size: 1.75rem; /* 28px */
    line-height: 2.25rem; /* 36px */
    font-weight: bold;
    color: var(--BlueDark1);
    padding-bottom: 20px;
}

h4 {
    font-size: 1.5rem; /* 24px */
    line-height: 2rem; /* 32px */
    font-weight: bold;
    color: var(--PurpleDark1);
    padding-bottom: 20px;
}

p.article-text {
    font-size: 1.125rem; /* 18px */
    line-height: 1.6875rem; /* 27px */
    font-weight: normal;
    color: var(--TextColor);
    padding-bottom: 10px;
}

    p.article-text:last-of-type {
        padding-bottom: 0;
    }

.articleCont {
    width: 100%;
    margin-top: 40px;
}

    .articleCont.pageIntro {
        background-color: #ffffff;
        border-radius: 10px;
        padding: 20px;
        margin-top: 0;
        box-shadow: 0 2px 10px rgba(2, 131, 148, .33);
        box-sizing: border-box;
    }

    .articleCont.funcIntro {
        margin-top: 100px;
        margin-bottom: 100px;
    }

    .articleCont ul {
        margin-left: 1.125rem;
    }

        .articleCont ul li {
            list-style: decimal;
            padding-left: .2rem;
            padding-bottom: 5px;
        }

            .articleCont ul li:last-child {
                padding-bottom: 0;
            }

.imgArea {
    margin-top: 20px;
}

    .imgArea img {
        width: 100%;
    }

.articleCont .funcGuide {
    margin-bottom: 40px;
}

    .articleCont .funcGuide .cardArea {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: start;
        margin: 0;
    }

        .articleCont .funcGuide .cardArea .card {
            width: calc((100% - 40px) / 3);
            max-width: 320px;
            display: block;
            background-color: #ffffff;
            border-radius: 10px;
            padding: 20px;
            margin: 0;
            margin-right: 20px;
            box-shadow: 0 2px 10px rgba(2, 131, 148, .33);
            box-sizing: border-box;
        }

            .articleCont .funcGuide .cardArea .card:last-child {
                margin-right: 0;
            }

    .articleCont .funcGuide p {
        padding: 0;
    }

        .articleCont .funcGuide p.title {
            font-size: 1.25rem;
            line-height: 1.75rem;
            font-weight: bold;
            color: var(--BlueDark2);
            padding: 0;
            padding-bottom: 10px;
            text-align: center;
        }

    .articleCont .funcGuide .swiper-slide {
        width: 100%;
        padding: 20px 20px 5px 20px;
        box-sizing: border-box;
    }

    .articleCont .funcGuide .swiperBlock {
        width: 100%;
        border-radius: 10px;
        padding: 20px;
        margin-top: 20px;
        background-color: #ffffff;
        box-shadow: 0 2px 10px rgba(2, 131, 148, .33);
        box-sizing: border-box;
    }

        .articleCont .funcGuide .swiperBlock .swiper-title {
            width: 100%;
            border-radius: 10px;
            padding: 20px;
            margin-top: 20px;
            background-color: #ffffff;
            box-shadow: 0 2px 10px rgba(2, 131, 148, .33);
            box-sizing: border-box;
        }

    .articleCont .funcGuide .swiper-button-next, .articleCont .funcGuide .swiper-button-prev {
        color: #ffffff;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: 2px solid var(--BlueDark1);
        background-color: var(--BlueDark1);
        box-shadow: 0 2px 10px rgba(0, 0, 0, .33);
        box-sizing: border-box;
    }

        .articleCont .funcGuide .swiper-button-prev::after, .articleCont .funcGuide .swiper-button-next::after {
            font-size: 1.5rem !important;
            font-weight: bold;
        }

        .articleCont .funcGuide .swiper-button-next:hover, .articleCont .funcGuide .swiper-button-prev:hover, .articleCont .funcGuide .swiper-button-next:focus, .articleCont .funcGuide .swiper-button-prev:focus {
            color: var(--BlueDark1);
            background-color: #ffffff;
        }

    .articleCont .funcGuide .swiper-pagination-bullet-active {
        background: var(--BlueDark1);
    }

@media only screen and (max-width: 47.9735em) {
    .wrapper {
        width: calc(100% - 40px);
        margin: 0 20px;
    }

    header .btn_header {
        display: none;
    }

    .articleCont.funcIntro {
        margin-top: 40px;
    }
}

@media only screen and (max-width: 37.5em) {
    #Content {
        background-size: auto;
    }

    .articleCont .funcGuide .cardArea {
        display: block;
    }

    .articleCont .funcGuide .cardArea .card {
        width: 100%;
        max-width: initial;
        margin-right: 0;
        margin-bottom: 20px;
    }

        .articleCont .funcGuide .cardArea .card:last-child {
            margin-bottom: 0;
        }
}

@media only screen and (max-width: 31.25em) {
    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.5rem;
        line-height: 2rem;
    }

    h4 {
        font-size: 1.375rem;
        line-height: 1.75rem;
    }

    p.article-text {
        font-size: 1rem; /* 16px */
        line-height: 1.5rem; /* 24px */
    }

    .articleCont .funcGuide .swiper-slide {
        padding: 10px 10px 5px 10px;
    }

    .swiper-button-prev, .swiper-button-next {
        display: none;
    }
}