/* static/css/mailsms/nav.css */

* {
    box-sizing: border-box;
}

#gnav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: #f1f1f1;
    border-bottom: 1px solid #d9d9d9;
}

#gnav > ul {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
    min-height: 2.5rem;
}

#gnav li {
    min-width: 0;
    flex: 0 0 auto;
    list-style: none;
}

#gnav > ul > li {
    position: relative;
    flex: 0 0 auto;
}

#gnav a {
    display: block;
    padding: 0.5rem 1.4rem;
    color: #013a84;
    text-decoration: none;
    white-space: nowrap;
    text-align: center;
}

#gnav a:hover {
    opacity: 0.7;
}

#gnav .app-title {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 1rem;
    transform: translate(-21rem, -45%);
    z-index: 2;
}

#gnav .app-title .service-title {
    margin: 0;
    font-size: 2em;
    font-weight: 700;
    line-height: 1;
}

#gnav .app-title .service-title a {
    display: block;
    padding: 0;
}

#gnav .app-title svg {
    display: block;
    width: 8rem;
    height: 2.5rem;
}

#gnav .app-title .service-title-text {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

/* 2階メニュー親 */
.gnav-parent > a {
    cursor: pointer;
}

/* 2階メニュー */
.gnav_child {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: calc(100% - 0.1rem);
    left: 50%;
    min-width: 10rem;
    max-width: min(90vw, 16rem);
    margin: 0;
    padding: 0.35rem 0;
    background: #ffffff;
    border: 1px solid #d9deea;
    border-radius: 0.5rem;
    box-shadow: 0 0.25rem 0.75rem rgba(15, 23, 42, 0.12);
    z-index: 1100;
    transform: translateX(-50%) scaleY(0);
    transform-origin: center top;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.gnav_child li {
    width: 100%;
}

.gnav_child a {
    padding: 0.55rem 0.9rem;
    text-align: center;
    white-space: nowrap;
}

.gnav_child a:hover {
    background: #f8fafc;
    opacity: 1;
}

/* PCではホバーで開く */
.gnav-parent:hover .gnav_child {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) scaleY(1);
}

@media (max-width: 600px) {

    #gnav ul {
        min-height: 2.2rem;
    }

    #gnav a {
        padding: 0.35rem 0.35rem;
        font-size: 0.8rem;
        border-right: 1px solid #ccc;
    }

    #gnav > ul > li:last-child > a {
        border-right: none;
    }

    #gnav .app-title {
        font-size: 1rem;
        transform: translate(-13rem, -45%);
    }

    #gnav .app-title a {
        pointer-events: auto;
    }

    #gnav .app-title svg {
        width: 6rem;
        height: 1.8rem;
    }

    #gnav .app-title .service-title-text {
        font-size: 1.8rem;
    }

    .gnav_child {
        top: calc(100% - 0.1rem);
        left: auto;
        right: 0;
        min-width: 8rem;
        max-width: calc(100vw - 1rem);
        transform: scaleY(0);
        transform-origin: right top;
    }

    .gnav-parent:hover .gnav_child {
        visibility: hidden;
        opacity: 0;
        transform: scaleY(0);
    }

    .gnav-parent.is-open .gnav_child {
        visibility: visible;
        opacity: 1;
        transform: scaleY(1);
    }

    .gnav_child a {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
        border-right: none;
    }
}