@charset "UTF-8";

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

.header-container {
    box-sizing: border-box;
    height: 65px;
    border-bottom: 1px solid #e6e6e6;
}

.header-container > div {
    height: 100%;
}

.logo-area {
    height: 100%;
}

.header-container img {
    height: 22px !important;
    width: auto !important;
    object-fit: contain;
    display: block;
}

.navigation-links {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 15px;
}

.nav-text {
    color: #333333;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.05em;
    cursor: default;
}

.btn-site-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: rgb(37, 99, 235);
    color: #ffffff;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap !important;
    transition: background-color 0.2s;
}

.btn-site-link:hover {
    background-color: rgb(29, 78, 216);
}

.main-title-container {
    margin-top: 15px;
    margin-bottom: 25px;
}

.main-title-text {
    font-size: 28px;
    font-weight: 700;
    color: #1a2a58;
    line-height: 1.3;
    margin: 0;
}

.main-title-underbar {
    width: 100%;
    height: 2px;
    background-color: #1a2a58;
    margin-top: 14px;
    margin-bottom: 6px;
}

.update-date-text {
    text-align: right;
    font-size: 12px;
    color: #666666;
}

@media (max-width: 639px) {
    .navigation-links {
        margin-left: 10px;
        gap: 0;
    }
    .nav-text {
        font-size: 11px;
        padding-right: 8px;
        white-space: nowrap;
        border-left: 1px solid rgb(209, 213, 219);
        padding-left: 0.375rem;
    }
    .btn-site-link {
        font-size: 11px;
        padding: 4px 8px;
        margin-left: 6px;
    }
    .main-title-text {
        font-size: 22px;
    }
    .main-title-underbar {
        margin-top: 10px;
    }
    .update-date-text {
        font-size: 11px;
    }
}