/* =====================================================
   BLUE HARBOR TOWER みなとみらい
   防災・減災プロジェクト
   ヘッダーデザイン統合CSS ver.2.0
   ===================================================== */


/* 1. 基本フォント・テキスト領域 */

header .site-branding-text {
    font-family: "Noto Sans JP", "Yu Gothic",
                 "Hiragino Kaku Gothic ProN",
                 Meiryo, sans-serif;
}


/* 2. サイトタイトル */

header .site-branding-text .site-title {
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 0.015em;
    line-height: 1.5;
    margin-bottom: 14px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.35);
}

header .site-branding-text .site-title a {
    color: #ffffff;
    text-decoration: none;
}

header .site-branding-text .site-title a:hover {
    color: #e1efff;
}


/* 3. タイトル下のアクセントライン */

header .site-branding-text .site-title::after {
    content: "";
    display: block;
    width: 64px;
    height: 2px;
    margin-top: 10px;
    background-color: #b6d7ff;
}


/* 4. 説明文の非表示を解除 */

header .site-branding-text .site-description.d-none {
    display: block !important;
    color: #e8f1fc;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.75;
    letter-spacing: 0.015em;
    white-space: normal;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}


/* 5. 説明文の1段目 */

header .bht-description-lead {
    display: block;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.7;
}


/* 6. 説明文の2段目 */

header .bht-description-detail {
    display: block;
    margin-top: 7px;
    color: #e8f1fc;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.75;
}


/* =====================================================
   PC表示：992px以上
   ===================================================== */

@media (min-width: 992px) {

    header .site-branding-text {
        width: max-content !important;
        max-width: min(1080px, calc(100vw - 120px)) !important;
    }

    header .site-branding-text .site-title {
        white-space: nowrap;
        font-size: 27px;
    }

    header .site-description.d-none {
        max-width: 1000px;
    }

}


/* =====================================================
   タブレット・スマートフォン：991px以下
   ===================================================== */

@media (max-width: 991px) {

    header .site-branding-text {
        width: 100% !important;
        max-width: 100% !important;
    }

    header .site-branding-text .site-title {
        white-space: normal;
        overflow-wrap: anywhere;
        font-size: clamp(18px, 4vw, 24px);
        line-height: 1.5;
    }

    header .site-description.d-none {
        font-size: 14px;
        line-height: 1.7;
    }

    header .bht-description-lead {
        font-size: 14px;
    }

    header .bht-description-detail {
        font-size: 13px;
        line-height: 1.7;
    }

}


/* =====================================================
   小型スマートフォン：480px以下
   ===================================================== */

@media (max-width: 480px) {

    header .site-branding-text .site-title {
        font-size: 18px;
        letter-spacing: 0;
    }

    header .site-branding-text .site-title::after {
        width: 48px;
        margin-top: 8px;
    }

    header .site-description.d-none {
        font-size: 13px;
        line-height: 1.65;
    }

}