/**
 * Header Portal CSS
 * 全ページ共通ヘッダー・TOPメニューのスタイル
 *
 * 対象要素:
 *   - .mpdp-site-header（ロゴ + キャッチフレーズ）
 *   - .mpdp-top-menu（カテゴリナビゲーション）
 *
 * CSS変数（--portal-*）の定義は astra-maintenance-portal/style.css に依存する。
 */

/* =========================================
   サイトヘッダー（ロゴ + キャッチフレーズ）
   ========================================= */
.mpdp-site-header {
    background: linear-gradient(90deg, #4f74c4 0%, #7fa6e6 18%, #bfdbfe 32%, #dbeafe 50%, #dbeafe 100%);
    padding: 16px 0;
    border-bottom: 1px solid var(--portal-border);
}

.mpdp-site-header__inner {
    display: flex;
    align-items: center;
    gap: 24px;
}

.mpdp-site-header__logo {
    flex-shrink: 0;
}

.mpdp-site-header__logo img,
.mpdp-site-header__logo .custom-logo {
    max-height: 80px;
    width: auto;
    display: block;
}

.mpdp-site-header__logo a {
    display: block;
    text-decoration: none;
}

/* =========================================
   ポータルロゴ（背景透過版デザイン）
   ========================================= */
.portal-logo {
    font-family: 'Noto Sans JP', sans-serif;
}

.portal-logo__content {
    display: flex;
    align-items: center;
    gap: 28px;
}

.portal-logo__text {
    display: flex;
    flex-direction: column;
}

.portal-logo__badge {
    display: inline-block;
    margin-bottom: 2px;
    font-size: 9px;
    background-color: #1e3a8a;
    color: #eab308;
    padding: 1.5px 7px;
    font-weight: 900;
    border-radius: 3px;
    letter-spacing: 0.04em;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.portal-logo__title {
    margin: 0;
    color: #ffffff;
    font-size: 28px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.portal-logo__title-accent {
    color: #eab308;
    text-shadow: 0 0 15px rgba(234, 179, 8, 0.4);
}

.portal-logo__subtitle {
    margin: 2px 0 0 0;
    color: #bae6fd;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.28em;
    opacity: 0.9;
}

.portal-logo__icon {
    width: 44px;
    height: 44px;
    color: #1e40af;
    filter: drop-shadow(0 0 15px rgba(30, 64, 175, 0.3));
    transform: rotate(-12deg);
}

.portal-logo__icon svg {
    width: 100%;
    height: 100%;
}

.mpdp-site-header__title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--portal-ink);
    text-decoration: none;
}

.mpdp-site-header__description {
    flex: 1;
}

.mpdp-site-header__description p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--portal-ink-soft);
}

.mpdp-site-header__search {
    flex-shrink: 0;
    min-width: 280px;
}

.mpdp-search-form {
    display: flex;
    gap: 0;
    position: relative;
}

.mpdp-search-field {
    flex: 1;
    padding: 10px 50px 10px 16px;
    border: 1px solid var(--portal-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast);
}

.mpdp-search-field:focus {
    outline: none;
    border-color: var(--portal-primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.mpdp-search-field::placeholder {
    color: var(--portal-muted);
}

.mpdp-search-submit {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 36px;
    padding: 0;
    background: var(--portal-primary-600);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mpdp-search-submit:hover {
    background: var(--portal-primary-700);
    transform: translateY(-50%) scale(1.05);
}

.mpdp-search-submit:active {
    transform: translateY(-50%) scale(0.95);
}

.mpdp-search-submit svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 768px) {
    .mpdp-site-header {
        padding: 12px 0;
    }

    .mpdp-site-header__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .mpdp-site-header__logo img,
    .mpdp-site-header__logo .custom-logo {
        max-height: 40px;
    }

    .portal-logo__content {
        gap: 16px;
    }

    .portal-logo__badge {
        font-size: 7px;
        padding: 1px 5px;
    }

    .portal-logo__title {
        font-size: 20px;
    }

    .portal-logo__subtitle {
        font-size: 8px;
        letter-spacing: 0.2em;
    }

    .portal-logo__icon {
        width: 32px;
        height: 32px;
    }

    .mpdp-site-header__description p {
        font-size: 0.85rem;
    }

    .mpdp-site-header__search {
        width: 100%;
        min-width: auto;
    }

    .mpdp-search-form {
        width: 100%;
    }
}

/* =========================================
   TOPメニュー
   ========================================= */
.mpdp-top-menu {
    background: #ffffff;
    border-bottom: 2px solid var(--portal-primary-500);
    padding: 0;
}

.mpdp-top-menu__nav {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.mpdp-top-menu__item {
    color: var(--portal-ink);
    text-decoration: none;
    font-weight: 600;
    padding: 12px 20px;
    border-right: 1px solid var(--portal-border);
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    white-space: nowrap;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.18) 0%, rgba(37, 99, 235, 0.22) 100%);
    position: relative;
}

.mpdp-top-menu__item:first-child {
    border-left: 1px solid var(--portal-border);
}

.mpdp-top-menu__item:hover {
    background: var(--portal-primary-50);
    color: var(--portal-primary-700);
}

.mpdp-top-menu__item:active,
.mpdp-top-menu__item.active {
    background: var(--portal-primary-100);
    color: var(--portal-primary-800);
    font-weight: 700;
}

/* トップメニューの右端に置くメルマガCTAスタイル */
.mpdp-top-menu__item--cta {
    margin-left: auto;
    background: linear-gradient(135deg, var(--portal-primary-600), var(--portal-primary-700));
    color: #ffffff;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
}

.mpdp-top-menu__item--cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
    .mpdp-top-menu__item {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
}

@media (max-width: 980px) {
    .mpdp-top-menu__nav {
        justify-content: space-between;
    }

    .mpdp-top-menu__item {
        flex: 1;
        text-align: center;
        padding: 10px 8px;
        font-size: 0.8rem;
        border-right: 1px solid var(--portal-border);
    }

    .mpdp-top-menu__item:last-child {
        border-right: none;
    }
}

@media (max-width: 768px) {
    .mpdp-top-menu__nav {
        flex-direction: column;
        align-items: stretch;
    }

    .mpdp-top-menu__item {
        border-right: none;
        border-bottom: 1px solid var(--portal-border);
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    .mpdp-top-menu__item:first-child {
        border-left: none;
    }

    .mpdp-top-menu__item:last-child {
        border-bottom: none;
    }
}