@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&display=swap');
@import url('http://fonts.googleapis.com/earlyaccess/notosansjp.css');

:root {
    --bg: #f6f3ee;
    --text: #2d2a26;
    --primary: #3a3d3b;
    --accent: #e85a4f;
    --accent-light: #f9d3c3;
    --highlight: #ffbc9a;
    --card-bg: #ffffff;
    --border: #d6d1cb;
    --radius: 12px;
    --transition: 0.3s ease;
}

/* ヘッダー共通 */
#nav_container {
    background-color: var(--primary);
    width: 100%;
    max-height: fit-content;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
}

.menu {
    margin: 0;
    padding: 0;
    text-align: center;
    display: flex;
    justify-content: center;
}

#menu-item {
    width: calc(100% / 4);
    padding: 10px;
    list-style: none;
    display: inline-block;
}

.menu-item-text {
    transition: 0.5s;
    font-size: 1.8rem;
    color: var(--card-bg);
    text-decoration: none;
    font-family: 'YakuHanJP_Noto', 'Noto Sans JP', sans-serif;
    font-weight: 700;
    line-height: 1.5;
}

.menu-item-text:hover {
    color: var(--accent);
    font-size: 2.2rem;
}

/* レスポンシブ対応 - 600px以下 */
@media screen and (max-width: 600px) {
    #nav_main_container {
        display: none;
    }

    #btn-menu-container {
        display: block !important;
        position: relative;
        padding: 10px 20px;
        background-color: var(--primary);
        box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    }

    #menu-button {
        border-radius: 16%;
        cursor: pointer;
        background-color: var(--accent);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        margin-left: auto;
        font-family: 'YakuHanJP_Noto', 'Noto Sans JP', sans-serif;
        width: 48px;
        aspect-ratio: 1;
        color: var(--card-bg);
        font-weight: 700;
        user-select: none;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
        transition: background-color var(--transition);
    }

    #menu-button:hover {
        background-color: var(--highlight);
    }

    #btn-menu {
        margin: 0;
        padding: 0;
    }

    .btn-menu-item {
        list-style: none;
        margin: 8px 0;
    }

    .btn-menu-item-text {
        text-decoration: none;
        font-size: 1.4rem;
        color: var(--card-bg);
        font-family: 'YakuHanJP_Noto', 'Noto Sans JP', sans-serif;
        font-weight: 700;
        text-align: right;
        display: block;
        padding: 8px 16px;
        border-radius: var(--radius);
        transition: color 125ms ease, background-color 125ms ease;
    }

    .btn-menu-item-text:hover {
        color: var(--accent);
        background-color: var(--accent-light);
    }
}

/* 非表示初期化 */
#btn-menu-container {
    display: none;
}

#header_group {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 2rem;
    background: var(--bg);
}

/* 選択中のメニューアイテム */
#selected {
    color: var(--accent);
}

/* ブランドバー */
#bland_bar {
    background-color: var(--card-bg);
    padding: 0.5rem 1rem;
    height: auto;
    width: 100%;
    border-top: 1px solid var(--border);
}

#bland_bar p {
    text-align: right;
    font-size: small;
    color: var(--text);
}