/* メニュートリガー */
.menu-trigger {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 1000;
    cursor: pointer;
    padding: 5px 10px;
    background-color: #270909;
    color: white;
    border-radius: 4px;
    font-size: 16px;
    transition: background-color 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);text-align:center;
}

.menu-trigger:hover {
    background-color: #555;
}

/* オーバーレイメニュー */
.overlay-menu {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: #270909;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    overflow-y: auto;
}

.menu-content {
    width: 100%;
    height: 100%;
    max-width: 1400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 40px 40px;
}

/* メインメニューエリア */
.menu-main-area {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 40px;
}

/* 下部エリア（ロゴ、住所、お問い合わせボタン） */
.menu-bottom-area {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.company-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 500px;
}

.company-logo {
    margin-bottom: 15px;
    max-width: 150px;
    text-align: center;
}

.company-logo img {
    width: 100%;
    height: auto;
}

.company-address {
    color: white;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: center;
}

.contact-button-area {
    text-align: center;
    margin-top: 10px;
}

.contact-button {
    display: inline-block;
    background-color: #FF7A00;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.contact-button:hover {
    background-color: #FF7A00;
}

/* ナビゲーション用スタイル */
.header_nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    width: 100%;
    z-index: 2;
    color: white;
}

.header_nav_list {
    list-style: none;
    margin: 0 20px 20px;
    min-width: 200px;
    opacity: 0;
    transform: translateY(20px);
}

.header_nav_list li {
    margin-bottom: 15px;
}

.header_nav_list a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    transition: color 0.3s;
    display: inline-block;
    padding: 5px 0;
}

.header_nav_list a:hover {
    color: #0088cc;
}

/* レスポンシブ対応 */
@media screen and (max-width: 767px) {
    /* スマホ版のスタイル */
    .menu-content {
        padding: 60px 20px 30px;
    }
    
    .menu-main-area {
        margin-top: 20px;
    }
    
    .header_nav {
        flex-direction: column;
        align-items: center;
    }
    
    .header_nav_list {
        width: 100%;
        text-align: center;
        margin: 0 0 15px;
    }
    
    .company-info {
        width: 100%;
        align-items: center;
    }
    
    .company-logo, 
    .company-address, 
    .contact-button-area {
        text-align: center;
    }
    
    .contact-button {
        width: 80%;
        max-width: 300px;
        text-align: center;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    /* タブレット版のスタイル */
    .header_nav {
        justify-content: center;
    }
    
    .header_nav_list {
        width: 45%;
    }
    
    .company-info {
        width: 70%;
        margin: 0 auto;
    }
}

@media screen and (min-width: 960px) {
    /* PC版のスタイル */
    .menu-content {
        justify-content: flex-start;
    }
    
    .menu-main-area {
        flex-grow: 0;
        margin-top: 40px;
    }
    
    .header_nav {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr; /* 明示的に3列グリッドを作成 */
        gap: 40px; /* 列間のスペース */
        max-width: 1000px;
        margin: 0 auto;
    }
    
    .header_nav_list {
        width: 100%; /* 各列が利用可能な幅を使用 */
        text-align: left;
        margin: 0; /* マージンをリセット */
        padding: 0 20px; /* 内側のパディングを追加 */
    }
    
    .menu-bottom-area {
        margin-top: 60px;
    }
    
    .company-info {
        width: 100%;
        max-width: 600px;
    }
}