/* 全体共通 */
body {
    margin: 0;
    font-family: 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    background-color: #fff;
    color: #333;
}

a {
    color: white; /* 通常は白文字 */
    text-decoration: none;
}

a.mail-link {
        color: blue; /* メールリンクだけ青色 */
        text-decoration: underline;
}

ul {
    list-style: none;
    padding: 0;
}

/* ヘッダー・メインビジュアル */
.main-visual {
    padding-top: 80px; /* ナビゲーションの高さ */
    height: 100vh;
    background: url('bg-image.jpg') no-repeat center center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo { /*トップヘッダーの為*/
    font-size: 1.2rem;
    font-weight: bold;
    color: black;
}

    .navbar ul {
        display: flex;
        gap: 20px;
    }

    .navbar a {
        font-weight: bold;
        color: white; /* 白文字に設定 */
        transition: 0.3s;
    }

        .navbar a:hover {
            text-decoration: underline;
        }

/* 会社名：縦書き風 */
.company-name {
    display: flex;
    flex-direction: column;
    font-size: 4rem; /* PC表示用文字サイズ */
    color: white;
    animation: fadeIn 3s ease-in-out forwards;
    opacity: 0;
}

    .company-name span {
        display: block;
        margin: 2px 0;
    }

/* アニメーション */
@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* セクション共通 */
.section {
    padding: 80px 20px;
    max-width: 960px;
    margin: auto;
}

    .section h2 {
        font-size: 2rem;
        margin-bottom: 20px;
        border-bottom: 2px solid #333;
        display: inline-block;
    }

/* コンセプト画像 */
.concept-images {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

    .concept-images img {
        width: 100%;
        max-width: 400px;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

/* 会社概要 */
.overview ul li {
    margin-bottom: 10px;
}

/* レスポンシブ対応 */
@media screen and (max-width: 768px) {
    .company-name {
        font-size: 3rem;
    }

    .navbar ul {
        flex-direction: column;
        gap: 10px;
        background: rgba(0, 0, 0, 0.6);
        padding: 10px;
        border-radius: 8px;
    }

    .concept-images {
        flex-direction: column;
    }

        .concept-images img {
            width: 100%;
        }
}

/* 問い合わせフォーム */
.contact-form form {
    max-width: 600px;
    margin: auto;
    display: flex;
    flex-direction: column;
    color: black;
}

.contact-form input {
    width: 100%;
    font-size: 1.1rem;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    color: black;
    box-sizing: border-box;
}

.contact-form textarea {
    width: 100%;
    height: 300px; /* 拡大 */
    font-size: 1.1rem;
    line-height: 1.6;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    color: black;
    resize: vertical;
    box-sizing: border-box;
    background-color: #f9f9f9;
}

.contact-form button {
    background-color: #333;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
}

    .contact-form button:hover {
        background-color: #555;
    }


.hamburger {
    font-size: 2rem;
    cursor: pointer;
    color: black;
    z-index: 999;
}

/*ハンガーメニュー用*/
.mobile-menu {
    position: absolute;
    top: 60px;
    right: 30px;
    background-color: rgba(0,0,0,0.9);
    padding: 20px;
    border-radius: 10px;
    display: none;
    flex-direction: column;
    z-index: 999;
}

    .mobile-menu ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .mobile-menu li {
        margin-bottom: 15px;
    }

    .mobile-menu a {
        color: white;
        font-weight: bold;
        font-size: 1.2rem;
    }

    /*物件情報のボタンデザイン*/
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #333;
    color: white;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 10px;
    transition: background-color 0.3s;
}

    .btn:hover {
        background-color: #555;
    }

/*.LINE img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}*/


/*物件情報の画像サイズ*/
.property-images {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

    .property-images img {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        flex: 1 1 calc(50% - 20px); /* 2列レイアウトにする */
        box-sizing: border-box;
    }

@media screen and (max-width: 768px) {
    .property-images img {
        flex: 1 1 100%; /* スマホでは1列表示 */
    }
}