/* 基本設定 */
body {
    font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
    color: #333;
    background: #ffffff;
    padding-top: 76px;
}

/* ヘッダー */
header {
    background: #a8d8ea;
    border-bottom: 3px solid #89c9e0;
}

.navbar {
    background: #a8d8ea;
}

.navbar-brand {
    font-size: 18px;
    font-weight: bold;
    color: #2c5f7d !important;
}

.navbar-toggler {
    border-color: #2c5f7d;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%232c5f7d' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
    color: #2c5f7d !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #ffffff !important;
}

/* ヒーローセクション */
.hero {
    background: #d4f1f4;
    padding: 120px 20px 80px;
}

.hero h1 {
    color: #2c5f7d;
    margin-bottom: 20px;
}

.hero .tagline {
    font-size: 1.2rem;
    color: #5a9fb8;
    margin-bottom: 15px;
}

.startup-badge {
    display: inline-block;
    background: #ff6b6b;
    color: white;
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: bold;
    margin-top: 10px;
}

/* セクション共通 */
.section-title {
    font-size: 2.5rem;
    color: #2c5f7d;
    text-align: center;
    margin-bottom: 50px;
    font-weight: bold;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #a8d8ea;
}

/* 事業内容 */
.service-card {
    background: #f8fcfd;
    border: 2px solid #d4f1f4;
    border-radius: 8px;
    padding: 30px;
    transition: border-color 0.3s;
}

.service-card:hover {
    border-color: #a8d8ea;
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-card h3 {
    color: #2c5f7d;
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: bold;
}

.service-card p {
    color: #666;
    font-size: 15px;
    margin-bottom: 0;
}

/* 会社概要 */
.company-info {
    background: #ffffff;
    border: 2px solid #d4f1f4;
    border-radius: 8px;
    padding: 40px;
}

.info-row {
    padding: 15px 0;
    border-bottom: 2px solid #e8f8fa;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: bold;
    color: #2c5f7d;
    padding-bottom: 5px;
}

.info-value {
    color: #555;
}

/* お問い合わせフォーム */
.contact-form {
    background: #f8fcfd;
    padding: 40px;
    border: 2px solid #d4f1f4;
    border-radius: 8px;
}

.form-label {
    color: #2c5f7d;
    font-weight: bold;
}

.form-control {
    border: 2px solid #d4f1f4;
    border-radius: 4px;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: #a8d8ea;
    box-shadow: none;
}

.submit-btn {
    background: #5a9fb8 !important;
    border: none !important;
    border-radius: 4px;
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: #4a8fa8 !important;
}

/* フッター */
footer {
    background: #2c5f7d;
    margin-top: 50px;
}

.form-check-input:checked {
    background-color: #5a9fb8;
    border-color: #5a9fb8;
}

.form-check-label a {
    color: #5a9fb8;
}

.form-check-label a:hover {
    color: #4a8fa8;
}

/* ボタンスタイル追加 */
.btn-outline-primary {
    color: #5a9fb8;
    border-color: #5a9fb8;
}

.btn-outline-primary:hover {
    background: #5a9fb8;
    border-color: #5a9fb8;
    color: white;
}

/* レスポンシブ調整 */
@media (max-width: 768px) {
    body {
        padding-top: 66px;
    }

    .hero {
        padding: 80px 20px 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .tagline {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .service-card {
        padding: 20px;
    }

    .company-info {
        padding: 30px 20px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .info-label {
        margin-bottom: 5px;
    }
}