/* ===========================
   新しいナビゲーションスタイル
   0から作り直し
   =========================== */

/* 新しいナビゲーション */
nav.navbar {
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 64px !important;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
    z-index: 100 !important; /* z-indexを適切な値に変更 */
}

nav.navbar .container {
    max-width: 1400px !important;
    height: 100% !important;
    margin: 0 auto !important;
    padding: 0 24px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
}

/* ロゴエリア */
.navbar-brand {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    flex-shrink: 0 !important;
}

.navbar-brand h1 {
    font-size: 20px !important;
    font-weight: 700 !important;
    color: #0066ff !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1 !important;
}

.navbar-brand .tagline {
    font-size: 12px !important;
    color: #6b7280 !important;
    font-weight: 400 !important;
    white-space: nowrap !important;
}

/* ナビゲーションメニュー */
.navbar-nav {
    display: flex !important;
    align-items: center !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    gap: 24px !important;
    height: 100% !important;
}

.navbar-nav li {
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* リンクスタイル */
.nav-link {
    display: inline-flex !important;
    align-items: center !important;
    text-decoration: none !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    color: #374151 !important;
    transition: all 0.2s ease !important;
    white-space: nowrap !important;
    padding: 8px 16px !important;
    border-radius: 8px !important;
    position: relative !important;
}

/* 通常のリンクホバー */
.nav-link:not(.btn-login):not(.btn-register):not(.btn-contact):hover {
    color: #0066ff !important;
    background: rgba(0, 102, 255, 0.05) !important;
}

/* ボタンスタイル */
.nav-link.btn-login {
    background: #f3f4f6 !important;
    color: #374151 !important;
}

.nav-link.btn-login:hover {
    background: #e5e7eb !important;
    transform: translateY(-1px) !important;
}

.nav-link.btn-register {
    background: #0066ff !important;
    color: white !important;
}

.nav-link.btn-register:hover {
    background: #0052cc !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.25) !important;
}

.nav-link.btn-contact {
    background: #10b981 !important;
    color: white !important;
}

.nav-link.btn-contact:hover {
    background: #059669 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25) !important;
}

/* ハンバーガーメニュー */
.navbar-toggler {
    display: none !important;
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    background: none !important;
    border: none !important;
    cursor: pointer !important;
    position: relative !important;
}

.navbar-toggler span {
    display: block !important;
    position: absolute !important;
    left: 10px !important;
    width: 20px !important;
    height: 2px !important;
    background: #374151 !important;
    transition: all 0.3s ease !important;
}

.navbar-toggler span:nth-child(1) {
    top: 12px !important;
}

.navbar-toggler span:nth-child(2) {
    top: 19px !important;
}

.navbar-toggler span:nth-child(3) {
    top: 26px !important;
}

/* 1200px以下 */
@media (max-width: 1200px) {
    .navbar-nav {
        gap: 16px !important;
    }
    
    .nav-link {
        font-size: 13px !important;
        padding: 6px 12px !important;
    }
    
    .navbar-brand .tagline {
        display: none !important;
    }
}

/* 1024px以下 - タブレット */
@media (max-width: 1024px) {
    .navbar-toggler {
        display: block !important;
    }
    
    .navbar-nav {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        background: white !important;
        flex-direction: column !important;
        padding: 20px !important;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1) !important;
        gap: 8px !important;
        height: auto !important;
    }
    
    .navbar-nav.active {
        display: flex !important;
    }
    
    .navbar-nav li {
        width: 100% !important;
    }
    
    .nav-link {
        width: 100% !important;
        justify-content: center !important;
        padding: 12px 20px !important;
        font-size: 15px !important;
    }
}

/* 768px以下 - モバイル */
@media (max-width: 768px) {
    nav.navbar {
        height: 56px !important;
    }
    
    nav.navbar .container {
        padding: 0 16px !important;
    }
    
    .navbar-brand h1 {
        font-size: 18px !important;
    }
}

/* ヒーローセクション調整 */
.hero {
    margin-top: 64px !important;
}

@media (max-width: 768px) {
    .hero {
        margin-top: 56px !important;
    }
}

/* ハンバーガーアニメーション */
.navbar-toggler.active span:nth-child(1) {
    transform: rotate(45deg) translateY(7px) !important;
}

.navbar-toggler.active span:nth-child(2) {
    opacity: 0 !important;
}

.navbar-toggler.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-7px) !important;
}