/* AIミライデザイナー - メインスタイルシート */

/* リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* カラー変数 */
:root {
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --primary-green: #059669;
    --secondary-green: #10b981;
    --accent-orange: #f97316;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-light: #e5e7eb;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
}

/* 基本スタイル */
body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic Medium', 'Meiryo', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 120px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* ヒーローセクション */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/top-hero.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    z-index: 1;
}

.hero.corporate::before {
    background-image: url('../images/corporate-hero.jpg');
}

.hero.individual::before {
    background-image: url('../images/individual-hero.jpg');
}

.hero.philosophy::before {
    background-image: url('../images/philosophy-hero.jpg');
}

.hero.expert::before {
    background-image: url('../images/expert-hero.jpg');
}

.hero.contact::before {
    background-image: url('../images/contact-hero.jpg');
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-orange);
    color: white;
}

.btn-primary:hover {
    background: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(249, 115, 22, 0.3);
}

.btn-secondary {
    background: var(--primary-green);
    color: white;
}

.btn-secondary:hover {
    background: #047857;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(5, 150, 105, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: white;
}

/* セクション */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* カード */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-medium);
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.card p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

/* プライシング */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 15px 35px var(--shadow-light);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

.pricing-card.popular {
    border-color: var(--accent-orange);
    transform: scale(1.05);
}

.pricing-card.popular::before {
    content: '人気プラン';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-orange);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px var(--shadow-medium);
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.price-unit {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.features {
    list-style: none;
    margin-bottom: 2rem;
}

.features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 1.5rem;
}

.features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

/* テーブル */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 3rem 0;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-light);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-dark);
}

.comparison-table tr:hover {
    background: var(--bg-light);
}

/* プロフィール */
.profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
    margin: 3rem 0;
}

.profile-image {
    text-align: center;
}

.profile-image img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-blue);
    box-shadow: 0 10px 30px var(--shadow-medium);
}

.profile-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.profile-info .title {
    font-size: 1.125rem;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    font-weight: 600;
}

.profile-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.profile-detail {
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 10px;
}

.profile-detail strong {
    color: var(--text-dark);
    display: block;
    margin-bottom: 0.5rem;
}

/* SNSリンク */
.sns-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
}

.sns-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
}

.sns-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-light);
}

.sns-link.youtube {
    border-color: #ff0000;
    color: #ff0000;
}

.sns-link.youtube:hover {
    background: #ff0000;
    color: white;
}

.sns-link.twitter {
    border-color: #1da1f2;
    color: #1da1f2;
}

.sns-link.twitter:hover {
    background: #1da1f2;
    color: white;
}

.sns-link.note {
    border-color: #41c9b4;
    color: #41c9b4;
}

.sns-link.note:hover {
    background: #41c9b4;
    color: white;
}

.sns-link.line {
    border-color: #00c300;
    color: #00c300;
}

.sns-link.line:hover {
    background: #00c300;
    color: white;
}

/* PoC Sprint料金表示 */
.poc-price {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-medium);
    margin: 0.5rem 0;
}

/* QRコード */
.qr-code {
    text-align: center;
    margin: 2rem 0;
}

.qr-code img {
    width: 200px;
    height: 200px;
    border-radius: 15px;
    box-shadow: 0 10px 25px var(--shadow-light);
}

/* フッター */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-section p {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-company {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-company a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-company a:hover {
    color: var(--primary-blue);
}

.footer-legal {
    margin-top: 0.5rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--primary-blue);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    /* ヘッダーのモバイル対応 */
    .header {
        padding: 0.5rem 0;
    }

    .logo img {
        height: 80px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 5px 15px var(--shadow-light);
        border-top: 1px solid var(--border-light);
        z-index: 999;
    }

    .nav-menu.active {
        display: flex !important;
    }

    .nav-menu li {
        margin: 0;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-light);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        display: block;
        padding: 0.5rem 0;
        font-size: 1.1rem;
    }

    .hamburger {
        display: flex;
    }

    /* ヒーローセクションのモバイル対応 */
    .hero {
        padding-top: 120px; /* ヘッダーの高さ分のパディングを追加 */
        min-height: calc(100vh - 120px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .profile {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .profile-image img {
        width: 200px;
        height: 200px;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem;
    }

    .sns-links {
        flex-wrap: wrap;
    }
}

/* PC表示時のハンバーガーメニューを非表示 */
@media (min-width: 769px) {
    .hamburger {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding-top: 100px; /* より小さなヘッダー高さに対応 */
        min-height: calc(100vh - 100px);
    }

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

    .section-title h2 {
        font-size: 2rem;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .pricing-card.popular {
        transform: none;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}

/* フォーカス状態 */
.btn:focus,
.nav-menu a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* 印刷用スタイル */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
}