/* ================================
   リセット & ベーススタイル
   ================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #F7FBFF;
    overflow-x: hidden;
}

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

/* ================================
   ヘッダー
   ================================ */
.header {
    background: linear-gradient(135deg, #4A90E2 0%, #2E7FD9 100%);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(74, 144, 226, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    color: white;
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 2px;
}

/* ================================
   ヒーローセクション
   ================================ */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #F7FBFF 0%, #E8F4FF 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
    animation: fadeInLeft 1s ease-out;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    color: #2E7FD9;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 20px;
    color: #666;
    font-weight: 500;
}

.hero-image-wrapper {
    flex: 1;
    animation: fadeInRight 1s ease-out;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(74, 144, 226, 0.3);
    transition: transform 0.3s ease;
}

.hero-image:hover {
    transform: scale(1.05);
}

/* 装飾要素 */
.decoration {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.decoration-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #4A90E2, #2E7FD9);
    top: -100px;
    right: -100px;
}

.decoration-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #4A90E2, #2E7FD9);
    bottom: -50px;
    left: -50px;
}

/* ================================
   Aboutセクション
   ================================ */
.about {
    padding: 80px 0;
    background: white;
    position: relative;
}

.section-title {
    font-size: 36px;
    font-weight: 900;
    color: #2E7FD9;
    text-align: center;
    margin-bottom: 40px;
}

.intro-text {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 60px;
    line-height: 1.8;
}

.intro-text p {
    margin-bottom: 10px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.feature-card {
    background: linear-gradient(135deg, #F7FBFF 0%, #E8F4FF 100%);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(74, 144, 226, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    text-align: center;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    color: #2E7FD9;
    margin-bottom: 20px;
    text-align: center;
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    padding: 10px 0 10px 30px;
    position: relative;
    color: #555;
    font-size: 16px;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4A90E2;
    font-weight: bold;
    font-size: 18px;
}

.info-box {
    background: linear-gradient(135deg, #FF8C42 0%, #FF6B35 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(255, 140, 66, 0.3);
}

.info-box p {
    font-size: 18px;
    font-weight: 500;
    margin: 5px 0;
}

.closing-text {
    text-align: center;
    font-size: 20px;
    color: #555;
    font-weight: 500;
    line-height: 1.8;
}

/* ================================
   CTAセクション
   ================================ */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #4A90E2 0%, #2E7FD9 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-title {
    font-size: 32px;
    font-weight: 900;
    color: white;
    margin-bottom: 30px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #FF8C42 0%, #FF6B35 100%);
    color: white;
    padding: 20px 60px;
    font-size: 22px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(255, 140, 66, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 140, 66, 0.5);
}

/* ================================
   フッター
   ================================ */
.footer {
    background: #2E7FD9;
    color: white;
    padding: 30px 0;
    text-align: center;
}

.footer p {
    font-size: 14px;
}

/* ================================
   背景パターン
   ================================ */
.bg-pattern {
    position: fixed;
    pointer-events: none;
    z-index: 0;
    opacity: 0.05;
}

.pattern-dots {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-image: radial-gradient(circle, #4A90E2 2px, transparent 2px);
    background-size: 50px 50px;
}

.pattern-wave {
    width: 100%;
    height: 200px;
    bottom: 0;
    left: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='20' viewBox='0 0 100 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 10 Q 25 0, 50 10 T 100 10' stroke='%234A90E2' fill='none'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
}

/* ================================
   アニメーション
   ================================ */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ================================
   レスポンシブデザイン
   ================================ */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        gap: 40px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

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

    .cta-title {
        font-size: 24px;
    }

    .cta-button {
        padding: 15px 40px;
        font-size: 18px;
    }

    .intro-text {
        font-size: 16px;
    }

    .decoration-1,
    .decoration-2 {
        display: none;
    }
}