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

:root {
    --bg-color: #0f172a;
    --text-main: #f8fafc;
    --text-sub: #cbd5e1;
    /* 以前の会話の文脈に基づく、プレミアム感のあるアクセント（機械的なシャープさと情熱のオレンジ） */
    --accent: #f97316;
    --accent-glow: rgba(249, 115, 22, 0.3);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

body {
    font-family: 'Outfit', 'Noto Sans JP', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(249, 115, 22, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(56, 189, 248, 0.05), transparent 25%);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ヒーローセクション */
.hero {
    min-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
}

.hero-content {
    z-index: 2;
    max-width: 900px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero h1 span {
    background: linear-gradient(90deg, #f97316, #fcd34d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-sub);
    margin-bottom: 3rem;
}

/* ボタン共通 */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.primary-btn {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
    border: 1px solid rgba(255,255,255,0.1);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(249, 115, 22, 0.5);
    background: #ea580c;
}

/* セクション共通 */
section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 4rem;
    font-weight: 800;
}

/* グリッドレイアウト（グラスモーフィズムカード） */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s;
    display: flex;
    flex-direction: column;
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(249, 115, 22, 0.4);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.glass-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.glass-card p {
    color: var(--text-sub);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.target-tag {
    display: inline-block;
    background: rgba(255,255,255,0.05);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.8rem;
    color: #94a3b8;
    border: 1px solid var(--glass-border);
}

/* Why Us セクション */
.why-us {
    padding: 4rem 2rem;
}

.glass-panel {
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(249, 115, 22, 0.5), transparent);
}

.glass-panel h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.glass-panel p {
    color: var(--text-sub);
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* CTA セクション */
.cta-section {
    text-align: center;
    padding: 8rem 2rem;
}

.cta-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2.5rem 0;
    flex-wrap: wrap;
}

.cta-benefits span {
    background: rgba(249, 115, 22, 0.1);
    color: #fbd38d;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    border: 1px solid rgba(249, 115, 22, 0.2);
}

/* フッター */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--glass-border);
    color: #64748b;
    font-size: 0.9rem;
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(249, 115, 22, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
}

.pulse-anim {
    animation: pulse 2s infinite;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .glass-panel { padding: 2rem; }
}