/* hikoya-lp.css */
body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: 'Noto Sans JP', sans-serif;
    overflow-x: hidden;
}

/* Background mesh gradient animation */
.lp-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    /* Soft pastel bubbles resembling Nomucom's background */
    background: radial-gradient(circle at 15% 50%, rgba(210, 235, 255, 0.7), transparent 50%),
                radial-gradient(circle at 85% 30%, rgba(255, 225, 235, 0.7), transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(230, 220, 255, 0.7), transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 240, 220, 0.5), transparent 40%);
    background-color: #fcfdfd;
    animation: bgMesh 20s ease-in-out infinite alternate;
}

@keyframes bgMesh {
    0% { background-position: 0% 0%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 50% 100%; }
}

/* Header Logo */
.lp-header {
    position: absolute;
    top: 0;
    width: 100%;
    padding: 30px 0;
    text-align: center;
}

.lp-logo {
    color: #4788b4;
    font-size: 28px;
    font-weight: 900;
    margin: 0;
    letter-spacing: 2px;
}

/* Hero Section */
.lp-main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 80px 20px 40px;
    box-sizing: border-box;
}

.lp-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    width: 100%;
    z-index: 1;
}

/* The Living Orb (AI Hologram Core) */
.lp-orb-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

/* The Core Sphere */
.lp-orb {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    /* Bright glowing plasma effect */
    background: radial-gradient(circle at 30% 30%, #ffffff 0%, #c2e9fb 20%, #4facfe 60%, #00f2fe 100%);
    box-shadow: 0 0 50px rgba(79, 172, 254, 0.6), inset -10px -10px 20px rgba(0,0,0,0.1);
    animation: pulseCore 4s ease-in-out infinite alternate;
    cursor: pointer;
    position: relative;
    z-index: 10;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.lp-orb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 80px rgba(79, 172, 254, 0.9), inset -10px -10px 20px rgba(0,0,0,0.1);
}

.lp-orb:active {
    transform: scale(0.9) !important;
}

/* Data Rings (Orbiting the Core) */
.lp-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(79, 172, 254, 0.2);
    border-top: 2px solid rgba(79, 172, 254, 0.8);
    box-sizing: border-box;
    pointer-events: none;
}

.lp-ring-1 {
    width: 270px;
    height: 270px;
    animation: spinRing 10s linear infinite;
}

.lp-ring-2 {
    width: 320px;
    height: 320px;
    border: 1px solid rgba(139, 92, 246, 0.1);
    border-right: 2px solid rgba(139, 92, 246, 0.6);
    animation: spinRingReverse 15s linear infinite;
}

.lp-ring-3 {
    width: 230px;
    height: 230px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 2px solid rgba(255, 255, 255, 0.8);
    animation: spinRingTilt 8s linear infinite;
}

@keyframes pulseCore {
    0% { transform: scale(0.95); box-shadow: 0 0 30px rgba(79, 172, 254, 0.4), inset -10px -10px 20px rgba(0,0,0,0.1); }
    100% { transform: scale(1.05); box-shadow: 0 0 70px rgba(79, 172, 254, 0.8), 0 0 120px rgba(0, 242, 254, 0.4), inset -10px -10px 20px rgba(0,0,0,0.1); }
}

@keyframes spinRing {
    0% { transform: rotateX(60deg) rotateY(10deg) rotateZ(0deg); }
    100% { transform: rotateX(60deg) rotateY(10deg) rotateZ(360deg); }
}

@keyframes spinRingReverse {
    0% { transform: rotateX(50deg) rotateY(-20deg) rotateZ(360deg); }
    100% { transform: rotateX(50deg) rotateY(-20deg) rotateZ(0deg); }
}

@keyframes spinRingTilt {
    0% { transform: rotateX(70deg) rotateY(40deg) rotateZ(0deg); }
    100% { transform: rotateX(70deg) rotateY(40deg) rotateZ(360deg); }
}

/* Titles */
.lp-title {
    margin-bottom: 10px;
}
.lp-title h2 {
    font-size: 56px;
    font-weight: 900;
    margin: 0;
    color: #1e293b;
    letter-spacing: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.lp-ai-text {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 50%, #4facfe 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 64px;
    margin-left: 5px;
    animation: shineText 3s linear infinite;
}
@keyframes shineText {
    to { background-position: 200% center; }
}
.lp-title p {
    font-size: 14px;
    color: #666;
    margin: 0;
    font-weight: bold;
    letter-spacing: 2px;
}

.lp-subtitle {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.lp-disclaimer {
    font-size: 11px;
    color: #888;
    margin-bottom: 40px;
    line-height: 1.6;
}
.lp-disclaimer a {
    color: #4facfe;
    text-decoration: none;
    margin: 0 5px;
}

/* Action Buttons */
.lp-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.lp-btn {
    padding: 16px 32px;
    border-radius: 30px;
    border: none;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(91, 98, 255, 0.2);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    background: #5b62ff; /* Nomucom style purple/blue */
    min-width: 200px;
}

.lp-btn:hover {
    transform: translateY(-2px) scale(1.02) scaleX(1.01) scaleY(0.99);
    box-shadow: 0 8px 25px rgba(91, 98, 255, 0.4);
    background: #4c53ef;
}

.lp-btn:active {
    /* PCでもクリック時に少し潰れるぷにぷに感 */
    transform: scale(0.95) scaleX(1.05) scaleY(0.9) !important;
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.lp-btn-free {
    background: transparent;
    border: none;
    color: #666;
    font-size: 13px;
    cursor: pointer;
    line-height: 1.8;
    transition: color 0.2s;
}
.lp-btn-free:hover {
    color: #333;
}
.lp-btn-free span {
    font-size: 10px;
    display: block;
    margin-top: 5px;
    color: #aaa;
}

@media (max-width: 768px) {
    .lp-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
    }
    .lp-btn {
        width: 100%;
    }
    .lp-title h2 {
        font-size: 32px;
    }
    .lp-ai-text {
        font-size: 38px;
    }
    .lp-subtitle {
        font-size: 18px;
    }
}

/* ======== 特設LP用 追加セクション ======== */
.lp-section {
    padding: 100px 20px;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 2;
}

/* 交互の背景色を削除し、常に美しいアニメーション背景を透けさせる */
.lp-section:nth-child(even) {
    background: transparent;
}

.lp-section-inner {
    max-width: 900px;
    width: 100%;
}

/* セクションタイトルをプレミアムなグラデーションに */
.lp-section-title {
    text-align: center;
    font-size: 38px;
    font-weight: 900;
    margin-bottom: 60px;
    letter-spacing: 3px;
    color: #1e293b;
    /* うっすらとした輝きを付与 */
    text-shadow: 0 2px 10px rgba(255,255,255,0.8);
}

/* --- 特徴セクション --- */
.lp-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 35px;
}

.lp-feature-card {
    /* 完全なグラスモーフィズム */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.9);
    border-left: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05), inset 0 0 20px rgba(255,255,255,0.5);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

/* カードのホバー時にAIコアと同じ青い輝きを放つ */
.lp-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(79, 172, 254, 0.15), inset 0 0 30px rgba(255,255,255,0.8);
    border-color: rgba(79, 172, 254, 0.4);
}

.lp-feature-icon {
    font-size: 54px;
    margin-bottom: 25px;
    /* アイコン（絵文字）にもドロップシャドウで立体感を */
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1));
}

.lp-feature-card h3 {
    font-size: 22px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 15px;
}

.lp-feature-card p {
    font-size: 15px;
    color: #475569;
    line-height: 1.7;
    font-weight: 500;
}

/* --- ユースケースセクション --- */
.lp-usecase-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.lp-usecase-item {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.3) 100%);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 25px 35px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 左側のアクセントラインを細く光るネオンに変更 */
.lp-usecase-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #4facfe, #00f2fe);
    opacity: 0.5;
    transition: opacity 0.3s ease, width 0.3s ease;
}

.lp-usecase-item:hover {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.6) 100%);
    transform: translateX(10px) scale(1.02);
    box-shadow: 0 15px 35px rgba(79, 172, 254, 0.2);
    border-color: rgba(79, 172, 254, 0.5);
}

.lp-usecase-item:hover::before {
    opacity: 1;
    width: 6px;
}

.lp-usecase-item:hover .lp-usecase-arrow {
    transform: translateX(5px);
    color: #4facfe;
}

.lp-usecase-q {
    font-weight: 800;
    font-size: 17px;
    color: #1e293b;
}

.lp-usecase-arrow {
    font-weight: 900;
    color: #94a3b8;
    font-size: 15px;
    transition: all 0.3s ease;
}

/* --- 社長メッセージセクション --- */
.lp-message-content {
    display: flex;
    gap: 50px;
    align-items: center;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    padding: 50px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-top: 1px solid rgba(255, 255, 255, 1);
    border-left: 1px solid rgba(255, 255, 255, 1);
    box-shadow: 0 25px 50px rgba(0,0,0,0.05), inset 0 0 20px rgba(255,255,255,0.4);
}

.lp-message-image {
    flex-shrink: 0;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    overflow: hidden;
    /* 近未来的な光るリングを画像にも付与 */
    border: 4px solid #fff;
    box-shadow: 0 0 0 4px rgba(79, 172, 254, 0.2), 0 15px 35px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.lp-message-content:hover .lp-message-image {
    transform: scale(1.05) rotate(-2deg);
    box-shadow: 0 0 0 4px rgba(79, 172, 254, 0.5), 0 20px 40px rgba(79, 172, 254, 0.2);
}

.lp-message-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lp-message-text {
    flex: 1;
}

.lp-message-lead {
    font-size: 24px;
    font-weight: 900;
    /* TOP画と同じサイバーなグラデーションテキスト */
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.lp-message-text p {
    font-size: 16px;
    line-height: 1.9;
    color: #334155;
    margin-bottom: 18px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .lp-section { padding: 60px 15px; }
    .lp-section-title { font-size: 28px; margin-bottom: 40px; }
    .lp-message-content { flex-direction: column; text-align: center; padding: 40px 25px; }
    .lp-message-lead { font-size: 20px; }
    .lp-usecase-item { flex-direction: column; align-items: flex-start; gap: 15px; padding: 20px; }
    .lp-usecase-arrow { align-self: flex-end; }
}