/* LP (ランディングページ) 専用スタイル */

.lp-page {
    background-color: #f5f7fa;
}

/* ヒーローセクション */
.hero {
    background-color: #7AB7DD;
    color: white;
    padding: 80px 20px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    max-width: 550px;
    text-align: left;
}

/* ヒーローイラストレーション */
.hero-illustration {
    position: relative;
    width: 320px;
    height: 500px;
    flex-shrink: 0;
}

/* スマホモックアップ */
.phone-mockup {
    width: 280px;
    height: 480px;
    background: linear-gradient(145deg, #2c3e50 0%, #1a252f 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    animation: floatPhone 4s ease-in-out infinite;
}

@keyframes floatPhone {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

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

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 30px;
    padding: 20px 15px;
    overflow: hidden;
}

.app-header-mock {
    height: 40px;
    background-color: #7AB7DD;
    border-radius: 8px;
    margin-bottom: 20px;
}

.app-item {
    height: 50px;
    background: #f0f4f8;
    border-radius: 10px;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
}

.app-item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    background-color: #7AB7DD;
    border-radius: 8px;
    opacity: 0.3;
}

.app-item::after {
    content: '';
    position: absolute;
    left: 55px;
    top: 50%;
    transform: translateY(-50%);
    width: 60%;
    height: 12px;
    background: #ddd;
    border-radius: 6px;
}

.app-item-1 { animation: slideIn 0.6s ease-out 0.2s both; }
.app-item-2 { animation: slideIn 0.6s ease-out 0.4s both; }
.app-item-3 { animation: slideIn 0.6s ease-out 0.6s both; }
.app-item-4 { animation: slideIn 0.6s ease-out 0.8s both; }

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* フローティング要素 */
.floating-element {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.floating-heart {
    top: 60px;
    right: -20px;
    background: #ff6b6b;
    animation: floatElement 3s ease-in-out infinite;
}

.floating-heart::before {
    content: '♥';
    color: white;
}

.floating-check {
    top: 200px;
    left: -30px;
    background: #2ecc71;
    animation: floatElement 3.5s ease-in-out infinite 0.5s;
}

.floating-check::before {
    content: '✓';
    color: white;
    font-weight: bold;
}

.floating-star {
    bottom: 100px;
    right: -10px;
    background: #f39c12;
    animation: floatElement 4s ease-in-out infinite 1s;
}

.floating-star::before {
    content: '★';
    color: white;
}

@keyframes floatElement {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-10px) scale(1.1);
    }
}

.hero-title {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: bold;
}

.hero-subtitle {
    font-size: 28px;
    margin-bottom: 30px;
    line-height: 1.5;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.hero-buttons .btn {
    padding: 18px 40px;
    font-size: 18px;
    border-radius: 50px;
}

.hero-buttons .btn-primary {
    background: white;
    color: #7AB7DD;
    font-weight: bold;
}

.hero-buttons .btn-primary:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* セクション共通 */
section {
    padding: 80px 20px;
}

.section-title {
    font-size: 32px;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.section-description {
    font-size: 18px;
    text-align: center;
    color: #666;
    margin-bottom: 50px;
}

/* 悩みセクション */
.problems {
    background-color: white;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.problem-item {
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 12px;
}

.problem-icon {
    width: 60px;
    height: 60px;
    background-color: #fee;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: #e74c3c;
}

.problem-item p {
    color: #555;
    line-height: 1.8;
}

.problem-item strong {
    color: #e74c3c;
}

/* 解決策セクション */
.solution {
    background-color: #7AB7DD;
    color: white;
    padding: 60px 20px;
}

.solution .section-title {
    color: white;
}

.solution .section-description {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

/* 機能紹介セクション */
.features {
    background-color: #f5f7fa;
}

.feature-card {
    background-color: white;
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.feature-main {
    border-left: 4px solid #7AB7DD;
}

.feature-number {
    width: 50px;
    height: 50px;
    background-color: #7AB7DD;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

.feature-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.feature-list li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #555;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    background-color: #7AB7DD;
    border-radius: 50%;
}

/* 使い方セクション */
.how-to-use {
    background-color: white;
}

.steps {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 20px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 250px;
}

.step-number {
    background-color: #7AB7DD;
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 20px;
}

.step-content h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.step-content p {
    color: #666;
    line-height: 1.6;
}

.step-arrow {
    width: 40px;
    height: 40px;
    position: relative;
    margin-top: 30px;
}

.step-arrow::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: solid #ccc;
    border-width: 0 3px 3px 0;
    padding: 8px;
    transform: rotate(-45deg);
}

/* CTAセクション */
.cta {
    background-color: #7AB7DD;
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.cta-title {
    font-size: 32px;
    margin-bottom: 15px;
}

.cta-description {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta .btn {
    padding: 18px 50px;
    font-size: 18px;
    border-radius: 50px;
    background: white;
    color: #7AB7DD;
    font-weight: bold;
}

.cta .btn:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* LPフッター */
.lp-footer {
    background-color: #333;
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.lp-footer .disclaimer {
    color: #999;
    margin-top: 15px;
    font-size: 12px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hero {
        padding: 60px 20px;
        min-height: auto;
    }

    .hero-inner {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero-illustration {
        width: 240px;
        height: 380px;
        margin-top: 30px;
    }

    .phone-mockup {
        width: 210px;
        height: 360px;
        border-radius: 30px;
        padding: 10px;
    }

    .phone-screen {
        border-radius: 22px;
        padding: 15px 12px;
    }

    .app-header-mock {
        height: 30px;
        margin-bottom: 15px;
    }

    .app-item {
        height: 40px;
        margin-bottom: 10px;
    }

    .floating-element {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .floating-heart {
        top: 40px;
        right: 0;
    }

    .floating-check {
        top: 140px;
        left: -10px;
    }

    .floating-star {
        bottom: 60px;
        right: 0;
    }

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

    .hero-subtitle {
        font-size: 20px;
    }

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

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

    .feature-card {
        flex-direction: column;
        padding: 25px;
    }

    .feature-content h3 {
        font-size: 20px;
    }

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

    .step-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }

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