/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-main: linear-gradient(180deg, #f5f3ff 0%, #ffffff 100%);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --line-green: #06C755;
    --live-red: #ff0000;
    --title-gradient: linear-gradient(180deg, #ffa500 0%, #ff8c00 100%);
}

html,
body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.main {
    display: flex;
    justify-content: center;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ===== PROFILE SECTION ===== */
.profile-section {
    text-align: center;
    margin-bottom: 1.2rem;
    animation: fadeInUp 0.6s ease;
}

.profile-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 0.6rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

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

.profile-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.profile-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== FEATURE IMAGE ===== */
.image-section {
    margin-bottom: 1.8rem;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.feature-image {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(30, 41, 59, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.6);
    background: #fff;
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-image figcaption {
    padding: 1rem 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    background: linear-gradient(180deg, rgba(245, 243, 255, 0.8) 0%, #ffffff 100%);
}

/* ===== HIGHLIGHTS ===== */
.highlights-section {
    margin-bottom: 1.8rem;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid #ecebff;
    border-radius: 14px;
    padding: 1.1rem 1.25rem;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.08);
}

.feature-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== TIPS ===== */
.tips-section {
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.tips-grid {
    display: grid;
    gap: 1rem;
}

.tip-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #ecebff;
    border-radius: 14px;
    padding: 1.1rem 1.25rem;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.08);
}

.tip-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tip-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== INFO SECTION ===== */
.info-section {
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease 0.2s both;
    background: #f5f3ff;
    border: 1px solid #e9e5ff;
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.08);
}

.info-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
}

.info-section .info-text + .info-text {
    margin-top: 0.75rem;
}

/* ===== VIDEO SECTION ===== */
.video-section {
    margin-bottom: 1.2rem;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.video-container {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.video-content {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== LINE CTA ===== */
.line-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.9rem 1.5rem;
    background: #e9e5ff;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1.2rem;
    animation: fadeInUp 0.6s ease 0.01s both, floatUpDown 0.8s ease-in-out infinite;
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.15);
}

.line-cta:hover {
    animation-play-state: paused;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
    background: #ddd6fe;
}

.line-icon {
    width: 32px;
    height: 32px;
    color: var(--line-green);
    flex-shrink: 0;
}

.line-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding-top: 0.8rem;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.privacy-link {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.privacy-link:hover {
    color: var(--text-primary);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floatUpDown {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 1.5rem 1rem;
    }

    .profile-image {
        width: 110px;
        height: 110px;
    }

    .profile-name {
        font-size: 1.15rem;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .feature-item,
    .tip-card {
        padding: 1rem;
    }

    .line-cta {
        padding: 1rem 1.25rem;
    }

    .line-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .profile-image {
        width: 100px;
        height: 100px;
    }

    .profile-name {
        font-size: 1.1rem;
    }

    .profile-desc {
        font-size: 0.85rem;
    }

    .feature-item h3,
    .tip-card h3 {
        font-size: 0.9rem;
    }

    .feature-item p,
    .tip-card p,
    .feature-image figcaption {
        font-size: 0.8rem;
    }

    .line-text {
        font-size: 0.85rem;
    }
}