* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    max-width: 400px;
    width: 100%;
    background: #B4EA5E;
    border-radius: 20px;
    padding: 20px;
    position: relative;
    box-shadow: 0 10px 30px rgba(131, 111, 111, 0.2);
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.decorative-border {
    border: 3px solid #B4EA5E;
    border-radius: 15px;
    padding: 25px;
    position: relative;
    background: white;
    margin-bottom: 20px;
}

.decorative-border::before,
.decorative-border::after {
    content: '';
    position: absolute;
    top: 10px;
    width: 100px;
    height: 2px;
    background: repeating-linear-gradient(
        to right,
        #B4EA5E 0px,
        #B4EA5E 8px,
        transparent 8px,
        transparent 16px
    );
}

.decorative-border::before {
    left: 15px;
}

.decorative-border::after {
    right: 15px;
    top: auto;
    bottom: 10px;
}

.profile-section {
    text-align: center;
    margin-bottom: 25px;
}

.profile-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 15px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80" viewBox="0 0 80 80"><circle cx="40" cy="40" r="40" fill="%23ddd"/><circle cx="40" cy="30" r="12" fill="%23999"/><path d="M20 65 Q40 50 60 65" fill="%23999"/></svg>') center/cover;
    border: 3px solid #B4EA5E;
}

.name {
    font-size: 22px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.description {
    color: #555;
    line-height: 1.6;
    font-size: 14px;
    margin-bottom: 20px;
}

.highlight-text {
    color: #e74c3c;
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 10px;
}

.cta-section {
    text-align: center;
    margin: 25px 0;
}

.cta-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.cta-subtitle {
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

.notice-box {
    background: #fff9c4;
    border: 1px solid #f1c40f;
    border-radius: 8px;
    padding: 12px;
    font-size: 12px;
    color: #333;
    line-height: 1.4;
    margin: 20px 0;
}

.notice-label {
    color: #e74c3c;
    font-weight: bold;
}

.arrow {
    text-align: center;
    margin: 20px 0;
    position: relative;
}

.arrow::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-top: 35px solid #e74c3c;
    display: inline-block;
    filter: drop-shadow(0 3px 6px rgba(0,0,0,0.2));
}

.line-button {
    background: #06c755;
    color: white;
    border: none;
    border-radius: 25px;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: bold;
    width: 100%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(6, 199, 85, 0.3);
    text-decoration: none;
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 94% {
        transform: scale(1);
    }
    97% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
    }
}

.line-button:hover {
    background: #05b050;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 199, 85, 0.4);
    animation-play-state: paused;
}

.line-icon {
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #06c755;
    font-size: 14px;
}

.footer {
    text-align: center;
    margin-top: 30px;
    font-size: 12px;
    color: #666;
    line-height: 1.5;
}

.footer a {
    color: #e74c3c;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.side-decorations {
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 100px;
    background: repeating-linear-gradient(
        to bottom,
        #7cbf91 0px,
        #7cbf91 6px,
        transparent 6px,
        transparent 12px
    );
}

.side-decorations.right {
    left: auto;
    right: -10px;
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .decorative-border {
        padding: 20px;
    }
}