.intro {
    padding: 20px;
    margin-bottom: 30px;
}

h2 {
    color: #4c7437;
    border-left: 5px solid #4c7437;
    padding-left: 15px;
}

.note {
    font-style: italic;
    color: #666;
}

.achievement-group {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.achievement-group h3 {
    color: #4c7437;
    border-bottom: 1px solid #4c7437;
    padding-bottom: 5px;
}

.achievement-group ul {
    list-style-type: none;
    padding-left: 0;
    display: flex;
    flex-wrap: wrap;
}

.achievement-group li {
    background-color: #f0f7ed;
    margin: 5px;
    padding: 5px 10px;
    border-radius: 20px;
}

.keyword-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
}

.keyword-cloud span {
    background-color: #4c7437;
    color: #fff;
    padding: 5px 15px;
    margin: 5px;
    border-radius: 20px;
    font-size: 0.9em;
}

a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .page-title {
        font-size: 1.5em;
    }

    h2 {
        font-size: 1.5em;
    }
    
    .achievement-group ul {
        flex-direction: column;
    }
}