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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
}



























section {
    margin: 20px 0;
    padding: 20px;
}

#about, #projects, #contact {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}

.project {
    margin-bottom: 15px;
}

















.center-text {
    font-size: 4rem;
    font-weight: bold;
    color: #333; /* 文字色を設定 */
    text-align: center;
    animation: fadeInOut 3s infinite; /* アニメーションを適用 */
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}