* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Helvetica Neue", sans-serif;
}

body {
  background: #ffffff;
  color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

/* 全体 */
.container {
  width: 100%;
  max-width: 420px;
  text-align: center;
  animation: fadeIn 1s ease;
}

/* プロフィール */
.profile img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
  border: 2px solid black;
}

.profile h1 {
  font-size: 22px;
  margin-bottom: 5px;
}

.profile p {
  font-size: 14px;
  color: #555;
}

/* リンク */
.links {
  margin-top: 30px;
}

.links a {
  display: block;
  text-decoration: none;
  color: black;
  border: 2px solid black;
  padding: 12px;
  margin: 10px 0;
  transition: 0.3s;
}

.links a:hover {
  background: black;
  color: white;
}

/* フッター */
.footer {
  margin-top: 30px;
  font-size: 12px;
  color: #777;
}

/* アニメーション */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}