@charset "UTF-8";

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

body {
      font-family: "Baloo 2", cursive;
  background: radial-gradient(circle at top, #2b2b2b, #000);
  color: #ff66b3;
  padding: 2rem;
}

h1 {
      text-align: center;
  color: #ff99cc;
  text-shadow: 2px 2px 4px #000;
  margin-bottom: 1.5rem;
  font-size: 2.3rem;
  letter-spacing: 2px;
}

.tab-container {
  max-width: 600px;
  margin: auto;
}

.tab-buttons {
    display: flex;
    /* これによってリスト要素を横に並べている */
  justify-content: center;
  list-style: none;
  padding: 0;
  gap: 2rem;
}

.tab-button {
  margin-right: 0.25rem;
  border-top-right-radius: 0.5rem;
  border-top-left-radius: 0.5rem;
  position: relative;
  z-index: 2;
  border-bottom: none;
  color: #ffcce6;
  padding: 0.6rem 1.2rem;
  border-radius: 20px 20px 0 0;
  font-weight: bold;
  cursor: pointer;
    /* タブのところにマウスを持っていくと指の形になる */
  transition: 0.3s ease;
}

.tab-button:hover {
  background: linear-gradient(145deg, #fa82fa, #f97ef9);
  transform: translateY(-1px);
}

.tab-button.active {
     background: #fde1fd;
  border: 3px double #ff6bb5;
  color: #ff7abd;
  box-shadow: 0 0 12px #ff66b3;
  border-bottom: none;
  margin-bottom: -2px;
}

.tab-content {
  display: none;
  padding: 1.5rem;
   background: rgba(16, 14, 16, 0.8);
  border: 5px double #ff99cc;
  border-top-left-radius: 0.3rem;
   border-top-right-radius: 0.3rem;
  min-height: 200px;
  border-bottom-right-radius: 0.3rem;
  border-bottom-left-radius: 0.3rem;
  position: relative;
  z-index: 1;
  align-items: center; /* 横方向の中央揃え */
  justify-content: center; /* 縦方向の中央揃え（高さがあるときに有効） */
}
.tab-content img {
  display: block;
  margin: 1rem auto;
  border: 0px solid #ff99cc00;
}

.tab-content.active {
  display: block;
}

footer {
  text-align: center;
  color: #ff99cc;
  margin-top: 2rem;
  font-size: 0.9rem;
}