body {
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #f0f0f0;
  margin: 0;
  padding: 20px;
  min-height: 100vh;
  box-sizing: border-box;
}
h1 {
  margin-top: 0;
  color: #333;
  text-align: center;
}
p.description {
  text-align: center;
  max-width: 900px;
  font-size: 14px;
  color: #444;
  margin-bottom: 20px;
}

/* 言語選択UI用スタイル */
#language-selector {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  padding: 8px 15px;
  background-color: #e8e8e8;
  border-radius: 5px;
  font-size: 14px;
}

#language-selector label {
  margin-right: 8px;
  font-weight: bold;
  color: #444;
}

#lang-select {
  padding: 5px 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background-color: #fff;
  font-size: 13px;
  cursor: pointer;
}

#lang-select:focus {
  outline: none;
  border-color: #66afe9;
  box-shadow: 0 0 5px rgba(102, 175, 233, 0.5);
}

#container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: none;
  padding: 0 20px;
  box-sizing: border-box;
}
#visualization {
  position: relative;
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 650px;
  border: 1px solid #ccc;
  background-color: #fff;
  margin-bottom: 20px;
  overflow: hidden;
  padding: 20px;
  box-sizing: border-box;
  max-width: 100%;
}
#cpu-area {
  width: 25%;
  height: 100%;
  background-color: #ffddd7;
  border: 2px solid #b22222;
  border-radius: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  font-weight: bold;
  color: #333;
  box-sizing: border-box;
}
#components-area {
  width: 65%;
  margin-right: 75px; /* speed-infoの右側へのはみ出しを考慮 */
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  box-sizing: border-box;
}
.component {
  border: 2px solid black;
  padding: 5px;
  text-align: center;
  font-size: 12px;
  font-weight: bold;
  box-sizing: border-box;
  border-radius: 4px;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 160px;
  height: 45px;
  margin: 5px 0;
  position: relative;
  align-self: flex-end; /* 右端に寄せる */
}
#l1 {
  background-color: #ffa500;
  border-color: #cc8400;
}
#l2 {
  background-color: #ffd700;
  border-color: #cca300;
}
#l3 {
  background-color: #ffff00;
  border-color: #cccc00;
  color: #333;
}
#ram {
  background-color: #90ee90;
  border-color: #008000;
  color: #333;
  height: 55px;
}
#ssd {
  background-color: #add8e6;
  border-color: #0000cd;
  color: #333;
  height: 65px;
}
#hdd {
  background-color: #d3d3d3;
  border-color: #696969;
  color: #333;
  height: 65px;
}
.electron {
  position: absolute;
  width: 7px;
  height: 7px;
  background-color: mediumblue; /* 色変更 */
  border-radius: 50%;
  z-index: 50;
  opacity: 0.9;
  transform-origin: center center; /* 座標計算の基準 */
}
#controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
  padding: 15px;
  background-color: #e0e0e0;
  border-radius: 5px;
  width: 90%;
  max-width: 450px;
}
#controls label {
  margin-bottom: 5px;
  font-weight: bold;
}
#speedSlider {
  width: 95%;
  margin-bottom: 10px;
}
#sliderValue {
  font-size: 12px;
  color: #555;
  margin-bottom: 5px;
}
.speed-info {
  position: absolute;
  right: -85px; /* 少し右に移動して視認性を確保 */
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 3px 6px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0.8;
  pointer-events: none;
}
#datasheet {
  position: absolute;
  display: none; /* 初期状態は非表示 */
  background-color: white;
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 10px;
  font-size: 12px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
  z-index: 100; /* 他の要素より手前に表示 */
  max-width: 250px;
  pointer-events: none; /* マウスイベントを透過 */
}
#datasheet h4 {
  margin: 0 0 5px 0;
  font-size: 14px;
  color: #333;
}
#datasheet p {
  margin: 3px 0;
  color: #555;
}

/* スマートフォン向けのスタイル */
@media screen and (max-width: 768px) {
  body {
    padding: 10px;
  }

  h1 {
    font-size: 20px;
    margin-bottom: 10px;
  }

  p.description {
    font-size: 12px;
    margin-bottom: 15px;
  }
  
  /* 言語選択UIのスマホ表示 */
  #language-selector {
    padding: 5px 10px;
    width: 95%;
    justify-content: center;
    font-size: 12px;
  }
  
  #lang-select {
    padding: 3px 5px;
    font-size: 12px;
  }

  #container {
    padding: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
  }

  #visualization {
    min-width: 800px;
    height: 500px !important;
    padding: 10px;
    margin-bottom: 10px;
    position: relative;
  }

  #cpu-area {
    width: 160px;
    position: relative;
    left: 205px;
    top: 50%;
    transform: translateY(-50%);
    min-height: 120px;
    font-size: 14px;
  }

  #components-area {
    width: calc(100% - 200px);
    margin-left: 180px;
    margin-right: 85px;
  }

  /* スマホ表示時の電子のスタイル */
  .electron {
    transform-origin: left center !important; /* 左端を基準に */
  }

  #controls {
    width: 100%;
    padding: 10px;
  }

  #speedSlider {
    width: 100%;
  }

  .speed-info {
    font-size: 9px;
    right: -75px;
  }

  .component {
    width: 140px;
    font-size: 11px;
  }
}