body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  margin: 0;
  padding: 0;
  background-color: #f0f0f0;
  color: #333333;
}

h1 {
  margin-top: 0px;
  margin-bottom: 10px;
}
h2 {
  margin-top: 0px;
  margin-bottom: 10px;
}

.header-image {
  width: 100%;
  height: 320px;
  background-image: url(''); 
  background-color: #333333; 
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  color: #ffffff;
}

.footer-image {
  width: 100%;
  height: 60px;
  background-image: url(''); 
  background-color: #999999; 
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  color: #ffffff;
  margin-top: 30px;
}

.content-container {
  margin: auto;
  width: 93%;
  max-width: 1080px;
}
.text-container {
  box-sizing: border-box;
  margin: 0;
}
.text-container-c {
  box-sizing: border-box;
  margin: 0;
  text-align: center;
}
.logo-space {
  min-width: 166px;
  height: 100px;
}
.logo-space img {
  width: 30%; 
  height: auto;
  transition: transform 0.3s ease;
}
.logo-space:hover img {
  transform: scale(1.1);
}

.main-title {
  font-size: 26px;
  font-weight: bold;
}
.sub-title {
  font-size: 18px;
  font-weight: normal;
}

.container {
  width: 90%; 
  max-width: 1040px;
  min-height: 600px;
  margin: -40px auto 0 auto; 
  background-color: #fff;
  padding: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  position: relative;
  z-index: 1;
}

code {
  font-family: 'Roboto Mono', monospace;
  color: #ffffff;
}

.terminal {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  margin-left: 0;
  margin-right: auto;
  margin-top: 0.5rem;
  max-width: 90%;
}

.terminal-header {
  height: 12px;
  background-color: #2d2d2d;
  padding: 1rem;
  display: flex;
  align-items: left;
  position: relative;
}

.terminal-title {
  position: absolute;
  top: 6px;
  left: 16px;
  font-family: 'Roboto Mono', monospace;
  color: #cccccc;
}

.terminal-body {
  background-color: #1e1e1e;
  padding: 1rem;
}

.prompt {
  color: #00ff00;
}

.copy-button {
  position: absolute;
  right: 10px;
  top: 8px;
  background-color: #444444;
  color: #eeeeee;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.copy-button:hover {
  background-color: #666666;
}