/* 体験型推理ミステリー向けダークテーマCSS */

/* ===== Base (Desktop-first) ===== */
body {
  background-color: #121212; /* 超暗めの背景 */
  color: #c0c0c0;           /* 薄いグレー文字 */
  font-family: 'Georgia', serif;
  line-height: 1.6;
  margin: 0;
  padding: 20px;
}

a {
  color: #6699cc;           /* ミステリアスな青系リンク */
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

a:hover {
  border-bottom: 1px solid #cc6666; /* 赤みのアクセント */
  color: #cc6666;
}

h1, h2, h3, h4 {
  color: #e0e0e0;
  text-shadow: 0 0 5px #222; /* ぼんやりとした影で奥行き */
}

button, .btn {
  background-color: #333;
  border: 1px solid #555;
  color: #ccc;
  padding: 10px 15px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
  font-weight: bold;
  border-radius: 4px;
}

button:hover, .btn:hover {
  background-color: #cc6666;
  color: #121212;
}

button:disabled, .btn:disabled {
  background-color: #222;
  color: #121212;
}

input, textarea {
  background-color: #222;
  border: 1px solid #444;
  color: #ddd;
  padding: 8px;
  border-radius: 3px;
  font-size: 1rem;
  box-sizing: border-box;
}

input:focus, textarea:focus {
  outline: none;
  border-color: #6699cc;
  box-shadow: 0 0 5px #6699cc;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px;
  background-color: #1c1c1c;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0,0,0,0.7);
}

/* ミステリーテーマに合わせた引用や強調 */
blockquote {
  border-left: 4px solid #cc6666;
  margin: 1.5em 10px;
  padding-left: 15px;
  color: #bbb;
  font-style: italic;
  background-color: #222;
  box-shadow: inset 2px 2px 4px rgba(0,0,0,0.5);
}

.bold {
  font-weight: 900;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
}

/* ===== Tablet (<= 900px) ===== */
@media (max-width: 900px) {
  body {
    font-size: 17px;
    line-height: 1.75;
    padding: 16px;
  }

  .container {
    max-width: 680px;
    padding: 22px;
    margin: 0 10px;
  }

  h1 { font-size: clamp(1.6rem, 3vw, 2rem); }
  h2 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
  h3, h4 { font-size: clamp(1.1rem, 2vw, 1.3rem); }

  button, .btn {
    padding: 12px 16px;
    font-size: 1rem;
  }

  input, textarea {
    font-size: 1rem;
    padding: 10px;
  }

  blockquote {
    margin: 1.2em 6px;
    padding-left: 12px;
  }
}

/* ===== Mobile (<= 600px) ===== */
@media (max-width: 600px) {
  body {
    font-size: 16px;
    line-height: 1.8;
    padding: 10px;
  }

  .container {
    max-width: 100%;
    padding: 15px;
    margin: 0 6px;
  }

  /* 見出しはややコンパクトに */
  h1 { font-size: 1.4rem; }
  h2 { font-size: 1.2rem; }
  h3, h4 { font-size: 1.05rem; }

  button, .btn {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
  }

  input, textarea {
    font-size: 1rem;
    padding: 10px;
  }

  blockquote {
    margin: 1em 4px;
    padding-left: 10px;
    font-size: 0.95em;
  }
}

input[type=checkbox] {
  -ms-transform: scale(1.5, 1.5);
  -webkit-transform: scale(1.5, 1.5);
  transform: scale(1.5, 1.5);
    accent-color: #41794b;
}

img,video {
    max-width: 1000px;
    width: auto;
    height: auto;
}

strong{
  color: red;
}