.dotgothic16-regular {
    font-family: "DotGothic16", sans-serif;
    font-weight: 400;
    font-style: normal;
}   
  

body {
    font-family: "DotGothic16", sans-serif;
    background: linear-gradient(to top, rgb(206, 236, 255), rgb(198, 198, 254));
    /* background: linear-gradient(135deg, #ff8a8a8a, #ffc186, #bbff87, #87e3ff, #87ffd7, #879dff, #bb87ff); */
    /* background: repeating-linear-gradient(90deg, #c2e4ec, #c2e4ec 20px, #fff 20px, #fff 40px); */
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    color: #333;
    text-align: center;
  }

  .header {
    text-align: center;
    margin-top: 80px;
  }

  .header h1 {
    font-size: 48px;
    color: #4B0082;
    margin-bottom: 20px;
  }

  .home-link {
    display: inline-block;
    padding: 10px 20px;
    margin-bottom: 20px;
    background-color: #9370DB;
    color: #fff;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s ease;
  }

  .home-link:hover {
    background-color: #7B68EE;
  }

  .register-in:hover {
    color: rgb(177, 46, 46);
  }
  
  h2 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #310f4c;
  }
  
  li{
    list-style:none;
  }

  button {
    border: none;
    padding: 5px 10px;
    background-color: mediumslateblue;
    color: white;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9em;
  }
  

  .container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background: repeating-linear-gradient(135deg, #c2e5ec, #c2e5ec 20px, #fff 20px, #fff 40px);
    border-radius: 5px;
    box-shadow: 0 0 4px rgb(90, 225, 255);
  }
  

  .profile-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: #fff;
    padding: 10px 15px;
    border-radius: 12px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    margin-bottom: 20px;
  }
  
  .profile-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 3px rgba(0,0,0,0.1);
  }
  
  .profile-name {
    font-size: 1.2em;
    font-weight: bold;
  }
  
  .friends-box {
    background-color: #fff;
    padding: 15px;
    border-radius: 12px;
    border: 1px solid #ddd;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  }
  
  .friends-box h3 {
    margin-top: 0;
  }
  
  .friends-box ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
  }
  
  .friends-box li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
  }
  
  .friends-box li:last-child {
    border-bottom: none;
  }

  .friend-link {
    text-decoration: none;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 12px;
    transition: background-color 0.2s ease;
  }
  
  .friend-link:hover {
    background-color: #e0eaff;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.1);
  }
  
  .notification-badge {
    display: inline-block;
    background-color: red;
    color: white;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 12px;
    margin-left: 8px;
    vertical-align: middle;
  }

  .block-btn {
    background-color: #c47de6;
    color: white;
    border: none;
    padding: 5px 10px;
    margin-left: 10px;
    border-radius: 8px;
    font-size: 0.9em;
    cursor: pointer;
  }  

  #chat-box {
    background: repeating-linear-gradient(135deg, #c2e5ec, #c2e5ec 20px, #fff 20px, #fff 40px);
    border: 1px solid #ddd;
    border-radius: 10px;
    max-width: 600px;
    margin: 0 auto;
    padding: 10px;
    height: 300px;
    overflow-y: scroll;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  }
  
  .message {
    display: flex;
    align-items: flex-end;
    margin: 10px 0;
  }
  
  .message.other {
    flex-direction: row;
  }
  
  .message.self {
    flex-direction: row-reverse;
  }
  
  .icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 4px rgb(90, 225, 255);
    margin: 0 10px;
  }
  
  .bubble {
    background-color: #e8f0fe;
    padding: 10px 15px;
    border-radius: 15px;
    max-width: 70%;
    word-wrap: break-word;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  }
  
  .message.self .bubble {
    background: #ccf5f5;
    border-radius: 16px 16px 0 16px;
  }
  
  .message.other .bubble {
    background: #e6e6ff;
    border-radius: 16px 16px 16px 0;
  }
  
  .bubble p {
    margin: 0;
  }
  
  .bubble small {
    display: block;
    text-align: right;
    font-size: 0.7em;
    color: #666;
  }

  .send-form {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px; /* 入力欄とボタンの間隔 */
    margin: 20px auto;
    max-width: 400px;
  }
  
  .send-form input[type="text"] {
    flex: 1;
    padding: 10px;
    font-size: 16px;
    border-radius: 8px;
    border: 1px solid #ccc;
  }
  
  .send-btn {
    padding: 10px 16px;
    font-size: 20px;
    border: none;
    background-color: #e0cfff;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s;
  }
  
  .send-btn:hover {
    background-color: #d0bfff;
  }
  

  .chat-form {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 10px;
    flex-wrap: wrap;
    box-sizing: border-box;
  }
  
  .chat-form input[type="text"] {
    flex: 1;
    max-width: 100%;
    min-width: 0;
    padding: 10px;
    font-size: 16px;
    border-radius: 10px;
    border: 2px solid #ccc;
    outline: none;
  }

  #chat-form button {
    width: 48px;
    height: 48px;
    font-size: 20px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(to bottom right, #e0baff, #ccf);
    box-shadow: 2px 2px 5px rgba(0,0,0,0.2);
    cursor: pointer;
  }
  
  /* .chat-form button {
    padding: 10px 16px;
    background-color: #d9b3ff;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .chat-form button:hover {
    background-color: #b380ff;
  } */

  .send-btn {
    padding: 10px 16px;
    background-color: #d9b3ff;
    color: white;
    font-size: 20px;  /* アイコン大きめ */
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .send-btn:hover {
    background-color: #b380ff;
  }
  
  
  /* form#chat-form {
    margin-top: 20px;
    display: flex;
    gap: 10px;
  }
  
  form#chat-form input[type="text"] {
    flex: 1;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
  }
  
  form#chat-form button {
    background-color: #c789f4;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    cursor: pointer;
  }
  
  form#chat-form button:hover {
    background-color: #6bb3e2;
  } */
  
  form input {
    border: 1px solid #b05eeb;
    border-radius: 10px;
    background-color: white;
  }

  form button {
    border-radius: 10px;
    background-color: #c87aff;
    color: #fffafa;
    border: 1px solid #b05eeb;
  }

  form button:hover {
    box-shadow: 0 0 5px #17e4ff;
  }

  .home-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #83acff;
    color: #4a0080;
    font-weight: bold;
    text-decoration: none;
    border-radius: 20px;
    font-size: 16px;
    transition: background-color 0.3s ease;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.2);
  }
  
  .home-btn:hover {
    background-color: #b4c6ff;
  }

  .search-form-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  
  .search-form {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
  }
  
  .search-form input[type="text"] {
    padding: 10px;
    font-size: 16px;
    border-radius: 10px;
    border: 2px solid #cc88ff;
    outline: none;
    width: 200px;
  }
  
  .search-form button {
    padding: 10px 16px;
    font-size: 16px;
    border-radius: 10px;
    background-color: #d9b3ff;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .search-form button:hover {
    background-color: #b380ff;
  }

  .friend-btn {
    padding: 10px 16px;
    background-color: #83ffda;
    color: #004b3d;
    font-weight: bold;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .friend-btn:hover {
    background-color: #b3fff1;
  }
  
  @media screen and (max-width: 600px) {
    body {
      padding: 10px;
    }

    .header h1 {
        font-size: 36px;
    }
  
    h2 {
      font-size: 1.2em;
      text-align: center;
    }
  
    .message {
      flex-direction: column;
      align-items: flex-start;
      max-width: 100%;
    }
  
    .message .bubble {
      font-size: 14px;
      padding: 10px;
      max-width: 90%;
      word-wrap: break-word;
    }
  
    .message .icon {
      width: 32px;
      height: 32px;
      margin-bottom: 5px;
    }
  
    #chat-box {
      height: 60vh;
      padding: 10px;
    }
  
    #chat-form {
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: 8px;
      margin-top: 10px;
      flex-wrap: nowrap;
    }
  
    #chat-form input[type="text"] {
      width: 70%;
      font-size: 14px;
      padding: 10px;
    }
  
    #chat-form button {
      flex-shrink: 0;
      width: 40px;
      height: 40px;
      font-size: 20px;
    }
  
    .home-btn {
      font-size: 14px;
      padding: 8px 16px;
    }

    .search-form {
        flex-direction: column;
      }
    
      .search-form input[type="text"] {
        width: 100%;
        font-size: 14px;
      }
    
      .search-form button {
        width: 100%;
        font-size: 14px;
      }
  }