h1 {
padding: 40px;
background: #333;
color: #FFF;
}
OBJECT{
  font-size: 20px;
  text-shadow: 4px 4px 4px #aaa;
}

.lside {
  background-color:#b0c4de;
  width:300px;
  height:960px;
  text-align:center;
  float: left;
  font-family: 'Tangerine', serif;
  font-size: 18px;
  text-shadow: 4px 4px 4px #aaa;
  }
  a {
  display: block;
  padding: 16px 20px;
  margin: 6px 12px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  color: #003366;               /* 落ち着いた企業サイトの濃紺 */
  background: linear-gradient(135deg, #ffffff 0%, #e7eef7 100%);
  box-shadow: 0px 1px 3px rgba(0,0,0,0.15);
  transition: all 0.25s ease;
}
  a:hover {
  background: linear-gradient(135deg, #d7e9ff 0%, #bcd7ff 100%);
  color: #002244;
  transform: translateX(4px);
  box-shadow: 0px 3px 6px rgba(0,0,0,0.18);
}

.rside{
  background-color:#e6e6fa;
  width:150px;
  height:960px;
  text-align:center;
  float: left;
}

.container{
        width:960px;
        height: 1000px;
        align-items: center;
        position: relative;
        float: left;
      }
      .container img{
        width:100%;
      }
      p{
        font-size:30px;
        color: #666;
        padding:0;
        margin:0;
      }
      button{
	float: right;
      }

.lside, .container1, .rside {
  float: left;
  white-space: nowrap; /* 折り返し防止 */
}
.wrapper-fixed {
  width: 1410px;          /* 各自の幅合計にあわせる */
  margin: 0 auto;
  overflow: hidden;       /* float解除で崩れ防止 */
  white-space: nowrap;    /* 折り返し防止 */
}


#board-container {
    width: 650px;
    margin: 0 auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

#name, #text {
    width: 95%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 16px;
}

#post-btn {
    padding: 10px 25px;
    font-size: 17px;
    background: #4d79ff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 18px;
}

#post-btn:hover {
    background: #335eff;
}

.post {
    background: #eef3ff;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 12px;
}

.meta {
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
}