body {
      background: #e6d5b8;
      color: #2b2926;
      font-family: "Meiryo", "メイリオ", sans-serif;
      font-size: 19px;
      line-height: 1.8;

      max-width: 720px;
      margin: 50px auto;
      padding: 0 24px;
    }

    h1 {
      font-size: 32px;
      font-weight: normal;
      letter-spacing: 0.08em;
      margin-bottom: 5px;
    }

    h2 {
      font-size: 21px;
      font-weight: normal;
      margin-top: 40px;
      border-bottom: 1px solid #444;
      padding-bottom: 4px;
    }

    a {
      color: #7a4d4d;
      text-decoration: underline;
    }

    a:hover {
      color: #fff;
    }

    nav {
      margin: 30px 0;
      line-height: 2;
    }

    nav a {
      margin-right: 18px;
    }

    .small {
      color: #888;
      font-size: 15px;
    }

    .about {
      margin-top: 35px;
      margin-bottom: 45px;
    }

    /* Micro.blog */

    .microblog_timeline {
      margin-top: 20px;
    }

    .microblog_post {
      padding-bottom: 28px;
      margin-bottom: 28px;
      border-bottom: 1px solid #333;
    }

    .microblog_text {
      color: #596148;
      font-size: 19px;
      line-height: 1.8;
    }

    .microblog_text p {
      margin-top: 0;
    }

    .microblog_text img {
      max-width: 100%;
      height: auto;
    }

    .microblog_time {
      color: #9a826d;
      font-size: 14px;
      margin-top: 8px;
    }

    .microblog_time a {
      color: #9a826d;
      text-decoration: none;
    }

a:visited {

  color: #2b2926;

}

/* presence lamp */

.presence {

  display: flex;

  align-items: center;

  gap: 8px;

  margin-top: 10px;

  font-size: 14px;

}

.presence-lamp {

  display: inline-block;

  width: 12px;

  height: 12px;

  border-radius: 50%;

}

/* 3時間以内：点灯 */

.lamp-bright {

  background: #9fbc95;

  box-shadow: 0 0 8px #9fbc95;

  opacity: 0.9;

}

/* 3〜24時間：薄く点灯 */

.lamp-dim {

  background: #b8c8ad;

  box-shadow: 0 0 4px #b8c8ad;

  opacity: 0.5;

}

/* 24時間以上：消灯 */

.lamp-off {

  background: #8d8579;

  box-shadow: none;

  opacity: 0.25;

}


    footer {
      margin-top: 60px;
      border-top: 1px solid #333;
      padding-top: 15px;
      color: #777;
      font-size: 14px;
    }