body {
    font-family: 'Noto Sans JP', 'Helvetica', sans-serif;
    background-color: #f9f9fb;
    color: #222;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

a {
    color: #1a73e8;
    text-decoration: none;
}
a:hover, a:focus {
    text-decoration: underline;
    outline: none;
}

.title {
    font-size: 1.1em;
    color: #1a365d;
    font-weight: bold;
    display: block;
    background-color: #f0f4ff;
    padding: 8px;
    margin: 8px 0;
    border-radius: 6px;
    text-align: center;
    transition: background-color 0.3s ease;
}
.subtitle {
    font-size: 1.2em;
    color: #3a3a3a;
    text-align: center;
}
.subcaution {
    font-size: 1em;
    color: #d93025;
    text-align: center;
}

.content {
    width: 95%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 20px;
}

.timetable {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    margin: 30px auto;
    background-color: white;
    box-shadow: 0 0 5px rgba(0,0,0,0.05);
}

.timetable a {
  display: inline-block;
  padding: 4px 6px;
  color: #1a73e8;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.timetable a:hover {
  background-color: #e8f0fe;
  color: #174ea6;
  text-decoration: none;
}

.timetable th,
.timetable td {
    border: 1px solid #ccd5e0;
    padding: 10px;
    font-size: 0.9em;
    text-align: center;
    word-wrap: break-word;
}
.timetable th {
    background-color: #e8f0fe;
    color: #1a365d;
    font-weight: bold;
}
.timetable td {
    background-color: #fff;
}

.h_day, .h_room, .h_time_r, .h_time_l,
.cell-n, .cell-r, .cell-row {
    border: 1px solid #ccd5e0;
}

.names_zacho, .names_speaker {
    font-size: 0.9em;
    color: #555;
    background-color: #f0f0f0;
    padding-left: 10px;
}

.sessname a {
    color: #1a365d;
}
.caution {
    color: #d93025;
}
.caution a {
    color: #d93025;
}

.small {
    font-size: 80%;
}

@media (max-width: 768px) {
  .title {
    font-size: 1rem;
    padding: 10px 12px;
  }

  .timetable th,
  .timetable td {
    padding: 6px;
    font-size: 0.85em;
  }

  .content {
    padding: 10px;
  }
}