body {
  background: #f0f0f0;
  font-family: Arial, sans-serif;
  padding: 1rem;
}

.app {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 1rem;
  border-radius: 10px;
}

header {
  text-align: center;
  margin-bottom: 1rem;
}

.week-box {
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  cursor: pointer;
  border: 1px solid #ddd;
  transition: background 0.2s;
}

.week-box:hover {
  background: #eee;
}

.week-title {
  font-size: 1.2rem;
  font-weight: bold;
}

.week-status {
  font-size: 0.9rem;
  color: #666;
}

.week-content {
  margin-top: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 10px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-10px);
  transition: max-height 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}

.week-box.opened .week-content {
  max-height: 1000px;
  opacity: 1;
  transform: translateY(0);
}

.previous-week-card {
  background: #fff8ef;
  border: 1px solid #ffd1a9;
  border-left: 4px solid #ff8a3d;
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
  animation: fadeInUp 0.5s ease;
}

.previous-week-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.previous-week-card p {
  margin: 0.3rem 0;
}

.show-button {
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 5px;
  background: #ff8a3d;
  color: white;
  cursor: pointer;
  font-weight: bold;
}

.show-button:hover {
  background: #ff6f19;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.media {
  margin-top: 0.5rem;
  border-radius: 10px;
  overflow: hidden;
}

.map-frame {
  margin-top: 0.5rem;
  border-radius: 10px;
  overflow: hidden;
}

.map-frame iframe {
  width: 100%;
  height: 200px;
  border: 0;
}

.media img,
.media video,
.media audio {
  width: 100%;
  border-radius: 10px;
}

.tags {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  background: #eee;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  font-size: 0.8rem;
}