body {
  margin: 0;
  background: #f5f5f5;
  color: #222;
  font-family: Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  margin-bottom: 20px;
}

.card {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

label {
  display: block;
  margin-top: 12px;
  margin-bottom: 6px;
  font-weight: bold;
}

input,
textarea,
button {
  width: 100%;
  box-sizing: border-box;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #ddd;
  font-size: 16px;
}

textarea {
  min-height: 90px;
  resize: vertical;
}

button {
  cursor: pointer;
  border: none;
  background: #111;
  color: #fff;
  margin-top: 16px;
}

.row button {
  width: auto;
  margin-top: 0;
}

.message {
  margin-top: 12px;
  min-height: 24px;
}

.item {
  border: 1px solid #eee;
  background: #fafafa;
  border-radius: 12px;
  padding: 14px;
  margin-top: 12px;
}

.item-name {
  font-weight: bold;
  font-size: 18px;
  margin-bottom: 6px;
}

.item-meta {
  color: #666;
  margin-bottom: 6px;
}

@media (max-width: 640px) {
  .wrap {
    padding: 16px;
  }

  .row {
    flex-direction: column;
    align-items: stretch;
  }

  .row button {
    width: 100%;
  }
}