.zip-tool-container {
  max-width: 600px;
  margin: 2rem auto;
  padding: 2rem;
  background: #fff;
  border-radius: 1.5rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  font-family: 'Segoe UI', 'Roboto', sans-serif;
}

.zip-tool-title {
  font-size: 1.6rem;
  font-weight: bold;
  margin-bottom: 1.2rem;
  color: #333;
  text-align: center;
}

.zip-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: #444;
}

input[type="file"],
input[type="text"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #ccc;
  border-radius: 0.75rem;
  font-size: 1rem;
  margin-bottom: 1rem;
  background-color: #fafafa;
}

input[type="radio"] {
  margin-right: 0.5rem;
}

.zip-password-options {
  border: 1px solid #ddd;
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1rem;
  background-color: #f7f7f7;
}

#password-field {
  margin-bottom: 1rem;
}

.zip-submit-btn {
  background-color: #007cba;
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1.1rem;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.zip-submit-btn:hover {
  background-color: #005fa3;
}

.zip-status {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: #006400;
  text-align: center;
}

.zip-tool-note {
  background: #f1f8ff;
  border-left: 4px solid #007cba;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 0.75rem;
  font-size: 0.95rem;
  color: #333;
}

.zip-tool-warning {
  background: #fff4e5;
  border-left: 4px solid #ff9900;
  padding: 1rem;
  margin-bottom: 1.5rem;
  border-radius: 0.75rem;
  font-size: 0.95rem;
  color: #704214;
}

/* タブボタン */
.zip-tool-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.zip-tab-btn {
  background: #f0f0f0;
  border: 1px solid #ccc;
  padding: 0.6rem 1.2rem;
  border-radius: 9999px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.zip-tab-btn.active {
  background: #007cba;
  color: white;
  border-color: #007cba;
}

/* パネル */
.zip-tab-panel {
  display: none;
}
.zip-tab-panel.active,
#zip-create-panel,
#zip-unpack-panel {
  display: block;
}

/* 解凍ファイルリスト */
.unzip-list {
  margin-top: 1rem;
  padding-left: 1.2rem;
  list-style-type: disc;
  font-size: 0.95rem;
}

.unzip-list li {
  margin-bottom: 0.5rem;
}

.download-link {
  text-decoration: none;
  color: #007cba;
  font-weight: 500;
}

.download-link:hover {
  text-decoration: underline;
}

.zip-option {
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: #444;
}
.zip-option label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.zip-tool-warning {
  background: #fff4e5;
  border-left: 4px solid #ff9900;
  padding: 1rem;
  margin-top: 1rem;
  border-radius: 0.75rem;
  font-size: 0.9rem;
  color: #704214;
}