/* リセット＆ベース */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Noto Sans", sans-serif; color: #333; line-height: 1.6; background: #f9f9f9; }
.container { width: 90%; max-width: 800px; margin: 0 auto; padding: 40px 0; }
h1 { margin-bottom: 30px; font-size: 2rem; text-align: center; }

/* レイアウト */
.contact-wrapper { display: flex; flex-direction: column; gap: 40px; }

/* フォームスタイル */
.contact-form {
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.contact-form label {
  display: block;
  margin-bottom: 15px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 8px 12px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}
.contact-form textarea { resize: vertical; }
.checkbox { display: flex; align-items: center; }
.checkbox input { width: auto; margin-right: 10px; }

.btn-submit {
  display: block;
  width: 100%;
  background: #007acc;
  color: #fff;
  font-size: 1.1rem;
  padding: 14px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s;
  margin-top: 10px;
}
.btn-submit:hover { background: #005fa3; }

/* サイド情報 */
.contact-info {
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  text-align: center;
}
.contact-info h2 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}
.contact-info .tel a {
  color: #007acc;
  font-size: 1.2rem;
  text-decoration: none;
}

/* メディアクエリ：600px以上で横並び */
@media (min-width: 600px) {
  .contact-wrapper { flex-direction: row; gap: 20px; }
  .contact-form, .contact-info { flex: 1 1 0; }
  .contact-info { max-width: 300px; align-self: start; }
}

/* メディアクエリ：900px以上でさらに調整 */
@media (min-width: 900px) {
  .container { max-width: 1000px; padding: 60px 0; }
  h1 { font-size: 2.2rem; }
  .contact-form label { margin-bottom: 20px; }
  .btn-submit { font-size: 1.2rem; }
}