/* =========================
   基本設定
========================= */
*,
*:before,
*:after {
  box-sizing: border-box;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  background: #eaf4ec;
  margin: 0;
  color: #2f3a2f;
}

/* =========================
   ヘッダー
========================= */
.header,
#head {
  background: #5f9f8f;
  color: #fff;
}

.header-inner,
#head-in {
  max-width: 800px;
  margin: 0 auto;
  padding: 15px;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: 140%;
}

/* =========================
   コンテンツ
========================= */
.container,
#body {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 15px;
}

/* =========================
   カード
========================= */
.form-card {
  background: #fff;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* =========================
   見出し
========================= */
h2 {
  border-left: 6px solid #5f9f8f;
  padding-left: 10px;
  margin: 1.5em 0;
}

/* =========================
   フォーム
========================= */
.form-table {
  width: 100%;
  border-collapse: collapse;
}

.form-table tr {
  border-bottom: 1px solid #eee;
}

.form-table th {
  width: 30%;
  padding: 10px;
  background: #eef6f4;
  text-align: left;
}

.form-table td {
  padding: 10px;
}

/* 入力 */
input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

textarea {
  height: 150px;
}

/* =========================
   ラジオボタン横並び
========================= */
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* =========================
   CAPTCHA
========================= */
.captcha-input {
  width: 120px;
}

/* =========================
   ボタン共通（薄い→浮き上がり）
========================= */
.btn,
.btn-submit,
.btn-reset,
.btn-home {
  display: inline-block;
  padding: 10px 22px;

  border-radius: 10px;
  border: 1px solid #d7e3d2;

  background: #f4f7f2;   /* ←普段は超薄い */
  color: #3a4a3a;

  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;

  cursor: pointer;

  box-shadow: 0 1px 2px rgba(0,0,0,0.05);

  transition: all 0.25s ease;
}

/* =========================
   ホームボタン
========================= */
.btn-home:hover {
  background: linear-gradient(135deg, #9dbb7a, #7aa66a);
  color: #fff;

  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.12);
  border-color: transparent;
}

.btn-home:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.btn-home:focus {
  outline: 3px solid #ffbf47;
  outline-offset: 2px;
}

/* =========================
   送信ボタン
========================= */
.btn-submit:hover {
  background: #5f9f8f;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.12);
}

/* =========================
   リセット
========================= */
.btn-reset:hover {
  background: #ddd;
  transform: translateY(-2px);
}

/* =========================
   ボタン配置
========================= */
.btn-area,
p.btn {
  text-align: center;
  margin-top: 20px;
}

/* =========================
   スマホ対応
========================= */
@media screen and (max-width: 600px) {
  .form-table th,
  .form-table td {
    display: block;
    width: 100%;
  }

  .radio-group {
    flex-direction: column;
  }
}