/* =========================
   RESET
========================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background: #f2f2f2;
  color: #333;
  line-height: 1.7;
}

/* =========================
   HEADER
========================= */
.page-header {
  background: #575757;
  color: #fff;
  padding: 20px;
  text-align: center;
}

.page-header h1 {
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.page-header-icon {
  width: 45px;
}
/* =========================
   BODY
========================= */
#body {
  max-width: 960px;
  margin: 40px auto;
  padding: 0 16px 60px;
}

/* 見出し */
#body h2 {
  font-size: 22px;
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 6px solid #6b6b6b;
  color: #2e2e2e;
}

/* 説明文 */
#body ol {
  margin: 12px 0 32px 20px;
  color: #555;
}

/* =========================
   FORM
========================= */
#form-tbl {
  background: #ffffff;
  padding: 32px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  margin-bottom: 40px;
}

/* テーブル */
#form {
  width: 100%;
  border-collapse: collapse;
}

#form th {
  width: 28%;
  background: #f0f0f0;
  padding: 14px 12px;
  text-align: left;
  vertical-align: top;
  font-weight: 600;
  color: #444;
  border-bottom: 1px solid #ddd;
}

#form td {
  padding: 14px 12px;
  border-bottom: 1px solid #ddd;
}

/* =========================
   INPUT / TEXTAREA
========================= */
input[type="text"],
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #bbb;
  border-radius: 4px;
  font-size: 15px;
  background: #fafafa;
  transition: border 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: #666;
  box-shadow: 0 0 0 2px rgba(100,100,100,0.15);
  background: #fff;
}

textarea {
  resize: vertical;
}

/* =========================
   BUTTON
========================= */
.btn {
  text-align: center;
  margin-top: 32px;
}

.btn input {
  appearance: none;
  border: none;
  padding: 12px 36px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  margin: 0 8px;
  transition: all 0.25s ease;
}

/* 送信 */
.btn input[type="submit"] {
  background: linear-gradient(135deg, #5f5f5f, #3d3d3d);
  color: #fff;
}

.btn input[type="submit"]:hover {
  background: linear-gradient(135deg, #4a4a4a, #2f2f2f);
  transform: translateY(-1px);
}

/* リセット */
.btn input[type="reset"] {
  background: #e0e0e0;
  color: #333;
}

.btn input[type="reset"]:hover {
  background: #d0d0d0;
}

/* =========================
   SMALL TEXT
========================= */
small {
  color: #777;
  font-size: 13px;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {

  #form th {
    width: 100%;
    display: block;
    border-bottom: none;
    padding-bottom: 4px;
  }

  #form td {
    display: block;
    padding-top: 0;
  }

  #body h2 {
    font-size: 20px;
  }
}