/* ベース設定 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.7;
  color: #333;
  background-color: #f5f5f7;
}

/* レイアウト */
.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header,
.site-footer {
  padding: 1.5rem 1rem;
  background-color: #ffffff;
  border-bottom: 1px solid #e0e0e0;
}

.site-footer {
  border-top: 1px solid #e0e0e0;
  border-bottom: none;
  margin-top: auto;
}

.logo-area {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.company-name {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0;
}

.content {
  padding: 2rem 1rem 3rem;
}

.notice-card {
  max-width: 960px;
  margin: 0 auto;
  background-color: #ffffff;
  border-radius: 12px;
  padding: 2.5rem 2rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

/* タイトル・テキスト */
.notice-title {
  font-size: 1.6rem;
  margin-top: 0;
  margin-bottom: 1rem;
  text-align: center;
  letter-spacing: 0.08em;
}

.notice-lead {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  text-align: center;
}

.section-title {
  font-size: 1.1rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  border-left: 4px solid #2563eb;
  padding-left: 0.6rem;
}

p {
  margin-top: 0.4rem;
  margin-bottom: 0.9rem;
}

.emphasis {
  font-weight: 600;
}

/* 区切り線 */
.divider {
  border: none;
  border-top: 1px solid #e5e7eb;
  margin: 1.8rem 0;
}

/* 情報ボックス */
.transfer-box,
.contact-box {
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background-color: #f9fafb;
  padding: 1.4rem 1.2rem;
  margin-bottom: 1.5rem;
}

.transfer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 0.8rem;
}

/* 定義リスト */
.info-list {
  margin: 0;
}

.info-list > div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.4rem 1rem;
  padding: 0.3rem 0;
  border-bottom: 1px dashed #e5e7eb;
}

.info-list > div:last-child {
  border-bottom: none;
}

.info-list dt {
  font-weight: 600;
  color: #4b5563;
}

.info-list dd {
  margin: 0;
  color: #111827;
}

/* フッター・締めの文 */
.closing {
  margin-top: 1.8rem;
}

.signature {
  margin-top: 2rem;
  text-align: right;
  line-height: 1.6;
}

.footer-text {
  max-width: 960px;
  margin: 0 auto;
  font-size: 0.8rem;
  color: #6b7280;
  text-align: center;
}

/* リンク */
a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* スマホ対応 */
@media (max-width: 640px) {
  .notice-card {
    padding: 1.8rem 1.4rem;
  }

  .info-list > div {
    grid-template-columns: 1fr;
  }

  .company-name {
    font-size: 1.2rem;
  }

  .notice-title {
    font-size: 1.4rem;
  }
}