@charset "UTF-8";

/* 基本設定 */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: #f5f7fa;
  color: #283442;
  font-family:
    "Noto Sans JP",
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    Meiryo,
    sans-serif;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

/* ヘッダー */
.site-header {
  background: #173653;
  color: #fff;
}

.header-inner {
  max-width: 1000px;
  margin: auto;
  padding: 17px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 25px;
  font-weight: 700;
  letter-spacing: .02em;
}

.header-label {
  font-size: 12px;
  opacity: .85;
}

/* メイン */
.main-content {
  max-width: 900px;
  margin: 50px auto 70px;
  padding: 0 20px;
}

.notice {
  background: #fff;
  border: 1px solid #e4e9ef;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 6px 25px rgba(20, 40, 60, .05);
}

/* タイトル */
.notice-heading {
  padding: 38px 45px 30px;
  border-bottom: 1px solid #e7ebef;
}

.notice-badge {
  display: inline-block;
  padding: 3px 15px;
  background: #a83232;
  color: #fff;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 700;
}

h1 {
  margin: 16px 0;
  font-size: 25px;
  line-height: 1.6;
  color: #193650;
}

.updated {
  margin: 0;
  color: #687786;
  font-size: 13px;
  text-align: right;
}

/* 本文 */
.notice-body {
  padding: 36px 45px 45px;
}

.notice-body > p {
  margin: 0 0 23px;
}

.safety-message {
  padding: 15px 20px;
  background: #eef5fa;
  border-left: 4px solid #4b83a9;
  font-weight: 600;
}

/* 停止情報 */
.status-box {
  margin: 34px 0;
  border: 1px solid #dbe3ea;
  border-radius: 5px;
  overflow: hidden;
}

.status-item {
  padding: 19px 24px;
  border-bottom: 1px solid #dbe3ea;
}

.status-item:last-child {
  border-bottom: none;
}

.status-item h2 {
  margin: 0 0 5px;
  color: #53677a;
  font-size: 14px;
  font-weight: 700;
}

.status-item p {
  margin: 0;
}

.status-emphasis {
  color: #193650;
  font-size: 19px;
  font-weight: 700;
}

.note {
  color: #657382;
  font-size: 13px;
  line-height: 1.8;
}

/* 影響範囲 */
.impact-section {
  margin-top: 35px;
}

.impact-section h2 {
  margin: 0 0 17px;
  padding: 0 0 9px 13px;
  border-left: 4px solid #244b6a;
  border-bottom: 1px solid #e5eaf0;
  font-size: 19px;
  line-height: 1.5;
}

.impact-section > p {
  margin: 0 0 12px;
}

.security-note {
  margin-top: 25px;
  padding: 20px 23px;
  background: #f5f6f8;
  border-radius: 4px;
  color: #586675;
  font-size: 13px;
}

.security-note p {
  margin: 0 0 12px;
}

.security-note p:last-child {
  margin-bottom: 0;
}

/* お詫び */
.apology {
  margin-top: 38px;
  padding-top: 27px;
  border-top: 1px solid #e5eaf0;
}

.apology p {
  margin: 0 0 12px;
}

.signature {
  margin-top: 30px !important;
  margin-bottom: 0 !important;
  text-align: right;
  font-weight: 700;
}

/* フッター */
.site-footer {
  padding: 24px 16px;
  background: #173653;
  color: #fff;
  text-align: center;
  font-size: 12px;
}

.site-footer p {
  margin: 0;
}

/* スマートフォン */
@media screen and (max-width: 600px) {
  body {
    font-size: 14px;
    line-height: 1.85;
  }

  .header-inner {
    padding: 13px 17px;
  }

  .brand {
    font-size: 21px;
  }

  .main-content {
    margin: 20px auto 40px;
    padding: 0 12px;
  }

  .notice-heading {
    padding: 25px 21px 22px;
  }

  h1 {
    font-size: 20px;
    line-height: 1.6;
  }

  .notice-body {
    padding: 26px 21px 32px;
  }

  .safety-message {
    padding: 13px 15px;
  }

  .status-item {
    padding: 16px;
  }

  .status-emphasis {
    font-size: 16px;
  }

  .impact-section h2 {
    font-size: 17px;
  }

  .security-note {
    padding: 16px;
    font-size: 12px;
  }

  .signature {
    font-size: 13px;
  }
}