@media (max-width: 600px) {
  .vault-hero p {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
}
/* dot-line-listのliを左揃え */
.dot-line-list li {
  text-align: left;
}
@media (max-width: 600px) {
  .vault-strength h2,
  .vault-overview h2,
  .vault-benefits h2,
  .vault-usecases h2,
  .vault-remote h2,
  .cta-section h2 {
    font-size: 1.4rem !important;
  }
}
/* ==============================
   汎用・共通スタイル
   （HTML全体で使う小さな補助）
============================== */

/* 少し抑えめの強調テキスト */
.faded-desc {
  color: #003366;
  opacity: 0.9;
}

/* 導入効果・基本機能・オプション機能の説明テキスト */
.benefit-simple-desc {
  flex-basis: 100%;
  order: -1;
  display: block;
  width: 100%;
  text-align: center;
  font-weight: bold;
  margin-bottom: 16px;
}

.vault-benefits .benefit-simple-desc {
  text-align: center !important;
  color: rgba(2, 50, 99, 0.8);
}

@media (max-width: 600px) {
  .vault-benefits .benefit-simple-desc {
    text-align: left !important;
  }
}

/* Dataの金庫ページ専用：フッターとの余白 */
.vault-page .site-footer {
  margin-top: 0 !important;
}

/* アクセシビリティ用（視覚的に隠す） */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==============================
   ヒーローセクション
   <section class="vault-hero"> …
============================== */

.vault-hero {
  position: relative;
  height: 440px;
  color: #fff;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: url("../images/vault/data_vault.png") center/cover no-repeat;
  overflow: hidden;
}

.vault-hero .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0, 20, 60, 0.3), rgba(0, 10, 25, 0.4));
  z-index: 1;

}

.vault-hero .container {
  position: relative;
  z-index: 2;
}

.vault-hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-shadow: 0 6px 12px rgba(0, 0, 0, 0.6);
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeInHero 1s ease forwards;
}

.vault-hero p {
  font-size: 1.1rem;
  color: #eef2ff;
  text-shadow: 0 3px 8px rgba(0, 0, 0, 0.6);
  opacity: 0;
  animation: fadeInHero 1.4s ease forwards;
}

@keyframes fadeInHero {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==============================
   製品概要セクション
   <section class="vault-overview"> …
============================== */

.vault-overview {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(180deg, #f6eff8 0%, #ffffff 100%);
}

.vault-overview h2 {
  font-size: 1.8rem;
  color: #003366;
  margin-bottom: 20px;
  font-weight: 600;
}

.vault-overview h2 span {
  display: block;
  font-size: 0.9rem;
  color: #6a7db0;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.vault-overview p {
  color: #333;
  font-size: 1rem;
  line-height: 1.9;
}

/* 濃紺＋紫ライン（他セクション共通） */
.section-divider-purple {
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    #6b46a3,
    #9b7bb5,
    #6b46a3,
    transparent
  );
  margin: 20px auto 30px;
  max-width: 600px;
  opacity: 0.8;
}

/* ==============================
   共通見出しスタイル（H2）
   （概要 / 3つの理由 / 導入効果 / 活用シーン / リモート）
============================== */

.vault-strength h2,
.vault-overview h2,
.vault-benefits h2,
.vault-usecases h2,
.vault-remote h2,
.cta-section h2 {
  font-size: 1.8rem;
  color: #003366;
  margin-bottom: 20px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.03em;
}

.vault-strength h2 span,
.vault-overview h2 span,
.vault-benefits h2 span,
.vault-usecases h2 span,
.vault-remote h2 span {
  display: block;
  font-size: 0.9rem;
  color: #6a7db0;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ==============================
   3つの理由（強みカード）
   <section class="vault-strength"> …
============================== */

.vault-strength {
  background: linear-gradient(180deg, #f3f1ff 0%, #ffffff 100%);
  padding: 100px 20px;
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.strength-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.strength-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.strength-card img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto 16px auto;
}

.strength-card h3 {
  font-size: 1.25rem;
  color: #1e2a47;
  margin-bottom: 10px;
}

.strength-card p {
  color: #333;
  font-size: 0.95rem;
  line-height: 1.8;
}
/* スマホ時は「3つの理由」内の文章だけ左揃えにする */
@media (max-width: 768px) {
  .vault-strength .strength-card p {
    text-align: left;
  }
}
/* スマホだけ改行させる <br> 用 */
.sp-br {
  display: none;   /* PC・タブレットでは改行しない */
}

@media (max-width: 768px) {
  .sp-br {
    display: inline;  /* スマホ幅のときだけ改行を有効にする */
  }
}

/* ==============================
   導入効果セクション
   <section class="vault-benefits fancy-bg"> …
============================== */

.vault-benefits {
  background: linear-gradient(180deg, #f7f9fb 0%, #ffffff 100%);
  text-align: center;
  padding: 100px 20px;
}

.vault-benefits h2 {
  font-size: 1.8rem;
  color: #003366;
  margin-bottom: 40px;
}

.vault-benefits h2 span {
  display: block;
  font-size: 0.9rem;
  color: #6a7db0;
  letter-spacing: 0.08em;
}

.vault-benefits p {
  text-align: left;
}

/* 導入効果の警告ボックス */
.vault-warning-box {
  background: linear-gradient(90deg, #eef0fb, #f7f9ff);
  border-left: 6px solid #6b46a3;
  padding: 16px;
  margin-top: 20px;
  margin-bottom: 32px;
  font-size: 1rem;
  color: rgba(2, 50, 99, 0.8);
  line-height: 1.6;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  border-radius: 12px;
}

/* 導入効果：背景グラデーション＋淡い光エフェクト */
.vault-benefits.fancy-bg {
  position: relative;
  background: linear-gradient(135deg, #f9f4f5 0%, #e9effa 60%, #f0ecfa 100%);
  overflow: hidden;
  padding: 120px 20px;
  margin-bottom: 0 !important;
  padding-bottom: 60px !important;
}

.vault-benefits.fancy-bg::before {
  content: "";
  display: none;
}

.vault-benefits.fancy-bg::after {
  content: "";
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(150, 180, 255, 0.5),
    transparent 70%
  );
  filter: blur(60px);
  z-index: 0;
}

.vault-benefits .container {
  position: relative;
  z-index: 1;
}

/* Before / After 比較レイアウト共通 */
.benefit-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
}

.benefit-box {
  flex: 1;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 24px;
  text-align: center;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-box:hover {
  transform: translateY(-8px);
  box-shadow: 0 14px 36px rgba(0, 50, 100, 0.2);
}

.benefit-box img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 0 auto 12px auto;
}

/* 導入効果カードの見出し */
.benefit-box h4 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #1f2f55;
  border-bottom: 2px solid #aabbee;
  padding-bottom: 6px;
  letter-spacing: 0.06em;
  font-family: "Noto Sans JP", sans-serif;
}

/* 導入効果（Before/After）の中身 */
.benefit-box p {
  font-size: 0.92rem;
  line-height: 1.9;
  font-weight: 500;
  padding: 12px 15px;
  border-radius: 8px;
  text-align: left;
}

/* 中央の矢印 */
.compare-arrow {
  font-size: 3rem;
  color: #4c6ef5;
  font-weight: bold;
  animation: arrowBlink 1.8s infinite ease-in-out;
  text-shadow: 0 0 12px rgba(76, 110, 245, 0.6);
}

@keyframes arrowBlink {
  0%,
  100% {
    opacity: 0.4;
    transform: translateX(0);
  }
  50% {
    opacity: 1;
    transform: translateX(8px);
  }
}
.benefit-box.before h4 {
  display: block !important;
  width: 100% !important;
  background: linear-gradient(90deg, #ffb3b3 60%, #ffebee 100%) !important;
  color: #b71c1c !important;
  border-radius: 6px !important;
  padding: 6px 24px !important;
  box-sizing: border-box !important;
  color: #222;
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  text-shadow: none;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 0;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.benefit-box.after h4 {
  display: block !important;
  width: 100% !important;
  background: linear-gradient(90deg, #90caf9 60%, #e3f2fd 100%) !important;
  color: #0d47a1 !important;
  border-radius: 6px !important;
  padding: 6px 24px !important;
  box-sizing: border-box !important;
  color: #222;
  background: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  text-shadow: none;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 0;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
/* ==============================
   中小企業・多業種での活用シーン
   <section class="vault-usecases"> …
============================== */

.vault-usecases {
  background: linear-gradient(180deg, #f7f4fc 0%, #ffffff 100%);
  padding: 80px 20px;
  text-align: center;
}

.vault-usecases h2 {
  font-size: 1.8rem;
  color: #003366;
  margin-bottom: 20px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.03em;
}

.vault-usecases h2 span {
  display: block;
  font-size: 0.9rem;
  color: #6a7db0;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* リード文ボックス（中小企業推し） */
.vault-usecases .faded-desc {
  max-width: 780px;
  margin: 0 auto 16px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.9);
  border-left: 4px solid rgba(107, 70, 163, 0.7);
  border-radius: 10px;
  font-size: 0.98rem;
  color: #003366;
  line-height: 1.9;
  text-align: left;
}

/* 活用シーンのリスト全体をカード風に */
.vault-usecases .usecase-list {
  max-width: 780px;
  margin: 0 auto;
  padding: 16px 20px 12px;
  list-style: none;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  border: 1px solid #e1ddf4;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
  text-align: left;
}

.vault-usecases .usecase-list li {
  position: relative;
  padding-left: 1.6em;
  margin-bottom: 8px;
  font-size: 0.98rem;
  color: #333;
  line-height: 1.8;
}

.vault-usecases .usecase-list li::before {
  content: "●";
  position: absolute;
  left: 0;
  top: 0.35em;
  font-size: 0.5rem;
  color: #6b46a3;
}

/* ==============================
   基本機能／オプション機能
   <section class="vault-benefits vault-architecture-bg"> …
============================== */

/* 導入効果に続く、ワントーン明るい背景 */
.vault-architecture-bg {
  background: linear-gradient(135deg, #f5f3fb 0%, #f7f6fc 100%) !important;
  padding: 120px 20px !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  margin-bottom: 0 !important;
  margin-top: 0 !important;
  padding-top: 60px !important;
}

/* 基本機能・オプション内の benefit-compare も統一 */
.vault-architecture-bg .benefit-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
}

.vault-architecture-bg .benefit-box {
  flex: 1;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 24px;
  text-align: center;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 基本機能の見出し（目的①/②） */
.benefit-box h4.backup-title {
  background: linear-gradient(to right, #cfe5ff, #a3caff);
  color: #003366;
  padding: 10px 20px;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
  border-top-right-radius: 6px;
  border-bottom-right-radius: 6px;
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 16px;
  text-align: left;
}

.benefit-box h4.recovery-title {
  background: linear-gradient(to left, #ffd6d6, #ffaaaa);
  color: #661111;
  padding: 10px 20px;
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  border-top-left-radius: 6px;
  border-bottom-left-radius: 6px;
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 16px;
  text-align: right;
}

/* 背景アイコン付き（バックアップ／復旧） */
.benefit-box.backup-bg {
  position: relative;
  background-color: #f5f9ff;
  overflow: hidden;
}

.benefit-box.backup-bg::before {
  content: "";
  position: absolute;
  background-image: url("../images/vault/backup_icon1.png");
  background-repeat: no-repeat;
  background-size: 50% auto;
  background-position: center center;
  opacity: 0.12;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.benefit-box.backup-bg > * {
  position: relative;
  z-index: 1;
}

.benefit-box.recovery-bg {
  position: relative;
  background-color: #fff6f6;
  overflow: hidden;
}

.benefit-box.recovery-bg::before {
  content: "";
  position: absolute;
  background-image: url("../images/vault/recovery_icon1.png");
  background-repeat: no-repeat;
  background-size: 50% auto;
  background-position: center center;
  opacity: 0.12;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.benefit-box.recovery-bg > * {
  position: relative;
  z-index: 1;
}

/* ==============================
   リモートアクセス
   <section class="vault-remote"> …
============================== */

.vault-remote {
  background: linear-gradient(180deg, #ebe6f7 0%, #f1eefc 100%) !important;
  padding: 60px 20px;
  text-align: center;
}

.vault-remote h2 {
  font-size: 1.8rem;
  color: #003366;
  margin-bottom: 16px;
}

.vault-remote p {
  font-size: 1rem;
  line-height: 1.8;
  color: #333;
}

/* リモートセクション内のテキスト色微調整 */
.vault-remote .remote-main-desc,
.vault-remote .vault-remote-margin {
  color: #003366;
}

/* 「安全性を確保する仕組み」タイトル */
.remote-security-title {
  margin-top: 24px;
  margin-bottom: 8px;
  font-weight: 600;
  color: #003366;
}

/* リモートアクセスの安全性リスト */
.remote-security-list {
  list-style: none;
  padding: 0;
  margin: 0 auto 24px auto;
  max-width: 600px;
  font-size: 1rem;
  color: #333;
}

.remote-security-list li {
  position: relative;
  padding-left: 1.6em;
  margin-bottom: 8px;
  text-align: left;
  border-bottom: 1px dotted #ccc;
  padding-top: 6px;
  padding-bottom: 6px;
}

.remote-security-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0.1em;
  color: #2b65c3;
  font-size: 1.2em;
  font-weight: bold;
}

/* リモートセクション内の benefit-compare の間隔調整 */
.benefit-compare-margin {
  margin-top: 16px;
}

/* ==============================
   CTAセクション
   <section class="cta-section"> …
============================== */

.cta-section {
  background: #001933;
  color: white;
  padding: 60px 20px;
  text-align: center;
}

.cta-section h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: white;
  letter-spacing: 0.02em;
}

.cta-section p {
  font-size: 1.1rem;
  color: #e0e8ff;
}

.cta-btn {
  display: inline-block;
  margin-top: 30px;
  padding: 14px 36px;
  background: #fff;
  color: #003366;
  border-radius: 40px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.cta-btn:hover {
  background: #dce5f8;
  transform: translateY(-3px);
}

/* ==============================
   オプション機能：ZFS テーブル
   <div class="tech-table"> …
============================== */

.tech-table {
  overflow-x: auto;
  margin-top: 20px;
}

.tech-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: #fafcff;
}

.tech-table th,
.tech-table td {
  border: 1px solid #ddd;
  padding: 12px 16px;
  text-align: left;
}

.tech-table th {
  background: #003366;
  color: #fff;
  font-weight: 600;
  text-align: center;
}

.tech-table tr:nth-child(even) {
  background: #f1f5fc;
}

/* ==============================
   レスポンシブ調整
============================== */

/* タブレット〜スマホ共通 */
@media (max-width: 768px) {
  .vault-hero {
    height: 320px;
  }

  .vault-hero h1 {
    font-size: 2rem;
  }

  .vault-hero p {
    font-size: 0.95rem;
  }

  .vault-overview {
    padding: 60px 20px;
  }

  .vault-overview h2 {
    font-size: 1.5rem;
  }

  .vault-benefits {
    padding: 70px 20px;
  }

  .vault-usecases {
    padding: 60px 20px;
  }

  /* benefit-compare（導入効果・基本機能・リモート共通）縦並び */
  .benefit-compare {
    flex-direction: column;
    gap: 50px;
  }

  .compare-arrow {
    transform: rotate(90deg);
    font-size: 2.5rem;
  }

  .vault-architecture-bg {
    padding: 80px 20px !important;
  }
}
@media (max-width: 768px) {
  /* ……既存のコードはそのまま…… */

  /* ★スマホでは概要文の <br> を消して自然な折り返しに */
  .vault-overview p br {
    display: none;
  }

  /* 必要ならスマホだけ左寄せにしたい場合 */
   .vault-overview p {
       text-align: left;
     } 
}

/* スマホ向け CTA 見出し調整 */
@media (max-width: 600px) {
  .cta-section h2 {
    font-size: 1.3rem;
  }
}
@media (max-width: 768px) {
  .vault-hero p br {
    display: none;
  }

  .vault-hero p {
    text-align: center; /* または left にしてもOK */
    word-break: break-word;
    line-height: 1.8;
  }
}

/* benefit-box内の・付き文章（スマホ時折り返し揃え） */
@media (max-width: 600px) {
  .benefit-box p.dot-line {
    position: relative;
    padding-left: 1.6em;
    text-indent: 0;
    word-break: break-word;
  }
  .benefit-box p.dot-line::before {
    content: "・";
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1em;
    color: #888;
    width: 1.6em;
    text-align: center;
  }
}

/* PC時も「・」はCSSで表示、HTMLから削除 */

.benefit-box p.dot-line {
  position: relative;
  padding-left: 1.6em;
  margin-bottom: 8px;
  font-size: 0.98rem;
  color: #333;
  line-height: 1.8;
}
.benefit-box p.dot-line::before {
  content: "●";
  position: absolute;
  left: 0;
  top: 0.35em;
  font-size: 0.5rem;
  color: #6b46a3;
}

@media (max-width: 768px) {
  .dot-line {
    position: relative;
    padding-left: 1.2em;
    line-height: 1.8;
  }

  .dot-line::before {
    content: "・";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1em;
    color: #555;
  }
}