/* ===== 静的ランディングページ共通スタイル ===== */
/* ブランドカラー: #E91B89 / #7B37A8 / #5BAADE / #5A5A5A / #1A1A1A */

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

html,
body {
  height: auto;
  min-height: 100%;
}

body {
  font-family: 'Zen Kaku Gothic New', 'Noto Sans JP', system-ui, -apple-system,
    'Segoe UI', sans-serif;
  color: #5a5a5a;
  line-height: 1.7;
  background:
    radial-gradient(circle at 20% 10%, rgba(233, 27, 137, 0.05), transparent 60%),
    radial-gradient(circle at 80% 90%, rgba(91, 170, 222, 0.05), transparent 60%),
    #ffffff;
}

a {
  color: #7b37a8;
  text-decoration: none;
}

a:hover {
  color: #e91b89;
  text-decoration: underline;
}

/* ===== レイアウト ===== */
.lp-shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 88px;
}

/* ===== ヘッダー ===== */
.lp-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(1.6) blur(10px);
  -webkit-backdrop-filter: saturate(1.6) blur(10px);
  border-bottom: 1px solid #ececec;
}

.lp-header__brand {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, #e91b89, #7b37a8, #5baade);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
}

.lp-header__cta {
  display: inline-block;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(90deg, #e91b89, #7b37a8);
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(233, 27, 137, 0.25);
  transition: opacity 0.15s ease, transform 0.08s ease;
}

.lp-header__cta:hover {
  opacity: 0.92;
  color: #ffffff;
  text-decoration: none;
}

/* ===== タイトル ===== */
.lp-hero {
  margin-bottom: 48px;
  padding-bottom: 28px;
  border-bottom: 1px solid #ececec;
}

.lp-eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #7b37a8;
  background: #faf5fd;
  border-radius: 4px;
  text-transform: uppercase;
}

.lp-title {
  margin: 0 0 14px;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: #1a1a1a;
}

.lp-lead {
  font-size: 15px;
  line-height: 1.85;
  color: #5a5a5a;
}

/* ===== セクション見出し ===== */
.lp-section {
  margin-bottom: 40px;
}

.lp-section__title {
  position: relative;
  margin: 0 0 18px;
  padding-left: 14px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  color: #1a1a1a;
  letter-spacing: 0.02em;
}

.lp-section__title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, #e91b89, #7b37a8, #5baade);
}

.lp-section__sub {
  margin: 22px 0 10px;
  font-size: 15px;
  font-weight: 800;
  color: #1a1a1a;
  line-height: 1.55;
}

.lp-section p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #5a5a5a;
}

.lp-section p:last-child {
  margin-bottom: 0;
}

/* ===== 箇条書き ===== */
.lp-list {
  padding-left: 1.2em;
  margin: 0 0 14px;
}

.lp-list li {
  margin-bottom: 8px;
  font-size: 14.5px;
  line-height: 1.85;
  color: #5a5a5a;
}

.lp-list li::marker {
  color: #e91b89;
}

/* ===== ステップ番号付きリスト ===== */
.lp-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 4px 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: lp-steps;
}

.lp-steps li {
  position: relative;
  padding: 14px 16px 14px 56px;
  background: #ffffff;
  border: 1px solid #ececec;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: #5a5a5a;
  counter-increment: lp-steps;
}

.lp-steps li::before {
  content: counter(lp-steps);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, #e91b89, #7b37a8);
  border-radius: 50%;
}

/* ===== 補足ボックス ===== */
.lp-note {
  margin: 18px 0;
  padding: 14px 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #5a5a5a;
  background: #faf5fd;
  border-left: 3px solid #7b37a8;
  border-radius: 0 8px 8px 0;
}

/* ===== カード型グリッド ===== */
.lp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin: 4px 0 12px;
}

.lp-card {
  padding: 16px 18px;
  background: #ffffff;
  border: 1px solid #ececec;
  border-radius: 10px;
}

.lp-card__title {
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 800;
  color: #1a1a1a;
  line-height: 1.5;
}

.lp-card__desc {
  font-size: 12.5px;
  line-height: 1.75;
  color: #5a5a5a;
}

/* ===== 比較表 ===== */
.lp-table-wrap {
  overflow-x: auto;
  border: 1px solid #ececec;
  border-radius: 10px;
  background: #ffffff;
  margin: 4px 0 12px;
}

.lp-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13px;
}

.lp-table thead th {
  padding: 12px;
  font-size: 12px;
  font-weight: 800;
  color: #ffffff;
  background: #1a1a1a;
  text-align: left;
  line-height: 1.4;
}

.lp-table thead th:first-child {
  width: 30%;
  background: #2c2c2c;
}

.lp-table tbody td {
  padding: 12px;
  border-top: 1px solid #f0f0f0;
  font-size: 13px;
  color: #1a1a1a;
  line-height: 1.55;
}

.lp-table tbody tr:nth-child(odd) td {
  background: #fafafa;
}

.lp-table tbody td:first-child {
  font-weight: 700;
  color: #5a5a5a;
  background: #ffffff;
}

.lp-table tbody tr:nth-child(odd) td:first-child {
  background: #f5f5f5;
}

.lp-table tbody td.lp-table__highlight {
  color: #7b37a8;
  font-weight: 700;
}

/* ===== CTAボックス ===== */
.lp-cta-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 32px 0;
  padding: 32px 24px;
  background:
    linear-gradient(135deg, rgba(233, 27, 137, 0.04), rgba(91, 170, 222, 0.04)),
    #ffffff;
  border: 1.5px solid #ece6f1;
  border-radius: 14px;
  text-align: center;
}

.lp-cta-box__title {
  font-size: 17px;
  font-weight: 800;
  color: #1a1a1a;
  line-height: 1.5;
}

.lp-cta-box__desc {
  font-size: 13px;
  color: #5a5a5a;
  line-height: 1.7;
}

.lp-cta-box__btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(90deg, #e91b89, #7b37a8);
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(233, 27, 137, 0.3);
  transition: opacity 0.15s ease, transform 0.08s ease;
}

.lp-cta-box__btn:hover {
  opacity: 0.92;
  color: #ffffff;
  text-decoration: none;
}

.lp-cta-box__btn:active {
  transform: translateY(1px);
}

/* ===== 関連ページナビ ===== */
.lp-related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 8px;
}

.lp-related__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: #ffffff;
  border: 1px solid #ececec;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 0.1s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.lp-related__link:hover {
  transform: translateY(-1px);
  border-color: #e91b89;
  box-shadow: 0 4px 14px rgba(233, 27, 137, 0.1);
  text-decoration: none;
}

.lp-related__title {
  font-size: 14px;
  font-weight: 800;
  color: #1a1a1a;
}

.lp-related__desc {
  font-size: 12px;
  color: #5a5a5a;
  line-height: 1.6;
}

/* ===== フッター ===== */
.lp-footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid #ececec;
  text-align: center;
  font-size: 12px;
  color: #9a9a9a;
}

.lp-footer__nav {
  margin-bottom: 8px;
}

.lp-footer__nav a {
  margin: 0 8px;
}

/* ===== レスポンシブ ===== */
@media (max-width: 600px) {
  .lp-shell {
    padding: 40px 18px 64px;
  }

  .lp-title {
    font-size: 24px;
  }

  .lp-section__title {
    font-size: 18px;
  }

  .lp-header {
    padding: 12px 18px;
  }

  .lp-header__brand {
    font-size: 15px;
  }
}
