/* KarukuLab home site shared styles */
:root {
  color-scheme: light;
  --kl-bg: #f8fafc;
  --kl-surface: #ffffff;
  --kl-text: #1f2933;
  --kl-heading: #0f172a;
  --kl-muted: #475569;
  --kl-border: #e2e8f0;
  --kl-primary: #2563eb;
  --kl-primary-dark: #1d4ed8;
  --kl-soft-blue: #eff6ff;
  --kl-soft-green: #ecfdf5;
  --kl-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  --kl-card-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--kl-bg);
  color: var(--kl-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.85;
}

a { color: inherit; }

.kl-wrap {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.kl-container { max-width: 1040px; margin: 0 auto; }

/* ヘッダー / グローバルナビ */
.kl-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.kl-site-logo {
  display: block;
  width: min(100%, 110px);
  max-width: 110px;
  height: auto;
}

.kl-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 14px;
}

.kl-nav a {
  color: var(--kl-muted);
  text-decoration: none;
  font-weight: 600;
}

.kl-nav a:hover { color: var(--kl-primary); }

/* パンくず */
.kl-breadcrumb {
  margin: 0 0 16px;
  font-size: 13px;
  color: #64748b;
}

.kl-breadcrumb a { color: var(--kl-primary); text-decoration: none; }

/* 見出し */
.kl-page-title {
  margin: 0 0 8px;
  color: var(--kl-heading);
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.3;
}

.kl-page-lead {
  margin: 0 0 24px;
  color: var(--kl-muted);
  font-size: 16px;
}

/* 本文（記事・規約など） */
.kl-article {
  border: 1px solid var(--kl-border);
  border-radius: 22px;
  background: var(--kl-surface);
  box-shadow: var(--kl-card-shadow);
  padding: 28px 26px;
}

.kl-article h2 {
  margin: 30px 0 10px;
  color: var(--kl-heading);
  font-size: 21px;
  line-height: 1.4;
  scroll-margin-top: 16px;
}

.kl-article h2:first-child { margin-top: 0; }

.kl-article h3 {
  margin: 20px 0 8px;
  color: var(--kl-heading);
  font-size: 17px;
}

.kl-article p { margin: 0 0 14px; color: var(--kl-text); }

.kl-article ul,
.kl-article ol {
  margin: 0 0 16px;
  padding-left: 1.4em;
  color: var(--kl-text);
}

.kl-article li { margin-bottom: 6px; }

.kl-article a { color: var(--kl-primary); font-weight: 600; }

.kl-article .kl-updated {
  margin: 0 0 18px;
  font-size: 13px;
  color: #94a3b8;
}

/* カード一覧（ガイド一覧など） */
.kl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.kl-card {
  display: block;
  min-height: 100%;
  border: 1px solid var(--kl-border);
  border-radius: 22px;
  background: var(--kl-surface);
  box-shadow: var(--kl-card-shadow);
  padding: 20px;
  text-decoration: none;
}

.kl-card:hover { border-color: #bfdbfe; }

.kl-card h3 { margin: 0 0 8px; color: var(--kl-heading); font-size: 18px; line-height: 1.4; }
.kl-card p { margin: 0; color: var(--kl-muted); }

/* ボタン */
.kl-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 0; }

.kl-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 18px;
  font-weight: 700;
  text-decoration: none;
}

.kl-button-primary { background: var(--kl-primary); color: #ffffff; }
.kl-button-primary:hover { background: var(--kl-primary-dark); }
.kl-button-secondary { border: 1px solid #cbd5e1; background: #ffffff; color: #1f2933; }

/* 補足ボックス */
.kl-note {
  border-left: 4px solid var(--kl-primary);
  background: var(--kl-soft-blue);
  color: #1e3a8a;
  border-radius: 16px;
  padding: 16px 18px;
  margin: 18px 0;
}

.kl-note p { margin: 0; }

/* フッター */
.kl-footer {
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--kl-border);
  color: #64748b;
  font-size: 14px;
}

.kl-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin: 0 0 10px;
}

.kl-footer-nav a { color: var(--kl-muted); text-decoration: none; }
.kl-footer-nav a:hover { color: var(--kl-primary); }

.kl-ad-notice {
  margin-top: 28px;
  padding: 10px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #f3f4f6;
  color: #4b5563;
  font-size: 12px;
  line-height: 1.7;
}

.kl-ad-notice p { margin: 0; }

@media (max-width: 560px) {
  .kl-wrap { padding: 24px 16px 44px; }
  .kl-actions { flex-direction: column; }
  .kl-button { width: 100%; }
  .kl-grid { grid-template-columns: 1fr; }
}