/* ===== ことばみまもり 共通CSS (サブページ用) ===== */
@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;600&display=swap');

:root {
  --bg:        #f7f8fc;
  --surface:   #ffffff;
  --surface2:  #f0f2fa;
  --border:    #dde1f0;
  --text:      #1e2340;
  --muted:     #6b7299;
  --accent:    #4a6cf7;
  --accent-lt: #eef1ff;
  --green:     #22c48a;
  --green-lt:  #e6faf3;
  --radius:    14px;
  --shadow:    0 4px 24px rgba(74,108,247,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Header ===== */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(74,108,247,0.06);
}

.header-logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.header-logo:hover { text-decoration: none; }

@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.5); opacity: 0; }
}

.logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-ring 2s ease-out infinite;
  flex-shrink: 0;
}

.header-link {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ===== Page Hero ===== */
.page-hero {
  background: linear-gradient(160deg, #eef1ff 0%, #f7f8fc 60%);
  border-bottom: 1px solid var(--border);
  padding: 3rem 1.5rem 2rem;
  text-align: center;
}

.page-hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.page-hero p {
  color: var(--muted);
  font-size: 0.88rem;
}

/* ===== Main ===== */
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* ===== Card ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 2.25rem;
  margin-bottom: 1.5rem;
}

/* ===== Document Content (利用規約・免責・プライバシー) ===== */
.doc-section {
  margin-bottom: 2rem;
}

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

.doc-section h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
  padding-left: 0.85rem;
  border-left: 3px solid var(--accent);
  line-height: 1.5;
}

.doc-section p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
  line-height: 1.85;
}

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

.doc-section ul {
  padding-left: 1.4rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.85;
}

.doc-section ul li { margin-bottom: 0.3rem; }

.doc-section strong { color: var(--text); font-weight: 500; }

/* 更新日バッジ */
.updated-badge {
  display: inline-block;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--muted);
  padding: 0.25rem 0.75rem;
  margin-bottom: 1.75rem;
}

/* ===== Contact ===== */
.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.contact-method:hover { border-color: var(--accent); }

.contact-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-body h3 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-body p {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.65;
}

.contact-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.25rem;
  display: flex;
  gap: 0.3rem;
}

/* ===== Footer ===== */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
}

.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--accent); }

.footer-copy {
  font-size: 0.75rem;
  color: #b0b6cc;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  header { padding: 0.85rem 1rem; }
  .page-hero { padding: 2rem 1rem 1.5rem; }
  main { padding: 1.5rem 1rem 3rem; }
  .card { padding: 1.25rem; }
}