/* Clipan — 共通スタイル */
:root {
  --accent: #FF9500;
  --accent-light: #FFF3E0;
  --text: #1a1a1a;
  --text-secondary: #666;
  --bg: #FAFAFA;
  --card-bg: #FFFFFF;
  --border: #E5E5E5;
  --max-width: 680px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* ===== Header ===== */
.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-header .logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.site-header .logo span {
  font-size: 24px;
}

/* ===== Main ===== */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ===== Hero (Landing) ===== */
.hero {
  text-align: center;
  padding: 60px 0 40px;
}

.hero-icon {
  font-size: 72px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.hero .tagline {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ===== Features ===== */
.features {
  display: grid;
  gap: 20px;
  margin: 40px 0;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-card .icon {
  font-size: 32px;
  flex-shrink: 0;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== App Store Badge ===== */
.app-store-section {
  text-align: center;
  margin: 48px 0;
}

.app-store-badge {
  display: inline-block;
  background: #000;
  color: #fff;
  padding: 12px 32px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  transition: opacity 0.2s;
}

.app-store-badge:hover {
  opacity: 0.85;
}

/* ===== Page Title (Privacy / Support) ===== */
.page-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-meta {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

/* ===== Content Sections ===== */
.section {
  margin-bottom: 36px;
}

.section h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-light);
}

.section p,
.section li {
  font-size: 15px;
  color: var(--text);
}

.section ul,
.section ol {
  padding-left: 24px;
  margin-top: 8px;
}

.section li {
  margin-bottom: 6px;
}

/* ===== Contact Box ===== */
.contact-box {
  background: var(--accent-light);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  margin: 40px 0;
}

.contact-box p {
  font-size: 15px;
  margin-bottom: 12px;
}

.contact-box a {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: opacity 0.2s;
}

.contact-box a:hover {
  opacity: 0.85;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 12px;
}

.faq-item h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent);
}

.faq-item h3::before {
  content: 'Q. ';
}

.faq-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

.faq-item p::before {
  content: 'A. ';
  font-weight: 600;
  color: var(--text);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
}

.site-footer nav {
  margin-bottom: 12px;
}

.site-footer nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  margin: 0 12px;
}

.site-footer nav a:hover {
  color: var(--accent);
}

.site-footer .copyright {
  font-size: 12px;
  color: #999;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .hero .tagline { font-size: 16px; }
  .page-title { font-size: 24px; }
  main { padding: 24px 16px 60px; }
}