/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  color: #1a1a1a;
  line-height: 1.8;
  background: #fafafa;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: #2d7a3a;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: #666;
  text-decoration: none;
  font-size: 14px;
}

nav a:hover {
  color: #2d7a3a;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #2d7a3a 0%, #4a9e5a 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.coming-soon {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 12px 32px;
  border-radius: 8px;
  font-weight: 600;
}

/* Features */
.features {
  padding: 60px 0;
}

.features .container {
  display: grid;
  gap: 40px;
}

.feature h3 {
  font-size: 20px;
  color: #2d7a3a;
  margin-bottom: 8px;
}

.feature p {
  color: #555;
}

/* Legal pages */
.legal h1 {
  font-size: 28px;
  margin: 40px 0 8px;
  color: #1a1a1a;
}

.legal .updated {
  color: #888;
  font-size: 14px;
  margin-bottom: 32px;
}

.legal h2 {
  font-size: 20px;
  margin: 36px 0 12px;
  color: #2d7a3a;
  padding-bottom: 6px;
  border-bottom: 1px solid #e5e5e5;
}

.legal h3 {
  font-size: 16px;
  margin: 20px 0 8px;
  color: #333;
}

.legal p {
  margin-bottom: 12px;
  color: #444;
}

.legal ul, .legal ol {
  margin: 8px 0 16px 24px;
  color: #444;
}

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

.legal a {
  color: #2d7a3a;
}

/* Support page */
.support-contact {
  margin: 40px 0;
  padding: 32px;
  background: #f0f7f1;
  border-radius: 12px;
  text-align: center;
}

.support-contact h2 {
  color: #2d7a3a;
  margin-bottom: 12px;
}

.email-link {
  margin: 16px 0;
}

.email-link a {
  font-size: 20px;
  color: #2d7a3a;
  font-weight: 600;
  text-decoration: none;
}

.email-link a:hover {
  text-decoration: underline;
}

/* FAQ */
.faq {
  margin: 40px 0;
}

.faq h2 {
  font-size: 24px;
  color: #2d7a3a;
  margin-bottom: 20px;
}

details {
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  margin-bottom: 8px;
  background: #fff;
}

summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  color: #333;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: '▶';
  display: inline-block;
  margin-right: 10px;
  font-size: 12px;
  color: #999;
  transition: transform 0.2s;
}

details[open] summary::before {
  transform: rotate(90deg);
}

.faq-answer {
  padding: 0 20px 16px;
  color: #555;
}

.faq-answer p {
  margin-bottom: 8px;
}

.faq-answer a {
  color: #2d7a3a;
}

/* Footer */
footer {
  border-top: 1px solid #e5e5e5;
  padding: 24px 0;
  text-align: center;
  color: #999;
  font-size: 14px;
  margin-top: 40px;
}

/* Responsive */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 24px;
  }

  nav {
    gap: 12px;
  }

  nav a {
    font-size: 12px;
  }
}