/* ── Reset & Base ────────────────────────────────── */

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

:root {
  --green-tea: #B1C095;
  --kiwi: #6A7D4F;
  --oat: #E6DED1;
  --stone: #746C64;
  --sand: #DACFBB;
  --strawberry: #F9CDD5;
  --surface: #FFFFFF;
  --kiwi-hover: #5C6E43;
  --card-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  --card-radius: 20px;
  --font: 'SF Pro Rounded', ui-rounded, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background-color: var(--oat);
  color: var(--stone);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px 40px;
}

/* ── Card Container ──────────────────────────────── */

.card {
  background: var(--surface);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  max-width: 560px;
  width: 100%;
  padding: 48px 40px;
  animation: rise 0.5s ease-out;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Homepage ────────────────────────────────────── */

.logo {
  font-size: 56px;
  line-height: 1;
  margin-bottom: 16px;
}

.brand {
  font-size: 28px;
  font-weight: 600;
  color: var(--kiwi);
  letter-spacing: -0.3px;
  margin-bottom: 6px;
}

.tagline {
  font-size: 15px;
  color: var(--stone);
  opacity: 0.8;
  margin-bottom: 40px;
}

.home-content {
  text-align: center;
}

/* ── Navigation Links ────────────────────────────── */

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-link {
  display: block;
  padding: 16px 20px;
  background: var(--oat);
  border-radius: 12px;
  color: var(--kiwi);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: background 0.2s ease, transform 0.15s ease;
}

.nav-link:hover {
  background: var(--sand);
  transform: translateY(-1px);
}

.nav-link:active {
  transform: translateY(0);
}

/* ── Back Link ───────────────────────────────────── */

.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--kiwi);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 28px;
  transition: opacity 0.2s ease;
}

.back:hover {
  opacity: 0.7;
}

.back svg {
  width: 16px;
  height: 16px;
}

/* ── Sub-page Content ────────────────────────────── */

.page-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--kiwi);
  margin-bottom: 8px;
}

.page-date {
  font-size: 13px;
  color: var(--sand);
  margin-bottom: 32px;
}

.section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--kiwi);
  margin-top: 28px;
  margin-bottom: 8px;
}

.content p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 14px;
  color: var(--stone);
}

.content ul {
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
  padding-left: 20px;
  margin-bottom: 14px;
}

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

/* ── FAQ ─────────────────────────────────────────── */

.faq-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--sand);
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-q {
  font-size: 15px;
  font-weight: 600;
  color: var(--kiwi);
  margin-bottom: 6px;
}

.faq-a {
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone);
}

/* ── Contact ─────────────────────────────────────── */

.contact-link {
  display: inline-block;
  padding: 14px 28px;
  background: var(--kiwi);
  color: var(--surface);
  text-decoration: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  transition: background 0.2s ease, transform 0.15s ease;
}

.contact-link:hover {
  background: var(--kiwi-hover);
  transform: translateY(-1px);
}

.contact-link:active {
  transform: translateY(0);
}

/* ── Divider ─────────────────────────────────────── */

.divider {
  height: 1px;
  background: var(--sand);
  margin: 28px 0;
  border: none;
}

/* ── Footer ──────────────────────────────────────── */

.footer {
  margin-top: 32px;
  font-size: 13px;
  color: var(--sand);
  text-align: center;
}

/* ── Responsive ──────────────────────────────────── */

@media (max-width: 480px) {
  body {
    padding: 32px 16px 32px;
  }

  .card {
    padding: 36px 24px;
  }

  .logo {
    font-size: 48px;
  }

  .brand {
    font-size: 24px;
  }
}