:root {
  --color-primary: #ff8a65;
  --color-primary-dark: #f4511e;
  --color-accent: #ffd54f;
  --color-bg: #fffaf3;
  --color-text: #4a3f35;
  --color-card-bg: #ffffff;
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
}

.header {
  position: sticky;
  top: 0;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  z-index: 10;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--color-primary-dark);
}

.lang-switch {
  display: flex;
  gap: 8px;
}

.lang-btn {
  border: 2px solid var(--color-primary);
  background: #fff;
  color: var(--color-primary-dark);
  border-radius: 999px;
  padding: 4px 12px;
  cursor: pointer;
  font-weight: bold;
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero {
  text-align: center;
  padding: 64px 20px;
}

.hero h1 {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 28px;
}

.cta-button {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(244, 81, 30, 0.3);
  transition: transform 0.15s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  background: var(--color-primary-dark);
}

.features {
  padding: 40px 0;
  text-align: center;
}

.features h2,
.access h2,
.download h2 {
  color: var(--color-primary-dark);
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.card .icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.access {
  text-align: center;
  padding: 40px 0;
}

.map-placeholder {
  margin-top: 16px;
  height: 200px;
  background: #f0e6da;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a3927e;
}

.download {
  text-align: center;
  padding: 48px 20px 64px;
  background: var(--color-accent);
  border-radius: var(--radius);
  margin: 40px 0;
}

.footer {
  text-align: center;
  padding: 24px 20px;
  color: #a3927e;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    gap: 8px;
  }
  .hero h1 {
    font-size: 1.5rem;
  }
}