:root {
    --primary-color: #f43f5e;
    --secondary-color: #fbbf24;
    --accent-color: #8b5cf6;
    --bg-main: #fffdfa;
    --bg-card: #ffffff;
    --text-main: #1f2937;
    --text-dim: #4b5563;
    --accent-gradient: linear-gradient(135deg, #f43f5e 0%, #fbbf24 100%);
    --glass-bg: rgba(0, 0, 0, 0.02);
    --glass-border: rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", "Noto Sans JP", sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Glassmorphism components */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 40px;
  transition: background 0.3s;
}

header.scrolled {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
}

.logo {
  font-size: 24px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lang-switch {
  display: flex;
  gap: 10px;
}

.lang-btn {
  background: none;
  border: 1px solid var(--glass-border);
  color: var(--text-dim);
  padding: 5px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: 0.3s;
}

.lang-btn.active {
  background: var(--accent-gradient);
  color: white;
  border: none;
}

/* Sections */
section {
  padding: 100px 0;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    border-radius: 30px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero::before {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    filter: blur(120px);
    opacity: 0.1;
    top: -200px;
    right: -200px;
    z-index: -1;
}

.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.1;
    color: var(--text-main);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-dim);
    margin-bottom: 40px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    display: inline-block;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 30px rgba(255, 105, 180, 0.3);
    cursor: default;
    opacity: 0.8;
}

.btn-primary:hover {
    transform: none;
    box-shadow: 0 10px 30px rgba(255, 105, 180, 0.3);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.card {
    padding: 0;
    overflow: hidden;
    text-align: left;
    transition: transform 0.3s;
    border: 2px solid #e5e7eb;
    box-shadow: 10px 10px 0px rgba(0,0,0,0.05);
}

.card-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-content {
    padding: 30px;
}

.card:hover {
    transform: translateY(-10px);
}

.card h3 {
    margin: 0 0 15px;
    font-size: 1.5rem;
}

.card p {
  color: var(--text-dim);
}

footer {
  padding: 60px 0;
  text-align: center;
  border-top: 1px solid var(--glass-border);
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .hero-subtitle {
    font-size: 1.1rem;
  }
  header {
    padding: 0 20px;
  }
}