@import url('https://fonts.googleapis.com/css2?family=Sawarabi+Mincho&display=swap');
        body { background-color: #F9F7F2; color: #2D2D2D; font-family: 'Sawarabi Mincho', serif; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; }
.container { background: white; padding: 40px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); width: 300px; }
h1 { font-size: 24px; text-align: center; letter-spacing: 0.2em; margin-bottom: 30px; }
.error { color: #E63946; font-size: 13px; margin-bottom: 15px; text-align: center; }
input { width: 100%; padding: 10px; margin-bottom: 15px; border: 1px solid #ddd; box-sizing: border-box; font-family: inherit; }
button { width: 100%; background: #2D2D2D; color: white; border: none; padding: 12px; cursor: pointer; font-family: inherit; margin-bottom: 15px; }
hr { border: 0; border-top: 1px solid #eee; margin: 25px 0; }
p { font-size: 13px; text-align: center; color: #666; margin-bottom: 10px; }