:root {
  --bg: #f7f5ef;
  --card: #ffffff;
  --text: #221e1a;
  --muted: #6b6661;
  --line: #e8e2d7;
  --accent: #ffcc4c;
  --error: #c32020;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% -10%, #fff3cd 0%, var(--bg) 40%);
}

.landing {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}

.landing-card {
  width: min(560px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 10px 24px rgba(34, 30, 26, 0.06);
}

h1 {
  margin: 0;
  font-size: 1.7rem;
  line-height: 1.25;
}

.sub {
  margin: 10px 0 18px;
  color: var(--muted);
  line-height: 1.5;
}

.label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 700;
}

textarea {
  width: 100%;
  border: 1px solid #d7d0c4;
  border-radius: 12px;
  padding: 12px;
  resize: vertical;
  font-size: 0.98rem;
  line-height: 1.45;
  color: var(--text);
  background: #fff;
}

textarea:focus {
  outline: 2px solid #f7dc8b;
  border-color: #e6c663;
}

.button-group {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

button {
  width: 100%;
  height: 48px;
  border: 0;
  border-radius: 14px;
  background: var(--accent);
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.error {
  margin: 10px 0 0;
  color: var(--error);
  line-height: 1.45;
}

.hidden {
  display: none;
}