* {
    box-sizing: border-box;
}

body {
    font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
    background: #f5f5f7;
    color: #222;
    margin: 0;
    padding: 40px 16px;
}

.container {
    max-width: 560px;
    margin: 0 auto;
    background: #fff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

h1 {
    margin-top: 0;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 6px;
}

.required {
    color: #d33;
    font-size: 0.75rem;
    margin-left: 6px;
    font-weight: normal;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

textarea {
    resize: vertical;
}

button {
    background: #2b6cb0;
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}

button:hover {
    background: #1a4e8a;
}

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-error {
    background: #fde8e8;
    color: #9b1c1c;
}

.alert ul {
    margin: 0;
    padding-left: 20px;
}

.honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
}