* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding-bottom: 40px;
}
.login-container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
}
.login-logo {
    text-align: center;
    margin-bottom: 15px;
}
.login-logo-mark {
    height: 90px;
    width: auto;
    margin-bottom: 10px;
}
.login-logo-text {
    width: 70%;
    max-width: 340px;
    height: auto;
}
.login-box {
    background: #fff;
    border-radius: 12px;
    padding: 0;
    border: 1px solid #BFBFBF;
    box-shadow: none;
    overflow: hidden;
    width: 94%;
    margin: 0 auto;
}
.login-header {
    background-color: #F5F5F5;
    border-bottom: 1px solid #BFBFBF;
    padding: 14px 20px;
    text-align: center;
}
.login-header h2 {
    color: #c41e3a;
    font-size: 18px;
    font-weight: bold;
}
.login-form {
    padding: 28px 20px 25px;
}
.form-group {
    margin-bottom: 16px;
}
.form-group input[type="email"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus {
    border-color: #c41e3a;
}
.form-group input::placeholder {
    color: #aaa;
}
.remember-group {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.remember-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
}
.remember-group label {
    font-size: 14px;
    color: #666;
}
.login-btn {
    width: 100%;
    padding: 14px;
    background-color: #c41e3a;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}
.login-btn:hover {
    background-color: #a01830;
}
.forgot-link {
    display: block;
    text-align: center;
    margin-top: 16px;
    color: #0277F9;
    font-size: 14px;
    text-decoration: none;
}
.forgot-link:hover {
    text-decoration: underline;
}
.error-message {
    background-color: #fee;
    border: 1px solid #fcc;
    color: #c00;
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 14px;
}
.status-message {
    background-color: #efe;
    border: 1px solid #cfc;
    color: #060;
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 14px;
}