body {

    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background-color: #fcf9f5;
    color: #5a4a42;
    padding: 50px 10px;
    margin: 0;

}

/*ログインボックス*/
.login_box {
    background: #ffffff;
    padding: 40px 30px;
    max-width: 360px;
    margin: 60px auto;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(220, 200, 185, 0.3);
    text-align: center;
}

.login_box h2 {
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 24px;
    letter-spacing: 0.05em;
    color: #8c7365;
}

.input_group {
    margin-bottom: 20px;
    text-align: left;
}

.input_group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: bold;
    color: #a68c7e;
}

.input_group input {
    width: 100%;
    padding: 12px;
    box-sizing: border-box;
    border: 2px solid #f0e6df;
    border-radius: 12px;
    font-size: 15px;
    color: #5a4a42;
    background-color: #faf8f6;
    outline: none;
    transition: all 0.3s;
}

.input_group input:focus {
    background-color: #e3b59c;
    background-color: #ffffff;
    box-shadow: 0 0 8px rgba(227, 181, 156, 0.2);
}

.btn_login {
    width: 100%;
    padding: 14px;
    background-color: #e3b59c;
    color: #ffffff;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 0.1em;
    box-shadow: 0 4px 10px rgba(227, 181, 156, 0.4);
    transition: all 0.3s;
    margin-top: 10px;
}

.btn_login:hover {
    background-color: #d4a387;
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(227, 181, 156, 0.5);
}