@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP&display=swap');

:root {
    --primary-color: #ffff33;

}

body {

    font-family: 'Noto Sans JP', sans-serif;
    margin: 0px;
    color: #333333;
    background-color: #E5E7EB;
}

nav {
    background-color: var(--primary-color);
    text-align: center;
    padding: 1rem;
}

.nav-png {
    max-width: 400px;
    display: block;
    margin: auto;

}

main {
    margin: auto;
    padding: 1rem;
    max-width: 800px;
}

textarea {
    border: 1px solid #333333;
    width: 80%;
    height: 15vh;
    display: block;
    padding: 1rem;
    margin: 1rem;
    font-size: x-large;
    color: #333333;
    background-color: #F3F4F6;
}

button {
    background-color: var(--primary-color);
    border: 1.5px solid #333333;
    margin: 1rem;
    padding: 1rem 1.5rem;
    font-size: large;
}

#output {
    border: 1px solid #333333;
    width: 80%;
    height: 15vh;
    display: block;
    margin: 1rem;
    padding: 1rem;
    background-color: #F3F4f6;
    font-size: larger;
}

footer {
    padding: 1rem;
    background-color: var(--primary-color);
    margin: auto;
    text-align: center;


}