@charset "utf-8";

:root {
    --theme-color: rgb( 2 116 130 / 1.0 );
    --text-color: #333;
    --btn-border-radius: 4px;
    --btn-bg-color: #4caf50;
}

* {
    box-sizing: border-box;
}

html {
    margin: 0;
    padding: 0;
    width: 100%;
    font-size: 16px;
}

body {
    margin: 0;
    padding: 0;
    width: 100%;
    color: var(--text-color);
    background: #fff;
}



/****************************************
 * 共通部分
 ****************************************/

header {
    margin: 0 auto;
    padding: 0;
    width: 100%;
    min-width: 1200px;
    height: 40px;
    background: #fff;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

header h1 {
    margin: 0 0 0 400px;
    padding: 0;
    width: 400px;
    font-size: 0.9rem;
    font-weight: 400;
    text-align: center;
    flex: 0 0 400px;
}

header nav {
    margin: 0;
    padding: 0;
    width: 400px;
    font-size: 0.9rem;
    font-weight: 400;
    text-align: right;
    flex: 0 0 400px;
}

header .logout {
    padding: 4px 8px;
    color: #fff;
    background: #ccc;
    border-radius: var(--btn-border-radius);
}

main {
    margin: 0 auto;
    padding: 0;
    width: 1200px;
    max-width: 1200px;
    min-width: 1200px;
}

footer {
    margin: 0 auto;
    padding: 0 calc( ( 100% - 1200px ) * 0.5 );
    width: 100%;
    min-width: 1200px;
    height: 30px;
    font-size: 0.8rem;
    background: #fff;
    border-top: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
}

a {
    color: #0000cc;
    text-decoration: none;
}

ul {
    margin: 0.5rem 0;
}

ul li {
    margin: 0.25rem 0;
}

.button {
    transition: 0.5s;
    cursor: pointer;
}

@media ( hover: hover ) {
    .button:hover {
        opacity: 0.5;
    }
}

input[type="submit"] {
    display: block;
    margin: 0;
    padding: 10px 20px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    background: var(--btn-bg-color);
    border: 0;
    outline: 0;
    border-radius: var(--btn-border-radius);
    box-shadow: none;
}

input[type="submit"]:disabled {
    background: #999;
    opacity: 0.5;
    cursor: auto;
}

input[type="reset"] {
    display: block;
    margin: 0;
    padding: 10px 20px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #666;
    background: #eee;
    border: 0;
    outline: 0;
    border-radius: var(--btn-border-radius);
    box-shadow: none;
}

.error-message {
    margin: 2.0rem auto;
    width: max-content;
    padding: 20px;
    background: rgba(255, 0, 0, 0.1);
    border-radius: 10px;
    box-shadow: 0px 0px 3px red;
}