:root {
    --color-primary: #922626;
    --color-accent: #FFCC00;
    --color-red: #FB0102;
    --content-width: 774px;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    line-height: 1.6;
}

.container {
    width: var(--content-width);
    background-color: var(--color-primary);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0 auto;
}

header {
    background-color: var(--color-primary);
    padding: 1rem;
}

.header-logo {
    text-align: right;
    margin-bottom: 0.5rem;
}

.header-logo img {
    max-width: 100%;
    height: auto;
    display: block;
    margin-left: auto;
}

.header-line {
    border: none;
    width: 100%;
}

.header-line-yellow {
    background-color: var(--color-accent);
    height: 3px;
    margin: 0;
}

.header-line-red {
    background-color: var(--color-red);
    height: 5px;
    margin: 0;
}

main {
    background-color: white;
    flex-grow: 1;
    margin: 0.05em 0.05em 0;
}

.content {
    max-width: 750px;
    margin: 0 auto;
}

h1 {
    margin: 0;
    line-height: 1;
}

h3 {
    margin: 2rem 0 1rem;
    line-height: 1;
}

h4 {
    font-size: 1.1rem;
    margin: 1.5rem 0 1rem;
    color: var(--color-primary);
}

.status {
    margin: 1rem 0 2rem;
    font-size: 0.9rem;
}

.status a {
    color: var(--color-primary);
    text-decoration: none;
}

.status a:hover {
    text-decoration: underline;
}

.main2 {
    margin: 0 1rem;
}

@media (max-width: 774px) {
    .container {
        width: 100%;
    }

    .content {
        padding: 1rem;
    }
}