/* 以下 Every Layout */

.stack {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.stack > * {
    margin-top: 0;
    margin-bottom: 0;
}

.stack > * + * {
    margin-top: 1.5rem;
}

.stack-large > * + * {
    margin-top: 3rem;
}

.stack-small > * + * {
    margin-top: 0.5rem;
}

.cluster {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space, 1rem);
    align-items: center;
}

.center {
    box-sizing: content-box;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ここまで every layout */