@charset "utf-8";

.header-container {
    display: flex;
    justify-content: center;
    align-content: space-evenly;
    align-items: flex-end;
    gap: 5rem;
    /* 80px = gap-20 */
    padding-top: 2.5rem;
    /* 40px = py-10 */
    padding-bottom: 2.5rem;
}

.header-logo {
    height: 3.75rem;
    /* 60px = h-15 */
}

/* スマホ対応 (640px以下) */
@media (max-width: 640px) {
    .header-container {
        gap: 2rem;
        /* 32px = gap-8 */
    }

    .header-logo {
        height: 2rem;
        /* 32px = h-8 */
    }
}

footer {
    font-family: "Yu Gothic", "Arial", monospace;
    font-weight: 500;
}

.footer-social {
    background-color: #e5e7eb;
    /* gray-200 */
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    text-align: center;
    gap: 5rem;
    /* gap-20 */
    padding: 1.25rem;
    /* py-5 px-5 */
    margin-top: 2.5rem;
    /* mt-10 */
}

.footer-social>div:first-child {
    text-align: right;
}

.footer-social>div:last-child {
    text-align: left;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    /* gap-16 */
}

.footer-social img {
    display: inline;
    height: 5rem;
    /* h-20 */
}

.footer-social h4 {
    display: inline;
}

.footer-logo {
    background-color: #14532d;
    /* green-900 */
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    text-align: center;
    gap: 2rem;
    /* gap-8 */
    padding: 1.25rem;
}

.footer-logo img {
    height: 2.5rem;
    /* h-10 */
}

.footer-logo a {
    text-align: start;
}

.footer-logo button {
    color: white;
    font-size: 1.5rem;
    /* text-2xl */
    text-align: right;
    background: none;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s;
}

.footer-logo button:hover {
    opacity: 0.8;
}

.footer-copyright {
    background-color: white;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    /* gap-2 */
    padding: 1.25rem;
}

.footer-copyright h5 {
    margin: 0;
}

.footer-copyright small {
    color: #6b7280;
    /* gray-500 */
}

footer h4,
footer p {
    font-size: 1.125rem;
    /* 18px */
    line-height: 1.75rem;
    /* 28px */
    font-weight: bold;
    color: black;
}

footer a {
    font-size: 1rem;
    font-weight: bold;
    color: black;
}

/* レスポンシブ対応 (max-width: 640px) */
@media (max-width: 640px) {
    .footer-social {
        gap: 2rem;
        /* max-sm:gap-8 */
    }

    .footer-social a {
        gap: 2rem;
        /* max-sm:gap-8 */
    }

    .footer-social img {
        height: 2.5rem;
        /* max-sm:h-10 */
    }

    .footer-social h4 {
        font-size: 0.875rem;
        /* max-sm:text-sm */
    }

    .footer-logo img {
        height: 2rem;
        /* max-sm:h-8 */
    }

    footer h4,
    footer p {
        font-size: 1rem;
        /* 16px */
        line-height: 1.5rem;
        /* 24px */
        font-weight: bold;
    }
}