main {
    width: 50%;
    margin: 0 auto;
    text-align: center;
    padding-top: 5%;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-width: calc(2 * 123px + 12px);
    margin: 0 auto 30px;
    padding: 0;
}

.image-item img {
    width: 123px;
    height: 91px;
    object-fit: contain;
    border: none;
    box-sizing: content-box;
}

.intro-section {
    max-width: 80%;
    margin: 0 auto 30px;
    padding: 0;
    line-height: 25px;
    background-color: transparent;
    border: none;
}

.intro-text {
    font-size: 14px;
    font-weight: normal;
    color: #374151;
    margin: 0;
    padding: 0;
}

.links-section {
    margin: 0 auto 30px;
    display: flex;
    justify-content: center;
    gap: 18px;
}

.link-button {
    padding: 4px 8px;
    background-color: transparent;
    color: #4A8082;
    text-decoration: none;
    font-size: 18px;
    font-weight: 800;
    border: none;
    border-radius: 0;
    box-shadow: none;
    transition: all 0.3s ease;
}

.link-button:hover {
    color: #5D8AA8;
    background-color: transparent;
    transform: none;
    box-shadow: none;
}

.note {
    font-size: 1.2em;
    font-weight: 500;
    color: #374151;
    margin: 0;
    padding: 0 0 5% 0;
    border: none;
    background-color: transparent;
}


@media screen and (max-width: 768px) {
    main {
        width: 90%;
        padding-top: 8%;
    }

    .image-grid {
        max-width: calc(2 * 123px + 12px);
        gap: calc(12px - 2px);
    }

    .intro-section {
        max-width: 95%;
        line-height: 22px;
    }

    .intro-text {
        font-size: 13px;
    }

    .link-button {
        font-size: 16px;
    }

    .note {
        font-size: 14px;
        padding-bottom: 8%;
    }
}

@media screen and (max-width: 375px) {
    .image-grid {
        max-width: calc(2 * 123px + 12px);
        gap: calc(12px - 4px);
    }

    .links-section {
        gap: 12px;
    }

    .link-button {
        font-size: 15px;
    }
}