* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

/* 섹션1 */
.first-section {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    background-color: #111111;
    aspect-ratio: 7681 / 2256;
}

.first-section .content-container {
    height: calc(100% - 5.5rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.first-section .content-container h1 {
    color: #60E0E0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 3.84rem; /* 5vw */
}

.first-section .content-container p {
    color: white;
    font-family: 'Pretendard', sans-serif;
    font-weight: 500;
    font-size: 2rem; /* 2.5vw */
}

/* 섹션2 */
.second-section {
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 78%;
    max-width: 1536px;
}

.second-section .image-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.second-section .image-container img {
    width: 22.05rem;
    height: auto;
    max-width: 22rem;
    display: block;
}

.second-section .content-container {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.second-section .text-container {
    width: 50%;
    padding: 6rem 5rem 6rem 0;
}

.second-section .text-container p {
    font-size: 1.2rem;
    font-weight: 500;
    font-family: 'Pretendard', sans-serif;
    line-height: 2rem;
    color: #1e1e1e;
}

/* 섹션3 */
.third-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3.75rem;
    width: 78%;
    max-width: 1536px;
    margin: 0 auto;
}

.third-section h2 {
    padding: 1.8rem 0;
}

.third-section ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, auto);
    column-gap: 1.5rem;
    row-gap: 1rem;
    align-items: stretch;
}

.third-section li .image-container {
    min-width: 1.6rem;
}

.third-section li {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 1.25rem;
    width: 100%;
}

.third-section p {
    font-size: 1.2rem; /* 1vw */
    font-weight: 300;
    font-family: 'Pretendard', sans-serif;
    color: #1e1e1e;
}

.third-section .image-container {
    display: flex;
    align-items: center;
    max-width: 537.6px;
}

.third-section .image-container .mint-button {
    width: 1.5rem;
    height: auto;
}

.third-section .image-container img {
    max-width: 100%;
    height: auto;
}

/* 섹션4 */
.fourth-section {
    display: flex;
    gap: 4rem;
    margin: 0 auto;
    width: 80%;
    max-width: 1536px;
    padding: 6.5rem 0;
}

.fourth-section .image-container {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 691.2px;
}

.fourth-section .image-container img {
    width: 36vw;
    max-width: 691.2px;
    height: auto;
}

.fourth-section .content-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
    justify-content: center;
    width: 50%;
}


.fourth-section .content-container p {
    font-size: 1.2rem; /* 1.2vw */
    font-weight: 500;
    font-family: 'Pretendard', sans-serif;
    line-height: 2rem;
    color: #1e1e1e;
}

/* 리스트 영역 */
.fourth-section .content-container ul {
    margin: 0;
    list-style-position: inside;
    padding: 2rem 0 0 1rem;
}

/* 리스트 항목 */
.fourth-section .content-container ul li {
    position: relative;
    font-size: 1.2rem; /* 1vw */
    font-weight: 300;
    font-family: 'Pretendard', sans-serif;
    color: #1e1e1e;
    display: list-item;
}

/* 섹션5 */

.fifth-section {
    display: flex;
    justify-content: center;
}

.fifth-section > img {
    max-width: 1920px;
    height: auto;
    vertical-align: top;
}

.fifth-section .content-container {
    display: none;
}

@media (max-width: 1920px) {
    .fifth-section > img {
        width: 100%;
    }
}

@media (max-width: 1024px) {
    .first-section .content-container h1 {
        font-size: 2rem; /* 5vw */
    }

    .first-section .content-container p {
        font-size: 1rem; /* 2.5vw */
    }

    .second-section,
    .third-section,
    .fourth-section {
        width: 80%;
    }

    .second-section .content-container {
        gap: 1rem;
    }

    .fourth-section {
        gap: 3rem;
    }
}

@media (max-width: 767px) {
    /* 섹션1 */
    .first-section {
        height: 219px;
        width: 100%;
        justify-content: flex-end;
        padding-bottom: 50px;
    }

    .first-section .content-container {
        height: auto;
        gap: 1rem;
    }

    .first-section .content-container h1 {
        text-align: center;
    }

    .first-section .content-container p {
        text-align: center;
    }

    /* 섹션2 */
    .second-section {
        flex-direction: column;
        height: auto;
        padding: 4rem 0 2rem 0;
    }

    .second-section .content-container {
        flex-direction: column;
        gap: 2.4rem;
        padding-right: 0;
    }

    .second-section .image-container img {
        width: 26.175rem;
        max-width: none;
        filter: var(--img-filter);
    }

    .second-section .text-container {
        padding: 0 0 3rem 0;
        width: 100%;
    }

    .second-section .text-container p {
        font-weight: 400;
        line-height: 2.4rem;
        text-align: center;
        color: var(--text-color);
    }

    /* 섹션3 */
    .third-section {
        flex-direction: column-reverse;
        align-items: flex-start;
        gap: 2rem;
        padding: 1rem 0;
    }

    .third-section h2 {
        padding: 1rem 0;
        text-align: left;
        font-size: 2rem;
        color: var(--title-text-color);
    }

    .third-section ul {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }

    .third-section li {
        gap: 1rem;
    }

    .third-section p {
        font-size: 1.3rem;
        color: var(--text-color);
    }

    .third-section .image-container img {
        width: 100%;
    }

    /* 섹션4 */
    .fourth-section {
        flex-direction: column;
        padding: 3rem 0;
    }

    .fourth-section .image-container img {
        width: 100%;
        filter: var(--img-filter-with-text);
    }

    .fourth-section .content-container {
        gap: 1rem;
        align-items: flex-start;
        width: 100%;
    }

    .fourth-section .content-container h2 {
        font-size: 2rem;
    }

    .fourth-section .content-container p {
        font-weight: 400;
        line-height: 2.4rem;
        color: var(--text-color);
    }

    .fourth-section .content-container h2 {
        color: var(--title-text-color);
    }

    .fourth-section .content-container ul {
        width: 100%;
    }

    .fourth-section .content-container ul li {
        font-size: 18px;
        height: auto;
        white-space: normal;
        word-break: break-word;
        overflow-wrap: break-word;
        color: var(--text-color);
    }

    .fourth-section .content-container ul li::before {
        top: 0.15rem;
        font-size: 2rem;
    }

    .fourth-section .text-container {
        font-size: 28px;
    }

    /* 섹션5 */
    .fifth-section {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding-bottom: 5rem;
        margin: 0 auto;
        width: 80%;
        background-color: transparent;
    }

    .fifth-section > img {
        display: none;
        background-color: transparent;
    }

    .fifth-section .content-container {
        display: block;
        padding: 2rem 0;
    }

    .fifth-section h3 {
        position: relative;
        padding: 1rem 0 0.7rem 1rem;
        font-size: 2rem;
        border-left: 5px solid #60E0E0;
    }

    .fifth-section .title-container {
        font-weight: 500;
        font-family: 'Pretendard', sans-serif;
        /*line-height: 1.2rem;*/
        gap: 0.5rem;
        padding: 2rem 0 1.8rem 0;
    }

    .fifth-section .text-container {
        font-weight: 500;
        font-family: 'Pretendard', sans-serif;
        line-height: 2rem;
        gap: 1rem;
        padding-bottom: 2rem;
        font-size: 1.3rem;
        color: var(--text-color);
    }
}

@media (max-width: 425px) {
    .first-section {
        padding-bottom: 60px;
    }

     .second-section {
        padding: 4vw 0;
     }

     .second-section .content-container {
        padding-top: 20px;
     }

     .second-section .image-container img {
       width: 20rem;
       max-width: none;
     }

     .second-section .text-container p {
        font-size: 4vw;
     }

    .third-section h2 {
        font-size: 2rem;
    }

    .fourth-section .content-container p {
        font-size: 4vw;
    }

    .fourth-section .content-container ul li {
        font-size: 3.5vw;
    }

    .fifth-section h3 {
        font-size: 5vw;
    }

    .second-section,
    .third-section,
    .fourth-section {
        width: 90%;
    }

    .second-section .image-container img {
        width: 20rem;
        max-width: none;
    }
}