.d-first-img-bg-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: none;
    background-image: url("/assets/img/index_assets/phage_main.png");
    aspect-ratio: 1398/910;
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    height: auto;
    box-shadow: 0px 12px 20px rgba(0, 0, 0, 0.55),
        0px -12px 20px rgba(0, 0, 0, 0.55);
}

.d-first-title-text {
    color: white;
    text-decoration: none;
    text-align: center;
    font-size: 4.2vw;
    width: 50vw;
}

.d-first-main-text {
    color: white;
    text-decoration: none;
    text-align: center;
    font-size: 2.3vw;
    width: 57vw;
    margin-top: 1.5vw;
}

.d-first-button {
    color: white;
    text-decoration: none;
    text-align: center;
    font-size: 2vw;
    width: auto;
    padding: 0.3vw 2vw 0.3vw 2vw;
    border-radius: 4vw;
    letter-spacing: 0.3vw;
    border: 0.3vw solid white;
    margin-top: 2vw;
}

.d-first-button:hover {
    color: #039ECB;
    border-color: #039ECB;
}

.d-second-line {
    border: 0.1vw solid #4B4F50;
    width: 50vw;
    margin-top: 5vw;
    margin-bottom: 3vw;
}

.d-third-flex-container {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin-top: 5vw;
    margin-bottom: 2vw;
}

.d-third-circle-one {
    border-radius: 50%;
    width: 17vw;
    height: 17vw;
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: none;
    background-image: url("/assets/img/index_assets/circle_1.jpg");
    aspect-ratio: 1024/1024;
    background-size: cover;
    background-repeat: no-repeat;
    text-decoration: none;
    margin-left: 2vw;
    margin-right: 2vw;
}

.d-third-circle-two {
    border-radius: 50%;
    width: 17vw;
    height: 17vw;
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: none;
    background-image: url("/assets/img/index_assets/circle_2.jpg");
    aspect-ratio: 2832/3965;
    background-size: cover;
    background-repeat: no-repeat;
    text-decoration: none;
    margin-left: 2vw;
    margin-right: 2vw;
}

.d-third-circle-three {
    border-radius: 50%;
    width: 17vw;
    height: 17vw;
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: none;
    background-image: url("/assets/img/index_assets/circle_3.jpg");
    aspect-ratio: 3744/5648;
    background-size: cover;
    background-repeat: no-repeat;
    text-decoration: none;
    margin-left: 2vw;
    margin-right: 2vw;
}

.d-third-circle-text {
    color: white;
    font-size: 2vw;
    letter-spacing: 0.2vw;
    line-height: 2.5vw;
    text-align: center;
    font-weight: bold;
}

.d-third-circle-one:hover>span {
    color: #039ECB;
}

.d-third-circle-two:hover>span {
    color: #039ECB;
}

.d-third-circle-three:hover>span {
    color: #039ECB;
}





.m-first-img-bg-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: none;
    background-image: url("/assets/img/m_index/m_first_img.png");
    aspect-ratio: 360/270;
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    height: auto;
}

.m-first-title-text {
    color: white;
    text-decoration: none;
    text-align: center;
    font-size: 7vw;
    width: 52vw;
}

.m-first-main-text {
    color: white;
    text-decoration: none;
    text-align: center;
    font-size: 4.7vw;
    width: 76vw;
    margin-top: 5vw;
}

.m-first-button {
    color: white;
    text-decoration: none;
    text-align: center;
    font-size: 6vw;
    width: auto;
    padding: 0.3vw 4vw 0.3vw 4vw;
    border-radius: 4vw;
    letter-spacing: 0.3vw;
    border: 0.8vw solid white;
    margin-top: 4vw;
}

.m-first-button:hover {
    color: #039ECB;
    border-color: #039ECB;
}


.m-second-line {
    border: 0.3vw solid #4B4F50;
    width: 22vw;
    margin-top: 7vw;
}

.m-third-flex-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 8vw;
    margin-bottom: 8vw;
}

.m-third-circle-one {
    border-radius: 50%;
    width: 58vw;
    height: 58vw;
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: none;
    background-image: url("/assets/img/index_assets/circle_1.jpg");
    aspect-ratio: 1024/1024;
    background-size: cover;
    background-repeat: no-repeat;
    text-decoration: none;
    margin-left: 2vw;
    margin-right: 2vw;
    margin-bottom: 8vw;
}

.m-third-circle-two {
    border-radius: 50%;
    width: 58vw;
    height: 58vw;
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: none;
    background-image: url("/assets/img/index_assets/circle_2.jpg");
    aspect-ratio: 2832/3965;
    background-size: cover;
    background-repeat: no-repeat;
    text-decoration: none;
    margin-left: 2vw;
    margin-right: 2vw;
    margin-bottom: 8vw;
}

.m-third-circle-three {
    border-radius: 50%;
    width: 58vw;
    height: 58vw;
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: none;
    background-image: url("/assets/img/index_assets/circle_3.jpg");
    aspect-ratio: 3744/5648;
    background-size: cover;
    background-repeat: no-repeat;
    text-decoration: none;
    margin-left: 2vw;
    margin-right: 2vw;
}

.m-third-circle-text {
    color: white;
    font-size: 7vw;
    letter-spacing: 0.9vw;
    line-height: 8vw;
    text-align: center;
    font-weight: bold;
}

.m-third-circle-one:hover>span {
    color: #039ECB;
}

.m-third-circle-two:hover>span {
    color: #039ECB;
}

.m-third-circle-three:hover>span {
    color: #039ECB;
}

.m-fourth-line {
    border: 0.3vw solid #4B4F50;
    width: 22vw;
    margin-bottom: 8vw;
}