main {
    width: 100%;
    padding: 0px;
}

.environment_content {
    max-width: 1920px;
    margin: 0px auto;
    position: relative;
}

.environment_content_img {
    width: 100%;
}

.environment_content_header {
    width: 500px;
    position: absolute;
    font-weight: bold;
    font-size: 79px;
    color: rgb(255, 255, 255);
    line-height: 90px;
    top: 12%;
    left: 20%;
}

.environment_content_title {
    font-weight: bold;
    font-size: 50px;
    color: rgb(0, 0, 0);
    line-height: 60px;
    width: 42vw;
    margin: 110px auto 20px;
    text-align: center;
}

.environment_content_remoke {
    font-size: 50px;
    line-height: 60px;
    width: 42vw;
    font-weight: 700;
    color: rgb(6, 82, 255);
    text-align: center;
    margin: 0px auto 80px;
}

.environment1 {
    max-width: 1200px;
    margin: 0px auto;
}

.environment1 > img {
    width: 100%;
}

.environment_text {
    max-width: 867px;
    margin: 0px auto;
}

.environment_text_title {
    font-weight: 900;
    font-size: 50px;
    color: rgb(0, 0, 0);
    text-align: center;
    margin: 60px 0px;
}

.environment_text_data {
    font-weight: 400;
    font-size: 16px;
    color: rgb(0, 0, 0);
    margin-bottom: 115px;
}

.environment_text_data p {
    margin-bottom: 40px;
}

.environment2 {
    max-width: 1920px;
    margin: 0px auto;
}

.environment2 img {
    width: 100%;
}

.environment2_img1 {
    display: block;
}

.environment2_img2 {
    display: none;
}

.environment_button_box {
    position: relative;
    max-width: 1920px;
    margin: 0px auto;
}

.environment_button_box > img {
    width: 100%;
}

.environment_button {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgb(255, 255, 255);
    text-align: center;
}

.environment_button_title {
    font-weight: 700;
    font-size: 48px;
}

.environment_button_remoke {
    font-weight: 700;
    font-size: 18px;
    margin: 20px auto 38px;
}

.environment_button_button {
    width: 380px;
    height: 86px;
    background: rgba(254, 254, 254, 0);
    border-radius: 43px;
    border: 2px solid rgb(255, 255, 255);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
}

.environment_button_button_icon {
    width: 41px;
    height: 22px;
    margin-left: 15px;
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center center;
    background-image: url("/myiq/static/img/exceptional_footer_left_box_button_icom.png");
}

@media (max-width: 768px) {
    .environment_button {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        color: rgb(255, 255, 255);
        text-align: center;
        width: 80%;
    }

    .environment_button_box > img {
        width: 100%;
        height: 100%;
    }

    .environment_button_title {
        font-size: 9vw;
    }

    .environment_button_remoke {
        font-size: 4vw;
        margin: 2vw auto 3vw;
    }

    .environment_button_button {
        width: 50vw;
        height: 15vw;
        border-radius: 10vw;
        font-size: 5.5vw;
        margin: 0px auto;
    }

    .environment_button_button_icon {
        width: 8vw;
        height: 4vw;
        margin-left: 4vw;
        background-size: 100%;
    }

    .environment_button_box {
        max-width: 100%;
        margin: 0;
        height: 60vw;
    }

    .environment2_img1 {
        display: none;
    }

    .environment2_img2 {
        display: block;
    }

    .environment2 {
        max-width: 100%;
        margin: 0px 3vw;
    }

    .environment1 {
        margin: 0px 3vw;
    }

    .environment_text {
        max-width: 100%;
        margin: 0px 3vw;
    }

    .environment_text_title {
        font-size: 6vw;
        margin: 5vw 0px;
    }

    .environment_text_data {
        font-weight: 400;
        font-size: 3.5vw;
        margin-bottom: 10vw;
    }

    .environment_text_data p {
        margin-bottom: 5vw;
    }

    .environment_content_header {
        width: 20vw;
        font-size: 5vw;
        line-height: 6vw;
    }

    .environment_content_title {
        font-size: 5vw;
        line-height: 6vw;
        width: 82%;
        margin: 7vw auto 3vw;
    }

    .environment_content_remoke {
        font-size: 5vw;
        line-height: 6vw;
        width: 82%;
        margin: 0px auto 3vw;
    }
}


.bounce {
    transition: all 0.3s ease;
    outline: none;
    position: relative;
    overflow: hidden;
    animation: bounce 3s infinite ease-in-out;
}

@media (hover: hover) and (pointer: fine) {
    .bounce:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }
}

.bounce:active {
    transform: translateY(1px);
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0) scale(0.98);
    }
    50% {
        transform: translateY(-5px) scale(1.02);
    }
}

.bounce::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.bounce:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

.login_start{
    display: block;
    margin-left: 0;
}

.user_info{
    display: none;
}