.header {
    display: none;
}
.instructor .k_lesson-main {
    position: relative;
    display: flex;
    justify-content: center;
    margin-top: 65px;
}
.instructor .k_lesson-main-img {
    position: absolute;
    width: 100%;
    height: 580px;
    object-fit: cover;
    object-position: bottom center;
}
.instructor .c-campaign-pc {
    margin-top: 11px;
}
.instructor .inner-les h1 {
    font-family: -apple-system, BlinkMacSystemFont, HiraginoSans-W7, sans-serif;
    font-size: 30px;
    font-weight: 700;
    font-stretch: normal;
    font-style: normal;
    line-height: 37px;
    letter-spacing: 0.75px;
    text-align: center;
    color: #000000;
    padding-top: 49px;
}
.instructor .inner-les h4 {
    font-family: -apple-system, BlinkMacSystemFont, HiraginoSans-W4, sans-serif;
    font-size: 16px;
    font-weight: 400;
    font-stretch: normal;
    font-style: normal;
    line-height: 28px;
    letter-spacing: normal;
    text-align: center;
    color: #000000;
}
.instructor .teacher-txt {
    margin-top: 20px;
}
.instructor .huan-panel {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    margin-top: 23px;
}
.instructor .huan-panel img {
    position: relative;
}
.instructor .arrow {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}
.instructor .mechanism-txt {
    position: relative;
    margin-top: 57.5px;
}
.instructor .mechanism-txt p {
    font-family: -apple-system, BlinkMacSystemFont, HiraginoSans-W7, sans-serif;
    font-size: 36px;
    font-weight: 700;
    font-stretch: normal;
    font-style: normal;
    line-height: 50px;
    letter-spacing: 3.6px;
    text-align: center;
}
.instructor .mechanism-txt-img {
    position: absolute;
    z-index: -1;
    width: 365px;
    height: 421px;
    left: 50%;
    margin-left: -58rem;
    top: -4.5rem;
}
.instructor .tr-img {
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0);
    margin-left: -25.4rem;
    top: -70px;
}
.instructor .tchr-kids {
    position: relative;
    display: grid;
    grid-template-columns: 300px 300px;
    justify-content: center;
    column-gap: 90px;
    margin-top: 95px;
}
.instructor .sts-pc-i1, .inst-pc-i2 {
    width: 300px;
    height: 320px;
    box-shadow: 0 10px 20px 0 rgba(0, 0, 0, 0.16);
    background-color: #ffffff;
    border-top-left-radius: 10px;
    border-bottom-right-radius: 10px;
}
.instructor .buble-img {
    position: absolute;
    width: 215px;
    height: 253px;
    left: 50%;
    margin-left: 16.2rem;
    top: -3rem;
    filter: drop-shadow(0px 5px 10px rgba(0, 0, 0, .1));
    transform: translateZ(0);
    -webkit-filter: drop-shadow(0px 5px 10px rgba(0, 0, 0, .1));
}
.instructor .enjoy-pc-i3 {
    position: relative;
    width: 400px;
    height: 390px;
    box-shadow: 0 10px 20px 0 rgba(0, 0, 0, 0.16);
    background-color: #ffffff;
    border-top-left-radius: 10px;
    border-bottom-right-radius: 10px;
    margin: 70px auto 0;
}
.instructor .mark-pc-i3-img {
    width: 173px;
    position: absolute;
    left: 15px;
    top: 35px;
    transform: translate(-50%, -50%);
}
.instructor .enjoy-pc-i3 .enjoy-button {
    position: absolute;
    top: 325px;
    left: 50%;
    transform: translate(-50%, 0);
    cursor: pointer;
}
.instructor .enjoy-button p {
    font-family: -apple-system, BlinkMacSystemFont, HiraginoSans-W3, sans-serif;
    font-size: 18px;
    font-weight: 300;
    font-stretch: normal;
    font-style: normal;
    line-height: 10px;
    letter-spacing: normal;
    text-align: left;
    color: #ffffff;
    margin-top: 5px;
}
.instructor .dr-text-container {
    display: flex;
    justify-content: center;
    margin-top: 100px;
}
.instructor .dark-text-img2 {
    width: 296px !important;
}
.instructor .free-trial-button {
    position: relative;
    width: 301px;
    height: 60px;
    margin: 8px auto 0;
    border-top-left-radius: 10px;
    border-bottom-right-radius: 10px;
    box-shadow: 0 3px 6px 0 rgb(0 0 0 / 16%);
    border: solid 1px #ffffff;
    background-image: linear-gradient(to right, #8eb8ea 5%, #949ff0 36%, #b591f5 71%, #c997f4 98%);
    cursor: pointer;
}
.instructor .free-trial-button p {
    font-family: -apple-system, BlinkMacSystemFont, HiraginoSans-W6, sans-serif;
    font-size: 18px;
    font-weight: 600;
    font-stretch: normal;
    font-style: normal;
    line-height: 57px;
    letter-spacing: normal;
    text-align: left;
    padding-left: 19px;
    color: #ffffff;
}
.instructor .enjoy-button span::after {
    content: "";
    background: url(/art-college/music/assets/img/pages/tonmana/pc/instructor/1.svg) no-repeat;
    position: absolute;
    width: 51px;
    height: 22px;
    margin-top: -15px;
    left: 50%;
    margin-left: 45.8px;
}
.instructor .free-trial-button span::after {
    content: "";
    background: url(/art-college/music/assets/img/pages/tonmana/pc/instructor/2.svg) no-repeat;
    position: absolute;
    width: 60px;
    height: 25px;
    margin-top: -40px;
    left: 50%;
    margin-left: 90.8px;
}
.instructor .k_lesson-bg-img {
    position: absolute;
    z-index: -1;
}