.sdgs {
    color: #5EBBB0;
    background-color: #E9F4E5;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.125vw;
}


.sdgs img {
    width: 80%;
    margin: auto;
    display: block;
    position: relative;
    z-index: 2;
}

.sdgs .center {
    position: relative;
}

.sdgs .triangle_1 {
    position: absolute;
    bottom: 0;
    left: 0;
    border-bottom: 2vw solid transparent;
    border-top: 2vw solid transparent;
    border-left: 50vw solid #E9F4E5;
}

.sdgs .triangle_2 {
    position: absolute;
    bottom: 0;
    right: 0;
    border-top: 2vw solid transparent;
    border-bottom: 2vw solid transparent;
    border-right: 50vw solid #5EBBB0;
}

.sdgs .triangle_3 {
    position: absolute;
    border-left: 50vw solid transparent;
    border-right: 50vw solid transparent;
    border-bottom: 2vw solid #F9F6F1; /* 三角形の色を変更するには、ここの色を変えてください。 */
    bottom: 0;
    left: 0;
  }

.sdgs .under {
    padding-top: 8%;
    padding-bottom: 10%;
    font-size: 4vw;
    margin: 0;
}

.sdgs .top {
    font-size: 4vw;
    padding-top: 3%;
    padding-bottom: 2%;
}

.sdgsImg.visible {
    z-index: 2;
    animation: rotation 2s;
    animation-fill-mode: forwards;
}

@keyframes rotation{
    0%{ transform:rotate(200);}
    100%{ transform:rotate(360deg); }
  }