body {
    width: 100%;
    height: auto;
}

section {
    width: 100%;
    height: 100vh;
    overflow: hidden;
}
.sec03{
    overflow: scroll;
    height: auto;
}

.container {
    width: 100%;
    height: 100%;
    position: relative;
}


/*============================== practice ========================================= */

.circles {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: #a6bba6;
}

.circle {
    position: absolute;
    border-radius: 50%;
}


/* 重要　中心に全てを揃える方法 */
.circle0 {
    width: 1000px;
    height: 1000px;
    margin: -500px 0 0 -500px;
    background-color: rgb(61, 50, 215);
    z-index: 10;
}

.circle1 {
    width: 700px;
    height: 700px;
    margin: -350px 0 0 -350px;
    background-color: green;
    z-index: 10;
}

.circle2 {
    width: 500px;
    height: 500px;
    margin: -250px 0 0 -250px;
    background-color: red;
    z-index: 20;
}

.circle3 {
    width: 300px;
    height: 300px;
    margin: -150px 0 0 -150px;
    background-color: purple;
    z-index: 30;
}

.cursor {
    position: fixed;
    background-color: blue;
    width: 10px;
    height: 10px;
    margin: -5px 0 0 -5px;
    border-radius: 50%;
    user-select: none;
    pointer-events: none;
    z-index: 40;
}

.practice__content {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 50;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: white;
    /* ここが面白い */
    mix-blend-mode: screen;

}

.practice__content h1 {
    font-weight: 800;
    font-size: 9rem;
}



/* ============================================ practice02 ===================================== */

.p02__container{
    position: relative;
}

.p02__hero__content{
    position: relative;
    width: 100%;
    height: 100vh;
}
.p02__hero__content h1{
    position: absolute;
    top:62%;
    left:10%;
    color: white;
    font-size: 8rem;
    z-index: 10;
    text-shadow: 3px 6px 19px rgba(0,0,0,0.3);

}

.image{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 100%;
    height: 60%;
    box-shadow: 0px 6px 21px -12px rgba(0,0,0,0.6);
}

.image::after{
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    opacity: 0.3;
    width: 100%;
    height: 100%;
    background-color: black;
}
.image img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.slider{
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgb(251, 195, 92);
    z-index: -1;
}





/* sec01 */
.content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    position: relative;
}


.title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    color: white;
    opacity: 0;
}

.text {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: white;
    opacity: 0;
}


/* sec02 */

.sec02__content {
    max-width: 500px;
    max-height: 500px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}

.sec02__content__hover{
   max-width: 1000px;
    max-height: 500px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    margin-top: 200px;
}

.block {
    display: flex;
    box-sizing: border-box;
    margin:2px;
    width: 42px;
    height: 42px;
    background-color: #a6bba6;
}

.hoverBlock{
    display: flex;
    box-sizing: border-box;
    margin:2px;
    width: 42px;
    height: 42px;
    background-color: #a6bba6;
    cursor:pointer;
    box-shadow: 0px 0px 21px -6px rgba(0,0,0,0.6);

}

/* ScrollTrigger */
.sbox_group{
    height: 500vh;
}
.sbox{
    width: 100px;
    height: 100px;
    margin-bottom:100px;
    border-radius: 10px;
}

.sbox_batch{
    width: 100px;
    height: 100px;
    margin-bottom:100px;
    border-radius: 10px;
}

.colum{
    display: flex;
    flex-wrap: wrap;
    column-count:3;

    gap: 10px;
}


.a{
    background-color: antiquewhite;
}
.b{
    background-color: aquamarine;
}
.c{
    background-color: black;
}