@charset "UTF-8";

body {
    background: var(--thema-color-body);
    --thema-color-body: #fef2eb;
    --thema-color-base-1: #bb777d;
    --thema-color-base-2: #eedcdd;
    --thema-color-base-3: #fdf2f2;
    --thema-color-sub-1: #ebb8b0e6;
    --thema-color-sub-2: #eee7e4;
    --thema-color-text: #a30606;

    height: 100%;
    overflow: auto;
    animation: bg 12s infinite;
}

@keyframes bg {

    0%,
    100% {
        background-color: #e100ff0e;
    }

    25% {
        background-color: #e1ff3617;
    }

    50% {
        background-color: #83f0881c;
    }

    75% {
        background-color: #ffeb361e;
    }
}

/* =======================================================
ふわふわ四角
======================================================= */
.circles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    opacity: 0.2;
}

.circles li {
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: rgb(254, 255, 181);
    animation: animate 25s linear infinite;
    bottom: -150px;
    box-shadow: 0px 0px 100px #ffc400;
}

.circles li:nth-child(1) {
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}

.circles li:nth-child(2) {
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.circles li:nth-child(3) {
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.circles li:nth-child(4) {
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.circles li:nth-child(5) {
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

.circles li:nth-child(6) {
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.circles li:nth-child(7) {
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
}

.circles li:nth-child(8) {
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circles li:nth-child(9) {
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circles li:nth-child(10) {
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
}

@keyframes animate {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }

    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 1000%;
    }
}