body {
}
main {
    position: relative;
}
.decorative-squares > div[class^="square"] {
    z-index: -1;
}
.decorative-squares .square-1 {
    position: absolute;
    width: 60px;
    height: 60px;
    top: 450px;
    right: 10%;
    background-color: #99CEDD;
}
.decorative-squares .square-2 {
    position: absolute;
    width: 60px;
    height: 60px;
    top: 510px;
    right: calc(10% + 60px);
    background-color: #FBD1D3;
}
.decorative-squares .square-3 {
    position: absolute;
    width: 130px;
    height: 130px;
    top: 1000px;
    left: 0;
    background-color: #9BB7C0;
}
.decorative-squares .square-4 {
    position: absolute;
    width: 60px;
    height: 60px;
    top: 1130px;
    left: 130px;
    background-color: #A4A78D;
}
.decorative-squares .square-5 {
    position: absolute;
    width: 60px;
    height: 60px;
    top: 1190px;
    left: 190px;
    background-color: #99CEDD;
}
.decorative-squares .square-6 {
    position: absolute;
    width: 130px;
    height: 130px;
    top: 1020px;
    right: 0;
    background-color: #BDD69D;
}
.decorative-squares .square-7 {
    position: absolute;
    width: 130px;
    height: 130px;
    top: 1150px;
    right: 130px;
    background-color: #347774;
}
.container {
    margin: 200px auto 0;
    text-align: center;
}

.container h1 {
    font-size: 3.2rem;
}

.container .logo-container {
    margin-top: 30px;
}
.container .description {
    margin-top: 120px;
    font-size: 2.4rem;
}
.container .logo-container + .description {
    font-family: 'Noto Sans JP', sans-serif;
}

.container .button-wrapper {
    margin-top: 80px;
}
.container .button-wrapper p {
    font-size: 1.6rem;
}
.container .button-wrapper .biare-button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    background-color: #2C2C2C;
    color: white;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
    min-width: 180px;
}

.container .button-wrapper .biare-button:hover {
    background-color: #1a1a1a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.container .button-wrapper .biare-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.container .button-wrapper .button-text {
    flex-grow: 1;
    text-align: left;
}

.container .button-wrapper .arrow-circle {
    width: 24px;
    height: 24px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

.container .button-wrapper.biare-button:hover .arrow-circle {
    transform: translateX(3px);
}

.container .button-wrapper .arrow {
    width: 10px;
    height: 10px;
    border-right: 2px solid #2B2B2B;
    border-bottom: 2px solid #2B2B2B;
    transform: rotate(-45deg);
    margin-left: -4px;
}
.contents-section {
    margin-top: 300px;
}
@media screen and (max-width: 768px) {
    .container {
        width: 90%;
        letter-spacing: -0.15em;
    }
    .container .description {
        font-size: 1.6rem;
        letter-spacing: -0.01em;
    }
    .decorative-squares .square-1 {
        position: absolute;
        width: 30px;
        height: 30px;
        top: 300px;
        right: 10%;
        background-color: #99CEDD;
    }
    .decorative-squares .square-2 {
        position: absolute;
        width: 30px;
        height: 30px;
        top: 330px;
        right: calc(10% + 30px);
        background-color: #FBD1D3;
    }
    .decorative-squares .square-3 {
        position: absolute;
        width: 65px;
        height: 65px;
        top: unset;
        bottom: 700px;
        left: 0;
        background-color: #9BB7C0;
    }
    .decorative-squares .square-4 {
        position: absolute;
        width: 30px;
        height: 30px;
        top: unset;
        bottom: 670px;
        left: 65px;
        background-color: #A4A78D;
    }
    .decorative-squares .square-5 {
        position: absolute;
        width: 30px;
        height: 30px;
        top: unset;
        bottom: 640px;
        left: 95px;
        background-color: #99CEDD;
    }
    .decorative-squares .square-6 {
        position: absolute;
        width: 65px;
        height: 65px;
        top: unset;
        bottom: 680px;
        right: 0;
        background-color: #BDD69D;
    }
    .decorative-squares .square-7 {
        position: absolute;
        width: 65px;
        height: 65px;
        top: unset;
        bottom: 615px;
        right: 65px;
        background-color: #347774;
    }
}