body {
    user-select: none;
}
button, input {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}
#main {
    margin: 50px;
    text-align: center;
}
.menu_button {
    margin: 0px 15px;
    height: 60px;
    width: 60px;
    background-color: var(--main-color);
    border:none;
    text-align: center;
    padding: 0px;
    border-radius: 10px;
}
.setting_image {
    height: 50px;
    margin:5px 0px;
}
.menu {
    background-color: var(--grey-d-color);
    width: 700px;
    max-height: 350px;
    margin: 50px calc(50vw - 450px);
    padding: 30px 50px;
    border-radius: 30px;
    text-align: left;
    display: none;
    font-size: 25px;
    line-height: 40px;
    input[type=checkbox] {
        margin: 0px 10px;
        box-sizing: border-box;
        border: 1px solid var(--black-color);
        border-radius: 3px;
        height: 30px;
        width: 30px;
        background-color: var(--white-color);
        display: inline-block;
        vertical-align: -7px;
        position: relative;
        -webkit-appearance: none;
        -moz-appearance: none;
            appearance: none;
    }
    input[type=checkbox]:checked:before {
        position: absolute;
        top: 2px;
        left: 9.5px;
        transform: rotate(50deg);
        width: 8px;
        height: 16px;
        border-right:  2px solid var(--black-color);
        border-bottom: 2px solid var(--black-color);
        content: '';
    }
    input[type=number] {
        margin: 0px 10px;
        height: 30px;
        width: 100px;
        background-color: var(--white-color);
        border-radius: 3px;
        border: 1px solid var(--black-color);
        font-size: 20px;
        text-align: center;
        vertical-align: 1px;
    }
    input[type=number]:disabled {
        border: 1px solid var(--grey-d-color);
    }
    input[type=number]:invalid {
        border: 1px solid var(--red-color);
    }
    button {
        margin: 50px 250px 10px 250px;
        height: 50px;
        width: 200px;
        background-color: var(--main-color);
        color: var(--white-color);
        border: none;
        border-radius: 10px;
    }
}
#list_null {
    font-size: 20px;
    text-align: center;
    display: none;
}
#list_null:only-child {
    display: block;
}
#work_space {
    display: none;
}
#work_buttons {
    position: absolute;
    height: calc(100vh - 100px);
    width: 60px;
    left: 15px;
}
#popup_arrow1 {
    position: absolute;
    height: 25px;
    margin: 30px 25px 5px 0px;
    transform: rotate(180deg);
}
#popup_arrow2 {
    height: 25px;
    margin: 5px 0px 30px 25px;
}
#save_button {
    display: none;
}
#close_button_image {
    transform: rotate(45deg);
}
.work_button {
    margin: 15px 0px;
    height: 60px;
    width: 60px;
    background-color: var(--main-color);
    border:none;
    text-align: center;
    padding: 0px;
    border-radius: 10px;
}
#create_space {
    margin: 50px 0px 0px 40px;
    height: calc(100vh - 100px);
    width: calc(100vw - 140px);
    background-color: var(--white-color);
    border: 1px solid var(--black-color);
    box-sizing: border-box;
    overflow: scroll;
    text-align: center;
    align-items: center;
    #big_box {
        margin: calc(1015px + 2px / 3);
        border: .5px solid var(--black-color);
    }
    .box {
        height: 30px;
        width: 30px;
        border: .5px solid var(--black-color);
        display: inline-block;
        position: relative;
    }
    .box.b::before,.box.f::before {
        position: absolute;
        top: 0;
        transform-origin: top left;
        width: 1px;
        height: 43px;
        background-color: var(--black-color);
        content: '';
    }
    .box.b::before {
        left: 0;
        transform: rotate(-45deg) translateX(-.5px);
    }
    .box.f::before {
        right: 0;
        transform: rotate(45deg) translateY(-1px) translateX(.5px);
    }
    .box.green::before {
        background-color: var(--main-dark-color);
    }
    .box.red::before {
        background-color: var(--red-color);
    }
    #big_maru {
        position: static;
        margin: 0px 1000px;
        visibility: hidden;
    }
    .maru {
        visibility: visible;
        height: 20px;
        width: 20px;
        border: .5px solid var(--black-color);
        border-radius: 20px;
        display: inline-block;
        margin: 5px;
        background-color: var(--white-color);
        opacity: 0;
        font-size: 17px;
        line-height: 20px;
        vertical-align: middle;
    }
    #big_maru:not(.play_mode){
        .maru:hover {
            opacity: .3;
        }
        .maru.disp {
            opacity: 0.9999999;
        }
    }
    .maru.disp {
        opacity: 0.9999999;
    }
    .maru.gray {
        background-color: var(--grey-c-color);
    }
    .maru.red {
        color: var(--red-color);
        background-color: var(--pastel-pink-color);
    }
}