.chart-box {
    width: 100%;
}

.chart-box div {
    width: 50%;
    margin: auto;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.border-line {
    border: 1px #666666 solid;
}

.background-color {
    background-color: #ebeaed;
}

.const-box {
    width: 100%;
    padding: 100px;
    display: block;
}

.yellow-line {
    border: 6px yellow solid;
    width: 100%;
}

.line-box01 {
    position: relative;
    width: 50%;
    margin: auto;
    border: 2px #666666 solid;
    padding: 0px;
    text-align: center;
}

.line-box02 {
    position: relative;
    width: 100%;
    margin: auto;
    border: 4px #c6c5c5 solid;
    padding: 50px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    background-color: #fbeed7;
}

.line-box02 img {
    margin: auto;
    max-width: 100%;
    height: auto;
}

h1.constraction {
    font-size: 200%;
}

@media only screen and (max-width: 959px) {
    .const-box {
        width: 100%;
        padding: 10px;
    }

    .line-box01 {
        position: relative;
        width: 100%;
        background-color: red;
    }

    .line-box02 {
        padding: 20px;
    }
}

.top-down {
    animation: come-down-anim 1.5s linear;
}

@keyframes come-down-anim {
    0% {
        transform: translateY(-100px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes be-small-anim {
    0% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.to-small {
    animation: be-small-anim 8s linear;
}

@keyframes be-small-anim {
    0% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.visible-inview {
    opacity: 0;
    transition: transform 0.5s linear;
    animation-duration: 2.5s;
    animation-fill-mode: both;
}

/*　brightness　*/
.effect {
    animation-name: imgbrightness;
    opacity: 1;
    transition: .8s;
}

@keyframes imgbrightness {
    0% {
        opacity: 0;
        filter: brightness(300%);
        /*　明度300%　*/
    }
    100% {
        opacity: 1;
        filter: brightness(100%);
        /*　100%が基準値　*/
    }
}