.chart {
    position: relative;
    margin-bottom: 8em;
}

.chart .step {
    margin-top: 2em;
}

.chart .step+.step {
    margin-top: 6em;
}

.chart .step.last .circle::after {
    display: none;
}

.chart .step .title {
    line-height: 1.5em;
    font-weight: bold;
    position: absolute;
    margin: 0.5em 0 0 0.5em;
}

.chart .step .title .baloon {
    font-weight: normal;
    margin-top: 0.75em;
    color: white;
    background-color: #0094D1;
    padding: 0.5em 1em;
    position: relative;
    font-size: 0.85em;
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
}

.chart .step .title .baloon::before {
    content: "";
    position: absolute;
    top: -25px;
    left: 20px;
    margin-left: -15px;
    border: 15px solid transparent;
    border-bottom: 15px solid #0094D1;
}

.chart .step>div:first-child {
    position: static;
    height: 0;
}

.chart .step>div:not(:first-child) {
    margin-left: 1.5em;
    padding-left: 1em;
}

.chart .step>div .circle {
    position: relative;
    width: 1.5em;
    height: 1.5em;
    line-height: 1.5em;
}

.chart .step>div .circle::before {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    background: #0094D1;
    border: solid 3px #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 5px;
    left: 5px;
    box-shadow: 0 0 0 2px #0094D1;
}

.chart .step>div .circle::after {
    content: " ";
    position: absolute;
    display: block;
    top: 1px;
    right: 50%;
    bottom: 1px;
    left: 60%;
    height: 190%;
    width: 1px;
    transform: scale(1, 2.15);
    transform-origin: 50% -30%;
    background-color: rgba(0, 0, 0, 0.25);
    z-index: -1;
}

.chart .labo-1,
.chart .labo-2 {
    position: absolute;
}

.chart .labo-1 {
    left: 30%;
    top: 10%;
}

.chart .labo-2 {
    left: 40%;
    top: 55%;
}

.chart {
    position: relative;
}

.chart .step {
    margin-top: 2em;
}

.chart .step+.step {
    margin-top: 6em;
}

.chart .step.last .circle::after {
    display: none;
}

.chart .step .title {
    line-height: 1.5em;
    font-weight: bold;
    position: absolute;
}

.chart .step .title .baloon {
    font-weight: normal;
    margin-top: 0.75em;
    color: white;
    background-color: #0094D1;
    padding: 0.5em 1em;
    position: relative;
    font-size: 0.85em;
    width: fit-content;
}

.chart .step .title .baloon::before {
    content: "";
    position: absolute;
    top: -25px;
    left: 20px;
    margin-left: -15px;
    border: 15px solid transparent;
    border-bottom: 15px solid #0094D1;
}

.chart .step>div:first-child {
    position: static;
    height: 0;
}

.chart .step>div:not(:first-child) {
    margin-left: 1.5em;
    padding-left: 1em;
}

.chart .step>div .circle {
    position: relative;
    width: 1.5em;
    height: 1.5em;
    line-height: 1.5em;
}

.chart .step>div .circle::before {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    background: #0094D1;
    border: solid 3px #ffffff;
    border-radius: 50%;
    position: absolute;
    top: 5px;
    left: 5px;
    box-shadow: 0 0 0 2px #0094D1;
}

.chart .step>div .circle::after {
    content: " ";
    position: absolute;
    display: block;
    top: 1px;
    right: 50%;
    bottom: 1px;
    left: 50%;
    height: 190%;
    width: 1px;
    transform: scale(1, 2.15);
    transform-origin: 50% -30%;
    background-color: rgba(0, 0, 0, 0.25);
    z-index: -1;
}

.chart .labo-1,
.chart .labo-2 {
    position: absolute;
    border: 1px solid #aaa;
    padding: 1px;
    width: fit-content;
}

@media screen and (max-width: 840px) {

    .chart .labo-1,
    .chart .labo-2 {
        position: static;
    }
}

.chart .labo-1 {
    left: 35%;
    top: 20%;
}

@media screen and (max-width: 1550px) {
    .chart .labo-1 {
        left: 55%;
    }
}

@media screen and (max-width: 840px) {
    .chart .labo-1 {
        margin: 120px auto 0 auto;
    }
}

.chart .labo-2 {
    left: 45%;
    top: 55%;
}

@media screen and (max-width: 1550px) {
    .chart .labo-2 {
        left: 65%;
    }
}

@media screen and (max-width: 840px) {
    .chart .labo-2 {
        margin: 20px auto 0 auto;
    }
}