.t-treatment {
    width: 95%;
    max-width: 1100px;
    margin: auto;
}
.t-treatment h2 {
    text-align: center;
    margin-bottom: 25px;
}
.treatment-sub {
    text-align: center;
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    font-weight: 500;
}

.symptoms h3 {
    width: fit-content;
    margin-left: 10px;
    font-size: 20px;
    font-weight: 500;
}
.symptoms span {
    color: #FF8001;
    font-size: 10px;
    margin-left: 16px;
}
.color_change {
    color: #FF8001;
    font-size: 34px;
}
.symptoms_item {
    width: 100%;
    padding: 15px 35px;
    background-color: #FAFFF0;
    border-radius: 10px;
}
.symptoms_item p {
    font-weight: 500;
    line-height: 2;
}
.symptoms_item span {
    font-size: 12px;
    margin-left: 0;
    color: #555;
}

.t-flow {
    width: 95%;
    max-width: 1100px;
    margin: auto;
    margin-bottom: 100px;
}
.t-flow h2 {
    text-align: center;
    margin-bottom: 30px;
}

.step_items {
    width: 90%;
    margin: auto;
}
.step {
    width: 58px;
    height: 58px;
    background-color: #40A629;
    color: #fff;
    font-size: 14px;
}
.step strong {
    font-size: 28px;
}
.step_item h3 {
    color: #40A629;
    font-weight: 500;
    margin-bottom: 10px;
    font-size: 22px;
}
.step_head p {
    line-height: 1.8;
    margin-left: 78px;
}
.notes {
    font-weight: 600;
}
.step_head p.caution {
    color: #C93A40;
    border: 1px solid #C93A40;
    padding: 20px;
}
.step_head {
    margin-bottom: 70px;
}

.step_guide {
    display: flex;
    justify-content: center;
}
.step_guide1 {
    width: 25%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-right: 50px;
}
.step_guide1 p {
    text-align: center;
}

.step_guide2 {
    width: 42%;
    margin-left: 50px;
}
.step_guide2 h4 {
    font-size: 18px;
    font-weight:  500;
    margin-left: 5px;
}
.step_guide2 .more {
    margin: 0 auto;
    margin-left: 20px;
}
.step_guide2 p {
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
}

.download {
    position: relative;
    text-align: center;
    color: #FF8001;
    font-size: 20px;
    line-height: 0.7;
    padding: 15px 0;
    border-bottom: 2px solid #FF8001;
    background-color: #FAF2EA;
}
.download span {
    font-size: 10px;
    color: #333333;
}
.dl_icon {
    position: absolute;
    right: 30px;
    top: calc(50%);
    transform: translateY(-50%);
}
.dl_icon img {
    width: 13px;
}

.step_head.step2 {
    margin-bottom: 25px !important;
}
.step2_item p {
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
}

.arrow_bottom {
    position: relative;
    height: 1px;
    background-color: #40A629;
    width: 100%;
}
.arrow_bottom:before {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-top: 15px solid #40A629;  /* 好みで色を変えてください */ 
    border-right: 15px solid transparent;
    border-left: 15px solid transparent;
}

.t-caution {
    width: 80%;
    margin: auto;
}
.t-caution h3 {
    color: #fff;
    text-align: center;
    background-color: #C93A40;
    padding: 10px 0;
    font-size: 18px;
    font-weight: normal;
}
.t-caution ul {
    background-color: #FAEAEB;
    padding: 18px 35px;
}
.t-caution li {
    font-size: 14px;
    line-height: 1.8;
    list-style: disc;
}
.t-caution li a {
    color: #C93A40;
    text-decoration: underline;
}

/* @media screen and (max-width: 767px) { */
@media screen and (max-width: 820px) {
    .t-treatment {
        width: 100%;
        padding: 0 5%;
    }   
    .t-treatment h2 {
        margin-bottom: 15px;
    }
    .color_change {
        font-size: 26px;
    }
    .treatment-sub {
        text-align: center;
        font-size: 14px;
    }
    .symptoms h3 {
        font-size: 18px;
    }
    .symptoms_item p {
        font-size: 14px;
        line-height: 1.8;
    }

    .t-flow {
        width: 100%;
        padding: 0 5%;
    }
    .t-flow h3 {
        font-size: 18px;
    }
    .step_head p {
        font-size: 14px;
        margin-top: 10px;
        margin-left: 0;
    }
    .step_items {
        width: 100%;
        margin: auto;
    }
    .step_guide {
        flex-direction: column;
        align-items: center;
    }
    .step_guide1 {
        width: 100%;
        margin-right: 0;
        margin-bottom: 40px;
    }
    .step_guide2 {
        width: 100%;
        margin-left: 0;
    }

    .t-caution {
        width: 100%;
        margin: auto;
    }
}