.how_to_use {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}
.wrap {
    max-width: 620px;
    margin: 0 auto;
}

.how_to_use h1, .how_to_use h2,.wash h2 {
    color: #333333;
    font-size: 30px;
    text-align: center;
}

img {
    max-width: 100% ;
}

.txt01 {
    max-width: 620px;
    margin: 0 auto;
    text-align: left;
}

.how_to_use .main_ttl {
    margin: 30px auto;
}

.how_to_use .sub-ttl {
    font-weight: bold;
    margin: 0 0 20px 0;
}

.how_to_use .txt01 {
    margin: 0 auto 20px;
}

.category {
    width: 100%;
    border: 1px solid #9f8b86;
    padding: 20px;
    box-sizing: border-box;
    margin: 0 auto;
}

.category h2 {
    text-align: center;
    margin: 0 0 20px 0;
}

.category ul {
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.category ul li {
    width: 40%;
    text-align: left;
    margin: 0 0 20px 0;
}

.category ul li:nth-child(n + 4) {
    margin: 0;
}

.arrow {
    position: relative;
    display: inline-block;
    padding: 0 0 0 16px !important;
    color: #000;
    vertical-align: middle;
    text-decoration: none;
    font-size: 15px;
}

.arrow::before, .arrow::after {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    content: "";
    vertical-align: middle;
}

.arrow::before {
    left: 4px;
    box-sizing: border-box;
    width: 4px;
    height: 4px;
    border: 4px solid transparent;
    border-top: 4px solid #5d4a46;
}

.hajime {
    padding: 50px 0;
}

.hajime .txt01 {
    margin: 30px auto 20px;
    text-align: left;
}

.step {
    /*text-indent: -14px;
    padding: 0 0 0 14px;*/
    text-align: justify;
    text-justify: inter-word;
    margin: 0 0 20px 0;
}

.change h2,.wash h2 {
    margin: 0 0 20px 0;
}

.wash {
    padding: 50px 0;
}

.wash .sub-ttl {
    margin: 0 auto 30px;
}

.must-item h3{
    font-size: 1.35em;
    margin: 0 0 20px 0;
    text-align: center;
}

.process h3 {
    font-size: 1.35em;
    margin: 30px auto 20px;
}

.must-item {
    padding: 30px;
    border: 1px solid #a6a6a6;
}

.must-item .ico-ttl {
    background: #d8c0bf;
    max-width: 220px;
    margin: 0 auto 10px;
    font-size: 1em;
    text-align: center;
    color: #fff;
}

.must-item .list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 20px 0;
}

.must-item .list02 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin: 20px 0;
}

.must-item .list li {
    max-width: 170px;
    width: 33%.33;
    text-align: center;
}
.must-item .list02 li{
    text-align: center;
}

.ioc-step {
    background: #bf77a0;
    color: #fff;
    padding: 5px;
    margin: 0 0 10px 0;
    display: inline-block;
}

.howto-wrap ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.border li:nth-child(1),
.border li:nth-child(2){
border-bottom: 1px solid #ccc;
}

.howto-wrap ul li {
    width: 100%;
    text-align: left;
    padding: 40px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;    
}

.howto-wrap ul li:nth-child(even) {
    flex-direction: row-reverse;
}

.howto-wrap ul li div {
    width: 49%;
}

.howto-wrap ul .img {
    text-align: center;
}

.movie {
    padding: 50px 0;
}

.movie .ex_list2 ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 30px auto 0;
}

.movie .ex_list2 ul li {
    width: 49%;
    margin: 0 0 40px 0;
}

.process .graph ul {
    display: flex;
    flex-wrap: wrap;
    /*justify-content: space-between;*/
    margin: 0 auto 50px;
}

.process .graph ul li{
    width: 7.625rem;
    height: 7.625rem;
    border-radius: 50%;
    margin: 0 20px 10px 0;
    background: #f0dad9;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;    
}

.process .graph ul li:last-child{
    margin: 0;
}

.process .graph ul li p{
    font-weight: bold;
}

.process .graph ul li:after{
    content: "";
    position: absolute;
    right: -10px;
    width: 5px;
    height: 5px;
    border-top: 1px solid #a6a6a6;
    border-right: 1px solid #a6a6a6;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
.process .graph ul li:last-child:after{
    content: none;
}

.howto-wrap ul li .col-1{
    width: 100%;
    margin: 20px auto;
}
.howto-wrap .washlist{
    margin: 20px auto 0;
}
.howto-wrap .washlist li{
    width: 33%;
    margin: 0;
}
.howto-wrap .mark{
    background: #ffe4f3;
}

.howto-wrap .washlist li .name{
    font-weight: bold;
}

.wash-img04 p:first-child{
    width: 76%;;
}
.wash-img04 p:last-child{
    width: 20%;;
}

.sennzai div:nth-child(1){
    width: 59%;
}

.sennzai div:nth-child(2){
    width: 40%;
}
.lace{
    padding: 50px 0;
}
.lace ul,.keep ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 40px auto 0;
}

.lace ul li,.keep ul li{
    width: 49%;
    text-align: left;
    margin: 0 0 20px 0;
}

.keep .name{
    font-weight: bold;
}

.keep .txt{
    text-align: left;
}


@media screen and (max-width:640px) {
    .change .howto-wrap ul li div {
        width: 100%;
    }

    .movie .ex_list2 ul li{
        width: 100%;
    }

    .how_to_use h1, .how_to_use h2, .wash h2{
        font-size: 26px;
    }

    .must-item .list,.must-item .list02{
        justify-content: center;
    }

    .must-item .list li,.must-item .list02 li{
        margin: 0 0 20px 0;
    }

    .howto-wrap ul li div{
        width: 100%;
        margin:0 0 20px 0;
    }
    .howto-wrap .washlist li{
        width: 100%;
        max-width: 200px;
        margin: 0 auto 20px;
    }

    .howto-wrap ul .wash-img04 p{
        width: 100%;
        margin: 0 0 30px 0;
    }
    .howto-wrap ul .wash-img04 p:nth-child(2){
        text-align: center;
    }

    .sennzai div:nth-child(1),.sennzai div:nth-child(2){
        width: 100%;
    }

    .lace ul li, .keep ul li{
        width: 100%;
        margin: 0 0 30px 0;
        text-align: center;
    }

    .process .graph ul li{
        width: 6rem;
        height: 6rem;
    }
    .process .graph ul li p{
        font-size: 12px;
    }



}