/*---------------------------------
  タブ
---------------------------------*/
.tab {
    width: 60%;
    margin: auto;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.tab-item {
    width: calc(100%/3);
    height: 40px;
    line-height: 40px;
    text-align: center;
    display: block;
    float: left;
    -webkit-box-ordinal-group: 0;
    -ms-flex-order: -1;
    order: -1;
    cursor: pointer;
    transition: 0.3s;
}
.tab-item:hover {
    opacity: 0.7;
}

.tab-item_inner {
    width: 85%;
    height: 40px;
    margin: 0 auto;
    background-color: #eee;
    font-size: 16px;
    font-family: 'Montserrat', 'Noto Sans JP', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    font-weight: bold;
}

input[name='tab_name'] {
    display: none;
}

input:checked + .tab-item .tab-item_inner {
    background-color: #f9380f;
    color: #fff;
}

input:checked + .tab-item .tab-item_inner::after {
    background-color: #f9380f;
    content: '';
    display: block;
    width: 13px;
    height: 13px;
    -webkit-transform: rotate(-45deg);
        -ms-transform: rotate(-45deg);
            transform: rotate(-45deg);
    position: relative;
    top: -10px;
    left: 47%;
}

input:checked + .tab-item {
    cursor: default;
}
input:checked + .tab-item:hover {
    opacity: 1.0;
}



.content_class {
    display: none;
    width: 100%;
}

input:checked + .tab-item + .content_class {
    display: block;
}

/* タブクリック時のアニメーション */
.fadeout {
    -webkit-animation-name: fadeout;
            animation-name: fadeout;
    -webkit-animation-duration: 2s;
            animation-duration: 2s;
}
@-webkit-keyframes fadeout {
    from {
        opacity: 1;
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
    to {
        opacity: 0;
        -webkit-transform: translateY(20px);
                transform: translateY(20px);
    }
}
@keyframes fadeout {
    from {
        opacity: 1;
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
    to {
        opacity: 0;
        -webkit-transform: translateY(20px);
                transform: translateY(20px);
    }
}
.fadein {
    -webkit-animation-name: fadein;
            animation-name: fadein;
    -webkit-animation-duration: 2s;
            animation-duration: 2s;
}
@-webkit-keyframes fadein {
    from {
        opacity: 0;
        -webkit-transform: translateY(20px);
                transform: translateY(20px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
}
@keyframes fadein {
    from {
        opacity: 0;
        -webkit-transform: translateY(20px);
                transform: translateY(20px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
}

@media screen and (max-width: 767px) {
    .tab {
        width: 100%;
    }

    .tab-item {
        height: 35px;
        line-height: 35px;
    }

    .tab-item_inner {
        height: 35px;
    }

    input:checked + .tab-item .tab-item_inner::after {
        width: 12px;
        height: 12px;
        top: -9px;
        left: 43%;
    }
}

/*---------------------------------
  ポートフォリオ
---------------------------------*/
.portfolio-content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -ms-flex-pack: distribute;
    justify-content: space-between;
    margin: 40px 0;
}
.portfolio-item {
    width: 30%;
    margin-bottom: 30px;
    overflow-wrap: anywhere;
}
.portfolio-content::after {
    display: block;
    content: '';
    width: 30%;
}

.portfolio-img {
    border: solid 3px #eee;
}

.portfolio-img img {
    width: 100%;
}

.portfolio-title {
    font-size: 18px;
    font-weight: bold;
    margin: 1em 0 .3em;
}

.portfolio-text {
    margin: .6em 0 !important;
}

.portfolio-img a {
    transition: 0.3s;
    display: block;
    height: 170px;
    text-align: center;
    vertical-align: middle;
    background: #fff;
    position: relative;
    text-align: center;
}
.portfolio-img a:hover {
    opacity: 0.7;
}
.portfolio-img a span {
    left: 50%;
    position: absolute;
    top: 50%;
}
.portfolio-item a img {
    transform: translate(-50%,-50%);
    width: 140%;
    padding: 10px 0;
}
.portfolio-url a {
    color: #222;
}
.portfolio-url a:hover {
    text-decoration: underline;
}

@media screen and (max-width: 767px) {
    .portfolio-item {
        width: 46%;
        height: auto;
        margin-left: 2%;
        margin-right: 2%;
        margin-bottom: 30px;
    }
    .portfolio-item:nth-child(2n) {
        margin-right: 0;
    }

    .portfolio-img a {
        height: 110px;
    }

    .portfolio-title {
        font-size: 14px;
    }

    .portfolio-url {
        font-size: 11px;
    }

    .portfolio-text {
        font-size: 11px !important;
        line-height: 1.7 !important;
    }
}