@charset "utf-8";
/*==========================
main
==========================*/
/* articl header */
.article__header {
    padding: 8px 9.73% 60px;
}

.top_mainImage_sp {
    width: 100%;
}

.top_mainImage_pc {
    display: none;
}

.mainTopics {
    width: 127px;
    display: block;
    margin-left: auto;
    padding: 24px 0px 100px;
}

.mainTopics__name {
    font-family: "Urbanist";
    font-size: 3.6rem;
    font-weight: 900;
    line-height: 1;
}

.mainTopics__txt {
    font-family: "Urbanist";
    font-weight: 100;
    text-align: right;
}

.message {
    font-size: 1.4rem;
    line-height: 2.2857;
    margin-bottom: 16px;
}

.topCirxle_btn {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    text-decoration: none;
    position: relative;
}

.btn__text {
    font-family: "Urbanist";
    font-size: 1.4rem;
    margin-right: -16px;
    position: relative;
}

.topCirxle_btn .btn__text::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px; 
    width: 0;
    height: 1px;
    background: #333;
    transition: width 0.3s ease;
}

.topCirxle_btn:hover .btn__text::after {
    width: 100%;
}

.topCirxle_btn.active .btn__text::after {
    width: 100%;
}/* articl header */

/* articl header pc */
@media screen and (min-width:450px) {
    .mainTopics {
        width: 226px;
    }
    
    .mainTopics__name {
        font-size: 6.4rem;
    }

    .mainTopics__txt {
        font-size: 3.2rem;
        line-height: 1.3;
    }
}

@media screen and (min-width:769px) {
    .article__header {
        padding: 0px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .mainVisual {
        display: flex;
        justify-content: space-between;
    }
    
    .top_mainImage_sp {
        display: none;
    }

    .top_mainImage_pc {
        display: block;
        max-width: 70%;
    }

    .mainTopics {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        padding: 0px;
    }

    .message {
        font-size: 1.6rem;
        margin: 100px 0px 0px;
    }

    .topCirxle_btn {
        justify-content: start;
        margin: -40px 0px 100px 290px;
    }
}/* articl header pc */

/* work */
.section--work {
    padding: 60px 6.4% 0px;
}

.work__container {
    margin: 48px 0px 96px;
    display: flex;
    flex-direction: column;
    gap: 96px;
}

.work__type {
    font-size: 1.4rem;
    font-weight: 100;
    margin-top: 8px;
}

.work__item a img {
    transition: filter 0.2s ease; 
  }
  
  .work__item a:hover img {
    filter: brightness(0.5); 
  }/* work */

/* work pc */
@media screen and (min-width:769px) {
    .section--work {
        max-width: 1200px;
        padding: 100px 0px 0px;
        margin: 0 auto;
    }

    .section__topic {
        font-size: 3.6rem;
    }

    .work__container {
        flex-direction: row;
        flex-wrap: wrap;
        max-width: 1200px;
        margin: 64px 0px 0px;
        justify-content: center;
        gap: 11.66%;
    }

    .work__item {
        max-width: 530px;
    }

    .work__type {
        font-size: 1.6rem;
        margin-top: 16px;
    }

    .work__title {
        font-size: 2rem;
        margin-bottom: 128px;
    }
}/* work pc */