@charset "UTF-8";
body {
	display: none;
}


/* =====
   ヘッダー
===== */
.header {
    position: absolute;
    top: 0;
    z-index: 50;
    inset: 0;
 }

.header__topic {
    color: var(--primary-white  #FEFEFE);
    opacity: 0.9;
}

.toggle_btn span {
    background-color: var(--primary-white  #FEFEFE);
    opacity: 0.9;
}
/* =====
   ヘッダーエンド
===== */



/* =====
   制作理由
===== */
.reason {
    background-image: url(../images/about/art01.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    height: 1240px;
    padding-top: 250px;
    position: relative;
}

.reason__box {
    margin-left: 13.75%;
}
.reason__topic__01 {
    display: flex;
    opacity: 0.9;
}
.reason__topic__01 span {
    color: var(--primary-white);
    font-family: var(--primary-font01);
    font-size: 3rem;
    font-weight: 500;
    opacity: .2;
    transition: opacity .8s ease;
}
.reason__topic__01 span.show {
    opacity: 1;
}
.reason__topic__02 {
    display: flex;
    opacity: 0.9;
}
.reason__topic__02 span {
    color: var(--primary-white);
    font-family: var(--primary-font02);
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 1px;
    margin-top: 2px;
    opacity: .2;
    transition: opacity .8s ease;
}
.reason__topic__02 span.show {
    opacity: 1;
}
.content {
    content: '';
    display: block;
    width: 6px;
}

.reason__txt {
    margin-top: 40px;
}

.reason__txt__01 {
    display: flex;
    opacity: 0.9;
}
.reason__txt__01 span {
    color: var(--primary-white);
    font-family: var(--primary-font01);
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 45px;
    letter-spacing: 2.5px;
    opacity: .2;
    transition: opacity .8s ease;
}
.reason__txt__01 span.show {
    opacity: 1;
}

.reason__txtbox__02 {
    margin-top: 40px;
}
.reason__txt__02 {
    display: flex;
    opacity: 0.9;
}
.reason__txt__02 span {
    color: var(--primary-white);
    font-family: var(--primary-font02);
    font-size: 2.7rem;
    font-weight: 400;
    line-height: 40px;
    letter-spacing: 1px;
    opacity: .2;
    transition: opacity .8s ease;
}
.reason__txt__02 span.show {
    opacity: 1;
}


.reason__cover__pc {
    display: block;
    width: 103%;
    height: auto;
    position: absolute;
    bottom: -3px;
    left: -2px;
}

.reason__cover__sp {
    display: none;
}
@media screen and (max-width: 1280px) {
    .reason {
        width: 100%;
        height: 1100px;  
        padding-top: 190px;      
    }
}

@media screen and (max-width: 1080px) {
    .reason {
        width: 100%;
        height: 930px;  
        padding-top: 190px;      
    }
    .reason__topic__01 span {
        font-size: 2.5rem;
    }
    .reason__topic__02 span {
        font-size: 1.8rem;
    }
    .reason__txt__01 span {
        font-size: 2rem;
        line-height: 1.9;
    }
    .reason__txt__02 span {
        font-size: 2.2rem;
        line-height: 32px;
    }
}

@media screen and (max-width: 769px) {
    .reason {
        width: 100%;
        height: 800px;  
        padding-top: 150px;      
    }
    .reason__box {
        width: 500px;
    }
    .reason__topic__01 span {
        font-size: 2rem;
    }
    .reason__topic__02  span {
        font-size: 1.4rem;
    }
    .reason__txt__01 span {
        font-size: 1.8rem;
        letter-spacing: 0.5px;
        line-height: 1.8;
    }
    .reason__txt__02 span {
        font-size: 2rem;
        line-height: 30px;
    }
}

@media screen and (max-width: 580px) {
    .reason {
        width: 100%;
        height: 775px;  
    }
    .reason__txt {
        margin-top: 25px;
    }
    .reason__box {
        width: 360px;
        margin-left: 5.2%;
    }
    .reason__topic__01 span {
        font-size: 2rem;
    }
    .reason__topic__02 span {
        font-size: 1.2rem;
        margin-top: 1px;
    }
    .reason__txt__01 span {
        font-size: 1.8rem;
        letter-spacing: 0.5px;
        line-height: 1.9;
    }
    .reason__txtbox__02 {
        margin-top: 25px;
    }
    .reason__txt__02 span {
        font-size: 2rem;
        line-height: 28px;
        letter-spacing: 0px;
    }
    .reason__cover__sp {
        display: block;
        width: 103%;
        height: auto;
        position: absolute;
        bottom: -3px;
        left: -2px;
    }
    .reason__cover__pc {
        display: none;
    }
}

@media screen and (max-width: 480px) {
    .reason {
        width: 100%;
        height: 690px;  
        padding-top: 119px;      
    }
    .reason__box {
        width: 330px;
    }
    .reason__topic__01 span {
        font-size: 2rem;
    }
    .reason__topic__02 span {
        font-size: 1.2rem;
        margin-top: 1px;
    }
    .reason__txt__01 span {
        font-size: 1.6rem;
    }
    .reason__txt__02 span {
        font-size: 1.8rem;
        line-height: 25px;
    }
}
/* =====
   制作理由エンド
===== */




/* =====
    作者について
===== */
.biography {
    padding-top: 150px;
}

.biography__topic {
    color: var(--primary-black #454545);
    font-family: var(--primary-font01);
    font-size: 3rem;
    font-weight: 700;
    margin-right: 6.87%;
    position: relative;
    bottom: 22px;
}

.biography__topic span {
    color: var(--primary-black);
    font-family: var(--primary-font02);
    font-size: 2rem;
    font-weight: 600;
    position: relative;
    top: 2px;
}

.biography__box {
    display: flex;
    margin-left: 13.82%;
}

.container__box {
    width: 60%;
}


/* about */
.about__topic {
    color: var(--primary-black);
    font-family: var(--primary-font02);
    font-size: 1.6rem;
    font-weight: 600;
}

.about__topic::before {
    content: '';
    display: inline-block;
    background: #D9D9D9;
    width: 7px;
    height: 7px;
    border-radius: 10px;
    margin-right: 6px;
}

.about__txt {
    color: var(--primary-black);
    font-family: var(--primary-font01);
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 15px;
    line-height: 1.55;
}

.about__line {
    width: 8.373px;
    height: 0.5px;
    background: var(--primary-black);
    margin-top: 10px;
}

.about__txt02 {
    color: var(--primary-black);
    font-family: var(--primary-font02);
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 10px;
    line-height: 1.3;
}


/* exhibition */
.exhibition__box {
    margin-top: 65px;
}

.exhibition__topic {
    color: var(--primary-black);
    font-family: var(--primary-font02);
    font-size: 1.6rem;
    font-weight: 600;
}

.exhibition__topic::before {
    content: '';
    display: inline-block;
    background: #D9D9D9;
    width: 7px;
    height: 7px;
    border-radius: 10px;
    margin-right: 6px;
}

.exhibition__title {
    color: var(--primary-black);
    font-family: var(--primary-font01);
    font-size: 2rem;
    font-weight: 700;
    margin-top: 15px;
}

.exhibition__line {
    width: 8.373px;
    height: 0.5px;
    background: var(--primary-black);
    margin-top: 10px;
}

.exhibition__txt {
    color: var(--primary-black);
    font-family: var(--primary-font01);
    font-size: 1.8rem;
    font-weight: 600;
    margin-top: 10px;
}

.about__img {
    display: flex;
    justify-content: end;
    margin-top: 100px;
}

.img__photo__pc {
    display: block;
    width: 80.55%;
    max-width: 1200px;
    height: auto;
}

.img__photo__sp {
    display: none;
}

@media screen and (max-width: 1120px) {
    .br_1120 {
        display: none;
    }
}

@media screen and (max-width: 1080px) {
    .biography__topic {
        font-size: 2.5rem;
        position: relative;
        bottom: 22px;
    }
    .biography__topic span {
        font-size: 1.6rem;
    }
    .biography__box {
        display: flex;
        margin-left: 13.82%;
    }
}

@media screen and (max-width: 769px) {
    .biography {
        padding-top: 50px;
    }
    .biography__box {
        display: block;
        padding: 0 5.2%;
        margin-left: 0;
    }
    .biography__topic {
        font-size: 2rem;
        margin-right: 0px;
        position: relative;
        bottom: 22px;
    }
    .biography__topic span {
        font-size: 1.4rem;
        font-weight: 600;
        position: relative;
        top: 2px;
    }

    /* about */
    .about__topic {
        font-size: 1.2rem;
    }
    .about__topic::before {
        width: 4px;
        height: 4px;
        border-radius: 10px;
        margin-right: 4.5px;
    }
    .container__box {
        width: 100%;
    }
    .about__txt {
        font-size: 1.4rem;
    }
    .about__txt02 {
        font-size: 1.4rem;
        margin-top: 10px;
    }

    /* exhibition */
    .exhibition__box {
        margin-top: 44px;
    }
    .exhibition__topic {
        font-size: 1.2rem;
    }
    .exhibition__topic::before {
        width: 4px;
        height: 4px;
        border-radius: 10px;
        margin-right: 4.5px;
    }
    .exhibition__title {
        font-size: 1.6rem;
    }
    .exhibition__txt {
        font-size: 1.4rem;
    }
    .about__img {
        display: flex;
        justify-content: end;
        margin-top: 60px;
    }
    .img__photo__pc {
        display: none;
    }
    .img__photo__sp {
        display: block;
        width: 89%;
        height: auto;
    }  
}
/* =====
    作者についてエンド
===== */


/* =====
   コンタクト
===== */
.contact {
    margin: 0 auto;
}

.contact_txt {
    text-align: center;
    font-family: var(--primary-font02);
    font-size: 5rem;
    font-weight: 600;
    background: linear-gradient(to right, #e3e3e3, #C5C4C4, #454545, #232323);
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    animation-name: gradationTextAnimation;
    animation-duration: 8s;
    animation-timing-function: ease-in;
    animation-iteration-count: infinite;
    transition: .6s;
}

.contact_txt:hover {
    opacity: 0.4;
}

@keyframes gradationTextAnimation{
    0%{
        background-position: 0 0;
    }
    50%{
        background-position: 100% 0;
    }
    100%{
        background-position: 0 0;
    }
}

@media screen and (max-width: 1080px) {
    .contact_txt {
        font-size: 4rem;
    }
}

@media screen and (max-width: 769px) {
    .contact_txt {
        font-size: 3rem;
    }
}
/* =====
   コンタクトエンド
===== */


/* =====
   コピー
===== */
.copy {
    padding: 30px 0px;
}


.inview {
    transform: translateY(70px);
    opacity: 0;
    transition: transform 3s, opacity 2s;
  }
  
  .inview.show {
    transform: translateY(0);
    opacity: 1;
  }


.top {
    transform: translateY(70px);
    opacity: 0;
    transition: transform 3s, opacity 4s;
  }
  
.top.open {
    transform: translateY(0);
    opacity: 1;
  }