@charset "utf-8";
/*==========================
common
==========================*/
:root {
    --primary-white: #FFFFFF;
    --primary-black: #000;;
    --primary-txtBlack: #1E1E1E;;
    --primary-gray: #9C9C9C;
    --primary-txtGray: #5A5A5A;
    --primary-lightGray: #D7D7D7;
}

html {
    font-size: 62.5%;
}

body {
    font-family:
        'Shippori Mincho',
        'Noto Serif JP',
        Arial,
        sans-serif;
    font-style: normal;
    color: var(--primary-txtBlack, #1D1D1D);
}
img {
    max-width: 100%;
    height: auto;
}

.section {
    margin: 60px 8% 0;
}

.mainTopic {
    font-size: 2.8rem;
    font-weight: 500;
}

.subTopic {
    color: var(--primary-gray, #9C9C9C);
    font-size: 1.8rem;
    font-weight: 400;
    margin-top: 10px;
}

.mainCaption__txt {
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.7;
    margin: 0 auto;
}

.mail__center {
    text-align: center;
}

.mail {
    display: inline-block;
    border-bottom: #000 solid 1px;
}

/*==========================
fadeIn
==========================*/
.fadeIn {
    transform: translate(0, 50px);
    opacity: 0;
    transition: 0.6s;
}

.fadeIn.animated {
    transform: translate(0, 0);
    opacity: 1;
}

.fadeIn1 {
    filter: blur(4px);
    opacity: 0;
    transition: 1s;
}

.fadeIn1.animated {
    filter: blur(0);
    opacity: 1;
}

.fadeIn2 {
    transform: translate(0, 50px);
    opacity: 0;
    transition: 1.2s;
}

.fadeIn2.animated {
    transform: translate(0, 0);
    opacity: 1;
}

.fadeIn3 {
    transform: translate(0, 50px);
    opacity: 0;
    transition: 1.4s;
}

.fadeIn3.animated {
    transform: translate(0, 0);
    opacity: 1;
}

/*==========================
scrollTop
==========================*/
.topBtn {
    display: inline-block;
    padding: 25px 19px;
    border-radius: 50%;
    background-color: var(--primary-black);
    color: var(--primary-white);
    font-size: 1.4rem;
    font-weight: 500;
    position: fixed;
    right: 1.4%;
    bottom: 1.4%;
}

/* common pc */
@media screen and (min-width:769px) {
   .section {
        margin: 150px 6.7% 0;
    }

    .mainTopic {
        font-size: 4vw;
    }

    .subTopic {
        margin-top: 20px;
        font-size: 2.8vw;
    }

    .mainCaption__txt {
        font-size: 1.2vw;
        line-height: 1.7;
    }

    .mail__center {
       text-align: left;
    }

    .pcBr {
        display: block;
    }

    .spBr {
        display: none;
    }

    /*==========================
    scrollTop
    ==========================*/
    .topBtn {
        padding: 39px 30px;
        font-size: 2.4rem;
        right: 2%;
        bottom: 2%;
    }

}/* pc 769px */

/*==========================
header
==========================*/
.header {
    display: flex;
    justify-content: space-between;
    margin: 20px 8% 0;
}

.header__topic,
.nav__topic {
    font-size: 2.4rem;
    font-weight: 600;
}

/* .nav初期表示 */
.nav {
    background-image: url(../images/bg.jpg);
    background-color:rgba(255,255,255,0.6);
    background-blend-mode:lighten;
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transform: translateX(100%);
    transition: transform 0.4s;
}

.nav__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 8% 0;
}

.nav__list {
    margin-top: 80px;
}

.nav__item {
    animation: slideInRight 1s ease-out forwards;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.nav__item a {
    display: block;
    font-size: 2rem;
    font-weight: 600;
    margin: 60px 8% 0;
}

.nav__item a::before {
    content: '';
    display: inline-block;
    width: 50px;
    height: 1px;
    background-color: var(--primary-black);
    margin-right: 10px;
}

.mail--nav {
    color: var(--primary-black);
    font-size: 2.4rem;
    font-weight: 400;
    margin-top: 100px;
}

/* .nav.active表示 */
.nav.active {
    transform: translateX(0);
}

/*=============================
.btn-trigger
=============================*/
.btn-trigger {
    width: 30px;
    height: 0;
    cursor: pointer;
    z-index: 200;
}

.btn-trigger span {
    width: 100%;
    height: 0.5px;
    background-color: var(--primary-black);
    position: relative;
}

.btn-trigger span::before {
    content: '';
    width: 2px;
    height: 2px;
    position: absolute;
    top: -100%;
    left: 0;
    background-color: var(--primary-black);
    transform: rotate(45deg);
}

.btn-trigger span::after {
    content: '';
    width: 2px;
    height: 2px;
    position: absolute;
    top: -100%;
    right: 0;
    background-color: var(--primary-black);
    transform: rotate(45deg);
}

.btn-trigger, .btn-trigger span, .btn-trigger span::before {
    display: inline-block;
    transition: all .5s;
    box-sizing: border-box;
}

.btn-trigger span:first-of-type {
    top: 0;
}

.btn-trigger span:last-of-type {
    bottom: 0;
}

/*=============================
#btn01
=============================*/
#btn01.active span:nth-of-type(1) {
    -webkit-transform: translateY(6px) rotate(-30deg);
    transform: translateY(6px) rotate(-30deg);
}

#btn01.active span:nth-of-type(2) {
    -webkit-transform: translateY(-6px) rotate(30deg);
    transform: translateY(-6px) rotate(30deg);
}

/* header pc */
@media screen and (min-width:769px) {
    .header {
        justify-content: space-between;
        align-items: center;
        margin: 60px 6.7% 0;
    }

    .header__topic {
        font-size: 2.3vw;
    }

    .nav__header,
    .nav__btn,
    .mail--nav,
    .nav__item a::before {
        display: none;
    }
    
    .nav {
        background: transparent;
        width: auto;
        height: auto;
        position: static;
        transform: translate(0);
    }

    .nav__list {
        margin-top: 0;
        display: flex;
        align-items: center;
    }

    .nav__item a {
        font-size: 2.3vw;
        margin: 0 0 0 70px;
    }

    .header__btn {
        display: none;
    }

}/* pc 769px */

/*==========================
about
==========================*/
.img__center {
    text-align: center;
}

.aboutImage {
    width: 49%;
    margin-top: 30px;
}

.mainCaption__name {
    font-size: 1.8rem;
    font-weight: 400;
    text-align: center;
    margin-top: 30px;
}

.subCaption__name {
    font-size: 1.6rem;
    margin-left: 15px;
}

.mainCaption__txt--about {
    margin-top: 30px;
}

/* about pc */
@media screen and (min-width:769px) {
    .flex {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 80px;
    }

    .img__center {
        text-align: left;
        flex-basis: 60%;
    }

    .aboutImage {
        width: 82%;
        margin-top: 0;
    }

    .mainCaption__name {
        font-size: 2.3vw;
        text-align: left;
        margin-top: 0;
    }

    .subCaption__name {
        font-size: 1.3vw;
        margin-left: 30px;
    }

    .mainCaption__txt--about {
        margin-top: 60px;
    }
}/* pc 769px */

/*==========================
footer
==========================*/
.footer {
    background-image: url(../images/bg.jpg);
    background-color:rgba(255,255,255,0.6);
    background-blend-mode:lighten;
    background-size: cover;
    background-repeat: no-repeat;
    margin-top: 150px;
    padding: 30px 8%;
}

.footerTitle {
    color: var(--primary-black);
    font-size: 2.4rem;
    font-weight: 800;
}

.mail--footer {
    color: var(--primary-black);
    font-size: 6.4vw;
    font-weight: 400;
    margin-top: 20px;
}

.footerNav {
    margin-top: 50px;
}

.footerNav__item {
    font-size: 1.8rem;
    font-weight: 400;
    text-align: center;
    margin-top: 30px;
}

.copy {
    color: var(--primary-black);
    font-size: 1.2rem;
    font-weight: 400;
    text-align: center;
    margin-top: 80px;
}

/* footer pc */
@media screen and (min-width:769px) {
    .footer {
        margin-top: 150px;
        padding: 80px 6.7% 40px;
    }

    .footerTitle {
        font-size: 2.2vw;
    }

    .mail--footer {
        font-size: 4vw;
        margin-top: 30px;
    }

    .footerNav {
        margin-top: 80px;
    }

    .footerNav__item {
        font-size: 2.2vw;
        text-align: left;
        margin-top: 40px;
    }

    .footerNav__item:first-of-type {
        margin-top: 80px;
    }

    .copy {
        font-size: 1.5rem;
        margin-top: 84px;
    }

}/* pc 769px */