* {
    margin: 0;
    padding: 0;
    font-family: 'Noto Sans JP', sans-serif;
    color: gray;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    width: 100dvw;
    height: 4.5rem;
    background-color: #fff;
    z-index: 999;
    background-image: url('../img/logo_1.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position-x: 1rem;
}

/*///// Hide Checkbox /////*/
#checkbox {
    opacity: 0;
    width: 0;
    height: 0;
}

/*///// lineMenu /////*/
#lineMenu {
    position: fixed;
    top: 1.5rem;
    right: 5rem;
    width: 36px;
    height: 16px;
    background: none;
    border: none;
    appearance: none;
    cursor: pointer;
}

#lineMenu,
#lineMenu span {
    z-index: 10;
}

#lineMenu span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: gray;
    border-radius: 6px;
    transition: all 0.5s;
}

#lineMenu span:nth-of-type(1) {
    top: 0;
}

#lineMenu span:nth-of-type(2) {
    bottom: 0;
}

#lineMenu p {
    position: absolute;
    top: 50%;
    left: 2.6rem;
    transform: translateY(-50%);
    font-weight: bold;
}

#checkbox:checked~label span:nth-of-type(1) {
    transform: translateY(6px) rotate(-20deg);
}

#checkbox:checked~label span:nth-of-type(2) {
    transform: translateY(-6px) rotate(20deg);
}

/*///// Global Nav /////*/
#globalNav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    width: 100dvw;
    height: 100vh;
    height: 100dvh;
    background-color: rgb(255, 255, 255, .9);
    visibility: hidden;
    opacity: 0;
    transition: all 0.5s;
}

#checkbox:checked~#globalNav {
    visibility: visible;
    opacity: 1;
}

#globalNav ul {
    list-style: none;
    padding: 80px 4%;
    height: 100vh;
    height: 100dvh;
    overflow-y: scroll;
}

/*///// Global Nav and Webpage style /////*/
#globalNav li {
    margin: 0 auto 0.3rem;
    max-width: 800px;
    border-left: 6px solid #333;
}

#globalNav li a {
    display: block;
    padding: 1.5rem;
    background-color: rgba(255, 255, 255, .5);
    color: #333;
    text-decoration: none;
    transition: all 0.5s;
}

#globalNav li a:hover {
    background-color: rgba(255, 255, 255, .8);
    padding-left: 2.5rem;
}

#mv {
    height: 100vh;
    height: 100dvh;
    background-color: rgb(220, 220, 220);
    display: flex;
    justify-content: center;
    align-items: center;
}

.section-wrap {
    height: 100vh;
    height: 100dvh;
}

.section-conts {
    padding: 4%;
}

.section-conts h2 {
    text-align: center;
}

#pcNav {
    display: none;
}

section {
    padding-top: 4.5rem;
}

.main_img_wrap {
    width: 100%;
    position: relative;
}

.main_img_wrap img {
    width: 100%;
    height: auto;
}

.main_img_wrap p {
    position: absolute;
    font-size: 1rem;
    letter-spacing: 0.2rem;
    left: 1.5rem;
    bottom: 1.5rem;
    color: #fff;
}

.gallery ul {
    list-style-type: none;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    width: fit-content;
    justify-content: center;
}

.gallery ul li {
    width: 30%;
    height: auto;
}

.gallery ul li img {
    display: block;
    width: 100%;
    height: auto;
}

.youtube {
    width: calc(90% + 1rem);
    aspect-ratio: 16 / 9;
    margin: auto;
}

.youtube iframe {
    width: 100%;
    height: 100%;
}

.copy {
    text-align: center;
}

.copy a {
    display: block;
    width: fit-content;
    margin: 0 auto 4rem;
}

.copy img {
    width: 4rem;
    height: auto;
    display: block;
    margin: auto;
}

small {
    font-family: 'PT Serif', serif;
    font-size: 0.7rem;
    padding-bottom: 4rem;
}

.profile,
.concept {
    display: flex;
    justify-content: space-between;
    flex-flow: column;
}

.profile img {
    width: 90%;
    height: auto;
    display: block;
    margin: auto;
}

.profile_text > p,
.concept_text > p {
    text-align: justify;
    line-height: 2rem;
    letter-spacing: 0.3rem;
    padding: 0.5rem 2rem;
}

.profile_text div {
    margin-top: 2rem;
}

.name {
    background-position: left;
    background-repeat: no-repeat;
    background-size: contain;
}

.name p {
    line-height: 3rem;
    margin: 0 2rem;
    font-size: 1.3rem;
    letter-spacing: 0.3rem;
}

.name p:last-child,
.title p:last-child,
.concept_title p:last-child {
    text-align: right;
    border-top: 2px solid gray;
}

.title {
    margin: 2rem;
}
.title p {
    line-height: 3rem;
    font-size: 1.3rem;
    letter-spacing: 0.3rem;
}

.concept_title {
    margin: 2rem;
}

.concept_title p {
    line-height: 3rem;
    font-size: 1.3rem;
    letter-spacing: 0.3rem;
}

.concept img {
    width: 90%;
    height: auto;
    display: block;
    margin: 2rem auto;
}

.contact h2 {
    border-bottom: 2px solid gray;
    margin: 2rem;
    font-weight: normal;
    letter-spacing: 0.2rem;
    padding-bottom: 0.5rem;
}

.contact a {
    display: block;
    width: fit-content;
    margin: 3rem auto;
    text-decoration: none;
    letter-spacing: 0.2rem;
}

.contact img {
    width: 4rem;
    height: auto;
    display: block;
}

.contact address {
    text-align: center;
    font-style: normal;
    letter-spacing: 0.2rem;
}


@media screen and (min-width:920px) {

    header {
        height: 8rem;
        background-image: none;
    }

    section {
        padding-top: 8rem;
    }

    #pcNav {
        list-style: none;
        display: flex;
        height: 100%;
        gap: 5rem;
        justify-content: center;
        align-items: center;
    }

    #pcNav img {
        height: 6rem;
    }

    #pcNav a {
        text-decoration: none;
        color: #333;
        transition: all 0.5s;
        letter-spacing: 0.5rem;
    }

    #pcNav a:hover {
        color: #f00;
    }

    #lineMenu {
        display: none;
    }

    main {
        max-width: 1200px;
        margin: auto;
    }

    .main_img_wrap p {
        font-size: 1.5rem;
        letter-spacing: 0.5rem;
        left: 2rem;
        bottom: 2rem;
    }

    .profile {
        flex-flow: row;
    }
    .profile img {
        width: 50%;
    }
    .profile_text {
        padding-left: 4rem;
        display: flex;
        justify-content: space-between;
        flex-flow: column;
    }
    .name {
        padding-left: 5rem;
        background-image: url('../img/logo_1.png');
    }

    .name p {
        margin-left: 0;
    }

    .concept {
        flex-flow: row;
    }

    .concept img {
        width: 50%;
    }

    .concept_text {
        padding-right: 4rem;
    }

    .copy a {
        margin: 0 auto 6rem;
    }

    .contact h2 {
        width: calc(50% - 2rem);
    }

    .contact a {
        line-height: 5rem;
        font-size: 1.5rem;
    }

    .contact img {
        padding: 2rem;
    }
    
    .contact address {
        line-height: 3rem;
        font-size: 1rem;
    }

    small {
        font-size: 1rem;
        letter-spacing: 0.2rem;
    }
}