html {
    scroll-behavior: smooth;
}

body {
    width: 100vw;
    color: #2b2b2b;
    font-family: "myriad-pro", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.sec-width {
    width: 960px;
    margin: 0 auto;
}

.sec-title {
    font-family: "poppins", sans-serif;
    font-weight: 700;
    font-style: normal;
    position: relative;
    padding-bottom: 24px;
    margin-bottom: 32px;
    text-align: center;
    font-size: 36px;
    letter-spacing: 2px;
}

.sec-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 40px;
    height: 1px;
    background: #2b2b2b;
    transform: translateX(-50%);
}

.sec-txt {
    text-align: center;
    line-height: 1.8;
    margin-bottom: 40px;
    letter-spacing: 1px;
}

h3 {
    font-size: 24px;
    font-family: "poppins", sans-serif;
    font-weight: bold;
    padding-bottom: 16px;
}

p {
    line-height: 1.8;
}

/* -----------------------
ヘッダー
----------------------- */
#top {
    width: 100vw;
    height: 620px;
}

#top {
    background-image: url(img/header.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding-top: 40px;
    position: relative;
}

#top::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: black;
    opacity: 0.2;
}

.top-wrapper {
    width: 100vw;
    height: 64px;
    padding: 0 15%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 40px0;
    left: 50%;
    transform: translate(-50%);
    color: #fff;
    font-size: 36px;
}

.menu-btn {
    width: 40px;
    height: 40px;
    background-image: url(img/menu.png);
    background-position: center;
    background-size: cover;
}

.menu-btn:hover {
    opacity: 0.7;
}

#navi {
    width: 100vw;
    height: calc(100vh - 104px);
    background-color: #fff;
    font-size: 1.1rem;
    text-align: center;
    position: fixed;
    top: 104px;
    opacity: 0.9;
    transform: translateY(100%);
    transition: 1s;
    z-index: 50;
}

#navi ul {
    padding: 0 40px;
}

#navi li {
    border-bottom: 1px solid #ccc;
    padding: 45px;
}

#navi a {
    text-decoration: none;
    color: #2b2b2b;
}

#navi a:hover {
    opacity: 0.7;
}

.main-txt {
    color: #fff;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

h1 {
    font-size: 120px;
    font-weight: normal;
    padding-bottom: 20px;
}

/* -----------------------
バーガー
----------------------- */
.menu-btn.open {
    background-image: url(img/close.png);
}

#navi.open {
    transform: translateY(0);
    transition: 1s;
}

/* -----------------------
ヘッダー色変更
----------------------- */
.change-color {
    color: #2b2b2b;
    width: 100vw;
    background-color: #ededed;
    padding: 0 15%;
    position: fixed;
    top: 0;
    opacity: 0.8;
    z-index: 100;
}

.menu-black {
    background-image: url(img/menu_black.svg);
    background-position: center;
    background-size: cover;
}

.menu-black.open {
    background-image: url(img/close_black.svg);
    background-position: center;
    background-size: cover;
}

.menu-black:hover {
    opacity: 0.7;
}

/* -----------------------
CONCEPT
----------------------- */
#concept {
    background: linear-gradient(#fff 70%, #ededed 30%);
    padding: 80px 0 100px;
}

/* -----------------------
フェードイン01
----------------------- */
.fadein_01 {
    opacity: 0;
    transition: all 2s;
}

.fadein_01.active {
    opacity: 1;
}

/* -----------------------
WORK
----------------------- */
#work {
    background-color: #fff;
    padding: 80px 0 100px;
}

.work-contents {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-content: space-between;
    height: 1680px;
}

.item {
    width: 420px;
    padding-bottom: 80px;
}

.item:nth-of-type(3) {
    margin-top: 120px;
}

.item img {
    width: 420px;
}

.item h3 {
    margin-top: 2rem;
}

/* -----------------------
フェードイン02
----------------------- */
.fadein_02 {
    opacity: 0;
    transform: translate(0, 100px);
    transition: all 1s;
}

.fadein_02.active {
    opacity: 1;
    transform: translate(0, 0);
}

/* -----------------------
FLORIST
----------------------- */
#florist {
    background: linear-gradient(#ededed 53%, #fff 43%);
    padding: 80px 0 40px;
}

.florist-contents {
    display: flex;
    justify-content: space-between;
}

.florist {
    width: 300px;
}

.florist h3 {
    padding-top: 12px;
}

/* -----------------------
フェードイン03
----------------------- */
.fadein_03 {
    opacity: 0;
    transform: translate(0, 100px);
    transition: all 1s;
}

.fadein_03.active {
    opacity: 1;
    transform: translate(0, 0);
}

/* -----------------------
SHOP INFORMATION
----------------------- */
#info {
    padding: 80px 0 120px;
}

.info-contents {
    display: flex;
    justify-content: space-between;
}

.address {
    width: 50%;
}

.address dl {
    height: 320px;
    letter-spacing: 2px;
    line-height: 1.8;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
}

.address dt {
    width: 40%;
    box-sizing: border-box;
    padding-left: 80px;
    margin-bottom: 12px;
}

.address dd {
    width: 60%;
    box-sizing: border-box;
    padding-left: 1rem;
    margin-bottom: 12px;
    border-left: 1px solid #aaa;
}

/* -----------------------
フェードイン04
----------------------- */
.fadein_04 {
    opacity: 0;
    transform: translate(0, 100px);
    transition: all 2s;
}

.fadein_04.active {
    opacity: 1;
    transform: translate(0, 0);
}

/* -----------------------
CONTACT US
----------------------- */
#contact {
    width: 100vw;
    height: 450px;
    padding: 80px 0 100px;
    background-image: url(img/contact_us.png);
    background-position: center;
    background-size: cover;
    background-color: rgba(255, 255, 255, 0.6);
    background-blend-mode: lighten;
}

.contact-btn img {
    width: 35px;
    height: 30px;
    margin-right: 24px;
}

.contact-btn a {
    width: 360px;
    height: 80px;
    background-color: #fff;
    border: 1px solid #a0a0a0;
    display: block;
    margin: 0 auto;
    text-decoration: none;
    color: #2b2b2b;
    font-size: 20px;
    padding: 30px 0 30px 133px;
    position: relative;
}

.contact-btn img {
    display: block;
    position: absolute;
    left: 80px;
    top: 50%;
    transform: translateY(-50%);
}

.contact-btn a:hover {
    opacity: 0.7;
    transition: 0.5s;
}

/* -----------------------
フッター
----------------------- */
footer {
    text-align: center;
}


/* ＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
SPレスポンシブ
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ */
@media screen and (max-width:970px) {
    .sec-width {
        width: 100vw;
        margin: 0 auto;
    }

    .sec-txt {
        text-align: left;
        line-height: 1.8;
        margin-bottom: 40px;
        letter-spacing: 1px;
        font-size: 14px;
        padding: 0 40px;
    }

    /* -----------------------
    ヘッダー
    ----------------------- */
    #navi li {
        padding: 30px;
    }

    /* -----------------------
    CONCEPT
    ----------------------- */
    .concept-img img {
        display: block;
        margin: 0 auto;
        width: 80%;
        height: 400px;
        object-fit: cover;
    }

    /* -----------------------
    WORK
    ----------------------- */
    #work {
        background-color: #fff;
        padding: 80px 0 100px;
    }

    .work-contents {
        height: auto;
        flex-wrap: nowrap;
    }

    .item {
        box-sizing: border-box;
        width: 380px;
        padding-bottom: 40px;
        margin: 0 5%;
    }

    .item:nth-of-type(3) {
        margin-top: 0px;
    }

    .item img {
        width: 380px;
    }

    /* -----------------------
    フェードイン02
    ----------------------- */
    .fadein_02 {
        /* 装飾に関わるスタイルは省略 */
        margin: 50px auto;
        transition: 1s cubic-bezier(0.75, 0, 0.25, 1);
    }

    .slide_left {
        transform: translateX(calc(-50vw - 50%));
    }

    .slide_right {
        transform: translateX(calc(50vw + 50%));
    }

    .show {
        transform: translateX(0px);
        transition: 2s;
    }

    /* -----------------------
    FLORIST
    ----------------------- */
    .florist-contents {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .florist {
        margin-bottom: 50px;
    }

    /* -----------------------
    FLORIST
    ----------------------- */
    #florist {
        background: linear-gradient(#ededed 53%, #fff 43%);
        padding: 80px 0 40px;
    }

    .florist-contents {
        display: flex;
        justify-content: space-between;
    }

    .florist {
        width: 300px;
    }

    .florist h3 {
        padding-top: 12px;
    }

    /* -----------------------
    フェードイン05
    ----------------------- */
    .fadein_05 {
        opacity: 0;
        transform: translate(0, 100px);
        transition: all 1s;
    }
    
    .fadein_05.active {
        opacity: 1;
        transform: translate(0, 0);
    }

    /* -----------------------
    SHOP INFORMATION
    ----------------------- */
    .info-contents {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .address {
        width: 100%;
    }

    .address dl {
        height: 320px;
        letter-spacing: 2px;
        line-height: 1.8;
        display: flex;
        flex-wrap: wrap;
        align-content: center;
    }

    .address dt {
        width: 40%;
        box-sizing: border-box;
        margin-bottom: 12px;
    }

    .address dd {
        width: 60%;
        box-sizing: border-box;
        padding-left: 1rem;
        margin-bottom: 12px;
        border-left: 1px solid #aaa;
    }

    /* -----------------------
    フッター
    ----------------------- */
    footer {
        height: 50px;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 12px;
    }
}