*, *::before, *::after {
    box-sizing: border-box;
}

body {
  margin: 0;
  font-family: poppins, sans-serif;
  font-size: 16px;
  color: #2b2b2b;
}

h1, h2, h3, p {
    margin: 0;
    padding: 0;
}

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

section {
    text-align: center;
}

ul {
    margin: 0;
    padding: 0;
}

li {
    list-style-type: none;
}

tbody {
    vertical-align: inherit;
}

th, td {
    font-weight: normal;
    padding: 0;
}

/* unity */

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

.heading {
    position: relative;
    margin-bottom: 32px;
    padding-bottom: 24px;
    font-size: 36px;
    letter-spacing: 2px;
}

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

.text {
    padding-bottom: 40px;
    line-height: 1.8;
    letter-spacing: 1.4px;
}

/* header */

header {
    position: relative;
    width: 100%;
    height: 620px;
    background: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), url('img/header.png');
    background-size: cover;
    text-align: center;
    color: white;
    font-family: myriad-pro, sans-serif;
}

.header_nav {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 64px;
}

.position_change {
    position: fixed;
    top: 0;
    z-index: 100;
}

.color_change {
    color: #2b2b2b;
    background: #fff;
    border-bottom: 1px solid #a0a0a0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header_nav_wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_nav_logo {
    font-size: 36px;
}

.hamburger {
    position: relative;
    width: 32px;
    height: 64px;
    cursor: pointer;
}

.hamburger_line,
.hamburger_line::before,
.hamburger_line::after,
.hamburger_line_dummy {
    position: absolute;
    left: 0;
    display: block;
    width: 32px;
    height: 1px;
    background: #fff;   
}

.color_change span,
.color_change span::before,
.color_change span::after {
    background:  #2b2b2b;
}

.hamburger_line::before,
.hamburger_line::after {
    content: '';
}

.hamburger_line,
.hamburger_line_dummy {
    top: 50%;
    transition: all .3s;
}

.active .hamburger_line {
    transform: rotate(-45deg);
}

.active .hamburger_line_dummy {
    transform: rotate(45deg);
}

.hamburger_line::before {
    top: calc(50% - 8px);
    transition: all .3s;
}

.active .hamburger_line::before {
    top: 50%;
    opacity: 0;
}

.hamburger_line::after {
    top: calc(50% + 8px);
    transition: all .3s;
}

.active .hamburger_line::after {
    top: 50%;
    opacity: 0;
}

.header_menu {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 100;
    height: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    overflow: hidden;
    background: rgba(255, 255, 255, .9);
    transition: all .3s;
}

.header_menu_item {
    padding: 0;
    line-height: 11vh;
    text-align: center;
    font-size: 18px;
    border-top: 1px solid #ccc;
}

/* .header_menu_item :last-of-type {
    border-bottom: 1px solid #ccc;
} */

.height_change {
    height: calc(100vh - 64px);
}

.header_title {
    padding-top: 240px;
    font-size: 120px;
    font-weight: normal;
}

.header_title_sub {
    word-spacing: 4px;
}

.header_title_sub::before,
.header_title_sub::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 2px;
    margin: 0 8px;
    background: #fff;
    vertical-align: middle;
}

/* concept */

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

.concept_img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* work */

.work {
    width: 100%;
    padding-top: 80px;
}

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

.work_content {
    width: 420px;
    padding-bottom: 80px;
    text-align: left;
    line-height: 1.8;
}

.work_content:nth-of-type(1) {order: 1;}
.work_content:nth-of-type(2) {
    order: 3;
    margin-top: 120px;
}

.work_content:nth-of-type(3) {order: 2;}

.work_content:nth-of-type(4) {order: 4;}

.work_content_img {
    width: 100%;
    margin-bottom: 16px;
}

.work_content_heading {
    font-size: 24px;
}

.work_content_text {
    letter-spacing: 1.5px;
}

/* florist */

.florist {
    width: 100%;
    padding-top: 80px;
    background: linear-gradient(#ededed 60%, #fff 40%) ;
}

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

.florist_person {
    width: 300px;
    padding-bottom: 40px;
    text-align: left;
    line-height: 1.8;
    font-size: 0;
}

.florist_img {
    width: 100%;
    padding-bottom: 12px;
}

.florist_person_name {
    font-size: 24px;
}

.florist_person_text {
    font-size: 16px;
    letter-spacing: 1.5px;
}

/* shop info*/

.shop_info {
    width: 100%;
    padding: 80px 0 120px;
}

.shop_info_contents {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shop_info_img {
    width: 50%;
}

.shop_info_table {
    width: 45%;
    border-spacing: 16px;
    text-align: left;
    letter-spacing: 1.5px;
    line-height: 2;
}

.shop_info_table_heading {
    width: 25%;
    border-right: 1px solid #a0a0a0;
}

/* contact us */

.contact {
    width: 100%;
    padding: 80px 0;
    background: linear-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.6)),  url(img/contact_us.png);
    background-size: cover;
}

.btn_contact {
    position: relative;
    display: inline-block;
    width: 360px;
    padding-left: 40px;
    height: 80px;
    line-height: 80px;
    letter-spacing: 2px;
    border: 1px solid #a0a0a0;
    background: #fff;
    font-size: 20px;
}

.btn_contact::before {
    top: 30px;
    left: 85px;
    width: 30px;
    height: 20px;
    border: 1px solid #2b2b2b;
}

.btn_contact::after {
    top: 21px;
    left: 90px;
    width: 20px;
    height: 20px;
    border-right: 1px solid #2b2b2b;
    border-bottom: 1px solid #2b2b2b;
    transform: rotate(45deg);
}

.btn_contact::before, .btn_contact::after {
    content: '';
    position: absolute;
    border-radius: 2px;
}

/* footer */

footer {
    width: 100%;
    text-align: center;
}

.footer_copyright {
    line-height: 40px;
    letter-spacing: 1.4px;
}

/* Responsive */

@media (max-width: 670px) {
    body {
        font-size: 14px;
    }

    /* utility*/

    .content_wrapper {
        width: calc(100% - 32px);
        margin: 0 auto;
    }

    .heading {
        font-size: 28px;
    }

    .text {
        text-align: left;
        padding-bottom: 32px;
    }

    .display_pc {
        display: none;
    }

    /*header*/

    .header {
        height: 355px;
        padding-top: 0;
        background: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), url(img/header.png) 50%;
        background-size: cover;
    }

    .header_nav {
        position: fixed;
        top: 0;
        z-index: 100;
    }

    .header_nav_logo {
        font-size: 24px;
    }

    .header_title {
        padding-top: 120px;
        font-size: 64px;
    }

    /* concept */

    .concept {
        padding: 40px 0;
        background: linear-gradient(#fff 75%, #ededed 25%) ;
    }

    /* work */

    .work {
        position: relative;
        padding: 40px 0 24px;
    }

    .work_contents_wrapper {
        overflow-x: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
    }

    .work_contents_wrapper::-webkit-scrollbar {
        width: 4px;
        height: 4px;
        border-radius: 8px;
    }

    .work_contents_wrapper::-webkit-scrollbar-thumb {
        background: rgba (0, 0, 0, .15);
        border-radius: 8px;
    }

    .work_contents_wrapper::-webkit-scrollbar-track {
        background: rgba (0, 0, 0, .1);
        border-radius: 8px;
    }

    /* Arrow 

    .work::before,
    .work::after {
        content: '';
        position: absolute;
        display: block;
        width: 0;
        height: 1px;
        background: #333;
    }

    .work::before {
        bottom: 26px;
        left: 79%;
        overflow: hidden;
        transition: .3s ease-in-out;
    }

    .work::after {
        bottom: 30px;
        right: 5%;
        transform: rotate(45deg);
        transition: .9s ease-in-out;
    }

    .arrow_display.work::before {
        width: 60px;
    }

    .arrow_display.work::after {
        width: 10px;
    } */

    .work_contents {
        display: inline-flex;
        flex-direction: row;
        flex-wrap: nowrap;
        height: auto;
    }

    .work-content {
        width: 80vw;
        padding-bottom: 40px;
    }

    .work_content:not(:last-of-type) {
        margin-right: 24px;
    }



    .work_content:nth-of-type(2) {
        margin-top: 0;
    }

    .work_content_img {
        height: 200px;
        margin-bottom: 0;
        object-fit: cover;
    }

    .work_img_gift {
        object-position: 0 75%;
    }

    .work_img_decoration {
        object-position: 0 65%;
    }

    .work_img_wedding {
        object-position: 0 60%;
    }

    /* florist */

    .florist {
        padding: 40px 0;
        background: #ededed 55%;
    }

    .florist_persons_wrapper {
        overflow-x: auto;
        overflow-y: visible;
        -webkit-overflow-scrolling: touch;
    }

    .florist_persons_wrapper::-webkit-scrollbar {
        width: 4px;
        height: 4px;
        border-radius: 8px;
    }

    .florist_persons_wrapper::-webkit-scrollbar-thumb {
        background: rgba(0, 0, 0, .15);
        border-radius: 8px;
    }

    .florist_persons_wrapper::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, .1);
        border-radius: 8px;
    }

    .florist_persons {
        display: inline-flex;
    }

    .florist_person {
        width: 80vw;
    }

    .florist_person:not(:last-of-type) {
        margin-right: 24px;
    }

    .florist_img {
        width: 100%;
        margin-bottom: 0;
    }

    /* Shop Information */

    .shop_info {
        padding: 40px 0;
    }

    .shop_info_contents {
        display: block;
    }

    .shop_info_img,
    .shop_info_table {
        width: 100%;
    }

    /* Contact us */

    .contact {
        padding: 40px 0 64px;
    }

    .btn_contact {
        width: 280px;
        padding-left: 50px;
    }

    .btn_contact::before {
        left: 45px;
    }

    .btn_contact::after {
        left: 50px;        
    }

}