@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700&display=swap');

html {
    font-size: 62.5%;
    width: 100%;
    box-sizing: border-box;
}

body {
    color: #170000; /* RGB */
    background-color: #FFF;
    font-family: 'Open Sans', sans-serif;
    font-weight: 300;
    font-size: 1.6em;
    line-height: 1.2;
    box-sizing: border-box;
    letter-spacing: 0.02em;
}

a{
    color: #170000;
    text-decoration: none;
}

a:hover {
    opacity: .5;
    cursor: pointer;
}

li {
    list-style: none;
}

.header{
    position: fixed;
    z-index: 999;
    width: 100%;
    display: flex;
    justify-content: space-between;
    height: 8rem;
    background-color: #FFF;
}

.hm_open {
    display: none;
}

.header_left{
    width: 20%;
}

.logo_company{
    width:20rem;
    padding: 3rem 2rem 2rem;
    margin-left: auto;
}

.header_middle{
    width: 70%;
}

.middle_navigation{
    display:flex;
    padding-top: 3.6rem;
    justify-content: flex-start;
    gap: 5rem;
    font-size: 1.4rem;
    list-style: none;
}

.middle_navigation li {
    position: relative;
}

.has_child:hover {
    cursor: pointer;
}

.has_child::before {
    content:'';
    position: absolute;
    left: 32px;
    top: 5px;
    width:6px;
    height:6px;
    border-top: 2px solid #999;
    border-right:2px solid #999;
    transform: rotate(135deg);
}

.has_child ul {
    position: absolute;
    left: 0;
    top: 30px;
    z-index: 4;
    background:#FFF;
    width: 120px;
    padding: 18px 24px;
    border: 1px solid #CCC;
    visibility: hidden;
    opacity: 0;
    transition: all .3s;
}

.has_child ul li:not(:last-child) {
    padding-bottom: 16px;
}

.has_child:hover > ul,
.has_child ul li:hover > ul,
.has_child:active > ul,
.has_child ul li:active > ul {
    visibility: visible;
    opacity: 1;
}

.header_right{
    width: 10%;
}

.header_right-navigation{
    display: flex;
    justify-content: flex-start;
    padding-top:3rem ;
}

.lens{
    width: 2rem;
    margin-right: 2rem;
}

.mail{
    width: 2rem;
}

@media screen and (max-width: 960px) {
    .header {
        display: block;
    }
    .hm_open {
        position: relative;
        z-index: 9999;
        top: -0.8rem;
        display: inline-block;
        width: 5rem;
        height: 5rem;
        cursor: pointer;
    }
    .hm_open span {
        display: inline-block;
        transition: all 0.4s;
        position: absolute;
        left: 14px;
        height: 3px;
        border-radius: 2px;
        background: #333;
        width: 60%;
    }
    .hm_open span:nth-of-type(1) {
        top: 15px;
    }
    .hm_open span:nth-of-type(2) {
        top: 23px;
    }
    .hm_open span:nth-of-type(3) {
        top: 31px;
    }
    .hm_open.active span {
        background: #333;
    }
    .hm_open.active span:nth-of-type(1) {
        top: 18px;
        left: 18px;
        transform: translateY(6px) rotate(-45deg);
        width: 60%;
    }
    .hm_open.active span:nth-of-type(2) {
        opacity: 0;
    }
    .hm_open.active span:nth-of-type(3) {
        top: 30px;
        left: 18px;
        transform: translateY(-6px) rotate(45deg);
        width: 60%;
    }
    .has_child ul {
        position: inherit;
        left: 0;
        top: 0;
        z-index: 0;
        background:#FFF;
        padding: 18px 24px;
        border: none;
        visibility: inherit;
        opacity: 1;
        transition: none;
    }
    .has_child::before {
        left: 40px;
        top: 6px;
    }
    .header_left {
        display: inline-block;
        width: 80%;
    }
    .header_left h1 {
        margin: 0 auto;
    }
    .header_middle {
        position: fixed;
        z-index: 99;
        top: 0;
        left: -120%;
        width: 40%;
        height: 100vh;
        background: #FFF;
        transition: all 0.6s;
    }
    .header_middle.panelactive {
        left: 0;
    }
    .middle_navigation {
        display: block;
        padding: 10rem 5rem;
        font-size: 1.6rem;
    }
    .middle_navigation li:not(:last-child) {
        padding-bottom: 3rem;
    }
    .header_right {
        display: inline-block;
        position: absolute;
        top: 0;
        right: 2rem;
    }
}
@media screen and (max-width: 520px) {
    .header_left {
        width: 74%;
    }
    .header_middle {
        width: 80%;
    }
    .header_right {
        width: 6rem;
    }
    .lens {
        height: auto;
    }
    .lens img {
        width: 100%;
    }
    .mail img {
        width: 100%;
    }
}

.fv{
    height: 72rem;
    background: linear-gradient(rgba(0, 0, 0, .2),  rgba(0, 0, 0, .2)), url(../img/top_img.jpg) no-repeat;
    background-size: 100%;
    position: relative;
}

.fv_message{
    position:absolute;
    top:65%;
    left:0;
    right:0;
    width: 60%;
    margin: 0 auto;
    text-align: center;
    color: #FFF;
}

.fv_message h2{
    padding-bottom: 2rem;
    font-size: 5.2rem;
    font-weight: 400;
}

.fv_message p{
    padding-bottom: 4rem;
}

.button{
    border: solid 1px #FFF;
    padding: 1rem 2rem;
    margin-top: 5rem;
    color:#FFF;
}

@media screen and (max-width: 1080px) {
    .fv {
        background-size: auto 100%;
    }
}
@media screen and (max-width: 520px) {
    .fv {
        background-position: -18rem 0;
    }
    .fv_message {
        top: 50%;
        left: 50%;
        width: 95%;
        transform: translate(-50%, -20%);
    }
    .fv_message h2 {
        font-size: 4rem;
    }
}

.main_title{
    text-align: center;
    padding-top: 4rem;
}

.main_title-headline{
    padding-bottom: 1.6rem;
    font-weight: 400;
}

.main_title-text{
    font-size: 1.2rem;
}

.jewelry_collection {
    width: 83%;
    padding: 3.6rem 5rem;
    margin: 0 auto;
}

.jewelry_title{
    font-weight: 400;
    font-size: 2.4rem;
    height: 4rem;
}

.jewelry_wrapper{
    display: flex;
    justify-content: center;
    gap: .8rem;
}

.piace_content{
    width: 65%;
}

.piace_bx{
    width: 100%;
    height: 93%;
}

.piace_bx img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.piace_title {
    padding: 1.6rem 0;
}

.jewelry_collection-right{
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: .8rem;
    width: 35%;
}

.breceret_img{
    width:100%;
}

.breceret_title {
    padding: 1rem;
}

.breceret_title p:first-of-type {
    padding: 1rem 0;
}

.jewelry_down-img img{
    width: 100%;
}

.ring_title {
    padding: 1.6rem 0;
}

@media screen and (max-width: 1260px){
    .piace_bx {
        height: 92%;
    }
}
@media screen and (max-width: 960px){
    .jewelry_collection {
        width: 100%;
    }
    .piace_bx {
        height: 91.5%;
    }
}
@media screen and (max-width: 820px){
    .piace_bx {
        height: 90%;
    }
}
@media screen and (max-width: 768px){
    .jewelry_wrapper {
        flex-direction: column;
    }
    .piace_content {
        width: 100%;
    }
    .jewelry_collection-right {
        flex-direction: row;
        width: 100%;
    }
    .breceret {
        width: 50%;
    }
    .jewelry_up-img {
        width: 100%;
        height: 70%;
    }
    .ring {
        width: 50%;
    }
    .jewelry_down-img {
        width: 100%;
        height: 80%;
    }
    .jewelry_down-img img {
        height: 100%;
        object-fit: cover;
    }
}
@media screen and (max-width: 520px) {
    .jewelry_collection {
        padding: 2.7rem 1.5rem;
    }
}


.recommended_product {
    width: 83%;
    margin: 0 auto;
    padding: 3.6rem 5rem;
}

.recommended_product h3{
    font-size: 2.4rem;
    font-weight: 500;
}

.breceret_container{
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 0 auto;
}

.breceret1_yen{
    padding: 1rem 0;
}

.breceret2_yen{
    padding: 1rem 0;
}

@media screen and (max-width: 960px) {
    .recommended_product {
        width: 100%;
    }
    .recommended_product h3 {
        margin-bottom: 2rem;
        font-size: 2rem;
    }
}
@media screen and (max-width: 520px) {
    .recommended_product {
        width: 100%;
        padding: 2.7rem 1.5rem;
    }
}

.jewelry_movie{
    width: 83%;
    padding: 3.6rem 5rem;
    margin: 0 auto;
}

@media screen and (max-width: 960px) {
    .jewelry_movie{
        width: 100%;
    }
}
@media screen and (max-width: 520px) {
    .jewelry_movie{
        padding: 2.7rem 1.5rem;
    }
}

.accessary_review{
    display: flex;
    justify-content: center;
    gap: .8rem;
    width: 83%;
    padding: 3.6rem 5rem;
    margin: 0 auto;
}

.necklace_box{
    width: 33%;
}

.necklace_img {
    width: 12rem;
    height: 12rem;
    margin: 0 auto;
}

.necklace_img img{
    width: 100%;
}

.necklace_contents{
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.necklace_text {
    margin-top: 1rem;
}

.necklace_text p {
    line-height: 1.8;
}

.ear_accessary_box{
    width: 33%;
}

.ear-accessary_img {
    width: 12rem;
    height: 12rem;
    margin: 0 auto;
}

.ear-accessary_img img {
    width: 100%;
}

.ear-accessary-contents{
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.ear-accessary_text {
    margin-top: 1rem;
}

.ear-accessary_text p {
    line-height: 1.8;
}

.ring_box{
    width:33%;
}

.ring_img {
    width: 12rem;
    height: 12rem;
    margin: 0 auto;
}

.ring_img img{
    width: 100%;
    object-fit: cover;
}

.ring-contents{
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.ring_text {
    margin-top: 1rem;
}

.ring_text p {
    line-height: 1.8;
}

@media screen and (max-width: 960px) {
    .accessary_review {
        flex-direction: column;
        width: 100%;
    }
    .necklace_box {
        width: 100%;
    }
    .necklace_img {
        width: 27rem;
        height: 27rem;
    }
    .ear_accessary_box {
        width: 100%;
    }
    .ear-accessary_img {
        width: 27rem;
        height: 27rem;
    }
    .ring_box {
        width: 100%;
    }
    .ring_img {
        width: 27rem;
        height: 27rem;
    }
}

.footer {
    width: 100%;
    margin-top: 4.8rem;
    padding: 3.6rem 0;
}

.footer_nav-links{
    display: flex;
    justify-content: space-between;
    width: 83%;
    margin: 0 auto;
}

.footer_nav-left{
    line-height: 3rem;
}

.quick_links-title p{
    margin-bottom: 2rem;
    font-size: 1.8rem;
    font-weight: 500;
}

.footer_nav-left ul{
    list-style: none;
}

.footer_nav-left ul li {
    padding-bottom: 1rem ;
}

.info_title p{
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.footer_nav-midddle ul{
    list-style: none;
}

.footer_nav-midddle ul li{
    padding-bottom: 1rem;
}

.our-mission_title p{
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.emails_box{
    margin: 0 auto;
    width: 100%;
    padding-left: 13rem;
    height: 10rem;
}

.emails_title p{
    margin: 3rem 0;
    font-size: 1.8rem;
    font-weight: 500;
}

.emails_button p{
    border:solid 1px ;
    width: 30rem;
    padding: 1rem 0 1rem 1rem;
}

.footer_logo{
    height: 3rem;
    width: 20rem;
    margin: 5rem auto 0;
}

.footer_copyright{
    text-align: center;
    height: 3rem;
}

@media screen  and (max-width: 960px) {
    .footer {
        padding: 3.6rem 5rem;
    }
    .footer_nav-links {
        gap: 8rem;
        margin: 0;
        padding-left: 0;
    }
    .emails_box {
        padding-left: 0;
    }
}
@media screen and (max-width: 768px) {
    .footer_nav-links {
        flex-direction: column;
        gap: 5rem;
    }
    .emails_box {
        margin-top: 4rem;
    }
}
@media screen and (max-width: 520px) {
    .emails_button p {
        width: 24rem;
    }
}