.swiper {
    position: relative;
    height: 100vh;
    overflow: visible;
}

.text-center-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.text-center-img img {
    width: 100%;
    max-width: 400px;
}

.swiper-slide img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.swiper-button-prev,
.swiper-button-next {
    position: absolute;
    top: 0 !important;
    height: 100vh;
    width: 50vw;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    z-index: 40;
    background: transparent no-repeat center;
    cursor: auto;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
}

@media (max-width: 768px) {
    .swiper,
    .swiper-slide img,
    .swiper-button-prev,
    .swiper-button-next {
        height: calc(100vh - 100px);
    }
}

.swiper-button-prev {
    left: 0;
}

.swiper-button-next {
    right: 0;
}

.swiper-button-prev::after,
.swiper-button-next::after {
    display: none !important;
    content: none !important;
}

.swiper-button-next:hover {
    cursor: url("data:image/svg+xml;utf8,\
  <svg xmlns='http://www.w3.org/2000/svg' width='80' height='80'>\
    <line x1='25' y1='8' x2='25' y2='42' stroke='%23000' stroke-width='2' stroke-linecap='round'/>\
    <line x1='8' y1='25' x2='42' y2='25' stroke='%23000' stroke-width='2' stroke-linecap='round'/>\
  </svg>") 40 40, pointer;
}

.swiper-button-prev:hover {
    cursor: url("data:image/svg+xml;utf8,\
  <svg xmlns='http://www.w3.org/2000/svg' width='80' height='80'>\
    <line x1='8' y1='25' x2='42' y2='25' stroke='%23000' stroke-width='2' stroke-linecap='round'/>\
  </svg>") 40 40, pointer;
}

body {
    cursor: auto;
}

@media (max-width: 768px) {
    .swiper-button-prev,
    .swiper-button-next {
        width: 50vw;
    }
}

.swiper-pagination {
    position: absolute;
    display: inline-grid;
    transform: translateZ(0);
    transition: opacity .3s;
    z-index: 10;
    gap: 10px;
    justify-content: end;
    padding-right: 10px;
    padding-bottom: 10px;
}

.swiper-pagination-bullet-active {
    background: #000;
}

.content-top {
    max-width: 1440px;
    margin: 0 auto;
    font-family: "Noto Sans JP", sans-serif;
    color: #000;
    line-height: 1.6;
    text-align: center;
}

@media (max-width: 768px) {
    .content-top {
        padding-left: 20px;
        padding-right: 20px;
    }
}

.text-top {
    max-width: 850px;
    margin: 0 auto;
    padding-top: 100px;
    padding-bottom: 90px;
}

@media (max-width: 940px) {
    .text-top {
        max-width: 700px;
        padding-bottom: 0;
    }
}

@media (max-width: 480px) {
    .text-top {
        padding-top: 40px;
        padding-bottom: 0;
    }

    .text-top-sp {
        font-family: Inter, sans-serif;
        font-size: 10px;
        padding-bottom: 20px;
        color: #000;
    }
}

.chair-form {
    max-width: 950px;
    display: flex;
    justify-content: center;
    margin: 0 auto;
}

.under-chair-form {
    font-size: 12px;
    line-height: 1.8;
    padding-bottom: 55px;
}

@media (max-width: 768px) {
    .under-chair-form {
        font-size: 9px;
        padding-bottom: 40px;
        letter-spacing: -1px;
    }
}

.title-desc {
    font-size: 38px;
    font-weight: 700;
    padding-bottom: 30px;
}

@media (max-width: 768px) {
    .title-desc {
        font-size: 27px;
        padding-bottom: 40px;
        text-align: center;
    }
}

.top-desc {
    font-size: 17px;
    line-height: 1.8;
    font-weight: 700;
    padding-bottom: 88px;
}

@media (max-width: 768px) {
    .top-desc {
        font-size: 14px;
        padding-bottom: 40px;
        text-align: left;
        padding-left: 20px;
        padding-right: 20px;
    }
}

.collection-sec {
    font-family: "Noto Sans JP", sans-serif;
    color: #000;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .collection-sec {
        padding-left: 20px;
        padding-right: 20px;
    }
}

.collection-sec h2 {
    font-family: "Inter", sans-serif;
    text-align: center;
    font-size: 38px;
    font-weight: 700;
    padding-bottom: 60px;
}

@media (max-width: 768px) {
    .collection-sec h2 {
        font-size: 28px;
        padding-bottom: 40px;
    }
}

.collection-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 30px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

.collection-content.head {
    justify-content: center;
    grid-template-columns: repeat(1, 1fr);
}

.c-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.c-img-box {
    width: 400px;
    height: 400px;
    margin-bottom: 15px;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
}

@media (max-width: 480px) {
    .c-img-box {
        max-width: 300px;
        max-height: 300px;
        margin-bottom: 10px;
    }
}

.c-img-box img {
    height: 100%;
    width: auto;
}

.chair-form {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.c-item a {
    text-decoration: none;
    color: #000;
}

.c-item a:hover {
    opacity: 0.8;
}

.c-item p {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.6;
    font-family: Inter, sans-serif;
}

.c-item p span {
    display: block;
    font-size: 16px;
    font-weight: 400;
    font-family: "Noto Sans JP", sans-serif;
}

@media (max-width: 480px) {
    .collection-content {
        gap: 30px 20px;
        padding: 0;
    }

    .c-item p {
        font-size: 28px;
    }

    .c-item p span {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .collection-content {
        grid-template-columns: repeat(1, 1fr);
        gap: 40px;
    }

    .collection-content.head .c-item {
        padding-bottom: 40px;
    }
}