/* トップビュー */
#top-view::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: 60px;
}

#top-view {
    padding: 1rem;
    position: relative;
    width: 100%;
    height: 100%;
    color: #FFFFFF;
    overflow-x: hidden;
    background-image: url(../images/air_seat/airseat-slider1.png);
    background-clip: content-box;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 60px;
}

#top-view.blur {
    filter: blur(20px);
    background: #FFFFFF;
}

.pc-break {
    display: block;
}

.doodle-butterfly-img {
    position: absolute;
    top: 60%;
    left: -10%;
    transform: translateY(-60%);
    z-index: 2;
}

.doodle-orange-img {
    position: absolute;
    top: 60%;
    right: -2%;
    transform: translateY(-60%) scale(1.5);
    z-index: 2;
}

#product-section {
    overflow-x: hidden;
    margin: 2rem 1rem 0;
}

#product-section>.caution {
    color: #3A3A3A;
    opacity: 0.5;
    margin-top: 12px;
    font-size: 12px;
    font-weight: 500;
}

.product-info-container {
    position: absolute;
    z-index: 2;
    top: 20%;
    left: 10%;
    height: 450px;
    width: 85%;
    padding-left: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.top-product.top {
    display: flex;
}

.product-name-area {
    flex: 4;
}

.product-name-area .hurigana {
    font-weight: 600;
}

.product-name-area h1 {
    font-size: 80px;
    font-weight: 600;
    line-height: 80%;
    margin: 10px 0 16px;
}

.product-name-area .subtitle {
    font-weight: 600;
}

.product-hashtag-area {
    flex: 1;
    font-size: 0.75rem;
    font-weight: bold;
}

.product-hashtag-area li:not(:first-child) {
    margin-top: 12px;
}


.top-product.bottom {
    display: flex;
    justify-content: space-between;
}

.product-description-area {
    flex: 4;
    font-size: 0.75rem;
    line-height: 180%;
    font-weight: bold;
}

.product-price-area {
    flex: 1;
    margin-top: auto;
}

.product-price-area .price {
    font-size: 30px;
    font-weight: 500;
    letter-spacing: .1rem;
}

.product-price-area .tax {
    font-size: 12px;
    margin-left: 4px;
}

.breadcrumb {
    font-size: 0.85rem;
    color: #FFFFFF;
    position: absolute;
    bottom: -20%;
    left: -5%;
}

.breadcrumb a {
    color: #FFFFFF;
    text-decoration: none;
    opacity: 0.5;
}

.breadcrumb .slash {
    margin: 0 .5rem;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* リンクs */
.links-container {
    background-color: #F4B0B7;
    margin: 1rem 1rem 0;
    border-radius: 20px;
    color: #C1646F;
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
}

.my-site-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    font-weight: bold;
}

.other-site-links {
    display: flex;
    font-weight: bold;
    align-items: center;
    gap: 2rem;
}

.other-site-links img:hover {
    opacity: 0.7;
}

/* プルダクトセクション */
.airseat-description-section {
    overflow-y: hidden;
    position: relative;
    height: 100vh;
    width: 100%;
    border-radius: 20px;
    background-image: url(/images/air_seat/airseat-desc.svg);
    background-position: 100% 100%;
    background-size: 100%;
    background-repeat: no-repeat;
}

.airseat-description-section>span {
    position: absolute;
    top: 30%;
    left: 18%;
    font-weight: bold;
}

.airseat-title {
    position: absolute;
    top: 10%;
    left: 5%;
}

.airseat-desc-img {
    width: 60%;
    position: absolute;
    left: 15%;
    top: 10%;
    border-radius: 20px;
}

.description-area {
    color: #3A3A3A;
    position: absolute;
    right: 5%;
    top: 15%;
    width: 30%;
}

.problem-question-area {
    background-image: url(../images/air_seat/doodle-cloud.png);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 1rem;
}

.problem-question-area p:first-child {
    font-size: 24px;
    font-weight: bold;
    white-space: nowrap;
}


.problem-question-area p:last-child {
    font-size: 0.87rem;
    margin-top: 1rem;
    line-height: 180%;
    font-weight: 500;
}

.what-is-airseat {
    margin-top: 141px;
    font-size: 0.87rem;
}

.what-is-airseat p {
    margin-top: 1rem;
    line-height: 180%;
    font-weight: 500;
}

.what-is-airseat h2 {
    background-image: url(/images/air_seat/doodle-purple.png);
    background-position: -20px -5px;
    background-repeat: no-repeat;
    font-size: 24px;
    font-weight: 600;
    background-size: 100% 100%;
}

.what-is-airseat span:first-child {
    font-size: 36px;
}

.the-secret-of-airseat-section {
    padding: 0 1rem;
}

.the-secret-of-airseat-top {
    display: flex;
    gap: 1rem;
    margin-top: 6rem;
}


.airseat-secret-title {
    flex: 1
}

.airseat-secret-title h3 {
    padding: 2rem 0 0 2rem;
    font-weight: 600;
    color: #3A3A3A;
}

.airseat-secret-title h3 span:first-child {
    font-size: 42px;
}

.airseat-secret-title h3 span:last-child {
    font-size: 34px;
}

.airseat-secret-card {
    position: relative;
    flex: 1;
    height: 670px;
    background-color: #E5E5E5;
    border-radius: 20px;
}

.airseat-secret-one-content {
    position: absolute;
    top: 0;
    padding: 2rem 2rem 20px;
    height: 100%;
}

.airseat-secret-one-content>div:first-child {
    height: 15%;
}

.airseat-secret-one-content .text {
    display: flex;
    flex-direction: column;
    height: 85%;
    font-family: 'HigureGothic';
    justify-content: space-between;
}

.airseat-secret-one-content .text>.product-detail {
    font-size: 0.75rem;
    line-height: 24px;
    font-weight: bold;
    color: #3A3A3A;
}

.airseat-secret-one-content .caution {
    color: #8E8E8E;
    font-weight: 400;
    font-size: 10px;
}

.airseat-secret-one-content .number {
    background-image: url(../images/air_seat/doodle-cloud.png);
    background-size: 100% 100%;
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    margin-bottom: 10px;
    padding-top: .5rem;
    padding-right: .3rem;
    font-weight: 600;
    color: #3A3A3A;
}

.airseat-secret-card .product-summary>p:first-child {
    font-size: 24px;
    color: #3A3A3A;
    font-weight: 600;
    padding-left: 1rem;
    line-height: 140%;
}

.airseat-secret-card .product-summary>p:last-child {
    color: #E8D118;
    margin-top: 12px;
    padding-left: 1rem;
    line-height: 140%;
    font-weight: bold;
}

.airseat-secret-card .product-detail {
    padding-left: 1rem;
}

.the-secret-of-airseat-bottom {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.airseat-secret-one-img {
    position: absolute;
    right: 0;
}

.airseat-secret-two-img {
    width: 60%;
    position: absolute;
    top: 25%;
    right: 10%;
}

.airseat-secret-three-img {
    width: 80%;
    padding-left: 1rem;
}

.flow-container {
    font-family: 'HigureGothic';
    margin-top: 100px !important;
    width: 90%;
    margin: 0 auto;
}

.flow-container>p {
    color: rgba(58, 58, 58, 0.5);
    font-size: 0.8rem;
    width: 80%;
    margin: 32px auto 0;
    white-space: nowrap;
    text-align: center;
    line-height: 140%;
}

.flow-area {
    display: flex;
    flex-wrap: wrap;
    padding: 1rem 3rem;
}

.flow-card {
    text-align: center;
    flex: 3;
}

.flow-card>img {
    width: 100%;
}

.flow-card>p {
    margin-top: 1rem;
    font-weight: bold;
    color: #3A3A3A;
    line-height: 140%;
}

.flow-card .side-note {
    font-size: 14px;
    font-weight: 400;
    white-space: nowrap;
}

.flow-arrow {
    margin: auto 0;
    padding: 0 10px 5rem;
    /* padding-bottom: 4rem; */
    color: rgba(193, 100, 111, 0.7);
}

.flow-arrow>span {
    transform: rotate(-90deg) scale(2) !important;
}

/* ハウトゥーセクション */
#how-to-section {
    margin: 120px 0 0;
    height: 1390px;
    position: relative;
    /* padding: 4rem 1rem; */
    /* background-color: #FDF0F2; */
    background-image: url(/images/air_seat/how-to-use-bg.svg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.how-to-title {
    padding-top: 126px;
}

.how-to-title h3 {
    font-weight: 600;
    font-size: 28px;
}

.how-to-title p {
    font-size: 16px;
    font-weight: bold;
}

.how-to-title h3,
.how-to-title p {
    text-align: center;
    color: #C1646F;
}

.how-to-title p {
    font-family: 'HigureGothic';
}

.video-area {
    display: flex;
    gap: 5rem;
    margin: 4rem 5rem 0 5rem
}

.video-area>* {
    flex: 1;
}

.video-area iframe {
    margin: auto 0;
    border-radius: 10px;
}

.video-description {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.video-description>p {
    font-weight: bold;
    font-size: 16px;
    color: #3A3A3A;
    line-height: 180%;
}

.video-description .tab {
    margin-top: 32px;
    height: 60px;
    line-height: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.video-description .tab div {
    display: inline-block;
}

.video-description .tab span {
    background-color: #C1646F;
    color: #FFFFFF;
    border-radius: 40px;
    padding: 2.5px 9px;
    font-weight: 600;
    font-size: 18px;
}

.video-description .tab>span:not(:first-child) {
    margin-left: 12px;
}

.video-description .caution {
    font-size: 0.75rem;
    line-height: 140%;
    color: rgba(58, 58, 58, 0.5);
    margin-top: 2rem;
}

.video-description .caution>p:not(:first-child) {
    margin-top: .2rem;
}

#development-story {
    margin: 56px 1rem 0;
    background: #F4B0B7;
    border-radius: 40px;
    padding: 24px 32px 120px 138px;
    box-sizing: border-box;
    color: #C1646F;
}

.development-story-inner {
    display: flex;
    align-items: flex-start;
    gap: 80px;
}

.profiles {
    flex: 1;
    display: flex;
    align-items: start;
    flex-direction: column-reverse;
}

.profiles > .profile {
    display: flex;
    margin-top: 32px;
    gap: 32px;
}


#development-story .message-area {
    flex: 1;
    padding-left: 5rem;
}

.message-block {
    margin-top: 18px;
}

.development-story-title {
    font-weight: 600;
}

.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.profile-info {
    line-height: 1.6rem;
    margin: auto 0;
    padding-bottom: 20px;
}

.profile-role {
    font-size: 0.9rem;
    font-weight: bold;
}

.profile-eg-name {
    font-size: 24px;
    font-weight: 600;
    margin: 10px 0 8px;
}

.profile-name {
    font-size: 0.9rem;
    font-weight: bold;
}

.development-story-message {
    margin: 1.5rem 0;
}

.development-story-message h4 {
    font-size: 18px;
    font-weight: bold;
    line-height: 160%;
    margin-top: 2rem;
    font-family: 'HigureGothic';
}

.development-story-message>p {
    margin-top: 1rem;
    font-size: 16px;
    line-height: 200%;
    font-weight: 500;
}

.airseat-prototype-area {
    margin-top: 3rem;
}

.airseat-prototype-area>p {
    color: #3A3A3A;
    font-weight: bold;
}

.airseat-prototype-area .material-symbols-outlined {
    transform: scale(2.5, 4) translate(-7px, 0.5px);
    border-radius: 2px;
}

.airseat-prototype-area>img {
    margin-top: 1rem;
}

/* カスタマーボイスセクション */
#customer-voice-section {
    margin: 5rem 1rem 0;
}

#customer-voice-section h2 {
    margin: 4rem 0 2rem 6rem;
    font-weight: 600;
    color: #C1646F;
}

.customer-voice-cotainer {
    gap: 16px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.customer-voice-card {
    border-radius: 40px;
    background-color: #FDF0F2;
    position: relative;
    padding: 1.5rem;
}

.customer-voice-card:nth-child(even) {
    background-color: #FFFFFF;
}

.customer-voice-card>img {
    position: absolute;
    top: 5%;
    left: 50%;
    transform: scale(0.8);
}

.customer-profiel>div {
    color: #C1646F;
    margin: 1rem 0;
    font-weight: 600;
    font-size: 12px;
}

.customer-comment .emphasis {
    font-size: 24px;
    color: #C1646F;
    margin: 1rem 0 24px;
    font-weight: bold;
    font-family: 'HigureGothic';
}

.customer-comment .description {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 9;
    overflow: hidden;
    color: #3A3A3A;
    font-weight: 500;
    line-height: 140%;
    font-family: 'HigureGothic';
}

#product-links-section {
    margin: 6rem 1rem 12rem 1rem;
    display: flex;
    gap: 1rem;
    overflow: hidden;
}

.airseat-cover-card {
    height: 519px;
}

.airseat-cover-card {
    flex: 1;
    border-radius: 40px;
    position: relative;
    padding: 64px 2rem 1.5rem 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.airseat-cover-card:first-child {
    background-color: #E5E5E5;
}

.airseat-cover-card {
    transition: 
        border-radius 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.airseat-cover-card:hover {
    opacity: 0.7;
    cursor: pointer;
    transform: scale(1.05);
    border-radius: 0;
}

.airseat-cover-card .subtitle {
    color: #3A3A3A;
    font-weight: bold;
}

.airseat-cover-card .subtitle a:hover {
    opacity: 0.7;
}

.airseat-cover-card h3 {
    font-size: 58px;
    margin: 12px 0 20px;
    line-height: 80%;
    color: #3A3A3A;
    font-weight: 600;
}

.producut-title>p:last-child {
    font-size: 14px;
    color: #3A3A3A;
    line-height: 80%;
    font-weight: bold;
}

.product-info-area>p {
    font-size: 14px;
    color: #3A3A3A;
    font-weight: bold;
}

.airseat-cover-card .subtitle {
    font-size: 14px;
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.airseat-cover-card .subtitle span:last-child {
    border-bottom: 1px solid;
}

.airseat-cover-card .hashtags {
    font-weight: bold;
    color: #3A3A3A;
    font-size: 12px;
}

.airseat-cover-card.airseat-cover .hashtags>li:not(:first-child) {
    margin-top: 12px;
}

.airseat-cover-card.murenaine .hashtags>li:not(:first-child) {
    margin-top: 6px;
}

.airseat-cover-card>.price-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.airseat-cover-card>.price-area>.here {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.airseat-cover-card>.price-area>.here>span {
    font-weight: bold;
    font-size: 14px;
    font-family: 'HigureGothic';
    color: #3A3A3A;
}

.airseat-cover-card>.price-area .enn-mark {
    font-size: 12px;
}


.airseat-cover-card>.price-area .price {
    font-size: 24px;
    font-weight: 600;
    color: #3A3A3A;
}

.airseat-cover-card>.price-area .tax {
    font-size: 12px;
    font-weight: 600;
    color: #3A3A3A;
}


.airseat-cover-card.airseat {
    background-image: url(/images/air_seat/airseat-cover.png);
    background-repeat: no-repeat;
    background-size: cover;
    color: #FFFFFF;
    justify-content: space-between;
}

.airseat-cover-card.murenaine {
    background-image: url(/images/air_seat/murenaine.png);
    background-repeat: no-repeat;
    background-size: cover;
    cursor: pointer;
}

.airseat-cover-card .caution {
    font-size: 10px;
    color: #3A3A3A80;
    opacity: 0.5;
    position: absolute;
    bottom: 30px;
}

.airseat-cover-card.airseat-cover .point {
    margin-top: 2rem;
}

.airseat-cover-card.airseat-cover .hashtags {
    margin-top: 75px;
}

.airseat-cover-card.airseat-cover {
    position: relative;
    cursor: pointer;
}

.airseat-cover-card.airseat-cover>.price-area {
    margin-top: 1rem;
}

.airseat-cover-card.murenaine .point {
    margin-top: 1rem;
}

.murenaine-hashtag-area>p {
    margin-top: 2rem;
    font-size: 14px;
    font-weight: bold;
    line-height: 120%;
    color: #3A3A3A;
    letter-spacing: 2px;
}

.airseat-cover-card.murenaine .hashtags {
    margin-top: 20px;
}

.price-area a {
    cursor: pointer;
    display: contents;
}

.airseat-cover-img {
    width: 40%;
    position: absolute;
    right: 5%;
    top: 12%;
}

.product-slider {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin: 1.2rem 0 0 0;
    font-size: 1.1rem;
    color: #fff;
    z-index: 3;
}

.slider-index {
    font-weight: bold;
    letter-spacing: 0.3em;
    opacity: 0.85;
}

.slider-bar {
    display: flex;
    gap: 4px;
    height: 4px;
    width: 60px;
    margin: 0 0.5rem;
}

.slider-bar-segment {
    flex: 1;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    transition: background 0.3s;
}

.slider-bar-segment.active {
    background: #fff;
}

.slider-btn {
    background: none;
    border: 2px solid #fff;
    border-radius: 1.2em;
    width: 4.1em;
    height: 1.8em;
    color: #fff;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.2em;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    opacity: 0.85;
}

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

.slider-btn:active,
.slider-btn:focus {
    background: #fff;
    color: #C1646F;
    outline: none;
}

@media (max-width: 768px) {

    .site-header {
        padding: 0;
    }

    .pc-break {
        display: inline;
    }

    .sp-break {
        display: block;
    }

    #top-view::before {
        background-position: 70%;
    }

    #top-view {
        background-image: url(../images/air_seat/airseat-slider1-sp.png);
        padding: 1rem;
        height: 800px;
        border-radius: 48px;
    }

    .top-sns-links>a:last-child img, .drawer-sns-links>a:last-child img {
        transform: translateX(-3px);
    }

    .breadcrumb {
        left: 18%;
        bottom: -2%;
    }

    .doodle-butterfly-img {
        top: -8%;
        transform: scale(0.6);
        left: 38%
    }

    .doodle-orange-img {
        transform: translateY(-60%) scale(1.1);
        right: -22%;
        top: 60%;
    }

    .product-info-container {
        left: calc(-13% + 20px);
        top: 12%;
        height: 81%;
    }

    .product-hashtag-area li:not(:first-child) {
        font-size: 10px;
    }

    .product-hashtag-area {
        font-size: 10px;
    }

    .product-name-area .hurigana {
        font-size: 12px;
    }

    .product-name-area .subtitle {
        margin-top: 10px;
        font-size: 12px;
        font-weight: bold;
    }

    .product-description-area {
        font-size: 10px;
    }

    .product-name-area h1 {
        font-size: 60px;
        line-height: 80%;
    }

    .top-product.top {
        flex-direction: column;
        gap: 24px;
    }

    .top-product.bottom {
        flex-direction: column;
        height: 30%;
        margin-bottom: 24px;
    }

    .links-container {
        flex-direction: column;
        gap: 1rem;
        padding: 16px 24px 16px;
    }

    .my-site-links {
        gap: 1rem;
        white-space: nowrap;
        text-align: center;
        font-size: 14px;
        font-weight: bold;
        justify-content: center;
    }

    .other-site-links {
        flex-direction: column;
    }

    .other-site-links a {
        display: inline-flex;
    }

    .other-site-links picture {
        display: contents;
        border-radius: 12px;
    }

    .other-site-links>span {
        display: none;
    }

    .other-site-links img {
        border-radius: 12px;
    }

    /* プロダクトセクション */
    #product-section {
        overflow: hidden;
    }

    #product-section>.caution {
        font-size: 10px;
        margin-top: 10px;
        line-height: 180%;
    }

    .airseat-description-section {
        padding: 0 1rem 20px;
        height: 908px;
        background-position: 50% 35%;
        background-image: url(/images/air_seat/airseat-desc-sp.png);
    }

    .airseat-title {
        position: initial;
        margin-top: 48px;
    }

    .airseat-desc-img {
        width: 100%;
        height: 50%;
        top: 45%;
        left: 25%;
    }

    .airseat-description-section>span {
        top: 48%;
        left: 5%;
        font-size: 12px;
        font-weight: 500;
    }

    .description-area {
        position: initial;
        width: 100%;
        height: 91%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .problem-question-area {
        /* height: 30%; */
        padding-top: 56px !important;
        padding: 0;
        line-height: 140%;
        justify-content: start;
        background-size: 100%;
        background-position: 100% -15%;
    }

    .problem-question-area p:first-child {
        font-size: 18px;
    }

    .problem-question-area p:last-child {
        font-size: 12px;
        line-height: 180%;
        font-weight: 500;
    }

    .what-is-airseat {
        margin: 0;
    }

    .what-is-airseat p {
        font-weight: 500;
        line-height: 180%;
        font-size: 12px;
        width: 295px;
    }

    .what-is-airseat h2>span:first-child {
        font-size: 28px;
    }

    .what-is-airseat h2>span:last-child {
        font-size: 16px;
    }

    .the-secret-of-airseat-top {
        flex-direction: column;
    }

    .airseat-secret-title h3 {
        padding: 2rem 0;
    }

    .airseat-secret-title h3 span:first-child {
        font-size: 32px;
    }

    .airseat-secret-title h3 span:last-child {
        font-size: 26px;
    }

    .airseat-secret-title {
        flex: none;
    }

    .airseat-secret-card {
        flex: none;
        height: 710px;
        overflow: hidden;
    }

    .airseat-secret-card .product-summary>p:last-child {
        font-size: 14px;
        padding: 0;
    }

    .airseat-secret-one-content .text>.product-detail {
        padding: 0;
        font-size: 12px;
        line-height: 180%;
    }

    .airseat-secret-three-img {
        margin-top: 20px;
    }

    .the-secret-of-airseat-bottom .airseat-secret-card:nth-child(2) .airseat-secret-one-content .text {
        justify-content: initial;
    }

    .the-secret-of-airseat-bottom .airseat-secret-card:nth-child(2) .airseat-secret-one-content .text>.product-detail {
        margin-top: 5rem;
    }

    .airseat-secret-one-img {
        position: absolute;
        width: 100%;
        right: 0;
        top: -10px;
    }

    .the-secret-of-airseat-section {
        padding: 0;
    }

    .the-secret-of-airseat-bottom {
        flex-direction: column;
    }

    .airseat-secret-two-img {
        width: 100%;
        top: 37%;
        left: 0;
    }

    .airseat-secret-three-img {
        width: 90%;
        padding: 0;
    }

    .airseat-secret-one-content {
        padding: 1.5rem 20px 20px;
    }

    .airseat-secret-one-content .caution {
        letter-spacing: -1px;
    }

    .airseat-secret-one-content .number {
        margin-bottom: 28px;
        font-size: 20px;
    }

    .airseat-secret-card .product-summary>p:first-child {
        font-size: 18px;
        line-height: 140%;
        font-weight: 700;
        padding: 0;
        letter-spacing: -1.1px;
    }

    .airseat-secret-one-content .text {
        height: 85%;
    }

    #how-to-section {
        height: 2780px;
        background-image: url(/images/air_seat/how-to-use-bg-sp.svg);
        background-repeat: no-repeat;
        background-position: top;
        background-size: cover;
        margin-top: 251px;
        position: relative;
    }

    .how-to-title {
        position: absolute;
        top: -8%;
        left: 50%;
        transform: translateX(-50%);
    }

    .flow-card:first-child {
        margin-top: 64px;
    }

    #development-story {
        padding: 24px 1rem 32px;
        overflow: hidden;
        margin: 0;
        border-radius: 24px;
    }

    #development-story .message-area {
        padding-left: 0;
    }

    .development-story-title {
        font-size: 16px;
        line-height: 80%;
    }

    .development-story-inner {
        flex-direction: column;
        gap: 1rem;
    }

    .message-block {
        margin-top: 0;
    }

    .message-block>.apostrophe1-img {
        transform: scale(0.8);
    }

    .message-block>.apostrophe2-img {
        transform: scale(0.8) translateX(-.5rem);
    }

    .development-story-message h4 {
        font-size: 16px;
        line-height: 180%;
        letter-spacing: -0.6px;
        margin-top: 24px;
    }

    .development-story-message>p {
        line-height: 180%;
        font-weight: 500;
    }

    .profiles > .profile {
        margin-top: 16px
    }

    .profiles {

    }

    .profile-img {
        height: 120px;
        width: 120px;
    }

    .profile-eg-name {
        white-space: nowrap;
        font-size: 20px;
        font-weight: 600;
        line-height: 80%;
        margin-top: 8px;
    }

    .profile-name {
        font-size: 12px;
        line-height: 180%;
        margin-top: 12px;
    }

    .profile-role {
        font-size: 14px;
        line-height: 180%;
        font-weight: 700;
    }

    .message-area {
        padding-left: 0;
    }

    .customer-voice-cotainer {
        flex-direction: column;
        display: flex;
        gap: 20px;
    }

    #customer-voice-section {
        margin-top: 72px;
    }

    .customer-voice-card {
        max-width: 100%;
        width: auto;
        padding: 24px 16px;
    }

    .customer-voice-card>img {
        transform: scale(0.5);
        left: 45%;
        top: 0;
    }

    .customer-profiel>div {
        margin: 24px 0;
    }

    .customer-comment .description {
        font-size: 12px;
        -webkit-line-clamp: 8;
        line-height: 150%;
    }

    .customer-apostrophe {
        transform: scale(0.75) translateX(-4px);
    }

    #product-links-section {
        flex-direction: column;
        margin-bottom: 0;
    }

    .airseat-cover-card {
        padding: 40px 1rem 27px;
    }

    .airseat-cover-card h3 {
        margin: 10px 0 16px;
        line-height: 65%;
        font-size: 48px;
    }

    .airseat-cover-img {
        width: 50%;
        top: 30%;
    }

    .airseat-prototype-area {
        font-size: 12px;
        margin-top: 48px;
    }

    .airseat-prototype-area .material-symbols-outlined {
        transform: scale(2, 3) translate(-8px, 1.0px);
    }

    .airseat-cover-card.airseat-cover .point {
        margin-top: 1rem;
    }

    .airseat-cover-card>p {
        width: 70%;
    }

    .producut-title>p:last-child {
        font-size: 12px;
    }

    .product-info-area>p {
        margin-top: 16px;
        font-size: 12px;
        width: 62%;
    }

    .airseat-cover-card.murenaine {
        background-image: url(/images/top/murenaine-sp.svg);
    }

    .airseat-cover-card:not(.murenaine) .price-area {
        margin-top: 73px!important;
    }

    .airseat-cover-card.murenaine .price-area {
        margin-bottom: 30px;
    }

    .airseat-cover-card>.price-area .price {
        font-weight: 500;
    }

    .airseat-cover-card .caution {
        bottom: 16px;
        font-weight: 400;
    }

    .airseat-cover-card>.price-area>.here img {
        height: 40px;
        width: 40px;
    }

    .airseat-cover-card>.price-area>.here>span {
        font-size: 12px;
    }

    .airseat-cover-card .hashtags {
        margin-top: 16px!important;
        font-size: 10px;
    }

    .airseat-cover-card .hashtags>li:not(:first-child) {
        margin-top: 4px;
    }

    .murenaine-hashtag-area {
        display: flex;
        flex-direction: row-reverse;
        align-items: end;
        justify-content: space-between;
        margin-bottom: 10px;
        margin-top: 96px;
    }

    .murenaine-hashtag-area>p {
        font-size: 10px;
    }

    .product-slider {
        display: none;
    }

    .flow-area {
        display: block;
        padding: 1rem 2.5rem 0;
    }

    .flow-arrow {
        display: inline-block;
        text-align: center;
        width: 100%;
        padding: 32px 0;
        transform: rotate(90deg);
    }

    .flow-container>p {
        white-space: normal;
        margin-top: 2rem;
        line-height: 140%;
    }

    .flow-container>p .break {
        display: block;
    }

    .flow-card>p {
        font-size: 16px;
        margin-top: 2rem;
    }

    .video-area {
        flex-direction: column-reverse;
        margin: 72px 1rem;
        gap: 48px;
        height: 580px;
    }

    .video-area>iframe {
        width: 100%;
    }

    .video-description {
        padding: 0 1rem;
    }

    .video-description .caution {
        margin-top: 0;
        font-size: 10px;
        font-weight: 400;
    }

    .video-description .tab {
        gap: 16px;
        margin-bottom: 32px;
        height: auto;
    }

    #customer-voice-section h2 {
        font-size: 16px;
        margin: 4rem 0 2rem 16px;
    }


}