.tab-nav {
    margin-top: var(--spacing-8);
}

.tab-nav .sub-container {
    display: flex;
    flex-wrap: wrap;
}

.tab-nav__item {
    flex: 1 1 calc(33.333%);
    flex-grow: 1;

    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-6) 0;
    background-color: #f0f0f0;
    text-align: center;
}

.tab-nav__item--active {
    font-weight: 700;
    background-color: #7a6ace;
    color: #fff;
}

.section-intro .intro-img {
    margin-top: var(--spacing-10);

    position: relative;
}

.section-intro .intro-img.card-pb {
    padding-bottom: 230px;
}

.intro-img__p {
    display: none;
}

.section-intro .info-card {
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);

    width: 90%;
    padding: var(--spacing-8);
    background: url('../img/traffic-info-card-bg.png') no-repeat center / cover;
    aspect-ratio: 469 / 244;

    border-top-right-radius: 50px;
    border-bottom-left-radius: 50px;
}

.info-card__title {
    margin-top: var(--spacing-2);
    font-size: 1.25rem;
    font-weight: 700;
}

.info-card__divider {
    display: block;
    height: var(--spacing-8);
    margin: var(--spacing-4) 0;
    border-left: 1px solid #fff;
}

.section-intro .info-card__desc {
    line-height: 1.6;
    white-space: pre-line;
}

.section-intro .info-card__desc strong {
    font-size: 1.125rem;
    font-weight: 600;
}

.section-cards {
    background-color: #f7f7fd;
}

.section-cards.is-bg {
    background: url('../img/check-grid-bg.jpg') no-repeat right / cover;
}

.section-cards.bg-white {
    background-color: #fff;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-8);
}

.card-grid__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;

    padding: var(--spacing-6);

    border: 1px solid var(--highlight-color);
    border-radius: 18px;

    background-color: #fff;
}

.card-grid__thumb {
    /* aspect-ratio: 4 / 3; */
    overflow: hidden;
}

.card-grid__thumb img {
    border-radius: 18px;
}

.card-grid__label {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);

    font-size: 1.125rem;
    font-weight: 700;

    line-height: 1.4;
    text-align: center;
    white-space: pre-line;
}

.card-grid__num {
    font-size: 0.875rem;
    font-weight: 500;
}

.card-grid__desc {
    line-height: 1.6;
    text-align: center;
    word-break: auto-phrase;
}

.section-treatment {
    background-color: #f5f5f5;
}

.section-treatment.bg-lavender {
    background-color: #f7f7fd;
}

.treatment-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-8);
}

.treatment-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.treatment-card__thumb {
    position: relative;
}

.treatment-card__badge-group {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3);
    width: 100%;
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
}

.treatment-card__badge {
    border: 2px solid #fff;
    padding: var(--spacing-3);
    border-radius: 50px;
    font-size: 0.825rem;
    font-weight: 500;
    color: #fff;
}

#menopause-card .treatment-card__badge {
    font-size: 0.625rem;
}

.treatment-card__body {
    flex: 1;  
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: var(--spacing-8) 28px;
    background-color: #fff;
}

.treatment-card__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    font-size: 1.25rem;
    letter-spacing: -1px;
}

.treatment-card__title .badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--spacing-6);
    font-size: 1.25rem;
    color: #fff;
    background-color: #464095;
}

.treatment-card__title span {
    font-size: 0.875rem;
    font-weight: 500;
}

.treatment-card__desc strong {
    display: block;
    margin-bottom: var(--spacing-4);
    font-size: 1rem;
}

.treatment-card__desc {
    font-size: 0.875rem;
    line-height: 1.6;
}

.treatment-card__checklist {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-4);
}

.treatment-card__checklist li {
    position: relative;
    padding-left: var(--spacing-8);
}

.treatment-card__checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;

    width: 20px;
    height: 20px;

    background: url('../img/treatment-card__checklist-icon.png') no-repeat center / contain;
}

.standards-list {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 18px;
}

.standards-item {
    position: relative;
    padding: var(--spacing-4) var(--spacing-6) var(--spacing-12) var(--spacing-6);

    background: #f7f7fd;
}

.standards-item__num {
    color: #6b66a4;
    font-size: 0.875rem;
    font-weight: 700;
}

.standards-item__title {
    display: block;
    margin-top: var(--spacing-6);
    margin-bottom: 18px;
    font-size: 1.125rem;
    font-weight: 700;
}

.standards-item__desc {
    font-size: 0.875rem;
    line-height: 1.6;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.standards-item__icon {
    position: absolute;
    bottom: 16px;
    right: 16px;
}

.standards-item__icon img {
    width: 36px;
}

.section-process {
    background: url('../img/chuna-process-bg.jpg') no-repeat center / cover;
    aspect-ratio: 1920 / 615;
}

.section-process .text-header .subhead {
    color: #fff;
}

.section-process .sub-container .text-header .caption {
    color: #fff;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 64px;
    position: relative;
    list-style: none;
    margin-top: 18px;
    padding: 0;
}

.process-steps::before {
    content: "";
    position: absolute;
    top: 25px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        to right,
        rgba(255,255,255,0.4) 0%,  
        rgba(255,255,255,0.4) 80%, 
        rgba(255,255,255,0) 100%  
    );

    display: none;
}

.process-step {
    flex: 1; 
}

.process-step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    position: relative;
    margin-bottom: var(--spacing-10);

    border: 1px solid #fff;
    border-radius: 50%;
    background-color: #403a81;
    z-index: 1;

    font-size: 1.25rem;
    font-weight: 700;
}

.process-step__title {
    display: block;
    margin-bottom: var(--spacing-6);
    font-size: 1.25rem;
    font-weight: 700;
}

.process-step__desc {
    line-height: 1.6;
    white-space: pre-line;
    opacity: 0.9;
}

.cta-banner {
    background-color: #1e1c34;
}

.cta-banner .sub-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    justify-content: center;
    align-items: center;
    padding-top: var(--spacing-8);
    padding-bottom: var(--spacing-8)
}

.cta-banner .sub-container img {
    width: var(--spacing-4);
    height: var(--spacing-4);
}

.cta-banner__text {
    font-size: 1rem;
    text-align: center;
    white-space: pre-line;
}

.section-timeline {
    background-color: #f4f4f4;
}

.timeline {
    text-align: center;
}

.timeline__step-img {
    margin-bottom: var(--spacing-6);
    padding: var(--spacing-8);
    border-radius: var(--spacing-6);
    background-color: #fff;
    text-align: center;
}

.timeline__img-p {
    display: none;
    margin: 0 auto;
}

.section-circulation.is-bg {
    background: url('../img/check-grid-bg.jpg') no-repeat right / cover;
}

.circulation-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-6);
}

.circulation-card .card {
    display: flex;
    flex-direction: column;
    flex: 1;

    border-radius: var(--spacing-6);
}

.circulation-card .card-img {
    position: relative;
}

.circulation-card .card-title {
    position: absolute;
    bottom: 0;

    width: 100%;
    padding: var(--spacing-4) 0;

    background-color: #a2a2a2;

    font-size: 1.25rem;
    font-weight: 700;

    text-align: center;
} 

.circulation-card .card-title .badge {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: 20px;
    background-color: #fff;
}

.circulation-card .card-title.is-primary {
    background-color: var(--highlight-color);
}

.circulation-card .card-desc {
    flex: 1;
    padding: var(--spacing-4);
    text-align: center;
    background: #f4f4f4;
    border-bottom-left-radius: var(--spacing-6);
    border-bottom-right-radius: var(--spacing-6);

    line-height: 1.6;
}

.circulation-card .card-desc span {
    color: #8f8f8f;
}

.circulation-dsec {
    margin-top: var(--spacing-8);
    text-align: center;
    white-space: pre-line;
    line-height: 1.6;
}

.section-symptom-list {
    background-color: #f7f7fd;
}

.symptom-list {
    display: flex;
    flex-direction: column;
    gap: 90px;
}

.symptom-list__item {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: var(--spacing-12);
    align-items: center;
}

.symptom-list__media {
    text-align: right;
}

.symptom-list__body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

.symptom-list__num {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--highlight-color);
    opacity: 0.4;
}

.symptom-list__title {
    font-size: 1.125rem;
    font-weight: 700;
}

.symptom-list__desc {
    line-height: 1.6;
}

.symptom-list__bullets {
    font-weight: 600;
    
    line-height: 1.6;
    border-left: 1px solid #111;
}

.symptom-list__bullets li {
    margin-left: var(--spacing-4);
}

.section-check {
    background: url('../img/check-grid-bg.jpg') no-repeat right / cover;
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
}

.check-grid__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    min-height: 70px;
    padding: var(--spacing-4);
    border-radius: 20px;
    background-color: #f7f7fd;
}

.check-grid__num {
    font-weight: 700;
    color: #6b66a4;
    opacity: 0.4;
}

.section-check .circulation-card {
    margin-bottom: var(--spacing-6);
}

.faq-list {
    border-top: 1px solid var(--border-color);
}
 
.faq-list__item {
    border-bottom: 1px solid var(--border-color);
}
 
.faq-list__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-8) var(--spacing-10);
    cursor: pointer;
    list-style: none;
    gap: var(--spacing-4);
}
 
.faq-list__head::-webkit-details-marker { display: none; }
 
.faq-list__info {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex: 1;
    min-width: 0;
}
 
.faq-list__badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
    letter-spacing: 0;
}
 
.faq-list__badge--q {
    background-color: #9a9a9a;
    color: #fff;
}
 
.faq-list__badge--a {
    background-color: #7a6acd;
    color: #fff;
}
 
.faq-list__title {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.5;
    word-break: keep-all;
}
 
.faq-list__icon {
    flex-shrink: 0;
    transition: transform 0.35s ease;
}
 
.faq-list__details[open] .faq-list__icon {
    transform: rotate(180deg);
}

.faq-list__details.is-closing .faq-list__icon {
    transform: rotate(0deg);
}
 
.faq-list__body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
    overflow: hidden;
}
 
.faq-list__details[open] .faq-list__body {
    grid-template-rows: 1fr;
}
 
.faq-list__details.is-closing .faq-list__body {
    grid-template-rows: 0fr;
}
 
.faq-list__content {
    min-height: 0;
}
 
.faq-list__answer {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-4) var(--spacing-10) var(--spacing-8);
}
 
.faq-list__desc {
    margin: 0;
    line-height: 1.7;
    word-break: keep-all;
}

@media (min-width: 768px) {
    .tab-nav__item {
        font-size: 1.875rem;
    }

    .section-intro .info-card {
        bottom: -1rem;
        right: 8rem;
    }

    .info-card__eyebrow {
        font-size: 1.5rem;
    }

    .info-card__title {
        font-size: 1.875rem;
    }

    .section-intro .info-card__desc {
        font-size: 1.5rem;
    }

    .section-intro .info-card__desc strong {
        font-size: 1.7rem;
    }

    .card-grid__label {
        font-size: 2.25rem;
    }

    .card-grid__num {
        font-size: 1.75rem;
    }

    .card-grid__desc {
        font-size: 1.75rem;
    }

    .treatment-card__badge {
        font-size: 1.8rem;
    }

    #menopause-card .treatment-card__badge {
        font-size: 1.6rem;
    }

    .treatment-card__title {
        font-size: 2.25rem;
    }

    .treatment-card__title span {
        font-size: 1.75rem;
    }

    .treatment-card__desc strong {
        font-size: 2rem;
    }

    .treatment-card__desc {
        font-size: 1.875rem;
    }

    .treatment-card__checklist {
        grid-template-columns: repeat(2, 1fr);
    }

    .standards-item {
        padding: var(--spacing-10) var(--spacing-12) 100px var(--spacing-10);
    }

    .standards-item__num {
        font-size: 1.5rem;
    }

    .standards-item__title {
        font-size: 2.25rem;
    }

    .standards-item__desc {
        font-size: 1.875rem;
        white-space: pre-line;
    }

    .standards-item__icon {
        bottom: var(--spacing-8);
        right: var(--spacing-8);
    }

    .standards-item__icon img {
        width: 100%;
    }

    .process-step__num {
        width: 100px;
        height: 100px;
        font-size: 2.125rem;
    }

    .process-step__title {
        font-size: 2.125rem;
    }

    .process-step__desc {
        font-size: 1.875rem;
    }

    .cta-banner .sub-container {
        gap: var(--spacing-6);
    }

    .cta-banner .sub-container img {
        width: var(--spacing-6);
        height: var(--spacing-6);
    }

    .cta-banner__text {
        font-size: 2rem;
    }

    .timeline__step-img {
        padding: 56px 64px;
    }

    .circulation-card .card-title {
        font-size: 2.25rem;
    }

    .circulation-card .card-desc {
        padding: var(--spacing-8) 0;
        font-size: 1.875rem;
        white-space: pre-line;
    }

    .symptom-list__num {
        font-size: 2.25rem;
    }

    .symptom-list__title {
        font-size: 2.25rem;
    }

    .symptom-list__desc {
        font-size: 1.875rem;
    }

    .symptom-list__bullets {
        font-size: 1.875rem;
    }

    .check-grid__item {
        gap: var(--spacing-6);
        min-height: 140px;
        font-size: 1.875rem;
        padding: var(--spacing-8);
    }
}

@media (min-width: 1024px) {
    .tab-nav .sub-container {
        flex-wrap: nowrap;
    }

    .tab-nav__item {
        font-size: 1.125rem;
    }

    .section-intro .intro-img.card-pb {
        padding-bottom: 0;
    }

    .section-intro .intro-img__m {
        display: none;
    }

    .section-intro .intro-img__p {
        display: block;
    }

    .section-intro .info-card {
        bottom: -4rem;
        right: 8rem;
        left: unset;
        transform: none;

        width: unset;
        aspect-ratio: 469 / 244;
    }

    .info-card__eyebrow {
        font-size: 1rem;
    }

    .info-card__title {
        font-size: 1.25rem;
    }

    .section-intro .info-card__desc {
        font-size: 1rem;
    }

    .section-intro .info-card__desc strong {
        font-size: 1.125rem;
    }

    .section-cards.is-bg {
        background: url('../img/check-grid-bg.jpg') no-repeat center / cover;
    }

    .card-grid--col2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .card-grid--col3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .card-grid--col4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .card-grid__label {
        font-size: 1.5rem;
    }

    .card-grid__num {
        font-size: 1.4rem;
    }

    .card-grid__desc {
        font-size: 1.125rem;
    }

    .treatment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .treatment-grid.col-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .treatment-card__badge {
        font-size: 1.25rem;
    }

    #menopause-card .treatment-card__badge {
        font-size: 1rem;
    }

    .treatment-card__title {
        font-size: 1.875rem;
    }

    .treatment-card__title span {
        font-size: 1.4rem;
    }

    .treatment-card__desc strong {
        font-size: 1.25rem;
    }

    .treatment-card__desc {
        font-size: 1.125rem;
        white-space: pre-line;
    }

    .standards-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .standards-item {
        padding: var(--spacing-12) var(--spacing-12) 80px var(--spacing-12);
    }

    .standards-item__num {
        font-size: 1.25rem;
    }

    .standards-item__title {
        margin-top: var(--spacing-6);
        margin-bottom: 18px;
        font-size: 1.25rem;
    }

    .standards-item__desc {
        font-size: 1.125rem;
    }

    .process-steps {
        flex-direction: row;
        justify-content: space-between;
        gap: 0;
    }

    .process-steps::before {
        display: block;
    }

    .process-step__num {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
    }

    .process-step__title {
        font-size: 1.25rem;
    }

    .process-step__desc {
        font-size: 1rem;
    }

    .cta-banner .sub-container {
        flex-direction: row;
        gap: 18px;
    }

    .cta-banner .sub-container img {
        width: var(--spacing-6);
        height: var(--spacing-6);
    }

    .cta-banner__text {
        font-size: 1.5rem;
        text-align: center;
        white-space: normal;
    }

    .timeline__step-img {
        padding: 72px 0;
    }

    .timeline__img-p {
        display: block;
        width: 750px;
    }

    .timeline__img-m {
        display: none;
    } 

    .timeline__step-label {
        font-size: 1.125rem;
    }

    .section-circulation.is-bg {
        background: url('../img/check-grid-bg.jpg') no-repeat center / cover;
    }
    
    .circulation-card {
        flex-direction: row;
    }

    .circulation-card .card-title {
        font-size: 1.25rem;
    }

    .circulation-card .card-desc {
        font-size: 1.125rem;
        white-space: pre-line;
    }

    .circulation-dsec {
        font-size: 1.125rem;
    }

    .symptom-list__item {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6rem;
    }

    .symptom-list__item.reverse .symptom-list__media {
        text-align: left;
        order: 2;
    }

    .symptom-list__item.reverse .symptom-list__body {
        align-items: flex-end;
        text-align: right;
    }

    .symptom-list__num {
        font-size: 1.875rem;
    }

    .symptom-list__title {
        font-size: 1.875rem;
    }

    .symptom-list__desc {
        font-size: 1.125rem;
        white-space: pre-line;
    }

    .symptom-list__bullets {
        font-size: 1.125rem;
    }

    .section-check {
        background-position: center;
    }

    .check-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .check-grid.col-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .check-grid__item {
        min-height: 115px;
        font-size: 1.125rem;
    }

    .faq-list__title {
        font-size: 1.25rem;
    }

    .faq-list__desc {
        font-size: 1.125rem;
        white-space: pre-line;
    }
}

@media (min-width: 1280px) {
}

@media (min-width: 1440px) {
}