/* =========================================================
   ORTHODONTICS
========================================================= */


/* =========================================================
   BASE
========================================================= */

.ortho-page {
    background: #ffffff;
    color: #29332e;
}

.ortho-page .container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.ortho-page p {
    margin-top: 0;
}

.ortho-page img {
    max-width: 100%;
}


/* =========================================================
   BREADCRUMB
========================================================= */

.ortho-page .breadcrumb {
    background: #ffffff;
    border-bottom: 1px solid #e4e8e5;
}

.ortho-page .breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0;
    padding: 14px 0;
    list-style: none;
    color: #818985;
    font-size: 11px;
}

.ortho-page .breadcrumb li {
    margin: 0;
    padding: 0;
}

.ortho-page .breadcrumb li:not(:last-child)::after {
    content: "/";
    margin-left: 7px;
    color: #b6bbb8;
}

.ortho-page .breadcrumb a {
    color: #66716b;
    text-decoration: none;
}


/* =========================================================
   COMMON HEADING
========================================================= */

.section-label {
    margin: 0 0 10px;
    color: #7d9388;
    font-family: Arial, sans-serif;
    font-size: 10px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.22em;
}

.section-heading {
    width: 100%;
    margin-bottom: 45px;
}

.section-heading h2,
.ortho-two-column__content h2,
.ortho-intro__content h2,
.ortho-cta__inner h2 {
    margin: 0 0 24px;
    color: #29352f;
    font-family:
        "Noto Serif JP",
        "Yu Mincho",
        "Hiragino Mincho ProN",
        serif;
    font-size: 31px;
    font-weight: 500;
    line-height: 1.55;
    letter-spacing: 0.025em;
}

.section-heading > p:not(.section-label) {
    width: 100%;
    margin: 0;
    color: #5c6761;
    font-size: 15px;
    line-height: 2;
}


/* =========================================================
   INTRO
========================================================= */

.ortho-intro {
    padding: 65px 0 70px;
}

.ortho-intro__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
    gap: 70px;
    align-items: center;
}

.ortho-intro__content {
    min-width: 0;
}

.ortho-intro__content p:not(.section-label) {
    width: 100%;
    margin: 0 0 19px;
    color: #58635d;
    font-size: 15px;
    line-height: 2.05;
}

.ortho-intro__content p:last-child {
    margin-bottom: 0;
}

.ortho-intro__image {
    width: 100%;
}

.ortho-intro__image img {
    display: block;
    width: 100%;
    height: auto;
}


/* =========================================================
   TROUBLE
========================================================= */

.ortho-trouble {
    padding: 65px 0 75px;
    background: #f2f5f3;
}

.ortho-trouble__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: #dce3df;
    border: 1px solid #dce3df;
}

.ortho-trouble__item {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 75px;
    padding: 18px 24px;
    background: #ffffff;
}

.ortho-trouble__item span {
    flex: 0 0 auto;
    color: #8da097;
    font-size: 12px;
}

.ortho-trouble__item p {
    margin: 0;
    color: #3e4c45;
    font-size: 15px;
    line-height: 1.7;
}


/* =========================================================
   TWO COLUMN
========================================================= */

.ortho-about,
.ortho-extraction {
    padding: 75px 0;
}

.ortho-two-column {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.9fr);
    gap: 70px;
    align-items: center;
}

.ortho-two-column--reverse {
    grid-template-columns: minmax(380px, 0.9fr) minmax(0, 1fr);
}

.ortho-two-column__content {
    min-width: 0;
}

.ortho-two-column__content p:not(.section-label) {
    width: 100%;
    margin: 0 0 19px;
    color: #58635d;
    font-size: 15px;
    line-height: 2.05;
}

.ortho-two-column__content p:last-child {
    margin-bottom: 0;
}

.ortho-two-column__image {
    width: 100%;
}

.ortho-two-column__image img {
    display: block;
    width: 100%;
    height: auto;
}


/* =========================================================
   FEATURES
========================================================= */

.ortho-features {
    padding: 70px 0;
    background: #f6f4ef;
}

.ortho-feature-list {
    border-top: 1px solid #d8d7d1;
}

.ortho-feature {
    display: grid;
    grid-template-columns: 105px minmax(0, 1fr);
    gap: 30px;
    padding: 38px 0;
    border-bottom: 1px solid #d8d7d1;
}

.ortho-feature__number {
    color: #9b8053;
    font-size: 31px;
    line-height: 1;
}

.ortho-feature__body h3 {
    margin: 0 0 12px;
    color: #334139;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.6;
}

.ortho-feature__body p {
    width: 100%;
    margin: 0;
    color: #5b655f;
    font-size: 14px;
    line-height: 2;
}


/* =========================================================
   CASE TYPE
========================================================= */

.ortho-case-types {
    padding: 75px 0;
}

.ortho-case-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.ortho-case-card {
    background: #f5f7f6;
}

.ortho-case-card__image {
    width: 100%;
    /*aspect-ratio: 4 / 3;*/
    overflow: hidden;
    background: #e9edeb;
}

.ortho-case-card__image img {
    display: block;
    width: 100%;
    /*height: 100%;
    object-fit: cover;*/
}

.ortho-case-card__body {
    padding: 26px 24px 28px;
}

.ortho-case-card__en {
    margin: 0 0 7px;
    color: #82978c;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.18em;
}

.ortho-case-card h3 {
    margin: 0;
    color: #2f3d36;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.5;
}

.ortho-case-card__sub {
    margin: 5px 0 14px;
    color: #8a7550;
    font-size: 12px;
    font-weight: 600;
}

.ortho-case-card__body > p:last-child {
    margin: 0;
    color: #5e6862;
    font-size: 13px;
    line-height: 1.9;
}


/* =========================================================
   APPLIANCE
========================================================= */

.ortho-appliance {
    padding: 75px 0;
    background: #eef3f0;
}

.ortho-appliance__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
}

.ortho-appliance-card {
    background: #ffffff;
}

.ortho-appliance-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #e5eae7;
}

.ortho-appliance-card__image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ortho-appliance-card__body {
    padding: 30px;
}

.ortho-appliance-card h3 {
    margin: 0 0 13px;
    color: #304039;
    font-size: 19px;
    font-weight: 600;
}

.ortho-appliance-card p {
    width: 100%;
    margin: 0;
    color: #5c6660;
    font-size: 14px;
    line-height: 2;
}


/* =========================================================
   COMPARISON
========================================================= */

.ortho-compare {
    padding: 75px 0;
}

.ortho-table-wrap {
    width: 100%;
    overflow-x: auto;
}

.ortho-compare-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.ortho-compare-table th,
.ortho-compare-table td {
    padding: 20px 22px;
    border: 1px solid #d7ded9;
    font-size: 13px;
    line-height: 1.8;
    vertical-align: top;
}

.ortho-compare-table thead th {
    background: #405b4d;
    color: #ffffff;
    font-weight: 600;
    text-align: center;
}

.ortho-compare-table thead th:first-child {
    width: 20%;
    background: #334a3e;
}

.ortho-compare-table tbody th {
    background: #edf2ef;
    color: #3f4e46;
    font-weight: 600;
    text-align: left;
}

.ortho-compare-table tbody td {
    background: #ffffff;
    color: #59645e;
}

.ortho-related-link {
    margin-top: 30px;
}

.ortho-related-link a {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 22px 25px;
    border: 1px solid #ccd7d1;
    color: #3d5347;
    text-decoration: none;
}

.ortho-related-link span {
    color: #82978c;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.18em;
}

.ortho-related-link b {
    margin-left: auto;
    font-size: 18px;
    font-weight: 400;
}


/* =========================================================
   EXTRACTION
========================================================= */

.ortho-extraction {
    background: #f7f5f1;
}


/* =========================================================
   PERIOD
========================================================= */

.ortho-period {
    padding: 75px 0;
}

.ortho-period__box {
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    border: 1px solid #d8dfdb;
}

.ortho-period__main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px;
    background: #405b4d;
    color: #ffffff;
}

.ortho-period__main span {
    margin-bottom: 10px;
    font-size: 11px;
    letter-spacing: 0.12em;
}

.ortho-period__main strong {
    font-family:
        "Noto Serif JP",
        "Yu Mincho",
        "Hiragino Mincho ProN",
        serif;
    font-size: 27px;
    font-weight: 500;
    line-height: 1.5;
}

.ortho-period__text {
    padding: 35px 40px;
    background: #ffffff;
}

.ortho-period__text p {
    width: 100%;
    margin: 0 0 15px;
    color: #5b655f;
    font-size: 14px;
    line-height: 2;
}

.ortho-period__text p:last-child {
    margin-bottom: 0;
}


/* =========================================================
   FLOW
========================================================= */

.ortho-flow {
    padding: 75px 0;
    background: #eef3f0;
}

.ortho-flow__list {
    border-top: 1px solid #ccd7d1;
}

.ortho-flow-item {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 35px;
    padding: 34px 0;
    border-bottom: 1px solid #ccd7d1;
}

.ortho-flow-item__number {
    color: #738d7f;
    font-size: 28px;
}

.ortho-flow-item__body h3 {
    margin: 0 0 10px;
    color: #33423a;
    font-size: 18px;
    font-weight: 600;
}

.ortho-flow-item__body p {
    width: 100%;
    margin: 0;
    color: #5b655f;
    font-size: 14px;
    line-height: 2;
}


/* =========================================================
   RISK
========================================================= */

.ortho-risk {
    padding: 75px 0;
}

.ortho-risk__box {
    padding: 35px 40px;
    border: 1px solid #d8d8d3;
    background: #f8f7f4;
}

.ortho-risk__box ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.ortho-risk__box li {
    position: relative;
    margin: 0;
    padding: 14px 0 14px 25px;
    border-bottom: 1px solid #dfded9;
    color: #59635d;
    font-size: 14px;
    line-height: 1.9;
}

.ortho-risk__box li:last-child {
    border-bottom: 0;
}

.ortho-risk__box li::before {
    content: "";
    position: absolute;
    top: 25px;
    left: 3px;
    width: 6px;
    height: 6px;
    background: #758d80;
}


/* =========================================================
   FAQ
========================================================= */

.ortho-faq {
    padding: 75px 0;
    background: #f5f3ef;
}

.ortho-faq__list {
    border-top: 1px solid #d8d6d0;
}

.ortho-faq-item {
    border-bottom: 1px solid #d8d6d0;
}

.ortho-faq-item summary {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 10px;
    color: #34423a;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.7;
    cursor: pointer;
    list-style: none;
}

.ortho-faq-item summary::-webkit-details-marker {
    display: none;
}

.ortho-faq-item summary::after {
    content: "+";
    margin-left: auto;
    color: #72867b;
    font-family: Arial, sans-serif;
    font-size: 22px;
    font-weight: 300;
}

.ortho-faq-item[open] summary::after {
    content: "−";
}

.ortho-faq-item__q {
    flex: 0 0 auto;
    color: #718b7d;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 20px;
}

.ortho-faq-item__answer {
    display: grid;
    grid-template-columns: 35px minmax(0, 1fr);
    gap: 15px;
    padding: 0 10px 28px 55px;
}

.ortho-faq-item__answer > span {
    color: #a18454;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 20px;
}

.ortho-faq-item__answer p {
    width: 100%;
    margin: 0;
    color: #5b655f;
    font-size: 14px;
    line-height: 2;
}


/* =========================================================
   RELATED
========================================================= */

.ortho-related {
    padding: 75px 0;
}

.ortho-related__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 25px;
}

.ortho-related-card {
    display: block;
    padding: 32px;
    border: 1px solid #d4ddd8;
    color: inherit;
    text-decoration: none;
    transition:
        background 0.3s ease,
        border-color 0.3s ease;
}

.ortho-related-card:hover {
    background: #f2f6f4;
    border-color: #aebfb6;
}

.ortho-related-card > span {
    display: block;
    margin-bottom: 10px;
    color: #80958a;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.18em;
}

.ortho-related-card h3 {
    margin: 0 0 13px;
    color: #33423a;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.6;
}

.ortho-related-card p {
    width: 100%;
    margin: 0 0 20px;
    color: #5e6862;
    font-size: 13px;
    line-height: 1.9;
}

.ortho-related-card b {
    color: #526c5e;
    font-size: 11px;
    font-weight: 600;
}


/* =========================================================
   CTA
========================================================= */

.ortho-cta {
    padding: 65px 0;
    background: #31493d;
}

.ortho-cta__inner {
    width: min(850px, 100%);
}

.ortho-cta .section-label {
    color: #b7c8bf;
}

.ortho-cta__inner h2 {
    color: #ffffff;
}

.ortho-cta__inner > p:not(.section-label) {
    width: 100%;
    margin: 0;
    color: #e3e9e6;
    font-size: 14px;
    line-height: 2;
}

.ortho-cta__buttons {
    display: flex;
    gap: 15px;
    margin-top: 35px;
}

.ortho-cta__button {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    min-height: 58px;
    padding: 15px 25px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.ortho-cta__button--reserve {
    background: #ffffff;
    color: #31493d;
}

.ortho-cta__button--contact {
    border: 1px solid rgba(255, 255, 255, 0.55);
    color: #ffffff;
}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 960px) {

    .ortho-intro__grid,
    .ortho-two-column,
    .ortho-two-column--reverse {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .ortho-case-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}


/* =========================================================
   SMARTPHONE
========================================================= */

@media (max-width: 767px) {

    .ortho-page .container {
        width: calc(100% - 36px);
    }


    /* COMMON */

    .section-heading {
        margin-bottom: 30px;
    }

    .section-heading h2,
    .ortho-two-column__content h2,
    .ortho-intro__content h2,
    .ortho-cta__inner h2 {
        margin-bottom: 18px;
        font-size: 24px;
        line-height: 1.6;
    }

    .section-heading > p:not(.section-label),
    .ortho-intro__content p:not(.section-label),
    .ortho-two-column__content p:not(.section-label) {
        font-size: 14px;
        line-height: 2;
    }


    /* INTRO */

    .ortho-intro {
        padding: 45px 0 50px;
    }

    .ortho-intro__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }


    /* TROUBLE */

    .ortho-trouble {
        padding: 50px 0;
    }

    .ortho-trouble__grid {
        grid-template-columns: 1fr;
    }

    .ortho-trouble__item {
        min-height: 65px;
        padding: 15px 18px;
    }


    /* TWO COLUMN */

    .ortho-about,
    .ortho-extraction {
        padding: 50px 0;
    }

    .ortho-two-column,
    .ortho-two-column--reverse {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .ortho-two-column--reverse .ortho-two-column__image {
        order: 2;
    }

    .ortho-two-column--reverse .ortho-two-column__content {
        order: 1;
    }


    /* FEATURES */

    .ortho-features {
        padding: 50px 0;
    }

    .ortho-feature {
        grid-template-columns: 55px minmax(0, 1fr);
        gap: 15px;
        padding: 28px 0;
    }

    .ortho-feature__number {
        font-size: 24px;
    }

    .ortho-feature__body h3 {
        font-size: 17px;
    }


    /* CASE */

    .ortho-case-types {
        padding: 50px 0;
    }

    .ortho-case-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }


    /* APPLIANCE */

    .ortho-appliance {
        padding: 50px 0;
    }

    .ortho-appliance__grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .ortho-appliance-card__body {
        padding: 23px 20px;
    }


    /* COMPARISON */

    .ortho-compare {
        padding: 50px 0;
    }

    .ortho-compare-table {
        min-width: 700px;
    }

    .ortho-related-link a {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .ortho-related-link b {
        display: none;
    }


    /* PERIOD */

    .ortho-period {
        padding: 50px 0;
    }

    .ortho-period__box {
        grid-template-columns: 1fr;
    }

    .ortho-period__main {
        padding: 28px 22px;
    }

    .ortho-period__main strong {
        font-size: 23px;
    }

    .ortho-period__text {
        padding: 25px 22px;
    }


    /* FLOW */

    .ortho-flow {
        padding: 50px 0;
    }

    .ortho-flow-item {
        grid-template-columns: 48px minmax(0, 1fr);
        gap: 15px;
        padding: 27px 0;
    }

    .ortho-flow-item__number {
        font-size: 21px;
    }


    /* RISK */

    .ortho-risk {
        padding: 50px 0;
    }

    .ortho-risk__box {
        padding: 20px;
    }

    .ortho-risk__box li {
        padding-left: 20px;
        font-size: 13px;
    }


    /* FAQ */

    .ortho-faq {
        padding: 50px 0;
    }

    .ortho-faq-item summary {
        gap: 12px;
        padding: 21px 5px;
        font-size: 14px;
    }

    .ortho-faq-item__answer {
        grid-template-columns: 25px minmax(0, 1fr);
        gap: 10px;
        padding: 0 5px 25px 37px;
    }

    .ortho-faq-item__answer p {
        font-size: 13px;
    }


    /* RELATED */

    .ortho-related {
        padding: 50px 0;
    }

    .ortho-related__grid {
        grid-template-columns: 1fr;
    }

    .ortho-related-card {
        padding: 25px 22px;
    }


    /* CTA */

    .ortho-cta {
        padding: 50px 0;
    }

    .ortho-cta__buttons {
        flex-direction: column;
    }

    .ortho-cta__button {
        width: 100%;
        min-width: 0;
    }

}