:root {
    --header-height: 110px;
    
    /* 基本色 */
    --color-black: #000;
    --color-white: #fff;
    
    /* グレースケール */
    --color-gray-light: #D6D6D6;
    --color-gray-medium: #929292;
    --color-gray-dark: #464646;
    --color-gray-darker: rgba(38, 37, 37, 1);
    --color-gray-darker2: #9F9F9F;
    
    /* ゴールド系 */
    --color-gold-light: #FCF4A6;
    --color-gold-medium: #D0BC59;
    --color-gold-dark: #D0BC5A;
    --color-gold-pale: #FFEDBD;
    --color-yellow-light: #FEEB7C;
    
    /* グリーン系 */
    --color-green: #16482B;
    
    /* 透明度を含む色 */
    --color-white-alpha-10: rgba(255, 255, 255, 0.1);
    --color-white-alpha-70: rgba(255, 255, 255, 0.70);
    --color-black-alpha-90: rgba(0, 0, 0, 0.9);
    
    /* テキスト関連の色 */
    --color-text-dark: #0A0809;
    
    /* グラデーション */
    --gradient-silver: linear-gradient(90deg, #929292 0%, #D6D6D6 100%);
    --gradient-gold: linear-gradient(270deg, #FCF4A6 3.29%, #D0BC59 100%);
    --gradient-silver-text: linear-gradient(270deg, #929292 0%, #D6D6D6 32.69%, #FFF 50%, #D6D6D6 66.35%, #929292 100%);
    --gradient-gray-text: linear-gradient(270deg, #929292 0%, #e9e9e9 100%);
    
    /* フォントファミリー */
    --font-family-text: "Zen Old Mincho", serif;
    --font-family-jp: "Noto Sans JP", sans-serif;
}
body:has(dialog[open]) {
    overflow: hidden;
}
/* main */
.main {
    --contents-width: 500px;
    position: relative; 
    display: -ms-grid; 
    display: grid;
    -ms-grid-columns: auto 215px var(--contents-width);
    grid-template-columns: auto 215px var(--contents-width);
    min-height: 100vh;
    color: var(--color-white);
    /* padding-block-start: var(--header-height); */
    font-family: var(--font-family-text);
    -webkit-padding-end: calc(100vw / 2 - (var(--contents-width) + calc(38 / 1600 * 100vw)));
            padding-inline-end: calc(100vw / 2 - (var(--contents-width) + calc(38 / 1600 * 100vw)));
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -ms-scroll-chaining: none;
        overscroll-behavior: contain;
}
@media screen and (max-width: 1280px) {
    .main {
        -ms-grid-columns: calc(215px + 182px) var(--contents-width);
        grid-template-columns: calc(215px + 182px) var(--contents-width);
    }
}
@media screen and (max-width: 896px) {
    .main {
        -ms-grid-columns: var(--contents-width);
        grid-template-columns: var(--contents-width);
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
        -webkit-padding-end: 0;
                padding-inline-end: 0;
    }
}
@media screen and (max-width: 768px) {
    .main {
        --header-height: 73px;
        --contents-width: 100%;
        -ms-grid-columns: 1fr;
        grid-template-columns: 1fr;
        padding-inline: 0;
    }
}
.main::before {
    content: "";
    display: block;
    block-size: 100dvh;
    inline-size: 100%;
    position: fixed;
    top: 0;
    background-image: url('../images/bg.jpg');
    background-size: cover;
    background-position: center;
    /* background-color: rgba(34,34,34,0.55);
    background-blend-mode: darken; */
    z-index: -1;
}

/* left-product */
.left-product {
    position: sticky;
    top: 0;
    height: 100dvh;
}
@media screen and (max-width: 1280px) {
    .left-product {
        display: none;
    }
}
@media screen and (max-width: 768px) {
    .left-product {
        display: none;
    }
}
.left-product__image img {
    display: block;
    height: auto;
    width: 100%;
    max-width: calc(353 / 1440 * 100vw);
    -o-object-fit: cover;
       object-fit: cover;
    -o-object-position: right;
       object-position: right;
    height: 100dvh;
}
.brand-kuro-kirishima-0906[data-header-scroll="false"] .left-product {
    top: 0;
    height: calc(100dvh);
}
.brand-kuro-kirishima-0906[data-header-scroll="false"] .left-product__image img {
    height: calc(100dvh);
}

/* anchor-list */
.anchor-list {
    position: sticky;
    top: 0;
    display: -ms-grid;
    display: grid;
    place-content: center;
    height: 100dvh;
    overflow: hidden;
}
@media screen and (max-width: 1280px) {
    .anchor-list {
        -webkit-padding-start: calc(182 / 1440 * 100vw);
                padding-inline-start: calc(182 / 1440 * 100vw);
    }
}
@media screen and (max-width: 896px) {
    .anchor-list {
        display: none;
    }
}
@media screen and (max-width: 768px) {
    .anchor-list {
        display: none;
    }
}
.anchor-list__list {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
}
.anchor-list__list-link {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    color: var(--color-white);
    text-decoration: none;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    font-size: calc(19 / 10 * 1rem);
    font-weight: 700;
    line-height: 100%;
    letter-spacing: 0.28px;
    padding-block: 12px 16px;
    gap: 8px;
    /* ボタン用のスタイルリセット */
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
    width: 100%;
    text-align: left;
    -webkit-transition: opacity 300ms ease;
    transition: opacity 300ms ease;
}
.anchor-list__list-link:focus-visible,
.anchor-list__list-link:hover {
    opacity: 0.7;
}
.anchor-list__list-link:focus-visible::after,
.anchor-list__list-link:hover::after {
    translate: 0 2px;
}
.anchor-list__list-link::after {
    content: "";
    display: inline-block;
    background-image: url('../images/anchor-link-icon.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 16px;
    height: 16px;
    -webkit-transition: translate 300ms ease;
    transition: translate 300ms ease;
}

/* scroll-area */
.scroll-area {
    position: sticky;
    top: var(--header-height);
    -webkit-padding-before: var(--header-height);
            padding-block-start: var(--header-height);
    background-color: var(--color-black);
    scroll-behavior: smooth;
}
.hero {
    -webkit-padding-after: 64px;
            padding-block-end: 64px;
}
@media screen and (max-width: 768px) {
    .hero {
        -webkit-padding-after: 0;
                padding-block-end: 0;
    }
}
.hero img {
    display: block;
    max-width: 100%;
    inline-size: 100%;
    height: auto;
}
.hero__catch {
    -webkit-margin-before: -35px;
            margin-block-start: -35px;
    padding-inline: 31.5px;
}
@media screen and (max-width: 768px) {
    .hero__catch {
        padding-inline: 18px;
    }
}
.hero__anchor-list {
    display: none;
    margin-block: 16px 32px;
    margin-inline: auto;
    padding-inline: 40px;
}
@media screen and (max-width: 768px) {
    .hero__anchor-list{
        display: block;
    }
}
.hero__anchor-list-link {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr 16px;
    grid-template-columns: 1fr 16px;
    color: var(--color-white);
    font-size: calc(16 / 10 * 1rem);
    font-weight: 700;
    line-height: 100%;
    letter-spacing: 0.48px;
    text-decoration: none;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    text-align: center;
    border-bottom: 1px solid var(--color-white-alpha-70);
    /* ボタン用のスタイルリセット */
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: inherit;
    cursor: pointer;
    width: 100%;
    padding: 16px 0;
    -webkit-box-sizing: content-box;
            box-sizing: content-box;
}
.hero__anchor-list-link::after {
    content: "";
    display: inline-block;
    background-image: url('../images/anchor-link-icon.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 16px;
    height: 16px;
}
.catch {
    padding: 120px 24px;
    background-image: url("../images/kuronohi-bg.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--color-black);
}
@media screen and (max-width: 768px) {
    .catch {
        padding: 64px 24px;
    }
}
.catch__inner {
    font-size: calc(18 / 10 * 1rem);
    font-weight: 400;
    line-height: 220%;
    letter-spacing: 0.72px;
    text-align: center;
}
@media screen and (max-width: 768px) {
    .catch__inner {
        font-size: calc(16 / 10 * 1rem);
        letter-spacing: 0.64px;
    }
}
.catch__inner span {
    display: block;
}
.certification {
    position: relative;
    display: block;
    padding-block: 56px 161px;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    background-image: url('../images/certification-bg.jpg');
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    background-color: var(--color-black);
}
@media screen and (max-width: 768px) {
    .certification {
        padding-block: 56px 120px;
    }
}
.certification__logo {
    display: -ms-grid;
    display: grid;
    place-content: center;
    margin-inline: auto;
}
.certification__logo img {
    display: block;
    height: auto;
    padding: 0 26px 24px 17px;
}
@media screen and (max-width: 768px) {
    .certification__logo img {
        max-width: calc(256 / 375 * 100vw);
        inline-size: 100%;
    }
}
.certification__description {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 24px;
    font-family: var(--font-family-jp);
}
.certification__description p {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    font-size: calc(16 / 10 * 1rem);
    font-weight: 400;
    line-height: 200%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
}
@media screen and (max-width: 768px) {
    .certification__description p {
        font-size: calc(14 / 10 * 1rem);
    }
}
.certification__description strong {
    font-size: calc(26 / 10 * 1rem);
    font-weight: 700;
    line-height: 180%;
    letter-spacing: 1.04px;
    font-family: var(--font-family-text);
}
@media screen and (max-width: 768px) {
    .certification__description strong {
        font-size: calc(24 / 10 * 1rem);
        letter-spacing: 0.96px;
    }
}
.certification__description p > :is(span, strong) {
    display: block;
    text-align: center;
}
.certification__description-arrow {
    margin-inline: auto;
}
.certification__description-arrow img {
    display: block;
    height: auto;
}
@media screen and (max-width: 768px) {
    .certification__description-arrow img {
        max-width: calc(47 / 375 * 100vw);
    }
}
.certification__start {
    position: relative;
    -webkit-padding-before: 40px;
            padding-block-start: 40px;
    padding-inline: 24px;
    z-index: 1;
}
.certification__start-inner {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 24px;
    background-color: var(--color-black);
    padding: 32px 24px 40px;
}
@media screen and (max-width: 768px) {
    .certification__start-inner {
        padding: 32px 16px 40px;
    }
}
.certification__start-title {
    text-align: center;
}
.certification__start-title-date {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: baseline;
        -ms-flex-align: baseline;
            align-items: baseline;
    gap: 1px;
    font-size: calc(26 / 10 * 1rem);
    font-weight: 700;
    line-height: 180%;
}
@media screen and (max-width: 768px) {
    .certification__start-title-date {
        font-size: calc(24 / 10 * 1rem);
        letter-spacing: -0.96px;
    }
}
.certification__start-title-date .certification__start-title-date-year {
    letter-spacing: -1.12px;
}
.certification__start-title-date .certification__start-title-date-month,
.certification__start-title-date .certification__start-title-date-day {
    font-size: calc(68 / 10 * 1rem);
    font-weight: 400;
    line-height: 100%;
    padding-inline: 0.5px 2.5px;
    letter-spacing: -2.72px;
}
@media screen and (max-width: 768px) {
    .certification__start-title-date .certification__start-title-date-month,
    .certification__start-title-date .certification__start-title-date-day {
        font-size: calc(56 / 10 * 1rem);
        letter-spacing: -2.24px;
    }
}
.certification__start-title-text {
    font-size: calc(30 / 10 * 1rem);
    font-weight: 700;
    line-height: 100%;
}
@media screen and (max-width: 768px) {
    .certification__start-title-text {
        font-size: calc(26 / 10 * 1rem);
    }
}
.certification__start-course {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr 8px 1fr;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
/* .certification__start-course-beginner,
.certification__start-course-veteran {
    
} */
.certification__start-course-beginner-title,
.certification__start-course-veteran-title {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 3px;
    font-size: calc(24 / 10 * 1rem);
    font-weight: 700;
    line-height: 100%;
    letter-spacing: 0.96px;
    padding-block: 12px;
    text-align: center;
    color: var(--color-text-dark);
}
@media screen and (max-width: 768px) {
    .certification__start-course-beginner-title,
    .certification__start-course-veteran-title {
        font-size: calc(20 / 10 * 1rem);
        letter-spacing: 0.8px;
    }
}
.certification__start-course-beginner-title {
    background: -webkit-gradient(linear, left top, right top, from(var(--color-gray-medium)), to(var(--color-gray-light)));
    background: var(--gradient-silver);
}
.certification__start-course-veteran-title {
    background: -webkit-gradient(linear, right top, left top, color-stop(3.29%, var(--color-gold-light)), to(var(--color-gold-medium)));
    background: var(--gradient-gold);
}
.certification__start-course-beginner-title-sub,
.certification__start-course-veteran-title-sub {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    font-size: calc(14 / 10 * 1rem);
    font-weight: 700;
    line-height: 100%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}
@media screen and (max-width: 768px) {
    .certification__start-course-beginner-title-sub,
    .certification__start-course-veteran-title-sub {
        font-size: calc(12 / 10 * 1rem);
    }
}
.certification__start-course-beginner-title-sub::before,
.certification__start-course-beginner-title-sub::after,
.certification__start-course-veteran-title-sub::before,
.certification__start-course-veteran-title-sub::after {
    content: "";
    display: inline-block;
    width: 7px;
    height: 1px;
    background-color: var(--color-black);
}
@media screen and (max-width: 768px) {
    .certification__start-course-beginner-title-sub::before,
    .certification__start-course-beginner-title-sub::after,
    .certification__start-course-veteran-title-sub::before,
    .certification__start-course-veteran-title-sub::after {
        width: 5px;
    }
}
.certification__start-course-beginner-title-text,
.certification__start-course-veteran-title-text {
    line-height: 100%;
}
.certification__start-course-beginner-count,
.certification__start-course-veteran-count {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    font-size: calc(24 / 10 * 1rem);
    font-weight: 900;
    line-height: 100%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: baseline;
        -ms-flex-align: baseline;
            align-items: baseline;
    padding-block: 4px 16px;
}
@media screen and (max-width: 768px) {
    .certification__start-course-beginner-count,
    .certification__start-course-veteran-count {
        font-size: calc(22 / 10 * 1rem);
    }
}
.certification__start-course-beginner-count {
    border-right: 1px solid var(--color-gray-light);
    border-bottom: 1px solid var(--color-gray-light);
    border-left: 1px solid var(--color-gray-light);
}
.certification__start-course-veteran-count {
    border-right: 1px solid var(--color-gold-pale);
    border-bottom: 1px solid var(--color-gold-pale);
    border-left: 1px solid var(--color-gold-pale);
}
.certification__start-course-beginner-count span,
.certification__start-course-veteran-count span {
    font-size: calc(60 / 10 * 1rem);
    font-weight: 900;
    line-height: 100%;
}
@media screen and (max-width: 768px) {
    .certification__start-course-beginner-count span,
    .certification__start-course-veteran-count span {
        font-size: calc(52 / 10 * 1rem);
    }
}
.certification__start-description {
    font-size: calc(18 / 10 * 1rem);
    font-family: var(--font-family-jp);
    font-weight: 700;
    line-height: 140%;
    text-align: center;
}
@media screen and (max-width: 768px) {
    .certification__start-description {
        font-size: calc(16 / 10 * 1rem);
    }
}
.certification__start-description span {
    color: var(--color-yellow-light);
}
.certification__start-count {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    padding: 12px 22px;
    min-height: 40px;
    background-color: var(--color-green);
    font-size: calc(14 / 10 * 1rem);
    font-weight: 700;
    line-height: 130%;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
}
@media screen and (max-width: 768px) {
    .certification__start-count {
        min-height: 26px;
        font-size: calc(13 / 10 * 1rem);
        padding: 12px 14px;
    }
}
.certification__start-count-timer {
    padding-left: 4px;
    font-size: calc(22 / 10 * 1rem);
    font-weight: 700;
    line-height: 130%;
}
@media screen and (max-width: 768px) {
    .certification__start-count-timer {
        padding-left: 2px;
        font-size: calc(14 / 10 * 1rem);
        line-height: 140%;
    }
}
.certification__start-count-timer span {
    font-size: calc(39 / 10 * 1rem);
    padding-inline: 1px;
}
@media screen and (max-width: 768px) {
    .certification__start-count-timer span {
        font-size: calc(26 / 10 * 1rem);
        padding-inline: 0;
    }
}
.certification__bottom-bg {
    position: absolute;
    display: block;
    bottom: 0;
    left: 0;
    width: 100%;
    height: auto;
}
.certification__bottom-bg img {
    display: block;
    height: auto;
    width: 100%;
}

.certification__course {
    position: relative;
    padding-inline: 24px;
    padding-block-start: 40px;
    z-index: 1;
}
@media screen and (max-width: 768px) {
    .certification__course {
        padding-inline: 16px;
    }
}
.certification__course-inner {
    background-color: var(--color-black);
    padding: 32px 24px 40px;
}
@media screen and (max-width: 768px) {
    .certification__course-inner {
        padding: 32px 16px 40px;
    }
}
.certification__course-title {
    text-align: center;
}
.certification__course-title-text {
    font-family: var(--font-family-text);
    font-size: calc(30 / 10 * 1rem);
    font-weight: 700;
    line-height: 1;
    background: var(--gradient-gold);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
@media screen and (max-width: 768px) {
    .certification__course-title-text {
        font-size: calc(24 / 10 * 1rem);
    }
}
.certification__course-description {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-family: var(--font-family-text);
    font-size: calc(16 / 10 * 1rem);
    font-weight: 700;
    line-height: 1;
    margin-block-start: 8px;
}
@media screen and (max-width: 768px) {
    .certification__course-description {
        font-size: calc(14 / 10 * 1rem);
        margin-block-start: 12px;
    }
}
.certification__course-description-text {
    display: inline-flex;
    align-items: baseline;
    gap: 2px;

    @media screen and (max-width: 768px) {
        gap: 1px;
    }
}
    
.certification__course-description-text-date {
    font-size: calc(22 / 10 * 1rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: -0.88px;
}
@media screen and (max-width: 768px) {
    .certification__course-description-text-date {
        font-size: calc(19 / 10 * 1rem);
        letter-spacing: -0.8px;
    }
}
.certification__course-description-text-time {
    font-size: calc(20 / 10 * 1rem);
    font-weight: 400;
    line-height: 1;
}
@media screen and (max-width: 768px) {
    .certification__course-description-text-time {
        font-size: calc(19 / 10 * 1rem);
    }
}
.certification__course-button {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-block-start: 32px;
    gap: 24px;
}
@media screen and (max-width: 768px) {
    .certification__course-button {
        margin-block-start: 24px;
        gap: 16px;
    }
}
.certification__course-button-inner {
    display: grid;
    align-items: center;
    grid-template-columns: 1fr auto;
    width: 100%;
    max-inline-size: 320px;
    padding: 16px 24px;
    background-color: var(--color-white);
    color: var(--color-black);
    border: none;
    appearance: none;
    transition: opacity 300ms ease;
    cursor: pointer;
    padding: 16px 30px 16px 32px;
}
@media screen and (max-width: 768px) {
    .certification__course-button-inner {
        max-inline-size: 286px;
    }
}
.certification__course-button-inner[data-course="beginner"] {
    background: var(--gradient-silver), var(--color-green);
}
.certification__course-button-inner[data-course="advanced"] {
    background: var(--gradient-gold);
}
.certification__course-button-inner:focus-visible,
.certification__course-button-inner:hover {
    opacity: 0.7;
}
.certification__course-button-inner::after {
    content: "";
    display: inline-block;
    background-image: url('../images/icon-button-arrow-black.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 6px;
    height: 11px;
    scale: 1.1;
    -webkit-transition: translate 300ms ease;
    transition: translate 300ms ease;
}
.certification__course-button-inner:focus-visible::after,
.certification__course-button-inner:hover::after {
    translate: 2px 0;
}
.certification__course-button-inner-content {
    display: flex;
    align-items: center;
    gap: 16px;
}
.certification__course-button-text {
    color: var(--color-black);
    font-family: var(--font-family-jp);
    font-size: calc(20 / 10 * 1rem);
    font-weight: 700;
    line-height: 1.3;
}
@media screen and (max-width: 768px) {
    .certification__course-button-text {
        font-size: calc(18 / 10 * 1rem);
    }
}
.certification__course-button-count {
    border-radius: 100px;
    background: var(--color-black);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
}
.certification__course-button-inner[data-course="beginner"] .certification__course-button-count span {
    text-align: center;
    font-family: var(--font-family-jp);
    font-size: calc(14 / 10 * 1rem);
    font-weight: 700;
    line-height: 1.3;
    background: var(--gradient-silver-text);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.certification__course-button-inner[data-course="advanced"] .certification__course-button-count span {
    text-align: center;
    font-family: var(--font-family-jp);
    font-size: calc(14 / 10 * 1rem);
    font-weight: 700;
    line-height: 1.3;
    background: var(--gradient-gold);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.certification__course-image {
    margin-block-start: 24px;
}
.certification__course-image img {
    display: block;
    inline-size: 100%;
    block-size: auto;
}
.certification__course-appeal {
    margin-block-start: 40px;
}
@media screen and (max-width: 768px) {
    .certification__course-appeal {
        margin-block-start: 32px;
    }
}
.certification__course-appeal-title {
    text-align: center;
}
.certification__course-appeal-title-text {
    color: var(--color-white);
    text-align: center;
    font-family: var(--font-family-jp);
    font-size: calc(24 / 10 * 1rem);
    font-weight: 700;
    line-height: 1.4;
}
@media screen and (max-width: 768px) {
    .certification__course-appeal-title-text {
        font-size: calc(20 / 10 * 1rem);
    }
}
.certification__course-appeal-title-frame {
    display: inline-block;
    color: var(--color-black);
    background-color: var(--color-white);
    padding: 4px;
    font-size: calc(18 / 10 * 1rem);
    font-weight: 700;
    line-height: 1;
    font-family: var(--font-family-jp);
    margin: 0 8px 0;
    translate: 0 -4px;
}
@media screen and (max-width: 768px) {
    .certification__course-appeal-title-frame {
        font-size: calc(16 / 10 * 1rem);
        padding: 2px 4px 3px;
    }
}
.certification__course-appeal-title-person {
    background: var(--gradient-gold);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-family-text);
    font-size: calc(56 / 10 * 1rem);
    font-weight: 700;
    line-height: 1;
}
@media screen and (max-width: 768px) {
    .certification__course-appeal-title-person {
        font-size: calc(48 / 10 * 1rem);
    }
}
.certification__course-appeal-title-person span {
    font-size: calc(32 / 10 * 1rem);
    font-weight: 700;
    line-height: 1;
}

/* notification */
.notification {
    background-color: var(--color-black);
    padding: 56px 24px;
}
@media screen and (max-width: 768px) {
    .notification {
        padding: 24px 16px;
    }
}
.notification__heading {
    position: relative;
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 2px;
}
.notification__heading::after {
    content: "";
    display: block;
    width: 57px;
    height: 2px;
    background: var(--color-green);
    margin-inline: auto;
}
@media screen and (max-width: 768px) {
    .notification__heading::after {
        width: 44px;
    }
}
.notification__heading-title {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 2px;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    text-align: center;
}
.notification__heading-title-sub {
    padding: 12px 16px 0;
    font-family: var(--font-family-jp);
    font-size: calc(18 / 10 * 1rem);
    font-weight: 700;
    line-height: 150%;
    letter-spacing: 0.72px;
}
@media screen and (max-width: 768px) {
    .notification__heading-title-sub {
        font-size: calc(14 / 10 * 1rem);
        letter-spacing: 0.56px;
    }
}
.notification__heading-title-main {
    -webkit-padding-after: 12px;
            padding-block-end: 12px;
    font-size: calc(36 / 10 * 1rem);
    font-weight: 700;
    line-height: 120%;
    letter-spacing: 1.44px;
}
@media screen and (max-width: 768px) {
    .notification__heading-title-main {
        font-size: calc(32 / 10 * 1rem);
        letter-spacing: 1.28px;
    }
}
.notification__heading-title-main span {
    display: block;
}
.notification__heading-icon {
    display: inline-block;
    margin-inline: auto;
}
.notification__list {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 24px;
}
.notification__list-item {
    display: -ms-grid;
    display: grid;
    gap: 24px;
    padding: 40px 24px 24px;
    background: var(--color-white-alpha-10);
}
.notification__list-item:has(.notification__button) {
    padding: 40px 24px;
}
@media screen and (max-width: 768px) {
    .notification__list-item {
        padding: 24px 16px;
    }
    .notification__list-item:has(.notification__button) {
        padding: 24px 16px;
    }
}
.notification__body {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 24px;
    font-family: var(--font-family-jp);
    font-size: calc(16 / 10 * 1rem);
    line-height: 180%;
}
@media screen and (max-width: 768px) {
    .notification__body {
        font-size: calc(14 / 10 * 1rem);
    }

    .notification__body p {
        padding-inline: 8px;
    }
}
.notification__body-image img {
    display: block;
    max-width: 100%;
    width: 100%;
    height: auto;
}
.notification__button {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
}
.notification__body-note {
    display: grid;
    grid-template-columns: auto 1fr;
    font-size: calc(14 / 10 * 1rem);
    font-weight: 400;
    line-height: 170%;
    gap: 4px;
}
@media screen and (max-width: 768px) {
    .notification__body-note {
        font-size: calc(13 / 10 * 1rem);
    }
}
.notification__body-note::before{
    content: "※";
    display: inline-block;
}
.notification__body-note-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
}
.notification__body-note-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    font-size: calc(14 / 10 * 1rem);
    font-weight: 400;
    line-height: 170%;
    gap: 4px;
}
.notification__body-note-list li::before{
    content: "※";
    display: inline-block;
}
.notification__body-banner-list {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    gap: 16px;
}
.notification__body-banner-list-item-link {
    display: block;
    -webkit-transition: opacity 300ms ease;
    transition: opacity 300ms ease;
}
.notification__body-banner-list-item-link:focus-visible,
.notification__body-banner-list-item-link:hover {
    opacity: 0.7;
}
.notification__body-banner-list-item-link img {
    display: block;
    width: 100%;
    height: auto;
}

/* button */
.button {
    position: relative;
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr 12px 6px;
    grid-template-columns: 1fr 6px;
    appearance: none;
    border: none;
    cursor: pointer;
    gap: 12px;
    max-width: 286px;
    inline-size: 100%;
    padding: 16px 24px 16px 32px;
    background-color: var(--color-green);
    color: var(--color-white);
    text-decoration: none;
    font-size: calc(18 / 10 * 1rem);
    font-family: var(--font-family-jp);
    font-weight: 700;
    line-height: 130%;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-transition: opacity 300ms ease;
    transition: opacity 300ms ease;
    box-sizing: border-box;
}
@media screen and (max-width: 768px) {
    .button {
        font-size: calc(16 / 10 * 1rem);
    }
}
.button[data-dialog] {
    background: var(--gradient-gold);
    color: var(--color-black);
    font-weight: 500;
    line-height: 1.4;
}
@media screen and (max-width: 768px) {
    .button[data-dialog] {
        max-inline-size: 250px;
        box-sizing: border-box;
    }
}
.button:not(:is(span)):focus-visible,
.button:not(:is(span)):hover {
    opacity: 0.7;
}
.button:not(:is(span))::after {
    content: "";
    display: inline-block;
    background-image: url('../images/icon-button-arrow.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 6px;
    height: 11px;
    scale: 1.1;
    -webkit-transition: translate 300ms ease;
    transition: translate 300ms ease;
}
.button[data-dialog]:not(:is(span))::after {
    background-image: url('../images/icon-button-arrow-black.svg');
}
.button:not(:is(span)):focus-visible::after,
.button:not(:is(span)):hover::after {
    translate: 2px 0;
}
.button span {
    text-align: center;
}
.button:is(span) {
    grid-template-columns: 1fr;
    color: var(--color-text-dark);
    background-color: var(--color-gray-darker2);
    cursor: default;
    font-size: calc(17 / 10 * 1rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: unset;
    padding: 16px 24px;

    @media screen and (max-width: 768px) {
        font-size: calc(16 / 10 * 1rem);
    }
}

/* dialog */
.dialog-certification {
    color: var(--color-white);
    background: var(--color-gray-darker);
    border: none;
    width: 712px;
    padding: 0;
}
.dialog-certification::backdrop {
    background: var(--color-black-alpha-90);
}
.dialog-certification__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 46px 56px 56px;
}
@media screen and (max-width: 768px) {
    .dialog-certification__inner {
        padding: 48px 12px 56px;
    }
}
.dialog-certification__close {
    position: absolute;
    width: 40px;
    height: 40px;
    inset: 0;
    margin: 0 0 auto auto;
    border: none;
    appearance: none;
    cursor: pointer;
    background-color: unset;
    padding: 0;
}
.dialog-certification__close img {
    display: block;
    width: 100%;
    height: auto;
}
.dialog-certification__title {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    text-align: center;
    justify-self: center;
}
.dialog-certification__title-beginner {
    position: relative;
    display: inline-block;
    inline-size: fit-content;
    margin-inline: auto;
    font-family: var(--font-family-text);
    font-size: calc(16 / 10 * 1rem);
    font-weight: 700;
    line-height: 100%;
    letter-spacing: 0.64px;
    background: var(--gradient-gray-text);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border-top: 1px solid var(--color-gray-light);
    border-bottom: 1px solid var(--color-gray-light);
    padding: 10px 0;
}
.dialog-certification__title-advanced {
    position: relative;
    display: inline-block;
    inline-size: fit-content;
    margin-inline: auto;
    font-family: var(--font-family-text);
    font-size: calc(16 / 10 * 1rem);
    font-weight: 700;
    line-height: 100%;
    letter-spacing: 0.64px;
    background: var(--gradient-gold);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border-top: 1px solid var(--color-gold-light);
    border-bottom: 1px solid var(--color-gold-light);
    padding: 10px 0;
}
.dialog-certification__title-text img {
    display: block;
    width: 100%;
    height: auto;
}
.dialog-certification__body {
    display: grid;
    max-height: 230px;
    grid-template-columns: 1fr;
    gap: 16px;
    background-color: var(--color-gray-dark);
    padding: 20px 30px;
    overflow-y: auto;
}
@media screen and (max-width: 768px) {
    .dialog-certification__body {
        padding: 20px 16px;
    }
}
.dialog-certification__body-title {
    color: var(--color-white);
    font-family: var(--font-family-jp);
    font-size: calc(16 / 10 * 1rem);
    font-weight: 700;
}
.dialog-certification__body-inner {
    color: var(--color-white);
    font-family: var(--font-family-jp);
    font-size: calc(13 / 10 * 1rem);
    font-weight: 500;
    line-height: 1.5;
}
.dialog-certification__body-inner p + p,
.dialog-certification__body-inner ul + p {
    margin-block-start: 16px;
}
.dialog-certification__body-inner p + ul {
    margin-block-start: 8px;
}
.dialog-certification__body-inner ul {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}
.dialog-certification__body-inner ul li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px;
}
.dialog-certification__body-inner ul li::before {
    content: "";
    display: inline-block;
    block-size: 7px;
    inline-size: 7px;
    background: var(--color-gold-dark);
    translate: 0 6.5px;
}
.dialog-certification__start {
    display: grid;
    place-items: center;
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
}
.dialog-certification__start p {
    color: var(--color-white);
    font-family: var(--font-family-text);
    font-size: calc(18 / 10 * 1rem);
    font-weight: 700;
    line-height: 100%;
    letter-spacing: 0.54px;
}
@media screen and (max-width: 768px) {
    .dialog-certification__start p {
        font-size: calc(17 / 10 * 1rem);
        letter-spacing: 0.51px;
    }
}

/* override site-footer */
.site-footer {
    background-color: var(--color-white);
}
@media screen and (max-width: 896px) {
    .site-footer {
        padding-top: 0;
    }
}