@charset "utf-8";

[id] {
    scroll-margin-top: 6rem;
}

/* スキップリンク（普段は画面外に隠し、フォーカス時のみ表示） */
.skip-link {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 0.75rem 1.5rem;
    background: #fff;
    color: #333;
    font-weight: bold;
    text-decoration: none;
    transform: translateY(-100%);
}

.skip-link:focus {
    transform: translateY(0);
}

.header-container {
    width: 90%;
    margin: 0 auto;
    position: relative;
    min-height: 4.5rem;
}

/* SP & TB */
/* ヘッダー */
.site-header {
    margin: 0;
    padding: 0;
    background-color: var(--secondary-color);
    width: 100%;
    height: auto;
    min-height: 4.5rem;
    top: 0;
    position: sticky;
    display: flex;
    align-items: center;
    z-index: 100;
}

.site-header__logo,
.site-footer__logo {
    font-size: 0;
    background-image: url('../img/logo.webp');
    background-size: contain;
    background-repeat: no-repeat;
    aspect-ratio: 587 / 170;
    width: min(280px, 40%);
    height: auto;
}

/* ヘッダーロゴ */
.site-header__logo {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    max-height: 80%;
}

.site-header__logo-link {
    display: inline-block;
    width: 100%;
    height: 100%;
}

#global-nav a {
    color: var(--body-text);
    text-decoration: none;
    display: inline-block;
    position: relative;
}

/* フッター */
footer a {
    text-decoration: none;
    font-weight: var(--font-bold);
}

address {
    font-style: normal;
}

/* for topボタン */
#for_top {
    position: fixed;
    right: 1rem;
    bottom: 1rem;

    width: 54px;
    aspect-ratio: 1;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    border: 1px solid var(--main-color);
    border-radius: 16px;

    background: #fff;
    color: var(--main-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: bold;
    line-height: 1;
}

#for_top::before {
    content: "";
    width: 12px;
    height: 12px;
    margin-bottom: 4px;

    border-top: 3px solid currentColor;
    border-left: 3px solid currentColor;

    transform: rotate(45deg);
}

/* 電話確認モーダル */
.tel-modal {
    width: min(320px, 90%);
    padding: 1.5rem;
    border: none;
    border-radius: 16px;
    text-align: center;
}

.tel-modal::backdrop {
    background-color: rgba(0 0 0 / 50%);
}

.tel-modal__text {
    margin: 0 0 1.25rem;
    font-weight: bold;
    line-height: 1.6;
}

.tel-modal__buttons {
    display: flex;
    gap: 0.75rem;
}

.tel-modal__button {
    flex: 1;
    padding: 0.75rem 0;
    border: 1px solid var(--main-color);
    border-radius: 999px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: bold;
    line-height: 1.5;
    text-decoration: none;
    cursor: pointer;
}

.tel-modal__button--cancel {
    background-color: var(--secondary-color);
    color: var(--main-color);
}

.tel-modal__button--call {
    background-color: var(--main-color);
    color: var(--secondary-color);
}

@media (max-width: 1023px) {

    /* ユーティリティナビ */
    .utility-nav {
        position: absolute;
        top: 50%;
        /* ハンバーガーメニューとの間隔を半分に 5rem → 3.375rem */
        right: 3.375rem;
        transform: translateY(-50%);
    }

    .utility-nav ul {
        margin: 0;
        padding: 0;
        display: flex;
        font-size: 0;
        /* 電話アイコン追加でロゴと重ならないよう 1.5rem → 1rem */
        gap: 1rem;
    }

    .utility-nav__link {
        background-repeat: no-repeat;
        background-position: center;
        background-size: contain;
        display: inline-block;
    }

    .utility-nav__link--line {
        width: 26px;
        height: 25px;
        background-image: url('../img/line_icon.png');
    }

    .utility-nav__link--info {
        width: 26px;
        height: 21px;
        background-image: url('../img/info_icon.png');
    }

    .utility-nav__link--tel {
        width: 24px;
        height: 24px;
        background-image: url('../img/tel_icon.webp');
    }

    /* ハンバーガーメニュー */
    #hamburger {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 2.2rem;
        right: 1rem;
        transform: translateY(-50%);
        border: none;
        background: transparent;
        z-index: 10000;
    }

    #hamburger.active {
        display: flex;
    }

    #hamburger span {
        display: block;
        width: 1.5rem;
        height: 0.125rem;
        background-color: var(--body-text);
        margin: 0.25rem;
        transition: 0.3s;
    }

    #hamburger.is-active span:nth-child(1) {
        transform: translateY(0.625rem) rotate(45deg);
    }

    #hamburger.is-active span:nth-child(2) {
        opacity: 0;
    }

    #hamburger.is-active span:nth-child(3) {
        transform: translateY(-0.625rem) rotate(-45deg);
    }

    /* グローバルナビ */
    #global-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow-y: auto;
        overscroll-behavior: contain;
        background-color: var(--menu-background);
        transform: translateY(-100%);
        /* 閉じている間は読み上げ・タブ移動の対象外（閉じるアニメーション後に非表示） */
        visibility: hidden;
        transition: transform 0.3s ease, visibility 0s linear 0.3s;
        z-index: 9999;
    }

    #global-nav.is-open {
        transform: translateY(0);
        visibility: visible;
        transition: transform 0.3s ease;
    }

    #global-nav>.menu-nav {
        width: 90%;
        margin: 0 auto;
    }

    #global-nav .menu-nav .menu-nav__list .menu-item {
        border-top: 2px solid var(--menu-border);
    }

    #global-nav .menu-nav .menu-nav__list .menu-item:last-child {
        border-bottom: 2px solid var(--menu-border);
    }

    #global-nav .menu-nav .menu-nav__list .sub-menu .menu-item {
        border-top: none;
    }

    #global-nav .menu-nav .menu-nav__list .sub-menu .menu-item:last-child {
        border-bottom: none;
    }

    /* 子メニュー */
    #global-nav .sub-menu {
        padding-left: 1rem;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    /* 子メニューを開いた状態（ホバー中か、メニュー内にフォーカスがあるとき） */
    #global-nav .menu-item-has-children:hover>.sub-menu,
    #global-nav .menu-item-has-children:focus-within>.sub-menu {
        max-height: 1000px;
    }

    /* 親・子リンク共通 */
    #global-nav .menu-nav a {
        display: block;
        width: 100%;
        padding: 0.5rem 0;
        color: var(--sub-color-dark);
        font-weight: bold;
    }

    /* 親メニューの線 */
    #global-nav>.menu-nav>.menu-nav__list>ul>.page_item>a {
        border-top: 2px solid rgba(208 232 229 / 100%);
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>.page_item:last-child {
        border-bottom: 2px solid rgba(208 232 229 / 100%);
    }

    /* 子を持つ親 */
    #global-nav .menu-item-has-children>a {
        position: relative;
        padding-right: 2rem;
    }

    /* 矢印 */
    #global-nav .menu-item-has-children>a::after {
        content: "";
        position: absolute;
        top: 50%;
        right: 0.5rem;
        width: 12px;
        height: 12px;
        border-right: 3px solid var(--sub-color-dark);
        border-bottom: 3px solid var(--sub-color-dark);
        transform: translateY(-70%) rotate(45deg);
        transition: transform 0.3s ease;
    }

    /* 開いたときの矢印 */
    #global-nav .menu-item-has-children:hover>a::after,
    #global-nav .menu-item-has-children:focus-within>a::after {
        transform: translateY(-30%) rotate(-135deg);
    }

    /* 孫メニュー：親のサブメニューを開いたら一緒に表示（開閉なし） */
    #global-nav .sub-menu .sub-menu {
        max-height: none;
        overflow: visible;
        transition: none;
    }

    #global-nav .sub-menu .menu-item-has-children>a {
        padding-right: 0;
    }

    #global-nav .sub-menu .menu-item-has-children>a::after {
        display: none;
    }

    /* お問い合わせナビ */
    .inquiry-nav {
        position: relative;
        display: flex;
        margin: 6.25rem auto 2.5rem;
        width: fit-content;
        gap: 1.25rem;
    }

    .inquiry-nav__link {
        width: 158px;
        height: 56px;
        padding: 0.75rem 1rem;
        background-repeat: no-repeat;
        background-position: center;
        background-size: contain;
        border-radius: 999px;
        align-items: center;
        justify-content: center;
        text-align: center;
        gap: 0.5rem;
    }

    .inquiry-nav__link--line {
        display: inline-flex !important;
        border: 1px solid var(--main-color) !important;
        background-color: var(--secondary-color) !important;
        color: var(--main-color) !important;
    }

    .inquiry-nav__link--line::before {
        content: "";
        width: 24px;
        height: 23px;
        background-image: url('../img/line_icon.png');
        background-repeat: no-repeat;
        background-size: contain;
        background-position: center;
        flex-shrink: 0;
    }

    .inquiry-nav__link--info {
        border: 1px solid var(--secondary-color-pink);
        background-color: var(--secondary-color-pink);
        color: var(--secondary-color) !important;
        /* 「資料請求<br>お問い合わせ」の2行を上下中央に */
        line-height: 1.3;
        padding-top: calc((56px - 2.6em - 2px) / 2);
        padding-bottom: calc((56px - 2.6em - 2px) / 2);
    }

    /* フッターナビ */
    footer {
        background-color: var(--menu-background);
        padding: 1rem 0;
    }

    footer .container {
        width: 90%;
        margin: 0 auto;
    }

    footer .container .logo {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }

    footer .container .logo h2 {
        margin: 0 0 1rem;
    }

    footer .container .access_for_pc {
        display: none;
    }

    footer .container .logo .access_for_sp {
        display: block;
        font-size: 0.875rem;
        color: var(--secondary-color);
        background-color: var(--main-color);
        border-radius: 999px;
        text-decoration: none;
        text-align: center;
        padding: 0.5rem 1rem;
        border: 2px solid var(--main-color);
        margin-bottom: 1rem;
        position: relative;
    }

    footer .container .logo .access_for_sp:hover {
        color: var(--main-color);
        background-color: var(--secondary-color);
    }

    .footer-nav__list {
        display: flex;
        flex-direction: column;
        margin: 0;
        padding: 0;
    }

    .footer-nav__list>li {
        width: 100%;
        list-style: none;
        padding: 0.5rem 0;
    }

    footer .container .footer-nav .footer-nav__list .menu-item {
        border-top: 2px solid var(--menu-border);
    }

    footer .container .footer-nav .footer-nav__list .menu-item:last-child {
        border-bottom: 2px solid var(--menu-border);
    }

    /* footer accordion (mobile) */
    .footer-nav__list .sub-menu {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.28s ease;
        padding-left: 0;
    }

    footer .container .footer-nav .footer-nav__list .sub-menu .menu-item {
        border-top: none;
    }

    footer .container .footer-nav .footer-nav__list .sub-menu .menu-item:last-child {
        border-bottom: none;
    }

    footer .container .footer-nav .footer-nav__list .menu-item a {
        color: var(--sub-color-dark);
    }

    .footer-nav__list .menu-item.is-open>.sub-menu {
        max-height: 1000px;
    }

    .footer-nav__list .menu-item-has-children>a {
        position: relative;
        padding-right: 2rem;
    }

    .footer-nav__list .menu-item-has-children>a::after {
        content: "";
        position: absolute;
        right: 0;
        top: 50%;
        width: 0.6rem;
        height: 0.6rem;
        border-right: 3px solid var(--sub-color-dark);
        border-bottom: 3px solid var(--sub-color-dark);
        transform: translateY(-50%) rotate(-45deg);
        transition: transform 0.2s ease;
    }

    .footer-nav__list .menu-item.is-open>a::after {
        transform: translateY(-50%) rotate(45deg);
    }

    .footer-nav__social ul {
        display: flex;
        gap: 3rem;
        margin: 2rem auto;
        width: fit-content;
    }

    .footer-nav__others nav a {
        margin-right: 1rem;
    }
}

/* PC */
@media (min-width: 1024px) {
    [id] {
        scroll-margin-top: 10rem;
    }

    .site-header__logo {
        position: absolute;
        top: 90%;
        left: 0;
        transform: translateY(-50%);
        max-height: 80%;
    }

    #hamburger,
    .inquiry-nav,
    .utility-nav__item--tel {
        display: none;
    }

    .site-header {
        height: 148px;
    }

    .utility-nav {
        position: absolute;
        right: 0;
        top: 0;
        transform: translateY(-50%);
    }

    .utility-nav .utility-nav__list {
        display: flex;
        margin: 0;
        width: fit-content;
        gap: 1.25rem;
        right: 0;
    }

    .utility-nav__link {
        width: 180px;
        height: 55px;
        padding: 0.75rem 1rem;
        border-radius: 999px;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        text-align: center;
        gap: 0.5rem;
        font-size: 1.125rem;
        font-weight: bold;
        background-image: none;
        display: inline-block;
    }

    .utility-nav__link--line {
        display: inline-flex;
        border: 1px solid var(--main-color);
        background-color: var(--secondary-color);
        color: var(--main-color);
    }

    .utility-nav__link--line::before {
        content: "";
        width: 24px;
        height: 23px;
        background-image: url('../img/line_icon.png');
        background-repeat: no-repeat;
        background-size: contain;
        background-position: center;
        flex-shrink: 0;
    }

    .utility-nav__link--info {
        border: 1px solid var(--secondary-color-pink);
        background-color: var(--secondary-color-pink);
        color: var(--secondary-color);
        line-height: 1.75;
        /* 「資料請求・お問い合わせ」を1行で表示するため幅を自動に */
        width: auto;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
        white-space: nowrap;
    }

    #global-nav {
        position: absolute;
        right: 0;
        top: 90%;
        width: auto;
        height: auto;
        background: transparent;
        transform: none;
        overflow: visible;
        z-index: 100;
        font-weight: bold;
    }

    #global-nav .menu-nav__list {
        display: flex;
        align-items: flex-start;
        justify-content: flex-end;
        gap: 1rem;
        flex-wrap: nowrap;
        width: auto;
        margin: 0;
    }

    #global-nav a {
        font-size: clamp(0.75rem, 1vw, 1rem);
    }

    footer a {
        font-size: clamp(0.75rem, 1vw, 0.875rem);
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li {
        min-width: 0;
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li>a {
        padding: 0;
        color: var(--body-text);
        font-size: 1rem;
        font-weight: bold;
        white-space: nowrap;
        cursor: pointer;
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li.menu-item-has-children>a {
        padding-right: 1.5rem;
        /* position: relative; */
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li.menu-item-has-children>a::after {
        content: "+";
        /* position: absolute; */
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        font-size: 1rem;
        color: inherit;
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li.menu-item-has-children:hover>a::after,
    #global-nav>.menu-nav>.menu-nav__list>ul>li.menu-item-has-children:focus-within>a::after {
        content: "−";
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>.page_item>a {
        border: none;
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>.page_item:last-child {
        border: none;
    }

    #global-nav .menu-item-has-children {
        /* position: relative; */
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li>a {
        padding-right: 0;
        border: none;
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li>a::after {
        content: none;
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li>.children,
    #global-nav .menu-item-has-children>.sub-menu {
        /* display: none; */
        /* position: absolute; */
        top: 100%;
        left: 0;
        margin: 0;
        padding: 0.5rem 0;
        background: #fff;
        /* box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.08); */
        z-index: 200;
        white-space: nowrap;
    }

    #global-nav>.menu-nav>.menu-nav__list>ul>li.menu-item-has-children:hover>.children,
    #global-nav .menu-item-has-children:hover>.sub-menu {
        display: block;
    }

    #global-nav .sub-menu .menu-item-has-children {
        /* position: relative; */
    }

    #global-nav .sub-menu .menu-item-has-children>a {
        padding-right: 1.5rem;
        /* position: relative; */
    }

    /* #global-nav .sub-menu .menu-item-has-children>a::after {
        content: "";
        position: absolute;
        right: 0.35rem;
        top: 50%;
        width: 0.65rem;
        height: 0.65rem;
        border-right: 3px solid var(--sub-color-dark);
        border-bottom: 3px solid var(--sub-color-dark);
        transform: translateY(-50%) rotate(-45deg);
        transition: transform 0.2s ease;
    }

    #global-nav .sub-menu .menu-item-has-children:hover>a::after {
        transform: translateY(-50%) rotate(45deg);
    } */

    #global-nav .sub-menu .menu-item-has-children>.sub-menu {
        top: -0.5rem;
        left: calc(100% - 1px);
        /* 孫以降の子メニューは1rem右にずらす */
        margin-left: 1rem;
        /* 上下の余白をなくし、ほかの項目と行間を揃える */
        padding: 0;
    }

    #global-nav .sub-menu {
        margin-left: 0;
        /* display: none; */
    }

    #global-nav .sub-menu li {
        list-style: none;
    }

    #global-nav .sub-menu li a {
        display: block;
        padding: 0.75rem 1rem;
        white-space: nowrap;
    }

    /* 子メニューは通常非表示
       （display: none だと中のリンクにタブ移動できないため、clip-path で見えなくする） */
    #global-nav .menu-nav__list > .menu-item > .sub-menu {
        clip-path: inset(50%);
    }

    /* 親リンクか、その子メニューにホバー中、またはメニュー内にフォーカスがあるときは、
       その子メニューと孫以降をすべて表示 */
    #global-nav .menu-nav__list > .menu-item:has(> :is(a, .sub-menu):hover) > .sub-menu,
    #global-nav .menu-nav__list > .menu-item:focus-within > .sub-menu {
        clip-path: none;
    }

    /* 子メニューを開いても親リンクの位置が動かないよう、1階層目の子メニューを浮かせる */
    #global-nav .menu-nav__list > .menu-item {
        position: relative;
    }

    #global-nav .menu-nav__list > .menu-item > .sub-menu {
        position: absolute;
        top: 100%;
        left: 0;
    }

    /* 右端の子メニューは画面からはみ出さないよう右揃え */
    #global-nav .menu-nav__list > .menu-item:last-child > .sub-menu {
        left: auto;
        right: 0;
    }

    .footer-nav__list {
        column-count: 4;
        column-gap: 3rem;

        margin: 0;
        padding: 0;
    }

    .footer-nav__list>li {
        width: auto;
        margin: 0;
        padding: 0;
        list-style: none;

        break-inside: avoid;
        page-break-inside: avoid;
    }

    /* 2〜4番目の項目から、新しい列を開始する */
    .footer-nav__list>li:nth-child(2),
    .footer-nav__list>li:nth-child(3),
    .footer-nav__list>li:nth-child(4) {
        break-before: column;
        -webkit-column-break-before: always;
    }

    .footer-nav__list>li:nth-child(n + 5) {
        margin-top: 1.75rem;
    }

    /* フッターナビ */
    footer {
        background-color: var(--menu-background);
        padding: 1rem 0;
    }

    footer .container {
        width: 90%;
        margin: 0 auto;
        display: grid;
        grid-template-columns: fit-content(100%) 1fr;
        gap: 1rem;
    }

    footer .container .bottom {
        grid-column: 1 / 3;
        justify-self: center;
        width: 100%;
    }

    footer address p {
        font-size: clamp(0.75rem, 1vw, 0.875rem);
    }

    footer .container .logo h2 {
        margin: 0 0 1rem;
        width: 90%;
    }

    footer .container .logo .access_for_sp {
        display: none;
    }

    footer .container .access_for_pc {
        display: block;
        font-size: 0.875rem;
        color: var(--secondary-color);
        background-color: var(--main-color);
        border-radius: 999px;
        text-decoration: none;
        text-align: center;
        padding: 0.5rem 1rem;
        border: 2px solid var(--main-color);
        margin-bottom: 1rem;
        width: fit-content;
        position: relative;
    }

    footer .container .access_for_pc:hover {
        color: var(--main-color);
        background-color: var(--secondary-color);
    }

    .footer-nav__list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .footer-nav__list>li {
        width: auto;
    }

    footer .container .footer-nav .footer-nav__list .menu-item .sub-menu {
        margin-top: 1rem;
    }

    footer .container .footer-nav .footer-nav__list .menu-item .sub-menu a {
        color: var(--body-text-light);
    }

    .footer-nav__social ul {
        display: flex;
        gap: 3rem;
        margin: 2rem auto;
        width: fit-content;
    }

    .footer-nav__social {
        display: flex;
        align-items: center;
        gap: 3rem;
    }

    .footer-nav__social::before,
    .footer-nav__social::after {
        content: "";
        flex: 1;
        height: 2px;
        background-color: var(--border-green);
    }

    .footer-nav__social ul {
        display: flex;
        gap: 3rem;
        margin: 2rem 0;
        padding: 0;
        width: fit-content;
    }

    .footer-nav__social li {
        list-style: none;
    }

    .footer-nav__others nav {
        float: right;
    }

    .footer-nav__others nav a {
        margin-right: 1rem;
    }

    .footer-nav__others nav a:last-child {
        margin-right: 0;
    }
}

/* リンクのない見出し（学費・支援制度など）は薄く表示（SP・PC共通） */
#global-nav .sub-menu .menu-item-has-children>a[href="#"] {
    opacity: 0.5;
}