/* ヘッダー基本css */
.header {
    position: fixed;
    top: 0;
    z-index: 9999;
    height: var(--header-height);
    transition: var(--transition);
    color: var(--secondary-text);
    background: rgba(255, 255, 255, 0.7);
    /* ガラスっぽい半透明背景 */
    backdrop-filter: blur(10px);
    /* 背景ぼかしでガラス感を出す */
    -webkit-backdrop-filter: blur(10px);
    width: 100%;
    /* Safari対応 */
}


.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

.header .container,
.header__right,
.header__left,
.header__logo,
.header-gnav,
.gnav__items,
.gnav__item,
.gnav__link,
.nav {
    height: 100%;
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__right {
    display: flex;
    align-items: center;
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-1);
    height: 100%;
}

.header__buttons a {
    border: 0;
}

.header__buttons a:hover {
    border: 0;
}

@media screen and (max-width: 768px) {
    .header {
        height: var(--header-height-sp);
    }
}

/* ナビゲーション */
.gnav {
    height: 100%;
}

.gnav__items {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    height: 100%;
}

.gnav__item {
    height: 100%;
    position: relative;
}

.gnav__link {
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    position: relative;
    font-weight: 500;
}

/* メガメニューカスタム */
/* 矢印 */
.gnav-typeA.header-gnav .gnav__link {
    padding-right: calc(var(--spacing-1) + 7px);
}

.gnav-typeA.header-gnav .gnav__link::before {
    content: "";
    display: block;
    position: absolute;
    top: 50%;
    width: 7px;
    height: 7px;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
    transform: rotate(135deg) translateY(-50%);
    transform-origin: top center;
    transition: var(--transition);
    right: 0;
}

.gnav-typeA.header-gnav .gnav__link:hover::before {
    border-color: currentColor;
    transform: rotate(-45deg) translateY(-50%);
}

/* 十字 */
.gnav-typeB.header-gnav .gnav__link {
    padding-right: 1.5rem;
}

.gnav-typeB.header-gnav .gnav__link::before {
    position: absolute;
    content: "";
    width: 1.2rem;
    height: 2px;
    background: currentColor;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.gnav-typeB.header-gnav .gnav__link::after {
    position: absolute;
    content: "";
    width: 1.2rem;
    height: 2px;
    background: currentColor;
    top: 50%;
    right: 0;
    transform: translateY(-50%) rotate(90deg);
    transition: var(--transition);
}

.gnav-typeB.header-gnav .gnav__link:hover::before {
    background: var(--link-text-hover);
}

.gnav-typeB.header-gnav .gnav__link:hover::after {
    background: var(--link-text-hover);
}

.gnav-typeB.header-gnav .gnav__item.active .gnav__link::after {
    transform: translateY(-50%) rotate(0deg);
}

.nav {
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    background: var(--tertiary);
    color: var(--secondary-text);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    white-space: nowrap;
    display: flex;
    flex-direction: column;
}

.gnav__item.active .nav {
    opacity: 1;
    visibility: visible;
}




/* サイドナビゲーション */
.nav-cta {
    position: fixed;
    right: 0;
    top: 0;
    width: 15rem;
    height: 100%;
    z-index: 999;
    background: var(--secondary);
    color: var(--secondary-text);
}

.header:has(.nav-cta) {
    width: calc(100% - 15rem);
}

.header-gnav-typeA .gnav__link::before {
    position: absolute;
    content: "";
    width: 4px;
    height: 4px;
    background: var(--secondary);
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.header-gnav-typeA .gnav__link:hover {
    text-decoration: underline;
}

.header-gnav-typeA .gnav__link {
    position: relative;
    padding-left: 1.2rem;
}

.gnav__link:hover {
    color: var(--link-text-hover);
}

/* サイドナビゲーション */
.nav-cta {
    position: fixed;
    right: 0;
    top: 0;
    width: 15rem;
    height: 100%;
    z-index: 999;
    background: var(--background-secondary);
    color: var(--background-secondary-text);
}

.header:has(.nav-cta) {
    width: calc(100% - 15rem);
}

.schedule-typeA .schedule__item {
    border-bottom: 1px solid currentColor;
    flex-wrap: nowrap;
}

.schedule-typeA .schedule__time {
    flex-shrink: 0;
}

.schedule-typeB .schedule__item {
    flex-wrap: nowrap;
}


.schedule__icon {
    position: relative;
}

.schedule__icon::before {
    position: absolute;
    content: "";
    top: 0%;
    left: 50%;
    transform: translate(-50%, 0%);
    width: 2px;
    background: var(--background-secondary);
    height: 100%;
}

.schedule-typeB .schedule__item:last-of-type .schedule__icon::before {
    display: none;
}

.schedule__circle {
    display: flex;
    background: var(--background-secondary);
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
}

.index {
    display: flex;
}

.index__side {
    flex-shrink: 0;
    margin-right: 15rem;
}

.index-container {
    position: sticky;
    top: calc(var(--header-height) + 30px);
}

.index__main {
    width: 100%;
    height: 100%;
}

.index__main-container {
    max-width: 104rem;
}

.index__items {
    border: 2px solid var(--background-secondary);
    border-left: 0;
    max-width: 30rem;
    min-width: 30rem;
    width: 100%;
}

.index__item {
    width: fit-content;
}

.index__link {
    position: relative;
    display: block;
    color: var(--background-secondary);
    transition: .1s ease;
}

.index__num {
    display: inline-block;
    min-width: 2.4em;
    margin-right: 0.35em;
    font-variant-numeric: tabular-nums;
}

#js-article-content [id^="index"] {
    scroll-margin-top: calc(var(--header-height) + 24px);
}

.index__link.active {
    font-weight: 700;
    border-bottom: 2px solid var(--background-secondary);
}

@media (max-width: 1600px) {
    .index__side {
        margin-right: var(--spacing-7);
    }

}

@media (max-width: 768px) {
    .index {
        flex-direction: column;
    }

    .index__main-container {
        max-width: 190%;
    }
}

/* 共通 */
.footer .nav {
    opacity: 1;
    visibility: visible;
    opacity: 1;
    background: transparent;
    position: static;
    transform: none;
    white-space: none;
}

.footer .gnav__link {
    height: auto;
}

.footer-gnav .gnav__items {
    align-items: start;
}

.footer__top {
    align-items: center;
}

.footer__copy {
    background: var(--background-primary);
    color: var(--background-primary-text);
    text-align: center;
}



/* 共通 */

/* オプション */
.footer-gnav.gnav-typeB .nav__link {
    position: relative;
    padding-left: calc(1rem + var(--spacing-1));
}

.footer-gnav.gnav-typeB .nav__link::before {
    position: absolute;
    content: "";
    width: 1rem;
    height: 1px;
    background: currentColor;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.footer-gnav.gnav-typeB .gnav__link {
    border-bottom: 1px solid currentColor;
}

/* オプション */

.footer-typeB .footer-gnav {
    justify-content: end;
}



.footer-typeB .footer__button .button {
    width: 100%;
}

@media screen and (max-width: 768px) {
    .footer-typeB .footer__box {
        flex-direction: column;
    }

    .footer-typeB .footer__button .button {
        width: auto;
    }
}

.breadcrumb__items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-1);
    align-items: center;
}

.breadcrumb__item {
    position: relative;
    padding-right: 1.5rem;
}

.breadcrumb__item::before {
    content: "";
    display: block;
    position: absolute;
    top: 50%;
    right: 0;
    width: 0.8rem;
    height: 0.8rem;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
    transform: rotate(45deg) translateY(-50%);
    transform-origin: top center;
    transition: 0.15s;
}

.breadcrumb__item:nth-last-of-type(1) span {
    font-weight: 700;
}

.breadcrumb__item:nth-last-of-type(1)::before {
    display: none;
    padding-right: 0;
}

/* リンクの基本スタイル */
.breadcrumb__link {
    display: inline-block;
    text-decoration: none;
    transition: var(--transition);
}

/* ホバー状態 */
.breadcrumb__link:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
    opacity: 0.8;
}

/* フォーカス状態（キーボード操作用） */
.breadcrumb__link:focus {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.breadcrumb__link:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

/* 現在ページのスタイル */
.breadcrumb__current {
    display: inline-block;
}

/* プライバシーポリシー */
.privacy .container {
    max-width: 104rem;
    width: 100%;
    margin: 0 auto;
}

@media screen and (max-width: 768px) {
    .privacy .container {
        max-width: 100%;
    }
}

.privacy__heading {
    text-align: center;
}

.privacy__title {
    color: var(--secondary);
    font-weight: 500;
}

.privacy__item {
    position: relative;
    padding-left: calc(5px + var(--spacing-1));
}

.privacy__item::before {
    position: absolute;
    content: "";
    width: 5px;
    height: 5px;
    background: var(--text-color);
    border-radius: 50%;
    top: 1.2rem;
    left: 0;
}

.privacy__contact {
    border: 2px solid var(--secondary);
    border-radius: 15px;
}