/* === Layout === */

/* === Header === */
.site-header {
    background: transparent;
    position: fixed;
    top: 20px;
    left: 0;
    width: 100%;
    z-index: 10000;
    transition: top 0.3s, background 0.3s;
}

.site-header--scrolled {
    top: 0;
    background: var(--color-white);
}

/* LP dark header: ロゴ白抜き（スクロール前のみ） */
.page-lp-dark-header .header__logo-img {
    filter: brightness(0) invert(1);
    transition: filter 0.3s;
}

.page-lp-dark-header .site-header--scrolled .header__logo-img {
    filter: none;
}

.header__inner {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 15px 24px;
    gap: 24px;
}

/* ロゴ */
.header__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.header__logo:hover {
    text-decoration: none;
}

.header__logo-img {
    height: 32px;
    width: auto;
}

/* ナビゲーション */
.header__nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-pill);
    padding: 0 24px;
    height: 50px;
}

.header__nav-item {
    display: flex;
    align-items: center;
}

.header__nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--color-text);
    text-decoration: none;
    padding: 16px 8px;
    white-space: nowrap;
    transition: opacity 0.2s;
}

.header__nav-link:hover {
    opacity: 0.7;
    text-decoration: none;
}

/* ドロップダウン */
.header__nav-item--has-children {
    position: relative;
}

.header__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    list-style: none;
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 0;
    min-width: 280px;
    z-index: 10;
    overflow: hidden;
}

.header__nav-item--has-children::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 12px;
}

.header__nav-item--has-children:hover .header__dropdown {
    display: block;
}

.header__dropdown li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 24px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.4rem;
    color: var(--color-text);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s;
}

.header__dropdown-arrow {
    color: var(--color-text-light);
    flex-shrink: 0;
}

.header__dropdown li a:hover {
    background: linear-gradient(90deg, var(--color-bg-light), var(--color-bg-light2));
    text-decoration: none;
}

.header__nav-chevron {
    width: 14px;
    height: 14px;
    margin-left: 2px;
    color: #767b7e;
    transition: transform 0.2s;
}

.header__nav-item--has-children:hover .header__nav-chevron {
    transform: rotate(180deg);
}

/* CTAボタン */
.header__cta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.header__cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 165px;
    height: 50px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.5rem;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.2s;
}

.header__cta-btn:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

.header__cta-btn--primary {
    background-color: var(--color-primary);
    color: #fff;
}

.header__cta-btn--secondary {
    background-color: var(--color-accent);
    color: var(--color-text);
}

.header__cta-icon {
    width: 20px;
    height: 20px;
}

/* common ヘッダー（CTA無し） */
.site-header--common .header__nav {
    flex: 0;
    margin-left: auto;
}

/* === Footer === */
.site-footer {
    background: transparent;
}

.footer__inner {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* メインエリア */
.footer__main {
    padding: 80px 0 48px;
    background: var(--color-white);
}

/* 会社情報 */
.footer__company {
    flex-shrink: 0;
    width: 320px;
}

.footer__logo {
    display: inline-block;
    text-decoration: none;
    margin-bottom: 20px;
}

.footer__logo:hover {
    text-decoration: none;
}

.footer__logo-img {
    height: 40px;
    width: auto;
}

.footer__company-name {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 12px;
}

.footer__address {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.4rem;
    line-height: 1.8;
    color: var(--color-text);
    font-style: normal;
    margin-bottom: 20px;
}

.footer__license {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* ナビゲーション */
.footer__nav {
    display: flex;
    gap: 60px;
    flex: 1;
}

.footer__nav-col {
    min-width: 160px;
}

.footer__nav-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 16px;
}

.footer__nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__nav-list a {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.4rem;
    color: var(--color-text);
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer__nav-list a:hover {
    opacity: 0.6;
    text-decoration: none;
}

/* 認証バッジ */
.footer__badges {
    flex-shrink: 0;
    width: 200px;
}

.footer__badges-images {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.footer__badges-images img {
    width: 150px;
    height: auto;
}

.footer__badges-text {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--color-text);
}

/* ボトムバー */
.footer__bottom {
    padding: 24px 0;
}

.footer__bottom .footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__bottom-nav {
    display: flex;
    gap: 32px;
}

.footer__bottom-nav a {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.3rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer__bottom-nav a:hover {
    opacity: 0.6;
    text-decoration: none;
}

.footer__copyright {
    font-family: var(--font-heading);
    font-weight: 400;
    font-size: 1.3rem;
    color: var(--color-text-light);
}

/* === Breadcrumb === */
.breadcrumb {
    padding: 24px 0;
}

.breadcrumb__inner {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 1.3rem;
    line-height: 1;
    letter-spacing: var(--ls-body);
    color: var(--color-text-light);
}

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

.breadcrumb__item:not(:last-child)::after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    margin: 0 8px;
    background: currentColor;
    color: #b0b8bc;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.28 11.47a.75.75 0 0 1 0 1.06l-7.5 7.5a.75.75 0 0 1-1.06-1.06L14.69 12 7.72 5.03a.75.75 0 0 1 1.06-1.06l7.5 7.5Z' clip-rule='evenodd'/%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.28 11.47a.75.75 0 0 1 0 1.06l-7.5 7.5a.75.75 0 0 1-1.06-1.06L14.69 12 7.72 5.03a.75.75 0 0 1 1.06-1.06l7.5 7.5Z' clip-rule='evenodd'/%3E%3C/svg%3E");
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
}

.breadcrumb__item a {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-text-light);
    text-decoration: none;
}

.breadcrumb__item a:hover {
    color: var(--color-primary);
}

.breadcrumb__item:last-child span {
    color: var(--color-text);
    font-weight: 500;
}

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-primary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 90;
}

.back-to-top--visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    opacity: 0.7;
}

/* === Hamburger Button === */
.header__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10001;
    position: relative;
}

.header__hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.header__hamburger--active .header__hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__hamburger--active .header__hamburger-line:nth-child(2) {
    opacity: 0;
}

.header__hamburger--active .header__hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* === Mobile Menu === */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.mobile-menu--open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    padding: 72px 24px 40px;
    overflow-y: auto;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.mobile-menu--open .mobile-menu__inner {
    transform: translateY(0);
}

.mobile-menu__header {
    display: none;
}

.mobile-menu__logo img {
    height: 28px;
    width: auto;
}

.mobile-menu__close {
    display: none;
}

.mobile-menu__close:hover {
    background: var(--color-bg-light);
}

.mobile-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu__item {
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 16px 0;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.5rem;
    color: var(--color-text);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu__chevron {
    transition: transform 0.3s;
}

.mobile-menu__item--open .mobile-menu__chevron {
    transform: rotate(180deg);
}

.mobile-menu__sub {
    list-style: none;
    padding: 0 0 12px 16px;
    margin: 0;
    display: none;
}

.mobile-menu__item--open .mobile-menu__sub {
    display: block;
}

.mobile-menu__sub li a {
    display: block;
    padding: 10px 0;
    font-size: 1.4rem;
    color: var(--color-text-light);
    text-decoration: none;
}

.mobile-menu__sub li a:hover {
    color: var(--color-primary);
}

.mobile-menu__cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.mobile-menu__cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.5rem;
    text-decoration: none;
    transition: transform 0.2s;
}

.mobile-menu__cta-btn:hover {
    transform: translateY(-2px);
}

.mobile-menu__cta-btn--primary {
    background: var(--color-primary);
    color: #fff;
}

.mobile-menu__cta-btn--secondary {
    background: var(--color-accent);
    color: var(--color-text);
}

body.menu-open {
    overflow: hidden;
}