/* header component (include fragment) */

.c-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 20;
    --header-foreground-progress: var(--fv-header-logo-filter-progress, 0);
    /* scoped variables for header-only drawing/animation values */
    --header-menu-line-width: 1.875rem;
    --header-menu-line-height: 0.125rem;
    --header-menu-line-offset: 0.5rem;
    --header-drawer-item-shift: -0.75rem;
}

.c-header.is-drawer-ui-white {
    --header-foreground-progress: 0;
}

.c-header__section {
    padding-block: 1rem 0.75rem;
}

.c-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 2rem;
}

.c-header__logo-link {
    display: inline-flex;
    width: 10rem;
}

.c-header__logo {
    display: block;
    width: 100%;
    height: auto;
    color: var(--text-white);
    fill: currentColor;
    filter: brightness(calc(1 - (0.7059 * var(--header-foreground-progress))));
    position: relative;
    z-index: 999;
}

.c-header__nav--desktop,
.c-header .c-lang-switcher {
    display: none;
}

.c-header__drawer {
    position: relative;
}

.c-header__menu-button {
    display: grid;
    place-items: center;
    padding: 0;
    width: 2rem;
    height: 2rem;
    border: 0;
    background: transparent;
    cursor: pointer;
    position: relative;
    z-index: 24;
}

/* CSS icon for menu/close (2 lines) */
.c-header__menu-icon {
    width: var(--header-menu-line-width);
    height: var(--header-menu-line-height);
    border-radius: var(--radius-round);
    background: color-mix(in srgb, var(--text-white) calc(100% - (var(--header-foreground-progress) * 100%)), var(--black) calc(var(--header-foreground-progress) * 100%));
    position: relative;
    display: block;
    transition:
        background 0.32s ease,
        transform 0.32s ease;
}

.c-header__menu-icon::before,
.c-header__menu-icon::after {
    content: "";
    width: var(--header-menu-line-width);
    height: var(--header-menu-line-height);
    border-radius: var(--radius-round);
    background: color-mix(in srgb, var(--text-white) calc(100% - (var(--header-foreground-progress) * 100%)), var(--black) calc(var(--header-foreground-progress) * 100%));
    position: absolute;
    left: 0;
    transition:
        top 0.32s ease,
        transform 0.32s ease,
        opacity 0.32s ease;
}

.c-header__menu-icon::before {
    top: var(--header-menu-line-offset);
}
.c-header__menu-icon::after {
    bottom: var(--header-menu-line-offset);
}

.c-header__nav--drawer {
    position: fixed;
    inset: 0;
    visibility: hidden;
    pointer-events: none;
    display: block;
    z-index: 22;
    overflow-y: auto;
}

.c-header__drawer-bg {
    position: fixed;
    height: 100svh;
    inset: 0;
    background: var(--livin-guu_1);
    border: 0;
    padding: 0;
    transform-origin: top;
    transform: scaleY(0);
    transition: transform 0.42s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.c-header__drawer-inner {
    position: relative;
    height: auto;
    margin-block: clamp(5rem, 10vw, 8rem);
    margin-inline: auto;
    border-radius: 1.25rem;
    background: var(--bg-white-94);
    padding-block: 2.5rem 1.5rem;
    padding-inline: 1.25rem;
    overflow-y: auto;
    opacity: 0;
    transform: translateY(-1rem);
    transition:
        opacity 0.24s ease 0.22s,
        transform 0.36s cubic-bezier(0.22, 0.61, 0.36, 1) 0.22s;
}

.c-header__menu--sp-primary + .c-header__menu-hotel-groups {
    margin-block-start: 2.5rem;
}
.c-header__menu-hotel-groups + .c-header__drawer-footer {
    margin-block-start: 1rem;
}

.c-header__drawer-footer + .c-header__drawer-photo {
    margin-block-start: 1.5rem;
}

.c-header__menu,
.c-header__menu-grid,
.c-header__menu-list {
    padding: 0;
    margin: 0;
    list-style: none;
}

.c-header__menu-grid {
    display: grid;
}

.c-header__menu-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.c-header__menu-grid--double {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.25rem 0.75rem;
}

.c-header__menu a {
    color: var(--text-black);
    text-decoration: none;
    font-size: var(--font-size-14);
    line-height: var(--line-height-160);
    letter-spacing: var(--letter-spacing-6);
}

/* SP drawer menu layout */
.c-header__menu--sp-primary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 1rem;
    column-gap: 0;
    justify-items: start;
    align-items: center;
    width: 100%;
}

.c-header__menu--sp-primary a {
    font-family: var(--font-family-eng), sans-serif;
    font-size: var(--font-size-16);
    line-height: var(--line-height-100);
    letter-spacing: var(--letter-spacing-2);
}

.c-header__menu-item--full {
    grid-column: 1 / -1;
}

.c-header__menu-hotel-groups {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.c-header__menu-group {
    display: flex;
    flex-direction: column;
}

.c-header__menu-caption {
    margin: 0;
    color: var(--gray1-5);
    font-family: var(--font-family-jp), sans-serif;
    font-size: var(--font-size-12);
    line-height: var(--line-height-170);
    letter-spacing: var(--letter-spacing-6);
}

.c-header__menu-caption--en {
    font-family: var(--font-family-eng), sans-serif;
}

.c-header__menu-grid a,
.c-header__menu-list a {
    color: var(--text-black);
    text-decoration: none;
    font-family: var(--font-family-eng), var(--font-family-jp), sans-serif;
    font-size: var(--font-size-13);
    line-height: var(--line-height-170);
    letter-spacing: var(--letter-spacing-6);
}

.c-header__drawer-footer {
    display: flex;
    justify-content: flex-end;
}

.c-header__drawer .c-lang-switcher--drawer {
    display: inline-flex;
}

/* language switcher (same look as footer, scoped for header) */
.c-header .c-lang-switcher {
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.25rem;
    border: 1px solid var(--gray6);
    border-radius: var(--radius-base);
    background: linear-gradient(138deg, rgba(238, 238, 238, 0.9) 10%, rgba(238, 238, 238, 0.6) 100%);
}

.c-header .c-lang-switcher__item {
    color: var(--gray3);
    font-family: var(--font-family-eng), sans-serif;
    font-size: var(--font-size-14);
    line-height: var(--line-height-160);
    letter-spacing: var(--letter-spacing-3);
    padding-inline: 0.45rem;
    text-decoration: none;
}

.c-header .c-lang-switcher__item--current {
    color: var(--text-black);
}

.c-header .c-lang-switcher__separator {
    opacity: 1;
    width: 1px;
    height: 1rem;
    background-color: var(--gray3);
}

.c-header .c-lang-switcher:has(a:hover) .c-lang-switcher__separator {
    opacity: 0;
}

.c-header a.c-lang-switcher__item:hover {
    color: var(--text-white);
    background-color: var(--gray3);
    border-radius: var(--radius-base);
}

.c-header__drawer-photo {
    width: 100%;
    aspect-ratio: 310 / 206;
    background: var(--gray4);
    border-radius: var(--radius-round);
    overflow: hidden;
}

/* SP drawer animation (bg first, content later) */
.c-header__menu--sp-primary > li,
.c-header__menu-group,
.c-header__drawer-footer,
.c-header__drawer-photo {
    opacity: 0;
    transform: translateY(var(--header-drawer-item-shift));
    transition:
        opacity 0.24s ease,
        transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.c-header__menu--sp-primary > li:nth-child(1) {
    transition-delay: 0.27s;
}

.c-header__menu--sp-primary > li:nth-child(2) {
    transition-delay: 0.3s;
}

.c-header__menu--sp-primary > li:nth-child(3) {
    transition-delay: 0.33s;
}

.c-header__menu--sp-primary > li:nth-child(4) {
    transition-delay: 0.36s;
}

.c-header__menu--sp-primary > li:nth-child(5) {
    transition-delay: 0.39s;
}

.c-header__menu-group {
    transition-delay: 0.42s;
}

.c-header__drawer-footer {
    transition-delay: 0.48s;
}

.c-header__drawer-photo {
    transition-delay: 0.54s;
}

/* shared open-state target list to reduce selector duplication */
.c-header.is-menu-open :is(.c-header__menu--sp-primary > li, .c-header__menu-group, .c-header__drawer-footer, .c-header__drawer-photo) {
    opacity: 1;
    transform: translateY(0);
}

/* close animation uses reversed stagger order */
.c-header.is-menu-closing .c-header__menu--sp-primary > li:nth-child(1) {
    transition-delay: 0.27s;
}

.c-header.is-menu-closing .c-header__menu--sp-primary > li:nth-child(2) {
    transition-delay: 0.24s;
}

.c-header.is-menu-closing .c-header__menu--sp-primary > li:nth-child(3) {
    transition-delay: 0.21s;
}

.c-header.is-menu-closing .c-header__menu--sp-primary > li:nth-child(4) {
    transition-delay: 0.18s;
}

.c-header.is-menu-closing .c-header__menu--sp-primary > li:nth-child(5) {
    transition-delay: 0.15s;
}

.c-header.is-menu-closing .c-header__menu-group {
    transition-delay: 0.12s;
}

.c-header.is-menu-closing .c-header__drawer-footer {
    transition-delay: 0.06s;
}

.c-header.is-menu-closing .c-header__drawer-photo {
    transition-delay: 0s;
}

.c-header.is-menu-open .c-header__nav--drawer {
    visibility: visible;
    pointer-events: auto;
}

.c-header.is-menu-closing .c-header__nav--drawer {
    visibility: visible;
    pointer-events: none;
}

.c-header.is-menu-open .c-header__drawer-bg {
    transform: scaleY(1);
}

.c-header.is-menu-closing .c-header__drawer-bg {
    transition-delay: 0.22s;
}

.c-header.is-menu-open .c-header__drawer-inner {
    opacity: 1;
    transform: translateY(0);
}

.c-header.is-menu-open .c-header__menu-icon::after {
    background: transparent;
}

.c-header.is-menu-open .c-header__menu-icon::before {
    top: 0;
    transform: rotate(-64deg);
}

.c-header.is-menu-open .c-header__menu-icon {
    top: 0;
    transform: rotate(32deg);
}

body.is-header-menu-open {
    overflow: hidden;
}

.c-header.is-footer-logo-hidden .c-header__logo-link,
.c-header.is-footer-logo-hidden .c-header__menu-button {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    .c-header__drawer-bg,
    .c-header__drawer-inner,
    .c-header__menu--sp-primary > li,
    .c-header__menu-group,
    .c-header__drawer-footer,
    .c-header__drawer-photo,
    .c-header__menu-icon,
    .c-header__menu-icon::before,
    .c-header__menu-icon::after {
        transition: none;
    }
}

/* desktop header */
@media (min-width: 768px) {
    .c-header__section {
        padding-block: 1.25rem 0;
        width: min(calc(100% - 2rem), 1440px);
    }

    .c-header__inner {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        align-items: start;
        min-height: 3.25rem;
        margin-inline: auto;
    }

    .c-header__logo-link {
        width: 11.875rem;
        min-width: 0;
        justify-self: start;
    }

    .c-header__logo {
        margin-block-start: 0.25rem;
    }

    .c-header__drawer {
        display: none;
    }

    .c-header__nav--desktop {
        display: block;
        justify-self: center;
        padding: 0.65rem 1.25rem;
        border: 1px solid var(--gray6);
        border-radius: var(--radius-round);
        background: linear-gradient(93.45deg, rgba(238, 238, 238, 0.9) 0.10474%, rgba(238, 238, 238, 0.7) 99.936%);
    }

    .c-header__menu--desktop {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 1rem;
        list-style: none;
        font-size: var(--font-size-15);
    }

    .c-header__menu--desktop a {
        background-color: rgba(176, 166, 157, 0);
        border-radius: var(--radius-round);
        padding: 0.5rem 0.875rem;
        font-size: inherit;
        line-height: var(--line-height-100);
        letter-spacing: var(--letter-spacing-2);
    }

    .c-header__menu--desktop a.c-nav-link--with-icon {
        padding-inline-start: 1rem;
    }

    .c-header__menu--desktop a:hover {
        background-color: rgba(176, 166, 157, 1);
        color: var(--text-white);
    }

    .c-header .c-lang-switcher {
        display: inline-flex;
        min-width: 0;
        justify-self: end;
    }
}