/* ==========================================================================
   Header — Floating style
   ========================================================================== */

.site-header {
    position: fixed;
    top: 12px;
    left: 16px;
    right: 16px;
    z-index: 100;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.site-header__inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 0 1rem;
    height: 60px;
    gap: 1rem;
}

/* ---------- Branding ---------- */

.site-header__branding {
    grid-column: 1;
}

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

.site-header__logo {
    display: block;
    height: 60px;
    width: auto;
}

/* ---------- Navigation ---------- */

.site-header__nav {
    grid-column: 2;
    display: flex;
    justify-content: center;
    overflow: visible;
}

.site-header__menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.site-header__menu .menu-item {
    position: relative;
}

.site-header__menu .menu-item-has-children {
    padding-bottom: 0.55rem;
    margin-bottom: -0.55rem;
}

.site-header__menu .menu-item > a {
    display: block;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: #333;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease;
    font-family: "Noto Sans JP", sans-serif;
}

.site-header__menu .menu-item > a:hover,
.site-header__menu .menu-item > a:focus {
    color: #4875be;
}


/* Dropdown indicator for items with children */
.site-header__menu .menu-item-has-children > a::after {
    content: "+";
    display: inline-block;
    margin-left: 0.35rem;
    font-size: 1rem;
    font-weight: 700;
    color: #4875be;
    line-height: 1;
}

.site-header__menu .menu-item-has-children:hover > a::after,
.site-header__menu .menu-item-has-children:focus-within > a::after {
    content: "−";
}

.site-header__menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 120;
    min-width: 170px;
    margin: 0;
    padding: 1.3rem 0 0.75rem;
    list-style: none;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transform: translateX(-50%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.site-header__menu .menu-item-has-children:hover > .sub-menu,
.site-header__menu .menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.site-header__menu .sub-menu li {
    margin: 0;
}

.site-header__menu .sub-menu a {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: #666;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.site-header__menu .sub-menu a::before {
    content: none;
}

.site-header__menu .sub-menu a::first-letter {
    color: #d8c9c6;
}

.site-header__menu .sub-menu a:hover,
.site-header__menu .sub-menu a:focus {
    color: #4875be;
}

/* ---------- CTA Buttons ---------- */

.site-header__cta {
    grid-column: 3;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-header__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.5;
    text-decoration: none;
    border-radius: 4px;
    white-space: nowrap;
    letter-spacing: 0.4em;
    box-sizing: border-box;
    transition: opacity 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.site-header__btn:hover,
.site-header__btn:focus {
    opacity: 0.85;
}

.site-header__btn--positions {
    background-color: #4875be;
    color: #fff;
    border: 1px solid #4875be;
}

.site-header__btn--entry {
    background-color: #fc7a62;
    color: #fff;
    border: 1px solid #fc7a62;
}

.site-header__menu-toggle {
    display: none;
    min-width: 112px;
    letter-spacing: 0.18em;
}

.site-header__menu-toggle-label {
    display: inline-block;
}

.site-header__drawer {
    display: none;
}

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

/* ---------- Responsive ---------- */

@media (max-width: 768px) {
    .site-header {
        top: 8px;
        left: 10px;
        right: 10px;
        overflow: hidden;
    }

    .site-header__logo {
        height: 38px;
    }

    .site-header__inner {
        grid-template-columns: auto 1fr auto;
    }

    .site-header__nav,
    .site-header__cta {
        display: none;
    }

    .site-header__menu-toggle {
        grid-column: 3;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.7rem 1.1rem;
        min-width: 104px;
        min-height: 44px;
        font-size: 0.95rem;
    }

    .site-header--menu-open {
        bottom: 8px;
        display: flex;
        flex-direction: column;
        max-height: calc(95dvh - 16px);
    }

    .site-header--menu-open .site-header__inner {
        border-bottom: 1px solid #f0ece9;
        flex: 0 0 auto;
    }

    .site-header--menu-open .site-header__drawer {
        display: block;
        flex: 1 1 auto;
        overflow-y: auto;
        padding: 1.5rem 2rem calc(2rem + env(safe-area-inset-bottom));
    }

    .site-header__drawer-menu {
        display: flex;
        flex-direction: column;
        gap: 1.1rem;
        list-style: none;
        margin: 0;
        padding: 0;
        align-items: flex-start;
    }

    .site-header__drawer-menu .menu-item,
    .site-header__drawer-menu .menu-item-has-children {
        margin: 0;
        padding: 0;
    }

    .site-header__drawer-menu > .menu-item > a {
        display: inline-flex;
        align-items: center;
        gap: 0.85rem;
        padding: 0.2rem 0;
        font-size: 1.35rem;
        font-weight: 600;
        color: #5a504e;
        text-decoration: none;
    }

    .site-header__drawer-menu > .menu-item > a::after,
    .site-header__drawer-menu .menu-item-has-children > a::after,
    .site-header__drawer-menu .menu-item-has-children:hover > a::after,
    .site-header__drawer-menu .menu-item-has-children:focus-within > a::after {
        content: "\203A";
        margin-left: 0.35rem;
        flex: 0 0 auto;
        color: #fc7a62;
        font-size: 1.4rem;
        font-weight: 700;
        line-height: 1;
    }

    .site-header__drawer-menu > .menu-item > a::after {
        content: "›";
        margin-left: auto;
        color: #fc7a62;
        font-size: 1.4rem;
        font-weight: 700;
        line-height: 1;
    }

    .site-header__drawer-menu > .menu-item > a::after,
    .site-header__drawer-menu .menu-item-has-children > a::after,
    .site-header__drawer-menu .menu-item-has-children:hover > a::after,
    .site-header__drawer-menu .menu-item-has-children:focus-within > a::after {
        content: "\203A";
    }

    .site-header__drawer-menu > .menu-item > a::after,
    .site-header__drawer-menu .menu-item-has-children > a::after,
    .site-header__drawer-menu .menu-item-has-children:hover > a::after,
    .site-header__drawer-menu .menu-item-has-children:focus-within > a::after {
        margin-left: 0.35rem;
        flex: 0 0 auto;
    }

    .site-header__drawer-menu .sub-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        box-shadow: none;
        border-radius: 0;
        background: transparent;
        padding: 0.35rem 0 0.35rem 0px;
        min-width: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    .site-header__drawer-menu .sub-menu a {
        font-size: 1rem;
        color: #6d6160;
        padding: 0;
        white-space: normal;
        display: flex;
        align-items: center;
        gap: 0.45rem;
        text-decoration: none;
    }

    .site-header__drawer-menu .sub-menu a::before {
        content: "—";
        color: #d8c9c6;
    }

    .site-header__drawer-menu .sub-menu a::before {
        content: "\2014";
    }

    .site-header__drawer-menu .sub-menu a::before {
        content: none;
    }

    .site-header__drawer-cta {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        margin-top: 1.75rem;
    }

    .site-header__drawer-menu .sub-menu a::before {
        content: none;
    }

    .site-header__drawer-menu .sub-menu a::first-letter {
        color: #d8c9c6;
    }

    .site-header__drawer-cta .site-header__btn {
        width: 100%;
        min-height: 52px;
        border-radius: 8px;
        letter-spacing: 0.18em;
        font-size: 1rem;
    }
}

@media (max-width: 375px), (max-height: 700px) {
    .site-header__menu-toggle {
        min-width: 96px;
        min-height: 42px;
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
    }

    .site-header--menu-open .site-header__drawer {
        padding: 1.25rem 1.5rem calc(1.5rem + env(safe-area-inset-bottom));
    }

    .site-header__drawer-menu {
        gap: 0.9rem;
    }

    .site-header__drawer-menu > .menu-item > a {
        font-size: 1.15rem;
    }

    .site-header__drawer-menu .sub-menu {
        gap: 0.6rem;
        padding-top: 0.25rem;
    }

    .site-header__drawer-menu .sub-menu a {
        font-size: 0.95rem;
    }

    .site-header__drawer-cta {
        gap: 0.85rem;
        margin-top: 1.5rem;
    }

    .site-header__drawer-cta .site-header__btn {
        min-height: 48px;
        font-size: 0.95rem;
    }
}

.site-header__menu .sub-menu a,
.site-header__drawer-menu .sub-menu a {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.site-header__menu .sub-menu a::before,
.site-header__drawer-menu .sub-menu a::before {
    content: "\2014";
    color: #d8c9c6;
    flex: 0 0 auto;
}

.site-header__menu .sub-menu a::first-letter,
.site-header__drawer-menu .sub-menu a::first-letter {
    color: inherit;
}