html, body {
    min-height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    margin: 0;
}

body > .main,
body > main,
body > main.main {
    flex: 1 0 auto;
}

body > .site-footer {
    flex-shrink: 0;
    margin-top: auto;
}

/* ============================================================
   Site Header
   ============================================================ */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

/* Top row: spacer | brand | icons */
.site-header__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2.5rem 0.75rem;
}

.site-header__spacer {
    flex: 1;
}

.brand-name {
    flex: 1;
    text-align: center;
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 400;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.brand-name:hover,
.brand-name:focus {
    color: var(--color-text);
    text-decoration: none;
}

.site-header__icons {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1rem;
}

.site-header__icons a {
    color: var(--color-text);
    font-size: 2rem;
    text-decoration: none;
    line-height: 1;
}

.site-header__icons a:hover {
    color: var(--color-accent);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 2rem;
    height: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    margin: 0;
    align-self: center;
    line-height: 1;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
    transform-origin: center;
}

.nav-hamburger.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-hamburger.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.main-nav {
    border-top: 1px solid var(--color-border);
    padding: 0.65rem 2.5rem;
    display: flex;
    justify-content: center;
}

.main-nav > ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 5rem;
}

.main-nav > ul > li {
    margin: 0;
    padding: 0;
}

.main-nav > ul a {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.1em;
    word-spacing: 1em;
    transition: color 0.2s;
}

.main-nav > ul a:hover {
    color: var(--color-accent);
}

.main-nav > ul a.nav-active {
    color: var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 2px;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown__trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-dropdown__chevron {
    font-size: 0.9rem;
    transition: transform 0.2s ease;
    line-height: 1;
}

.nav-dropdown.is-open .nav-dropdown__chevron {
    transform: rotate(180deg);
}

.nav-dropdown__menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    padding: 8px 0;
    min-width: 160px;
    list-style: none;
    flex-direction: column !important;
    gap: 0 !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
    z-index: 100;
}

.nav-dropdown.is-open .nav-dropdown__menu {
    display: flex;
}

.nav-dropdown__menu li {
    width: 100%;
}

.nav-dropdown__menu a {
    display: block;
    padding: 10px 20px;
    font-size: 1.4rem !important;
    letter-spacing: 0.06em !important;
    white-space: nowrap;
    border-bottom: none !important;
}

.nav-dropdown__menu a:hover {
    background: var(--color-bg-card);
    color: var(--color-accent);
}

/* ============================================================
   Site Footer
   ============================================================ */
.site-footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    margin-top: 0;
}

.site-footer__main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    padding: 4rem 5rem;
}

.footer-brand-name {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.04em;
    display: block;
    margin-bottom: 0.75rem;
}

.footer-brand-name:hover {
    color: var(--color-text);
    text-decoration: none;
}

.footer-tagline {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin: 0 0 0.25rem;
    letter-spacing: 0.05em;
}

.footer-tagline-jp {
    font-family: var(--font-japanese);
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin: 0;
}

.footer-nav-heading {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--color-text);
    margin: 0 0 1rem;
}

.site-footer__nav ul,
.site-footer__contact ul {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 2rem;
}

.site-footer__nav ul li,
.site-footer__contact ul li {
    margin: 0;
}

.site-footer__nav ul a,
.site-footer__contact ul a {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.site-footer__nav ul a:hover,
.site-footer__contact ul a:hover {
    color: var(--color-accent);
}

.footer-social {
    display: flex;
    gap: 1.25rem;
    margin-top: 0.75rem;
}

.footer-social a {
    font-size: 1.6rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-social a:hover {
    color: var(--color-accent);
}

.site-footer__bar {
    border-top: 1px solid var(--color-border);
    padding: 1.25rem 5rem;
    display: flex;
    justify-content: center;
}

.site-footer__bar span {
    font-size: 1rem;
    color: var(--color-text-muted);
    letter-spacing: 0.03em;
}

/* ============================================================
   Main content area
   ============================================================ */
.main {
    padding: 0;
}

.main > .container {
    max-width: 100%;
    padding: 0;
}

/* ============================================================
   Mobile nav
   ============================================================ */
@media (max-width: 768px) {
    .brand-name {
        font-size: 2.6rem;
    }

    .site-header__top {
        padding: 1rem 1.25rem 0.75rem;
    }

    .nav-hamburger {
        display: flex;
    }

    .main-nav {
        display: none;
        padding: 0;
        border-top: 1px solid var(--color-border);
    }

    .main-nav.is-open {
        display: block;
    }

    .main-nav > ul {
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0 1rem;
    }

    .main-nav > ul > li {
        width: 100%;
    }

    .main-nav > ul a {
        display: block;
        padding: 0.75rem 1.5rem;
        font-size: 1.6rem;
        word-spacing: normal;
    }

    .main-nav > ul a.nav-active {
        border-bottom: none;
        padding-bottom: 0.75rem;
        background: var(--color-bg-card);
    }

    /* Store dropdown on mobile: inline expand */
    .nav-dropdown__trigger {
        width: 100%;
        justify-content: space-between;
    }

    .nav-dropdown__menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        border-top: 1px solid var(--color-border);
        padding: 0;
        background: var(--color-bg-card);
    }

    .nav-dropdown__menu a {
        padding: 0.65rem 2.5rem;
        font-size: 1.4rem !important;
    }

    /* Footer: stack on mobile */
    .site-footer__main {
        grid-template-columns: 1fr;
        padding: 2.5rem 1.5rem;
        gap: 2rem;
    }

    .site-footer__bar {
        padding: 1rem 1.5rem;
    }
}

/* ── Cart icon badge ─────────────────────────────────────── */
.cart-icon-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.cart-icon-badge {
    position: absolute;
    top: -7px;
    right: -8px;
    background: #c96a3a;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    min-width: 17px;
    height: 17px;
    border-radius: 99px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    pointer-events: none;
}