/* ===========================================
   Layout: Header, Navigation, Footer, Page Header
=========================================== */

/* Header */
header, .site-header {
    background-color: var(--color-bg);
    font-family: var(--font-display);
    border-bottom: 1px solid var(--color-border);
}

.header-logo .logo-top { display: block; font-family: 'Inter', sans-serif; font-size: 9px; font-weight: 400; color: #707375; letter-spacing: -0.0585938em; line-height: 1.4; margin-bottom: 2px; }
.header-main { padding: var(--spacing-md) 0; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }
.header-logo h1 { margin: 0; line-height: 1; }
.header-logo a { text-decoration: none; display: block; }
.header-logo .logo-sub { display: block; font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 400; color: #707375; letter-spacing: -0.015625em; line-height: 1.4; }
.header-logo .logo-main { display: block; font-family: 'Inter', sans-serif; font-size: 22px; font-weight: 500; color: #707375; letter-spacing: 0.0683594em; line-height: 1.3; }
.header-pc-info { display: flex; align-items: center; gap: var(--spacing-lg); }
.tel-box { display: flex; align-items: center; color: var(--color-primary); font-weight: bold; }
.tel-icon-text { font-size: 20px; margin-right: var(--spacing-xs); position: relative; top: 2px; color: var(--color-primary); }
.tel-number { font-size: 28px; font-family: var(--font-number); line-height: 1; letter-spacing: 0.5px; }
.btn-header-reserve { background-color: var(--color-secondary); color: var(--color-bg); padding: 10px 25px; border-radius: var(--radius-sm); font-weight: bold; font-size: 16px; transition: var(--transition-base); }
.btn-header-reserve:hover { opacity: 0.9; }
.header-sp-nav, .sp-drawer-nav { display: none; }

/* Navigation */
.pc-nav { border-top: 1px solid var(--color-border-light); }
.pc-nav ul { display: flex; justify-content: center; margin: 0; padding: 0; }
.pc-nav li { margin: 0; position: relative; }
.pc-nav li::after { content: "|"; color: #ccc; margin: 0 var(--spacing-md); }
.pc-nav li:last-child::after { content: none; }
.pc-nav a { display: inline-block; padding: var(--spacing-md) 0; color: var(--color-text-light); font-size: 14px; font-weight: 500; }
.pc-nav a:hover { color: var(--color-primary); opacity: 1; }
.pc-nav .sub-menu { display: none; position: absolute; top: 100%; left: 0; width: 200px; background-color: var(--color-text); z-index: 1000; padding: 0; }
.pc-nav .has-child:hover .sub-menu { display: block; }
.pc-nav .sub-menu li { width: 100%; margin: 0; display: block; }
.pc-nav .sub-menu li::after { content: none; }
.pc-nav .sub-menu a { display: block; padding: var(--spacing-md); color: var(--color-bg); border-bottom: 1px solid #444; font-size: 13px; text-align: left; }
.pc-nav .sub-menu a:hover { background-color: #555; color: var(--color-bg); }

/* Footer */
.section-map { width: 100%; line-height: 0; }
.section-map iframe { vertical-align: bottom; filter: grayscale(0.2); }
.footer { background-color: var(--color-footer-bg); color: var(--color-bg); padding: var(--spacing-3xl) 0 var(--spacing-lg); font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: var(--spacing-3xl); }
.footer-info { width: 40%; }
.footer-clinic-name { font-size: 20px; font-weight: bold; margin-bottom: var(--spacing-lg); text-align: left; border: none; padding: 0; left: 0; transform: none; color: var(--color-bg); }
.footer-address { line-height: 1.8; font-size: 14px; }
.footer-links { width: 55%; display: flex; justify-content: space-between; }
.footer-col { padding: 0; margin: 0; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: var(--color-bg); font-size: 13px; transition: var(--transition-fast); }
.footer-col a:hover { color: var(--color-primary-light); opacity: 1; }
.copyright { text-align: center; font-size: 10px; color: #ccc; border-top: none; }
.footer-tel { margin-top: var(--spacing-sm); }
.footer-tel a { color: var(--color-bg); font-family: var(--font-number); font-size: 16px; letter-spacing: 0.5px; }
.footer-tel a:hover { color: var(--color-primary-light); opacity: 1; }

/* Page Header (all pages) */
div.page-header, .entry-header, .page-header-image-single { display: none; }
.page-header--gradient { background: linear-gradient(to bottom, var(--color-primary-pale) 0%, var(--color-bg) 100%); width: 100vw; position: relative; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw; padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-2xl); margin-bottom: 50px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.page-header--gradient h2 { color: var(--color-text); font-size: 28px; font-weight: bold; margin-bottom: var(--spacing-lg); border: none; position: static; transform: none; left: auto; }
.page-header--gradient p { max-width: 800px; margin: 0 auto; text-align: center; }

/* Page Hero — Luxury Catalog style (shared) */
.page-hero {
    padding: 72px 20px 56px;
    text-align: center;
    background: linear-gradient(168deg, #e8f4f5 0%, #f0f5f2 35%, #f7f6f3 100%);
}
.page-hero__en {
    display: block;
    font-family: "Cormorant Garamond", "Georgia", serif;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
    opacity: 0.7;
}
.page-hero__title {
    font-size: 32px;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.12em;
    margin: 0;
    border: none;
    padding: 0;
    position: static;
    transform: none;
    left: auto;
}
.page-hero__divider {
    display: flex;
    justify-content: center;
    margin: 20px 0 16px;
}
.page-hero__divider span {
    display: block;
    width: 48px;
    height: 1px;
    background: var(--color-primary-dark);
    position: relative;
}
.page-hero__divider span::before {
    content: "";
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 7px;
    height: 7px;
    border: 1px solid var(--color-primary-dark);
    border-radius: 50%;
    background: #f7f6f3;
}
.page-hero__sub {
    font-size: 13px;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
    margin: 0;
    line-height: 1.6;
}

/* Body scroll lock */
body.drawer-open { overflow: hidden; }

/* Back to top */
.back-to-top { position: fixed; right: 24px; bottom: 90px; width: 48px; height: 48px; background-color: var(--color-primary); color: var(--color-bg); border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(121, 194, 204, 0.4); opacity: 0; visibility: hidden; transform: translateY(20px); transition: all 0.3s ease; z-index: 99; }
.back-to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background-color: var(--color-primary-dark); opacity: 1; }

/* ===========================================
   Responsive (Mobile)
=========================================== */
@media (max-width: 767px) {
    .pc-only { display: none; }
    .sp-only { display: block; margin: 0 auto; }
    .header-pc-info, .pc-nav { display: none; }
    .header-main { padding: 0; position: relative; }
    .header-flex { width: 100%; margin: 0; max-width: none; }
    .header-logo { padding: var(--spacing-sm) var(--spacing-md); flex-grow: 1; }
    .header-logo .logo-sub { font-size: 11px; }
    .header-logo .logo-main { font-size: 17px; }

    .header-sp-nav { display: flex; width: 140px; flex-shrink: 0; }
    .sp-btn-reserve, .sp-btn-menu { width: 50%; height: 70px; display: flex; flex-direction: column; justify-content: center; align-items: center; color: var(--color-bg); cursor: pointer; }
    .sp-btn-reserve { background-color: var(--color-secondary); }
    .sp-btn-menu { background-color: var(--color-primary); }
    .sp-btn-text { font-size: 11px; margin-bottom: var(--spacing-xs); font-weight: bold; }
    .sp-btn-icon { width: 20px; }
    .hamburger-lines { width: 24px; height: 16px; position: relative; }
    .hamburger-lines span { display: block; position: absolute; width: 100%; height: 2px; background-color: var(--color-bg); transition: var(--transition-base); }
    .hamburger-lines span:nth-child(1) { top: 0; }
    .hamburger-lines span:nth-child(2) { top: 7px; }
    .hamburger-lines span:nth-child(3) { bottom: 0; }
    .sp-btn-menu.active .hamburger-lines span:nth-child(1) { top: 7px; transform: rotate(45deg); }
    .sp-btn-menu.active .hamburger-lines span:nth-child(2) { opacity: 0; }
    .sp-btn-menu.active .hamburger-lines span:nth-child(3) { bottom: 7px; transform: rotate(-45deg); }
    .sp-drawer-nav { display: block; position: fixed;  left: 0; width: 100%; height: calc(100vh - 95px); background: rgba(255, 255, 255, 0.98); z-index: 999; transform: translateX(100%); transition: var(--transition-base); overflow-y: auto; }
    .sp-drawer-nav.active { transform: translateX(0); }
    .sp-drawer-nav ul { padding: var(--spacing-lg); }
    .sp-drawer-nav li { border-bottom: 1px solid var(--color-border-light); margin: 0; }
    .sp-drawer-nav a { display: block; padding: var(--spacing-md); color: var(--color-text); font-weight: bold; }

    .page-header--gradient { padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl); }
    .page-header--gradient h2 { font-size: 22px; }

    .page-hero { padding: 48px 20px 36px; }
    .page-hero__en { font-size: 11px; letter-spacing: 0.25em; }
    .page-hero__title { font-size: 24px; letter-spacing: 0.08em; }

    .section-map iframe { height: 250px; }
    .footer { padding: var(--spacing-2xl) 0 var(--spacing-lg); }
    .footer-inner { flex-direction: column; margin-bottom: var(--spacing-2xl); }
    .footer-info { width: 100%; margin-bottom: var(--spacing-2xl); text-align: left; }
    .footer-clinic-name { font-size: 18px; margin-bottom: var(--spacing-md); }
    .footer-links { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--spacing-lg); }
    .footer-col:nth-child(1) { grid-column: 1; grid-row: 1; }
    .footer-col:nth-child(2) { grid-column: 1; grid-row: 2; margin-top: 12px; }
    .footer-col:nth-child(3) { grid-column: 2; grid-row: 1 / span 2; }
    .footer-col a { font-size: 12px; line-height: 2; }

    .back-to-top { right: 16px; bottom: 80px; width: 42px; height: 42px; }
}