:root {
    --color-primary: #1b7a8c;
    --color-primary-dark: #145e6c;
    --color-text: #2b2f33;
    --color-muted: #6b7280;
    --color-bg: #ffffff;
    --color-bg-soft: #f4f8f9;
    --color-border: #e3e8ea;
    --header-height: 60px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header / Nav ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 16px;
}

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

.logo img {
    height: 38px;
    width: auto;
    display: block;
}

@media (max-width: 480px) {
    .logo img {
        height: 30px;
    }
}

.site-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.site-nav a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--color-text);
    font-size: 0.95rem;
    white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.active {
    background: var(--color-bg-soft);
    color: var(--color-primary-dark);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    margin: 6px 0;
    transition: 0.2s;
}

/* ---------- Main ---------- */
.site-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 16px 64px;
    min-height: calc(100vh - var(--header-height) - 80px);
}

.page-title {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--color-primary-dark);
}

.page-placeholder {
    color: var(--color-muted);
    border: 1px dashed var(--color-border);
    border-radius: 10px;
    padding: 24px;
    margin-top: 16px;
}

.page-subtitle {
    color: var(--color-muted);
    margin-top: 0;
}

/* ---------- About page ---------- */
.about-photo {
    width: 100%;
    max-width: 760px;
    height: auto;
    border-radius: 14px;
    display: block;
    margin-bottom: 24px;
}

.about-content {
    max-width: 760px;
}

.about-content h2 {
    font-size: 1.3rem;
    color: var(--color-primary-dark);
    margin: 0 0 16px;
}

.about-content p {
    margin: 0 0 16px;
    font-size: 1rem;
}

.about-meta {
    margin: 24px 0 0;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 4px 18px;
    background: var(--color-bg-soft);
}

.about-meta-row {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.about-meta-row:last-child {
    border-bottom: none;
}

.about-meta dt {
    flex: 0 0 80px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.about-meta dd {
    margin: 0;
    flex: 1 1 200px;
}

/* ---------- Checkup programs ---------- */
.notice {
    background: #fff7ed;
    border: 1px solid #fdba74;
    color: #7c2d12;
    border-radius: 12px;
    padding: 16px;
    margin: 16px 0 24px;
    line-height: 1.6;
    font-size: 0.92rem;
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.program-divider {
    grid-column: 1 / -1;
    border-top: 1px solid var(--color-border);
    margin: 4px 0;
}

.program-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 18px;
}

.program-name {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--color-primary-dark);
}

.program-label {
    font-weight: 700;
    font-size: 0.78rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin: 14px 0 6px;
}

.program-label:first-of-type {
    margin-top: 0;
}

.program-items {
    margin: 0;
    padding-left: 18px;
}

.program-items li {
    margin-bottom: 6px;
    line-height: 1.5;
    font-size: 0.92rem;
}

.program-empty {
    color: var(--color-muted);
}

.program-price {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pill {
    display: inline-block;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 700;
    background: var(--color-bg-soft);
    color: var(--color-primary-dark);
}

@media (max-width: 720px) {
    .program-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- Checkup selection guide ---------- */
.guide {
    margin: 24px 0;
}

.guide-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 60px;
    padding: 14px 20px;
    background: #12305c;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 14px;
    box-shadow: 0 4px 14px rgba(18, 48, 92, 0.25);
    cursor: pointer;
    list-style: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.15s, box-shadow 0.15s, transform 0.15s;
}

.guide-toggle::-webkit-details-marker {
    display: none;
}

.guide-toggle:hover {
    background: #1b4380;
    box-shadow: 0 6px 18px rgba(18, 48, 92, 0.32);
}

.guide-toggle:active {
    transform: scale(0.99);
}

.guide-toggle:focus-visible {
    outline: 3px solid #f7d774;
    outline-offset: 2px;
}

.guide-action {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: #12305c;
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.85rem;
}

.guide-action-close,
.guide[open] .guide-action-open {
    display: none;
}

.guide[open] .guide-action-close {
    display: inline;
}

.guide-chevron {
    width: 9px;
    height: 9px;
    border-right: 2px solid #12305c;
    border-bottom: 2px solid #12305c;
    transform: rotate(45deg);
    margin-top: -4px;
    transition: transform 0.2s;
}

.guide[open] .guide-chevron {
    transform: rotate(-135deg);
    margin-top: 4px;
}

.guide[open] .guide-toggle {
    border-radius: 14px 14px 0 0;
    box-shadow: none;
}

.guide-body {
    padding: 20px 24px 24px;
    border: 1px solid #9cc3e6;
    border-top: none;
    border-radius: 0 0 14px 14px;
}

.guide-subtitle {
    margin: 0 0 16px;
    text-align: center;
    font-weight: 600;
    color: var(--color-text);
}

.guide-criteria {
    background: #e8f2fb;
    border: 1px solid #9cc3e6;
    border-radius: 10px;
    padding: 12px 16px;
    text-align: center;
    font-weight: 700;
    color: #12305c;
    margin-bottom: 16px;
}

.guide-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.guide-row {
    display: grid;
    grid-template-columns: 40px 1fr 190px;
    align-items: center;
    gap: 14px;
    background: #f1f7fd;
    border-radius: 10px;
    padding: 10px 12px;
}

.guide-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #12305c;
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.guide-text {
    font-size: 0.95rem;
    line-height: 1.45;
}

.guide-text strong {
    color: #12305c;
}

.guide-badge {
    text-align: center;
    font-weight: 700;
    border-radius: 10px;
    padding: 10px 8px;
    font-size: 0.95rem;
}

.tier-green  { background: #d4f0ec; color: #0f5c55; }
.tier-bronze { background: #f3d9c4; color: #6b3a14; }
.tier-gold   { background: #f8e6a8; color: #6b4e00; }
.tier-silver { background: #d9e2ec; color: #12305c; }
.tier-deluxe { background: linear-gradient(135deg, #f7d774, #d9a520); color: #3d2b00; }

.guide-final {
    margin-top: 16px;
    background: #12305c;
    color: #fff;
    text-align: center;
    font-weight: 700;
    font-size: 1.05rem;
    border-radius: 12px;
    padding: 14px 16px;
}

.guide-note {
    margin: 12px 0 0;
    font-size: 0.85rem;
    color: var(--color-muted);
    text-align: center;
}

.prep-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.prep-images a {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.15s;
}

.prep-images a:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.prep-images img {
    display: block;
    width: 100%;
    height: auto;
}

@media (max-width: 720px) {
    .prep-images {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .guide-toggle {
        padding: 14px 16px;
        font-size: 1rem;
    }

    .guide-body {
        padding: 16px 12px 16px;
    }

    .guide-row {
        grid-template-columns: 32px 1fr;
        gap: 8px 10px;
    }

    .guide-num {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }

    .guide-badge {
        grid-column: 2;
        justify-self: start;
        padding: 6px 14px;
        font-size: 0.9rem;
    }
}

/* ---------- Home hero ---------- */
.hero {
    background: var(--color-bg-soft);
    border-radius: 16px;
    padding: 40px 24px;
    text-align: center;
    margin-bottom: 32px;
}

.hero h1 {
    font-size: 2rem;
    line-height: 1.25;
    margin: 0 0 12px;
    color: var(--color-primary-dark);
}

.hero p {
    color: var(--color-muted);
    max-width: 560px;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .hero {
        padding: 28px 18px;
    }

    .hero h1 {
        font-size: 1.4rem;
        line-height: 1.3;
        margin: 0 0 8px;
    }

    .hero p {
        font-size: 0.9rem;
    }
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.menu-card {
    display: block;
    padding: 24px 16px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
    color: var(--color-text);
    transition: 0.15s;
}

.menu-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 14px rgba(0,0,0,0.06);
    text-decoration: none;
}

.menu-card .icon {
    font-size: 1.8rem;
    display: block;
    margin-bottom: 8px;
}

/* ---------- Footer ---------- */
.site-footer {
    text-align: center;
    padding: 20px 16px;
    color: var(--color-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--color-border);
}

/* ---------- Mobile ---------- */
/* 로고 + 메뉴 5개가 약 940px 필요 → 그보다 좁으면 햄버거 메뉴로 전환 */
@media (max-width: 960px) {
    .nav-toggle { display: block; }

    .site-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: 0.15s;
    }

    .site-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .site-nav ul {
        flex-direction: column;
        padding: 8px;
        gap: 0;
    }

    .site-nav a {
        padding: 14px 16px;
        border-radius: 0;
    }
}

@media (max-width: 720px) {
    .menu-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- Info page ---------- */
.info-content { max-width: 820px; }
.info-heading {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary);
}
.info-lead { font-weight: 600; }
.info-content h3 {
    font-size: 1.15rem;
    color: var(--color-primary-dark);
    margin: 28px 0 12px;
}
.info-content p { margin: 0 0 14px; }
.info-content ul, .info-content ol { margin: 0 0 16px; padding-left: 22px; }
.info-content li { margin-bottom: 6px; }
.info-small { font-size: 0.9rem; color: var(--color-muted); }
.table-wrap { overflow-x: auto; margin: 0 0 12px; }
.info-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.info-table th, .info-table td {
    border: 1px solid var(--color-border);
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
}
.info-table th { background: var(--color-bg-soft); }
.info-content .notice { margin: 0 0 16px; }
.info-section { margin-top: 48px; }
.info-content h4 {
    font-size: 1.02rem;
    margin: 22px 0 8px;
    padding-left: 10px;
    border-left: 3px solid var(--color-primary);
}
.info-table td.num, .info-table th.num { white-space: nowrap; }
.info-table .usd { color: var(--color-muted); font-size: 0.9em; }

/* ---------- Info page anchors ---------- */
html { scroll-behavior: smooth; }
.info-heading { scroll-margin-top: calc(var(--header-height) + 16px); }
.info-anchors {
    position: sticky;
    top: var(--header-height);
    z-index: 50;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 24px;
    padding: 10px 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}
.info-anchors a {
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-bg-soft);
    font-size: 0.95rem;
    color: var(--color-primary-dark);
}
.info-anchors a:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.info-heading { scroll-margin-top: calc(var(--header-height) + 70px); }

/* ---------- Checkup floating program anchors ---------- */
.program-card[id] {
    scroll-margin-top: calc(var(--header-height) + 16px);
}

.prog-nav {
    position: fixed;
    right: 24px;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    z-index: 90;
}

.prog-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 20px;
    background: #12305c;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 999px;
    box-shadow: 0 6px 20px rgba(18, 48, 92, 0.35);
    cursor: pointer;
    list-style: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.prog-nav-btn::-webkit-details-marker {
    display: none;
}

.prog-nav-btn:hover {
    background: #1b4380;
}

.prog-nav-btn:focus-visible {
    outline: 3px solid #f7d774;
    outline-offset: 2px;
}

.prog-nav-icon,
.prog-nav-icon::before,
.prog-nav-icon::after {
    display: block;
    width: 18px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
}

.prog-nav-icon {
    position: relative;
}

.prog-nav-icon::before,
.prog-nav-icon::after {
    content: "";
    position: absolute;
    left: 0;
}

.prog-nav-icon::before { top: -6px; }
.prog-nav-icon::after  { top: 6px; }

.prog-nav[open] .prog-nav-icon {
    background: transparent;
}

.prog-nav[open] .prog-nav-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.prog-nav[open] .prog-nav-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

.prog-nav-panel {
    position: absolute;
    right: 0;
    bottom: calc(100% + 10px);
    width: 340px;
    max-height: min(70vh, 560px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.prog-nav-head {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 16px;
    background: #e8f2fb;
    color: #12305c;
    font-weight: 700;
    font-size: 0.9rem;
    border-bottom: 1px solid #9cc3e6;
}

.prog-nav-top {
    font-weight: 600;
    white-space: nowrap;
}

.prog-nav-panel ul {
    list-style: none;
    margin: 0;
    padding: 6px 0;
}

.prog-nav-panel li a {
    display: block;
    padding: 12px 16px;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.35;
}

.prog-nav-panel li + li a {
    border-top: 1px solid var(--color-border);
}

.prog-nav-panel li a:hover,
.prog-nav-panel li a:active {
    background: var(--color-bg-soft);
    color: var(--color-primary-dark);
    text-decoration: none;
}

@media (max-width: 720px) {
    .prog-nav {
        right: 16px;
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    }

    .prog-nav-btn {
        min-height: 48px;
        padding: 0 18px;
    }

    .prog-nav-panel {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: calc(76px + env(safe-area-inset-bottom, 0px));
        width: auto;
        max-height: 65vh;
    }

    .prog-nav-panel li a {
        padding: 14px 16px;
        font-size: 1rem;
    }
}