:root {
    --bg: #111111;
    --deep: #0A0A0A;
    --panel: #1A1A1A;
    --panel-warm: #1F1B14;
    --title: #FFF6D6;
    --text: #E8D9A8;
    --muted: #B8A56A;
    --soft: #8A7A48;
    --yellow: #F5C518;
    --bright: #FFD84A;
    --amber: #C49212;
    --footer: #050505;
    --footer-text: #DCCB8A;
    --line: rgba(245, 197, 24, .28);
    --radius: 12px;
    --max: 1120px;
}
* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.7; overflow-x: hidden; }
body.no-scroll { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a, button, input { -webkit-tap-highlight-color: transparent; }
button, input { font: inherit; }
button { border: 0; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 2000; padding: 9px 12px; background: var(--bright); color: #111; border-radius: 8px; }
.skip-link:focus { top: 8px; }
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 900; }
.header-shell, .content-shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.curtain-bar { height: 22px; background: #090909; color: var(--bright); font-size: 12px; border-bottom: 1px solid rgba(245,197,24,.18); }
.curtain-inner { height: 22px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.text-control { min-width: 44px; min-height: 44px; margin: -11px 0; padding: 0 4px; background: transparent; color: var(--bright); cursor: pointer; }
.marquee-bar { height: 60px; background: #0D0D0D; border-bottom: 1px solid var(--yellow); }
.marquee-inner { height: 60px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px; }
.brand-link { justify-self: start; display: inline-flex; min-height: 44px; align-items: center; max-width: 220px; }
.brand-logo, .footer-logo, .drawer-logo { height: 28px; width: auto; max-width: 180px; object-fit: contain; object-position: left center; }
.brand-text { color: var(--title); font-weight: 800; font-size: 16px; letter-spacing: .08em; }
.box-menu-button, .entry-link { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; border-radius: 10px; cursor: pointer; }
.box-menu-button { min-width: 72px; padding: 0 18px; color: #111; background: linear-gradient(135deg, var(--bright), var(--yellow)); font-weight: 800; }
.entry-link { justify-self: end; min-width: 88px; padding: 0 12px; color: var(--title); border: 1px solid var(--yellow); background: #111; }
.lamp-nav { height: 40px; background: #241B0B; border-bottom: 1px solid rgba(245,197,24,.2); }
.lamp-inner { height: 40px; display: flex; align-items: stretch; justify-content: center; gap: 8px; }
.lamp-inner a { min-width: 110px; display: inline-flex; justify-content: center; align-items: center; padding: 0 18px; font-size: 13px; color: var(--text); }
.lamp-inner a:hover, .lamp-inner a:focus-visible, .lamp-inner a.is-current { background: var(--bright); color: #111; outline: none; }
.site-main { min-height: 70vh; padding-top: 122px; padding-bottom: 56px; }
.hero-shell { width: min(calc(100% - 32px), var(--max)); margin: 28px auto 0; }
.page-hero { padding: 30px 0 22px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 6px; color: var(--bright); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
h1, h2, h3 { color: var(--title); margin-top: 0; font-weight: 800; }
h1 { margin-bottom: 12px; font-size: 24px; line-height: 1.3; }
h2 { margin-bottom: 12px; font-size: 20px; line-height: 1.4; }
h3 { margin-bottom: 8px; font-size: 16px; line-height: 1.45; }
p { margin: 0 0 14px; }
.lead { max-width: 860px; color: var(--text); }
.meta-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.meta-strip span { padding: 5px 9px; border: 1px solid var(--line); color: var(--muted); background: #15120E; border-radius: 999px; font-size: 13px; }
.section-block { margin-top: 26px; padding: 24px; background: var(--panel); border: 1px solid rgba(232,217,168,.08); border-radius: var(--radius); }
.section-block.warm { background: var(--panel-warm); }
.section-block > :last-child { margin-bottom: 0; }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { min-width: 0; padding: 18px; background: var(--panel); border: 1px solid rgba(232,217,168,.1); border-radius: var(--radius); }
.card p:last-child { margin-bottom: 0; }
.card-kicker { display: block; margin-bottom: 6px; color: var(--bright); font-size: 12px; letter-spacing: .08em; }
.card-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; color: var(--bright); font-weight: 700; }
.media-slot { width: 100%; display: flex; align-items: center; justify-content: center; background: #0B0B0B; border: 1px solid rgba(245,197,24,.14); border-radius: var(--radius); overflow: hidden; }
.media-slot img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.slot-180 { height: 180px; }
.slot-200 { height: 200px; }
.slot-260 { height: 260px; }
.slot-app { height: min(360px, 72vw); }
.hero-copy { padding: 18px 0 0; max-width: 900px; }
.hero-copy .brand-line { margin-bottom: 4px; color: var(--muted); font-size: 14px; font-weight: 700; }
.hero-copy .slogan { color: var(--title); font-size: 22px; line-height: 1.35; font-weight: 800; }
.action-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.button-primary, .button-secondary { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 0 16px; border-radius: 10px; font-size: 14px; font-weight: 800; }
.button-primary { color: #111; background: linear-gradient(135deg, var(--bright), var(--yellow)); }
.button-secondary { color: var(--title); background: #111; border: 1px solid var(--yellow); }
.button-primary:hover, .button-primary:focus-visible { filter: brightness(1.05); outline: 2px solid var(--title); outline-offset: 2px; }
.button-secondary:hover, .button-secondary:focus-visible { background: #1A160B; outline: 2px solid var(--bright); outline-offset: 2px; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.section-heading-row p { margin: 0; color: var(--muted); font-size: 13px; }
.feature-split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 20px; align-items: stretch; }
.feature-copy { padding: 22px; background: var(--panel); border-radius: var(--radius); border: 1px solid rgba(232,217,168,.08); }
.index-number-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 16px; }
.index-number-list a { min-height: 78px; padding: 12px; display: flex; flex-direction: column; justify-content: center; background: #15120D; border: 1px solid var(--line); border-radius: 10px; }
.index-number-list strong { color: var(--bright); }
.task-list, .gallery-list, .plain-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.task-list li, .gallery-list li, .plain-list li { padding: 14px 16px; background: #151515; border-left: 3px solid var(--amber); border-radius: 8px; }
.numbered-list { display: grid; gap: 14px; }
.numbered-item { display: grid; grid-template-columns: 64px 1fr; gap: 18px; padding: 18px; background: var(--panel); border: 1px solid rgba(232,217,168,.08); border-radius: var(--radius); }
.numbered-item .number { color: var(--bright); font-size: 20px; font-weight: 900; letter-spacing: .04em; }
.registry-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.registry-card { padding: 18px; background: var(--panel); border: 1px solid rgba(232,217,168,.09); border-radius: var(--radius); }
.registry-card .registry-id { color: var(--bright); font-weight: 900; }
.registry-card dl { display: grid; grid-template-columns: 72px 1fr; gap: 6px 10px; margin: 12px 0 0; }
.registry-card dt { color: var(--muted); }
.registry-card dd { margin: 0; }
.course-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.course-card { padding: 20px; background: var(--panel-warm); border-radius: var(--radius); border: 1px solid rgba(245,197,24,.15); }
.timeline { position: relative; display: grid; gap: 0; }
.timeline::before { content: ""; position: absolute; left: 14px; top: 12px; bottom: 12px; width: 1px; background: var(--line); }
.timeline-item { position: relative; padding: 0 0 22px 44px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot { position: absolute; left: 8px; top: 7px; width: 13px; height: 13px; border-radius: 50%; background: var(--bright); box-shadow: 0 0 0 5px #111; }
.status { display: inline-flex; min-height: 28px; align-items: center; margin-bottom: 8px; padding: 0 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--bright); font-size: 12px; }
.note-card { padding: 20px; background: #151515; border-left: 3px solid var(--yellow); border-radius: 8px; }
.note-card + .note-card { margin-top: 12px; }
.policy-section { padding: 20px 0; border-bottom: 1px solid rgba(232,217,168,.1); }
.policy-section:last-child { border-bottom: 0; }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 18px; background: var(--panel); border: 1px solid rgba(232,217,168,.08); border-radius: var(--radius); }
.faq-item h2 { font-size: 16px; }
.notice { padding: 14px 16px; background: #211A09; color: var(--title); border: 1px solid var(--line); border-radius: 10px; }
.app-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 22px; align-items: center; }
.icon-row { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; }
.app-icon-slot { width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; background: #0B0B0B; border: 1px solid var(--line); border-radius: 14px; }
.app-icon-slot img { width: 48px; height: 48px; object-fit: contain; }
.site-footer { padding: 34px 0 calc(28px + env(safe-area-inset-bottom)); background: var(--footer); color: var(--footer-text); border-top: 1px solid var(--yellow); }
.footer-brand-row { display: grid; grid-template-columns: 1fr 1.5fr; gap: 24px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand strong { display: block; color: var(--title); font-size: 16px; }
.footer-brand span { display: block; color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.footer-brand-row p { margin: 0; font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 26px; }
.footer-grid section { min-width: 0; }
.footer-grid h2 { font-size: 14px; color: var(--bright); margin-bottom: 8px; }
.footer-grid a { min-height: 32px; display: flex; align-items: center; font-size: 13px; color: var(--footer-text); }
.footer-grid a:hover, .footer-grid a:focus-visible, .footer-bottom a:hover, .footer-bottom a:focus-visible { color: var(--bright); outline: none; text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; margin-top: 26px; padding-top: 18px; border-top: 1px solid rgba(245,197,24,.18); font-size: 13px; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 14px; }
.screen-overlay { position: fixed; inset: 0; z-index: 1040; background: rgba(0,0,0,.66); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s ease, visibility .2s ease; }
.screen-overlay.is-active { opacity: 1; visibility: visible; pointer-events: auto; }
.drawer-panel { position: fixed; z-index: 1060; top: 0; right: 0; width: min(400px, 86vw); height: 100dvh; background: #0C0C0C; border-left: 1px solid var(--yellow); transform: translateX(102%); visibility: hidden; pointer-events: none; transition: transform .22s ease, visibility .22s ease; }
.drawer-panel.is-open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.drawer-head { height: 72px; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(245,197,24,.2); }
.drawer-brand { display: flex; align-items: center; gap: 10px; }
.drawer-brand strong { display: block; color: var(--title); font-size: 15px; }
.drawer-brand span { display: block; color: var(--muted); font-size: 11px; }
.close-button { min-width: 54px; min-height: 44px; padding: 0 10px; border-radius: 9px; cursor: pointer; color: var(--title); background: #151515; border: 1px solid var(--line); }
.close-button:hover, .close-button:focus-visible { outline: 2px solid var(--bright); outline-offset: 2px; }
.drawer-scroll { height: calc(100dvh - 72px); overflow-y: auto; padding: 12px 16px 28px; overscroll-behavior: contain; }
.drawer-group { padding: 12px 0 6px; }
.drawer-group h2 { margin-bottom: 7px; color: var(--bright); font-size: 13px; letter-spacing: .08em; }
.drawer-group a { display: block; min-height: 56px; padding: 9px 10px; border-radius: 9px; }
.drawer-group a:hover, .drawer-group a:focus-visible { background: #18150D; outline: 1px solid var(--line); }
.drawer-group strong { display: block; color: var(--title); font-size: 14px; }
.drawer-group span { display: block; color: var(--muted); font-size: 12px; line-height: 1.5; }
.search-layer { position: fixed; z-index: 1050; top: 82px; left: 0; right: 0; padding: 22px 16px; background: #0A0A0A; border-bottom: 1px solid var(--yellow); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-10px); transition: opacity .18s ease, transform .18s ease, visibility .18s ease; }
.search-layer.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.search-box { width: min(760px, 100%); margin: 0 auto; }
.search-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 12px; }
.search-head strong { color: var(--title); font-size: 16px; }
.search-box label { display: block; margin-bottom: 7px; color: var(--bright); font-size: 13px; }
.search-box input { width: 100%; height: 44px; padding: 0 12px; background: #151515; color: var(--title); border: 1px solid var(--line); border-radius: 9px; outline: none; }
.search-box input:focus { border-color: var(--bright); box-shadow: 0 0 0 2px rgba(255,216,74,.15); }
.assist-text { margin: 7px 0 12px; color: var(--muted); font-size: 12px; }
.search-presets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.search-presets a { min-height: 44px; display: flex; align-items: center; padding: 0 12px; background: #16130B; border: 1px solid var(--line); border-radius: 9px; color: var(--title); }
.search-presets a:hover, .search-presets a:focus-visible { background: var(--bright); color: #111; outline: none; }
.mobile-bottom { display: none; }

@media (max-width: 820px) {
    .content-grid { grid-template-columns: 1fr; }
    .feature-split, .app-layout { grid-template-columns: 1fr; }
    .index-number-list { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-brand-row { grid-template-columns: 1fr; }
    .registry-grid, .course-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    body { padding-bottom: calc(48px + env(safe-area-inset-bottom)); }
    .header-shell, .content-shell, .hero-shell { width: calc(100% - 32px); }
    .lamp-nav { display: none; }
    .site-main { padding-top: 82px; padding-bottom: 42px; }
    .marquee-inner { grid-template-columns: minmax(0,1fr) auto auto; gap: 8px; }
    .brand-link { max-width: 124px; overflow: hidden; }
    .brand-logo { max-width: 120px; }
    .brand-text { font-size: 15px; white-space: nowrap; }
    .box-menu-button { min-width: 64px; padding: 0 12px; }
    .entry-link { min-width: 64px; padding: 0 9px; white-space: nowrap; }
    .page-hero { padding-top: 24px; }
    .section-block { padding: 18px; }
    .slot-260 { height: 220px; }
    .numbered-item { grid-template-columns: 48px 1fr; gap: 12px; padding: 16px; }
    .search-layer { inset: 0; top: 0; padding: max(18px, env(safe-area-inset-top)) 16px 18px; overflow-y: auto; }
    .search-box { padding-top: 8px; }
    .search-presets { grid-template-columns: 1fr 1fr; }
    .mobile-bottom { position: fixed; z-index: 930; left: 0; right: 0; bottom: 0; height: calc(48px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); display: grid; grid-template-columns: repeat(5, 1fr); background: #080808; border-top: 1px solid var(--yellow); }
    .mobile-bottom a { min-width: 0; min-height: 48px; display: flex; align-items: center; justify-content: center; color: var(--text); font-size: 13px; }
    .mobile-bottom a.is-current { background: var(--bright); color: #111; font-weight: 800; }
    .site-footer { padding-bottom: 28px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .footer-bottom { flex-direction: column; }
}

@media (max-width: 420px) {
    .search-presets, .index-number-list { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .section-heading-row { display: block; }
    .section-heading-row p { margin-top: 4px; }
}