/* okurairi.com — お蔵入り Archive */
/* Palette: vault dark / parchment / archive gold / shelf brown / nature sage / pressed rose / warm umber */

:root {
    --vault-dark: #1A1818;
    --parchment: #E8DCC0;
    --archive-gold: #C8A040;
    --shelf-brown: #8A7A68;
    --nature-sage: #6A8A60;
    --pressed-rose: #C87878;
    --warm-umber: #5A4A38;

    --font-humanist: 'Atkinson Hyperlegible', 'Inter', system-ui, sans-serif;
    --font-jp: 'Noto Serif JP', 'Lora', serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow: hidden;
    background: var(--vault-dark);
    color: var(--parchment);
    font-family: var(--font-humanist);
    font-weight: 400;
    line-height: 1.85;
    font-size: clamp(15px, 1vw, 17px);
    -webkit-font-smoothing: antialiased;
}

body {
    position: relative;
    overscroll-behavior: none;
}

/* ========== TOP SCROLL INDICATOR ========== */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 36px;
    background: linear-gradient(to bottom, rgba(26, 24, 24, 0.92), rgba(26, 24, 24, 0.4));
    border-bottom: 1px solid rgba(200, 160, 64, 0.18);
    pointer-events: none;
}

.scroll-indicator-label {
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--archive-gold);
    font-weight: 700;
    flex-shrink: 0;
}

.scroll-indicator-track {
    flex: 1;
    height: 1px;
    background: rgba(200, 160, 64, 0.22);
    position: relative;
    overflow: hidden;
}

.scroll-indicator-fill {
    position: absolute;
    top: -1px;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(to right, var(--archive-gold), var(--pressed-rose));
    transition: width 220ms cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 0 12px rgba(200, 160, 64, 0.45);
}

.scroll-indicator-counter {
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--shelf-brown);
    font-weight: 700;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

/* ========== HORIZONTAL SCROLL STAGE ========== */
.archive-stage {
    width: 100vw;
    height: 100vh;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    display: flex;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.archive-stage::-webkit-scrollbar {
    height: 6px;
}
.archive-stage::-webkit-scrollbar-track {
    background: rgba(26, 24, 24, 0.6);
}
.archive-stage::-webkit-scrollbar-thumb {
    background: rgba(200, 160, 64, 0.35);
    border-radius: 0;
}

.panel {
    flex: 0 0 100vw;
    width: 100vw;
    height: 100vh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    position: relative;
    overflow: hidden;
    padding: 80px 8vw 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Panel corner labels */
.panel-corner-mark {
    position: absolute;
    font-size: 10px;
    letter-spacing: 0.22em;
    color: var(--shelf-brown);
    text-transform: uppercase;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.panel-corner-mark.top-left { top: 72px; left: 36px; }
.panel-corner-mark.top-right { top: 72px; right: 36px; }
.panel-corner-mark.bottom-left { bottom: 36px; left: 36px; }
.panel-corner-mark.bottom-right { bottom: 36px; right: 36px; }

.panel-archive .panel-corner-mark.bottom-left,
.panel-archive .panel-corner-mark.top-left { color: var(--archive-gold); }

/* ========== PANEL 1: VAULT DOOR ========== */
.panel-vault {
    background:
        radial-gradient(ellipse at center, rgba(58, 42, 26, 0.4) 0%, transparent 70%),
        var(--vault-dark);
}

.panel-vault::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg,
            transparent 0,
            transparent 2px,
            rgba(232, 220, 192, 0.012) 2px,
            rgba(232, 220, 192, 0.012) 3px);
    pointer-events: none;
}

.vault-door-wrap {
    position: relative;
    width: min(72vmin, 600px);
    height: min(72vmin, 600px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.vault-door {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.vault-door .ring {
    transform-origin: 300px 300px;
    transform: scale(0);
    transition: transform 1500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.vault-door.drawn .ring-inner { transform: scale(1); transition-delay: 200ms; }
.vault-door.drawn .ring-4 { transform: scale(1); transition-delay: 400ms; }
.vault-door.drawn .ring-3 { transform: scale(1); transition-delay: 600ms; }
.vault-door.drawn .ring-2 { transform: scale(1); transition-delay: 800ms; }
.vault-door.drawn .ring-outer { transform: scale(1); transition-delay: 1000ms; }

.vault-door .vault-compass circle,
.vault-door .vault-radials line,
.vault-door .vault-center * {
    opacity: 0;
    transition: opacity 600ms ease;
}
.vault-door.drawn .vault-compass circle,
.vault-door.drawn .vault-radials line,
.vault-door.drawn .vault-center * {
    opacity: 1;
    transition-delay: 1200ms;
}

.vault-text {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 12%;
}

.domain-title {
    font-family: var(--font-humanist);
    font-weight: 700;
    font-size: clamp(28px, 3.5vw, 52px);
    color: var(--parchment);
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 800ms ease 1300ms, transform 800ms ease 1300ms;
}

.domain-jp {
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: clamp(36px, 5vw, 72px);
    color: var(--archive-gold);
    letter-spacing: 0.08em;
    line-height: 1;
    margin-bottom: 28px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 800ms ease 1500ms, transform 800ms ease 1500ms;
}

.domain-meta {
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--shelf-brown);
    text-transform: uppercase;
    font-weight: 700;
    opacity: 0;
    transition: opacity 800ms ease 1800ms;
}

.vault-door-wrap.entered .domain-title,
.vault-door-wrap.entered .domain-jp {
    opacity: 1;
    transform: translateY(0);
}
.vault-door-wrap.entered .domain-meta { opacity: 1; }

/* Pressed botanicals at corners */
.botanical {
    position: absolute;
    width: 140px;
    height: 140px;
    opacity: 0;
    transition: opacity 1200ms ease 1700ms;
}
.botanical-tl { top: 88px; left: 56px; }
.botanical-tr { top: 88px; right: 56px; transform: scaleX(1); }
.botanical-bl { bottom: 56px; left: 56px; }
.botanical-br { bottom: 56px; right: 56px; }

.panel-vault.botanicals-in .botanical { opacity: 0.85; }

/* Scroll hint */
.scroll-hint {
    position: absolute;
    bottom: 84px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--archive-gold);
    text-transform: uppercase;
    font-weight: 700;
    opacity: 0;
    transition: opacity 800ms ease 2200ms;
}

.scroll-hint-arrow {
    font-size: 16px;
    animation: scroll-arrow 1800ms cubic-bezier(0.4, 0, 0.6, 1) infinite;
    display: inline-block;
}

.scroll-hint.visible { opacity: 1; }
.scroll-hint.hidden { opacity: 0 !important; }

@keyframes scroll-arrow {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(8px); }
}

/* ========== ARCHIVE PANELS ========== */
.panel-archive {
    background:
        linear-gradient(135deg, var(--vault-dark) 0%, #221F1C 50%, var(--vault-dark) 100%);
}

.panel-archive::before {
    content: "";
    position: absolute;
    inset: 64px 36px 64px;
    border: 1px solid rgba(200, 160, 64, 0.14);
    pointer-events: none;
}

.archive-card {
    width: min(1100px, 92vw);
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: clamp(36px, 5vw, 80px);
    align-items: center;
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
                transform 800ms cubic-bezier(0.22, 1, 0.36, 1);
}

.archive-card-reverse {
    grid-template-columns: 1.3fr 1fr;
    transform: translateX(-60px);
}

.panel.in-view .archive-card {
    opacity: 1;
    transform: translateX(0);
}

.archive-card-spec {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 36px;
    background: rgba(232, 220, 192, 0.025);
    border: 1px solid rgba(200, 160, 64, 0.18);
    position: relative;
    aspect-ratio: 0.85;
}

.archive-card-spec::before,
.archive-card-spec::after {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    border: 1px solid var(--archive-gold);
}
.archive-card-spec::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.archive-card-spec::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.specimen {
    width: 100%;
    height: 100%;
    max-width: 240px;
}

/* Subtle drift animation when in view */
.panel.in-view .specimen {
    animation: specimen-drift 9s ease-in-out infinite alternate;
}

@keyframes specimen-drift {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-6px) rotate(0.6deg); }
}

.archive-card-body {
    padding: 12px 0;
}

.archive-tag {
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--pressed-rose);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 18px;
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid rgba(200, 120, 120, 0.4);
}

.archive-title {
    font-family: var(--font-humanist);
    font-weight: 700;
    font-size: clamp(32px, 3.8vw, 56px);
    color: var(--parchment);
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
}

.archive-subtitle {
    font-family: var(--font-jp);
    font-weight: 400;
    font-size: clamp(15px, 1.2vw, 19px);
    color: var(--archive-gold);
    margin-bottom: 28px;
    letter-spacing: 0.02em;
    font-style: italic;
}

.archive-desc {
    color: var(--parchment);
    opacity: 0.85;
    margin-bottom: 32px;
    max-width: 56ch;
}

.archive-meta {
    list-style: none;
    border-top: 1px solid rgba(200, 160, 64, 0.18);
    padding-top: 18px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 36px;
}

.archive-meta li {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.meta-key {
    font-size: 10px;
    letter-spacing: 0.22em;
    color: var(--shelf-brown);
    text-transform: uppercase;
    font-weight: 700;
}

.meta-val {
    font-size: 14px;
    color: var(--parchment);
    font-family: var(--font-humanist);
}

/* ========== PANEL 6: CLOSING ========== */
.panel-closing {
    background:
        radial-gradient(ellipse at center, rgba(90, 74, 56, 0.3) 0%, transparent 70%),
        var(--vault-dark);
}

.closing-stack {
    width: min(640px, 88vw);
    text-align: center;
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 900ms ease, transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.panel.in-view .closing-stack {
    opacity: 1;
    transform: translateY(0);
}

.closing-seal {
    width: 160px;
    height: 160px;
    margin: 0 auto 36px;
}

.closing-seal svg {
    width: 100%;
    height: 100%;
    animation: seal-rotate 60s linear infinite;
    transform-origin: center;
}

@keyframes seal-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.closing-title {
    font-family: var(--font-jp);
    font-weight: 500;
    font-size: clamp(36px, 4.5vw, 60px);
    color: var(--archive-gold);
    margin-bottom: 14px;
    letter-spacing: 0.06em;
}

.closing-subtitle {
    font-family: var(--font-humanist);
    font-weight: 400;
    font-size: 14px;
    color: var(--shelf-brown);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.closing-body {
    color: var(--parchment);
    opacity: 0.82;
    margin-bottom: 36px;
    max-width: 50ch;
    margin-left: auto;
    margin-right: auto;
}

.closing-meta {
    font-size: 10px;
    letter-spacing: 0.28em;
    color: var(--warm-umber);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 36px;
}

.closing-button {
    background: transparent;
    border: 1px solid var(--archive-gold);
    color: var(--archive-gold);
    font-family: var(--font-humanist);
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    padding: 14px 28px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: background 320ms ease, color 320ms ease, gap 320ms ease;
}

.closing-button:hover {
    background: var(--archive-gold);
    color: var(--vault-dark);
    gap: 18px;
}

.closing-button-arrow {
    font-size: 14px;
}

/* ========== BOTTOM PANEL NAV ========== */
.panel-nav {
    position: fixed;
    bottom: 26px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 40;
    display: flex;
    gap: 14px;
    padding: 10px 18px;
    background: rgba(26, 24, 24, 0.7);
    border: 1px solid rgba(200, 160, 64, 0.18);
}

.nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid var(--shelf-brown);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background 260ms ease, border-color 260ms ease, transform 260ms ease;
}

.nav-dot:hover {
    border-color: var(--archive-gold);
    transform: scale(1.2);
}

.nav-dot.active {
    background: var(--archive-gold);
    border-color: var(--archive-gold);
    transform: scale(1.25);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 880px) {
    .panel { padding: 90px 6vw 90px; }
    .archive-card,
    .archive-card-reverse {
        grid-template-columns: 1fr;
        gap: 28px;
        max-height: calc(100vh - 200px);
    }
    .archive-card-reverse > .archive-card-body { order: 2; }
    .archive-card-reverse > .archive-card-spec { order: 1; }
    .archive-card-spec {
        max-width: 240px;
        margin: 0 auto;
        aspect-ratio: 0.85;
    }
    .archive-meta {
        grid-template-columns: 1fr 1fr;
        gap: 10px 20px;
    }
    .botanical { width: 90px; height: 90px; }
    .botanical-tl, .botanical-tr { top: 72px; }
    .botanical-tl, .botanical-bl { left: 28px; }
    .botanical-tr, .botanical-br { right: 28px; }
    .panel-corner-mark.top-left, .panel-corner-mark.top-right { top: 70px; }
    .panel-corner-mark.top-left, .panel-corner-mark.bottom-left { left: 24px; }
    .panel-corner-mark.top-right, .panel-corner-mark.bottom-right { right: 24px; }
    .panel-corner-mark.bottom-left, .panel-corner-mark.bottom-right { bottom: 60px; }
    .scroll-indicator { padding: 0 24px; gap: 16px; }
    .scroll-indicator-label { font-size: 10px; }
    .scroll-indicator-counter { font-size: 10px; }
    .archive-title { font-size: clamp(26px, 5vw, 36px); }
}