:root {
    /* Colors */
    --color-primary: #0f172a;
    --color-secondary: #db2777;
    --color-brand: #025747;
    --glass-bg: rgba(255, 255, 255, 0.55);
    --bg-body: #f8fafc;

    /* Logo / animation vars */
    --bg-color: var(--bg-body);
    --text-primary: var(--color-primary);
    --accent-pink: var(--color-secondary);
    --accent-gradient: linear-gradient(135deg, #ff8fbe 0%, #ef5a98 100%);
    --stroke-color: var(--color-primary);
    --ease-cinematic: cubic-bezier(0.19, 1, 0.22, 1);
    --anim-duration: 1.2s;
}

/* Loading logo screen */
.logo-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 1.5s cubic-bezier(0.19, 1, 0.22, 1);
}
.logo-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.stage {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    will-change: transform, opacity;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}
.icon-container {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.logo-loader .tv-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
    transform: rotate(-5deg);
    animation: icon-float 6s ease-in-out infinite;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    shape-rendering: geometricPrecision;
}
.tv-stroke {
    fill: transparent;
    stroke: var(--stroke-color);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    animation: draw-line 5s var(--ease-cinematic) forwards 0.3s;
    will-change: stroke-dashoffset;
    shape-rendering: geometricPrecision;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.tv-fill {
    fill: #ffffff;
    opacity: 0;
    animation: fill-fade-in 0.5s ease-out forwards 0.9s;
}
.play-icon {
    transform-origin: center;
    fill: var(--accent-pink);
    stroke: var(--accent-pink);
    stroke-width: 5px;
    stroke-linejoin: round;
    opacity: 0;
    transform: scale(0.5);
    animation: pop-in 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards 1.3s;
}

.text-wrapper {
    display: flex;
    align-items: baseline;
    gap: 0.8rem;
    font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
}
.char-mask {
    overflow: hidden;
    position: relative;
    display: block;
    padding-bottom: 0.2em;
}
.char,
.word {
    display: block;
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1;
    color: var(--text-primary);
    transform: translateY(110%);
    opacity: 0;
    animation: text-reveal 1s var(--ease-cinematic) forwards;
}
.char-y {
    animation-delay: 2.1s;
}
.char-u {
    animation-delay: 2.1s;
    color: var(--accent-pink);
}
.word-studio {
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--stroke-color);
    animation-delay: 2.1s;
}

/* Keyframes (logo) */
@keyframes draw-line {
    to {
    stroke-dashoffset: 0;
    }
}
@keyframes fill-fade-in {
    to {
    opacity: 1;
    }
}
@keyframes text-reveal {
    0% {
    transform: translateY(110%) skewY(5deg);
    opacity: 0;
    }
    100% {
    transform: translateY(0) skewY(0);
    opacity: 1;
    }
}
@keyframes pop-in {
    0% {
    opacity: 0;
    transform: scale(0);
    }
    100% {
    opacity: 1;
    transform: scale(1);
    }
}
@keyframes icon-float {
    0%,
    100% {
    transform: rotate(-5deg) translateY(0);
    }
    50% {
    transform: rotate(-5deg) translateY(-5px);
    }
}
.logo-exit {
    animation: logo-exit-anim 1.5s var(--ease-cinematic) forwards;
}
@keyframes logo-exit-anim {
    to {
    opacity: 0;
    transform: scale(1.1);
    filter: blur(10px);
    }
}

/* Loading indicator */
.loading-indicator {
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease-out;
    z-index: 10;
    visibility: hidden;
}
.loading-indicator.visible {
    opacity: 1;
    visibility: visible;
}
.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    min-width: 280px;
}
.film-progress-container {
    width: 100%;
    max-width: 320px;
}
.film-progress-bar {
    position: relative;
    width: 100%;
    height: 8px;
    background: linear-gradient(
    to right,
    rgba(15, 23, 42, 0.1) 0%,
    rgba(15, 23, 42, 0.15) 50%,
    rgba(15, 23, 42, 0.1) 100%
    );
    border-radius: 4px;
    overflow: hidden;
    box-shadow:
    inset 0 1px 2px rgba(0, 0, 0, 0.1),
    0 1px 0 rgba(255, 255, 255, 0.1);
}
.film-progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-secondary) 0%, #ff6ba8 50%, var(--color-secondary) 100%);
    background-size: 200% 100%;
    border-radius: 4px;
    transition: width 0.3s ease-out;
    animation: progress-shine 2s ease-in-out infinite;
    box-shadow:
    0 0 10px rgba(219, 39, 119, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
@keyframes progress-shine {
    0%,
    100% {
    background-position: 0% 0%;
    }
    50% {
    background-position: 100% 0%;
    }
}
.film-perforations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(
    to right,
    transparent 0px,
    transparent 8px,
    rgba(15, 23, 42, 0.15) 8px,
    rgba(15, 23, 42, 0.15) 10px,
    transparent 10px,
    transparent 18px
    );
    pointer-events: none;
    opacity: 0.6;
}
.loading-percentage {
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}
.percent-number {
    font-size: 2.5rem;
    line-height: 1;
    color: var(--color-secondary);
    text-shadow: 0 2px 4px rgba(219, 39, 119, 0.2);
    transition: all 0.3s ease-out;
}
.percent-symbol {
    font-size: 1.5rem;
    opacity: 0.7;
}
.loading-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(15, 23, 42, 0.6);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: loading-pulse 2s ease-in-out infinite;
}
@keyframes loading-pulse {
    0%,
    100% {
    opacity: 0.6;
    }
    50% {
    opacity: 1;
    }
}
@keyframes loading-fade-in {
    from {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
    }
    to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    }
}
.loading-indicator.visible {
    animation: loading-fade-in 0.6s ease-out forwards;
}

/* Base */
body {
    background-color: var(--bg-body);
    color: #334155;
    overflow-x: hidden;
}

/* Header logo component */
.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: opacity 0.3s ease;
}
.logo-link:hover {
    opacity: 0.8;
}
.icon-wrapper {
    width: 40px;
    height: 40px;
    position: relative;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 3px;
}

/* Responsive: Smaller logo on mobile */
@media (max-width: 767px) {
    .icon-wrapper {
        width: 32px;
        height: 32px;
        margin-top: 2px;
    }
}
.logo-link:hover .icon-wrapper {
    transform: rotate(-5deg) scale(1.05);
}
.logo-link .tv-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
    transform: rotate(0deg);
    animation: none;
}
.tv-body {
    fill: transparent;
    stroke: var(--stroke-color);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.tv-antenna {
    stroke: var(--stroke-color);
    stroke-width: 3;
    stroke-linecap: round;
}
.play-icon {
    fill: var(--accent-pink);
    stroke: var(--accent-pink);
    stroke-width: 4px;
    stroke-linejoin: round;
}
.logo-text {
    display: flex;
    align-items: baseline;
    line-height: 1;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

/* Responsive: Smaller logo text on mobile */
@media (max-width: 767px) {
    .logo-text {
        font-size: 1.2rem;
    }
    
    .logo-link {
        gap: 0.5rem;
        padding: 0.375rem;
    }
}
.text-yu {
    margin-right: 0.1rem;
}
.char-u {
    color: var(--accent-pink);
}
.text-studio {
    color: var(--stroke-color);
    margin-left: 0.4rem;
    letter-spacing: 0.08em;
}
header {
    animation: fade-down 0.8s ease-out forwards;
}
@keyframes fade-down {
    from {
    opacity: 0;
    transform: translateY(-10px);
    }
    to {
    opacity: 1;
    transform: translateY(0);
    }
}

/* Cinematic text reveal */
@keyframes tracking-in-expand {
    0% {
    letter-spacing: -0.5em;
    opacity: 0;
    }
    40% {
    opacity: 0.6;
    }
    100% {
    opacity: 1;
    }
}
.cinematic-text {
    animation: tracking-in-expand 1.2s cubic-bezier(0.215, 0.61, 0.355, 1) both;
}

/* Glass utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
}

/* Premium glass card */
.glass-card {
    position: relative;
    background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(2, 87, 71, 0.08) 0%, transparent 50%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.15) 100%);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.05),
    0 0 40px rgba(2, 87, 71, 0.06),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.4),
    inset 0 -1px 0 0 rgba(255, 255, 255, 0.15),
    inset 0 0 60px rgba(255, 255, 255, 0.1),
    0 0 0 0.5px rgba(2, 87, 71, 0.08);
    isolation: isolate;
}
.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 30%,
    transparent 70%,
    rgba(2, 87, 71, 0.05) 100%
    );
    pointer-events: none;
    z-index: 1;
}
.glass-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.25) 20%,
    rgba(255, 255, 255, 0.25) 80%,
    transparent 100%
    );
    pointer-events: none;
    z-index: 2;
}
.glass-card > * {
    position: relative;
    z-index: 3;
}
@supports not (backdrop-filter: blur(1px)) {
    .glass-card {
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.6) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(2, 87, 71, 0.12) 0%, transparent 50%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.3) 100%);
    }
}

/* Profile glass */
#profile .glass-panel {
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow:
    0 8px 32px 0 rgba(31, 38, 135, 0.15),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.9),
    0 0 0 1px rgba(255, 255, 255, 0.3) inset;
    position: relative;
}
#profile .glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8) 50%, transparent);
    pointer-events: none;
}

.glass-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Scroll animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 3rem;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-secondary);
    border-radius: 2px;
}

/* YouTube responsive wrapper */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    background-color: #000;
}
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Details */
details > summary {
    list-style: none;
}
details > summary::-webkit-details-marker {
    display: none;
}

/* Triangle diagram */
.triangle-path {
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    opacity: 0;
    transition: stroke-dashoffset 2s ease-out, opacity 0.5s ease;
}
.reveal.active .triangle-path {
    stroke-dashoffset: 0;
    opacity: 1;
}
.node-item {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    transform: scale(0);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 20;
}
.reveal.active .node-item {
    opacity: 1;
    transform: scale(1);
}
.center-label {
    position: absolute;
    left: 50%;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.9);
    transition: all 0.8s ease-out;
    pointer-events: none;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
    white-space: nowrap;
}
.reveal.active .center-label {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}
@keyframes float {
    0% {
    transform: translateY(0px);
    }
    50% {
    transform: translateY(-10px);
    }
    100% {
    transform: translateY(0px);
    }
}
.reveal.active .center-label .floating-content {
    animation: float 4s ease-in-out infinite;
    animation-delay: 2.5s;
}
.node-icon-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    background-color: #fff;
    border-radius: 9999px;
    border: 2px solid var(--color-secondary);
    color: var(--color-secondary);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.node-text-wrapper {
    position: absolute;
    top: 2.5rem;
    left: 0;
    transform: translateX(-50%);
    text-align: center;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid #f1f5f9;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    white-space: nowrap;
}
.reveal.active .node-item.node-1 {
    transition-delay: 0.2s;
}
.reveal.active .node-item.node-2 {
    transition-delay: 0.9s;
}
.reveal.active .node-item.node-3 {
    transition-delay: 1.6s;
}
.reveal.active .center-label {
    transition-delay: 2s;
}

.animation-delay-2000 {
    animation-delay: 2s;
}
.animation-delay-4000 {
    animation-delay: 4s;
}

/* Latest Work badge + video */
.latest-work-badge {
    position: absolute;
    top: -0.5rem;
    left: 1rem;
    z-index: 30;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 1.1rem;
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.08));
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow:
    0 10px 30px rgba(15, 23, 42, 0.18),
    0 0 0 1px rgba(219, 39, 119, 0.15);
    color: #0f172a;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    background 0.25s ease;
}
.latest-work-badge:hover {
    transform: translateY(-1px);
    box-shadow:
    0 16px 40px rgba(15, 23, 42, 0.25),
    0 0 0 1px rgba(219, 39, 119, 0.5);
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.1));
}
.latest-work-badge i {
    font-size: 0.8rem;
    color: var(--color-secondary);
    filter: drop-shadow(0 0 4px rgba(219, 39, 119, 0.25));
    animation: none;
}
.latest-work-badge span {
    color: rgba(15, 23, 42, 0.85);
}

@keyframes pulse-glow {
    0%,
    100% {
    opacity: 1;
    transform: scale(1);
    }
    50% {
    opacity: 0.8;
    transform: scale(1.1);
    }
}

@media (max-width: 1024px) {
    .latest-work-badge {
    top: -0.5rem;
    left: 0.75rem;
    padding: 0.4rem 1rem;
    font-size: 0.7rem;
    }
}
@media (max-width: 640px) {
    .latest-work-badge {
    top: -0.5rem;
    left: 0.5rem;
    padding: 0.375rem 0.875rem;
    font-size: 0.65rem;
    gap: 0.375rem;
    }
    .latest-work-badge i {
    font-size: 0.7rem;
    }
}

.latest-work-container {
    position: relative;
    width: 100%;
    padding-top: 1rem;
}
@media (max-width: 640px) {
    .latest-work-container {
    padding-top: 0.75rem;
    }
}
.latest-work-video-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.15),
    0 8px 24px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.latest-work-video-wrapper:hover {
    transform: translateY(-4px);
    box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.2),
    0 12px 32px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.15);
}
.latest-work-video-wrapper .video-container {
    border-radius: 1rem;
    overflow: hidden;
    background: #000;
}
.latest-work-decoration {
    position: absolute;
    bottom: -2.5rem;
    right: -2.5rem;
    width: 10rem;
    height: 10rem;
    background: radial-gradient(circle, rgba(219, 39, 119, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    z-index: -1;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}
@media (max-width: 768px) {
    .latest-work-decoration {
    width: 6rem;
    height: 6rem;
    bottom: -1.5rem;
    right: -1.5rem;
    }
}

/* Past work tag */
.past-tag {
    width: fit-content;
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: rgba(15, 23, 42, 0.55);
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(15, 23, 42, 0.1);
    border-radius: 9999px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.04),
    inset 0 1px 1px rgba(255, 255, 255, 0.6);
    transition: all 0.2s ease;
}
.past-tag:hover {
    background: rgba(255, 255, 255, 0.75);
    border-color: rgba(15, 23, 42, 0.15);
}

/* Mobile menu icon & panel */
.menu-icon {
    transition:
    opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
#mobile-menu {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border-top: 1px solid rgba(0, 0, 0, 0.05) !important;
    box-shadow: none !important;
}
#mobile-menu a {
    transition: background-color 0.2s ease;
}
#mobile-menu a:hover {
    background-color: rgba(0, 0, 0, 0.03) !important;
}

/* Role separator (director / creator) */
@media (min-width: 480px) {
    .role-separator {
    display: inline;
    }
    .role-break {
    display: none;
    }
}
@media (max-width: 479px) {
    .role-separator {
    display: none;
    }
    .role-break {
    display: block;
    }
}