@media (max-width: 1080px) {
    .main-nav {
        position: fixed;
        inset: 77px 0 auto;
        max-height: calc(100vh - 77px);
        padding: 18px 20px 26px;
        display: none;
        grid-template-columns: repeat(3, 1fr);
        overflow-y: auto;
        background: #07111f;
        border-bottom: 1px solid var(--line);
    }
    .nav-open .main-nav {
        display: grid;
    }
    .nav-link {
        justify-content: center;
    }
    .menu-toggle {
        display: grid;
    }
    .header-search {
        display: none;
    }
    .hero {
        grid-template-columns: 1fr;
    }
    .hero-copy {
        padding: 48px;
    }
    .hero-visual {
        min-height: 440px;
    }
    .hero-visual::after {
        background: linear-gradient(0deg, rgba(7,17,31,.7), transparent 50%);
    }
    .latest-rail {
        grid-template-columns: repeat(3, 1fr);
    }
    .latest-rail .video-card:nth-child(n+4) {
        display: none;
    }
    .grid-four {
        grid-template-columns: repeat(2, 1fr);
    }
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .anime-copy {
        align-items: flex-start;
        flex-direction: column;
    }
    .anime-copy .button {
        margin-left: 0;
    }
    .footer-grid {
        grid-template-columns: 1.5fr repeat(2, 1fr);
    }
    .footer-grid > div:last-child {
        grid-column: 1 / -1;
    }
}
@media (max-width: 760px) {
    .shell {
        width: min(calc(100% - 28px), var(--max));
    }
    .header-inner {
        min-height: 68px;
    }
    .brand img {
        width: 148px;
    }
    .main-nav {
        top: 69px;
        grid-template-columns: repeat(2, 1fr);
    }
    .hero {
        margin-top: 18px;
        min-height: auto;
        border-radius: 22px;
    }
    .hero-copy {
        padding: 32px 24px;
    }
    .hero h1 {
        font-size: 52px;
    }
    .hero h2 {
        font-size: 22px;
    }
    .hero-lead {
        font-size: 16px;
    }
    .hero-visual {
        min-height: 330px;
    }
    .hero-caption {
        left: 20px;
    }
    .hero-play {
        width: 62px;
        height: 62px;
    }
    .signal-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .signal-grid div:nth-child(2) {
        border-right: 0;
    }
    .signal-grid div:nth-child(-n+2) {
        border-bottom: 1px solid var(--line);
    }
    .signal-grid div {
        padding: 14px;
    }
    .signal-grid strong {
        font-size: 21px;
    }
    .section {
        margin-top: 65px;
    }
    .section-heading {
        align-items: flex-start;
    }
    .section-heading h2 {
        font-size: 29px;
    }
    .section-more {
        font-size: 13px;
    }
    .video-grid, .grid-four, .grid-three {
        grid-template-columns: repeat(2, minmax(0,1fr));
        gap: 15px;
    }
    .card-body h3 {
        font-size: 15px;
        min-height: 44px;
    }
    .card-body p {
        display: none;
    }
    .cover {
        border-radius: 13px;
    }
    .meta span:last-child {
        display: none;
    }
    .latest-panel {
        padding: 24px 18px;
    }
    .latest-rail {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
    }
    .latest-rail .video-card {
        display: block !important;
        min-width: 72%;
        scroll-snap-align: start;
    }
    .split-feature {
        grid-template-columns: 1fr;
    }
    .split-copy {
        padding: 34px 25px;
    }
    .split-image {
        min-height: 290px;
    }
    .category-grid {
        grid-template-columns: 1fr;
    }
    .category-tile {
        min-height: 130px;
    }
    .short-stage {
        padding-left: 18px;
    }
    .anime-zone {
        padding: 28px 18px;
        margin-inline: 0;
        width: 100%;
        border-radius: 0;
    }
    .anime-zone .video-grid {
        display: flex;
        overflow-x: auto;
    }
    .anime-zone .video-card {
        min-width: 70%;
    }
    .classic-grid {
        grid-template-columns: 1fr 1fr;
    }
    .classic-grid .video-card:first-child {
        grid-column: 1 / -1;
    }
    .classic-grid .wide-card:first-child .cover {
        aspect-ratio: 16 / 9;
    }
    .timeline-section {
        padding: 28px 20px;
    }
    .release-timeline {
        grid-template-columns: repeat(2,1fr);
        gap: 20px 0;
    }
    .release-timeline time {
        font-size: 25px;
    }
    .release-timeline a {
        padding: 6px 14px 15px;
    }
    .rank-section {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .rank-row {
        grid-template-columns: 42px 1fr;
    }
    .rank-heat {
        display: none;
    }
    .topic-mosaic {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .topic-main {
        grid-row: auto;
    }
    .topic-mosaic a {
        min-height: 250px;
    }
    .tag-cloud, .about-section, .app-section {
        grid-template-columns: 1fr;
    }
    .tag-cloud {
        padding: 28px 20px;
    }
    .about-mark {
        width: 190px;
    }
    .app-section {
        padding: 36px 24px;
    }
    .qr-art {
        grid-template-columns: 108px 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .footer-brand, .footer-grid > div:last-child {
        grid-column: 1 / -1;
    }
    .copyright {
        gap: 10px;
        flex-direction: column;
    }
    .channel-hero {
        padding: 28px 22px;
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .channel-cover {
        min-height: 280px;
    }
    .channel-grid .video-card:first-child {
        grid-column: 1 / -1;
    }
    .channel-grid .video-card:first-child .cover {
        aspect-ratio: 16 / 9;
    }
    .channel-bottom {
        grid-template-columns: 1fr;
    }
    .channel-note, .mini-ranking {
        padding: 25px 20px;
    }
    .watch-heading {
        align-items: flex-start;
        flex-direction: column;
    }
    .favorite-button {
        align-self: flex-end;
    }
    .player {
        border-radius: 15px;
    }
    .center-play {
        width: 58px;
        height: 58px;
    }
    .player-controls {
        left: 12px;
        right: 12px;
        bottom: 10px;
    }
    .player-controls .time, .player-controls button:nth-last-child(2) {
        display: none;
    }
    .article-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .fact-card {
        position: static;
    }
    .scene-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }
    .scene-grid figure, .scene-grid figure:first-child, .scene-grid figure:last-child {
        grid-column: auto;
        grid-row: auto;
        min-height: 180px;
    }
    .scene-grid figure:first-child, .scene-grid figure:last-child {
        grid-column: 1 / -1;
    }
    .episode-nav {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 420px) {
    .hero-actions {
        flex-direction: column;
    }
    .button {
        width: 100%;
    }
    .video-grid, .grid-four, .grid-three {
        grid-template-columns: 1fr 1fr;
    }
    .cover {
        aspect-ratio: 4 / 3;
    }
    .scene-grid {
        grid-template-columns: 1fr;
    }
    .scene-grid figure, .scene-grid figure:first-child, .scene-grid figure:last-child {
        grid-column: 1;
    }
    .qr-art {
        grid-template-columns: 92px 1fr;
    }
}