@media (max-width: 992px) {
    .site-nav {
        align-items: stretch;
        padding: 14px 0 20px;
    }

    .site-nav .nav-contact {
        text-align: center;
    }

    .hero-inner,
    .academy-intro,
    .about-grid,
    .notice-grid,
    .location-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-note {
        max-width: 520px;
    }

    .story-feature {
        grid-template-columns: 1fr;
    }

    .program-item {
        grid-template-columns: 28px 1fr;
    }

    .program-item strong {
        grid-column: 2;
    }

    .gallery-masonry,
    .activity-track {
        grid-template-columns: 1fr;
    }

    .hero-quick-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-quick-links a:nth-child(2) { border-right: 0; }
    .hero-quick-links a:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .result-showcase { grid-template-columns: 1fr; }
    .academy-numbers { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .academy-numbers article:nth-child(3) { border-right: 0; }
    .academy-numbers article:nth-child(-n+3) { border-bottom: 1px solid rgba(255,255,255,.2); }

    .gallery-work,
    .gallery-work:nth-child(2) {
        min-height: 360px;
    }
}

@media (max-width: 640px) {
    .mobile-top-button {
        position: fixed;
        right: 18px;
        bottom: calc(18px + env(safe-area-inset-bottom));
        z-index: 1040;
        display: grid;
        width: 54px;
        height: 54px;
        place-content: center;
        gap: 1px;
        color: var(--white);
        text-align: center;
        background: var(--primary);
        border: 1px solid rgba(255, 255, 255, .35);
        border-radius: 50%;
        box-shadow: 0 10px 28px rgba(42, 29, 20, .28);
        font-size: .66rem;
        font-weight: 900;
        line-height: 1;
    }

    .mobile-top-button i { font-size: 1rem; }
    .mobile-top-button:active { transform: translateY(2px); }

    .page-shell {
        width: min(100% - 32px, 1180px);
    }

    .section-space {
        padding: 72px 0;
    }

    .hero-section,
    .hero-inner {
        min-height: auto;
    }

    .hero-visual {
        background:
                linear-gradient(rgba(42,29,20,.35), rgba(42,29,20,.35)),
                url("/images/hero-academy-natural-view-v5.png?v=5") 62% center / cover;
    }

    .hero-inner {
        padding-top: 72px;
    }

    .hero-quick-links { grid-template-columns: 1fr; }
    .hero-quick-links a { min-height: 82px; border-right: 0; border-bottom: 1px solid var(--line); }
    .hero-quick-links a:nth-child(3) { border-bottom: 1px solid var(--line); }
    .hero-quick-links a:last-child { border-bottom: 0; }

    h1 {
        font-size: 3rem;
    }

    .notice-list button {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .philosophy-steps article { grid-template-columns: 34px 1fr; }
    .philosophy-steps article p { grid-column: 2; }
    .academy-features ul { grid-template-columns: 1fr; }
    .academy-features li:last-child { grid-column: auto; }
    .activity-track .material-card { display: block; }
    .activity-track .material-card > i { margin: 26px 0 0 24px; }
    .academy-numbers { grid-template-columns: 1fr 1fr; }
    .academy-numbers article, .academy-numbers article:nth-child(3) { border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
    .academy-numbers article:nth-child(even), .academy-numbers article:last-child { border-right: 0; }
    .academy-numbers article:last-child { grid-column: 1 / -1; border-bottom: 0; }
    .location-info div { grid-template-columns: 1fr; gap: 2px; }

    .notice-list span {
        width: fit-content;
    }

    .notice-list time {
        text-align: left;
    }

    .reservation-form {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}