/* ============================================
   C Language School - Glassmorphism Design
   ============================================ */

:root {
    --primary: #3a3a3a;
    --primary-light: #555;
    --primary-dark: #222;
    --accent: #e8a838;
    --accent-light: #f5c563;
    --accent-warm: #d4922a;
    --success: #38a169;
    --danger: #e53e3e;
    --gray-50: #faf9f7;
    --gray-100: #f3f1ed;
    --gray-200: #e8e4dd;
    --gray-300: #d4cfc6;
    --gray-500: #8a8478;
    --gray-600: #5c5649;
    --gray-700: #3d3832;
    --gray-800: #2a2520;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Glassmorphism */
    --glass-bg: rgba(255,255,255,0.50);
    --glass-bg-strong: rgba(255,255,255,0.68);
    --glass-border: rgba(255,255,255,0.55);
    --glass-blur: blur(18px);
    --glass-shadow: 0 8px 32px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; }

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-700);
    background: linear-gradient(135deg, #f8f6f1 0%, #f0ece4 40%, #e8e3d8 100%);
    background-attachment: fixed;
    line-height: 1.7;
    min-height: 100vh;
}

/* ---- Google Translate (Navbar) ---- */
#google_translate_element_nav {
    display: flex;
    align-items: center;
}
#google_translate_element_nav .goog-te-gadget {
    font-size: 0 !important;
    margin: 0;
}
#google_translate_element_nav .goog-te-gadget .goog-te-combo {
    font-size: 0.85rem;
    padding: 4px 8px;
    border: 1px solid rgba(0,0,0,0.12);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.35);
    color: var(--gray-700);
    cursor: pointer;
    outline: none;
    backdrop-filter: blur(8px);
}
#google_translate_element_nav .goog-te-gadget .goog-te-combo option {
    color: #333;
    background: #fff;
}
#google_translate_element_nav .goog-te-gadget > span {
    display: none !important;
}

/* ---- Navbar (Bright Glass) ---- */
.navbar-main {
    background: rgba(255,255,255,0.60) !important;
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    padding: 0.6rem 0;
    box-shadow: 0 1px 20px rgba(0,0,0,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.5);
}

.navbar-main .navbar-brand {
    font-weight: 700;
    font-size: 1.18rem;
    letter-spacing: 0.02em;
    color: var(--gray-700) !important;
    white-space: nowrap;
}

.navbar-main .navbar-brand img {
    height: 36px;
    margin-right: 8px;
}

.navbar-main .nav-link {
    color: var(--gray-600) !important;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.5rem 0.7rem !important;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.navbar-main .nav-link:hover,
.navbar-main .nav-link.active {
    color: var(--gray-800) !important;
}

.navbar-main .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: var(--accent);
    transition: transform 0.3s ease;
}

.navbar-main .nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* Navbar toggler for light bg */
.navbar-main .navbar-toggler {
    border-color: rgba(0,0,0,0.15);
}
.navbar-main .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(61,56,50,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Mobile menu */
@media (max-width: 991.98px) {
    .navbar-main .nav-link::after {
        display: none;
    }
    .navbar-main .navbar-nav {
        padding: 0.5rem 0;
    }
    .navbar-main .nav-link {
        padding: 0.6rem 0 !important;
        border-bottom: 1px solid rgba(0,0,0,0.06);
    }
    .navbar-main .nav-link:last-child {
        border-bottom: none;
    }
    .navbar-collapse .navbar-nav.ms-3 {
        margin-left: 0 !important;
    }
}

.btn-register {
    background: var(--accent) !important;
    border: none !important;
    color: var(--primary-dark) !important;
    font-weight: 700;
    border-radius: 50px;
    padding: 0.4rem 1.5rem !important;
    transition: var(--transition);
}

.btn-register:hover {
    background: var(--accent-light) !important;
    transform: translateY(-1px);
}

/* ---- Hero Section ---- */
.hero {
    position: relative;
    height: calc(100vh - 60px);
    height: calc(100dvh - 60px);
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: #f5f0e8;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: 70% center;
}

.hero-bg-mobile { display: none; }

@media (max-width: 768px) {
    .hero-bg-pc { display: none; }
    .hero-bg-mobile {
        display: block;
        background-size: cover;
        background-position: center center;
    }
    .hero-overlay {
        background: linear-gradient(
            to top,
            rgba(0,0,0,0.5) 0%,
            rgba(0,0,0,0.2) 40%,
            rgba(0,0,0,0.0) 60%
        );
    }
    .hero-text-area::before {
        display: none;
    }
    .hero-blur-area {
        position: relative;
        padding: 0.5rem 0.8rem;
    }
    .hero-blur-area::before {
        content: "";
        position: absolute;
        inset: -20px -30px;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        background: rgba(0,0,0,0.08);
        border-radius: 40px;
        -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 65%);
        mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 65%);
        z-index: -1;
        pointer-events: none;
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.0) 0%,
        rgba(0,0,0,0.0) 40%,
        rgba(0,0,0,0.05) 70%,
        rgba(0,0,0,0.15) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-bottom: 3rem;
}

.hero-text-area {
    position: relative;
}
.hero-text-area::before {
    content: "";
    position: absolute;
    inset: -80px -100px;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: rgba(0,0,0,0.12);
    border-radius: 80px;
    -webkit-mask-image: radial-gradient(ellipse at 40% 50%, black 30%, transparent 62%);
    mask-image: radial-gradient(ellipse at 40% 50%, black 30%, transparent 62%);
    z-index: -1;
    pointer-events: none;
}

.hero-subtitle {
    text-shadow: 0 2px 6px rgba(0,0,0,0.8), 0 0 30px rgba(0,0,0,0.6), 0 0 60px rgba(0,0,0,0.4);
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 6px rgba(0,0,0,0.8), 0 0 30px rgba(0,0,0,0.6), 0 0 60px rgba(0,0,0,0.4);
}

.hero .lead {
    font-size: 1.15rem;
    opacity: 0.95;
    line-height: 1.8;
    text-shadow: 0 2px 6px rgba(0,0,0,0.8), 0 0 30px rgba(0,0,0,0.6), 0 0 60px rgba(0,0,0,0.4);
}

.btn-hero-primary {
    background: var(--accent);
    color: var(--primary-dark);
    border: none;
    font-weight: 700;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 18px rgba(232,168,56,0.35);
}

.btn-hero-primary:hover {
    background: var(--accent-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(232,168,56,0.45);
}

.btn-hero-outline {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.4);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.7rem 2rem;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-hero-outline:hover {
    border-color: rgba(255,255,255,0.7);
    color: #fff;
    background: rgba(255,255,255,0.25);
}

/* ---- Sections ---- */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.section-header .section-line {
    width: 50px;
    height: 3px;
    background: var(--accent);
    margin: 0 auto;
    border-radius: 2px;
}

.section-header p {
    color: var(--gray-500);
    margin-top: 0.75rem;
}

/* ---- Cards (Glass) — applies to both .card-premium and Bootstrap .card ---- */
.card-premium,
.card-glass {
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    overflow: hidden;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.card-premium:hover,
.card-glass:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    background: rgba(255,255,255,0.82);
}

/* Dashboard内ではカードの浮かび上がりを無効 */
.sidebar-custom ~ main .card-premium:hover,
.sidebar-custom ~ main .card:hover {
    transform: none;
    box-shadow: var(--glass-shadow);
}

/* Override Bootstrap .card for glass look globally */
.card {
    border: 1px solid rgba(255,255,255,0.55) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--glass-shadow);
    background: var(--glass-bg-strong) !important;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.card .card-header {
    background: rgba(255,255,255,0.45) !important;
    border-bottom: 1px solid rgba(255,255,255,0.4);
    font-weight: 700;
}

.card .card-header.bg-primary {
    background: rgba(232,168,56,0.85) !important;
    color: var(--primary-dark) !important;
}

.card .card-footer {
    background: rgba(255,255,255,0.4) !important;
    border-top: 1px solid rgba(255,255,255,0.4);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-icon-primary {
    background: rgba(60,60,60,0.08);
    color: var(--gray-700);
}

.feature-icon-accent {
    background: rgba(232,168,56,0.15);
    color: var(--accent-warm);
}

.feature-icon-success {
    background: rgba(56,161,105,0.12);
    color: var(--success);
}

/* ---- Pricing Cards (Glass) ---- */
.pricing-card {
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: var(--radius);
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    border-color: var(--accent-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.pricing-card.featured {
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(232,168,56,0.18);
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
}

.pricing-badge {
    position: absolute;
    top: 16px;
    right: -32px;
    background: var(--accent);
    color: var(--primary-dark);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 40px;
    transform: rotate(45deg);
    letter-spacing: 0.05em;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-700);
    line-height: 1;
}

.price-unit {
    font-size: 0.9rem;
    color: var(--gray-500);
    font-weight: 400;
}

/* ---- Instructor Cards (Glass) ---- */
.instructor-card {
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    overflow: hidden;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    text-align: center;
}

.instructor-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.instructor-photo {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255,255,255,0.6);
    transition: var(--transition);
}

.instructor-card:hover .instructor-photo {
    border-color: var(--accent);
}

.instructor-placeholder {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-warm), var(--accent));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto;
}

/* ---- Calendar Page ---- */
.calendar-container {
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
}

.fc .fc-toolbar-title {
    font-size: 1.3rem !important;
    font-weight: 700;
    color: var(--gray-700);
}

.fc .fc-button-primary {
    background: var(--gray-700) !important;
    border-color: var(--gray-700) !important;
    border-radius: 6px !important;
    font-weight: 600;
}

.fc .fc-button-primary:hover {
    background: var(--gray-600) !important;
}

.fc .fc-button-primary:not(:disabled).fc-button-active {
    background: var(--primary-dark) !important;
}

.fc .fc-daygrid-day-number {
    color: var(--gray-700);
    font-weight: 500;
}

.fc .fc-event {
    border: none !important;
    border-radius: 6px !important;
    font-size: 0.75rem !important;
    padding: 2px 4px !important;
    background: var(--accent) !important;
    color: var(--primary-dark) !important;
    cursor: pointer;
    transition: var(--transition);
}

.fc .fc-event:hover {
    background: var(--accent-warm) !important;
    transform: scale(1.02);
}

/* List view */
.fc .fc-list-event td {
    background: rgba(255,255,255,0.6) !important;
    border-bottom: 1px solid var(--gray-100);
}

.fc .fc-list-event:hover td {
    background: rgba(255,255,255,0.8) !important;
}

.fc .fc-list-event-dot {
    border-color: var(--accent) !important;
}

.fc .fc-list-event-title a,
.fc .fc-list-event-time {
    color: var(--gray-700) !important;
}

.fc .fc-list-day-cushion {
    background: rgba(255,255,255,0.5) !important;
    color: var(--gray-700) !important;
    font-weight: 700;
}

.fc .fc-list-day-text,
.fc .fc-list-day-side-text {
    color: var(--gray-700) !important;
}

.fc .fc-col-header-cell {
    background: rgba(255,255,255,0.5);
    font-weight: 700;
    color: var(--gray-700);
}

.fc .fc-day-today {
    background: rgba(232,168,56,0.08) !important;
}

/* ---- Buttons ---- */
.btn-primary {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    color: var(--primary-dark) !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-warm) !important;
    border-color: var(--accent-warm) !important;
    color: var(--primary-dark) !important;
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary-dark);
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.btn-accent:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    color: var(--primary-dark);
}

.btn-outline-primary {
    color: var(--gray-700) !important;
    border-color: var(--gray-300) !important;
    border-radius: 50px;
    font-weight: 600;
    background: rgba(255,255,255,0.4);
    backdrop-filter: blur(8px);
}

.btn-outline-primary:hover,
.btn-outline-primary:active,
.btn-outline-primary.active,
.btn-outline-primary:focus,
.btn-outline-primary:first-child:active {
    background: var(--accent) !important;
    border-color: var(--accent) !important;
    color: var(--primary-dark) !important;
}

/* ---- Bootstrap overrides for glass feel ---- */
.text-primary {
    color: var(--accent-warm) !important;
}

.bg-primary {
    background-color: var(--accent) !important;
    color: var(--primary-dark) !important;
}

.border-primary {
    border-color: var(--accent) !important;
}

.bg-light {
    background-color: rgba(255,255,255,0.5) !important;
}

.bg-info {
    background-color: var(--accent) !important;
    color: var(--primary-dark) !important;
}

.table-light > * {
    background-color: rgba(255,255,255,0.5) !important;
}

.shadow-sm {
    box-shadow: var(--glass-shadow) !important;
}

/* Bootstrap .alert glass */
.alert {
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.alert-info {
    background: rgba(191,219,254,0.4) !important;
    border-color: rgba(147,197,253,0.5) !important;
    color: var(--gray-700);
}

.alert-success {
    background: rgba(187,247,208,0.4) !important;
    border-color: rgba(134,239,172,0.5) !important;
    color: var(--gray-700);
}

.alert-warning {
    background: rgba(253,230,138,0.4) !important;
    border-color: rgba(252,211,77,0.5) !important;
    color: var(--gray-700);
}

.alert-danger {
    background: rgba(254,202,202,0.4) !important;
    border-color: rgba(252,165,165,0.5) !important;
    color: var(--gray-700);
}

/* ---- Tables (Glass) ---- */
.table {
    --bs-table-bg: transparent;
}

.table-bordered {
    border-color: rgba(0,0,0,0.08) !important;
}

.table-bordered th,
.table-bordered td {
    border-color: rgba(0,0,0,0.08) !important;
}

.table-premium {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

.table-premium thead th {
    background: rgba(255,255,255,0.5);
    border-bottom: 2px solid var(--gray-200);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
    padding: 0.8rem 1rem;
}

.table-premium tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
}

.table-premium tbody tr:hover {
    background: rgba(232,168,56,0.04);
}

/* ---- Secondary / Outline buttons ---- */
.btn-outline-secondary {
    border-color: var(--gray-300) !important;
    color: var(--gray-600) !important;
    border-radius: var(--radius-sm);
}
.btn-outline-secondary:hover {
    background: var(--gray-200) !important;
    border-color: var(--gray-300) !important;
    color: var(--gray-700) !important;
}

.btn-secondary {
    background: var(--gray-500) !important;
    border-color: var(--gray-500) !important;
    border-radius: var(--radius-sm);
}

.btn-outline-danger {
    border-radius: var(--radius-sm);
}

/* ---- Dropdown (Glass) ---- */
.dropdown-menu {
    background: rgba(255,255,255,0.85) !important;
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border: 1px solid rgba(255,255,255,0.6) !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    color: var(--gray-700);
    transition: var(--transition);
    border-radius: 6px;
}

.dropdown-item:hover {
    background: rgba(232,168,56,0.12);
    color: var(--gray-800);
}

/* ---- Footer (Warm Dark) ---- */
.footer {
    background: var(--gray-800);
    color: rgba(255,255,255,0.7);
    padding: 3.5rem 0 1.5rem;
}

.footer h5, .footer h6 {
    color: #fff;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    margin-top: 2rem;
}

/* ---- Forms (Glass) ---- */
.form-control, .form-select {
    border: 1.5px solid rgba(0,0,0,0.08);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    transition: var(--transition);
    background: rgba(255,255,255,0.7);
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(232,168,56,0.15);
    background: rgba(255,255,255,0.95);
}

/* ---- Auth Pages ---- */
.auth-card {
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.auth-card .card-body {
    padding: 2.5rem;
}

/* ---- Badge ---- */
.badge {
    font-weight: 600;
    padding: 0.35em 0.75em;
    border-radius: 50px;
    font-size: 0.75rem;
}

.badge-online { background: rgba(59,130,246,0.15); color: #1d4ed8; }
.badge-outing { background: rgba(236,72,153,0.15); color: #be185d; }
.badge-both { background: rgba(139,92,246,0.15); color: #6d28d9; }

/* ---- Reservation Cards ---- */
.reservation-card {
    border: 1px solid rgba(255,255,255,0.55);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    background: var(--glass-bg-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.reservation-card:hover {
    box-shadow: var(--shadow-lg);
}

/* ---- CTA Section (Warm) ---- */
.cta-section {
    background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-800) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(232,168,56,0.12);
    border-radius: 50%;
}

/* ---- Modal (Glass) ---- */
.modal-content {
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    background: var(--glass-bg-strong) !important;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.modal-header {
    background: rgba(255,255,255,0.4);
    border-radius: var(--radius) var(--radius) 0 0;
}

/* ---- Dashboard ---- */
.stat-card {
    border: none;
    border-radius: var(--radius);
    color: #fff;
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ---- Avatar placeholder ---- */
.avatar-placeholder {
    line-height: 1;
    flex-shrink: 0;
}
.avatar-placeholder[style*="width:24px"] { font-size: 0.7rem; }
.avatar-placeholder[style*="width:32px"] { font-size: 0.8rem; }
.avatar-placeholder[style*="width:40px"] { font-size: 1rem; }
.avatar-placeholder[style*="width:48px"] { font-size: 1.2rem; }
.avatar-placeholder[style*="width:110px"],
.avatar-placeholder[style*="width:120px"] { font-size: 2rem; }

/* ---- Schedule Checkbox ---- */
.schedule-checkbox {
    width: 1.4em;
    height: 1.4em;
    cursor: pointer;
    accent-color: var(--accent);
}

/* ---- Sidebar (Warm) ---- */
.sidebar-custom {
    background: var(--gray-800);
    min-height: calc(100vh - 56px);
    padding-top: 1rem;
}

.sidebar-custom .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 0.65rem 1.2rem;
    border-radius: 8px;
    margin: 2px 8px;
    font-weight: 500;
    font-size: 0.88rem;
    transition: var(--transition);
}

.sidebar-custom .nav-link:hover,
.sidebar-custom .nav-link.active {
    background: rgba(232,168,56,0.2);
    color: #fff;
}

.sidebar-custom .nav-link i {
    width: 24px;
    margin-right: 8px;
    text-align: center;
}

/* ---- Step circles ---- */
.step-circle {
    width: 70px;
    height: 70px;
    background: var(--gray-700);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 800;
}

.step-circle-accent {
    background: var(--accent);
    color: var(--primary-dark);
}

/* ---- Highlight yellow ---- */
.highlight-yellow {
    background: none;
    color: #ffd54f;
    font-weight: 700;
    display: inline;
}

/* ---- Outing section images ---- */
.outing-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    background-size: cover;
    background-position: center;
}

.outing-img-icon {
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---- Feature titles (mobile) ---- */
.feature-title {
    font-size: 1.1rem;
}

/* ---- Headings ---- */
h1, h2, h3 {
    color: var(--gray-700);
}

/* Fix: white-text sections should have white headings */
.text-white h1, .text-white h2, .text-white h3, .text-white h4, .text-white h5 {
    color: #fff;
}
[style*="color:#fff"] h2, [style*="color:#fff"] h3 {
    color: inherit;
}

/* ---- Links ---- */
a {
    color: var(--accent-warm);
    transition: var(--transition);
}
a:hover {
    color: var(--accent);
}
.text-muted a {
    color: var(--accent-warm);
    text-decoration: underline;
}
.text-muted a:hover {
    color: var(--accent);
}
/* Nav links use their own color scheme */
.navbar-main a.nav-link {
    color: var(--gray-600) !important;
}
.navbar-main a.nav-link:hover {
    color: var(--gray-800) !important;
}
.navbar-main a.navbar-brand {
    color: var(--gray-700) !important;
}
.footer a {
    color: rgba(255,255,255,0.6);
}
.footer a:hover {
    color: var(--accent);
}
.dropdown-item {
    color: var(--gray-700);
}
.dropdown-item:hover {
    color: var(--gray-800);
}

/* ---- Section backgrounds ---- */
.section-warm {
    background: rgba(255,255,255,0.35);
    backdrop-filter: blur(8px);
}

/* ---- FAQ Accordion ---- */
#faqAccordion .accordion-item {
    border-radius: var(--radius) !important;
    overflow: hidden;
}
#faqAccordion .accordion-button {
    background: transparent;
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary-dark);
    padding: 1.2rem 1.5rem;
    box-shadow: none;
}
#faqAccordion .accordion-button:not(.collapsed) {
    background: transparent;
    color: var(--primary);
}
#faqAccordion .accordion-button::after {
    filter: none;
}
#faqAccordion .accordion-body {
    padding: 0 1.5rem 1.2rem;
    font-size: 0.95rem;
    line-height: 1.8;
    color: #555;
}

/* ---- Table scroll hint (mobile) ---- */
@media (max-width: 767.98px) {
    .table-responsive {
        position: relative;
    }
    .table-responsive::after {
        content: '← スクロール →';
        display: block;
        text-align: center;
        font-size: 0.7rem;
        color: var(--gray-500);
        padding: 0.3rem 0;
    }
}

/* ---- Offcanvas sidebar ---- */
#sidebarOffcanvas .nav-link {
    color: rgba(255,255,255,0.75);
    padding: 0.55rem 1.2rem;
    font-size: 0.85rem;
    border-radius: 0;
    transition: var(--transition);
}
#sidebarOffcanvas .nav-link:hover,
#sidebarOffcanvas .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}
#sidebarOffcanvas .nav-link i {
    width: 20px;
    text-align: center;
    margin-right: 0.5rem;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .hero { height: 50vh; align-items: flex-end; }
    .hero-content { padding-bottom: 0.8rem; }
    .hero h1 { font-size: 1.3rem; margin-bottom: 0.2rem !important; }
    .hero .lead { font-size: 0.8rem; line-height: 1.5; margin-bottom: 0.2rem !important; }
    .hero .hero-subtitle { font-size: 0.65rem; margin-bottom: 0.15rem !important; }
    .hero p[style*="0.95rem"] { font-size: 0.75rem !important; margin-bottom: 0.5rem !important; }
    .section { padding: 2.5rem 0; }
    .section-header { margin-bottom: 2rem; }
    .section-header h2 { font-size: 1.5rem; }
    .price-amount { font-size: 2rem; }
    .feature-icon { width: 48px; height: 48px; font-size: 1.2rem; border-radius: 12px; }
    .feature-title { font-size: 0.8rem; }
    .highlight-yellow { font-size: 0.9em; }
    .small-mobile { font-size: 0.8rem; }
    .instructor-photo { width: 70px; height: 70px; }
    .instructor-placeholder { width: 70px; height: 70px; font-size: 1.3rem; }

    /* Instructor avatar in cards - scale to fit */
    .instructor-avatar-wrap img,
    .instructor-avatar-wrap .avatar-placeholder {
        width: 70px !important;
        height: 70px !important;
    }
    .step-circle { width: 50px; height: 50px; font-size: 1.2rem; }
    .btn-hero-primary,
    .btn-hero-outline { font-size: 0.85rem; padding: 0.6rem 1.2rem; }

    /* Dashboard stat cards */
    .stat-card .display-6 {
        font-size: 1.5rem;
    }
    .stat-card {
        padding: 0.6rem !important;
    }
    .stat-card i[style*="font-size:1.8rem"] {
        font-size: 1.2rem !important;
    }

    /* Dashboard today's lessons card header */
    .card-premium .d-flex.justify-content-between.align-items-center.p-3 {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.5rem;
    }

    /* Tables: smaller text on mobile */
    .table th, .table td {
        font-size: 0.78rem;
        padding: 0.4rem 0.5rem !important;
        white-space: nowrap;
    }

    /* Calendar mobile fix */
    .fc .fc-col-header-cell-cushion {
        font-size: 0.65rem !important;
        padding: 2px !important;
        white-space: normal !important;
        word-break: break-all;
    }
    .fc .fc-toolbar-title {
        font-size: 0.95rem !important;
    }
    .fc .fc-button {
        font-size: 0.75rem !important;
        padding: 0.2rem 0.5rem !important;
    }
    .fc .fc-timegrid-slot-label-cushion {
        font-size: 0.7rem !important;
    }
    .calendar-container {
        padding: 0.75rem;
    }
    .fc .fc-col-header-cell {
        font-size: 0.65rem;
    }
}