/* お客様の声 画像の高さを統一 */
img[alt^="お客様の声"] {
    height: 220px;
    object-fit: contain;
    background-color: #f9fafb;
}

/* === Custom Base Styles === */
body {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    background-color: #ffffff;
    color: #1c1917; /* ink (stone-900) */
    overflow-x: hidden;
    line-height: 1.75;
    letter-spacing: 0.01em;
}
/* 大胆な見出しのジャンプ率（雑誌的タイポ） */
h1, h2 { letter-spacing: -0.02em; }

/* Hide Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f5f5f4; }
::-webkit-scrollbar-thumb { background: #d6d3d1; border-radius: 4px; }

/* Animations */
.fade-in { animation: fadeIn 0.4s ease-out forwards; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Marquee / 合格実績 auto-scroll */
@keyframes marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.marquee-wrapper {
    position: relative;
    overflow: hidden;
}
.marquee-wrapper::before,
.marquee-wrapper::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
}
.marquee-wrapper::before {
    left: 0;
    background: linear-gradient(to right, white, transparent);
}
.marquee-wrapper::after {
    right: 0;
    background: linear-gradient(to left, white, transparent);
}
.marquee-track {
    display: flex;
    align-items: center;
    width: max-content;
    animation: marquee 45s linear infinite;
}
.marquee-wrapper:hover .marquee-track {
    animation-play-state: paused;
}
.marquee-card {
    flex: none;
    background: #f8fafc;
    border-radius: 12px;
    padding: 10px 16px;
    margin: 0 8px;
    border: 1px solid #e2e8f0;
    min-width: 120px;
    cursor: default;
}
/* 合格実績カードをリンク化したもの（トップのダイジェスト） */
.marquee-card--link { cursor: pointer; transition: background .2s, transform .2s; }
.marquee-card--link:hover { background: #e0f2fe; transform: translateY(-2px); }
/* 成績UP横スライド：カード高さを揃える */
.marquee-track--score { align-items: stretch; }
/* 合格実績・成績UPの一覧グリッド（各コースページ） */
.jisseki-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.jisseki-grid--score { gap: 12px; }
@media (min-width: 768px) {
    .jisseki-grid { grid-template-columns: repeat(4, 1fr); }
    .jisseki-grid--score { grid-template-columns: repeat(3, 1fr); }
}
/* 比較表：スマホでは項目ごとのカードに変換して見やすく */
@media (max-width: 767px) {
    .compare-table thead { display: none; }
    .compare-table, .compare-table tbody, .compare-table tr, .compare-table td { display: block; width: 100%; }
    .compare-table tr { border: 1px solid #e2e8f0; border-radius: 12px; margin: 0 14px 14px; overflow: hidden; }
    .compare-table td { padding: 10px 16px !important; }
    .compare-table td:first-child { background: #0284c7; color: #fff; font-weight: 800; }
    .compare-table td[data-label]::before { content: attr(data-label); display: block; font-size: 11px; font-weight: 700; color: #0284c7; margin-bottom: 3px; }
    .compare-table td[data-label]:last-child { background: #f0f9ff; }
}

/* Page Switching Logic */
.page-section { display: none; }
.page-section.active { display: block; animation: fadeIn 0.4s ease-out; }

/* Card Styles */
.card-pop {
    background: white;
    border-radius: 14px;
    box-shadow: none;
    transition: transform 0.25s ease, border-color 0.25s ease;
    border: 1px solid #e7e5e4; /* stone-200 hairline */
}
.card-pop:hover {
    transform: translateY(-3px);
    border-color: #a8a29e; /* stone-400 */
}

.card-clickable { cursor: pointer; }
.card-clickable:active { transform: scale(0.98); }

/* Wave Divider */
.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 10;
}
.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 40px;
}
.wave-divider .shape-fill { fill: #ffffff; }

/* Mobile Menu */
#mobile-menu-overlay {
    transition: opacity 0.3s ease-in-out, visibility 0.3s;
}
#mobile-menu-content {
    transition: transform 0.3s ease-in-out;
    transform: translateX(100%);
}
#mobile-menu-overlay.open {
    visibility: visible;
    opacity: 1;
}
#mobile-menu-overlay.open #mobile-menu-content {
    transform: translateX(0);
}

/* Navigation Link Styles */
.nav-link {
    position: relative;
    font-weight: 700;
    color: #57534e;
    transition: color 0.2s;
    font-size: 0.9rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem 0;
}
.nav-link:hover, .nav-link.current { color: #0284c7; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: #0284c7;
    border-radius: 99px;
    transition: width 0.3s;
}
.nav-link.current::after, .nav-link:hover::after { width: 100%; }

/* Chart Container */
.chart-container {
    position: relative;
    width: 100%;
    height: 250px;
}

/* Pricing Table */
.price-table th { background-color: #fff7ed; color: #f97316; font-weight: 800; padding: 1rem; border: 2px solid #fed7aa; }
.price-table td { padding: 1rem; border: 2px solid #fed7aa; text-align: center; background: white; }

/* Text Highlight */
.highlight-marker {
    background: linear-gradient(transparent 60%, #fde047 60%);
    display: inline;
    font-weight: 800;
}

/* Specific dividers for colored sections */
.wave-top { top: -1px; bottom: auto; transform: rotate(180deg); }
.faq-filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid #bae6fd;
    background: #fff;
    color: #57534e;
    transition: background .2s, color .2s, border-color .2s;
    cursor: pointer;
}
.faq-filter-btn:hover { background: #f0f9ff; }
.faq-filter-btn.active { background: #0284c7; color: #fff; border-color: #0284c7; }