/* =========================================
   ANALYSIS SUB-PAGE STYLES  (analysis-sub.css)
   ranking / system / theory 共通拡張
   analysis.css + beginner.css のデザインシステムに準拠
   ========================================= */


/* =========================================
   パンくずリスト
   ========================================= */
.sub-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    margin-bottom: 14px;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.35);
}
.sub-breadcrumb a {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: none;
    transition: color 0.25s ease;
}
.sub-breadcrumb a:hover { color: rgba(255, 255, 255, 0.85); }
.sub-breadcrumb-sep { opacity: 0.3; }


/* =========================================
   HERO バリアント（カラー別）
   analysis.css の .analysis-hero を継承
   ========================================= */

/* --- CYAN（system） --- */
.sub-hero--cyan {
    background:
        radial-gradient(ellipse 55% 75% at 15% 50%, rgba(0, 255, 255, 0.14) 0%, transparent 65%),
        radial-gradient(ellipse 40% 55% at 85% 30%, rgba(0, 255, 255, 0.05) 0%, transparent 55%),
        #000;
}
.sub-hero-scan--cyan {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        135deg,
        rgba(0, 255, 255, 0.08) 0%,
        transparent 50%,
        rgba(0, 255, 255, 0.04) 100%
    );
}
.sub-hero-title--cyan {
    text-shadow:
        0 0 10px var(--neon-cyan),
        0 0 30px var(--neon-cyan),
        0 0 60px rgba(0, 255, 255, 0.4) !important;
}

/* --- MAGENTA（theory） --- */
.sub-hero--magenta {
    background:
        radial-gradient(ellipse 55% 75% at 85% 50%, rgba(255, 0, 150, 0.14) 0%, transparent 65%),
        radial-gradient(ellipse 40% 55% at 15% 30%, rgba(255, 0, 150, 0.05) 0%, transparent 55%),
        #000;
}
.sub-hero-scan--magenta {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        225deg,
        rgba(255, 0, 150, 0.08) 0%,
        transparent 50%,
        rgba(255, 0, 150, 0.04) 100%
    );
}
.sub-hero-title--magenta {
    text-shadow:
        0 0 10px var(--neon-magenta),
        0 0 30px var(--neon-magenta),
        0 0 60px rgba(255, 0, 150, 0.4) !important;
}

/* --- GOLD（ranking） --- */
.sub-hero--gold {
    background:
        radial-gradient(ellipse 55% 70% at 50% 30%, rgba(255, 200, 0, 0.10) 0%, transparent 60%),
        radial-gradient(ellipse 70% 50% at 80% 80%, rgba(255, 150, 0, 0.06) 0%, transparent 55%),
        #000;
}
.sub-hero-scan--gold {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(
        160deg,
        rgba(255, 200, 0, 0.07) 0%,
        transparent 55%,
        rgba(255, 150, 0, 0.04) 100%
    );
}
.sub-hero-title--gold {
    text-shadow:
        0 0 10px #ffc800,
        0 0 28px #ffc800,
        0 0 55px rgba(255, 200, 0, 0.35) !important;
}


/* =========================================
   START HERE バリアント
   analysis.css の .analysis-start を継承
   ========================================= */

/* CYAN（system） */
.sub-start--cyan {
    background:
        radial-gradient(ellipse 75% 90% at 0% 100%, rgba(0, 255, 255, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 100% 0%,  rgba(0, 255, 255, 0.03) 0%, transparent 55%),
        #050508;
}

/* MAGENTA（theory） */
.sub-start--magenta {
    background:
        radial-gradient(ellipse 75% 90% at 100% 100%, rgba(255, 0, 150, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 0%    0%, rgba(255, 0, 150, 0.03) 0%, transparent 55%),
        #080508;
}

/* GOLD（ranking） */
.sub-start--gold {
    background:
        radial-gradient(ellipse 80% 80% at 50% 110%, rgba(255, 200, 0, 0.06) 0%, transparent 65%),
        radial-gradient(ellipse 40% 40% at 10% 10%,  rgba(255, 200, 0, 0.03) 0%, transparent 50%),
        #070700;
}

/* バッジ：マゼンタ用 */
.sub-start-badge--magenta {
    color: var(--neon-magenta);
    border-color: rgba(255, 0, 150, 0.3);
}
.sub-start-badge--magenta::before,
.sub-start-badge--magenta::after {
    background: var(--neon-magenta);
    box-shadow: 0 0 8px var(--neon-magenta);
}

/* バッジ：ゴールド用 */
.sub-start-badge--gold {
    color: #ffc800;
    border-color: rgba(255, 200, 0, 0.3);
}
.sub-start-badge--gold::before,
.sub-start-badge--gold::after {
    background: #ffc800;
    box-shadow: 0 0 8px #ffc800;
}


/* =========================================
   注目フィーチャードカード（START HERE内）
   ========================================= */
.sub-start-featured {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    position: relative;
    max-width: 680px;
    margin: 0 auto;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    overflow: hidden;
    transition: background 0.35s ease, border-color 0.35s ease, transform 0.35s ease;
}
.sub-start-featured:hover { transform: translateY(-3px); }

/* CYAN */
.sub-start-featured--cyan {
    border-color: rgba(0, 255, 255, 0.18);
    background: rgba(0, 255, 255, 0.03);
}
.sub-start-featured--cyan:hover {
    border-color: rgba(0, 255, 255, 0.32);
    background: rgba(0, 255, 255, 0.06);
}

/* MAGENTA */
.sub-start-featured--magenta {
    border-color: rgba(255, 0, 150, 0.18);
    background: rgba(255, 0, 150, 0.03);
}
.sub-start-featured--magenta:hover {
    border-color: rgba(255, 0, 150, 0.32);
    background: rgba(255, 0, 150, 0.06);
}

/* GOLD */
.sub-start-featured--gold {
    border-color: rgba(255, 200, 0, 0.2);
    background: rgba(255, 200, 0, 0.03);
}
.sub-start-featured--gold:hover {
    border-color: rgba(255, 200, 0, 0.35);
    background: rgba(255, 200, 0, 0.07);
}

/* 注目ラベル：マゼンタ */
.sub-hot-label--magenta {
    color: var(--neon-magenta) !important;
    background: rgba(255, 0, 150, 0.1) !important;
    border-color: rgba(255, 0, 150, 0.32) !important;
}

/* 注目ラベル：ゴールド */
.sub-hot-label--gold {
    color: #ffc800 !important;
    background: rgba(255, 200, 0, 0.1) !important;
    border-color: rgba(255, 200, 0, 0.32) !important;
}

/* カード内コンテンツ */
.sub-featured-inner {
    padding: 32px 36px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sub-featured-tag {
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.4em;
    color: rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
}

.sub-start-featured h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 900;
    color: #fff;
    margin: 0;
    line-height: 1.35;
}

.sub-start-featured p {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
    margin: 0;
}

/* フィーチャードCTA */
.sub-featured-arrow {
    display: inline-block;
    padding: 9px 28px;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.75);
    align-self: flex-start;
    margin-top: 4px;
    transition: all 0.3s ease;
}
.sub-start-featured:hover .sub-featured-arrow {
    background: rgba(255, 255, 255, 0.92);
    color: #000;
    border-color: #fff;
    box-shadow: 0 0 22px rgba(255, 255, 255, 0.35);
}

@media (max-width: 768px) {
    .sub-featured-inner { padding: 24px; }
}


/* =========================================
   SECTIONS バリアント
   ========================================= */
.sub-sections--cyan {
    background:
        radial-gradient(ellipse 75% 55% at 0%   0%,   rgba(0, 255, 255, 0.04) 0%, transparent 55%),
        radial-gradient(ellipse 55% 40% at 100% 100%, rgba(0, 255, 255, 0.03) 0%, transparent 50%),
        #060810;
}
.sub-sections--magenta {
    background:
        radial-gradient(ellipse 75% 55% at 100% 0%,  rgba(255, 0, 150, 0.04) 0%, transparent 55%),
        radial-gradient(ellipse 55% 40% at 0%   100%, rgba(255, 0, 150, 0.03) 0%, transparent 50%),
        #08060a;
}
.sub-sections--gold {
    background:
        radial-gradient(ellipse 80% 55% at 50% 0%,   rgba(255, 200, 0, 0.04) 0%, transparent 55%),
        radial-gradient(ellipse 50% 35% at 85% 90%,  rgba(255, 150, 0, 0.03) 0%, transparent 50%),
        #080800;
}


/* =========================================
   SUB グリッド
   ========================================= */
.sub-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}
.sub-grid--2col { grid-template-columns: repeat(2, 1fr); }
.sub-grid--3col { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 960px) {
    .sub-grid--3col { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .sub-grid--2col,
    .sub-grid--3col { grid-template-columns: 1fr; }
}


/* =========================================
   SUB カード（analysis-card を拡張）
   ========================================= */
.sub-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.11);
    background: rgba(255, 255, 255, 0.045);
    backdrop-filter: blur(4px);
    overflow: hidden;
    transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}
.sub-card:hover { transform: translateY(-3px); }

/* 上部カラーバー */
.sub-card-accent {
    height: 2px;
    width: 0;
    transition: width 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.sub-card:hover .sub-card-accent { width: 100%; }

.sub-card-inner {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 26px 26px 28px;
    flex: 1;
}

.sub-card-header {
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}

.sub-card-tag {
    font-size: 0.55rem;
    font-weight: 800;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    flex-shrink: 0;
}

.sub-card-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.4;
}

.sub-card-title {
    font-size: 1.1rem;
    font-weight: 900;
    color: #fff;
    margin: 0;
    line-height: 1.4;
    letter-spacing: 0.02em;
}

.sub-card-desc {
    font-size: 0.83rem;
    color: rgba(255, 255, 255, 0.58);
    line-height: 1.8;
    margin: 0;
    flex: 1;
}
.sub-card-desc strong {
    color: rgba(255, 255, 255, 0.88);
    font-weight: 700;
}

.sub-card-note {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.28);
    letter-spacing: 0.02em;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 5px;
}

/* 角アクセント（共通） */
.sub-card::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px;
    width: 18px; height: 18px;
    transition: border-color 0.3s ease;
}
.sub-card::after {
    content: '';
    position: absolute;
    bottom: -1px; right: -1px;
    width: 18px; height: 18px;
    transition: border-color 0.3s ease;
}

/* --- CYAN --- */
.sub-card--cyan .sub-card-accent     { background: var(--neon-cyan); }
.sub-card--cyan .sub-card-tag        { color: var(--neon-cyan); }
.sub-card--cyan::before {
    border-top: 2px solid rgba(0, 255, 255, 0.3);
    border-left: 2px solid rgba(0, 255, 255, 0.3);
}
.sub-card--cyan::after {
    border-bottom: 2px solid rgba(0, 255, 255, 0.3);
    border-right: 2px solid rgba(0, 255, 255, 0.3);
}
.sub-card--cyan:hover {
    border-color: rgba(0, 255, 255, 0.26);
    background: rgba(0, 255, 255, 0.05);
}
.sub-card--cyan:hover::before,
.sub-card--cyan:hover::after { border-color: var(--neon-cyan); }
.sub-card--cyan:hover .extra-card-arrow {
    background: rgba(255, 255, 255, 0.92);
    color: #000;
    border-color: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* --- MAGENTA --- */
.sub-card--magenta .sub-card-accent  { background: var(--neon-magenta); }
.sub-card--magenta .sub-card-tag     { color: var(--neon-magenta); }
.sub-card--magenta::before {
    border-top: 2px solid rgba(255, 0, 150, 0.3);
    border-left: 2px solid rgba(255, 0, 150, 0.3);
}
.sub-card--magenta::after {
    border-bottom: 2px solid rgba(255, 0, 150, 0.3);
    border-right: 2px solid rgba(255, 0, 150, 0.3);
}
.sub-card--magenta:hover {
    border-color: rgba(255, 0, 150, 0.26);
    background: rgba(255, 0, 150, 0.05);
}
.sub-card--magenta:hover::before,
.sub-card--magenta:hover::after { border-color: var(--neon-magenta); }
.sub-card--magenta:hover .extra-card-arrow {
    background: rgba(255, 255, 255, 0.92);
    color: #000;
    border-color: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* --- GOLD --- */
.sub-card--gold {
    border-color: rgba(255, 200, 0, 0.14);
    background: rgba(255, 200, 0, 0.02);
}
.sub-card--gold .sub-card-accent     { background: linear-gradient(to right, #ffc800, #ff9500); }
.sub-card--gold .sub-card-tag        { color: #ffc800; }
.sub-card--gold::before {
    border-top: 2px solid rgba(255, 200, 0, 0.35);
    border-left: 2px solid rgba(255, 200, 0, 0.35);
}
.sub-card--gold::after {
    border-bottom: 2px solid rgba(255, 200, 0, 0.35);
    border-right: 2px solid rgba(255, 200, 0, 0.35);
}
.sub-card--gold:hover {
    border-color: rgba(255, 200, 0, 0.28);
    background: rgba(255, 200, 0, 0.055);
}
.sub-card--gold:hover::before,
.sub-card--gold:hover::after { border-color: #ffc800; }
.sub-card--gold:hover .extra-card-arrow {
    background: rgba(255, 255, 255, 0.92);
    color: #000;
    border-color: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* --- 注目（hot）修飾 --- */
.sub-card--hot.sub-card--cyan {
    border-color: rgba(0, 255, 255, 0.22);
    background: rgba(0, 255, 255, 0.04);
}
.sub-card--hot.sub-card--magenta {
    border-color: rgba(255, 0, 150, 0.22);
    background: rgba(255, 0, 150, 0.04);
}
.sub-card--hot.sub-card--gold {
    border-color: rgba(255, 200, 0, 0.25);
    background: rgba(255, 200, 0, 0.04);
}

/* --- 準備中（planned）修飾 --- */
.sub-card--planned {
    opacity: 0.55;
    pointer-events: none;
}
.sub-card-planned-label {
    position: absolute;
    top: 14px; right: 14px;
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 3px 9px;
}


/* =========================================
   グループ分け（theory用）
   ========================================= */
.sub-group {
    max-width: 1100px;
    margin: 0 auto 56px;
}
.sub-group:last-child { margin-bottom: 0; }

.sub-group-header {
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.sub-group-label {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.4em;
    color: rgba(255, 255, 255, 0.28);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.sub-group-title {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 900;
    color: #fff;
    margin: 0 0 6px;
    letter-spacing: 0.03em;
}

.sub-group-desc {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
    letter-spacing: 0.03em;
}


/* =========================================
   ページ間導線ブロック（bridge）
   ========================================= */
.sub-nav-bridge {
    padding: 64px 40px;
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* 各ページの送り先カラー */
.sub-nav-bridge--to-system {
    background:
        radial-gradient(ellipse 70% 80% at 100% 50%, rgba(0, 255, 255, 0.05) 0%, transparent 60%),
        #050507;
}
.sub-nav-bridge--to-theory {
    background:
        radial-gradient(ellipse 70% 80% at 100% 50%, rgba(255, 0, 150, 0.05) 0%, transparent 60%),
        #060506;
}
.sub-nav-bridge--to-ranking {
    background:
        radial-gradient(ellipse 70% 80% at 100% 50%, rgba(255, 200, 0, 0.05) 0%, transparent 60%),
        #070700;
}

.bridge-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 48px;
}

.bridge-context {
    flex: 1;
}

.bridge-label {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.4em;
    color: rgba(255, 255, 255, 0.28);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.bridge-title {
    font-size: clamp(1.1rem, 2.5vw, 1.55rem);
    font-weight: 900;
    color: #fff;
    margin: 0 0 10px;
    line-height: 1.4;
    letter-spacing: 0.02em;
}

.bridge-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.48);
    line-height: 1.85;
    margin: 0;
}

/* リンクブロック */
.bridge-link {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-decoration: none;
    padding: 24px 32px;
    border: 1px solid;
    flex-shrink: 0;
    min-width: 280px;
    text-align: center;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
.bridge-link:hover { transform: translateY(-2px); }

.bridge-link-label {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    display: block;
}

.bridge-link-sub {
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    opacity: 0.65;
    display: block;
}

/* カラー別 */
.bridge-link--cyan {
    color: var(--neon-cyan);
    border-color: rgba(0, 255, 255, 0.3);
    background: rgba(0, 255, 255, 0.04);
}
.bridge-link--cyan:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.15);
}

.bridge-link--magenta {
    color: var(--neon-magenta);
    border-color: rgba(255, 0, 150, 0.3);
    background: rgba(255, 0, 150, 0.04);
}
.bridge-link--magenta:hover {
    background: rgba(255, 0, 150, 0.10);
    box-shadow: 0 0 30px rgba(255, 0, 150, 0.15);
}

.bridge-link--gold {
    color: #ffc800;
    border-color: rgba(255, 200, 0, 0.3);
    background: rgba(255, 200, 0, 0.04);
}
.bridge-link--gold:hover {
    background: rgba(255, 200, 0, 0.10);
    box-shadow: 0 0 30px rgba(255, 200, 0, 0.15);
}

@media (max-width: 860px) {
    .bridge-inner {
        flex-direction: column;
        gap: 28px;
        text-align: center;
    }
    .bridge-link {
        min-width: unset;
        width: 100%;
        max-width: 480px;
    }
}
@media (max-width: 768px) {
    .sub-nav-bridge { padding: 48px 20px; }
}