/* ============================================================
   first-battle.css
   beginner/first-battle/ ページ専用スタイル
   ============================================================ */

/* ── ヒーロー背景 ── */
.bph-first-battle::before {
    background-image: url('/assets/img/pages/beginner/first-battle-hero.jpg');
}

/* ============================================================
   攻めのフロー
   ============================================================ */
.fb-flow {
    display: flex;
    flex-direction: column;
    max-width: 680px;
    margin: 24px 0;
}
.fb-flow__step {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 20px 22px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.03);
}
.fb-flow__step--1 { border-color: rgba(0,255,255,0.3); }
.fb-flow__step--2 { border-color: rgba(0,200,255,0.2); }
.fb-flow__step--3 { border-color: rgba(255,0,150,0.3); }
.fb-flow__num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    flex-shrink: 0;
    background: rgba(0,255,255,0.1);
    border: 1px solid rgba(0,255,255,0.35);
    color: var(--neon-cyan);
}
.fb-flow__step--3 .fb-flow__num {
    background: rgba(255,0,150,0.1);
    border-color: rgba(255,0,150,0.35);
    color: var(--neon-magenta);
}
.fb-flow__body strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}
.fb-flow__body p { margin: 0; font-size: 0.83rem; color: rgba(255,255,255,0.65); line-height: 1.7; }
.fb-flow__arrow {
    text-align: center;
    font-size: 1rem;
    color: rgba(255,255,255,0.2);
    padding: 4px 0;
    margin-left: 58px;
}

/* 参考動画 */
.fb-video { margin-top: 28px; }
.fb-video__label {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.08em;
    margin-bottom: 10px;
}
.fb-video__wrap {
    position: relative;
    width: 100%;
    max-width: 640px;
    padding-bottom: min(360px, 56.25%);
    height: 0;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}
.fb-video__wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* ============================================================
   リード文
   ============================================================ */
.fb-lead {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.75;
    margin-bottom: 20px;
}

/* ============================================================
   2択テーブル
   ============================================================ */
.fb-twochoice__table-wrap {
    overflow-x: auto;
    border: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 16px;
}
.fb-twochoice__table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}
.fb-twochoice__table thead th {
    background: rgba(255,255,255,0.05);
    padding: 10px 16px;
    font-size: 0.72rem;
    font-weight: 600;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.08em;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.fb-twochoice__table tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.fb-twochoice__table tbody tr:last-child { border-bottom: none; }
.fb-twochoice__table tbody td {
    padding: 14px 16px;
    font-size: 0.83rem;
    color: rgba(255,255,255,0.72);
    line-height: 1.65;
    vertical-align: top;
}
.fb-twochoice__table td strong { color: #fff; font-weight: 700; }

.fb-tag {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 3px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.fb-tag--guard  { background: rgba(0,255,255,0.1); color: var(--neon-cyan); border: 1px solid rgba(0,255,255,0.25); }
.fb-tag--attack { background: rgba(255,0,80,0.1);  color: #ff4070; border: 1px solid rgba(255,0,80,0.25); }
.fb-tag--hold   { background: rgba(255,200,0,0.08); color: #ffc840; border: 1px solid rgba(255,200,0,0.2); }

/* ノートボックス共通 */
.fb-note {
    padding: 14px 18px;
    border-radius: 4px;
    border-left: 3px solid;
}
.fb-note strong {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.fb-note p { margin: 0; font-size: 0.82rem; color: rgba(255,255,255,0.62); line-height: 1.65; }
.fb-note--info  { background: rgba(0,255,255,0.04); border-color: var(--neon-cyan); }
.fb-note--info strong  { color: var(--neon-cyan); }
.fb-note--warn  { background: rgba(255,80,0,0.04); border-color: #ff5020; }
.fb-note--warn strong  { color: #ff6040; }

/* ============================================================
   ブレイクシステム
   ============================================================ */
.fb-break__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
    margin-top: 20px;
}
.fb-break__card {
    padding: 18px 20px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.02);
    border-radius: 4px;
    transition: border-color 0.2s;
}
.fb-break__card:hover { border-color: rgba(0,255,255,0.2); }
.fb-break__label {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--neon-cyan);
    letter-spacing: 0.04em;
    margin-bottom: 4px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}
.fb-break__label-sub {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.4);
    font-family: inherit;
    font-weight: 400;
    letter-spacing: 0;
}
.fb-break__timing {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.38);
    letter-spacing: 0.04em;
    margin: 0 0 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.fb-break__card p { margin: 0; font-size: 0.81rem; color: rgba(255,255,255,0.68); line-height: 1.7; }

/* ============================================================
   ガードされたとき
   ============================================================ */
.fb-onguard__list {
    margin-top: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    overflow: hidden;
}
.fb-onguard__item {
    display: grid;
    grid-template-columns: 220px 1fr;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.fb-onguard__item:last-child { border-bottom: none; }
.fb-onguard__situation {
    padding: 16px 18px;
    font-size: 0.81rem;
    color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.025);
    border-right: 1px solid rgba(255,255,255,0.07);
    display: flex;
    align-items: center;
    line-height: 1.55;
}
.fb-onguard__action { padding: 16px 18px; }
.fb-onguard__action strong {
    display: block;
    font-size: 0.88rem;
    color: #fff;
    margin-bottom: 6px;
}
.fb-onguard__action p { margin: 0; font-size: 0.81rem; color: rgba(255,255,255,0.6); line-height: 1.65; }
.fb-onguard__action a { color: var(--neon-cyan); text-decoration: none; }
.fb-onguard__action a:hover { text-decoration: underline; }

/* ============================================================
   受身
   ============================================================ */
.fb-recovery__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 20px;
}
.fb-recovery__card {
    padding: 18px 20px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.02);
    border-radius: 4px;
}
.fb-recovery__title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: 12px;
}
.fb-recovery__list { margin: 0; padding-left: 18px; }
.fb-recovery__list li {
    font-size: 0.81rem;
    color: rgba(255,255,255,0.68);
    line-height: 1.75;
    margin-bottom: 3px;
}

/* ============================================================
   対戦と上達
   ============================================================ */
.fb-mindset__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 0;
}
.fb-mindset__item {
    padding: 20px 22px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
}
.fb-mindset__item--do   { border-color: rgba(0,255,255,0.2); background: rgba(0,255,255,0.025); }
.fb-mindset__item--dont { background: rgba(255,255,255,0.018); }
.fb-mindset__badge {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 3px 8px;
    border-radius: 2px;
    display: inline-block;
    margin-bottom: 14px;
}
.fb-mindset__item--do .fb-mindset__badge   { background: rgba(0,255,255,0.12); color: var(--neon-cyan); }
.fb-mindset__item--dont .fb-mindset__badge { background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.45); }
.fb-mindset__item ul { margin: 0; padding-left: 18px; }
.fb-mindset__item li { font-size: 0.83rem; color: rgba(255,255,255,0.72); line-height: 1.85; }
.fb-mindset__item--do li { color: rgba(255,255,255,0.82); }

/* 番号カード */
.fb-lose__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}
.fb-lose__card {
    display: flex;
    gap: 16px;
    padding: 18px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.02);
    border-radius: 4px;
    transition: border-color 0.2s;
}
.fb-lose__card:hover { border-color: rgba(255,255,255,0.16); }
.fb-lose__num {
    font-size: 1.4rem;
    font-weight: 800;
    color: rgba(255,255,255,0.1);
    flex-shrink: 0;
    line-height: 1;
}
.fb-lose__body { flex: 1; }
.fb-lose__body strong {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 7px;
    line-height: 1.4;
}
.fb-lose__body p { margin: 0; font-size: 0.81rem; color: rgba(255,255,255,0.6); line-height: 1.7; }

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 768px) {
    .fb-break__grid    { grid-template-columns: 1fr; }
    .fb-recovery__grid { grid-template-columns: 1fr; }
    .fb-mindset__grid  { grid-template-columns: 1fr; }
    .fb-lose__grid     { grid-template-columns: 1fr; }
    .fb-flow           { max-width: 100%; }
    .fb-flow__arrow    { margin-left: 28px; }

    .fb-onguard__item  { grid-template-columns: 1fr; }
    .fb-onguard__situation {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.07);
        padding: 10px 14px;
    }
    .fb-onguard__action { padding: 12px 14px; }
}

@media (max-width: 480px) {
    .fb-twochoice__table { min-width: 420px; }
    .fb-break__card  { padding: 14px 16px; }
    .fb-mindset__item { padding: 16px 16px; }
}