/* LP（index.html）と初回の流れ（start.html・welcome.html）・サインイン・料金・法人・規約のページ（担当: LP）。
   色は style.css のトークンだけを使う（明るい・暗いの両方で読めるように）。スマホ 375px を第一に作る。 */

.lp-kicker { margin: 0 0 6px; color: var(--brand); font-weight: 800; font-size: 12px; letter-spacing: .14em; }
.lp-section { padding: 56px 0; }
.lp-section h2 { font-size: clamp(24px, 6vw, 34px); }
.lp-sub { color: var(--muted); max-width: 720px; }
.lp-note { color: var(--muted); font-size: 13px; }
.lp-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 14px; }
.lp-cta.center { justify-content: center; }
.wrap.narrow { max-width: 760px; }
.pill-unofficial, .pill-premium {
  display: inline-flex; align-items: center; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; letter-spacing: .04em;
}
.pill-unofficial { background: var(--accent-soft); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); }
.pill-premium { background: var(--mark-soft); color: var(--mark); margin-left: 6px; vertical-align: middle; }

/* ヒーロー */
.lp-hero {
  padding: 36px 0 44px;
  background:
    radial-gradient(1200px 420px at 85% -10%, color-mix(in srgb, var(--brand) 18%, transparent), transparent 70%),
    radial-gradient(800px 360px at -10% 110%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%);
}
.lp-hero-grid { display: grid; gap: 28px; align-items: center; }
.lp-eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--muted); font-weight: 700; font-size: 14px; margin-bottom: 14px; }
.lp-hero h1 { font-size: clamp(30px, 8.6vw, 54px); font-weight: 900; letter-spacing: .01em; margin-bottom: 16px; }
.lp-lead { font-size: 17px; color: var(--fg); max-width: 34em; }
@media (min-width: 880px) {
  .lp-hero { padding: 64px 0 72px; }
  .lp-hero-grid { grid-template-columns: 1.15fr .85fr; gap: 48px; }
}

/* ヒーローの飾り（スマホの絵。読み上げない） */
.lp-hero-visual { display: flex; justify-content: center; }
.phone {
  width: min(280px, 78vw); padding: 14px 14px 18px; border-radius: 34px; border: 1.5px solid var(--line);
  background: var(--surface); box-shadow: var(--shadow); display: grid; gap: 12px;
}
.phone-bar { display: flex; justify-content: center; }
.phone-bar span { width: 70px; height: 6px; border-radius: 6px; background: var(--line); }
.mock-q, .mock-note, .mock-fig { border-radius: 16px; background: var(--surface-2); padding: 12px; }
.mock-tag { font-size: 11px; font-weight: 800; color: var(--brand); }
.mock-text { font-size: 13px; margin: 4px 0 8px; font-weight: 700; }
.mock-opts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.mock-opt { display: grid; place-items: center; height: 30px; border-radius: 8px; background: var(--surface); border: 1px solid var(--line); font-size: 13px; font-weight: 700; }
.mock-opt.ok { background: var(--ok-soft); color: var(--ok); border-color: var(--ok); }
.mock-opt.ng { background: var(--ng-soft); color: var(--ng); border-color: var(--ng); }
.mock-note-head { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-bottom: 8px; font-size: 13px; }
.mock-badge { background: var(--mark-soft); color: var(--mark); border-radius: 999px; padding: 0 8px; font-size: 11px; font-weight: 800; white-space: nowrap; }
.mock-note i, .mock-fig i { display: block; height: 7px; border-radius: 7px; background: var(--line); margin-top: 6px; }
.mock-note i.short { width: 60%; }
.mock-fig { display: flex; align-items: flex-end; gap: 8px; height: 82px; }
.mock-fig i { flex: 1; margin: 0; height: 30%; background: color-mix(in srgb, var(--brand) 45%, var(--surface)); }
.mock-fig i:nth-child(2) { height: 55%; } .mock-fig i:nth-child(3) { height: 42%; } .mock-fig i:nth-child(4) { height: 78%; background: var(--brand); } .mock-fig i:nth-child(5) { height: 62%; }

/* 実際の数字 */
.lp-stats { border-block: 1px solid var(--line); background: var(--surface); }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; padding-block: 22px; }
.stat { display: grid; justify-items: center; text-align: center; padding: 10px 4px; }
.stat-num { font-size: clamp(28px, 8vw, 40px); font-weight: 800; color: var(--brand); line-height: 1.1; }
.stat-label { font-size: 13px; color: var(--muted); }
.stat-num { letter-spacing: -.01em; }
@media (min-width: 720px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

/* お悩み */
.worry-grid { display: grid; gap: 12px; margin: 18px 0; }
.worry { display: flex; gap: 12px; align-items: center; padding: 16px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.worry p { margin: 0; font-weight: 700; }
.worry-ico { color: var(--accent); display: inline-flex; }
.worry-ico .ico, .feat-ico .ico, .corp-ico .ico, .gate-ico .ico { width: 30px; height: 30px; }
.worry-answer { font-size: 17px; font-weight: 700; padding: 16px 18px; border-left: 4px solid var(--brand); background: var(--brand-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
@media (min-width: 760px) { .worry-grid { grid-template-columns: repeat(3, 1fr); } }

/* 特長 */
.lp-features { background: var(--bg-soft); }
.feat-list { display: grid; gap: 14px; margin-top: 20px; }
.feat { display: flex; gap: 16px; padding: 20px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.feat h3 { font-size: 18px; }
.feat p:last-child { margin: 0; color: var(--muted); }
.feat-no { margin: 0 0 2px; font-family: var(--font-num); font-weight: 800; color: var(--brand); font-size: 13px; letter-spacing: .1em; }
.feat-ico { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--brand-soft); color: var(--brand); }
.feat-top { border-color: color-mix(in srgb, var(--mark) 55%, var(--line)); }
.feat-top .feat-ico { background: var(--mark-soft); color: var(--mark); }
@media (min-width: 760px) { .feat-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .feat-list { grid-template-columns: repeat(3, 1fr); } .feat { flex-direction: column; } }

/* 試験の一覧（カテゴリ別のカード） */
.catalog { margin-top: 20px; display: grid; gap: 26px; }
.catalog-fallback { columns: 2; gap: 24px; color: var(--muted); }
.cat-head { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 18px; }
.cat-head .ico { color: var(--brand); width: 26px; height: 26px; }
.cat-count { color: var(--muted); font-size: 13px; font-weight: 400; }
.exam-grid { display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 559px) {
  .exam-card { padding: 12px; gap: 4px; }
  .exam-card h4 { font-size: 15px; }
  .exam-card .chip-count, .exam-card .exam-go { display: none; }
  .exam-date, .exam-price { font-size: 12.5px; }
}
@media (min-width: 960px) { .exam-grid { grid-template-columns: repeat(3, 1fr); } }
.exam-card {
  display: grid; gap: 6px; align-content: start; padding: 16px; border-radius: var(--radius); background: var(--surface);
  border: 1px solid var(--line); color: var(--fg); text-decoration: none; transition: border-color .15s, box-shadow .15s;
}
.exam-card:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.exam-card h4 { margin: 0; font-size: 17px; line-height: 1.4; }
.exam-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 1px 9px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.chip .ico { width: 14px; height: 14px; }
.exam-date { font-size: 13px; color: var(--muted); margin: 0; }
.exam-price { margin: 4px 0 0; font-weight: 800; }
.exam-go { display: inline-flex; align-items: center; gap: 4px; color: var(--brand); font-weight: 700; font-size: 14px; }
.exam-go .ico { width: 18px; height: 18px; }

/* 始め方 */
.lp-steps { background: var(--bg-soft); }
.steps { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 14px; counter-reset: none; }
.steps li { position: relative; padding: 18px 18px 14px 70px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.steps h3 { font-size: 18px; margin-bottom: 4px; }
.steps p { margin: 0; color: var(--muted); }
.step-no { position: absolute; left: 18px; top: 18px; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 999px; background: var(--brand); color: var(--on-brand); font-weight: 800; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }

/* プラン */
.plan-grid { display: grid; gap: 14px; margin-top: 20px; }
.plan { position: relative; padding: 22px 20px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.plan h3 { font-size: 20px; margin-bottom: 4px; }
.plan-price { font-size: 15px; color: var(--muted); }
.plan-price .num { font-size: 30px; font-weight: 800; color: var(--fg); margin-right: 2px; }
.plan p:last-child { margin: 0; }
.plan-top { border: 2px solid var(--brand); }
.plan-flag { position: absolute; top: -12px; right: 16px; background: var(--brand); color: var(--on-brand); font-size: 12px; font-weight: 800; padding: 2px 12px; border-radius: 999px; }
@media (min-width: 860px) { .plan-grid { grid-template-columns: repeat(3, 1fr); } }

/* 法人 */
.corp-box { display: flex; flex-direction: column; gap: 18px; padding: 28px 20px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.corp-ico { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 16px; background: var(--brand-soft); color: var(--brand); flex: none; }
@media (min-width: 760px) { .corp-box { flex-direction: row; padding: 36px; } .lp-corp .wrap.corp-box { max-width: 1048px; } }

/* FAQ */
.faq { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 700; padding: 12px 28px 12px 0; position: relative; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 9px; height: 9px; border-right: 1.6px solid var(--muted); border-bottom: 1.6px solid var(--muted); transform: translateY(-70%) rotate(45deg); transition: transform .15s; }
.faq[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq p { color: var(--muted); }

/* 最後の誘導 */
.lp-final { padding: 48px 0; text-align: center; background: linear-gradient(180deg, transparent, var(--brand-soft)); }
.lp-final h2 { font-size: clamp(22px, 5.6vw, 30px); }

/* ①言語選択 */
.gate { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 16px; background: color-mix(in srgb, var(--bg) 70%, rgba(0, 0, 0, .55)); backdrop-filter: blur(6px); }
.gate[hidden] { display: none; }
.gate-card { width: 100%; max-width: 420px; padding: 28px 22px; border-radius: 22px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); text-align: center; }
.gate-ico { display: inline-grid; place-items: center; width: 60px; height: 60px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); margin-bottom: 10px; }
.gate-card h2 { font-size: 21px; }
.gate-card h2 span { font-size: 16px; color: var(--muted); font-weight: 600; }
.gate-langs { display: grid; gap: 10px; margin: 18px 0 12px; }
.gate-lang { min-height: 54px; border-radius: 14px; border: 1.5px solid var(--line); background: var(--surface-2); font-size: 18px; font-weight: 800; cursor: pointer; }
.gate-lang:hover, .gate-lang:focus-visible { border-color: var(--brand); background: var(--brand-soft); }
.gate-note { color: var(--muted); font-size: 13px; margin: 0; }
body.gate-open { overflow: hidden; }

/* ==== 初回の流れ（start.html）・有効化（welcome.html） ==== */
.flow { padding: 18px 0 40px; }
.flow .wrap { max-width: 760px; }
.flow-progress { display: flex; gap: 6px; margin: 4px 0 18px; padding: 0; list-style: none; }
.flow-progress li { flex: 1; height: 5px; border-radius: 5px; background: var(--line); }
.flow-progress li.done { background: var(--brand); }
.flow-step-label { color: var(--brand); font-weight: 800; font-size: 13px; letter-spacing: .06em; margin: 0 0 4px; }
.flow h1 { font-size: clamp(22px, 6vw, 30px); }
.flow-lead { color: var(--muted); }
.flow-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; margin-top: 22px; }
.flow-actions .btn { flex: 1 1 160px; }
.flow-actions .btn.ghost { flex: 0 1 auto; min-width: 96px; }
.card { padding: 18px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); margin-bottom: 14px; }
.card h2, .card h3 { font-size: 18px; }

/* ③興味のある試験 */
.pick-cat { margin: 18px 0 8px; font-size: 15px; display: flex; align-items: center; gap: 8px; color: var(--muted); }
.pick-cat .ico { width: 20px; height: 20px; color: var(--brand); }
.pick-grid { display: grid; grid-template-columns: 1fr; gap: 8px; }
@media (min-width: 560px) { .pick-grid { grid-template-columns: repeat(2, 1fr); } }
.pick { display: flex; align-items: center; gap: 10px; min-height: 52px; padding: 10px 14px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--surface); cursor: pointer; }
.pick input { width: 20px; height: 20px; accent-color: var(--brand); flex: none; }
.pick:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); }
.pick span small { display: block; color: var(--muted); font-size: 12px; }
.pick-count { position: sticky; bottom: 0; padding: 12px 0; background: linear-gradient(transparent, var(--bg) 30%); }

/* ④チュートリアル */
.tut-slide { text-align: center; }
.tut-ill { display: grid; place-items: center; margin: 8px auto 16px; width: 100%; max-width: 360px; padding: 16px; border-radius: 18px; background: var(--surface-2); border: 1px solid var(--line); }
.tut-ill .ico { width: 44px; height: 44px; color: var(--brand); }
.tut-text { text-align: left; }
.tut-dots { display: flex; justify-content: center; gap: 6px; margin: 14px 0 0; }
.tut-dots span { width: 8px; height: 8px; border-radius: 999px; background: var(--line); }
.tut-dots span.on { background: var(--brand); width: 22px; }
.tut-rows { display: grid; gap: 6px; width: 100%; }
.tut-row { display: flex; justify-content: space-between; gap: 8px; padding: 8px 10px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); font-size: 13px; text-align: left; }
.tut-row em { font-style: normal; color: var(--ng); font-weight: 800; white-space: nowrap; }
.tut-sec { width: 100%; text-align: left; padding: 10px 12px; border-radius: 12px; background: var(--surface); border: 1.5px solid var(--mark); }
.tut-sec-head { display: flex; justify-content: space-between; gap: 8px; align-items: center; font-weight: 800; font-size: 14px; }
.tut-sec i { display: block; height: 7px; border-radius: 7px; background: var(--line); margin-top: 7px; }
.tut-sec i.short { width: 55%; }
.tut-premium { display: inline-block; margin-top: 10px; font-size: 12px; font-weight: 800; color: var(--mark); background: var(--mark-soft); border-radius: 999px; padding: 2px 10px; }

/* お試しの問題 */
.trial { text-align: left; }
.trial-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.trial-q { white-space: pre-wrap; font-weight: 600; }
.trial-opts { display: grid; gap: 8px; margin: 12px 0; padding: 0; list-style: none; }
.trial-opt { width: 100%; text-align: left; display: flex; gap: 10px; align-items: flex-start; min-height: 48px; padding: 10px 12px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--surface); cursor: pointer; }
.trial-opt b { flex: none; display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 999px; background: var(--surface-2); font-family: var(--font-num); }
.trial-opt.correct { border-color: var(--ok); background: var(--ok-soft); }
.trial-opt.wrong { border-color: var(--ng); background: var(--ng-soft); }
.trial-opt[disabled] { cursor: default; }
.trial-result { padding: 12px 14px; border-radius: 12px; background: var(--surface-2); }
.trial-result h4 { margin: 0 0 6px; display: flex; gap: 6px; align-items: center; }
.trial-result.ok h4 { color: var(--ok); }
.trial-result.ng h4 { color: var(--ng); }
.trial-result p { margin: 0 0 8px; }
.trial-result small { color: var(--muted); display: block; }
.trial-nav { display: flex; gap: 10px; justify-content: space-between; margin-top: 12px; }

/* ⑤プラン */
.exam-select { width: 100%; min-height: 48px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface); padding: 8px 12px; }
.tier-list { display: grid; gap: 10px; margin: 14px 0; }
.tier { position: relative; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; padding: 16px; border-radius: var(--radius); border: 1.5px solid var(--line); background: var(--surface); cursor: pointer; }
.tier input { grid-row: span 3; width: 22px; height: 22px; margin-top: 4px; accent-color: var(--brand); }
.tier:has(input:checked) { border-color: var(--brand); background: var(--brand-soft); }
.tier-name { font-weight: 800; font-size: 18px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.tier-price { font-weight: 800; }
.tier-price .num { font-size: 22px; }
.tier-desc { color: var(--muted); font-size: 14px; }
.compare { width: 100%; border-collapse: collapse; font-size: 14px; }
.compare th, .compare td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: center; vertical-align: top; }
.compare th:first-child, .compare td:first-child { text-align: left; }
.compare thead th { font-size: 13px; }
.compare .ico { width: 18px; height: 18px; color: var(--ok); }
.table-wrap { overflow-x: auto; }

/* ⑥アカウント・最終確認 */
.tabs { display: flex; gap: 6px; padding: 4px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); margin-bottom: 16px; }
.tabs button { flex: 1; min-height: 42px; border: 0; border-radius: 999px; background: transparent; font-weight: 700; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--brand); box-shadow: var(--shadow); }
.confirm-list { margin: 0; display: grid; grid-template-columns: 1fr; gap: 2px 14px; }
.confirm-list dt { font-weight: 800; font-size: 14px; color: var(--muted); margin-top: 10px; }
.confirm-list dd { margin: 0; }
@media (min-width: 640px) { .confirm-list { grid-template-columns: 9em 1fr; } .confirm-list dt { margin-top: 0; padding: 8px 0; } .confirm-list dd { padding: 8px 0; border-bottom: 1px solid var(--line); } }
.strong-note { font-weight: 800; color: var(--accent); }
.consents { margin: 16px 0; padding: 4px 14px; border-radius: var(--radius); border: 1.5px solid var(--line); background: var(--surface); }
.consents .check + .check { border-top: 1px solid var(--line); }
.consents small { display: block; color: var(--muted); }
.dev-box { margin-top: 14px; padding: 12px 14px; border: 1.5px dashed var(--mark); border-radius: var(--radius-sm); background: var(--mark-soft); }

/* 有効化・ホーム画面への追加 */
.done-ico { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 999px; margin: 8px auto 12px; background: var(--ok-soft); color: var(--ok); }
.done-ico .ico { width: 40px; height: 40px; }
.done-ico.wait { background: var(--brand-soft); color: var(--brand); }
.howto { display: grid; gap: 10px; counter-reset: howto; padding: 0; list-style: none; }
.howto li { display: flex; gap: 10px; align-items: flex-start; }
.howto li .ico { color: var(--brand); margin-top: 2px; }
.center-text { text-align: center; }

/* ==== サインイン（login.html）・法人（corporate.html）・料金（pricing.html）・規約（legal/*） ==== */
.page { padding: 24px 0 40px; }
.page .wrap { max-width: 820px; }
.page h1 { font-size: clamp(24px, 6.4vw, 32px); }
.auth-box { max-width: 460px; margin: 0 auto; }
.link-btn { border: 0; background: none; color: var(--brand); text-decoration: underline; cursor: pointer; padding: 6px 0; min-height: 40px; }
.price-table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--surface); }
.price-table th, .price-table td { border: 1px solid var(--line); padding: 8px; text-align: center; }
.price-table thead th { background: var(--surface-2); }
.price-table tbody th { text-align: left; font-weight: 600; }
.legal h2 { font-size: 19px; margin-top: 28px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.legal h3 { font-size: 16px; margin-top: 20px; }
.legal ol, .legal ul { padding-left: 1.4em; }
.legal li { margin-bottom: 4px; }
.legal dl dt { font-weight: 800; margin-top: 16px; }
.legal dl dd { margin: 2px 0 0; }
.draft-note { padding: 10px 14px; border-radius: var(--radius-sm); background: var(--mark-soft); color: var(--fg); border: 1px solid color-mix(in srgb, var(--mark) 40%, transparent); font-size: 14px; }
.legal-toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 18px; }
.fig-frame { display: block; width: 100%; height: 460px; margin-top: 8px; border: 1px solid var(--line); border-radius: 12px; color-scheme: light; background: #ffffff; }
/* 図解は端末の明暗で配色を決めるので、下地も端末の設定に合わせる（exam/app.css の .ea-figframe と同じ理由） */
@media (prefers-color-scheme: dark) { .fig-frame { background: #10151c; } }
.trial-opt.picked { border-color: var(--brand); background: var(--brand-soft); }

/* 外部アカウント（Google・Apple・Microsoft）で続けるボタン。ロゴ画像は使わず文字だけ（色は --fg / --line で明暗どちらも読める） */
.social-box { display: grid; gap: 10px; margin-bottom: 16px; }
.social-btn { min-height: 48px; gap: 8px; justify-content: center; text-align: center; white-space: normal; overflow-wrap: anywhere; background: var(--surface); }
.social-btn svg { flex: 0 0 auto; }
.social-note { margin: 0; }
.social-or { display: flex; align-items: center; gap: 12px; margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.social-or::before, .social-or::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ==== 考え方（勉強は、毎日はぐくむもの）と、合計の問題数の強調 ==== */
.lp-tagline { margin: 0 0 12px; font-size: 17px; font-weight: 800; color: var(--brand); letter-spacing: .02em; }
/* スマホ: 小さい 5 つは 3 つ＋2 つで並べる（6 列のうち 2 列ぶん・3 列ぶん） */
@media (max-width: 719px) { .stats-grid { grid-template-columns: repeat(6, 1fr); } .stats-grid .stat:not(.is-main) { grid-column: span 2; } .stats-grid .stat:not(.is-main):nth-child(n+5) { grid-column: span 3; } .stat:not(.is-main) .stat-num { font-size: 26px; } .stat:not(.is-main) .stat-label { font-size: 11px; } }
.stat.is-main { grid-column: 1 / -1; padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.stat.is-main .stat-num { font-size: clamp(56px, 18vw, 96px); letter-spacing: -.02em; }
.stat.is-main .stat-label { font-size: 15px; font-weight: 700; color: var(--fg); }
@media (min-width: 720px) {
  .stats-grid { grid-template-columns: 1.7fr repeat(5, 1fr); align-items: center; }
  .stat.is-main { grid-column: auto; border-bottom: 0; border-right: 1px solid var(--line); margin: 0; padding-bottom: 10px; }
  .stat.is-main .stat-num { font-size: clamp(48px, 6vw, 68px); }
}
.lp-concept { background: var(--brand); color: var(--on-brand); }
.lp-concept .lp-kicker { color: inherit; opacity: .75; }
.lp-concept h2 { color: inherit; }
.lp-concept-lead { font-size: 17px; max-width: 38em; opacity: .92; }
.concept-grid { display: grid; gap: 12px; margin-top: 22px; }
@media (min-width: 760px) { .concept-grid { grid-template-columns: repeat(3, 1fr); } }
.concept { padding: 18px; border-radius: var(--radius); background: color-mix(in srgb, var(--on-brand) 10%, transparent); border: 1px solid color-mix(in srgb, var(--on-brand) 22%, transparent); }
.concept h3 { font-size: 17px; margin: 10px 0 6px; }
.concept p { margin: 0; font-size: 14px; opacity: .9; }
.concept-ico { display: inline-flex; width: 40px; height: 40px; border-radius: 12px; align-items: center; justify-content: center; background: color-mix(in srgb, var(--on-brand) 16%, transparent); }

/* 収録の試験のカードの、試験ごとのロゴ */
.exam-logo { display: block; margin-bottom: 4px; }
.exam-logo .ep-logo { font-size: 19px; }

/* ==== 4 つの強み ==== */
.str-grid { display: grid; gap: 12px; margin-top: 18px; }
@media (min-width: 720px) { .str-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .str-grid { grid-template-columns: repeat(4, 1fr); } }
.str { padding: 18px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.str h3 { font-size: 17px; margin: 10px 0 6px; line-height: 1.45; }
.str p { margin: 0; font-size: 14px; color: var(--muted); }
.str-ico { display: inline-flex; width: 42px; height: 42px; border-radius: 12px; align-items: center; justify-content: center; background: var(--brand-soft); color: var(--brand); }

/* ==== 試験ごとの入口ページ（/exams/<id>。scripts/build-exam-pages.mjs） ==== */
.xp-hero { padding-bottom: 28px; }
.xp-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.xp-head .lp-kicker { margin: 0; }
.xp-logo { display: inline-flex; flex: none; }
.xp-logo svg { height: 44px; width: auto; }
.xp-hero h1 { font-size: clamp(28px, 7.6vw, 46px); }
.xp-hero h1 .num { color: var(--brand); font-size: 1.18em; margin: 0 .06em; }
.xp-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 18px 0; }
.xp-stats .stat { padding: 12px 6px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line); }
.xp-stats .stat-num { font-size: clamp(24px, 6.6vw, 32px); }
@media (min-width: 720px) { .xp-stats { grid-template-columns: repeat(4, 1fr); } }
.xp-try { padding-top: 28px; }
.xp-sample { margin-top: 14px; box-shadow: var(--shadow); }
.xp-sample .trial-result:focus { outline: none; }
.xp-sub { margin: 12px 0 4px; font-size: 13px; color: var(--muted); }
.xp-reasons { margin: 0 0 8px; padding-left: 1.4em; font-size: 14px; display: grid; gap: 4px; }
.xp-reasons li.is-right { color: var(--ok); font-weight: 600; }
.xp-sources { margin: 0 0 14px; padding-left: 1.2em; font-size: 13px; overflow-wrap: anywhere; }
.xp-subjects { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.xp-subjects li { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: baseline; }
.xp-subj-name { font-weight: 700; overflow-wrap: anywhere; }
.xp-subj-n { color: var(--muted); font-size: 14px; white-space: nowrap; }
.xp-bar { grid-column: 1 / -1; height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.xp-bar i { display: block; height: 100%; border-radius: 999px; background: var(--brand); }
.xp-plans { width: 100%; border-collapse: collapse; margin: 12px 0; }
.xp-plans th, .xp-plans td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; }
.xp-plans td:last-child { text-align: right; font-weight: 700; }
.xp-unofficial { margin: 22px auto 0; max-width: 46em; font-size: 11px; color: var(--muted); }

.exam-logo .xl { font-size: 19px; }
.xp-logo .xl { font-size: clamp(17px, 4.8vw, 22px); }
.xp-head { flex-direction: column; align-items: flex-start; gap: 14px; }

.xp-signin { margin: 6px 0 0; font-size: 14px; }

.xp-campaign { padding: 10px 14px; border-radius: var(--radius-sm); background: var(--mark-soft); color: var(--mark); font-weight: 700; font-size: 14px; }

/* 動かせる図解 */
.lp-figs { background: var(--bg-soft); }
.figs-tabs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 18px 0 12px; }
@media (min-width: 760px) { .figs-tabs { grid-template-columns: repeat(4, 1fr); } }
.figs-tab { display: grid; gap: 2px; text-align: left; padding: 10px 12px; border-radius: var(--radius-sm); border: 1.5px solid var(--line); background: var(--surface); color: var(--fg); cursor: pointer; font: inherit; }
.figs-tab b { font-size: 14px; }
.figs-tab small { font-size: 12px; color: var(--muted); }
.figs-tab[aria-selected="true"] { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-soft); }
.figs-frame { display: block; width: 100%; height: 560px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color-scheme: light; box-shadow: var(--shadow); }
@media (max-width: 560px) { .figs-frame { height: 640px; } }

/* アプリの画面の写真 */
.screens { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 6px 2px 14px; margin: 18px -16px 0; padding-inline: 16px; }
.screen { flex: 0 0 72%; max-width: 300px; margin: 0; scroll-snap-align: center; }
@media (min-width: 900px) { .screens { overflow: visible; margin-inline: 0; padding-inline: 0; justify-content: center; } .screen { flex: 0 1 300px; } }
.screen img { display: block; width: 100%; height: auto; border-radius: 26px; border: 6px solid #1f2a24; box-shadow: var(--shadow); background: #fff; }
.screen figcaption { display: grid; gap: 4px; margin-top: 12px; }
.screen figcaption b { font-size: 15px; }
.screen figcaption span { font-size: 13px; color: var(--muted); }

/* パンくず（試験の入口ページ。構造化データ BreadcrumbList と同じ並び） */
.xp-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; margin: 0 0 12px; font-size: 13px; color: var(--muted); }
.xp-crumbs a { color: inherit; }
.xp-crumbs [aria-current] { color: var(--fg, inherit); overflow-wrap: anywhere; }
.catalog-fallback a { color: inherit; }

/* 日本語以外の表示の料金（米ドル。lp.js の renderPlansIntl） */
.plan-price .plan-alt { display: block; margin-top: 4px; font-size: 13px; font-weight: 500; color: var(--muted); line-height: 1.5; }

/* ==== 2026-10-07 新デザインの反映（マーカー見出し・学習の流れ・毎日の例） ==== */
.lp-mark {
  font-style: normal;
  background: linear-gradient(transparent 70%, var(--mark-soft) 70%) no-repeat left center;
  background-size: 0% 100%;
  animation: lp-mark-draw .9s ease-out .5s forwards;
}
@keyframes lp-mark-draw { to { background-size: 100% 100%; } }
@media (prefers-reduced-motion: reduce) { .lp-mark { animation: none; background-size: 100% 100%; } }
.flow-grid { display: grid; gap: 20px; margin-top: 26px; }
@media (min-width: 760px) { .flow-grid { grid-template-columns: repeat(3, 1fr); gap: 28px; } }
.flow { border-top: 2px solid var(--brand); padding-top: 14px; }
.flow-no { margin: 0 0 10px; font-size: 32px; font-weight: 500; color: color-mix(in srgb, var(--brand) 55%, var(--muted)); letter-spacing: .04em; }
.flow h3 { font-size: 17px; margin: 0 0 8px; }
.flow p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.9; }
.rout-ex { margin-top: 14px; padding: 12px 14px; border-radius: var(--radius-sm); background: color-mix(in srgb, var(--on-brand) 14%, transparent); }
.rout-ex span, .rout-ex small { display: block; font-size: 12px; opacity: .85; }
.rout-ex strong { display: block; font-size: 26px; margin: 4px 0; }
.rout-ex strong.word { font-size: 15px; }
.lp-final-lead { color: var(--muted); margin: 10px 0 0; }

/* ==== 海外向け試験ページの信頼ブロック（2026-10-08） ==== */
.xp-trust { list-style: none; padding: 14px 16px; margin: 18px 0 0; display: grid; gap: 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.xp-trust li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.xp-trust .worry-ico { flex: 0 0 auto; }

/* ==== 言語ごとの LP（/en/ /zh/ /ko/ /es/ /pt/。scripts/build-lang-pages.mjs） ==== */
.lp-lang .lp-hero-copy .xp-trust { margin-top: 18px; }
.lang-exams { display: grid; gap: 12px; margin-top: 18px; }
@media (min-width: 720px) { .lang-exams { grid-template-columns: repeat(2, 1fr); } }
.lang-exams .exam-card { display: grid; gap: 6px; align-content: start; }
.lang-exams .exam-card .lp-cta { margin: 8px 0 0; }
.lang-exams .exam-card .lp-note { margin: 0; }
.lang-links a { text-decoration: underline; }

/* ==== 試験の検索（LP・登録の流れ）・先にアカウント（2026-10-08） ==== */
.exam-search, .pick-search { max-width: 520px; margin: 0 0 14px; }
.exam-search input, .pick-search input { width: 100%; min-height: 44px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); padding: 6px 14px; font-size: 16px; color: var(--fg); }
.exam-search input:focus, .pick-search input:focus { outline: 2px solid var(--brand); outline-offset: 1px; }

/* 試験ページ: 概要と勉強法（SEO 用の本文）・関連する試験（2026-10-08） */
.xp-guide h3 { font-size: 18px; margin: 28px 0 8px; }
.xp-guide p { margin: 0 0 12px; line-height: 1.85; color: var(--text); }
.xp-related-list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.xp-related-list a { display: inline-block; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); text-decoration: none; font-size: 14px; }
.xp-related-list a:hover { border-color: var(--accent); }

/* 英語 LP の紹介動画（9:16、2026-10-09）: スマホは縦に、720px 以上は左に説明・右に動画 */
.lp-video-grid { display: grid; gap: 28px; align-items: center; }
.lp-video-points { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
.lp-video-points li { padding-left: 22px; position: relative; line-height: 1.6; }
.lp-video-points li::before { content: ""; position: absolute; left: 0; top: .62em; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.lp-video .lp-cta { margin-top: 20px; }
.lp-video-wrap { width: min(100%, 320px); margin: 0 auto; border-radius: 22px; overflow: hidden; background: #111; box-shadow: 0 12px 32px rgba(0,0,0,.14); }
.lp-video-wrap video { display: block; width: 100%; aspect-ratio: 9 / 16; background: #111; }
@media (min-width: 720px) {
  .lp-video-grid { grid-template-columns: 1fr 320px; gap: 48px; }
  .lp-video-wrap { margin: 0; }
}

/* 言語ごとの LP（/en/ など）: 読みやすさ（2026-10-09 稲木さん指摘。文字を大きく・濃く・行間を広く） */
.lp-lang .lp-eyebrow { font-size: 13px; letter-spacing: .08em; }
.lp-lang .lp-hero h1 { line-height: 1.12; margin-bottom: 20px; }
.lp-lang .lp-tagline { font-size: 20px; line-height: 1.5; margin-bottom: 14px; }
.lp-lang .lp-lead { font-size: 18px; line-height: 1.8; max-width: 38em; color: var(--fg); }
.lp-lang .lp-hero .lp-note { font-size: 14px; line-height: 1.6; color: var(--fg); opacity: .78; }
.lp-lang .xp-trust { padding: 16px 18px; gap: 12px; }
.lp-lang .xp-trust li { font-size: 15px; line-height: 1.55; color: var(--fg); }
.lp-lang .lp-section .lp-note, .lp-lang .lp-section p { line-height: 1.75; }
.lp-lang .steps p, .lp-lang .str p, .lp-lang .faq p { font-size: 15px; color: var(--fg); opacity: .85; }
.lp-lang .stat-label { font-size: 14px; }

/* 日本語 LP の紹介の画像スライド（2026-10-09。動画の代わり） */
.lp-intro h2 { text-align: center; }
.intro-slider { position: relative; margin: 18px auto 0; max-width: 980px; }
.intro-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; gap: 12px; padding: 4px 0 8px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.intro-track::-webkit-scrollbar { display: none; }
.intro-slide { flex: 0 0 100%; margin: 0; scroll-snap-align: center; }
.intro-slide img { display: block; width: 100%; height: auto; border-radius: 18px; box-shadow: 0 10px 30px rgba(0,0,0,.12); background: #fcf8f0; }
.intro-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 92%, transparent); color: var(--fg); font-size: 26px; line-height: 1; cursor: pointer; display: none; }
.intro-nav.prev { left: -8px; } .intro-nav.next { right: -8px; }
@media (min-width: 900px) { .intro-nav { display: grid; place-items: center; } .intro-nav.prev { left: -22px; } .intro-nav.next { right: -22px; } }
.intro-dots { display: flex; justify-content: center; gap: 8px; margin-top: 10px; }
.intro-dots button { width: 10px; height: 10px; border-radius: 50%; border: 0; padding: 0; background: var(--line); cursor: pointer; }
.intro-dots button[aria-selected="true"] { background: var(--brand); transform: scale(1.25); }
html:not([lang="ja"]) [data-lang-only="ja"] { display: none; }
html[lang="ja"] [data-lang-only="intl"] { display: none; }

/* IELTS スピーキングのお試し 1 問（speaking.js。お試し 10 問を解き終えた画面の下） */
.sp { margin-top: 16px; display: grid; gap: 12px; text-align: left; }
.sp h3 { margin: 0; }
.sp .chip { justify-self: start; margin: 0; }
.sp-card { border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: 12px 14px; }
.sp-card ul { margin: 4px 0 0; padding-left: 1.2em; }
.sp-part { margin: 0 0 4px; font-size: .8rem; color: var(--muted); font-weight: 700; letter-spacing: .02em; }
.sp-prompt { margin: 0 0 6px; font-weight: 700; }
.sp-say { margin: 0; color: var(--muted); font-size: .9rem; }
.sp-timer { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--brand-soft); }
.sp-timer.rec { background: var(--ng-soft); }
.sp-timer.rec span::before { content: ""; display: inline-block; width: .6em; height: .6em; margin-right: .4em; border-radius: 50%; background: var(--ng); animation: sp-blink 1s infinite; }
.sp-timer b { font-size: 1.6rem; }
@keyframes sp-blink { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .sp-timer.rec span::before { animation: none; } }
.sp-sending { margin: 0; padding: 16px; text-align: center; color: var(--muted); }
.sp-overall { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--brand); color: var(--on-brand); }
.sp-overall b { font-size: 2rem; }
.sp-crit { border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.sp-crit-head { display: flex; justify-content: space-between; gap: 8px; font-weight: 700; }
.sp-crit p { margin: 4px 0 0; font-size: .92rem; }
.sp h4 { margin: 4px 0 0; }
.sp ul { margin: 4px 0 0; padding-left: 1.2em; }
.sp-better { white-space: pre-wrap; margin: 6px 0 0; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--surface-2); font-size: .92rem; }
.sp-direct { padding-top: 16px; }
.sp-direct .sp { margin-top: 0; }

/* LP・試験ページのスピーキングの紹介（AI の採点の見本つき） */
.lp-speak-grid { display: grid; gap: 24px; align-items: center; }
@media (min-width: 860px) { .lp-speak-grid { grid-template-columns: 1fr 1fr; } }
.lp-speak-points { margin: 12px 0 0; padding-left: 1.2em; display: grid; gap: 6px; }
.lp-speak-mock { border: 1.5px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 16px; display: grid; gap: 10px; box-shadow: var(--shadow); }
.lp-speak-mock .sp-overall b { font-size: 1.8rem; }
.lp-speak-mock .sp-crit:last-of-type { border-bottom: 0; }
.lp-speak-mock small { color: var(--muted); }
/* 「Made in Japan」の印（海外向けの LP・海外の試験ページ。2026-10-10）。小さな丸い札。富士山の線の SVG は currentColor */
.mij-badge { display: inline-flex; align-items: center; gap: 6px; margin: 0 0 14px; padding: 4px 12px 4px 9px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--fg); font-size: 13px; font-weight: 700; letter-spacing: .02em; line-height: 1.4; }
.mij-badge svg { width: 18px; height: 18px; flex: none; color: var(--accent); }
.xp-hero .mij-badge { margin-top: 2px; }
/* 日本生まれの売り文句（2026-10-10 稲木さん「日本発を見出し級に」）。印の直下に見出し級の一言と、実際の数の添え書き */
.mij-head { margin: 0 0 6px; font-size: clamp(19px, 5vw, 24px); font-weight: 800; line-height: 1.35; color: var(--fg); letter-spacing: .01em; }
.mij-sub { margin: 0 0 16px; font-size: 14px; line-height: 1.6; color: var(--muted); max-width: 40em; }
.xp-hero .mij-head { font-size: clamp(17px, 4.6vw, 21px); }
/* 「日本品質」の信頼の帯の最初の一言（xp-trust の上） */
.xp-trust-lead { margin: 18px 0 0; font-size: 14px; font-weight: 800; color: var(--fg); letter-spacing: .02em; }
.xp-trust-lead + .xp-trust { margin-top: 8px; }
.lp-lang .xp-trust-lead { font-size: 15px; }
.lp-lang .lp-hero-copy .xp-trust-lead + .xp-trust { margin-top: 8px; }

/* 試験の LP: 学び方（解説・要点集・間違えた問題と要点集の結びつき。2026-10-12） */
.xp-learn-grid { display: grid; gap: 12px; margin-top: 16px; }
@media (min-width: 720px) { .xp-learn-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } }
.xp-flow { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 0; margin: 14px 0 0; counter-reset: flow; }
.xp-flow li { counter-increment: flow; display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); font-weight: 700; font-size: .92rem; }
.xp-flow li::before { content: counter(flow); font-family: var(--font-num, inherit); opacity: .7; }
.xp-flow li:not(:last-child) { margin-right: 18px; position: relative; }
.xp-flow li:not(:last-child)::after { content: "→"; position: absolute; right: -16px; color: var(--muted); font-weight: 400; }
/* 試験の概要の表・箇条書き */
.xp-guide-list { margin: 8px 0 14px; padding-left: 1.2em; }
.xp-guide-list li { margin: 4px 0; }
.xp-table-wrap { overflow-x: auto; margin: 8px 0 16px; }
.xp-guide-table { border-collapse: collapse; width: 100%; min-width: 320px; font-size: .95rem; }
.xp-guide-table caption { text-align: left; font-weight: 700; padding-bottom: 6px; }
.xp-guide-table th, .xp-guide-table td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.xp-guide-table thead th { background: var(--brand-soft); color: var(--brand); }
@media (max-width: 600px) {
  .xp-guide-table, .xp-guide-table tbody, .xp-guide-table tr, .xp-guide-table th, .xp-guide-table td { display: block; min-width: 0; }
  .xp-guide-table thead { display: none; }
  .xp-guide-table tr { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin-bottom: 10px; }
  .xp-guide-table th, .xp-guide-table td { border: 0; padding: 3px 0; }
  .xp-guide-table tbody th { font-size: 1.02rem; color: var(--brand); }
  .xp-guide-table td::before { content: attr(data-label) "："; color: var(--muted); font-size: .88rem; }
}

/* 合い言葉「多くのアウトプットが合格への近道！」（2026-10-13。LP の要所に置く） */
.lp-motto { margin: 14px 0; font-size: clamp(16px, 4.4vw, 19px); font-weight: 800; color: var(--brand); line-height: 1.5; }
.lp-motto span { background: linear-gradient(transparent 62%, color-mix(in srgb, var(--accent) 28%, transparent) 62%); padding: 0 2px; }
.lp-final .lp-motto { margin: 0 0 10px; }

/* 見出しの下の副題（2026-10-13 稲木さん指示: 旧見出しを副題に下げ、新しい題を上に） */
.lp-subtitle { margin: -6px 0 12px; font-size: clamp(19px, 5vw, 26px); font-weight: 800; line-height: 1.4; letter-spacing: .01em; }
.lp-lang .lp-subtitle { font-size: clamp(20px, 5.2vw, 28px); }

/* 営業のスライドショー（2026-10-13。動画をやめて 7 枚の画像を横にめくる。lang-page.js が進む・戻る・点を動かす） */
.lp-slides { width: 100%; max-width: 560px; margin: 0 auto; }
.lp-slides-track { list-style: none; margin: 0; padding: 0; display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; border-radius: 16px; box-shadow: 0 12px 32px rgba(0,0,0,.14); background: #111; }
.lp-slides-track::-webkit-scrollbar { display: none; }
.lp-slides-track li { flex: 0 0 100%; scroll-snap-align: start; }
.lp-slides-track img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; }
.lp-slides-nav { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 10px; }
.lp-slides-btn { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--fg); font-size: 22px; line-height: 1; cursor: pointer; }
.lp-slides-dots { display: flex; gap: 8px; }
.lp-slides-dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: var(--line); cursor: pointer; }
.lp-slides-dots button[aria-current="true"] { background: var(--brand); transform: scale(1.3); }
@media (min-width: 800px) { .lp-video-grid .lp-slides { margin: 0; } }

/* 単元ページ（2026-10-13。見本 2 問と単元の一覧） */
.xp-unit-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.xp-unit-list li { display: flex; justify-content: space-between; gap: 10px; padding: 10px 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.xp-unit-list .num { color: var(--muted); font-size: 13px; }
.xp-unit-q { margin: 14px 0; padding: 14px 16px; }
.xp-unit-q > summary { cursor: pointer; font-weight: 700; display: flex; gap: 10px; align-items: center; }
.xp-unit-no { color: var(--brand); }
.xp-unit-topic { font-weight: 600; color: var(--muted); font-size: 13px; }
.xp-unit-passage { white-space: pre-wrap; background: var(--bg-soft); padding: 10px 12px; border-radius: var(--radius-sm); font-size: 14px; }
.xp-unit-text { margin: 12px 0 8px; }
.xp-unit-opts { margin: 0 0 10px; padding-left: 26px; }
.xp-unit-ans > summary { cursor: pointer; color: var(--brand); font-weight: 700; }

/* 2 つ目のスライドショー（営業スライド）: 画像を左、文を右。狭い画面では文が先 */
.lp-video-alt .lp-video-grid { direction: ltr; }
@media (max-width: 799px) { .lp-video-alt .lp-video-grid { display: flex; flex-direction: column-reverse; } }
@media (min-width: 800px) { .lp-video-grid { grid-template-columns: 1fr 1fr; } }