/* ============================================================
   Cloudmax 3 — 日本語ランディング（日本のDTMショップ風・高密度）
   配色は Karanyi Sounds 本家に準拠（ダーク #0b0d10 + アンバー #e6a35a）
   ============================================================ */

:root {
  --bg:        #0b0d10;
  --bg-elev:   #121519;
  --bg-card:   #161a1f;
  --bg-card2:  #1b2027;
  --line:      #2a3138;
  --amber:     #e6a35a;
  --amber-deep:#c47f3a;
  --amber-soft:rgba(230,163,90,.12);
  --red:       #e5614d;     /* 注目・アラート用アクセント */
  --text:      #eceef1;
  --text-muted:#97a0ab;
  --text-dim:  #5c6672;
  --radius:    12px;
  --maxw:      1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
a { color: inherit; text-decoration: none; }
.muted { color: var(--text-muted); }
.small { font-size: 12px; }
mark { background: var(--amber); color: #1a1208; padding: 0 4px; border-radius: 3px; font-weight: 700; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-block; text-align: center;
  background: linear-gradient(135deg, var(--amber), var(--amber-deep));
  color: #1a1208; font-weight: 800; padding: 13px 24px; border-radius: 8px;
  transition: transform .12s ease, box-shadow .12s ease; box-shadow: 0 4px 16px rgba(230,163,90,.22);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(230,163,90,.34); }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-block { display: block; width: 100%; }

/* ---------- 告知バー ---------- */
.announce { background: #07080a; border-bottom: 1px solid var(--line); font-size: 12px; }
.announce-inner { display: flex; align-items: center; gap: 10px; padding: 7px 20px; color: var(--text-muted); flex-wrap: wrap; }
.announce-tag { background: var(--amber); color: #1a1208; font-weight: 700; padding: 1px 8px; border-radius: 4px; }

/* ---------- ヘッダー ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11,13,16,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 58px; }
.brand-logo { height: 24px; width: auto; display: block; }
.nav { display: flex; gap: 20px; margin-left: auto; font-size: 13.5px; }
.nav a { color: var(--text-muted); transition: color .12s; }
.nav a:hover { color: var(--amber); }
.header-inner .btn { margin-left: 12px; }

/* ---------- ヒーロー ---------- */
.hero { background: radial-gradient(800px 460px at 80% -12%, rgba(230,163,90,.16), transparent), var(--bg); border-bottom: 1px solid var(--line); padding-bottom: 22px; }
.hero-grid { display: grid; grid-template-columns: 1fr 360px; gap: 34px; padding: 34px 20px 24px; align-items: start; }
.badge-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.badge { font-size: 11.5px; font-weight: 700; padding: 3px 10px; border-radius: 5px; border: 1px solid var(--line); color: var(--text-muted); background: var(--bg-card); }
.badge-amber { background: var(--amber-soft); border-color: var(--amber-deep); color: var(--amber); }
.hero-main h1 { font-family: "Inter","Noto Sans JP",sans-serif; font-weight: 900; font-size: 52px; line-height: 1.02; letter-spacing: -.02em; margin-bottom: 8px; }
.hero-main h1 small { display: block; font-family: "Noto Sans JP"; font-size: 15px; font-weight: 700; color: var(--text-muted); letter-spacing: .04em; margin-top: 6px; }
.hero-tagline { font-size: 22px; font-weight: 700; margin-bottom: 14px; }
.hero-desc { color: #c2c8d0; font-size: 14.5px; margin-bottom: 16px; }
.hero-bullets { list-style: none; display: grid; gap: 7px; }
.hero-bullets li { position: relative; padding-left: 24px; font-size: 14px; color: #d2d7df; }
.hero-bullets li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--amber); font-weight: 900; }
.hero-bullets strong { color: #fff; }

/* 購入ボックス */
.hero-buybox { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; position: sticky; top: 70px; }
.buybox-img { display: block; width: 100%; height: auto; background: #0e1115; border-bottom: 1px solid var(--line); }
.buybox-body { padding: 16px 16px 18px; }
.rating-line { font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.stars { color: var(--amber); letter-spacing: 1px; font-size: 14px; }
.price-main { font-size: 15px; color: var(--text-muted); margin-bottom: 4px; }
.price-main .yen { font-family: "Inter"; font-size: 30px; font-weight: 900; color: #fff; }
.price-main .tax { font-size: 12px; }
.price-sub { font-size: 11.5px; color: var(--text-dim); margin-top: 2px; }
.price-sub strong { color: var(--amber); }
.price-upgrade { background: var(--amber-soft); border: 1px dashed var(--amber-deep); border-radius: 7px; padding: 7px 10px; font-size: 12.5px; color: #e8c79a; margin: 10px 0 14px; }
.price-upgrade strong { color: var(--amber); font-size: 15px; }
.buybox-meta { list-style: none; margin-top: 12px; display: grid; gap: 5px; }
.buybox-meta li { font-size: 12px; color: var(--text-muted); }

/* 掲載メディア */
.featured-strip { display: flex; align-items: center; gap: 16px; border-top: 1px solid var(--line); padding-top: 18px; margin-top: 4px; }
.featured-label { font-size: 11px; letter-spacing: .1em; color: var(--text-dim); white-space: nowrap; }
.featured-strip img { max-height: 26px; width: auto; opacity: .8; }

/* ---------- セクション共通 ---------- */
.section { padding: 52px 0; }
.section-alt { background: var(--bg-elev); }
.sec-title { font-size: 26px; font-weight: 900; margin-bottom: 8px; display: flex; align-items: center; gap: 12px; letter-spacing: -.01em; }
.sec-title strong { color: var(--amber); }
.sec-bar { width: 5px; height: 26px; background: var(--amber); border-radius: 3px; flex-shrink: 0; }
.sec-lead { color: var(--text-muted); margin-bottom: 26px; font-size: 14px; }
.sec-lead.alert { color: #e8c79a; }

/* ---------- POINT ---------- */
.point-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin: 24px 0 22px; }
.point-card { background: var(--bg-card); border: 1px solid var(--line); border-top: 3px solid var(--amber); border-radius: var(--radius); padding: 22px 20px; }
.point-no { display: inline-block; font-family: "Inter"; font-weight: 800; font-size: 12px; color: var(--amber); background: var(--amber-soft); padding: 2px 9px; border-radius: 5px; margin-bottom: 12px; }
.point-card h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.45; }
.point-card p { font-size: 13.5px; color: var(--text-muted); }

/* こんな方に */
.reco-box { background: var(--amber-soft); border: 1px solid var(--amber-deep); border-radius: var(--radius); padding: 22px 24px; }
.reco-title { font-size: 17px; color: var(--amber); margin-bottom: 12px; }
.reco-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; }
.reco-list li { position: relative; padding-left: 24px; font-size: 14px; }
.reco-list li::before { content: "✓"; position: absolute; left: 0; color: var(--amber); font-weight: 900; }
.reco-list strong { color: #fff; }

/* ---------- 使い方 ---------- */
.usecase-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.usecase { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 18px; position: relative; }
.uc-num { font-family: "Inter"; font-weight: 900; font-size: 26px; color: var(--amber-deep); opacity: .55; }
.usecase h3 { font-size: 16px; margin: 4px 0 8px; }
.usecase p { font-size: 13px; color: var(--text-muted); }

/* ---------- 機能一覧 ---------- */
.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 26px; }
.feat-item { background: var(--bg-card); border: 1px solid var(--line); border-left: 3px solid var(--amber-deep); border-radius: 10px; padding: 16px 18px; }
.feat-item h3 { font-size: 15px; margin-bottom: 6px; display: flex; gap: 8px; align-items: baseline; }
.feat-mark { color: var(--amber); font-size: 11px; }
.feat-item p { font-size: 13px; color: var(--text-muted); }
.feat-item strong { color: var(--text); }

.flow-box { background: linear-gradient(135deg, var(--amber-soft), rgba(230,163,90,.03)); border: 1px solid var(--amber-deep); border-radius: var(--radius); padding: 24px 26px; }
.flow-tag { display: inline-block; background: var(--red); color: #fff; font-size: 11.5px; font-weight: 800; padding: 3px 11px; border-radius: 5px; margin-bottom: 10px; }
.flow-box h3 { font-size: 19px; margin-bottom: 8px; }
.flow-box p { font-size: 14px; color: #d2d7df; }
.flow-box strong { color: var(--amber); }

/* ---------- サウンド・デモ（Dry/Wet） ---------- */
.demo-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.demo-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.demo-name { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 10px; }
.demo-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.demo-btn {
  font-family: inherit; cursor: pointer; font-size: 12.5px; font-weight: 700;
  padding: 8px 6px; border-radius: 7px; border: 1px solid var(--line);
  background: var(--bg-card2); color: var(--text-muted); transition: all .12s;
}
.demo-btn:hover { border-color: var(--text-muted); color: var(--text); }
.demo-btn .ico { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; margin-right: 7px; border-radius: 50%; background: rgba(230,163,90,.18); color: var(--amber); font-size: 8px; line-height: 1; }
.demo-wet { color: var(--amber); border-color: var(--amber-deep); background: var(--amber-soft); }
.demo-wet .ico { background: rgba(230,163,90,.28); }
.demo-btn.playing { background: var(--amber); color: #1a1208; border-color: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }
.demo-btn.playing .ico { background: rgba(26,18,8,.25); color: #1a1208; }
.demo-bar { height: 4px; background: var(--bg-elev); border-radius: 3px; margin-top: 10px; overflow: hidden; }
.demo-bar i { display: block; height: 100%; width: 0%; background: var(--amber); transition: width .1s linear; }

/* ---------- 動画グリッド ---------- */
.video-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.video-card { background: var(--bg-card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.video-wrap { position: relative; line-height: 0; background: #0e1115; }
.video-card video { display: block; width: 100%; aspect-ratio: 16/10; object-fit: cover; background: #0e1115; }
.video-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 60px; height: 60px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(230,163,90,.94); color: #1a1208; font-size: 20px; padding-left: 4px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 22px rgba(0,0,0,.45); transition: transform .12s, opacity .12s;
}
.video-play:hover { transform: translate(-50%,-50%) scale(1.09); }
.video-wrap.playing .video-play { opacity: 0; pointer-events: none; }
.video-card figcaption { padding: 11px 14px; font-size: 13px; font-weight: 700; }

/* ---------- Flow ステップ動画 ---------- */
.flow-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 18px; }
.flow-step { background: rgba(0,0,0,.25); border: 1px solid var(--amber-deep); border-radius: 9px; overflow: hidden; }
.flow-step video { display: block; width: 100%; aspect-ratio: 16/10; object-fit: cover; background: #0e1115; }
.flow-step figcaption { padding: 9px 12px; font-size: 12.5px; color: #d2d7df; }
.flow-step figcaption span { display: inline-block; background: var(--amber); color: #1a1208; font-weight: 800; font-size: 10.5px; padding: 1px 7px; border-radius: 4px; margin-right: 7px; }

/* ---------- 仕様テーブル ---------- */
.specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 14px; }
.spec-table { width: 100%; border-collapse: collapse; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table caption { text-align: left; font-weight: 800; padding: 12px 16px; background: rgba(230,163,90,.1); border-bottom: 1px solid var(--line); color: var(--amber); font-size: 14px; }
.spec-table th, .spec-table td { text-align: left; padding: 10px 16px; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: top; }
.spec-table th { width: 30%; color: var(--text-muted); font-weight: 600; background: var(--bg-card2); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table .note { display: block; color: var(--text-dim); font-size: 11.5px; margin-top: 2px; }
.spec-table a { color: var(--amber); text-decoration: underline; }

/* ---------- レビュー ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.quote { background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px; }
.quote p { font-size: 13.5px; color: #d4d9e1; margin-bottom: 14px; }
.quote footer { display: flex; flex-direction: row; align-items: center; gap: 12px; border-top: 1px solid var(--line); padding-top: 12px; }
.quote .avatar {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), var(--amber-deep));
  color: #1a1208; font-family: "Inter"; font-weight: 800; font-size: 14px; letter-spacing: .02em;
  display: flex; align-items: center; justify-content: center;
}
.quote .q-meta { display: flex; flex-direction: column; min-width: 0; }
.quote footer strong { color: var(--amber); font-size: 13.5px; }
.quote .q-meta span { font-size: 11.5px; color: var(--text-muted); }

/* ---------- 価格・購入 ---------- */
.section-buy { background: var(--bg-elev); }
.buy-box { display: grid; grid-template-columns: 1fr 360px; gap: 28px; background: var(--bg-card); border: 1px solid var(--amber-deep); border-radius: 16px; padding: 30px; align-items: center; }
.buy-left h2 { font-size: 26px; font-weight: 900; margin-bottom: 10px; }
.buy-left p { color: #d2d7df; font-size: 14px; margin-bottom: 14px; }
.buy-trust { list-style: none; display: grid; gap: 6px; }
.buy-trust li { font-size: 13px; color: var(--text-muted); }
.price-card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.pc-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--text-muted); }
.pc-yen { font-family: "Inter"; font-weight: 900; font-size: 24px; color: #fff; }
.pc-yen small { font-size: 11px; font-weight: 500; color: var(--text-muted); }
.pc-up { background: var(--amber-soft); margin: 0 -18px; padding: 10px 18px; border: none; }
.pc-up small { font-size: 11px; }
.pc-yen-up { color: var(--amber); }
.pc-points { text-align: center; font-size: 11.5px; color: var(--amber); margin-top: 12px; }
.price-card .btn { margin-top: 10px; }
.pc-note { text-align: center; font-size: 11px; color: var(--text-dim); margin-top: 8px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; }
.faq details { background: var(--bg-card); border: 1px solid var(--line); border-radius: 9px; padding: 2px 18px; margin-bottom: 9px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 13px 0; list-style: none; display: flex; justify-content: space-between; gap: 14px; font-size: 14px; }
.faq summary::after { content: "＋"; color: var(--amber); font-weight: 900; flex-shrink: 0; }
.faq details[open] summary::after { content: "−"; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { color: var(--text-muted); padding: 0 0 14px; font-size: 13.5px; }

/* ---------- フッター ---------- */
.site-footer { background: #07080a; border-top: 1px solid var(--line); padding-top: 44px; padding-bottom: 80px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; padding-bottom: 30px; }
.footer-logo { height: 22px; width: auto; margin-bottom: 10px; }
.footer-col h4 { font-size: 13px; margin-bottom: 12px; }
.footer-col a { display: block; color: var(--text-muted); font-size: 13px; margin-bottom: 8px; transition: color .12s; }
.footer-col a:hover { color: var(--amber); }
.footer-bottom { border-top: 1px solid var(--line); padding: 18px 20px 0; }

/* ---------- 追従購入バー ---------- */
.sticky-buy { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 60; background: rgba(11,13,16,.96); backdrop-filter: blur(10px); border-top: 1px solid var(--amber-deep); padding: 9px 16px; align-items: center; gap: 12px; }
.sticky-info { display: flex; flex-direction: column; line-height: 1.2; }
.sticky-name { font-size: 12px; color: var(--text-muted); }
.sticky-price { font-family: "Inter"; font-weight: 900; font-size: 18px; }
.sticky-price small { font-size: 10px; font-weight: 500; color: var(--text-muted); }
.sticky-buy .btn { margin-left: auto; padding: 11px 26px; }

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 980px) {
  .hero-grid, .buy-box { grid-template-columns: 1fr; }
  .hero-buybox { position: static; max-width: 420px; }
  .point-grid, .usecase-grid, .quote-grid, .demo-grid, .video-grid { grid-template-columns: repeat(2,1fr); }
  .nav { display: none; }
}
@media (max-width: 680px) {
  .hero-main h1 { font-size: 40px; }
  .hero-tagline { font-size: 18px; }
  .point-grid, .usecase-grid, .quote-grid, .feat-list, .specs-grid, .reco-list, .footer-inner, .demo-grid, .video-grid, .flow-steps { grid-template-columns: 1fr; }
  .header-inner .btn-sm { display: none; }
  .sticky-buy { display: flex; }
  .section { padding: 40px 0; }
  .sec-title { font-size: 22px; }
}