/* 公開サイト。暗色・余白・細い線で静かに、作例と動きで期待させる。スマホ基準。 */
.show-sm { display: inline-grid; } .hide-sm { display: none; }
@media (min-width: 900px) { .show-sm { display: none !important; } .hide-sm { display: inline-flex; } br.hide-sm { display: inline; } }
body.lp { background: var(--paper); }
.lp h1, .lp h2 { font-family: "Shippori Mincho B1", "Noto Serif JP", serif; font-weight: 800; letter-spacing: .01em; }
.lp h3 { font-weight: 700; letter-spacing: .01em; }
.muted { color: var(--ink2); }

/* ナビ */
.nav { position: sticky; top: 0; z-index: 50; padding-top: var(--safe-t); background: rgba(15,15,17,.72); backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2); border-bottom: 1px solid transparent; transition: border-color .3s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-links { display: none; gap: 30px; font-size: 13px; }
.nav-links a, .nav-login { text-decoration: none; color: var(--ink2); transition: color .2s; font-size: 13px; }
.nav-links a:hover, .nav-login:hover { color: var(--ink); }
.nav-cta { display: flex; gap: 14px; align-items: center; }
@media (min-width: 900px) { .nav-links { display: flex; } }
.menu-list { display: grid; margin-bottom: 18px; }
.menu-list a { padding: 15px 2px; font-size: 17px; text-decoration: none; border-bottom: 1px solid var(--line); }

/* 出てくる動き */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ヒーロー */
.hero { padding: 56px 0 24px; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -20% -10% auto; height: 620px; pointer-events: none;
  background: radial-gradient(closest-side, rgba(255,90,31,.12), transparent 70%); filter: blur(10px); }
.eyebrow { font-family: var(--num); font-size: 11px; letter-spacing: .32em; color: var(--ink2); margin: 0 0 22px; }
.hero h1 { font-size: clamp(38px, 10vw, 84px); line-height: 1.22; }
.lead { color: var(--ink2); font-size: clamp(15px, 3.9vw, 17px); line-height: 1.95; margin: 22px auto 30px; max-width: 640px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-cta .btn { min-width: 168px; }
.note-s { font-size: 12px; color: var(--ink3); margin: 16px 0 0; }
.hero-media { position: relative; margin-top: 48px; padding-bottom: 40px; }
.frame { margin: 0; position: relative; border-radius: 18px; overflow: hidden; background: #000; border: 1px solid #2A2A2F;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.8); }
.frame video { width: 100%; height: 100%; object-fit: cover; }
.frame.wide { aspect-ratio: 16/9; width: 100%; max-width: 980px; margin: 0 auto; }
.frame.tall { position: absolute; right: 2%; bottom: 0; width: 26%; max-width: 230px; aspect-ratio: 9/16; border-radius: 16px; border: 4px solid #1b1b1f; }
.frame figcaption { position: absolute; left: 14px; bottom: 12px; right: 120px; font-size: 11px; color: rgba(255,255,255,.75); text-align: left; text-shadow: 0 1px 6px rgba(0,0,0,.7); display: none; }
@media (min-width: 900px) { .frame figcaption { display: block; } .frame.tall { right: calc(50% - 600px); } }
.sound { position: absolute; right: 12px; top: 12px; border: 1px solid rgba(255,255,255,.25); background: rgba(0,0,0,.45); color: #fff; border-radius: 99px;
  font-size: 12px; padding: 7px 12px; cursor: pointer; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.sound.on { background: var(--ivory); color: var(--ivory-ink); }

/* 数字 */
.stats { border-block: 1px solid var(--line); }
.stats-in { display: grid; grid-template-columns: 1fr 1fr; }
.stat { padding: 26px 8px; text-align: center; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat:nth-child(2n) { border-right: 0; } .stat:nth-child(n+3) { border-bottom: 0; }
.stat b { display: flex; align-items: baseline; justify-content: center; gap: 2px; font-size: 40px; font-weight: 800; letter-spacing: -.03em; color: var(--ink); }
.stat b small { font-size: 13px; font-weight: 600; color: var(--ink2); margin-right: 4px; letter-spacing: 0; }
.stat b i { font-style: normal; font-size: 18px; color: var(--accent); margin: 0 6px; }
.stat > span { font-size: 12px; color: var(--ink3); letter-spacing: .04em; }
@media (min-width: 900px) { .stats-in { grid-template-columns: repeat(4, 1fr); } .stat { border-bottom: 0 !important; padding: 34px 8px; } .stat:nth-child(2n) { border-right: 1px solid var(--line); } .stat:last-child { border-right: 0; } .stat b { font-size: 48px; } }

/* セクション */
.sec { padding: 80px 0; }
.line-top { border-top: 1px solid var(--line); }
.head { max-width: 640px; margin-bottom: 40px; }
.kicker { font-family: var(--num); font-size: 11px; font-weight: 600; letter-spacing: .3em; color: var(--accent); margin: 0 0 14px; }
.sec h2 { font-size: clamp(28px, 7vw, 46px); line-height: 1.32; margin-bottom: 16px; }
.head p.muted { line-height: 1.95; margin: 0; }
.narrow { max-width: 760px; } .center { text-align: center; }
@media (min-width: 900px) { .sec { padding: 128px 0; } }

/* スタイル切り替え */
.styler-stage { position: relative; aspect-ratio: 16/9; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); background: #000; }
.styler-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.styler-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.styler-tabs { display: flex; gap: 8px; margin-top: 16px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.styler-tabs::-webkit-scrollbar { display: none; }
.styler-tabs button { flex: none; border: 1px solid var(--line); background: transparent; color: var(--ink2); border-radius: 99px; padding: 10px 18px; font-size: 13px; cursor: pointer; transition: .2s; }
.styler-tabs button.on { background: var(--ivory); color: var(--ivory-ink); border-color: var(--ivory); }
.styler-tabs button small { display: block; font-size: 10px; opacity: .7; }

/* サービス */
.svc-list { display: grid; gap: 14px; }
.svc { border: 1px solid var(--line); border-radius: 18px; padding: 28px 24px; background: linear-gradient(180deg, rgba(255,255,255,.025), transparent); }
.svc-ic { height: 40px; color: var(--ink); margin-bottom: 22px; display: flex; align-items: flex-end; }
.svc-ic svg { height: 100%; width: auto; }
.svc-en { font-family: var(--num); font-size: 11px; letter-spacing: .3em; color: var(--ink3); margin: 0 0 6px; }
.svc h3 { font-family: "Shippori Mincho B1", serif; font-size: 22px; font-weight: 800; margin-bottom: 10px; }
.svc p.muted { font-size: 14px; line-height: 1.9; margin: 0 0 18px; }
.price-s { margin: 0; font-size: 13px; color: var(--ink3); padding-top: 16px; border-top: 1px solid var(--line); }
.price-s b { font-size: 20px; color: var(--ink); font-weight: 800; }
@media (min-width: 900px) { .svc-list { grid-template-columns: repeat(3, 1fr); gap: 18px; } }

/* ナレーション */
.two { display: grid; gap: 36px; align-items: center; }
@media (min-width: 900px) { .two { grid-template-columns: 1fr 1fr; gap: 72px; } }
.voices-lp { display: grid; gap: 10px; }
.vlp { display: flex; align-items: center; gap: 16px; width: 100%; padding: 16px 18px; border-radius: 16px; border: 1px solid var(--line); background: transparent; color: var(--ink); text-align: left; cursor: pointer; transition: border-color .2s, background .2s; }
.vlp:hover { border-color: #3a3a40; }
.vlp b { display: block; font-size: 15px; } .vlp small { display: block; font-size: 12px; color: var(--ink3); }
.vp { width: 42px; height: 42px; flex: none; border-radius: 50%; border: 1px solid #3a3a40; position: relative; }
.vp::before { content: ""; position: absolute; left: 16px; top: 13px; border-left: 12px solid var(--ink); border-top: 8px solid transparent; border-bottom: 8px solid transparent; }
.vlp.playing { border-color: var(--accent); background: var(--accent-soft); }
.vlp.playing .vp::before { left: 14px; top: 14px; width: 4px; height: 14px; border: 0; border-left: 4px solid var(--ink); border-right: 4px solid var(--ink); box-sizing: content-box; width: 6px; }

/* 流れ */
.flow { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.flow li { display: grid; grid-template-columns: 64px 1fr; gap: 10px; padding: 22px 0; border-top: 1px solid var(--line); }
.flow li:last-child { border-bottom: 1px solid var(--line); }
.flow .num { font-size: 13px; letter-spacing: .1em; color: var(--accent); padding-top: 4px; }
.flow h3 { font-size: 18px; margin-bottom: 6px; } .flow p { margin: 0; font-size: 14px; line-height: 1.85; }
@media (min-width: 900px) { .flow { grid-template-columns: repeat(4, 1fr); gap: 28px; } .flow li { grid-template-columns: 1fr; border-bottom: 0 !important; } }

/* できること */
.feat-list { display: grid; margin: 0; }
.feat-list > div { display: grid; gap: 4px; padding: 20px 0; border-top: 1px solid var(--line); }
.feat-list dt { font-weight: 700; font-size: 15px; } .feat-list dd { margin: 0; color: var(--ink2); font-size: 14px; line-height: 1.85; }
@media (min-width: 900px) { .feat-list { grid-template-columns: 1fr 1fr; column-gap: 56px; } .feat-list > div { grid-template-columns: 180px 1fr; } }

/* 料金 */
.price-tabs { margin: 0 0 22px; max-width: 520px; background: var(--card) !important; }
.price-grid { display: grid; gap: 12px; }
.plan { border: 1px solid var(--line); border-radius: 18px; padding: 26px 22px; display: flex; flex-direction: column; gap: 8px; position: relative; }
.plan.best { border-color: #4a4a50; background: linear-gradient(180deg, rgba(255,255,255,.04), transparent); }
.plan .badge { position: absolute; top: 18px; right: 18px; font-size: 11px; color: var(--accent); letter-spacing: .1em; }
.plan h3 { font-size: 15px; color: var(--ink2); font-weight: 600; }
.plan .price { font-family: var(--num); font-size: 38px; font-weight: 800; letter-spacing: -.03em; }
.plan .price small { font-size: 13px; color: var(--ink3); font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 8px 0 18px; display: grid; gap: 8px; font-size: 14px; color: var(--ink2); }
.plan li { padding-left: 18px; position: relative; } .plan li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 1px; background: var(--ink3); }
.plan .btn { margin-top: auto; }
@media (min-width: 900px) { .price-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; } }

details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 22px 34px 22px 0; font-weight: 600; position: relative; font-size: 15px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; border-right: 1.5px solid var(--ink3); border-bottom: 1.5px solid var(--ink3); transform: translateY(-70%) rotate(45deg); transition: transform .25s; }
details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
details p { margin: 0 0 22px; color: var(--ink2); line-height: 1.9; font-size: 14px; }

.cta-end { text-align: center; border-top: 1px solid var(--line); background: radial-gradient(60% 80% at 50% 100%, rgba(255,90,31,.1), transparent); }
.cta-end .btn { margin-top: 10px; min-width: 220px; }
.foot { border-top: 1px solid var(--line); padding: 34px 0 calc(34px + var(--safe-b)); }
.foot-in { display: grid; gap: 16px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 12px; }
.foot nav a { color: var(--ink3); text-decoration: none; }
@media (min-width: 900px) { .foot-in { grid-template-columns: auto 1fr auto; align-items: center; } .foot nav { justify-content: center; } }

/* ログイン */
.auth { min-height: 100svh; display: grid; place-items: center; padding: calc(24px + var(--safe-t)) var(--gut) calc(24px + var(--safe-b)); }
.auth-box { width: 100%; max-width: 380px; }
.auth-box .logo { margin-bottom: 40px; }
.auth-box h1 { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin-bottom: 8px; }
.auth-box > p { font-size: 14px; }
.err { color: var(--warn); font-size: 14px; min-height: 1.4em; margin: 4px 0 10px; }
.doc { max-width: 760px; padding-block: 48px 96px; } .doc h1 { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin-bottom: 24px; } .doc h2 { font-size: 17px; margin: 30px 0 8px; }
.doc p { color: var(--ink2); line-height: 1.9; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; } .doc td, .doc th { border-bottom: 1px solid var(--line); padding: 12px 6px; text-align: left; vertical-align: top; }
.doc th { width: 34%; color: var(--ink3); font-weight: 500; }