/* アプリの Web サイトの見た目（tools/site/build.py が site/assets/ にコピーする） */
:root {
  --bg: #f4f3f1;
  --card: #ffffff;
  --text: #121214;
  --sub: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #007aff;
  --brand: #2a9d72;        /* アプリのアイコンの緑のコイン */
  --brand-2: #5cc7a0;
  --mint: #dff1e8;
  --glass: rgba(255, 255, 255, 0.72);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 32px rgba(0, 0, 0, 0.06);
  --radius: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #141416;
    --text: #f5f5f7;
    --sub: #98989d;
    --line: rgba(255, 255, 255, 0.1);
    --accent: #0a84ff;
    --brand: #3fbf8f;
    --brand-2: #7fe0bb;
    --mint: #0f2a20;
    --glass: rgba(40, 40, 44, 0.72);
    --shadow: 0 0 0 1px rgba(255, 255, 255, 0.06), 0 12px 32px rgba(0, 0, 0, 0.5);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Hiragino Sans", "PingFang SC", "Apple SD Gothic Neo",
        "Segoe UI", Roboto, "Noto Sans", sans-serif;
  overflow-x: clip;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { text-wrap: balance; word-break: auto-phrase; }
p, li { text-wrap: pretty; word-break: auto-phrase; }  /* 日本語などで、言葉の途中や1文字だけで改行しないように */

/* 上のバー（スクロールすると、すりガラスになる） */
.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px max(16px, calc((100% - 1120px) / 2));
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.bar.scrolled, html:not(.js) .bar {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 22.37%; }
.bar nav { display: flex; gap: 20px; font-size: 15px; }
.bar nav a { color: var(--sub); white-space: nowrap; }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

.button {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 999px;
  background: var(--text); color: var(--bg); font-weight: 600; white-space: nowrap;
  transition: transform 0.2s var(--ease), opacity 0.2s;
}
.button:hover { text-decoration: none; opacity: 0.88; transform: translateY(-1px); }
.button.large { padding: 16px 30px; font-size: 18px; }
.button.disabled { background: var(--card); color: var(--sub); border: 1px solid var(--line); box-shadow: var(--shadow); }
.button.disabled:hover { transform: none; opacity: 1; }

.section-title {
  font-size: clamp(32px, 5vw, 52px); line-height: 1.1; letter-spacing: -0.025em;
  text-align: center; margin: 0 auto 16px; max-width: 760px;
}
.section-lead { color: var(--sub); text-align: center; font-size: 19px; max-width: 600px; margin: 0 auto; }

/* MARK: 最初の画面 */
.hero {
  position: relative;
  display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 24px;
  min-height: min(860px, calc(100svh - 60px));
  padding: 48px 0 72px;
}
/* 背景のやわらかい光（ぼかしのフィルターは使わず、ふちが透明になるグラデーションで描く。
   フィルターは動くたびに描き直しになり、iPhone でスクロールがかくつく原因になるため） */
.glow { position: absolute; inset: -120px calc(50% - 50vw) 0; z-index: -1; pointer-events: none; overflow: hidden; }
.glow i { position: absolute; border-radius: 50%; opacity: 0.55; background: radial-gradient(closest-side, var(--c), transparent); }
.glow i:nth-child(1) { --c: var(--brand-2); width: 700px; height: 700px; inset-inline-end: 48%; top: -40px; }
.glow i:nth-child(2) { --c: var(--mint); width: 640px; height: 640px; inset-inline-start: 44%; top: 80px; opacity: 0.9; }
.glow i:nth-child(3) { --c: #9cc8ff; width: 520px; height: 520px; inset-inline-start: 58%; top: 340px; opacity: 0.35; }
@media (prefers-color-scheme: dark) {
  .glow i { opacity: 0.22; }
  .glow i:nth-child(2) { opacity: 0.6; }
}
/* パソコンだけ、光をゆっくり動かす（位置と大きさだけを動かすので、画面の描き直しは起きない） */
@media (hover: hover) and (pointer: fine) {
  .glow i { animation: drift 18s ease-in-out infinite alternate; will-change: transform; }
  .glow i:nth-child(2) { animation-delay: -6s; }
  .glow i:nth-child(3) { animation-delay: -12s; }
}
@keyframes drift {
  to { transform: translate(40px, -30px) scale(1.08); }
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 20px;
  padding: 6px 14px 6px 8px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--sub);
  background: var(--glass); border: 1px solid var(--line);
}
@media (hover: hover) and (pointer: fine) {
  .eyebrow { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
}
.eyebrow img { border-radius: 22.37%; }
.hero h1 {
  font-size: clamp(40px, 4.8vw, 66px); line-height: 1.06; letter-spacing: -0.028em; margin: 0 0 22px; font-weight: 750;
}
.hero h1 span { display: block; }
.tint {
  background: linear-gradient(100deg, var(--brand), var(--brand-2) 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { color: var(--sub); font-size: 19px; max-width: 480px; margin: 0 0 32px; }

/* 3台の iPhone（真ん中が一覧。スクロールすると左右に開き、パソコンではマウスの動きで少し傾く）
   スクロールに合わせた動きは、ブラウザーに任せる（animation-timeline。JavaScript で毎回動かすとかくつくため）。
   対応していないブラウザーでは、開いた形で止まったまま */
.stage { display: flex; justify-content: center; }
.phones {
  --rx: 0deg; --ry: 0deg;
  position: relative; width: clamp(230px, 25vw, 320px); aspect-ratio: 660 / 1228;
}
.ph { position: absolute; inset: 0; }
.ph img { display: block; width: 100%; height: auto; }
.ph.main { z-index: 2; }
.ph.side { z-index: 1; }
.ph.side.start { transform: translateX(-46%) translateY(9%) rotate(-7deg) scale(0.84); }
.ph.side.end   { transform: translateX(46%) translateY(9%) rotate(7deg) scale(0.84); }
[dir="rtl"] .ph.side.start { transform: translateX(46%) translateY(9%) rotate(7deg) scale(0.84); }
[dir="rtl"] .ph.side.end   { transform: translateX(-46%) translateY(9%) rotate(-7deg) scale(0.84); }
@supports (animation-timeline: scroll()) {
  .ph { animation: linear both; animation-timeline: scroll(root); animation-range: 0 70vh; }
  .ph.main { animation-name: lift; }
  .ph.side.start { animation-name: spread-start; }
  .ph.side.end { animation-name: spread-end; }
  [dir="rtl"] .ph.side.start { animation-name: spread-end; }
  [dir="rtl"] .ph.side.end { animation-name: spread-start; }
}
@keyframes lift { to { transform: translateY(-24px); } }
@keyframes spread-start { to { transform: translateX(calc(-46% - 40px)) translateY(9%) rotate(-11deg) scale(0.84); } }
@keyframes spread-end { to { transform: translateX(calc(46% + 40px)) translateY(9%) rotate(11deg) scale(0.84); } }
/* パソコンだけ：マウスの動きで少し傾ける（script.js が --rx・--ry を変える） */
@media (hover: hover) and (pointer: fine) {
  .stage { perspective: 1400px; }
  .phones { transform: rotateX(var(--rx)) rotateY(var(--ry)); will-change: transform; }
}

/* 最初に開いたとき：下から浮かび上がる（真ん中 → 左右の順） */
.js .ph img { animation: rise 1.1s var(--ease) both; }
.js .ph.side img { animation-delay: 0.25s; }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(0.92); } }
@keyframes rise {
  from { opacity: 0; transform: translateY(80px) scale(0.96); }
}

.notif {
  display: flex; gap: 12px; align-items: flex-start; text-align: start;
  padding: 12px 14px; border-radius: 22px; background: var(--glass);
  border: 1px solid var(--line); box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
}
.notif img { border-radius: 22.37%; flex: none; }
.notif p { margin: 0; line-height: 1.3; }
.notif-app { font-size: 12px; color: var(--sub); text-transform: uppercase; letter-spacing: 0.02em; }
.notif-title { font-size: 15px; font-weight: 600; margin-top: 2px !important; }
.notif-body { font-size: 14px; color: var(--sub); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* MARK: 数字 */
.stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; text-align: center;
  padding: 24px 0 96px;
}
.stats b { display: block; font-size: clamp(40px, 6vw, 64px); letter-spacing: -0.04em; line-height: 1.1; }
.stats span { color: var(--sub); font-size: 16px; }

/* MARK: 機能のカード（大きさの違うカードを組み合わせる） */
.features { padding-bottom: 96px; }
.features .section-title { margin-bottom: 48px; }
.bento {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.card {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 32px; display: flex; flex-direction: column; gap: 24px;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.card h3 { font-size: clamp(24px, 2.4vw, 30px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 10px; }
.card p { color: var(--sub); margin: 0; }
.card.list { grid-row: span 2; }
.card.reminders { grid-column: span 2; display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; }

/* カードの中の iPhone（上の部分だけ見せ、マウスを乗せると少し上がる） */
.crop { margin: 0 -32px -32px; flex: 1; min-height: 300px; position: relative; overflow: hidden;
        -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent); mask-image: linear-gradient(to bottom, #000 70%, transparent); }
.crop img {
  position: absolute; left: 50%; top: 0; width: min(82%, 340px); transform: translateX(-50%);
  transition: transform 0.7s var(--ease);
}
.card.list .crop { min-height: 520px; }
.card.list .crop img { width: min(90%, 380px); }
@media (hover: hover) {
  .card:hover { transform: translateY(-4px); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 24px 48px rgba(0, 0, 0, 0.1); }
  .card:hover .crop img { transform: translateX(-50%) translateY(-24px); }
}

/* 通知のカード */
.stack { display: flex; flex-direction: column; gap: 10px; }
.stack .notif { background: var(--bg); backdrop-filter: none; -webkit-backdrop-filter: none; box-shadow: none; }
.js .card.reminders .notif { opacity: 0; transform: translateY(20px) scale(0.97); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.js .card.reminders.in .notif { opacity: 1; transform: none; }
.js .card.reminders.in .notif:nth-child(1) { transition-delay: 0.35s; }
.js .card.reminders.in .notif:nth-child(2) { transition-delay: 0.6s; }

/* 検索の例（文字を打つ → 候補が出る、をくり返す） */
.search { margin-top: auto; }
.search-field {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 14px;
  background: var(--bg); font-size: 17px; min-height: 46px;
}
.search-field svg { width: 18px; height: 18px; flex: none; fill: none; stroke: var(--sub); stroke-width: 2.4; stroke-linecap: round; }
.search-field .typed:empty + .caret + .placeholder { display: inline; }
.placeholder { display: none; color: var(--sub); margin-inline-start: -2px; }
.caret { width: 2px; height: 22px; background: var(--accent); border-radius: 1px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.results { list-style: none; margin: 8px 0 0; padding: 0; min-height: 168px; }
.results li {
  display: flex; align-items: center; gap: 12px; padding: 8px 6px; border-bottom: 1px solid var(--line);
  animation: pop 0.45s var(--ease) both;
}
.results li:nth-child(2) { animation-delay: 0.06s; }
.results li:nth-child(3) { animation-delay: 0.12s; }
.results li:last-child { border-bottom: 0; }
.results img { border-radius: 50%; flex: none; background: #fff; box-shadow: 0 0 0 1px var(--line); }
.results b { font-weight: 700; }

/* 通貨の記号が流れる */
.marquee {
  margin: auto -32px 0; display: flex; flex-direction: column; gap: 10px; overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
}
.track { display: flex; gap: 10px; width: max-content; animation: slide 40s linear infinite; }
.track.reverse { animation-direction: reverse; animation-duration: 46s; }
.track span {
  display: grid; place-items: center; min-width: 56px; height: 56px; padding: 0 14px; border-radius: 18px;
  background: var(--bg); font-size: 22px; font-weight: 600;
}
.track:first-child span:nth-child(3n + 1) { background: var(--mint); color: var(--brand); }
@keyframes slide { to { transform: translateX(-50%); } }
[dir="rtl"] .track { animation-name: slide-rtl; }
@keyframes slide-rtl { to { transform: translateX(50%); } }

/* プライバシーのカード（暗い色にして目立たせる） */
.card.privacy { background: #121214; color: #f5f5f7; justify-content: space-between; }
.card.privacy .checks li { color: #f5f5f7; border-color: rgba(255, 255, 255, 0.12); }
@media (prefers-color-scheme: dark) {
  .card.privacy { background: linear-gradient(160deg, #13261e, #0b0b0d 70%); }
}
.lock { width: 72px; height: 72px; fill: var(--brand-2); stroke: var(--brand-2); }
.js .card.privacy .lock path { transform-origin: 32px 28px; transition: transform 0.6s var(--ease) 0.5s; transform: translateY(-5px); }
.js .card.privacy.in .lock path { transform: none; }

.checks { list-style: none; padding: 0; margin: 0; }
.checks li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.checks li:last-child { border-bottom: 0; }
.checks li::before { content: "✓"; color: var(--brand); font-weight: 700; margin-inline-end: 12px; }
.card.privacy .checks li::before { color: var(--brand-2); }

/* MARK: 料金 */
.pricing { padding: 32px 0 96px; }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 760px; margin: 40px auto 0; }
.plan { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px 32px; }
.plan h3 { font-size: 24px; margin: 0 0 8px; letter-spacing: -0.02em; }
.plan.premium { background: linear-gradient(150deg, var(--brand), #1f7a5a); color: #fff; }
.plan.premium .checks li { border-color: rgba(255, 255, 255, 0.2); }
.plan.premium .checks li::before { color: #fff; }

/* MARK: よくある質問 */
.faq { padding-bottom: 96px; }
.faq-list { max-width: 760px; margin: 40px auto 0; }
.more { text-align: center; margin: 24px 0 0; }
.more span { display: inline-block; }
[dir="rtl"] .more span { transform: scaleX(-1); }
details {
  background: var(--card); border-radius: 20px; padding: 0 24px; margin: 10px 0;
  border: 1px solid var(--line);
}
summary {
  cursor: pointer; font-weight: 600; padding: 18px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; flex: none; font-size: 24px; font-weight: 400; color: var(--sub); line-height: 1;
  transition: transform 0.3s var(--ease);
}
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0 0 18px; color: var(--sub); }
details[open] p { animation: open 0.4s var(--ease); }
@keyframes open { from { opacity: 0; transform: translateY(-6px); } }

/* MARK: 最後のお誘い */
.cta {
  text-align: center; padding: 72px 24px; border-radius: 40px; margin-bottom: 24px;
  background: radial-gradient(120% 120% at 50% 0%, var(--mint), var(--card) 60%);
  box-shadow: var(--shadow);
}
.cta img { border-radius: 22.37%; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.16); }
.cta h2 { font-size: clamp(32px, 5vw, 52px); line-height: 1.08; letter-spacing: -0.03em; margin: 28px auto 12px; max-width: 720px; }
.cta p { color: var(--sub); max-width: 520px; margin: 0 auto 32px; }

/* スクロールで、ふわっと出てくる（JavaScript が使えないときは最初から見える） */
.js .reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--delay, 0s);
}
.js .reveal.in { opacity: 1; transform: none; }
.js .card.reveal.in { transition: opacity 0.9s var(--ease), transform 0.5s var(--ease), box-shadow 0.5s var(--ease); }
/* パソコンだけ、ぼかしから浮かび上がらせる（ぼかしは重いので、iPhone では使わない） */
@media (hover: hover) and (pointer: fine) {
  .js .reveal { filter: blur(6px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), filter 0.9s var(--ease); transition-delay: var(--delay, 0s); }
  .js .reveal.in { filter: none; }
  .js .card.reveal.in { transition: opacity 0.9s var(--ease), transform 0.5s var(--ease), box-shadow 0.5s var(--ease), filter 0.9s var(--ease); }
}

/* 文章のページ（サポート・プライバシーポリシー） */
.doc { max-width: 720px; margin: 0 auto; padding: 48px 0 24px; }
.doc h1 { font-size: clamp(32px, 5vw, 44px); line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 24px; }
.doc h2 { font-size: 24px; margin: 40px 0 12px; }
.doc h3 { font-size: 19px; margin: 28px 0 8px; }
.doc ul { padding-inline-start: 1.3em; }
.doc li { margin: 4px 0; }

footer {
  max-width: 1120px; margin: 48px auto 0; padding: 32px 16px 48px;
  border-top: 1px solid var(--line); color: var(--sub); font-size: 14px; text-align: center;
}
footer p { margin: 8px 0; }
footer .small { font-size: 13px; }
.language select {
  margin-inline-start: 8px; font: inherit; color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: 4px 8px;
}

/* MARK: 画面の幅ごと */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; text-align: center; min-height: 0; padding-top: 40px; gap: 56px; }
  .hero .lead { margin-inline: auto; }
  .bento { grid-template-columns: 1fr 1fr; }
  .card.list { grid-row: span 2; }
  .card.reminders { grid-column: span 2; }
  .card.privacy { grid-column: span 2; }
}
@media (max-width: 640px) {
  .brand span { display: none; }  /* 狭い画面では、アプリ名を隠してアイコンだけに */
  .hero { gap: 40px; padding-bottom: 48px; }
  .hero h1 { font-size: clamp(30px, 9vw, 40px); }
  .phones { width: 52vw; }
  .stats { padding-bottom: 64px; gap: 8px; }
  .stats span { font-size: 14px; }
  .bento, .plans { grid-template-columns: 1fr; }
  .card.list, .card.reminders, .card.privacy { grid-column: auto; grid-row: auto; }
  .card.reminders { grid-template-columns: 1fr; }
  .card { padding: 26px; }
  .crop, .marquee { margin-inline: -26px; }
  .crop { margin-bottom: -26px; }
  .card.list .crop { min-height: 440px; }
  .features, .pricing, .faq { padding-bottom: 72px; }
  .cta { padding: 56px 20px; border-radius: 32px; }
}

/* 「視差効果を減らす」がオンなら、動かさない */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal, .js .card.reminders .notif { opacity: 1; transform: none; filter: none; }
}