:root {
  /* tayorino ブランド（ロゴの #4bcee4 / #3aafdc） */
  --accent: #3aafdc;
  --accent-2: #4bcee4;
  --accent-deep: #008388;
  --accent-soft: #e6fafa;
  --cta: #ec6f00;
  --cta-2: #f59a3c;
  --ink: #1e293b;
  --muted: #5b6676;
  --line: #e2edf0;
  --bg: #f7fcfd;
  --card: #ffffff;
  --radius: 22px;
  --font: "Zen Kaku Gothic New", "Outfit", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
  --font-display: "Outfit", "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.35; margin: 0 0 .6em; letter-spacing: .01em; font-family: var(--font-display); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.container { width: min(1120px, 100% - 40px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 40px); }
.center { text-align: center; }
.sp { display: none; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.eyebrow {
  font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  color: var(--accent-deep); margin-bottom: .8em; font-family: var(--font-display);
}
.eyebrow.light { color: #8ee3f0; }
.grad {
  background: linear-gradient(120deg, var(--accent-2), var(--accent) 45%, var(--accent-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .9em 1.5em; border-radius: 999px; border: 0; cursor: pointer;
  font: 700 1rem var(--font); color: #fff;
  background: linear-gradient(120deg, var(--cta-2), var(--cta));
  box-shadow: 0 10px 24px -10px rgba(236, 111, 0, .7);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 14px 28px -10px rgba(236, 111, 0, .8); }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn-small { padding: .55em 1.1em; font-size: .9rem; }
.btn.wide { width: 100%; margin-top: 8px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .9); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid rgba(0, 0, 0, .04);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 30px; width: auto; }
.nav-links { display: flex; gap: 28px; font-size: .92rem; color: var(--muted); }
.nav-links a:hover { color: var(--ink); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 40px; }
.hero::before {
  content: ""; position: absolute; inset: -30% -10% auto 40%; height: 120%;
  background: radial-gradient(closest-side, rgba(75, 206, 228, .28), transparent 70%);
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; font-family: var(--font); }
.lead { font-size: 1.08rem; color: var(--muted); max-width: 34em; }
.define { font-size: .95rem; max-width: 38em; margin-top: -.2em; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; margin: 0 0 4px; padding: 0; }
.facts div { display: grid; grid-template-columns: 6.2em 1fr; gap: 8px; font-size: .82rem; line-height: 1.55; }
.facts dt { margin: 0; color: var(--muted); font-weight: 700; }
.facts dd { margin: 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 0; margin: 0; list-style: none; font-size: .9rem; color: var(--muted); }
.hero-points li::before { content: "✓"; color: var(--accent-deep); font-weight: 800; margin-right: .4em; }

.hero-visual { position: relative; display: flex; justify-content: center; padding: 20px 0 40px; }
.hero-visual .phone { width: 300px; transform: rotate(2deg); }

/* Device frames */
.phone {
  width: 290px; padding: 10px; border-radius: 48px;
  background: #15161c;
  box-shadow: 0 0 0 1.5px #2c2e38 inset, 0 40px 80px -30px rgba(28, 30, 40, .45), 0 18px 36px -18px rgba(28, 30, 40, .35);
}
.phone img { border-radius: 38px; width: 100%; height: auto; }
.phone.small { width: 230px; }

.watch {
  position: absolute; left: max(0px, calc(50% - 260px)); bottom: 0;
  width: 168px; height: 200px; padding: 12px; border-radius: 46px;
  background: linear-gradient(145deg, #3a3c46, #15161c);
  box-shadow: 0 30px 60px -20px rgba(28, 30, 40, .55);
  transform: rotate(-6deg);
}
.watch::before, .watch::after {
  content: ""; position: absolute; left: 34px; right: 34px; height: 60px; z-index: -1;
  background: linear-gradient(#9adbe8, #5fc3dc); border-radius: 18px;
}
.watch::before { top: -46px; }
.watch::after { bottom: -46px; }
.watch-crown { position: absolute; right: -7px; top: 52px; width: 9px; height: 30px; border-radius: 4px; background: #555865; }
.watch-screen {
  height: 100%; border-radius: 36px; background: #000; color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  font-size: .72rem;
}
.w-status { display: flex; align-items: center; gap: 6px; color: #b9bcc8; }
.w-status .dot { width: 7px; height: 7px; border-radius: 50%; background: #ff453a; animation: pulse 1.6s infinite; }
.w-time { font-size: 1.85rem; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.w-buttons { display: flex; gap: 8px; }
.w-btn { width: 52px; height: 34px; border-radius: 17px; display: grid; place-items: center; background: #2b2c31; }
.w-stop { background: #5c1d1b; position: relative; }
.w-stop::after { content: ""; width: 12px; height: 12px; border-radius: 2px; background: #ff453a; }
.w-mark { color: var(--accent-2); }
.w-foot { display: flex; gap: 10px; color: #8d909c; font-size: .62rem; }
@keyframes pulse { 50% { opacity: .3; } }

/* Stats */
.stats { padding: 24px 0 8px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--card); border-radius: var(--radius); border: 1px solid var(--line);
}
.stats-grid > div { padding: 26px 24px; display: flex; flex-direction: column; gap: 4px; }
.stats-grid > div + div { border-left: 1px solid var(--line); }
.stats-grid strong { font-size: 2.2rem; font-weight: 700; line-height: 1.1; font-family: var(--font-display); color: var(--accent-deep); }
.stats-grid small { font-size: .9rem; margin-left: 2px; color: var(--muted); }
.stats-grid span { font-size: .85rem; color: var(--muted); line-height: 1.6; }

/* Sections */
.section { padding: 110px 0; }

.steps { list-style: none; padding: 0; margin: 56px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; }
.steps p { color: var(--muted); font-size: .95rem; margin: 0; }
.step-num {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 18px;
  font-weight: 700; color: #fff; font-family: var(--font-display); background: linear-gradient(135deg, var(--accent-2), var(--accent));
}

.features { padding-top: 40px; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 60px 0; }
.feature.reverse .feature-copy { order: 2; }
.feature-copy p { color: var(--muted); }
.feature-visual { display: flex; justify-content: center; position: relative; }
.feature-visual::before {
  content: ""; position: absolute; inset: 10% 5%; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(75, 206, 228, .22), transparent);
  z-index: -1;
}
.feature-visual.duo { gap: 0; align-items: flex-end; }
.feature-visual.duo .phone.small { margin-left: -60px; margin-bottom: -30px; }
.rino-orb {
  width: min(320px, 70vw); aspect-ratio: 1; border-radius: 50%;
  background:
    radial-gradient(circle at 32% 26%, rgba(255, 255, 255, .7), transparent 38%),
    conic-gradient(from 0deg, #7fe7f2, #4bcee4, #6c7dff, #a58bff, #ffb8e1, #4bcee4, #7fe7f2);
  box-shadow: 0 30px 80px rgba(91, 108, 240, .35), inset 0 0 0 1px rgba(255, 255, 255, .4);
  filter: saturate(1.1);
  animation: rino-spin 18s linear infinite, rino-breathe 4.5s ease-in-out infinite;
}
@keyframes rino-spin { to { rotate: 360deg; } }
@keyframes rino-breathe { 50% { scale: 1.04; } }

.checks { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 30px; font-size: .95rem; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .4em; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(58, 175, 220, .16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%23008388' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
}
.checks.light li { color: #e7e8ee; }
.checks.light li::before { background-color: rgba(255, 255, 255, .12); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%234bcee4' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }

/* Japanese first */
.jp { background: #fff; border-block: 1px solid var(--line); }
.jp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 48px; }
.jp-card { padding: 28px 24px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); }
.jp-card h3 { color: var(--accent-deep); }
.jp-card p { font-size: .92rem; color: var(--muted); margin: 0; }

/* Privacy */
.privacy { background: var(--ink); color: #fff; }
.privacy p { color: #c3cbd6; }
.privacy-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.flow { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
.flow-box {
  padding: 20px 24px; border-radius: 18px; background: #2c3a4f; display: flex; flex-direction: column; gap: 4px;
}
.flow-box span { font-size: .88rem; color: #b6b9c6; line-height: 1.6; }
.flow-box.main { background: linear-gradient(120deg, var(--accent-deep), var(--accent)); }
.flow-box.main span { color: #e6fafa; }
.flow-box.outline { background: transparent; border: 1.5px dashed #5b5e6e; }
.flow-arrow {
  position: relative; padding: 14px 0 14px 40px; font-size: .8rem; color: #9fa3b3;
}
.flow-arrow::before {
  content: ""; position: absolute; left: 22px; top: 4px; bottom: 4px; border-left: 2px solid #5b5e6e;
}
.flow-arrow.dashed::before { border-left-style: dashed; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.price-card { padding: 36px 32px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.price-card.main { position: relative; border: 2px solid var(--accent); box-shadow: 0 30px 60px -40px rgba(58, 175, 220, .7); }
.launch-badge {
  position: absolute; top: -14px; left: 28px; padding: 4px 14px; border-radius: 999px;
  font-size: .8rem; font-weight: 700; color: #fff; background: var(--cta);
}
.price { font-size: 2.4rem; font-weight: 700; margin: 0 0 8px; line-height: 1.3; font-family: var(--font-display); }
.price .yen { color: var(--cta); }
.price small { display: block; font-size: .85rem; font-weight: 500; color: var(--muted); }
.price .was { font-size: 1.1rem; color: var(--muted); text-decoration: line-through; margin-right: 10px; font-weight: 600; }
.note { margin-top: 18px; font-size: .85rem; color: var(--muted); }

/* FAQ */
.faq { background: #fff; border-top: 1px solid var(--line); }
.faq h2 { margin-bottom: 40px; }
details { border-bottom: 1px solid var(--line); padding: 4px 0; }
summary {
  cursor: pointer; list-style: none; padding: 18px 40px 18px 0; position: relative; font-weight: 700;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; font-weight: 400; color: var(--accent-deep); transition: transform .2s;
}
details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
details p { color: var(--muted); font-size: .95rem; padding-right: 30px; }

/* Final CTA */
.final { text-align: center; background: linear-gradient(180deg, var(--bg), var(--accent-soft)); }
.final-inner { display: flex; flex-direction: column; align-items: center; }
.final-icon { border-radius: 22%; box-shadow: 0 20px 40px -16px rgba(58, 175, 220, .7); margin-bottom: 28px; }
.final p { color: var(--muted); }
.signup { display: flex; gap: 10px; width: min(460px, 100%); margin: 12px 0 10px; }
.signup input {
  flex: 1; min-width: 0; padding: .9em 1.2em; border-radius: 999px; border: 1.5px solid var(--line);
  font: 1rem var(--font); background: #fff;
}
.signup input:focus { outline: none; border-color: var(--accent); }
.tiny { font-size: .78rem; }

/* Inline link */
.text-link { color: var(--accent-deep); font-weight: 700; border-bottom: 1.5px solid rgba(0, 131, 136, .3); }
.text-link:hover { border-bottom-color: var(--accent-deep); }

/* Footer */
.footer { padding: 40px 0; border-top: 1px solid var(--line); font-size: .82rem; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; }
.footer nav { display: flex; gap: 20px; }
.footer p { margin: 0; width: 100%; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .feature, .privacy-inner { grid-template-columns: 1fr; }
  .feature.reverse .feature-copy { order: 0; }
  .feature { gap: 36px; }
  .hero-visual { margin-top: 10px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid > div:nth-child(3) { border-left: 0; }
  .stats-grid > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .jp-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .sp { display: inline; }
  .nav-links { display: none; }
  .hero { padding-top: 40px; }
  .section { padding: 80px 0; }
  .steps, .jp-grid, .pricing { grid-template-columns: 1fr; }
  .hero-visual .phone { width: 250px; }
  .watch { left: 0; transform: rotate(-6deg) scale(.82); transform-origin: bottom left; }
  .feature-visual.duo .phone.small { display: none; }
  .signup { flex-direction: column; }
  .facts { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .w-status .dot { animation: none; }
  .rino-orb { animation: none; }
}