/* System fonts only. No font files are shipped or downloaded.
   Type: 14 / 15 / 17 / 18 / 20 / 28 / clamp for titles.
   Color: ink #10182b, text #172033, muted #5c6b82 on light surfaces, blue #2a62d8.
   On navy, text is #fff or #d5deee. Muted is not used on navy.
   Width: 1120. 1100 collapses the menu and 4 columns into 2.
   860 stacks the hero, contact, and footer. 720 stacks the rest. */

:root {
  --navy: #10182b;
  --navy-2: #17233c;
  --blue: #2a62d8;
  --blue-d: #1d4eaf;
  --ink: #172033;
  --muted: #5c6b82;
  --line: #e1e7f0;
  --paper: #f3f6fb;
  --card: #ffffff;
  --soft: #e8f0ff;
  --on-navy: #d5deee;
  --on-navy-soft: #b7c7ee;
  --danger-bg: #fff4f0;
  --danger-line: #f0c2b4;
  --danger-ink: #8a341c;
  --sans: "Segoe UI Variable", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --max: 1120px;
  --text-xs: 0.875rem;
  --text-sm: 0.875rem;
  --text-nav: 0.9375rem;
  --text-base: 1.0625rem;
  --text-lead: 1.125rem;
  --text-h3: 1.2rem;
  --text-h2: clamp(1.55rem, 2.2vw, 1.85rem);
  --text-h1: clamp(1.85rem, 3vw, 2.55rem);
  --text-hero: clamp(2.2rem, 3.6vw, 3.05rem);
  --space-section: 4.75rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(42, 98, 216, 0.08), transparent 55%),
    var(--paper);
  font-family: var(--sans);
  font-size: var(--text-base);
  line-height: 1.7;
  overflow-x: clip;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue-d); text-underline-offset: 0.18em; }
a:hover { color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
::selection { background: #d5e4ff; color: var(--ink); }
.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  background: #fff;
  color: var(--ink);
  padding: 8px 12px;
  z-index: 30;
}
.skip:focus { top: 12px; }

.nav-check {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 72px;
  padding: 12px 4vw;
  background: rgba(10, 16, 30, 0.86);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(16px);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(142, 182, 255, 0.85), transparent);
  pointer-events: none;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.brand span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav { display: flex; gap: 6px; align-items: center; margin-left: auto; }
.nav a {
  color: var(--on-navy);
  text-decoration: none;
  font-size: var(--text-nav);
  padding: 8px 12px;
  border-radius: 999px;
}
.nav a[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, 0.1); }
.nav-cta {
  color: #fff !important;
  background: linear-gradient(180deg, #3c78ea, var(--blue));
  border-radius: 999px;
  padding: 8px 16px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  box-shadow: 0 8px 18px rgba(42, 98, 216, 0.35);
}
.lang {
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 8px 12px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
}
.nav-toggle { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(720px 420px at 82% 18%, rgba(61, 126, 255, 0.42), transparent 62%),
    radial-gradient(480px 280px at 8% 100%, rgba(80, 180, 255, 0.16), transparent 70%),
    linear-gradient(180deg, #0d1528 0%, #10182b 70%, #152038 100%);
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 72% 42%, #000 12%, transparent 70%);
  pointer-events: none;
}
.hero-grid, .wrap { width: min(var(--max), calc(100% - 8vw)); margin: 0 auto; }
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  padding: 76px 0 84px;
}
.kicker { margin: 0 0 8px; color: var(--on-navy-soft); letter-spacing: 0.08em; font-size: var(--text-sm); }
.hero .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 6px 12px 6px 10px;
  border: 1px solid rgba(183, 199, 238, 0.35);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: #d5e2ff;
  letter-spacing: 0.04em;
  font-size: 0.8125rem;
}
.hero .kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #5ee0b5;
  box-shadow: 0 0 0 4px rgba(94, 224, 181, 0.16);
}
h1 { font-size: var(--text-h1); line-height: 1.2; margin: 0 0 16px; font-weight: 720; letter-spacing: -0.03em; text-wrap: balance; }
.hero h1 { font-size: var(--text-hero); max-width: 7.6em; text-wrap: wrap; }
html[lang="en"] .hero h1 { max-width: 16em; text-wrap: balance; }
.lede { margin: 0 0 24px; color: var(--muted); font-size: var(--text-lead); }
.hero .lede { color: var(--on-navy); max-width: 38rem; font-size: 1.125rem; }
.lede:empty { display: none; }
.inline-form { display: inline; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  background: linear-gradient(180deg, #3c78ea, var(--blue));
  color: #fff;
  text-decoration: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(42, 98, 216, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.btn.secondary { background: transparent; color: var(--blue-d); border: 1px solid var(--line); box-shadow: none; }
.hero-art { justify-self: end; position: relative; }
.hero-art img {
  width: min(100%, 540px);
  height: auto;
  border-radius: 28px;
  background:
    radial-gradient(420px 220px at 70% 30%, rgba(61, 126, 255, 0.28), transparent 60%),
    rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.hero-art::before,
.hero-art::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid #9eb6ee;
  pointer-events: none;
  z-index: 1;
}
.hero-art::before { top: -6px; left: -6px; border-right: 0; border-bottom: 0; }
.hero-art::after { right: -6px; bottom: -6px; border-left: 0; border-top: 0; }

.section { padding: var(--space-section) 0; }
.section.flush { padding-top: 0; }
.process,
.pair { background: #e7eef8; }
.process { padding-bottom: 1.1rem; }
.pair { padding-top: 1.1rem; }
.showcase {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.4), transparent 80px),
    #fff;
}
h2 { font-size: var(--text-h2); line-height: 1.3; margin: 0 0 8px; font-weight: 720; letter-spacing: -0.02em; }
h3 { font-size: var(--text-h3); line-height: 1.4; font-weight: 700; }
.section > .wrap > h2 { margin-bottom: 12px; }
.sub { color: var(--muted); margin: 0 0 26px; max-width: 40rem; }
.cards, .grid-4, .grid-2, .steps { display: grid; gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: 1fr 1fr; }
.steps { grid-template-columns: repeat(4, 1fr); margin-top: 8px; counter-reset: step; }
.card, .step, .panel {
  position: relative;
  background: linear-gradient(180deg, #fff 0%, #fbfcff 100%);
  border: 0;
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 16px 24px -14px rgba(16, 24, 43, 0.16);
}
.step { counter-increment: step; }
.step::before {
  content: counter(step, decimal-leading-zero);
  position: static;
  display: block;
  height: auto;
  margin-bottom: 12px;
  background: none;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  opacity: 1;
}
.card-head { display: flex; align-items: center; gap: 14px; }
.card-head h3 { margin: 0; flex: 1; min-width: 0; font-size: var(--text-h3); }
.step h3 { margin: 0 0 8px; font-size: var(--text-h3); }
.card p, .step p, .panel p { margin: 0; color: var(--muted); }
.card-head + p { margin-top: 14px; }
.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.case {
  background: var(--card);
  border: 1px solid rgba(16, 24, 43, 0.08);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(16, 24, 43, 0.06);
}
.case img { display: block; width: 100%; height: 220px; object-fit: cover; object-position: top; background: #fff; }
.case-body { padding: 18px 20px 20px; }
.case-body h2 { margin: 0 0 8px; font-size: var(--text-h3); letter-spacing: -0.02em; }
.case-body p { margin: 0 0 12px; }
.case-body .meta { color: var(--blue-d); font-weight: 700; letter-spacing: 0.04em; }
.case-points { display: flex; flex-wrap: wrap; gap: 8px; }
.case-points span {
  background: var(--soft);
  color: var(--ink);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: var(--text-sm);
}
.case-body > p:last-child a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid #d5e2ff;
  background: #f4f7ff;
  font-weight: 700;
  text-decoration: none;
}
.card a.title { color: var(--ink); text-decoration: none; }
a.card { display: block; color: inherit; text-decoration: none; }
a.card:hover { border-color: var(--blue); }
.icon {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: linear-gradient(180deg, #f4f7ff, #e5edff);
  border: 1px solid #d5e2ff;
  display: grid;
  place-items: center;
}
.icon img { width: 28px; height: 28px; }

.reading { max-width: 46rem; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}
.article-side {
  position: sticky;
  top: 88px;
}
.side-title { margin: 0 0 8px; font-size: 0.95rem; font-weight: 700; }
.side-item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-weight: 650;
  line-height: 1.45;
}
.side-item:hover { color: var(--blue-d); }
.side-item:first-of-type { border-top: 0; }
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 52px 0 44px;
  color: #fff;
  background:
    radial-gradient(640px 220px at 92% 0%, rgba(61, 126, 255, 0.4), transparent 62%),
    linear-gradient(180deg, #10182b, #182743);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 55%);
  pointer-events: none;
}
.page-hero .wrap { position: relative; }
.page-hero h1 { max-width: 18em; margin-bottom: 12px; }
.page-hero .lede { color: var(--on-navy); max-width: 42rem; margin: 0; }
.page-main { padding-top: 2.75rem; }
.page-body h2 { margin-top: 2.4rem; letter-spacing: -0.02em; }
.page-body > p { max-width: 46rem; }
.page-body ul { margin: 12px 0 18px; padding: 0; list-style: none; }
.page-body li { position: relative; margin: 8px 0; padding-left: 16px; }
.page-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}
.link-cards { margin-top: 28px; }
.crumbs { color: #b7c7ee; font-size: var(--text-sm); margin: 0 0 14px; }
.crumbs a { color: #b7c7ee; text-decoration: none; }
.crumbs a:hover { color: #fff; }
.faq {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  margin: 12px 0;
}
.faq h3 { margin: 0 0 6px; font-size: var(--text-lead); }
.faq p { margin: 0; color: var(--muted); }
.band {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(420px 160px at 100% 0%, rgba(120, 168, 255, 0.4), transparent 60%),
    linear-gradient(135deg, #121a2f, #1b2c4e 58%, #16315c);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 32px 36px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  box-shadow: 0 24px 50px rgba(16, 24, 43, 0.16);
}
.band strong { display: block; margin-bottom: 6px; font-size: var(--text-h3); letter-spacing: -0.02em; }
.band p { margin: 0; color: var(--on-navy); }
.band .btn { background: #fff; color: var(--navy); box-shadow: none; }
.band a { color: #fff; }

.posts { display: grid; gap: 16px; }
.posts-grid { grid-template-columns: 1fr 1fr; }
.post {
  position: relative;
  background: var(--card);
  border: 0;
  border-radius: 18px;
  padding: 20px 20px 18px;
  box-shadow: 0 16px 24px -14px rgba(16, 24, 43, 0.16);
}
.post h2 { margin: 0 0 8px; font-size: var(--text-h3); letter-spacing: -0.02em; }
.post h2 a { color: var(--ink); text-decoration: none; }
.post h2 a:hover { color: var(--blue-d); }
.band-wrap { padding-bottom: 56px; }
.post p { margin: 0 0 8px; color: var(--muted); }
.meta { color: var(--muted); font-size: var(--text-sm); }
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 8px; }
.pager a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; text-decoration: none; }
.pager span { color: var(--muted); }
.more { margin: 22px 0 0; }
.more a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-weight: 700;
  text-decoration: none;
}
.more a::after { content: "→"; }
.article-figure {
  margin: 22px 0 8px;
  background: linear-gradient(180deg, #fff, #f7f9fd);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px;
}
.article-figure img { display: block; width: 100%; height: auto; border-radius: 12px; }
.article-figure figcaption { margin-top: 8px; color: var(--muted); font-size: var(--text-sm); }

form.inquiry {
  display: grid;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  box-shadow: 0 16px 36px rgba(16, 24, 43, 0.05);
}
form.inquiry .btn { justify-self: start; width: auto; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-row label { display: block; margin: 0 0 6px; }
label { font-weight: 650; font-size: 0.95rem; }
input, textarea {
  width: 100%;
  border: 1px solid #d5deea;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: #fbfcff;
  color: var(--ink);
}
form.inquiry input:not([type="hidden"]) { height: 46px; padding: 7px 14px; }
.check-row { display: flex; flex-direction: row-reverse; justify-content: flex-end; align-items: center; gap: 12px; }
.check-row label { margin: 0; white-space: nowrap; }
.check-row input { width: 7rem; flex: 0 0 auto; }
textarea { min-height: 140px; resize: vertical; }
.hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.error {
  background: var(--danger-bg);
  border: 1px solid var(--danger-line);
  color: var(--danger-ink);
  padding: 10px 12px;
  border-radius: 10px;
}
.contact-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 22px; align-items: start; }
.contact-grid aside {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  box-shadow: 0 16px 36px rgba(16, 24, 43, 0.05);
}
.contact-grid aside a { text-decoration: none; font-weight: 650; }
.qr-row { display: flex; gap: 16px; flex-wrap: wrap; }
.qr-row figure { margin: 0; }
.qr-row img { width: 96px; height: auto; background: #fff; border-radius: 8px; }
.contact-grid .qr-row img { width: 120px; }
.qr-row figcaption { font-size: var(--text-xs); color: var(--muted); }

.site-footer {
  background:
    radial-gradient(520px 180px at 0% 0%, rgba(42, 98, 216, 0.28), transparent 62%),
    #0c1220;
  color: var(--on-navy);
  padding: 56px 0 28px;
  margin-top: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 28px; }
.site-footer a { color: #fff; font-size: var(--text-sm); text-decoration: none; }
.site-footer a:hover { color: #d5deee; }
.foot-title { margin: 0 0 12px; color: #fff; font-size: 0.95rem; font-weight: 700; letter-spacing: 0.04em; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 8px 0; }
.site-footer .qr-row figcaption { color: var(--on-navy); }
.legal { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 28px; padding-top: 14px; font-size: var(--text-sm); }

.manage { padding: 28px 4vw 60px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 8px; vertical-align: top; font-size: var(--text-sm); }
.note { color: var(--muted); }

@media (max-width: 1100px) {
  .grid-4, .steps { grid-template-columns: 1fr 1fr; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    min-height: 44px;
    min-width: 44px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    padding: 8px 14px;
  }
  .nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(16, 24, 43, 0.98);
    padding: 8px 4vw 16px;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
  }
  .nav a { min-height: 44px; display: inline-flex; align-items: center; }
  .nav-check:checked ~ .nav {
    visibility: visible;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
}
@media (max-width: 860px) {
  .hero-grid, .contact-grid, .grid-2, .foot-grid, .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; }
  .hero-grid { padding: 48px 0 56px; }
  .hero h1 { max-width: none; }
  .band { flex-direction: column; align-items: flex-start; padding: 28px 22px; }
  .hero-art { justify-self: start; }
}
@media (max-width: 720px) {
  body { font-size: 1rem; }
  .grid-4, .steps, .cases, .field-row, .posts-grid { grid-template-columns: 1fr; }
  .section { padding: 2.75rem 0; }
  .process { padding-bottom: 0.4rem; }
  .pair { padding-top: 0.4rem; }
  h1, .hero h1, .page-hero h1 { font-size: 1.8rem; }
  .hero h1 { max-width: 7.6em; text-wrap: wrap; }
  html[lang="en"] .hero h1 { max-width: none; text-wrap: balance; }
  .page-hero { padding: 36px 0 32px; }
  .hero-art::before, .hero-art::after { display: none; }
}
.site-header { transition: box-shadow 0.2s ease; }
.site-header.is-scrolled { box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28); }
.nav a:not(.nav-cta):not(.lang) {
  transition: color 0.15s ease, background-color 0.15s ease;
}
.nav a:not(.nav-cta):not(.lang):hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.btn, .nav-cta, .lang, .card, a.card, .case, .step, .post, .icon, input, textarea, .nav {
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.2s ease, transform 0.2s ease, opacity 0.2s ease, visibility 0.2s ease;
}
.btn:hover, .nav-cta:hover { background: var(--blue-d); color: #fff; transform: translateY(-1px); }
.band .btn:hover { background: #e7eeff; color: var(--navy); }
.lang:hover { background: rgba(255, 255, 255, 0.08); }
.card:hover, a.card:hover, .case:hover, .step:hover, .post:hover {
  transform: translateY(-3px);
  border-color: #c5d4ee;
  box-shadow: 0 18px 36px rgba(16, 24, 43, 0.1);
}
a.card:hover, .card:hover { border-color: #b9cff5; }
input:focus, textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(42, 98, 216, 0.14);
}
@media (prefers-reduced-motion: no-preference) {
  .hero-art img { animation: float 7s ease-in-out infinite; }
  .grid-4 > .card, .steps > .step { animation: rise 0.45s ease both; }
  .grid-4 > .card:nth-child(2), .steps > .step:nth-child(2) { animation-delay: 0.05s; }
  .grid-4 > .card:nth-child(3), .steps > .step:nth-child(3) { animation-delay: 0.1s; }
  .grid-4 > .card:nth-child(4), .steps > .step:nth-child(4) { animation-delay: 0.15s; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes rise {
  from { opacity: 0; }
  to { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}