:root {
  --ink: #171418;
  --paper: #fffaf0;
  --cream: #fff0c9;
  --pink: #f994aa;
  --pink-soft: #ffd7e0;
  --blue: #9bdcf0;
  --blue-soft: #e4f7fd;
  --yellow: #ffd76b;
  --mint: #a9e9c8;
  --coral: #ff745e;
  --white: #fff;
  --muted: #665f66;
  --line: 3px solid var(--ink);
  --shadow: 7px 7px 0 var(--ink);
  --radius: 22px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 4px solid var(--coral); outline-offset: 3px; }

.skip-link { position: fixed; left: 16px; top: -80px; z-index: 50; padding: 12px 16px; border: var(--line); border-radius: 12px; background: var(--yellow); font-weight: 900; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: var(--line); background: rgba(255, 250, 240, .96); backdrop-filter: blur(12px); }
.nav-shell { width: min(1120px, calc(100% - 32px)); min-height: 76px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 20px; font-weight: 950; letter-spacing: -.04em; }
.brand img { width: 44px; aspect-ratio: 1; border: 2px solid var(--ink); border-radius: 12px; }
.menu-button { display: none; width: 48px; height: 48px; border: var(--line); border-radius: 14px; background: var(--yellow); font-size: 22px; font-weight: 900; }
.site-nav { display: flex; align-items: center; gap: 24px; }
.site-nav a { padding: 10px 4px; text-decoration: none; font-weight: 850; }
.site-nav a:hover { color: #c83c68; }
.nav-pill { padding: 10px 16px !important; border: var(--line); border-radius: 999px; background: var(--pink-soft); box-shadow: 3px 3px 0 var(--ink); }
.doc-nav { display: flex; align-items: center; gap: 10px; }
.doc-nav a { min-height: 44px; padding: 10px 15px; display: inline-flex; align-items: center; border: 2px solid var(--ink); border-radius: 999px; background: var(--white); text-decoration: none; font-weight: 850; }
.doc-nav a:last-child { background: var(--pink-soft); }

.hero { position: relative; overflow: hidden; border-bottom: var(--line); background: var(--blue-soft); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .42; background-image: radial-gradient(var(--blue) 2px, transparent 2px); background-size: 22px 22px; }
.hero-shell { position: relative; width: min(1120px, calc(100% - 32px)); min-height: 680px; margin: auto; padding: 86px 0 76px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; padding: 8px 13px; border: 2px solid var(--ink); border-radius: 999px; background: var(--yellow); font-size: 14px; font-weight: 900; transform: rotate(-1deg); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 670px; margin-bottom: 20px; font-size: clamp(46px, 7vw, 82px); line-height: .98; letter-spacing: -.065em; }
h1 span { color: #d43f6d; text-decoration: underline; text-decoration-thickness: 8px; text-decoration-color: var(--yellow); text-underline-offset: 5px; }
.hero-copy { max-width: 630px; margin-bottom: 28px; color: #3e383e; font-size: clamp(17px, 2vw, 21px); line-height: 1.75; font-weight: 650; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { min-height: 52px; padding: 14px 21px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: var(--line); border-radius: 15px; background: var(--white); box-shadow: 5px 5px 0 var(--ink); text-decoration: none; font-weight: 950; transition: transform .16s, box-shadow .16s; }
.button:hover { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--ink); }
.button.primary { background: var(--pink); }
.button.secondary { background: var(--yellow); }
.status-note { margin: 19px 0 0; display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 14px; font-weight: 760; }
.status-dot { width: 10px; height: 10px; border: 2px solid var(--ink); border-radius: 50%; background: var(--mint); }

.hero-art { position: relative; min-height: 500px; display: grid; place-items: center; }
.burst { position: absolute; width: 430px; aspect-ratio: 1; border: var(--line); border-radius: 50%; background: repeating-conic-gradient(var(--cream) 0 11deg, var(--pink-soft) 11deg 22deg); box-shadow: var(--shadow); }
.actor { position: relative; z-index: 2; width: min(350px, 80vw); image-rendering: auto; filter: drop-shadow(8px 10px 0 rgba(23,20,24,.18)); }
.speech { position: absolute; right: 0; top: 40px; z-index: 3; width: 190px; padding: 18px; border: var(--line); border-radius: 22px; background: var(--white); box-shadow: 5px 5px 0 var(--ink); font-size: 18px; font-weight: 900; transform: rotate(3deg); }
.speech::after { content: ""; position: absolute; left: 28px; bottom: -16px; width: 24px; height: 24px; border-right: 3px solid var(--ink); border-bottom: 3px solid var(--ink); background: var(--white); transform: rotate(45deg); }

.section { padding: 96px 0; }
.section.alt { border-block: var(--line); background: var(--pink-soft); }
.section.blue { background: var(--blue-soft); }
.section-shell { width: min(1120px, calc(100% - 32px)); margin: auto; }
.section-kicker { margin-bottom: 8px; color: #c83c68; font-size: 14px; font-weight: 950; letter-spacing: .12em; text-transform: uppercase; }
.section h2 { max-width: 760px; margin-bottom: 20px; font-size: clamp(34px, 5vw, 58px); line-height: 1.08; letter-spacing: -.045em; }
.section-intro { max-width: 700px; margin-bottom: 44px; color: var(--muted); font-size: 18px; line-height: 1.75; font-weight: 600; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { position: relative; min-height: 300px; padding: 28px; border: var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); overflow: hidden; }
.feature-card:nth-child(2) { background: var(--cream); transform: translateY(18px); }
.feature-card:nth-child(3) { background: var(--mint); }
.feature-number { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 48px; border: 2px solid var(--ink); border-radius: 50%; background: var(--yellow); font-weight: 950; }
.feature-card h3 { margin-bottom: 10px; font-size: 25px; }
.feature-card p { margin-bottom: 0; color: #4d464d; line-height: 1.65; font-weight: 600; }
.feature-card img { position: absolute; width: 105px; right: 8px; top: 8px; }

.showcase { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 70px; }
.phone-wrap { position: relative; max-width: 390px; margin-inline: auto; padding: 10px; border: 4px solid var(--ink); border-radius: 44px; background: var(--ink); box-shadow: 14px 16px 0 rgba(23,20,24,.2); transform: rotate(-2deg); }
.phone-wrap img { border-radius: 32px; }
.comic-list { display: grid; gap: 18px; }
.comic-step { padding: 20px 22px; display: grid; grid-template-columns: 52px 1fr; gap: 15px; border: var(--line); border-radius: 18px; background: var(--white); box-shadow: 4px 4px 0 var(--ink); }
.comic-step strong { font-size: 19px; }
.comic-step p { margin: 5px 0 0; color: var(--muted); line-height: 1.55; }
.step-badge { width: 48px; height: 48px; display: grid; place-items: center; border: 2px solid var(--ink); border-radius: 13px; background: var(--yellow); font-weight: 950; }

.privacy-panel { padding: 36px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 34px; border: var(--line); border-radius: 28px; background: var(--ink); color: var(--white); box-shadow: 10px 10px 0 var(--pink); }
.privacy-panel h2 { margin-bottom: 12px; color: var(--white); }
.privacy-panel p { max-width: 720px; margin-bottom: 0; color: #e8e0e7; line-height: 1.7; }
.privacy-panel .button { color: var(--ink); background: var(--mint); }

.cta { padding: 68px 24px; text-align: center; border-block: var(--line); background: var(--yellow); }
.cta h2 { margin-bottom: 12px; font-size: clamp(34px, 5vw, 56px); }
.cta p { margin-bottom: 26px; color: var(--muted); font-size: 18px; }
.cta-actions { justify-content: center; }

.site-footer { padding: 42px 0 30px; background: var(--ink); color: var(--white); }
.footer-shell { width: min(1120px, calc(100% - 32px)); margin: auto; display: grid; grid-template-columns: 1fr auto; gap: 32px; }
.footer-brand { display: flex; gap: 13px; align-items: center; font-weight: 950; font-size: 20px; }
.footer-brand img { width: 50px; border-radius: 13px; }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 18px; }
.footer-links a { color: #eee5ed; font-weight: 750; }
.copyright { grid-column: 1 / -1; padding-top: 22px; border-top: 1px solid #514a51; color: #bfb5bf; font-size: 13px; }

.document-main { width: min(840px, calc(100% - 32px)); margin: 56px auto 90px; }
.document-hero { margin-bottom: 28px; padding: 32px; border: var(--line); border-radius: 24px; background: var(--blue-soft); box-shadow: var(--shadow); }
.document-hero h1 { margin-bottom: 10px; font-size: clamp(38px, 7vw, 62px); }
.document-hero p { margin: 0; color: var(--muted); font-weight: 700; }
.document-card { padding: clamp(24px, 5vw, 50px); border: var(--line); border-radius: 24px; background: var(--white); }
.document-card h2 { margin-top: 38px; margin-bottom: 10px; font-size: 24px; }
.document-card h2:first-child { margin-top: 0; }
.document-card p, .document-card li { color: #484148; line-height: 1.8; }
.document-card li + li { margin-top: 8px; }
.notice { margin: 24px 0; padding: 18px 20px; border: 2px solid var(--ink); border-radius: 14px; background: var(--cream); font-weight: 750; }
.faq { display: grid; gap: 14px; }
.faq details { padding: 18px 20px; border: 2px solid var(--ink); border-radius: 14px; background: var(--paper); }
.faq summary { cursor: pointer; font-weight: 900; }
.faq p { margin: 12px 0 0; }

@media (max-width: 820px) {
  .menu-button { display: block; }
  .site-nav { position: absolute; left: 16px; right: 16px; top: 68px; padding: 14px; display: none; flex-direction: column; align-items: stretch; gap: 2px; border: var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); }
  .site-nav[data-open] { display: flex; }
  .site-nav a { padding: 13px; }
  .nav-pill { box-shadow: none; }
  .hero-shell { min-height: auto; padding: 62px 0 52px; grid-template-columns: 1fr; gap: 36px; }
  .hero-art { min-height: 390px; order: -1; }
  .burst { width: min(360px, 83vw); }
  .actor { width: min(285px, 68vw); }
  .speech { right: 0; top: 10px; width: 160px; font-size: 15px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card:nth-child(2) { transform: none; }
  .showcase { grid-template-columns: 1fr; gap: 46px; }
  .privacy-panel { grid-template-columns: 1fr; }
  .footer-shell { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 480px) {
  .nav-shell, .hero-shell, .section-shell, .footer-shell, .document-main { width: min(100% - 24px, 1120px); }
  .brand { font-size: 18px; }
  .brand img { width: 40px; }
  .doc-nav { gap: 6px; }
  .doc-nav a { padding-inline: 11px; font-size: 14px; }
  h1 { font-size: 46px; }
  .hero-copy { font-size: 16px; }
  .actions .button { width: 100%; }
  .hero-art { min-height: 330px; }
  .speech { width: 140px; padding: 13px; }
  .section { padding: 70px 0; }
  .feature-card { min-height: 280px; padding: 23px; }
  .comic-step { grid-template-columns: 44px 1fr; padding: 17px; }
  .step-badge { width: 42px; height: 42px; }
  .privacy-panel { padding: 25px; }
  .document-hero { padding: 25px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}