:root {
  color-scheme: light;
  --bg: #fbf8f3;
  --paper: #fffefb;
  --paper-strong: #ffffff;
  --ink: #17202a;
  --muted: #6f716f;
  --line: #eadfd4;
  --line-strong: #e3c8b7;
  --orange: #e86a3a;
  --orange-dark: #c84f25;
  --orange-soft: #fff2e9;
  --sage: #5f8d79;
  --sage-soft: #edf5f1;
  --shadow: 0 20px 60px rgba(70, 45, 26, 0.08);
  --shell: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 14px; background: var(--ink); color: #fff; border-radius: 8px; transform: translateY(-140%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 254, 251, 0.94); border-bottom: 1px solid rgba(234, 223, 212, 0.9); backdrop-filter: blur(18px); }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 38px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand img { border-radius: 11px; }
.brand-name { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; white-space: nowrap; }
.brand-name strong { font-weight: 800; }
nav { display: flex; align-items: center; justify-content: center; gap: 30px; margin-left: auto; }
nav a { color: #464b4d; font-size: 14px; font-weight: 600; transition: color 0.2s ease; }
nav a:hover, nav a:focus-visible { color: var(--orange); }

.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 10px; padding: 0 22px; border: 1px solid var(--orange); border-radius: 10px; background: var(--orange); color: #fff; font-size: 15px; font-weight: 750; box-shadow: 0 10px 24px rgba(232, 106, 58, 0.2); transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease; }
.button:hover { transform: translateY(-2px); background: var(--orange-dark); box-shadow: 0 14px 30px rgba(232, 106, 58, 0.25); }
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(232, 106, 58, 0.28); outline-offset: 3px; }
.button-small { min-height: 40px; padding: 0 17px; font-size: 14px; box-shadow: none; }
.button-secondary { background: transparent; color: var(--orange-dark); box-shadow: none; }
.button-secondary:hover { color: #fff; }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 76% 20%, rgba(255, 232, 214, 0.78), transparent 28%), linear-gradient(180deg, #fffefb 0%, #fbf8f3 100%); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.24; background-image: radial-gradient(#d9c7b7 0.7px, transparent 0.7px); background-size: 22px 22px; mask-image: linear-gradient(90deg, transparent, black 40%, black 78%, transparent); }
.hero-grid { position: relative; min-height: 670px; display: grid; grid-template-columns: 0.92fr 1.08fr; align-items: center; gap: 64px; padding-block: 76px; }
.hero-copy { position: relative; z-index: 2; }
.assurance { display: flex; align-items: center; gap: 9px; margin: 0 0 24px; color: var(--sage); font-size: 14px; font-weight: 700; }
.assurance span { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; background: var(--sage-soft); }
h1 { margin: 0; font-size: clamp(52px, 4.7vw, 72px); line-height: 1.02; letter-spacing: -0.055em; font-weight: 860; }
h1 span { display: block; }
h1 .title-line { white-space: nowrap; }
h1 .title-accent { color: var(--orange); }
.hero-lead { max-width: 620px; margin: 28px 0 0; color: #555a5a; font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.disclosure { max-width: 620px; margin-top: 30px; padding: 17px 19px; border: 1px solid #f0c9b4; border-radius: 12px; background: rgba(255, 248, 242, 0.84); }
.disclosure strong { color: var(--orange-dark); font-size: 14px; }
.disclosure p { margin: 5px 0 0; color: #6d625c; font-size: 12.5px; line-height: 1.7; }

.hero-visual { position: relative; min-height: 520px; display: flex; align-items: center; }
.hero-visual > img { width: min(100%, 650px); aspect-ratio: 3 / 2; object-fit: cover; border-radius: 40% 60% 44% 56% / 48% 42% 58% 52%; filter: saturate(0.9); mix-blend-mode: multiply; }
.flow-card { position: absolute; right: -20px; bottom: 16px; width: 270px; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, 0.92); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.flow-title { margin: 0 0 12px; font-weight: 800; }
.flow-card ol { list-style: none; margin: 0; padding: 0; }
.flow-card li { display: grid; grid-template-columns: 28px 1fr; align-items: start; gap: 10px; padding: 9px 0; border-top: 1px solid #eee6df; }
.flow-card li > span { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 50%; background: var(--sage-soft); color: var(--sage); font-size: 11px; font-weight: 800; }
.flow-card p { margin: 0; line-height: 1.35; }
.flow-card strong { display: block; font-size: 13px; }
.flow-card small { display: block; margin-top: 3px; color: #8a8580; font-size: 10.5px; }

section:not(.hero, .final-cta) { padding-block: 104px; }
.section-heading { margin-bottom: 42px; }
.section-heading h2, .notice-grid h2, .faq-intro h2, .final-cta h2 { margin: 0; font-size: clamp(30px, 3vw, 44px); line-height: 1.2; letter-spacing: -0.04em; }
.section-heading > p:not(.section-index), .faq-intro > p:not(.section-index) { color: var(--muted); }
.section-index { margin: 0 0 12px; color: var(--orange); font-size: 13px; font-weight: 800; letter-spacing: 0.08em; }
.split-heading { display: grid; grid-template-columns: 1fr 0.7fr; align-items: end; gap: 60px; }
.split-heading > p { margin: 0; }
.centered { max-width: 700px; margin-inline: auto; text-align: center; }
.centered > p:last-child { margin: 14px 0 0; }

.plan-section { background: #fffdf9; }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.plan-card { display: flex; min-height: 430px; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper-strong); transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease; }
.plan-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.plan-featured { border-color: #f0b08f; background: linear-gradient(180deg, #fffaf6, #fff); }
.plan-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.plan-mark { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 12px; background: var(--sage); color: #fff; font-size: 17px; font-weight: 800; }
.plan-featured .plan-mark { background: var(--orange); }
.plan-fit { padding: 5px 10px; border-radius: 99px; background: var(--sage-soft); color: var(--sage); font-size: 12px; font-weight: 700; }
.plan-card h3 { margin: 22px 0 10px; font-size: 25px; }
.plan-card > p { min-height: 96px; margin: 0; color: var(--muted); font-size: 14px; }
.plan-card ul { display: grid; gap: 9px; margin: 20px 0 26px; padding: 18px 0 0; border-top: 1px solid var(--line); list-style: none; color: #4f5554; font-size: 13px; }
.plan-card li::before { content: "✓"; margin-right: 9px; color: var(--sage); font-weight: 900; }
.plan-card > a { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); color: var(--orange-dark); font-size: 14px; font-weight: 800; }

.process-section { background: var(--bg); }
.process-list { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; }
.process-list::before { content: ""; position: absolute; z-index: 0; top: 22px; left: 9%; right: 9%; border-top: 1px solid #efa985; }
.process-list li { position: relative; z-index: 1; padding: 0 26px; text-align: center; }
.step { display: grid; width: 46px; height: 46px; margin: 0 auto 28px; place-items: center; border: 1px solid #ef9f78; border-radius: 50%; background: var(--bg); color: var(--orange); font-weight: 800; }
.step-icon { display: grid; width: 86px; height: 70px; margin: 0 auto 22px; place-items: center; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); color: var(--sage); font-size: 28px; box-shadow: 0 10px 30px rgba(70, 45, 26, 0.05); }
.process-list h3 { margin: 0; font-size: 19px; }
.process-list p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }

.notice-section { border-block: 1px solid var(--line); background: #fffdf9; }
.notice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.scope-panel, .risk-panel { padding: 42px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper-strong); }
.notice-grid h2 { font-size: clamp(28px, 2.6vw, 38px); }
.notice-lead { margin: 16px 0 28px; color: var(--muted); }
.scope-panel dl { margin: 0; }
.scope-panel dl > div { padding: 17px 0; border-top: 1px solid var(--line); }
.scope-panel dt { font-size: 15px; font-weight: 800; }
.scope-panel dd { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.risk-panel { background: linear-gradient(150deg, #fff9f4, #fff); }
.risk-panel ul { display: grid; gap: 18px; margin: 28px 0; padding: 0; list-style: none; }
.risk-panel li { display: grid; grid-template-columns: 1fr; gap: 3px; padding-left: 22px; border-left: 3px solid #f3c0a5; }
.risk-panel li strong { font-size: 14px; }
.risk-panel li span { color: var(--muted); font-size: 13px; }
.text-link { color: var(--orange-dark); font-size: 14px; font-weight: 800; }

.faq-section { background: var(--bg); }
.faq-grid { display: grid; grid-template-columns: 0.38fr 0.62fr; align-items: start; gap: 70px; }
.faq-intro { position: sticky; top: 116px; }
.faq-intro > p:not(.section-index) { margin: 18px 0 26px; }
.faq-list { display: grid; gap: 10px; }
details { border: 1px solid var(--line); border-radius: 14px; background: var(--paper-strong); }
summary { position: relative; cursor: pointer; list-style: none; padding: 20px 54px 20px 22px; font-weight: 750; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 22px; top: 50%; color: var(--orange); font-size: 22px; font-weight: 400; transform: translateY(-50%); }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 54px 20px 22px; color: var(--muted); font-size: 14px; }

.final-cta { padding-block: 0 80px; background: var(--bg); }
.cta-inner { display: flex; min-height: 190px; align-items: center; justify-content: space-between; gap: 40px; padding: 38px 48px; border: 1px solid #eda37d; border-radius: 22px; background: radial-gradient(circle at 88% 18%, rgba(255, 214, 188, 0.65), transparent 30%), #fffaf5; }
.final-cta h2 { font-size: 32px; }
.final-cta p { margin: 8px 0 0; color: var(--muted); }

footer { padding: 58px 0 26px; border-top: 1px solid var(--line); background: #fffdf9; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.7fr 0.7fr 1.4fr; gap: 42px; }
.footer-brand { margin-bottom: 14px; }
.footer-grid > div > p { margin: 0; color: var(--muted); font-size: 13px; }
.footer-grid h2 { margin: 0 0 14px; font-size: 14px; }
.footer-grid > div > a:not(.brand) { display: block; width: fit-content; margin: 8px 0; color: var(--muted); font-size: 13px; }
.footer-grid > div > a:hover { color: var(--orange); }
.copyright { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); color: #8a8580; font-size: 12px; }

@media (max-width: 980px) {
  :root { --shell: min(100% - 32px, 760px); }
  nav { display: none; }
  .header-inner { min-height: 68px; }
  .header-inner .button { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 20px; padding-block: 58px; }
  .hero-visual { min-height: 470px; }
  .hero-visual > img { width: 90%; margin-inline: auto; }
  .flow-card { right: 0; }
  .plans { grid-template-columns: 1fr; }
  .plan-card { min-height: auto; }
  .plan-card > p { min-height: auto; }
  .process-list { grid-template-columns: 1fr 1fr; gap: 40px 0; }
  .process-list::before { display: none; }
  .notice-grid, .faq-grid { grid-template-columns: 1fr; }
  .faq-intro { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 28px); }
  .site-header .brand-name { font-size: 14px; }
  .header-inner { gap: 10px; }
  .header-inner .button { min-height: 36px; padding-inline: 12px; font-size: 12px; }
  .hero-grid { min-height: 0; padding-block: 44px; }
  .assurance { align-items: flex-start; font-size: 12px; }
  h1 { font-size: clamp(37px, 10.25vw, 40px); letter-spacing: -0.06em; }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 390px; align-items: flex-start; margin-top: 10px; }
  .hero-visual > img { width: 100%; }
  .flow-card { right: 10px; bottom: 0; width: calc(100% - 20px); }
  .flow-card li { padding-block: 7px; }
  section:not(.hero, .final-cta) { padding-block: 72px; }
  .split-heading { grid-template-columns: 1fr; gap: 16px; }
  .plans { gap: 12px; }
  .plan-card { padding: 22px; }
  .process-list { grid-template-columns: 1fr; gap: 34px; }
  .process-list li { padding-inline: 12px; }
  .step { margin-bottom: 14px; }
  .notice-grid { gap: 12px; }
  .scope-panel, .risk-panel { padding: 26px 22px; }
  .faq-grid { gap: 34px; }
  .cta-inner { align-items: stretch; flex-direction: column; padding: 28px 22px; }
  .cta-inner .button { width: 100%; }
  .final-cta h2 { font-size: 27px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .copyright { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}