* { box-sizing: border-box; }
:root {
  --paper: #F4F1E8;
  --paper-2: #ECE8DD;
  --card: #FFFDF7;
  --ink: #111111;
  --text: #1D1D1D;
  --muted: #62605B;
  --soft: #89867E;
  --lime: #D7FF32;
  --acid: #B9F227;
  --blue: #2457FF;
  --orange: #FF5938;
  --dark: #161616;
  --line: rgba(17,17,17,.22);
  --line-strong: rgba(17,17,17,.72);
  --shadow: 0 16px 36px rgba(30,28,22,.08);
  --max: 1280px;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.8;
  overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font: inherit; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 20000; background: var(--lime); color: var(--ink); padding: 8px 12px; }
.skip-link:focus { left: 8px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(244,241,232,.96); border-bottom: 1px solid var(--line-strong); }
.header-inner { max-width: var(--max); margin: 0 auto; min-height: 72px; padding: 0 24px; display: grid; grid-template-columns: auto minmax(0,1fr) auto auto; align-items: center; gap: 18px; }
.header-inner > .site-logo { grid-column: 1; grid-row: 1; }
.header-inner > .nav-core { grid-column: 2; grid-row: 1; }
.header-inner > .header-cta { grid-column: 3; grid-row: 1; }
.header-inner > .menu-btn { grid-column: 4; grid-row: 1; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 900; letter-spacing: -.04em; white-space: nowrap; }
.site-logo img { width: auto; max-width: 118px; max-height: 44px; object-fit: contain; }
.site-logo span { font-size: 22px; }
.menu-btn, .drawer-close { border: 0; background: transparent; cursor: pointer; color: inherit; }
.menu-btn { width: 44px; height: 44px; display: grid; align-content: center; gap: 5px; padding: 8px 4px; }
.menu-btn span { display: block; background: var(--ink); height: 2px; transform-origin: center; }
.menu-btn span:nth-child(1) { width: 30px; }
.menu-btn span:nth-child(2) { width: 22px; }
.menu-btn span:nth-child(3) { width: 34px; }
.nav-core { justify-self: center; display: flex; align-items: center; gap: 24px; min-width: 0; }
.nav-core a { color: var(--ink); text-decoration: none; padding: 8px 2px 6px; border-bottom: 2px solid transparent; white-space: nowrap; font-size: 15px; font-weight: 700; }
.nav-core a:hover, .nav-core a.active { border-bottom-color: var(--ink); }
.main-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px; text-decoration: none; font-weight: 800; border-radius: 4px; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.main-btn { background: var(--ink); color: #fff; border: 1px solid var(--ink); }
.main-btn:hover { background: var(--lime); color: var(--ink); border-color: var(--ink); }
.secondary-btn { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.secondary-btn:hover { background: var(--ink); color: #fff; }
.header-cta { justify-self: end; white-space: nowrap; min-height: 42px; padding: 8px 14px; font-size: 14px; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(0,0,0,.58); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.site-drawer { position: fixed; z-index: 10001; top: 0; right: 0; width: min(470px, 92vw); height: 100dvh; background: var(--ink); color: var(--paper); transform: translateX(105%); transition: transform .26s ease; padding: 22px 28px 34px; overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(244,241,232,.35); padding-bottom: 18px; margin-bottom: 10px; }
.drawer-head strong { letter-spacing: .08em; font-size: 13px; }
.drawer-close { color: var(--paper); font-size: 36px; line-height: 1; width: 44px; height: 44px; }
.drawer-nav { display: grid; }
.drawer-nav a { display: grid; grid-template-columns: 46px 1fr; align-items: baseline; gap: 12px; color: #fff; text-decoration: none; padding: 9px 0; border-bottom: 1px solid rgba(244,241,232,.16); font-size: clamp(20px, 3vw, 30px); font-weight: 800; line-height: 1.25; }
.drawer-nav a span { color: var(--lime); font-size: 11px; letter-spacing: .12em; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--lime); }
.drawer-note { color: rgba(244,241,232,.72); font-size: 13px; line-height: 1.75; margin: 28px 0 0; }
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.section { padding: clamp(72px, 8vw, 124px) 0; }
.section-tight { padding: clamp(44px, 5vw, 76px) 0; }
.section-head { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 24px; align-items: start; margin-bottom: 44px; border-top: 1px solid var(--ink); padding-top: 18px; }
.section-index { color: var(--blue); font-weight: 900; letter-spacing: .08em; font-size: 13px; }
.section-title, h1, h2, h3 { color: var(--ink); margin-top: 0; }
h1 { font-size: clamp(48px, 8vw, 104px); line-height: .92; letter-spacing: -.065em; margin-bottom: 28px; }
h2, .section-title { font-size: clamp(34px, 5vw, 56px); line-height: 1.02; letter-spacing: -.045em; margin-bottom: 16px; }
h3 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.15; letter-spacing: -.025em; margin-bottom: 12px; }
p { margin: 0 0 18px; }
.lead { font-size: clamp(19px, 2vw, 24px); line-height: 1.62; color: var(--ink); max-width: 850px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; font-size: 12px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 22px; height: 8px; background: var(--lime); border: 1px solid var(--ink); }
.text-link { color: var(--blue); font-weight: 800; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.accent-label { display: inline-block; background: var(--lime); color: var(--ink); padding: 3px 8px; font-weight: 900; font-size: 12px; letter-spacing: .08em; }
.content-img { width: 100%; height: auto; object-fit: contain; border: 1px solid var(--ink); background: var(--card); }
.hero { padding: clamp(54px, 7vw, 108px) 0 clamp(60px, 7vw, 100px); border-bottom: 1px solid var(--ink); }
.hero-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; align-items: start; }
.hero-copy { grid-column: 1 / span 6; min-width: 0; }
.hero-visual { grid-column: 8 / -1; position: relative; min-width: 0; }
.hero-visual img { width: 100%; border: 1px solid var(--ink); background: var(--card); object-fit: contain; }
.hero-mark { position: absolute; top: -18px; left: -18px; background: var(--lime); border: 1px solid var(--ink); padding: 8px 10px; font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.hero-meta { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px 22px; border-top: 1px solid var(--ink); padding-top: 14px; font-size: 12px; font-weight: 800; letter-spacing: .07em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }
.hero-points { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 26px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.hero-point { padding: 15px 18px; border-right: 1px solid var(--ink); font-weight: 800; }
.hero-point:last-child { border-right: 0; }
.info-strip { border-bottom: 1px solid var(--ink); }
.info-strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.info-item { padding: 28px 24px 30px; border-right: 1px solid var(--ink); min-width: 0; }
.info-item:last-child { border-right: 0; }
.info-item strong { display: block; color: var(--blue); font-size: 13px; letter-spacing: .08em; margin-bottom: 10px; }
.info-item h2 { font-size: 25px; margin: 0 0 8px; }
.info-item p { font-size: 14px; line-height: 1.7; color: var(--muted); margin: 0; }
.channel-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.channel-item { display: grid; grid-template-columns: 64px 1fr auto; gap: 16px; align-items: start; padding: 24px 4px 24px 0; border-bottom: 1px solid var(--ink); min-width: 0; }
.channel-item:nth-child(odd) { padding-right: 28px; border-right: 1px solid var(--ink); }
.channel-item:nth-child(even) { padding-left: 28px; }
.channel-no { color: var(--blue); font-weight: 900; letter-spacing: .08em; }
.channel-item h3 { font-size: 24px; margin-bottom: 5px; }
.channel-item p { margin: 0; color: var(--muted); font-size: 14px; }
.brand-grid, .feature-grid, .split-grid, .safety-grid, .page-hero-grid, .page-two { display: grid; gap: clamp(24px, 4vw, 56px); align-items: start; }
.brand-grid { grid-template-columns: 5fr 7fr; }
.brand-copy { border-top: 8px solid var(--lime); padding-top: 20px; }
.media-frame { border: 1px solid var(--ink); background: var(--card); padding: 10px; }
.media-frame img { width: 100%; object-fit: contain; }
.feature-grid { grid-template-columns: 7fr 5fr; }
.feature-stack { display: grid; gap: 18px; }
.feature-note { background: var(--paper-2); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 22px; }
.feature-list { display: grid; }
.feature-list div { display: grid; grid-template-columns: 70px 1fr; gap: 18px; border-top: 1px solid var(--line-strong); padding: 15px 0; }
.feature-list div:last-child { border-bottom: 1px solid var(--line-strong); }
.feature-list strong { color: var(--blue); font-size: 12px; letter-spacing: .08em; }
.split-grid { grid-template-columns: 7fr 5fr; }
.split-panel { min-width: 0; border-top: 1px solid var(--ink); padding-top: 20px; }
.split-panel.dark { background: var(--dark); color: #fff; padding: clamp(24px, 4vw, 48px); border-top: 0; }
.split-panel.dark h2, .split-panel.dark h3 { color: #fff; }
.split-panel.dark .text-link { color: var(--lime); }
.split-panel img { margin: 0 0 22px; }
.service-points { margin: 20px 0 0; padding: 0; list-style: none; }
.service-points li { border-top: 1px solid currentColor; padding: 10px 0; font-weight: 700; }
.triple-grid { display: grid; grid-template-columns: 1fr 1.1fr 1.25fr; gap: 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.triple-panel { padding: 32px; border-right: 1px solid var(--ink); min-width: 0; }
.triple-panel:last-child { border-right: 0; }
.triple-panel:nth-child(2) { background: var(--paper-2); }
.triple-panel img { margin-bottom: 20px; }
.date-row { display: grid; grid-template-columns: 74px 1fr; gap: 15px; padding: 14px 0; border-top: 1px solid var(--ink); }
.date-row strong { color: var(--orange); }
.safety-wrap { background: var(--dark); color: #fff; }
.safety-wrap h2, .safety-wrap h3, .safety-wrap .section-title { color: #fff; }
.safety-wrap .section-head { border-color: rgba(255,255,255,.7); }
.safety-wrap .section-index { color: var(--lime); }
.safety-grid { grid-template-columns: 1fr 1fr; }
.safety-card { border: 1px solid rgba(255,255,255,.5); padding: 22px; }
.safety-card img { border: 1px solid rgba(255,255,255,.55); margin-bottom: 18px; }
.safety-card .accent-label { margin-bottom: 10px; }
.reviews-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
.review { grid-column: span 4; border-top: 1px solid var(--ink); padding: 22px 18px 26px 0; min-width: 0; }
.review:nth-child(2), .review:nth-child(5) { background: #F1F8C9; padding-left: 18px; }
.review:nth-child(3) { background: #E5EAFF; padding-left: 18px; }
.review-no { font-size: 36px; color: var(--blue); font-weight: 900; line-height: 1; margin-bottom: 18px; }
.review p { font-size: 16px; line-height: 1.75; }
.faq-list { border-top: 1px solid var(--ink); }
details.faq-item { border-bottom: 1px solid var(--ink); }
details.faq-item summary { cursor: pointer; list-style: none; display: grid; grid-template-columns: 70px 1fr auto; gap: 18px; align-items: center; padding: 18px 0; font-weight: 900; color: var(--ink); }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary span:first-child { color: var(--blue); font-size: 12px; letter-spacing: .08em; }
details.faq-item summary::after { content: '+'; font-size: 25px; font-weight: 400; }
details.faq-item[open] summary::after { content: '−'; }
.faq-answer { padding: 0 84px 22px 88px; max-width: 980px; color: var(--muted); }
.notice-band { background: var(--lime); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 32px 0; }
.notice-grid { display: grid; grid-template-columns: 180px 1fr; gap: 26px; align-items: start; }
.notice-grid strong { font-size: 18px; letter-spacing: .08em; }
.page-hero { padding: clamp(64px, 8vw, 116px) 0 52px; border-bottom: 1px solid var(--ink); }
.page-hero-grid { grid-template-columns: 7fr 5fr; }
.page-hero h1 { max-width: 900px; }
.page-hero .lead { margin-bottom: 24px; }
.page-hero .content-img { margin-top: 6px; }
.page-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; border-top: 1px solid var(--ink); padding-top: 12px; font-size: 12px; font-weight: 800; letter-spacing: .06em; }
.page-two { grid-template-columns: 1fr 1fr; }
.article-copy { max-width: 860px; }
.article-copy p { margin-bottom: 22px; }
.number-list { border-top: 1px solid var(--ink); }
.number-item { display: grid; grid-template-columns: 82px 1fr; gap: 20px; border-bottom: 1px solid var(--ink); padding: 22px 0; }
.number-item .n { color: var(--blue); font-size: 13px; font-weight: 900; letter-spacing: .09em; }
.number-item h3 { margin-bottom: 7px; }
.rule-box { background: var(--paper-2); border: 1px solid var(--ink); padding: clamp(24px, 4vw, 44px); }
.rule-box.dark { background: var(--dark); color: #fff; }
.rule-box.dark h2, .rule-box.dark h3 { color: #fff; }
.quote-block { border-top: 10px solid var(--blue); padding-top: 20px; font-size: clamp(23px, 3vw, 36px); line-height: 1.45; font-weight: 800; color: var(--ink); }
.editorial-lines { border-top: 1px solid var(--ink); }
.editorial-line { display: grid; grid-template-columns: 130px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--ink); }
.editorial-line strong { color: var(--blue); font-size: 12px; letter-spacing: .1em; }
.check-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid currentColor; }
.check-list li { position: relative; padding: 12px 0 12px 28px; border-bottom: 1px solid currentColor; }
.check-list li::before { content: '→'; position: absolute; left: 0; color: var(--blue); font-weight: 900; }
.dark .check-list li::before, .rule-box.dark .check-list li::before { color: var(--lime); }
.contact-flow { counter-reset: flow; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.contact-flow div { counter-increment: flow; padding: 24px; border-right: 1px solid var(--ink); }
.contact-flow div:last-child { border-right: 0; }
.contact-flow div::before { content: '0' counter(flow); display: block; color: var(--blue); font-weight: 900; letter-spacing: .08em; margin-bottom: 10px; }
.site-footer { background: var(--ink); color: var(--paper); padding: 72px 0 92px; }
.footer-inner { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.footer-brand { display: grid; grid-template-columns: 1.2fr 1.8fr; gap: 26px 48px; align-items: end; }
.footer-kicker { grid-column: 1 / -1; color: var(--lime); font-weight: 900; letter-spacing: .1em; font-size: 12px; }
.footer-logo { font-size: clamp(60px, 9vw, 130px); line-height: .85; letter-spacing: -.07em; font-weight: 950; }
.footer-brand p:last-child { color: rgba(244,241,232,.72); }
.footer-columns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin: 62px 0 46px; }
.footer-columns h2 { color: var(--paper); font-size: 15px; border-bottom: 1px solid rgba(244,241,232,.35); padding-bottom: 10px; margin-bottom: 12px; }
.footer-columns a { display: block; color: rgba(244,241,232,.8); text-decoration: none; padding: 5px 0; font-size: 14px; }
.footer-columns a:hover { color: var(--lime); }
.footer-rule { border-top: 1px solid rgba(244,241,232,.35); }
.footer-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; padding-top: 24px; color: rgba(244,241,232,.62); font-size: 13px; }
.mobile-bottom { display: none; }
@media (max-width: 1050px) {
  .nav-core { gap: 14px; }
  .nav-core a { font-size: 13px; }
  .header-inner { gap: 14px; }
  .site-logo span { display: none; }
  .hero-copy { grid-column: 1 / span 7; }
  .hero-visual { grid-column: 8 / -1; }
  .triple-grid { grid-template-columns: 1fr 1fr; }
  .triple-panel:nth-child(3) { grid-column: 1 / -1; border-top: 1px solid var(--ink); border-right: 0; }
}
@media (max-width: 820px) {
  body { font-size: 16px; padding-bottom: 66px; }
  .header-inner { min-height: 64px; grid-template-columns: auto 1fr auto; padding: 0 16px; }
  .header-inner > .menu-btn { grid-column: 1; grid-row: 1; }
  .header-inner > .site-logo { grid-column: 2; grid-row: 1; }
  .header-inner > .header-cta { grid-column: 3; grid-row: 1; }
  .nav-core { display: none; }
  .site-logo { justify-self: center; }
  .site-logo img { max-width: 100px; max-height: 38px; }
  .header-cta { font-size: 13px; min-height: 40px; padding: 7px 12px; }
  .container, .footer-inner { width: min(100% - 36px, var(--max)); }
  .hero-grid, .page-hero-grid, .brand-grid, .feature-grid, .split-grid, .safety-grid, .page-two { grid-template-columns: 1fr; }
  .hero-copy, .hero-visual, .hero-points { grid-column: 1; }
  .hero-visual { margin-top: 14px; }
  .hero-mark { left: 10px; top: -14px; }
  .hero-points { grid-template-columns: 1fr; }
  .hero-point { border-right: 0; border-bottom: 1px solid var(--ink); }
  .hero-point:last-child { border-bottom: 0; }
  .info-strip-grid { grid-template-columns: 1fr 1fr; }
  .info-item:nth-child(2) { border-right: 0; }
  .info-item:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
  .channel-index { grid-template-columns: 1fr; }
  .channel-item:nth-child(odd), .channel-item:nth-child(even) { border-right: 0; padding-left: 0; padding-right: 0; }
  .triple-grid { grid-template-columns: 1fr; }
  .triple-panel, .triple-panel:nth-child(3) { grid-column: auto; border-right: 0; border-bottom: 1px solid var(--ink); }
  .triple-panel:last-child { border-bottom: 0; }
  .reviews-grid { grid-template-columns: 1fr; }
  .review { grid-column: auto; }
  .section-head { grid-template-columns: 72px 1fr; gap: 14px; }
  .faq-answer { padding-left: 0; padding-right: 0; }
  details.faq-item summary { grid-template-columns: 48px 1fr auto; gap: 10px; }
  .notice-grid { grid-template-columns: 1fr; gap: 8px; }
  .contact-flow { grid-template-columns: 1fr 1fr; }
  .contact-flow div:nth-child(2) { border-right: 0; }
  .contact-flow div:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
  .footer-brand, .footer-bottom { grid-template-columns: 1fr; }
  .footer-columns { grid-template-columns: 1fr 1fr; }
  .mobile-bottom { position: fixed; z-index: 9998; left: 0; right: 0; bottom: 0; height: 60px; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255,253,247,.98); border-top: 1px solid var(--ink); }
  .mobile-bottom a { display: grid; place-items: center; text-decoration: none; font-size: 12px; font-weight: 800; }
  .mobile-bottom a.active { background: var(--lime); }
}
@media (max-width: 560px) {
  .container, .footer-inner { width: min(100% - 32px, var(--max)); }
  h1 { font-size: clamp(46px, 18vw, 76px); }
  h2, .section-title { font-size: clamp(32px, 10vw, 44px); }
  .info-strip-grid { grid-template-columns: 1fr; }
  .info-item, .info-item:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--ink); }
  .info-item:last-child { border-bottom: 0; }
  .channel-item { grid-template-columns: 48px 1fr; }
  .channel-item > .text-link { grid-column: 2; }
  .section-head { grid-template-columns: 1fr; }
  .section-head .section-index { margin-bottom: -8px; }
  .number-item { grid-template-columns: 52px 1fr; }
  .editorial-line { grid-template-columns: 1fr; gap: 6px; }
  .contact-flow { grid-template-columns: 1fr; }
  .contact-flow div, .contact-flow div:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--ink); }
  .footer-columns { grid-template-columns: 1fr; }
  .site-drawer { padding-left: 20px; padding-right: 20px; }
}