:root {
  color-scheme: dark;
  --bg: #080809;
  --surface: #111113;
  --surface-2: #171719;
  --surface-3: #1d1d20;
  --line: #303035;
  --line-soft: #252529;
  --text: #f4f4f5;
  --muted: #92929c;
  --muted-2: #696970;
  --green: #6bd7a2;
  --gold: #e1b358;
  --page-pad: clamp(20px, 5.1vw, 48px);
  --radius: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; min-width: 320px; min-height: 100svh; background: var(--bg); color: var(--text); letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }

.site { width: min(100%, 920px); min-height: 100svh; margin: 0 auto; overflow: hidden; background: var(--bg); }
.section-pad { padding-left: var(--page-pad); padding-right: var(--page-pad); }
.eyebrow { margin: 0; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .28em; }

.loading-screen { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; background: #070708; padding: 24px; transition: opacity .42s ease, visibility .42s ease; }
.loading-screen.is-done { opacity: 0; visibility: hidden; }
.loading-center { width: min(100%, 320px); text-align: center; transform: translateY(-4vh); }
.brand--loading { justify-content: center; }
.loading-label { margin: 54px 0 16px; color: #a3a3aa; font-size: 14px; letter-spacing: .08em; }
.loading-track { height: 4px; overflow: hidden; border-radius: 20px; background: #26262a; }
.loading-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: #f3f3f4; transition: width .12s linear; }
.loading-percent { margin-top: 13px; color: #7d7d86; font: 13px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .1em; }

.browser-gate { min-height: 100svh; display: grid; place-items: center; padding: max(28px, env(safe-area-inset-top)) 24px max(28px, env(safe-area-inset-bottom)); }
.gate-panel { width: min(100%, 440px); padding: 38px 28px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.gate-icon { width: 60px; height: 60px; display: grid; place-items: center; margin-bottom: 32px; border: 1px solid #48484e; border-radius: 14px; font-size: 28px; }
.gate-panel h1 { margin: 14px 0 18px; font-size: clamp(32px, 9vw, 48px); line-height: 1.13; }
.gate-panel > p:not(.eyebrow):not(.gate-status) { color: var(--muted); font-size: 16px; line-height: 1.85; }
.gate-panel .button { margin-top: 24px; width: 100%; }
.gate-panel .gate-shortcut { margin-top: 10px; }
.gate-status { margin: 18px 0 0; color: var(--muted-2); text-align: center; font-size: 12px; }

.site-header { position: relative; z-index: 30; display: flex; align-items: center; justify-content: space-between; min-height: 132px; padding: max(26px, env(safe-area-inset-top)) var(--page-pad) 24px; border-bottom: 1px solid var(--line); background: rgba(8,8,9,.96); }
.brand { display: flex; align-items: center; gap: 13px; }
.brand-mark { width: 44px; aspect-ratio: 1; display: grid; grid-template-rows: 18px 12px 7px; place-items: center; flex: 0 0 auto; padding: 3px 2px 2px; border: 1px solid #343439; border-radius: 11px; color: #ededee; }
.brand-mark__x { font-size: 19px; font-weight: 300; line-height: 1; transform: scaleX(.72); }
.brand-mark__cn { font-size: 8px; font-weight: 800; white-space: nowrap; line-height: 1; }
.brand-mark__tag { min-width: 22px; padding: 1px 3px; border-radius: 5px; background: #d8d8da; color: #19191b; font-size: 5px; font-weight: 800; line-height: 1; }
.brand-copy { display: grid; gap: 6px; }
.brand-copy strong { font-size: 22px; line-height: 1; letter-spacing: .03em; }
.brand-copy span { font-size: 7px; font-weight: 700; letter-spacing: .34em; }
.icon-button { width: 46px; height: 46px; display: grid; place-content: center; gap: 7px; border: 1px solid #343439; border-radius: 11px; background: transparent; }
.menu-button span { display: block; width: 22px; height: 1px; background: #dddde0; transition: transform .25s ease; }
.menu-button.is-open span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-button.is-open span:last-child { transform: translateY(-4px) rotate(-45deg); }
.mobile-menu { position: relative; z-index: 25; display: grid; padding: 14px var(--page-pad) 26px; border-bottom: 1px solid var(--line); background: #09090a; }
.mobile-menu a, .menu-service { min-height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0; border: 0; border-bottom: 1px solid var(--line-soft); background: transparent; text-align: left; font-size: 16px; }

.hero { padding-top: 52px; padding-bottom: 40px; }
.hero-kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 29px; font-size: 13px; font-weight: 600; }
.hero-kicker span { width: 22px; height: 1px; background: var(--text); }
.hero h1 { margin: 0; font-size: clamp(43px, 13vw, 76px); line-height: 1.33; font-weight: 800; }
.hero-dot { color: #dddde0; }
.underline { width: 104px; height: 3px; margin: -8px 0 28px 74px; border-radius: 50%; background: #777780; transform: rotate(2deg); }
.hero-lead { margin: 0 0 28px; color: #9f9fa8; font-size: 15px; line-height: 1.9; }
.hero-actions { display: grid; grid-template-columns: 1.1fr 1fr; gap: 12px; margin-bottom: 20px; }
.button { min-height: 60px; display: inline-flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 20px; border: 1px solid transparent; border-radius: 8px; background: transparent; font-size: 15px; font-weight: 700; cursor: pointer; }
.button--light { background: #f7f7f7; color: #0d0d0e; }
.button--ghost { border-color: transparent; color: #eeeeef; }
.button--outline { min-height: 50px; border-color: #44444a; }
.button--wide { width: 100%; }

.records { --record-row-height: 44px; --records-window-height: 220px; margin-top: 20px; padding: 12px 16px 10px; border: 1px solid var(--line); border-radius: var(--radius); background: #111113; }
.records-title-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.records h2 { margin: 0; font-size: 17px; }
.records-tools { display: flex; align-items: center; gap: 4px; }
.records-network { color: #9a9aa4; font: 10px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.records-toggle { width: 44px; height: 44px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 8px; background: transparent; color: #9a9aa4; cursor: pointer; }
.records-toggle:active { background: #202024; }
.records-toggle:focus-visible { outline: 1px solid #d6d6da; outline-offset: 1px; }
.records-toggle span { font: 15px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.records-head, .record-row { display: grid; grid-template-columns: 1fr auto; align-items: center; border-bottom: 1px solid #2b2b2f; }
.records-head { min-height: 34px; color: #7e7e86; font-size: 11px; }
.records-viewport { height: var(--records-window-height); overflow: hidden; }
.records-list { transform: translate3d(0, 0, 0); will-change: transform; }
.record-row { height: var(--record-row-height); min-height: var(--record-row-height); }
.record-row code { color: #adadb4; font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.status { position: relative; padding-left: 15px; font-size: 11px; }
.status::before { content: ""; position: absolute; left: 0; top: 50%; width: 7px; height: 7px; border-radius: 50%; transform: translateY(-50%); }
.status--done { color: var(--green); }.status--done::before { background: var(--green); box-shadow: 0 0 0 4px rgba(107,215,162,.1); }
.status--doing { color: var(--gold); }.status--doing::before { background: var(--gold); box-shadow: 0 0 0 4px rgba(225,179,88,.1); }
.status--wait { color: #aaaab3; }.status--wait::before { border: 1px solid #aaaab3; }
.trust-note { display: flex; align-items: center; gap: 10px; margin-top: 20px; color: #85858e; font-size: 11px; }
.shield-mini { font-size: 18px; }

.visual-section { padding-top: 0; padding-bottom: 32px; }
.assurance-visual { position: relative; min-height: 420px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #0d0d0f; }
.visual-grid { position: absolute; inset: 0; opacity: .38; background-image: linear-gradient(#28282d 1px, transparent 1px), linear-gradient(90deg, #28282d 1px, transparent 1px); background-size: 48px 48px; }
.assurance-visual::before, .assurance-visual::after { content: ""; position: absolute; left: 50%; top: 54%; width: 350px; height: 350px; border: 1px solid #2c2c31; border-radius: 50%; transform: translate(-50%,-50%); }
.assurance-visual::after { width: 440px; height: 440px; border-style: dashed; opacity: .55; }
.visual-caption { position: absolute; z-index: 3; top: 34px; left: 28px; font-size: 12px; }
.visual-plus { position: absolute; z-index: 3; color: #a8a8b0; font-size: 28px; font-weight: 200; }
.visual-plus--one { top: 27px; right: 27px; }.visual-plus--two { bottom: 89px; right: 28px; }
.document-card { position: absolute; left: 50%; top: 51%; z-index: 1; width: 180px; height: 225px; padding: 23px; background: #242429; transform: translate(-56%,-50%) rotate(12deg); box-shadow: 0 20px 40px #000; }
.document-card span { color: #8e8e98; font: 6px/1 ui-monospace, monospace; letter-spacing: .2em; }.document-card strong { display: block; margin-top: 70px; font-size: 22px; }
.shield-art { position: absolute; left: 50%; top: 55%; z-index: 2; width: 190px; height: 215px; display: grid; place-items: center; background: linear-gradient(155deg,#fff,#bfc0c5); clip-path: polygon(50% 0, 92% 18%, 83% 72%, 50% 100%, 17% 72%, 8% 18%); transform: translate(-43%,-50%); filter: drop-shadow(0 22px 14px rgba(0,0,0,.55)); }
.shield-art::before { content: ""; position: absolute; inset: 18px; border: 1px solid #a5a5ab; clip-path: inherit; }.shield-art span { color: #25252a; font-size: 74px; font-weight: 300; transform: translateY(-2px); }
.visual-float { position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px; padding: 13px 14px; border: 1px solid #3a3a40; border-radius: 9px; background: #17171a; box-shadow: 0 14px 30px rgba(0,0,0,.45); }
.visual-float b { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 6px; background: #1d1d21; }.visual-float span { display: grid; gap: 4px; }.visual-float strong { font-size: 11px; }.visual-float small { color: #85858e; font-size: 7px; }
.visual-float--top { top: 99px; right: 18px; transform: rotate(4deg); }.visual-float--bottom { left: 18px; bottom: 80px; transform: rotate(-4deg); }
.visual-bottom { position: absolute; z-index: 4; left: 29px; right: 29px; bottom: 26px; display: flex; justify-content: space-between; color: #9999a2; font-size: 11px; }.visual-bottom code { letter-spacing: .3em; }

.feature-grid { display: grid; grid-template-columns: 1fr 1fr; padding-bottom: 56px; }
.feature-grid > div { min-height: 64px; display: flex; align-items: center; gap: 15px; padding: 0 14px; border-top: 1px solid var(--line); }
.feature-grid > div:nth-child(odd) { border-right: 1px solid var(--line); }
.feature-grid > div:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
.feature-grid strong { font-size: 13px; font-weight: 500; }
.feature-icon { width: 20px; display: inline-grid; place-items: center; color: #dddde1; font-size: 18px; }

.announcement { padding-top: 0; padding-bottom: 72px; }
.section-heading { margin-bottom: 32px; }.section-heading--split { display: grid; grid-template-columns: minmax(0,1fr) 105px; align-items: end; gap: 20px; }
.section-heading h2 { margin: 16px 0 0; font-size: clamp(32px, 9.5vw, 56px); line-height: 1.35; }.section-heading h2 span { color: #d9d9dc; }
.section-heading > p:not(.eyebrow), .section-heading--split > p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; text-align: right; }
.notice-card { position: relative; padding: 28px 22px 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #121214; }
.notice-state { display: inline-flex; padding: 9px 11px; border-radius: 5px; background: #1d1d20; color: #9b9ba5; font-size: 11px; }
.copy-icon { position: absolute; top: 31px; right: 28px; border: 0; background: none; color: #aaaab3; font-size: 18px; }
.notice-card h3 { margin: 25px 0 14px; font-size: 22px; line-height: 1.4; }
.notice-meta { display: flex; gap: 16px; color: #777780; font-size: 10px; }.notice-meta span + span { padding-left: 16px; border-left: 1px solid var(--line); }
.notice-card > p { color: #a6a6af; font-size: 14px; line-height: 2; }
.prepare-box, .prepare-card { display: flex; gap: 16px; align-items: flex-start; padding: 20px; border-radius: 8px; background: #1a1a1d; }
.prepare-box strong, .prepare-card strong { font-size: 14px; }.prepare-box p, .prepare-card p { margin: 7px 0 0; color: #94949d; font-size: 12px; line-height: 1.7; }
.notice-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 24px; padding: 20px 0; border-top: 1px solid var(--line); color: #85858e; font-size: 11px; }.notice-foot a { color: var(--text); }

.process { padding-top: 56px; padding-bottom: 0; border-top: 1px solid var(--line); background: #101012; }
.step-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.step-card { min-width: 0; min-height: 255px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto 1fr auto; gap: 18px; padding: 22px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #101012; text-align: left; }
.step-card.is-active { border-color: #d6d6da; background: #242428; }
.step-number { color: #b6b6be; font-size: 36px; line-height: 1; font-weight: 300; }.step-symbol { color: #aaaab3; font-size: 23px; }
.step-card strong { grid-column: 1/-1; font-size: 17px; line-height: 1.45; }.step-card p { grid-column: 1/-1; margin: 0; color: #898992; font-size: 12px; line-height: 1.8; }
.step-link { grid-column: 1/-1; display: flex; justify-content: space-between; padding-top: 16px; border-top: 1px solid #3a3a3f; color: #aaaab3; font-size: 11px; }
.step-detail { margin: 30px calc(var(--page-pad) * -1) 0; padding: 26px var(--page-pad) 78px; border-top: 1px solid var(--line); background: #101012; }
.step-detail strong { display: block; margin-bottom: 15px; font-size: 14px; }.step-detail p { margin: 0; color: #95959e; font-size: 14px; line-height: 1.85; }

.progress-area { display: grid; gap: 20px; padding-top: 0; padding-bottom: 72px; }
.prepare-card { border: 1px solid var(--line); border-radius: var(--radius); background: #121214; }
.progress-card, .help-card { position: relative; padding: 28px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #121214; }
.progress-card h2 { margin: 25px 0 10px; font-size: 29px; }.progress-card > p:not(.eyebrow) { margin: 0 0 22px; color: #94949d; font-size: 14px; }.progress-card small { display: block; margin-top: 16px; text-align: center; color: #72727a; font-size: 10px; }
.search-mark { position: absolute; top: 25px; right: 25px; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid #4a4a51; border-radius: 50%; color: #b7b7bf; font-size: 25px; }
.help-card h3 { margin: 0 0 22px; font-size: 16px; }.help-card p { margin: 0 0 15px; color: #96969f; font-size: 14px; line-height: 1.8; }.help-card .button { min-height: 44px; padding: 0; }

.faq { padding-top: 55px; padding-bottom: 60px; border-top: 1px solid var(--line); }
.faq .section-heading > p:not(.eyebrow) { margin-top: 16px; text-align: left; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; min-height: 80px; display: grid; grid-template-columns: 28px 1fr 20px; gap: 0; align-items: center; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary span { color: #85858e; font: 11px/1 ui-monospace, monospace; }.faq-list summary strong { font-size: 15px; }.faq-list summary i::before, .faq-list summary i::after { content: ""; position: absolute; width: 12px; height: 1px; background: #cfcfd3; transition: transform .2s ease; }.faq-list summary i::after { transform: rotate(90deg); }.faq-list details[open] summary i::after { transform: rotate(0); }
.faq-list details p { margin: -1px 20px 25px 28px; color: #94949d; font-size: 14px; line-height: 2; }

.verify-strip { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding-top: 34px; padding-bottom: 34px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #111113; }
.shield-ring { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid #45454b; border-radius: 50%; font-size: 22px; }.verify-strip h2 { margin: 3px 0 9px; font-size: 18px; }.verify-strip p { margin: 0; color: #8e8e97; font-size: 12px; line-height: 1.7; }.verify-strip .button { grid-column: 2; width: fit-content; margin-top: 8px; }
.site-footer { padding-top: 36px; padding-bottom: calc(38px + env(safe-area-inset-bottom)); }
.footer-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 30px; border-bottom: 1px solid var(--line); }.footer-top > a { color: #898992; font-size: 12px; }.brand--footer .brand-copy strong { font-size: 18px; }.site-footer > p { margin: 26px 0 0; color: #686870; font-size: 10px; }

.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: max(28px, env(safe-area-inset-top)) 18px max(28px, env(safe-area-inset-bottom)); }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.82); backdrop-filter: blur(7px); }
.modal-panel { position: relative; z-index: 1; width: min(100%, 430px); padding: 32px 26px 30px; border: 1px solid #39393f; border-radius: 16px; background: #0d0d0f; box-shadow: 0 20px 80px #000; }
.modal-close { position: absolute; top: 16px; right: 16px; width: 50px; height: 50px; border: 2px solid #f4f4f5; border-radius: 50%; background: transparent; color: #aaaab2; font-size: 32px; font-weight: 200; line-height: 1; }
.modal-icon { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 26px; border-radius: 13px; background: #232327; font-size: 27px; }
.modal-panel h2 { margin: 18px 0 20px; font-size: 31px; }.modal-panel > p:not(.eyebrow) { margin: 0; color: #a0a0a9; font-size: 15px; line-height: 1.9; }.modal-note { margin: 24px 0; padding: 18px; border-radius: 8px; background: #1a1a1d; color: #9999a3; font-size: 13px; line-height: 1.9; }.modal-actions { display: grid; grid-template-columns: 1.15fr 1fr; gap: 12px; }.modal-actions .button { min-height: 58px; }
body.modal-open { overflow: hidden; }

@media (min-width: 700px) {
  :root { --page-pad: 58px; }
  .site-header { min-height: 140px; }
  .brand-mark { width: 54px; }.brand-copy strong { font-size: 28px; }
  .hero { padding-top: 78px; }.hero h1 { font-size: 76px; }
  .records { --record-row-height: 58px; --records-window-height: 290px; padding: 22px 28px 14px; }
  .assurance-visual { min-height: 620px; }.shield-art { width: 290px; height: 330px; }.document-card { width: 270px; height: 340px; }.visual-float { padding: 18px; }.visual-float strong { font-size: 15px; }.visual-float small { font-size: 10px; }
  .step-card { min-height: 330px; padding: 32px; }.step-number { font-size: 54px; }.step-card strong { font-size: 24px; }.step-card p { font-size: 15px; }
}

@media (max-width: 359px) {
  .brand-copy strong { font-size: 19px; }.brand-mark { width: 40px; }.site-header { min-height: 116px; }
  .hero h1 { font-size: 39px; }.hero-actions { grid-template-columns: 1fr; }.step-grid { gap: 8px; }.step-card { padding: 18px 14px; }.step-card strong { font-size: 15px; }.section-heading--split { grid-template-columns: 1fr; }.section-heading--split > p { text-align: left; }
}

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