:root {
  --nb-surface: #f7faff;
  --nb-soft-blue: #e8f1ff;
  --nb-pale-cyan: #ebfbff;
  --nb-soft-ink: #42536d;
  --nb-blue-shadow: #173c7c12;
  --nb-mascot-glow: #8cdbff4d;
  --nb-orbit-line: #b9d8f570;
  --nb-tab-line: #e8eef6;
  --nb-transparent: transparent;
}
.nb-container { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.nb-section { padding-block: 112px; color: var(--ink); scroll-margin-top: 96px; }
.nb-section h2 { margin: 0; font-family: var(--font-display); font-size: clamp(32px, 3.2vw, 46px); font-weight: 600; letter-spacing: -.045em; line-height: 1.35; overflow-wrap: break-word; }
.nb-section-tag { display: flex; align-items: center; gap: 11px; margin: 0 0 23px; color: var(--blue); font-size: 13px; font-weight: 600; }
.nb-section-tag::before { content: ''; display: block; width: 24px; height: 1px; background: var(--blue); }
.nb-section-copy { max-width: 400px; margin: 25px 0 0; color: var(--muted); font-size: 15px; font-weight: 400; line-height: 1.95; }
.nb-section-note { margin: 30px 0 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.nb-section button { font-family: var(--font-body); cursor: pointer; }
.nb-section button:focus-visible, .nb-section summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 5px; }
.nb-section button svg { display: block; flex: 0 0 auto; width: 22px; height: 22px; }
.nb-vision { background: var(--ice); }
.nb-vision-grid { display: grid; grid-template-columns: 1fr 1.04fr; gap: 110px; align-items: center; }
.nb-pillars { border-top: 1px solid var(--line); }
.nb-pillar { display: grid; grid-template-columns: 48px 1fr; gap: 24px; padding-block: 28px; border-bottom: 1px solid var(--line); }
.nb-pillar-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 15px; color: var(--blue); background: var(--white); box-shadow: 0 5px 15px var(--nb-blue-shadow); }
.nb-pillar-icon svg { width: 27px; height: 27px; }
.nb-pillar h3 { margin: 0 0 8px; font-size: 18px; font-weight: 600; letter-spacing: -.025em; }
.nb-pillar p { max-width: 340px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.nb-sale { background: var(--white); }
.nb-sale-grid { display: grid; grid-template-columns: .95fr 1fr; gap: 110px; align-items: center; }
.nb-sale-intro .nb-section-copy { max-width: 355px; }
.nb-paper-link { display: inline-flex; align-items: center; gap: 15px; margin-top: 42px; padding: 0; border: 0; background: var(--nb-transparent); color: var(--ink); text-align: left; min-height: 48px; }
.nb-paper-link > svg:first-child { width: 27px; height: 27px; color: var(--blue); }
.nb-paper-link span { font-size: 14px; font-weight: 600; }
.nb-paper-link small { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; font-weight: 400; }
.nb-paper-link > svg:last-child { width: 17px; height: 17px; margin-left: 20px; transition: transform .2s ease; }
.nb-paper-link:hover > svg:last-child { transform: translateX(4px); }
.nb-sale-panel { min-width: 0; border: 1px solid var(--line); border-radius: 22px; background: var(--white); box-shadow: 0 24px 64px -18px var(--nb-blue-shadow); overflow: clip; }
.nb-sale-tabs { display: flex; padding-inline: 30px; gap: 32px; border-bottom: 1px solid var(--nb-tab-line); }
.nb-sale-tabs button { position: relative; min-height: 64px; padding: 0; border: 0; background: var(--nb-transparent); color: var(--muted); font-size: 13px; font-weight: 500; }
.nb-sale-tabs button[aria-selected="true"] { color: var(--blue); font-weight: 600; }
.nb-sale-tabs button[aria-selected="true"]::after { content: ''; position: absolute; height: 2px; background: var(--blue); bottom: -1px; inset-inline: 0; }
.nb-sale-content { min-height: 302px; padding: 28px 30px 0; }
.nb-sale-content[hidden] { display: none; }
.nb-sale-status { display: flex; align-items: center; justify-content: space-between; }
.nb-sale-mark { width: 50px; height: 46px; overflow: hidden; }
.nb-sale-status > span { padding: 5px 10px; color: var(--blue); background: var(--nb-soft-blue); border-radius: 5px; font-size: 11px; }
.nb-sale-content h3 { margin: 19px 0 8px; font-size: 23px; font-weight: 600; letter-spacing: -.04em; }
.nb-sale-subtitle { color: var(--muted); font-size: 12px; margin: 0; }
.nb-sale-terms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 26px 0 0; border-top: 1px solid var(--nb-tab-line); }
.nb-sale-terms > div { padding: 16px 0 0; }
.nb-sale-terms dt { margin-bottom: 6px; color: var(--muted); font-size: 11px; }
.nb-sale-terms dd { margin: 0; color: var(--nb-soft-ink); font-size: 14px; font-weight: 500; }
.nb-sale-actions { padding: 24px 30px 21px; }
.nb-action-primary { display: flex; align-items: center; justify-content: center; gap: 15px; width: 100%; min-height: 52px; border: 1px solid var(--blue); border-radius: 10px; background: var(--blue); color: var(--white); font-size: 14px; font-weight: 600; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.nb-action-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px var(--nb-blue-shadow); }
.nb-action-primary:active { transform: translateY(0); }
.nb-action-primary svg { width: 18px; height: 18px; }
.nb-sale-actions > p { margin: 12px 0 0; text-align: center; font-size: 10px; color: var(--muted); line-height: 1.5; }
.nb-sale-notices { display: flex; flex-direction: column; justify-content: center; gap: 24px; padding-top: 31px; }
.nb-sale-notice { display: grid; grid-template-columns: 24px 1fr; gap: 12px; }
.nb-sale-notice > span { color: var(--blue); font-family: var(--font-display); font-size: 11px; padding-top: 3px; }
.nb-sale-notice h4 { margin: 0 0 5px; font-size: 14px; font-weight: 600; }
.nb-sale-notice p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.85; }
.nb-brand { background: var(--white); padding-top: 4px; padding-bottom: 112px; }
.nb-brand-stage { position: relative; isolation: isolate; display: grid; grid-template-columns: 1.1fr .9fr; min-height: 520px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(110deg, var(--nb-surface), var(--nb-pale-cyan)); overflow: clip; }
.nb-brand-copy { position: relative; z-index: 2; padding: 74px 0 60px 66px; }
.nb-brand-copy .nb-section-copy { max-width: 340px; font-size: 14px; }
.nb-brand-copy h2 { font-size: 42px; }
.nb-brand-orbits { position: absolute; inset: 0; height: 100%; width: 100%; fill: none; stroke: var(--nb-orbit-line); stroke-width: .8; z-index: -1; }
.nb-brand-orbits path { opacity: .35; }
.nb-mascot-wrap { position: relative; display: flex; align-items: flex-end; justify-content: center; padding: 30px 30px 20px 0; }
.nb-mascot-wrap::before { content: ''; position: absolute; width: 250px; height: 250px; top: 120px; border-radius: 50%; background: var(--nb-mascot-glow); filter: blur(65px); z-index: -1; }
.nb-mascot-art { display: block; width: 100%; height: 450px; max-width: 370px; overflow: hidden; transform-origin: 50% 90%; }
.nb-mascot-button { display: inline-flex; align-items: center; gap: 15px; min-height: 46px; margin-top: 25px; padding: 0; border: 0; background: var(--nb-transparent); color: var(--blue); font-size: 12px; font-weight: 600; }
.nb-mascot-button svg { width: 20px; height: 20px; transition: transform .3s ease; }
.nb-mascot-button:hover svg { transform: rotate(30deg); }
.nb-mascot-waving { animation: nb-mascot-wave .8s ease both; }
.nb-mascot-speech { position: absolute; left: -42px; top: 45px; max-width: 225px; padding: 15px 20px; border: 1px solid var(--line); border-radius: 15px 15px 2px 15px; background: var(--white); color: var(--nb-soft-ink); font-size: 12px; line-height: 1.8; box-shadow: 0 6px 22px var(--nb-blue-shadow); }
.nb-mascot-speech[hidden] { display: none; }
@keyframes nb-mascot-wave { 0%,100% { transform: rotate(0); } 25% { transform: rotate(-3deg); } 65% { transform: rotate(3deg); } }
.nb-roadmap { background: var(--ice); }
.nb-roadmap-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; }
.nb-roadmap-head .nb-section-copy { max-width: 330px; margin-bottom: 4px; font-size: 13px; }
.nb-roadmap-track { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 34px; padding: 0; margin: 58px 0 0; }
.nb-roadmap-line { display: flex; align-items: center; gap: 18px; margin-bottom: 27px; }
.nb-roadmap-line > span { font-family: var(--font-display); color: var(--blue); font-size: 12px; font-weight: 500; }
.nb-roadmap-line > i { height: 1px; flex: 1; background: var(--line); }
.nb-roadmap-track h3 { margin: 0 0 12px; font-size: 20px; font-weight: 600; letter-spacing: -.03em; }
.nb-roadmap-track p { margin: 6px 0 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.nb-roadmap-track p.nb-roadmap-sub { color: var(--nb-soft-ink); font-size: 13px; }
.nb-roadmap .nb-section-note { margin-top: 38px; }
.nb-faq { background: var(--white); }
.nb-faq-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 100px; }
.nb-faq .nb-section-copy { max-width: 280px; font-size: 13px; }
.nb-faq-list { border-top: 1px solid var(--line); }
.nb-faq-list details { border-bottom: 1px solid var(--line); }
.nb-faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 25px; min-height: 76px; padding-block: 18px; list-style: none; cursor: pointer; font-size: 14px; font-weight: 600; line-height: 1.7; }
.nb-faq-list summary::-webkit-details-marker { display: none; }
.nb-faq-list summary > svg { flex: 0 0 auto; width: 18px; height: 18px; color: var(--muted); transition: transform .2s ease; }
.nb-faq-list details[open] summary > svg { transform: rotate(45deg); color: var(--blue); }
.nb-faq-list details > p { margin: -3px 40px 24px 0; color: var(--muted); font-size: 12px; line-height: 2; }
@media (min-width: 1600px) { .nb-section { padding-block: 128px; } .nb-brand { padding-top: 0; } }
@media (max-width: 1024px) {
 .nb-vision-grid, .nb-sale-grid { gap: 55px; }
 .nb-faq-grid { gap: 55px; }
 .nb-brand-copy { padding: 60px 0 54px 40px; }
 .nb-brand-copy h2 { font-size: 36px; }
 .nb-mascot-wrap { padding-right: 15px; }
 .nb-mascot-art { height: 410px; }
 .nb-brand-stage { min-height: 480px; }
 .nb-brand-copy .nb-section-copy { max-width: 290px; }
}
@media (max-width: 760px) {
 .nb-container { width: calc(100% - 40px); }
 .nb-section { padding-block: 72px; scroll-margin-top: 78px; }
 .nb-section h2 { font-size: 33px; line-height: 1.4; }
 .nb-section-tag { margin-bottom: 19px; font-size: 12px; }
 .nb-section-copy { margin-top: 19px; max-width: 420px; font-size: 14px; }
 .nb-vision-grid, .nb-sale-grid, .nb-faq-grid { grid-template-columns: minmax(0, 1fr); gap: 38px; }
 .nb-section-note { margin-top: 20px; }
 .nb-pillar { padding-block: 25px; }
 .nb-pillar p { max-width: none; }
 .nb-sale-intro .nb-section-copy { max-width: 420px; }
 .nb-paper-link { margin-top: 26px; }
 .nb-sale-panel { border-radius: 18px; }
 .nb-sale-content { min-height: 310px; }
 .nb-brand { padding-top: 0; }
 .nb-brand-stage { grid-template-columns: minmax(0, 1fr); }
 .nb-brand-copy { padding: 38px 30px 0; }
 .nb-brand-copy h2 { font-size: 32px; }
 .nb-brand-copy .nb-section-copy { max-width: 420px; font-size: 13px; }
 .nb-mascot-wrap { padding: 26px 35px 12px; min-height: 350px; }
 .nb-mascot-art { height: 345px; max-width: 310px; }
 .nb-mascot-speech { top: 26px; left: 20px; max-width: 180px; font-size: 11px; }
 .nb-brand-orbits { height: 100%; width: 180%; left: -40%; }
 .nb-mascot-wrap::before { top: 50px; }
 .nb-mascot-button { margin-top: 17px; }
 .nb-roadmap-head { display: block; }
 .nb-roadmap-head .nb-section-copy { margin-top: 19px; }
 .nb-roadmap-track { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 35px 28px; margin-top: 37px; }
 .nb-roadmap-line { margin-bottom: 18px; }
 .nb-roadmap-track h3 { font-size: 18px; margin-bottom: 9px; }
 .nb-roadmap-track p { font-size: 11px; }
 .nb-faq-grid { gap: 32px; }
 .nb-faq .nb-section-copy { max-width: none; }
}
@media (max-width: 440px) {
 .nb-container { width: calc(100% - 32px); }
 .nb-section { padding-block: 64px; }
 .nb-section h2 { font-size: 29px; }
 .nb-pillar { gap: 17px; grid-template-columns: 42px 1fr; }
 .nb-pillar-icon { height: 42px; width: 42px; border-radius: 12px; }
 .nb-pillar h3 { font-size: 16px; }
 .nb-pillar p { font-size: 12px; }
 .nb-sale-tabs { padding-inline: 22px; gap: 24px; }
 .nb-sale-tabs button { font-size: 12px; min-height: 60px; }
 .nb-sale-content { padding: 24px 22px 0; min-height: 302px; }
 .nb-sale-content h3 { font-size: 21px; }
 .nb-sale-actions { padding: 22px 22px 20px; }
 .nb-sale-terms dd { font-size: 13px; }
 .nb-sale-terms dt { font-size: 10px; }
 .nb-sale-notices { gap: 22px; }
 .nb-sale-notice p { font-size: 10px; }
 .nb-brand { padding-top: 0; }
 .nb-brand-stage { border-radius: 20px; }
 .nb-brand-copy { padding-inline: 25px; padding-top: 31px; }
 .nb-brand-copy h2 { font-size: 29px; }
 .nb-mascot-wrap { padding-inline: 24px; min-height: 325px; }
 .nb-mascot-art { height: 325px; }
 .nb-faq-list summary { font-size: 13px; gap: 20px; }
 .nb-faq-list details > p { margin-right: 22px; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
 .nb-mascot-waving { animation: none; }
 .nb-paper-link > svg:last-child, .nb-action-primary, .nb-mascot-button svg, .nb-faq-list summary > svg { transition: none; }
}