:root {
  color-scheme: dark;
  --bg: #060609;
  --surface: #101015;
  --text: #f4f5f8;
  --muted: #a9a9b7;
  --line: #2a2a34;
  --cyan: #3de5f4;
  --pink: #ff63bd;
  --lime: #d4f574;
  --max: 1184px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; font-size: 16px; line-height: 1.85; letter-spacing: 0; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--cyan); outline-offset: 6px; border-radius: 3px; }
::selection { color: #060609; background: var(--cyan); }
h1, h2, h3, p, figure { margin: 0; }
h2, h3 { line-height: 1.5; text-wrap: balance; overflow-wrap: anywhere; }
h2 { font-size: 2.625rem; font-weight: 800; }
h3 { font-size: 1.125rem; font-weight: 750; }
p { text-wrap: pretty; }
.container { width: min(var(--max), calc(100% - 80px)); margin-inline: auto; }
.cyan { color: var(--cyan); }
.pink { color: var(--pink); }
.lime { color: var(--lime); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 8px 18px; background: var(--cyan); color: var(--bg); }
.skip-link:focus { top: 12px; }
.eyebrow { font-size: .8125rem; font-weight: 750; line-height: 1.6; }
.topbar { position: sticky; top: 0; z-index: 20; background: #08080cf7; border-bottom: 1px solid var(--line); }
.topbar-inner { min-height: 72px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 24px; padding-block: 10px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.25rem; line-height: 1.4; font-weight: 800; flex-shrink: 0; }
.brand img { width: 38px; height: 38px; }
.desktop-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 12px 30px; font-size: .875rem; font-weight: 650; }
.desktop-nav > a:not(.nav-cta), .footer a { transition: color 150ms; }
.desktop-nav > a:hover, .footer a:hover { color: var(--cyan); }
.nav-cta { padding: 9px 18px; color: var(--cyan); border: 1px solid #3de5f461; border-radius: 4px; background: #3de5f40a; }
.nav-cta:hover { background: #3de5f415; }
.mobile-menu { display: none; }
.hero { position: relative; isolation: isolate; background: #000004; text-align: center; border-bottom: 1px solid var(--line); }
.hero-art { position: absolute; z-index: -1; width: min(960px, calc(100% - 40px)); max-width: none; top: 8px; left: 50%; transform: translateX(-50%); }
.hero-content { padding-block: 248px 36px; }
.hero-eyebrow { color: var(--cyan); margin-bottom: 12px; }
.hero-heading { font-size: 2.25rem; font-weight: 800; line-height: 1.45; text-wrap: balance; }
.hero-heading > span { display: block; }
.hero-description { margin-top: 16px; color: #c2c2cf; font-size: 1.0625rem; line-height: 1.8; }
.hero-actions { display: flex; justify-content: center; align-items: center; gap: 30px; margin-top: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 52px; padding: 12px 24px; border: 1px solid transparent; border-radius: 4px; font-size: 1rem; line-height: 1.6; font-weight: 800; transition: background 150ms, border-color 150ms; }
.button.primary { color: #071015; background: var(--cyan); border-color: var(--cyan); box-shadow: 4px 4px 0 #d72c914a; }
.button.primary:hover { background: #a3f6fd; border-color: #a3f6fd; }
.button > span, .text-link > span { flex-shrink: 0; }
.text-link { display: inline-flex; align-items: center; gap: 18px; font-size: .9375rem; font-weight: 650; padding-block: 10px; }
.text-link:hover { color: var(--pink); }
.hero-note { margin-top: 16px; font-size: .8125rem; color: var(--muted); }
.styles-band { padding-block: 32px; background: #0c0c11; border-bottom: 1px solid var(--line); }
.styles-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.styles-grid article + article { border-left: 1px solid var(--line); padding-left: 32px; }
.style-label { font-size: .8125rem; font-weight: 800; }
.styles-grid h3 { margin-top: 8px; font-size: 1.0625rem; }
.styles-grid p { color: var(--muted); font-size: .875rem; margin-top: 8px; line-height: 1.8; }
.section { padding-block: 88px; border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 48px; }
.section-head h2 { margin-top: 12px; }
.section-head h2 span, .spotlight h3 span, .studio-heading h2 span, .final-cta h2 span { display: block; }
.section-head > p:last-child:not(.eyebrow) { margin-top: 18px; color: var(--muted); }
.spotlight { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 64px; }
.spotlight + .spotlight { padding-top: 64px; margin-top: 48px; border-top: 1px solid var(--line); }
.feature-index { font-size: .8125rem; color: var(--cyan); font-weight: 750; line-height: 1.6; margin-bottom: 16px; }
.feature-index.pink { color: var(--pink); }
.spotlight h3 { font-size: 1.875rem; line-height: 1.5; margin-bottom: 20px; }
.spotlight-copy > p:not(.feature-index) { color: var(--muted); }
.spotlight-copy > p + p { margin-top: 14px; }
.feature-notes { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: .875rem; color: #dddded; }
.feature-notes li { border-left: 2px solid var(--cyan); padding-left: 10px; line-height: 1.7; }
.member-spotlight .feature-notes li { border-color: var(--pink); }
.product-visual { min-width: 0; }
.product-visual img { width: 100%; object-fit: contain; }
.bottle-visual img { max-height: 440px; }
.product-visual figcaption { margin-top: 10px; color: var(--muted); font-size: .75rem; line-height: 1.6; text-align: center; }
.member-visual { margin-inline: -16px; }
.studio-band { background: #0d0f12; border-top: 1px solid #3de5f455; }
.studio-heading { display: grid; grid-template-columns: 1.15fr 1fr; gap: 72px; align-items: center; }
.studio-heading > p { color: var(--muted); }
.studio-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; margin-top: 44px; }
.studio-steps article { padding-top: 24px; border-top: 1px solid var(--line); }
.step-number { color: var(--cyan); font-size: .875rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.studio-steps h3 { margin: 12px 0 10px; }
.studio-steps p { color: var(--muted); font-size: .9375rem; }
.studio-bottom { margin-top: 44px; border-top: 1px solid var(--line); padding-top: 24px; display: grid; grid-template-columns: .9fr 1.4fr; gap: 32px; }
.studio-bottom strong { color: var(--cyan); font-size: 1.125rem; }
.studio-bottom p { color: var(--muted); font-size: .9375rem; }
.section-head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; }
.section-head-row > p { margin: 0 0 6px; }
.function-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 32px; }
.function-grid article { min-width: 0; padding: 28px 0; border-top: 1px solid var(--line); }
.function-label { color: var(--cyan); font-size: .75rem; font-weight: 700; }
.function-label.pink { color: var(--pink); }
.function-label.lime { color: var(--lime); }
.function-grid h3 { margin: 8px 0 12px; font-size: 1.1875rem; }
.function-grid p { color: var(--muted); font-size: .9375rem; }
summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
.disclosure-icon { width: 24px; height: 24px; display: grid; place-items: center; flex-shrink: 0; color: var(--cyan); font: 400 24px/1 "Segoe UI", sans-serif; transition: transform 150ms; }
details[open] > summary > .disclosure-icon { transform: rotate(45deg); }
.overlay-catalog { margin-top: 24px; border-block: 1px solid var(--line); }
.overlay-catalog > summary { padding-block: 24px; font-size: 1.0625rem; font-weight: 750; }
.overlay-catalog > summary:hover { color: var(--cyan); }
.catalog-grid { padding: 4px 0 32px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.catalog-grid h3 { font-size: .9375rem; color: var(--cyan); }
.catalog-grid ul { padding: 0; margin: 12px 0 24px; list-style: none; color: var(--muted); font-size: .875rem; }
.catalog-grid li + li { margin-top: 6px; }
.section-note { margin-top: 18px; color: var(--muted); font-size: .8125rem; }
.start-band { background: #101015; }
.start-steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.start-steps li { border-top: 1px solid #ff63bd5c; padding-top: 24px; }
.start-steps .step-number { color: var(--pink); }
.start-steps h3 { margin: 12px 0; }
.start-steps p { color: var(--muted); font-size: .9375rem; }
.plan-note { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; gap: 32px; align-items: baseline; }
.plan-note strong { flex-shrink: 0; font-size: 1rem; }
.plan-note p { color: var(--muted); font-size: .875rem; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.5fr; gap: 80px; }
.faq-layout h2 { margin-top: 12px; font-size: 2rem; }
.faq-list { border-top: 1px solid var(--line); min-width: 0; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding-block: 20px; font-weight: 650; line-height: 1.75; }
.faq-list summary:hover { color: var(--cyan); }
.faq-list details > p { color: var(--muted); padding: 0 36px 24px 0; font-size: .9375rem; }
.final-cta { padding-block: 64px 76px; text-align: center; background: #000004; }
.final-cta img { margin: 0 auto 16px; }
.final-cta .eyebrow { color: var(--cyan); }
.final-cta h2 { margin-top: 14px; }
.final-cta p:not(.eyebrow) { margin: 20px 0 28px; color: var(--muted); }
.cta-note { display: block; margin-top: 18px; color: var(--muted); font-size: .8125rem; }
.footer { border-top: 1px solid var(--line); padding-block: 30px 24px; }
.footer-main { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 14px 28px; font-size: .875rem; }
.footer-meta { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 28px; color: var(--muted); font-size: .75rem; }
.footer-meta > span { flex-shrink: 0; }

@media (min-width: 1600px) {
  .hero-art { width: 1120px; top: 12px; }
  .hero-content { padding-top: 296px; padding-bottom: 52px; }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 56px); }
  .spotlight { gap: 36px; }
  .spotlight h3 { font-size: 1.625rem; }
  .hero-art { width: 840px; max-width: calc(100% - 40px); }
  .hero-content { padding-top: 222px; }
  h2 { font-size: 2.125rem; }
  .styles-grid { gap: 22px; }
  .styles-grid article + article { padding-left: 22px; }
  .studio-heading { gap: 36px; }
  .section-head-row { gap: 30px; }
  .faq-layout { gap: 40px; }
}
@media (max-width: 800px) {
  html { scroll-padding-top: 84px; }
  .topbar-inner { min-height: 64px; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .mobile-menu > summary { min-height: 42px; padding: 4px 10px; font-size: .875rem; font-weight: 650; }
  .mobile-menu > summary > span { font-size: 24px; line-height: 1; }
  .mobile-menu[open] > summary > span { transform: rotate(45deg); }
  .mobile-menu nav { position: absolute; top: 100%; right: 0; left: 0; padding: 16px 28px 24px; background: #101015; border-bottom: 1px solid var(--line); display: grid; gap: 8px; box-shadow: 0 16px 24px #0006; }
  .mobile-menu nav > a { min-height: 44px; display: flex; align-items: center; padding: 8px 12px; }
  .hero-art { width: calc(100% - 16px); }
  .hero-content { padding-top: 204px; }
  .hero-heading { font-size: 1.875rem; }
  .styles-grid { grid-template-columns: 1fr; gap: 20px; }
  .styles-grid article { display: grid; grid-template-columns: 76px 1fr; gap: 4px 20px; }
  .styles-grid article + article { padding: 20px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .style-label { grid-row: span 2; padding-top: 3px; }
  .styles-grid h3 { margin: 0; }
  .styles-grid p { grid-column: 2; margin: 0; }
  .styles-grid br { display: none; }
  .section { padding-block: 64px; }
  .spotlight { grid-template-columns: 1fr; gap: 28px; }
  .spotlight-copy { max-width: 580px; }
  .spotlight h3 { font-size: 1.875rem; }
  .bottle-visual { width: min(460px, 100%); margin-inline: auto; }
  .member-visual { grid-row: 2; width: 100%; margin-inline: 0; }
  .studio-heading { grid-template-columns: 1fr; gap: 20px; }
  .studio-steps { gap: 24px; }
  .studio-bottom { grid-template-columns: 1fr; gap: 10px; }
  .section-head-row { display: block; }
  .function-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .start-steps { grid-template-columns: 1fr; gap: 24px; }
  .start-steps li { display: flex; gap: 24px; }
  .start-steps .step-number { padding-top: 4px; }
  .start-steps h3 { margin: 0 0 8px; }
  .plan-note { display: block; }
  .plan-note p { margin-top: 10px; }
  .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .footer-main, .footer-meta { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 540px) {
  .container { width: calc(100% - 40px); }
  .brand { font-size: 1.125rem; }
  .brand img { width: 32px; height: 32px; }
  .hero-art { top: 22px; }
  .hero-content { padding-block: 160px 32px; }
  .hero-heading { font-size: 1.5rem; line-height: 1.6; }
  .hero-description { font-size: .9375rem; }
  .hero-actions { flex-direction: column; gap: 12px; margin-top: 22px; }
  .hero-actions .button { width: 100%; max-width: 340px; }
  .hero-note { max-width: 280px; margin-inline: auto; font-size: .75rem; }
  .styles-band { padding-block: 24px; }
  .styles-grid article { grid-template-columns: 62px 1fr; gap: 8px 12px; }
  .styles-grid h3 { font-size: 1rem; }
  .styles-grid p { font-size: .8125rem; }
  h2 { font-size: 1.75rem; line-height: 1.6; }
  .section { padding-block: 52px; }
  .section-head { margin-bottom: 30px; }
  .section-head > p:last-child:not(.eyebrow) { font-size: .9375rem; }
  .spotlight h3 { font-size: 1.5rem; line-height: 1.6; }
  .spotlight-copy > p:not(.feature-index) { font-size: .9375rem; }
  .spotlight + .spotlight { padding-top: 40px; margin-top: 36px; }
  .feature-notes { font-size: .8125rem; }
  .studio-steps { grid-template-columns: 1fr; margin-top: 28px; gap: 20px; }
  .studio-steps article { display: grid; grid-template-columns: 32px 1fr; gap: 8px 16px; padding-top: 20px; }
  .studio-steps .step-number { grid-row: span 2; padding-top: 4px; }
  .studio-steps h3 { margin: 0; }
  .studio-steps p { grid-column: 2; }
  .function-grid { grid-template-columns: 1fr; }
  .function-grid article { padding-block: 22px; }
  .function-grid h3 { margin-block: 6px 8px; }
  .catalog-grid { gap: 24px 16px; }
  .overlay-catalog > summary { font-size: .9375rem; }
  .faq-layout h2 { font-size: 1.75rem; }
  .faq-list summary { font-size: .9375rem; }
  .faq-list details > p { padding-right: 0; }
  .final-cta { padding-block: 48px 56px; }
  .final-cta .button { width: 100%; max-width: 340px; padding-inline: 16px; gap: 16px; }
  .final-cta p:not(.eyebrow) { font-size: .9375rem; }
  .footer nav { gap: 14px 24px; }
}
@media (max-width: 390px) {
  .container { width: calc(100% - 32px); }
  .hero-content { padding-top: 128px; }
  .hero-heading { font-size: 1.375rem; }
  .catalog-grid { grid-template-columns: 1fr; }
  .styles-grid article { grid-template-columns: 56px 1fr; gap: 8px 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
