:root {
  --paper: #f8f6ef;
  --ink: #242620;
  --muted: #64665c;
  --line: #d9dbd0;
  --blue: #2156dc;
  --blue-dark: #1744b3;
  --blue-light: #e0effb;
  --sage: #e8ecdf;
  --peach: #f6e4d2;
  --white: #fffef9;
  --orange: #ca6339;
  --radius: 20px;
  --font: 'Avenir Next', 'Segoe UI', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  color-scheme: light;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body { margin: 0; font-size: 16px; line-height: 1.65; }
a { color: inherit; text-decoration: none; cursor: pointer; touch-action: manipulation; }
button { color: inherit; font: inherit; cursor: pointer; touch-action: manipulation; }
button, a { -webkit-tap-highlight-color: transparent; }
a, button { transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; border-radius: 4px; }
::selection { background: #f4cd78; color: var(--ink); }
img { display: block; max-width: 100%; }
svg { display: inline-block; flex-shrink: 0; vertical-align: middle; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 600; line-height: 1.1; text-wrap: balance; }
p { text-wrap: pretty; }
em { font-family: Georgia, 'Songti TC', serif; font-weight: 400; }
.container { width: min(1248px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 24px; z-index: 100; padding: 12px 20px; background: var(--ink); color: var(--white); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 14px; flex-shrink: 0; min-height: 64px; }
.brand-logo { width: 88px; height: 72px; object-fit: cover; mix-blend-mode: multiply; }
.brand-text { display: flex; flex-direction: column; font-size: 12px; font-weight: 600; letter-spacing: .075em; line-height: 1.45; }
.brand-text strong { font-size: 15px; letter-spacing: -.025em; }
.header-right, .main-nav, .language-switch { display: flex; align-items: center; }
.header-right { gap: 28px; }
.main-nav { gap: 28px; }
.main-nav a { display: inline-flex; align-items: center; gap: 5px; min-height: 44px; font-size: 13px; font-weight: 500; }
.main-nav a:hover, .footer a:hover { color: var(--blue); }
.main-nav .nav-japan { color: var(--muted); }
.language-switch { padding-left: 24px; border-left: 1px solid var(--line); gap: 6px; }
.language-switch a { display: flex; align-items: center; justify-content: center; min-height: 44px; min-width: 40px; padding: 0 7px; font-size: 12px; }
.language-switch a[aria-current] { color: var(--blue); font-weight: 700; }
.language-switch a:hover { background: var(--sage); border-radius: 8px; }
.language-divider { color: var(--line); }
.menu-toggle { display: none; align-items: center; justify-content: center; background: transparent; border: 1px solid var(--line); width: 44px; height: 44px; border-radius: 8px; padding: 9px; }
.menu-toggle .close-icon { display: none; }
.menu-toggle[aria-expanded='true'] .menu-icon { display: none; }
.menu-toggle[aria-expanded='true'] .close-icon { display: block; }
.hero { display: grid; grid-template-columns: 1.04fr 1fr; align-items: center; padding-block: 80px 72px; gap: 20px; }
.eyebrow { display: flex; gap: 10px; align-items: center; font-size: 11px; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.eyebrow::before { content: ''; height: 7px; width: 7px; background: var(--blue); border-radius: 50%; flex-shrink: 0; }
.hero h1 { font-size: clamp(58px, 6.7vw, 94px); letter-spacing: -.065em; line-height: 1.07; margin-block: 29px 26px; }
.hero h1 em { color: var(--blue); letter-spacing: -.07em; }
.hero-copy { max-width: 490px; font-size: 16px; color: var(--muted); line-height: 1.85; }
.hero-actions { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 23px; min-height: 52px; padding: 13px 23px; border: 1px solid transparent; border-radius: 100px; background: var(--blue); color: white; font-weight: 600; font-size: 14px; line-height: 1.4; }
.button:hover { background: var(--blue-dark); }
.button:active { background: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 14px; font-weight: 600; }
.text-link:hover { color: var(--blue); }
.hero-art { position: relative; }
.hero-art img { width: 100%; height: auto; }
.hero-art-note { margin-top: -2px; text-align: center; font-size: 12px; letter-spacing: .035em; color: var(--muted); }
.section-top { border-top: 1px solid var(--line); padding-top: 30px; }
.chapter { font-size: 11px; font-weight: 600; letter-spacing: .13em; line-height: 1.5; }
.section-heading { display: flex; justify-content: space-between; gap: 48px; align-items: flex-end; margin-block: 20px 36px; }
.section-heading h2 { font-size: clamp(34px, 3.2vw, 46px); letter-spacing: -.045em; max-width: 620px; }
.section-heading p { color: var(--muted); font-size: 14px; max-width: 330px; line-height: 1.8; }
.ekiba-card { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); }
.ekiba-copy { padding: 48px 48px 42px; }
.product-category { font-size: 10px; letter-spacing: .13em; font-weight: 600; }
.ekiba-wordmark { font-size: 27px; font-weight: 700; letter-spacing: -.075em; display: inline-flex; align-items: center; gap: 9px; margin-bottom: 28px; line-height: 1; }
.ekiba-card h3 { font-size: clamp(32px, 3.4vw, 44px); margin-block: 13px 18px; letter-spacing: -.04em; }
.product-description { font-size: 14px; line-height: 1.9; color: var(--muted); max-width: 410px; }
.product-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 20px 24px; }
.product-tags span { font-size: 11px; padding: 5px 12px; border: 1px solid var(--line); border-radius: 30px; }
.ekiba-card .button { background: var(--ink); }
.ekiba-card .button:hover { background: var(--blue); }
.ekiba-art { display: flex; align-items: center; justify-content: center; position: relative; background: var(--sage); padding: 34px 10px 20px; min-width: 0; }
.ekiba-art img { width: 100%; height: auto; }
.art-caption { position: absolute; bottom: 16px; right: 20px; font-size: 10px; color: #54634a; letter-spacing: .04em; }
.upcoming-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
.app-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.app-illustration { min-height: 275px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; padding: 30px 30px 28px 36px; position: relative; }
.water-illustration { background: var(--blue-light); color: #174bb7; }
.time-illustration { background: var(--peach); color: #743b29; }
.app-illustration img { width: 220px; height: auto; }
.illustration-text { font-size: clamp(21px, 2.15vw, 30px); font-weight: 600; line-height: 1.3; letter-spacing: -.025em; }
.illustration-text small { display: block; margin-top: 20px; font-size: 9px; letter-spacing: .1em; line-height: 1.7; font-weight: 500; }
.app-details { padding: 30px 36px 34px; }
.app-topline { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; }
.coming-soon { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); padding: 5px 10px; border-radius: 30px; font-size: 10px; font-weight: 500; white-space: nowrap; }
.coming-soon::before { content: ''; width: 5px; height: 5px; border: 1px solid currentColor; border-radius: 50%; }
.app-details h3 { font-size: 30px; letter-spacing: -.035em; margin-bottom: 10px; }
.app-subtitle { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.upcoming-note { text-align: center; font-size: 12px; color: var(--muted); margin-top: 24px; }
.about { padding-block: 96px; }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-top: 38px; }
.about h2 { font-size: clamp(40px, 4.1vw, 58px); letter-spacing: -.05em; }
.about-lead { font-size: 22px; line-height: 1.5; letter-spacing: -.025em; margin-bottom: 20px; }
.about-body { font-size: 15px; color: var(--muted); line-height: 1.9; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; margin-top: 56px; }
.principle { padding-top: 22px; border-top: 1px solid var(--line); }
.principle-number { color: var(--blue); font-size: 12px; font-family: monospace; }
.principle h3 { font-size: 18px; margin-block: 13px 10px; letter-spacing: -.02em; }
.principle p { font-size: 13px; color: var(--muted); max-width: 300px; line-height: 1.8; }
.japan-section { background: var(--sage); border-block: 1px solid var(--line); }
.japan-inner { display: grid; grid-template-columns: 68px 1fr auto; gap: 32px; align-items: center; padding-block: 36px; }
.japan-mark { width: 64px; height: 64px; border: 1px solid #bfc6b5; border-radius: 50%; display: grid; place-items: center; }
.japan-mark span { width: 21px; height: 21px; background: #b84a3e; border-radius: 50%; }
.japan-copy .chapter { color: #53604c; font-size: 9px; }
.japan-copy h2 { font-size: 24px; letter-spacing: -.03em; margin-block: 8px; }
.japan-copy p { color: #53604c; font-size: 13px; }
.japan-inner .text-link { border-bottom: 1px solid #aab29e; }
.contact { padding-block: 84px 72px; display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: end; }
.contact h2 { font-size: clamp(44px, 5vw, 68px); letter-spacing: -.055em; margin-top: 22px; }
.contact h2 em { color: var(--blue); }
.contact-copy { padding-bottom: 3px; }
.contact-copy p { max-width: 350px; font-size: 15px; line-height: 1.85; color: var(--muted); }
.email-link { display: inline-flex; align-items: center; gap: 18px; margin-top: 24px; padding-block: 12px; border-bottom: 1px solid var(--ink); font-size: clamp(16px, 2vw, 23px); font-weight: 500; letter-spacing: -.025em; overflow-wrap: anywhere; }
.email-link:hover { color: var(--blue); border-color: var(--blue); }
.footer { border-top: 1px solid var(--line); padding-block: 28px 24px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-brand { display: flex; gap: 18px; align-items: center; }
.footer-brand img { width: 64px; height: 64px; mix-blend-mode: multiply; }
.footer-brand p { font-size: 13px; font-weight: 500; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; }
.footer-links a { display: flex; align-items: center; gap: 6px; min-height: 44px; font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 10px; color: var(--muted); }
.footer-bottom a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-top: -12px; }
:lang(zh-Hant) h1 { font-size: clamp(50px, 5.8vw, 80px); letter-spacing: -.045em; line-height: 1.25; }
:lang(zh-Hant) h1 em, :lang(zh-Hant) h2 em { font-family: var(--font); font-style: normal; font-weight: 600; letter-spacing: inherit; }
:lang(zh-Hant) .section-heading h2 { font-size: clamp(30px, 3vw, 42px); }
:lang(zh-Hant) .contact h2 { line-height: 1.25; }
:lang(zh-Hant) .illustration-text { line-height: 1.55; }
.language-entry { min-height: 100svh; display: grid; place-items: center; padding: 24px; text-align: center; }
.language-entry h1 { font-size: clamp(40px, 7vw, 72px); margin-block: 20px; }
.entry-logo { width: 180px; height: 150px; object-fit: cover; margin-inline: auto; mix-blend-mode: multiply; }
.entry-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 30px; }
.entry-note { margin-top: 22px; font-size: 14px; color: var(--muted); }
.not-found { min-height: 85svh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding-block: 64px; }
.not-found h1 { font-size: clamp(42px, 7vw, 80px); margin-block: 20px; }
.not-found p { max-width: 500px; color: var(--muted); margin-bottom: 28px; }
@media (min-width: 1500px) { .hero { padding-block: 96px 88px; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .brand-text { display: none; }
  .main-nav, .header-right { gap: 22px; }
  .hero { padding-block: 60px; }
  .hero h1 { font-size: 68px; }
  .ekiba-copy { padding: 36px; }
  .app-illustration { min-height: 250px; padding: 24px; }
  .app-illustration img { width: 185px; }
  .app-details { padding: 26px; }
  .about-layout { gap: 48px; }
  .japan-inner { gap: 24px; grid-template-columns: 60px 1fr; }
  .japan-inner > .text-link { grid-column: 2; justify-self: start; }
}
@media (max-width: 759px) {
  html { scroll-padding-top: 100px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 80px; gap: 8px; flex-wrap: wrap; }
  .brand { gap: 7px; }
  .brand-logo { width: 66px; height: 64px; }
  .brand-text { display: flex; font-size: 9px; letter-spacing: .015em; }
  .brand-text strong { font-size: 11px; }
  .header-right { gap: 9px; }
  html:not(.js) .header-inner { display: grid; grid-template-columns: 1fr auto; }
  html:not(.js) .header-right { display: contents; }
  html:not(.js) .main-nav { grid-column: 1 / -1; grid-row: 2; }
  html:not(.js) .language-switch { grid-column: 2; grid-row: 1; }
  .language-switch { border: none; padding: 0; gap: 0; }
  .language-switch a { padding-inline: 5px; min-width: 44px; font-size: 11px; }
  .menu-toggle { display: none; }
  .js .menu-toggle { display: flex; }
  .main-nav { width: 100%; flex-wrap: wrap; gap: 10px 22px; padding: 0 0 18px; }
  .js .main-nav { display: none; position: absolute; top: 79px; left: 20px; right: 20px; width: auto; padding: 16px; background: var(--white); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 24px #2426200d; }
  .js .main-nav[data-open='true'] { display: grid; gap: 4px; }
  .main-nav a { font-size: 14px; min-height: 46px; }
  .hero { grid-template-columns: 1fr; gap: 34px; padding-block: 44px 40px; }
  .eyebrow { font-size: 9px; letter-spacing: .06em; }
  .hero h1 { font-size: clamp(58px, 11.7vw, 88px); margin-block: 23px 24px; letter-spacing: -.065em; }
  .hero-copy { font-size: 15px; max-width: 480px; }
  .hero-actions { margin-top: 24px; gap: 20px; }
  .button { min-height: 50px; padding: 12px 20px; gap: 20px; font-size: 13px; }
  .hero-art { max-width: 430px; width: 100%; margin-inline: auto; }
  .hero-art-note { font-size: 11px; }
  .section-top { padding-top: 24px; }
  .section-heading { display: block; margin-block: 18px 28px; }
  .section-heading h2 { font-size: 34px; }
  .section-heading p { margin-top: 16px; font-size: 14px; max-width: 420px; }
  .ekiba-card { display: flex; flex-direction: column; }
  .ekiba-copy { padding: 30px 26px; }
  .ekiba-wordmark { margin-bottom: 25px; }
  .ekiba-card h3 { font-size: 36px; }
  .product-description { font-size: 14px; max-width: none; }
  .ekiba-art { min-height: 280px; padding: 20px; }
  .ekiba-art img { max-width: 480px; }
  .upcoming-grid { grid-template-columns: 1fr; gap: 20px; margin-top: 20px; }
  .app-illustration { min-height: 240px; grid-template-columns: 1fr 1fr; padding: 24px; }
  .illustration-text { font-size: clamp(21px, 5.3vw, 30px); }
  .app-illustration img { width: min(100%, 220px); justify-self: center; }
  .app-topline { gap: 8px; }
  .product-category { font-size: 9px; }
  .app-details { padding: 26px; }
  .upcoming-note { font-size: 11px; padding-inline: 8px; }
  .about { padding-block: 64px; }
  .about-layout { grid-template-columns: 1fr; gap: 26px; padding-top: 26px; }
  .about h2 { font-size: 42px; }
  .about-lead { font-size: 21px; }
  .principles { grid-template-columns: 1fr; margin-top: 34px; gap: 22px; }
  .principle { padding-top: 18px; display: grid; grid-template-columns: 28px 1fr; gap: 0 16px; }
  .principle-number { padding-top: 1px; }
  .principle h3 { margin-block: 0 9px; }
  .principle p { grid-column: 2; max-width: none; font-size: 14px; }
  .japan-inner { grid-template-columns: 44px 1fr; gap: 18px; padding-block: 30px; }
  .japan-mark { width: 44px; height: 44px; }
  .japan-mark span { width: 17px; height: 17px; }
  .japan-copy h2 { font-size: 22px; line-height: 1.3; }
  .contact { padding-block: 56px 48px; grid-template-columns: 1fr; gap: 26px; }
  .contact h2 { font-size: clamp(42px, 9vw, 62px); margin-top: 20px; }
  .contact-copy p { max-width: 430px; }
  .email-link { font-size: clamp(16px, 4.4vw, 22px); gap: 10px; margin-top: 15px; }
  .footer { padding-top: 20px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-brand { gap: 12px; }
  .footer-links { gap: 18px; }
  .footer-bottom { font-size: 9px; gap: 10px; }
  :lang(zh-Hant) h1 { font-size: clamp(43px, 9.5vw, 64px); line-height: 1.3; }
  :lang(zh-Hant) .section-heading h2 { font-size: 30px; }
  :lang(zh-Hant) .about h2 { font-size: 38px; }
}
@media (max-width: 374px) {
  .container { width: calc(100% - 32px); }
  .brand-text { display: none; }
  .hero h1 { font-size: 53px; }
  :lang(zh-Hant) h1 { font-size: 39px; }
  .app-topline { flex-wrap: wrap; }
  .app-illustration { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header { position: static; }
  .menu-toggle, .hero-art, .language-switch, .skip-link { display: none !important; }
  .container { width: 100%; }
  .hero { display: block; }
  .ekiba-card, .app-card { break-inside: avoid; }
}
