:root {
  --paper: oklch(96.5% 0.012 83);
  --paper-deep: oklch(91.5% 0.022 79);
  --ink: oklch(23% 0.022 67);
  --ink-soft: oklch(43% 0.026 68);
  --olive: oklch(39% 0.052 124);
  --olive-light: oklch(84% 0.045 119);
  --clay: oklch(56% 0.105 45);
  --line: oklch(78% 0.022 78);
  --font-serif: "Noto Serif TC", "Songti TC", "STSong", serif;
  --font-sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 82px;
  padding: 12px clamp(20px, 4vw, 68px);
  border-bottom: 1px solid transparent;
  background: color-mix(in oklch, var(--paper) 91%, transparent);
  backdrop-filter: blur(12px);
  transition: border-color 240ms ease;
}
.site-header.scrolled { border-color: var(--line); }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 19px;
}
.brand strong, .brand small { display: block; }
.brand strong { font-family: var(--font-serif); font-size: 18px; letter-spacing: .12em; }
.brand small { margin-top: -3px; font-size: 8px; letter-spacing: .17em; }
.desktop-nav { display: flex; gap: clamp(22px, 3vw, 48px); }
.desktop-nav a {
  position: relative;
  text-decoration: none;
  font-size: 14px;
}
.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}
.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-self: end;
  font-size: 14px;
  font-weight: 700;
  text-underline-offset: 6px;
}
.header-cta .icon-arrow { margin-left: 8px; color: var(--clay); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(520px, 1.22fr);
  min-height: calc(100svh - 82px);
  padding: clamp(34px, 5vw, 82px) clamp(20px, 4vw, 68px) clamp(46px, 6vw, 96px);
  overflow: hidden;
}
.hero-copy {
  position: relative;
  z-index: 2;
  align-self: center;
  padding-right: clamp(24px, 4vw, 76px);
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 28px;
  color: var(--olive);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
}
.eyebrow span {
  display: inline-grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 10px;
}
.hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(54px, 6.2vw, 110px);
  font-weight: 600;
  letter-spacing: -.055em;
  line-height: .98;
}
.hero h1 em { color: var(--clay); font-weight: 500; }
.hero-intro {
  max-width: 32rem;
  margin: clamp(28px, 4vw, 52px) 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.9;
}
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 36px; }
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .slot:focus-visible, input:focus-visible, textarea:focus-visible, .change-session:focus-visible, a:focus-visible {
  outline: 3px solid var(--clay);
  outline-offset: 4px;
}
.button-primary { background: var(--ink); color: var(--paper); }
.button-primary:hover { background: var(--olive); }
.text-link { font-weight: 700; text-underline-offset: 6px; }
.text-link .icon-arrow { margin-left: 6px; }
.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: clamp(44px, 6vw, 82px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.hero-facts div { min-width: 0; }
.hero-facts dt { font-family: var(--font-serif); font-size: clamp(20px, 2vw, 28px); font-weight: 700; }
.hero-facts dd { margin: 2px 0 0; color: var(--ink-soft); font-size: 12px; }
.hero-visual { position: relative; min-width: 0; margin: 0; }
.hero-visual::before {
  position: absolute;
  z-index: 1;
  top: -18px;
  right: -18px;
  width: 46%;
  height: 38%;
  border-top: 1px solid var(--clay);
  border-right: 1px solid var(--clay);
  content: "";
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 52% center; filter: saturate(.82) contrast(.98); }
.hero-visual figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  display: grid;
  min-width: min(78%, 440px);
  padding: 18px 24px;
  background: var(--olive);
  color: var(--paper);
}
.hero-visual figcaption span:first-child { font-family: var(--font-serif); font-size: 20px; font-weight: 700; }
.hero-visual figcaption span:last-child { color: var(--olive-light); font-size: 12px; }
.image-number {
  position: absolute;
  top: 18px;
  right: 22px;
  color: color-mix(in oklch, var(--paper) 86%, transparent);
  font-family: var(--font-serif);
  font-size: 14px;
}

.belief-band {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 5vw, 80px);
  padding: 28px clamp(20px, 4vw, 68px);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.7vw, 22px);
  letter-spacing: .04em;
  text-align: center;
}
.belief-band p { margin: 0; }
.belief-band span { color: var(--clay); }

.section { padding: clamp(84px, 11vw, 168px) clamp(20px, 7vw, 120px); }
.section-heading { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: end; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.section-heading h2, .schedule-heading h2, .corporate h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(38px, 4.8vw, 76px);
  font-weight: 600;
  letter-spacing: -.045em;
  line-height: 1.18;
}
.section-heading > p:last-child { max-width: 28rem; margin: 0 0 8px; color: var(--ink-soft); font-size: 18px; }
.service-list { margin-top: clamp(58px, 8vw, 112px); border-top: 1px solid var(--ink); }
.service-item {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) minmax(180px, .35fr);
  gap: 24px;
  align-items: start;
  padding: clamp(28px, 4vw, 50px) 0;
  border-bottom: 1px solid var(--line);
  transition: padding 260ms ease, background 260ms ease;
}
.service-item:hover { padding-right: 22px; padding-left: 22px; background: color-mix(in oklch, var(--paper-deep) 55%, transparent); }
.service-index { color: var(--clay); font-family: var(--font-serif); font-size: 13px; }
.service-item h3 { margin: -9px 0 10px; font-family: var(--font-serif); font-size: clamp(26px, 3vw, 42px); font-weight: 600; }
.service-item p { max-width: 42rem; margin: 0; color: var(--ink-soft); }
.service-note { padding-top: 5px; color: var(--olive); font-size: 13px; font-weight: 700; }

.approach {
  display: grid;
  grid-template-columns: minmax(300px, .8fr) minmax(420px, 1.2fr);
  gap: clamp(52px, 10vw, 150px);
  background: var(--paper-deep);
}
.approach-photo { position: relative; margin: 0; }
.approach-photo img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; filter: saturate(.76); }
.approach-photo figcaption {
  position: absolute;
  right: -28px;
  bottom: 28px;
  max-width: 250px;
  padding: 15px 18px;
  background: var(--paper);
  font-family: var(--font-serif);
  font-size: 14px;
}
.approach-copy { align-self: center; }
.approach-copy blockquote {
  max-width: 720px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.3vw, 64px);
  font-weight: 600;
  letter-spacing: -.04em;
  line-height: 1.35;
}
.approach-copy > p:not(.eyebrow, .disclaimer) { max-width: 42rem; margin: 42px 0 0; color: var(--ink-soft); font-size: 18px; line-height: 1.9; }
.credentials { margin: 44px 0 0; border-top: 1px solid var(--line); }
.credentials div { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.credentials dt { font-weight: 700; }
.credentials dd { margin: 0; color: var(--ink-soft); }
.disclaimer { margin: 20px 0 0; color: var(--ink-soft); font-size: 12px; }

.schedule { background: var(--paper); }
.schedule-heading { display: grid; grid-template-columns: 1.15fr .55fr; gap: 50px; align-items: end; }
.schedule-heading .eyebrow { margin-bottom: 22px; }
.schedule-heading > p { max-width: 27rem; margin: 0 0 8px; color: var(--ink-soft); }
.schedule-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr);
  gap: clamp(34px, 7vw, 90px);
  margin-top: clamp(56px, 8vw, 100px);
}
.date-list { border-top: 1px solid var(--ink); }
.date-group { display: grid; grid-template-columns: 92px 1fr; gap: 26px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.date-group time { display: grid; align-content: start; text-align: center; }
.date-group time span, .date-group time small { color: var(--ink-soft); font-size: 12px; }
.date-group time strong { font-family: var(--font-serif); font-size: 42px; line-height: 1; }
.slots { display: grid; gap: 10px; }
.slot {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 16px;
  align-items: center;
  width: 100%;
  min-height: 62px;
  padding: 12px 16px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: background 180ms ease, border-color 180ms ease;
}
.slot:hover { background: var(--paper-deep); }
.slot.selected { border-color: var(--olive); background: var(--olive); color: var(--paper); }
.slot span { font-family: var(--font-serif); font-size: 18px; }
.slot strong { font-weight: 700; }
.slot small { color: var(--olive); font-size: 12px; }
.slot.selected small { color: var(--olive-light); }
.booking-panel {
  position: sticky;
  top: 112px;
  min-height: 430px;
  align-self: start;
  padding: clamp(28px, 4vw, 48px);
  background: var(--ink);
  color: var(--paper);
}
.booking-empty { display: grid; min-height: 330px; align-content: space-between; }
.booking-mark { color: var(--clay); font-family: var(--font-serif); font-size: 58px; }
.booking-panel h3 { margin: 0; font-family: var(--font-serif); font-size: clamp(26px, 2.8vw, 38px); line-height: 1.35; }
.booking-empty p, .booking-success p { margin: 12px 0 0; color: var(--paper-deep); }
.booking-form { display: grid; gap: 18px; }
.booking-label { margin: 0 0 4px; color: var(--olive-light); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.booking-form h3 { margin-bottom: 12px; }
.booking-form label { display: grid; gap: 7px; font-size: 13px; font-weight: 700; }
.booking-form label > span { color: var(--paper-deep); font-size: 11px; font-weight: 400; }
.booking-form input:not([type="checkbox"]), .booking-form textarea {
  width: 100%;
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid color-mix(in oklch, var(--paper) 38%, transparent);
  border-radius: 0;
  background: transparent;
  color: var(--paper);
  outline: 0;
  resize: vertical;
}
.booking-form input::placeholder, .booking-form textarea::placeholder { color: color-mix(in oklch, var(--paper) 48%, transparent); }
.booking-form input:focus, .booking-form textarea:focus { border-color: var(--clay); }
.consent { grid-template-columns: 20px 1fr; align-items: start; font-weight: 400 !important; line-height: 1.5; }
.consent input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--clay); }
.button-clay { width: 100%; margin-top: 4px; background: var(--clay); color: var(--paper); }
.button-clay:hover { background: color-mix(in oklch, var(--clay) 86%, white); }
.change-session { width: max-content; padding: 2px 0; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: var(--paper-deep); cursor: pointer; font-size: 12px; }
.booking-success { display: grid; min-height: 330px; align-content: center; }
.success-check { display: grid; width: 52px; height: 52px; margin-bottom: 30px; place-items: center; border: 1px solid var(--olive-light); border-radius: 50%; color: var(--olive-light); font-size: 24px; }
.booking-success .change-session { margin-top: 32px; }

.corporate {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr .55fr;
  gap: clamp(50px, 9vw, 140px);
  overflow: hidden;
  background: var(--olive);
  color: var(--paper);
}
.corporate-index { position: absolute; right: -20px; bottom: -180px; color: color-mix(in oklch, var(--paper) 7%, transparent); font-family: var(--font-serif); font-size: clamp(300px, 45vw, 720px); line-height: 1; }
.corporate .eyebrow { color: var(--olive-light); }
.corporate-copy, .corporate-detail { position: relative; z-index: 1; }
.corporate-detail { align-self: end; }
.corporate-detail > p { margin: 0 0 26px; color: var(--olive-light); font-size: 18px; }
.corporate-detail ul { margin: 0 0 34px; padding: 0; list-style: none; }
.corporate-detail li { padding: 9px 0; border-bottom: 1px solid color-mix(in oklch, var(--paper) 24%, transparent); }
.button-light { background: var(--paper); color: var(--olive); }

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  padding: 64px clamp(20px, 7vw, 120px) 30px;
  background: var(--ink);
  color: var(--paper);
}
.footer-brand .brand-mark { border-color: var(--paper); }
.site-footer > div > p { color: var(--paper-deep); font-family: var(--font-serif); }
.site-footer address { display: grid; align-content: start; gap: 8px; color: var(--paper-deep); font-style: normal; font-size: 13px; }
.site-footer address a { color: var(--paper); }
.demo-note { grid-column: 1 / -1; margin: 32px 0 0; padding-top: 20px; border-top: 1px solid color-mix(in oklch, var(--paper) 15%, transparent); color: color-mix(in oklch, var(--paper) 55%, transparent); font-size: 11px; }

[hidden] { display: none !important; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms cubic-bezier(.22, 1, .36, 1), transform 700ms cubic-bezier(.22, 1, .36, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1050px) {
  .desktop-nav { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .hero { grid-template-columns: 1fr; gap: 54px; min-height: 0; }
  .hero-copy { padding-right: 0; }
  .hero-visual { min-height: min(78vw, 760px); }
  .section-heading, .schedule-heading { grid-template-columns: 1fr; }
  .section-heading .eyebrow { grid-column: auto; }
  .approach { grid-template-columns: .8fr 1.2fr; gap: 50px; }
  .schedule-layout { grid-template-columns: 1fr; }
  .booking-panel { position: static; }
}

@media (max-width: 720px) {
  .site-header { min-height: 70px; padding: 10px 18px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand strong { font-size: 15px; }
  .brand small { display: none; }
  .header-cta { font-size: 12px; }
  .hero { padding: 42px 18px 70px; }
  .hero h1 { font-size: clamp(50px, 17vw, 78px); }
  .hero-intro { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-facts { gap: 10px; }
  .hero-facts dt { font-size: 20px; }
  .hero-facts dd { font-size: 10px; line-height: 1.45; }
  .hero-visual { min-height: 118vw; }
  .hero-visual img { object-position: 62% center; }
  .hero-visual figcaption { min-width: 88%; padding: 14px 16px; }
  .belief-band { align-items: stretch; flex-direction: column; gap: 12px; text-align: left; }
  .belief-band span { display: none; }
  .section { padding: 90px 18px; }
  .section-heading { gap: 24px; }
  .service-list { margin-top: 56px; }
  .service-item { grid-template-columns: 42px 1fr; gap: 12px; }
  .service-item:hover { padding-right: 0; padding-left: 0; background: transparent; }
  .service-note { grid-column: 2; padding-top: 0; }
  .approach { grid-template-columns: 1fr; gap: 62px; }
  .approach-photo { width: 88%; }
  .approach-photo figcaption { right: -14%; }
  .credentials div { grid-template-columns: 105px 1fr; gap: 12px; }
  .schedule-heading { gap: 20px; }
  .date-group { grid-template-columns: 58px 1fr; gap: 10px; }
  .date-group time strong { font-size: 34px; }
  .slot { grid-template-columns: 54px 1fr; gap: 8px; padding: 12px 8px; }
  .slot small { grid-column: 2; }
  .booking-panel { min-height: 0; margin: 0 -18px; padding: 34px 24px; }
  .corporate { grid-template-columns: 1fr; gap: 54px; }
  .site-footer { grid-template-columns: 1fr; padding: 54px 18px 28px; }
  .demo-note { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}