:root {
  --ink: #272922;
  --olive: #4a4d40;
  --olive-deep: #383b31;
  --paper: #f7f6f3;
  --white: #ffffff;
  --line: rgba(39, 41, 34, 0.22);
  --muted: #76796f;
  --serif: "Noto Serif TC", "Source Han Serif TC", "Songti TC", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.75; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--white); padding: .65rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header { height: 92px; display: grid; grid-template-columns: 250px 1fr auto; align-items: center; gap: 2rem; padding: 0 clamp(1.25rem, 5vw, 5.75rem); border-bottom: 1px solid var(--line); background: rgba(247,246,243,.92); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 50; }
.wordmark { display: flex; align-items: baseline; gap: .65rem; font-family: var(--serif); letter-spacing: .14em; }
.wordmark-name { font-size: 1.22rem; }
.wordmark-office { font-size: .76rem; color: var(--muted); }
.site-nav { justify-self: center; display: flex; gap: clamp(1.5rem, 3vw, 3rem); font-size: .88rem; letter-spacing: .08em; }
.site-nav a { position: relative; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.4rem; height: 1px; background: currentColor; transition: right .25s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.header-cta { border: 1px solid var(--olive); padding: .7rem 1.25rem; font-size: .86rem; letter-spacing: .08em; transition: .25s; }
.header-cta:hover { background: var(--olive); color: var(--white); }
.menu-button { display: none; border: 0; background: transparent; }

.hero { min-height: calc(100vh - 92px); display: grid; grid-template-columns: minmax(80px, .45fr) minmax(380px, 1.45fr) minmax(340px, 1fr); grid-template-rows: 1fr; position: relative; overflow: hidden; background-image: linear-gradient(135deg, rgba(255,255,255,.5), transparent 45%); }
.vertical-signature { padding: 4.5rem 1rem 2rem clamp(1.5rem, 5vw, 5.75rem); display: flex; flex-direction: column; align-items: flex-start; gap: .8rem; border-right: 1px solid var(--line); font-family: var(--serif); font-size: clamp(2rem, 3vw, 3.2rem); font-weight: 300; line-height: 1; }
.vertical-signature b { margin-top: 1rem; padding-top: 1.4rem; border-top: 1px solid var(--ink); font: 400 .75rem/1.3 var(--sans); writing-mode: vertical-rl; letter-spacing: .35em; }
.hero-copy { padding: clamp(4.5rem, 9vh, 8rem) clamp(2.5rem, 6vw, 7rem); display: flex; flex-direction: column; justify-content: center; position: relative; }
.hero-copy::before { content: ""; position: absolute; top: 9%; right: 8%; width: 74px; height: 1px; background: var(--line); transform: rotate(90deg); transform-origin: right center; }
.eyebrow, .section-index { margin: 0 0 2rem; font-size: .72rem; letter-spacing: .2em; color: var(--muted); }
.hero h1 { margin: 0; font: 400 clamp(3rem, 5.25vw, 6.25rem)/1.16 var(--serif); letter-spacing: -.04em; }
.hero h1 span, .hero h1 em { display: block; }
.hero h1 em { color: var(--olive); font-style: normal; }
.hero-intro { max-width: 620px; margin: 2.5rem 0 0; color: #565951; font-size: 1.04rem; }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 2.5rem; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 2rem; min-width: 220px; padding: 1rem 1.25rem; border: 1px solid currentColor; letter-spacing: .06em; transition: transform .2s, background .2s, color .2s; }
.button:hover { transform: translateY(-2px); }
.button-light { background: var(--olive); color: var(--white); border-color: var(--olive); }
.button-light:hover { background: var(--olive-deep); }
.text-link { padding: .6rem 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.hero-panel { background: var(--olive); color: var(--white); padding: clamp(3rem, 7vw, 7rem) clamp(2rem, 4vw, 4rem) 3rem; position: relative; display: flex; flex-direction: column; overflow: hidden; }
.monogram { position: absolute; right: -1.8rem; bottom: -6rem; color: rgba(255,255,255,.1); font: 400 clamp(14rem, 25vw, 29rem)/.8 Georgia, serif; }
.panel-title { display: flex; flex-direction: column; align-items: flex-end; font-family: var(--serif); font-size: 1.35rem; letter-spacing: .32em; line-height: 1.55; }
.panel-rule { height: 1px; background: rgba(255,255,255,.75); margin: 4rem 0 3rem; }
.hero-panel ul { list-style: none; margin: 0; padding: 0; font-family: var(--serif); font-size: 1.12rem; letter-spacing: .16em; }

.section-pad { padding: clamp(5.5rem, 10vw, 10rem) clamp(1.5rem, 8vw, 9.5rem); }
.statement { display: grid; grid-template-columns: 1fr 2fr; gap: 4rem; border-bottom: 1px solid var(--line); }
.statement > div { max-width: 800px; }
.statement-lead { margin: 0 0 2rem; font: 400 clamp(2rem, 3.5vw, 4rem)/1.45 var(--serif); }
.statement-body { margin: 0; max-width: 650px; color: var(--muted); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 2rem; margin-bottom: 5rem; }
.section-head .section-index { grid-column: 1 / 3; }
.section-head h2, .about-copy h2, .contact h2 { margin: 0; font: 400 clamp(2.4rem, 4.35vw, 5rem)/1.3 var(--serif); letter-spacing: -.035em; }
.about-copy h2 span { display: block; white-space: nowrap; }
.section-head > p:last-child { justify-self: end; max-width: 390px; color: var(--muted); }
.service-row { display: grid; grid-template-columns: 90px 1fr 180px; gap: 2rem; align-items: center; border-top: 1px solid var(--line); padding: 2.4rem 0; }
.service-row:last-child { border-bottom: 1px solid var(--line); }
.service-number, .service-en { font-size: .7rem; letter-spacing: .16em; color: var(--muted); }
.service-row h3 { margin: 0 0 .35rem; font: 400 clamp(1.8rem, 3vw, 3rem)/1.2 var(--serif); }
.service-row p { margin: 0; max-width: 650px; color: var(--muted); }
.service-en { text-align: right; }

.cases { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-placeholder { min-height: 260px; border: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; grid-template-rows: 1fr auto; gap: 2rem; align-items: end; padding: clamp(2rem, 5vw, 4rem); position: relative; overflow: hidden; }
.case-placeholder::after { content: "W"; position: absolute; right: -1rem; bottom: -6rem; color: rgba(74,77,64,.055); font: 400 clamp(12rem, 26vw, 27rem)/1 Georgia, serif; }
.case-placeholder span, .case-placeholder small { position: relative; z-index: 1; font-size: .7rem; letter-spacing: .18em; color: var(--muted); }
.case-placeholder p { position: relative; z-index: 1; grid-column: 1; margin: 0; font: 400 clamp(2rem, 4vw, 4rem)/1.2 var(--serif); }
.case-placeholder small { grid-column: 2; grid-row: 2; }

.about { display: grid; grid-template-columns: .85fr 1.15fr; min-height: 820px; }
.about-dark { background: var(--olive); color: var(--white); padding: clamp(3rem, 6vw, 6rem); position: relative; overflow: hidden; }
.about-dark .section-index { color: rgba(255,255,255,.55); }
.about-mark { margin: 4rem 0 0; font: 300 clamp(3.5rem, 6vw, 6.5rem)/1.35 var(--serif); letter-spacing: .22em; }
.about-mark::after { content: ""; display: block; width: 1px; height: 82px; margin-top: 2rem; background: rgba(255,255,255,.65); }
.about-role { margin: 1.25rem 0 0; font: 400 1rem/1.3 var(--serif); letter-spacing: .55em; writing-mode: vertical-rl; color: rgba(255,255,255,.84); }
.about-en { position: absolute; left: 1.5rem; bottom: -8rem; margin: 0; color: rgba(255,255,255,.09); font: 400 clamp(12rem, 24vw, 28rem)/1 Georgia, serif; letter-spacing: -.08em; }
.about-copy { background: var(--white); padding: clamp(5rem, 10vw, 10rem) clamp(2.5rem, 8vw, 8rem); }
.about-copy > p:not(.eyebrow) { max-width: 650px; margin: 2.5rem 0 4rem; color: var(--muted); }
.experience { margin-top: 4rem; }
.experience h3 { margin: 0 0 1.5rem; font: 400 1rem/1.4 var(--sans); letter-spacing: .18em; color: var(--muted); }
.experience ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 1rem; }
.experience li { padding: 0; font: 400 clamp(1.05rem, 1.5vw, 1.25rem)/1.65 var(--serif); }

.section-head.compact { display: block; }
.process-list { list-style: none; padding: 0; margin: 5rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.process-list li { min-height: 290px; display: flex; flex-direction: column; justify-content: space-between; padding: 2rem; border: 1px solid var(--line); border-right: 0; }
.process-list li:last-child { border-right: 1px solid var(--line); }
.process-list li > span { font: 400 2.3rem/1 Georgia, serif; color: var(--olive); }
.process-list h3 { margin: 0 0 .65rem; font: 400 1.45rem/1.3 var(--serif); }
.process-list p { margin: 0; color: var(--muted); }

.contact { display: grid; grid-template-columns: .82fr 1.18fr; background: var(--olive); color: var(--white); }
.contact h2 span { display: block; white-space: nowrap; }
.contact-main { padding: clamp(5rem, 10vw, 10rem) clamp(2rem, 8vw, 9rem); }
.contact .section-index { color: rgba(255,255,255,.55); }
.contact-main > p:not(.section-index) { max-width: 560px; margin: 2rem 0 3rem; color: rgba(255,255,255,.68); }
.button-dark { color: var(--white); border-color: rgba(255,255,255,.7); }
.button-dark:hover { background: var(--white); color: var(--olive); }
.contact-quick { margin-top: 4rem; display: flex; flex-direction: column; gap: .25rem; font-size: .86rem; }
.contact-quick span { margin-bottom: .4rem; color: rgba(255,255,255,.5); letter-spacing: .14em; font-size: .7rem; }
.contact-quick a:hover { text-decoration: underline; }
.booking-form { background: var(--white); color: var(--ink); padding: clamp(4rem, 8vw, 7rem) clamp(2rem, 6vw, 6rem); min-height: 760px; scroll-margin-top: 92px; }
.form-progress { display: flex; gap: 0; margin-bottom: 4rem; }
.form-progress span { flex: 1; padding-bottom: .8rem; border-bottom: 1px solid var(--line); font: 400 .72rem/1 var(--sans); letter-spacing: .15em; color: #aaa; }
.form-progress span.is-current, .form-progress span.is-complete { color: var(--olive); border-color: var(--olive); }
.form-step { display: none; border: 0; padding: 0; margin: 0; }
.form-step.is-active { display: block; animation: formIn .35s ease both; }
.form-step legend { width: 100%; margin: 0 0 2.4rem; padding: 0; font: 400 clamp(1.8rem, 3.2vw, 3rem)/1.3 var(--serif); }
.form-step > label:not(.consent) { display: block; margin-bottom: 1.6rem; color: var(--muted); font-size: .82rem; letter-spacing: .08em; }
.form-step input:not([type="radio"]):not([type="checkbox"]), .form-step textarea, .form-step select { display: block; width: 100%; margin-top: .55rem; padding: .9rem 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; outline: 0; background: transparent; color: var(--ink); font: 400 1rem/1.6 var(--sans); }
.form-step input:focus, .form-step textarea:focus, .form-step select:focus { border-color: var(--olive); box-shadow: 0 1px 0 var(--olive); }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.choice-grid label { cursor: pointer; }
.choice-grid input { position: absolute; opacity: 0; }
.choice-grid span { display: block; padding: 1.25rem; border: 1px solid var(--line); transition: .2s; }
.choice-grid input:checked + span, .choice-grid input:focus-visible + span { background: var(--olive); border-color: var(--olive); color: var(--white); }
.booking-summary { padding: 1.5rem; background: var(--paper); line-height: 2; }
.booking-summary strong { display: inline-block; min-width: 6rem; color: var(--muted); font-weight: 400; }
.consent { display: grid; grid-template-columns: auto 1fr; gap: .8rem; align-items: start; margin-top: 1.5rem; font-size: .84rem; color: var(--muted); }
.consent input { margin-top: .4rem; }
.consent a { text-decoration: underline; }
.form-actions { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; }
.form-actions button { border: 1px solid var(--olive); background: transparent; padding: .9rem 1.2rem; cursor: pointer; min-width: 130px; }
.form-actions .form-next, .form-actions .form-submit { margin-left: auto; background: var(--olive); color: var(--white); }
.form-error { min-height: 1.5rem; margin: 1rem 0 0; color: #9a332a; font-size: .84rem; }
.form-trap { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; }
.form-success { margin-top: 2rem; padding: 1.5rem; border: 1px solid var(--olive); background: rgba(74,77,64,.06); }
.form-success strong { display: block; margin-bottom: .35rem; font: 400 1.3rem/1.4 var(--serif); color: var(--olive); }
.form-success p { margin: 0; color: var(--muted); }
.form-actions button:disabled { opacity: .55; cursor: wait; }
@keyframes formIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.privacy-header { grid-template-columns: 1fr auto; }
.privacy-page { display: grid; grid-template-columns: .72fr 1.28fr; }
.privacy-intro { min-height: calc(100vh - 92px); padding: clamp(5rem, 9vw, 9rem) clamp(2rem, 7vw, 7rem); background: var(--olive); color: var(--white); position: sticky; top: 92px; align-self: start; }
.privacy-intro .section-index, .privacy-intro > p:last-child { color: rgba(255,255,255,.58); }
.privacy-intro h1 { margin: 4rem 0 2rem; font: 400 clamp(3rem, 6vw, 6.5rem)/1.25 var(--serif); }
.privacy-content { padding: clamp(5rem, 9vw, 9rem) clamp(2rem, 8vw, 8rem); background: var(--white); }
.privacy-content section { max-width: 760px; padding: 0 0 3rem; margin: 0 0 3rem; border-bottom: 1px solid var(--line); }
.privacy-content h2 { margin: 0 0 1.4rem; font: 400 clamp(1.45rem, 2.2vw, 2rem)/1.4 var(--serif); }
.privacy-content p, .privacy-content li { color: #62655d; }
.privacy-content a { text-decoration: underline; }
.site-footer { padding: clamp(4rem, 7vw, 7rem) clamp(1.5rem, 8vw, 9rem) 2rem; background: var(--olive-deep); color: rgba(255,255,255,.72); position: relative; overflow: hidden; }
.site-footer::before, .site-footer::after { content: ""; position: absolute; width: 60vw; height: 240px; border: 1px solid rgba(255,255,255,.065); border-radius: 50%; transform: rotate(8deg); pointer-events: none; }
.site-footer::before { top: -125px; left: 20%; }
.site-footer::after { bottom: -170px; right: -15%; }
.footer-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(190px, .65fr) minmax(360px, 1.35fr); gap: clamp(4rem, 14vw, 14rem); padding-bottom: 4rem; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; align-items: flex-start; }
.footer-nav h2, .footer-contact h2 { margin: 0 0 1.5rem; color: var(--white); font: 400 1rem/1.5 var(--serif); letter-spacing: .14em; }
.footer-nav a { margin-bottom: .65rem; }
.footer-nav a:hover, .footer-contact a:hover, .footer-bottom a:hover { color: var(--white); text-decoration: underline; }
.footer-contact { font-style: normal; gap: 1.25rem; }
.footer-contact div { width: 100%; }
.footer-contact span { display: block; margin-bottom: .25rem; color: rgba(255,255,255,.42); font-size: .7rem; letter-spacing: .14em; }
.footer-contact i { padding: 0 .55rem; color: rgba(255,255,255,.32); font-style: normal; }
.footer-contact p { margin: 0; }
.footer-bottom { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 2rem; padding-top: 1.7rem; border-top: 1px solid rgba(255,255,255,.15); font-size: .72rem; color: rgba(255,255,255,.42); }
.footer-bottom p { margin: 0; }
.footer-bottom > div { display: flex; gap: .8rem; align-items: center; }
.floating-line { position: fixed; right: clamp(1rem, 2.5vw, 2rem); bottom: clamp(1rem, 2.5vw, 2rem); z-index: 70; min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: .55rem; padding: .62rem 1rem; border: 1px solid rgba(255,255,255,.32); border-radius: 999px; background: var(--olive-deep); color: var(--white); box-shadow: 0 8px 24px rgba(33,36,29,.2); font-size: .78rem; font-weight: 500; letter-spacing: .08em; transition: transform .2s, box-shadow .2s, background .2s; }
.floating-line:hover { transform: translateY(-2px); background: var(--olive); box-shadow: 0 11px 28px rgba(33,36,29,.28); }
.floating-line:focus-visible { outline: 3px solid var(--white); outline-offset: 3px; }
.floating-line-icon { width: 21px; height: 21px; flex: 0 0 21px; fill: none; stroke: currentColor; stroke-width: 1.35; stroke-linecap: round; stroke-linejoin: round; }
.floating-line-icon circle { fill: currentColor; stroke: none; }

@media (max-width: 900px) {
  .site-header { height: 74px; grid-template-columns: 1fr auto; }
  .wordmark-office, .header-cta { display: none; }
  .menu-button { display: flex; align-items: center; gap: .7rem; cursor: pointer; }
  .menu-button i, .menu-button i::after { display: block; width: 22px; height: 1px; background: currentColor; content: ""; transition: transform .2s; }
  .menu-button i::after { transform: translateY(6px); }
  .menu-button[aria-expanded="true"] i { transform: rotate(45deg); }
  .menu-button[aria-expanded="true"] i::after { transform: rotate(90deg); }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 74px; background: var(--paper); padding: 2rem; border-bottom: 1px solid var(--line); flex-direction: column; align-items: center; }
  .site-nav.is-open { display: flex; }
  .hero { grid-template-columns: 70px 1fr; grid-template-rows: auto auto; }
  .vertical-signature { grid-row: 1 / 3; padding: 3rem 1.2rem; }
  .hero-copy { padding: 5rem 2rem; }
  .hero-panel { grid-column: 2; min-height: 440px; padding: 3rem 2rem; }
  .statement { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; }
  .about-dark { min-height: 600px; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li, .process-list li:last-child { min-height: 220px; border: 1px solid var(--line); border-bottom: 0; }
  .process-list li:last-child { border-bottom: 1px solid var(--line); }
  .contact { grid-template-columns: 1fr; }
  .booking-form { min-height: 680px; }
  .privacy-page { grid-template-columns: 1fr; }
  .privacy-intro { min-height: auto; position: static; }
  .footer-grid { grid-template-columns: 1fr 1.4fr; gap: 4rem; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 620px) {
  body { font-size: 1rem; }
  .site-header { padding: 0 1.15rem; }
  .wordmark-name { font-size: 1.08rem; }
  .menu-button { min-height: 44px; padding: .5rem 0; }
  .site-nav { gap: 1.35rem; padding: 1.75rem 1.25rem 2rem; font-size: 1rem; }
  .site-nav a { min-height: 36px; display: flex; align-items: center; }
  .hero { grid-template-columns: 50px 1fr; }
  .vertical-signature { padding: 2.5rem .85rem; font-size: 1.7rem; gap: .65rem; }
  .vertical-signature b { font-size: .68rem; }
  .hero-copy { padding: 3.75rem 1.35rem 4.25rem; }
  .hero-copy::before { display: none; }
  .eyebrow, .section-index { margin-bottom: 1.5rem; }
  .hero h1 { font-size: clamp(2.55rem, 12.5vw, 3.65rem); line-height: 1.18; }
  .hero-intro { margin-top: 2rem; font-size: 1rem; line-height: 1.9; }
  .about-copy h2 span { white-space: normal; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 1rem; }
  .button { width: 100%; }
  .hero-panel { min-height: 360px; padding: 2.75rem 1.5rem; }
  .panel-rule { margin: 2.5rem 0 2rem; }
  .section-pad { padding: 4.75rem 1.35rem; }
  .section-head { grid-template-columns: 1fr; }
  .section-head .section-index { grid-column: 1; }
  .section-head > p:last-child { justify-self: start; }
  .section-head h2, .about-copy h2, .contact h2 { font-size: clamp(2.2rem, 10vw, 3.15rem); }
  .contact h2 { font-size: clamp(2.05rem, 8.5vw, 2.7rem); line-height: 1.35; }
  .service-row { grid-template-columns: 42px 1fr; gap: 1rem; align-items: start; }
  .service-en { grid-column: 2; text-align: left; }
  .about-dark { min-height: 500px; padding: 3rem 1.5rem; }
  .about-copy { padding: 4.75rem 1.35rem; }
  .about-copy > p:not(.eyebrow) { margin: 2rem 0 3rem; }
  .experience { margin-top: 3rem; }
  .experience ul { gap: .8rem; }
  .process-list { margin-top: 3rem; }
  .process-list li, .process-list li:last-child { min-height: 190px; padding: 1.5rem; }
  .contact-main, .booking-form { padding: 4.75rem 1.35rem; }
  .booking-form { min-height: 650px; }
  .choice-grid { grid-template-columns: 1fr; }
  .choice-grid span { min-height: 52px; display: flex; align-items: center; }
  .form-actions button { min-height: 48px; }
  .site-footer { padding: 4rem 1.35rem 1.75rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-contact { grid-column: 1; }
  .footer-contact a, .footer-nav a { min-height: 34px; display: flex; align-items: center; }
  .footer-bottom > div { align-items: flex-start; flex-wrap: wrap; }
  .floating-line { width: 46px; min-height: 46px; padding: 0; }
  .floating-line > span:last-child { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
}

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