:root {
  --bg: #f7f2ea;
  --bg-2: #efe7db;
  --surface: #fffdf9;
  --ink: #2f2925;
  --muted: #7a6e63;
  --line: #e2d8ca;
  --accent: #8a6f55;
  --accent-dark: #6e5642;
  --line-green: #06c755;
  --serif: "Iansui", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; /* 標題字體（芫荽），沿用舊變數名 */
  /* 內文：蘋果裝置用系統內建的蘋方，其他裝置用思源黑體 */
  --sans: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  --radius: 4px;
  --wrap: 1160px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.serif { font-family: var(--serif); font-weight: 600; letter-spacing: .06em; }
.container { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

/* ---------- 標題字體：芫荽（柔和的手寫印刷體，只有一種字重） ---------- */
:root :is(h1, h2, h3, .serif, .brand-zh, .price, .stats dd, .survey-fee dd, .steps b, .pillars b, summary, .calc-result b) { font-weight: 400; }
:root .hero h1 { letter-spacing: .14em; }
:root :is(.section-title, .intro h2) { letter-spacing: .1em; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; padding: 0 28px;
  color: #fff; transition: background .3s, color .3s, box-shadow .3s;
}
.site-header.solid { background: rgba(247, 242, 234, .96); color: var(--ink); box-shadow: 0 1px 0 var(--line); backdrop-filter: blur(6px); }
.brand { display: flex; align-items: center; text-decoration: none; position: relative; }
.logo { height: 42px; width: auto; transition: opacity .3s; }
.logo-dark { position: absolute; left: 0; top: 50%; transform: translateY(-50%); opacity: 0; }
.site-header.solid .logo-light { opacity: 0; }
.site-header.solid .logo-dark { opacity: 1; }
@media (max-width: 640px) { .logo { height: 34px; } }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 56px; height: 56px; opacity: .85; }
.brand-zh { font-family: var(--serif); font-size: 1.2rem; letter-spacing: .12em; }
.nav { display: flex; align-items: center; gap: 30px; font-size: .95rem; }
.nav a { text-decoration: none; opacity: .9; }
.nav a:hover { opacity: 1; }
.nav-cta { border: 1px solid currentColor; padding: 6px 16px; border-radius: 999px; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; color: inherit; position: relative; }
.nav-toggle span { position: absolute; left: 9px; right: 9px; height: 1.5px; background: currentColor; transition: transform .3s; }
.nav-toggle span:first-child { top: 15px; }
.nav-toggle span:last-child { top: 24px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
@media (max-width: 820px) {
  .site-header { padding: 0 16px; }
  .nav-toggle { display: block; }
  .nav {
    position: fixed; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); color: var(--ink);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: .25s;
  }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 14px 20px; border-top: 1px solid var(--line); }
  .nav-cta { border: 0; border-radius: 0; color: var(--accent-dark); font-weight: 700; }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 60%; }
.hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(30, 22, 16, .55) 0%, rgba(30, 22, 16, .15) 55%, rgba(30, 22, 16, 0) 100%),
    linear-gradient(180deg, rgba(30, 22, 16, .4) 0%, rgba(30, 22, 16, 0) 30%, rgba(30, 22, 16, .55) 100%);
}
.hero-text { text-shadow: 0 1px 12px rgba(20, 14, 10, .35); }
.hero-text { position: relative; max-width: var(--wrap); width: 100%; margin: 0 auto; padding: 0 24px 12vh; }
.eyebrow { font-size: .9rem; letter-spacing: .18em; margin: 0 0 18px; opacity: .92; }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(2.3rem, 6vw, 4.4rem); line-height: 1.35; letter-spacing: .1em; margin: 0 0 22px; }
.hero-sub { font-size: clamp(1rem, 1.6vw, 1.12rem); max-width: 34em; margin: 0 0 34px; opacity: .95; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 640px) { .hero-text { padding: 0 16px 10vh; } .eyebrow { font-size: .78rem; letter-spacing: .08em; } }

.btn { display: inline-block; text-decoration: none; padding: 13px 28px; border-radius: 999px; font-size: .95rem; letter-spacing: .08em; transition: background .2s, color .2s, transform .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-light { background: #fff; color: var(--ink); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .8); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }

/* ---------- Sections ---------- */
section { padding: 110px 0; }
@media (max-width: 640px) { section { padding: 72px 0; } }
.section-kicker { font-size: .78rem; letter-spacing: .3em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }
.section-title { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin: 0 0 14px; line-height: 1.4; }
.section-lead { color: var(--muted); margin: 0 0 48px; max-width: 40em; }

/* Intro */
.intro-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.intro h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); line-height: 1.6; margin: 0; }
.intro p { color: #4d443d; margin: 0 0 14px; }
.pillars { list-style: none; padding: 0; margin: 72px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.pillars li { padding: 28px 28px 0 0; display: grid; gap: 6px; }
.pillars li + li { padding-left: 28px; border-left: 1px solid var(--line); }
.pillars .num { font-family: var(--serif); color: var(--accent); font-size: .9rem; }
.pillars b { font-family: var(--serif); font-size: 1.15rem; letter-spacing: .08em; }
.pillars li > span:last-child { color: var(--muted); font-size: .93rem; }
@media (max-width: 820px) {
  .intro-grid { grid-template-columns: 1fr; gap: 24px; }
  .pillars { grid-template-columns: 1fr; margin-top: 40px; }
  .pillars li, .pillars li + li { padding: 22px 0; border-left: 0; border-bottom: 1px solid var(--line); }
}

/* Recent works */
.recent { padding-top: 0; }
.recent-grid { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 210px; gap: 10px; }
.recent-grid .g-item { aspect-ratio: auto; position: relative; }
.r-sun { grid-column: span 4; grid-row: span 2; order: -1; }
.r-kitchen, .r-bed, .r-entry, .r-corner { grid-column: span 2; grid-row: span 2; }
.r-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 14px 12px;
  font-size: .85rem; letter-spacing: .1em; color: #fff; text-align: left;
  background: linear-gradient(transparent, rgba(30, 22, 16, .55));
}
@media (max-width: 820px) {
  .recent-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .r-kitchen, .r-bed, .r-entry, .r-corner { grid-column: span 1; grid-row: span 2; }
  .r-sun { grid-column: span 2; grid-row: span 2; }
}

/* Before / After */
.works { background: var(--surface); }
.ba-list { display: grid; gap: 88px; }
.ba { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: center; }
.ba:nth-child(even) { grid-template-columns: 1fr 1.6fr; }
.ba:nth-child(even) .ba-pair { order: 2; }
.ba-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ba-pair figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--radius); aspect-ratio: 4 / 5; background: var(--bg-2); cursor: pointer; }
.ba-pair img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.ba-pair figure:hover img { transform: scale(1.03); }
.ba-pair figcaption {
  position: absolute; left: 10px; top: 10px; font-size: .75rem; letter-spacing: .15em;
  padding: 3px 10px; border-radius: 999px; background: rgba(255, 253, 249, .9); color: var(--ink);
}
.ba-pair figure:last-child figcaption { background: var(--accent); color: #fff; }
.ba-info h3 { font-family: var(--serif); font-weight: 600; font-size: 1.45rem; letter-spacing: .08em; margin: 0 0 10px; }
.ba-info p { color: #4d443d; margin: 0 0 12px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags span { font-size: .8rem; color: var(--accent-dark); background: var(--bg-2); padding: 2px 12px; border-radius: 999px; }
.stats { display: grid; grid-template-columns: repeat(3, auto); gap: 4px 22px; margin: 6px 0 18px; justify-content: start; }
.stats dt { font-size: .78rem; color: var(--muted); }
.stats dd { margin: 0; font-family: var(--serif); font-size: 1.15rem; font-weight: 600; color: var(--accent-dark); white-space: nowrap; }
@media (max-width: 820px) {
  .ba, .ba:nth-child(even) { grid-template-columns: 1fr; gap: 20px; }
  .ba:nth-child(even) .ba-pair { order: 0; }
  .ba-list { gap: 64px; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 4px 12px; }
  .stats dd { font-size: 1rem; white-space: normal; }
}

/* Case */
.case-grid { display: grid; grid-template-columns: 1fr 1.7fr; gap: 56px; align-items: start; margin-top: 24px; }
.case-story { position: sticky; top: 100px; }
.case-story p { color: #4d443d; margin: 0 0 16px; }
.case-story .tags { margin-bottom: 22px; }
.quote { font-size: 1.2rem; color: var(--accent-dark) !important; border-left: 2px solid var(--accent); padding-left: 16px; margin-top: 28px !important; }
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.g-item { padding: 0; border: 0; background: var(--bg-2); cursor: zoom-in; overflow: hidden; border-radius: var(--radius); aspect-ratio: 4 / 5; }
.g-item.g-wide { grid-column: span 2; aspect-ratio: 16 / 10; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.g-item:hover img { transform: scale(1.03); }
@media (max-width: 820px) {
  .case-grid { grid-template-columns: 1fr; gap: 32px; }
  .case-story { position: static; }
}

/* Services */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
.service-grid article { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px; }
.service-grid h3 { font-family: var(--serif); font-weight: 600; font-size: 1.25rem; letter-spacing: .1em; margin: 0 0 10px; }
.service-grid p { color: #4d443d; font-size: .95rem; margin: 0 0 16px; }
.service-grid ul { list-style: none; padding: 16px 0 0; margin: 0; border-top: 1px solid var(--line); font-size: .9rem; color: var(--muted); }
.service-grid li::before { content: "— "; color: var(--accent); }
.area { margin: 28px 0 0; color: var(--muted); font-size: .92rem; letter-spacing: .1em; }
@media (max-width: 1000px) { .service-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .service-grid { grid-template-columns: 1fr; } }

/* 草稿用：待確認標記，正式上線前全部替換 */
.todo { background: #fff1a8; color: #6b5300; padding: 1px 6px; border-radius: 3px; font-size: .88em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

/* Pricing */
.fine { font-size: .84rem; color: var(--muted); }
.survey {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 30px; margin-bottom: 28px;
}
.survey h3 { font-family: var(--serif); font-weight: 600; font-size: 1.2rem; letter-spacing: .06em; margin: 0 0 8px; }
.survey p { margin: 0 0 6px; color: #4d443d; }
.survey-fee { display: grid; gap: 10px; margin: 0; }
.survey-fee div { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px dashed var(--line); padding-bottom: 8px; gap: 12px; }
.survey-fee dt { font-size: .9rem; color: var(--muted); }
.survey-fee dd { margin: 0; font-family: var(--serif); font-size: 1.4rem; font-weight: 600; color: var(--accent-dark); white-space: nowrap; }
.survey-fee small, .price small { font-family: var(--sans); font-size: .8rem; font-weight: 400; color: var(--muted); }
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.price-grid article { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
.price-grid article.featured { border-top-color: var(--accent); }
.price-grid h3 { font-family: var(--serif); font-weight: 600; font-size: 1.15rem; letter-spacing: .08em; margin: 0 0 10px; }
.price-grid .price { font-family: var(--serif); font-size: 1.9rem; font-weight: 600; color: var(--accent-dark); margin: 0; line-height: 1.3; }
.price-grid .period { font-size: .88rem; color: var(--accent); margin: 2px 0 14px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.price-grid p { font-size: .92rem; color: #4d443d; margin: 0 0 10px; }
.min-note { margin: 16px 0 0; font-size: .9rem; color: var(--accent-dark); }
.calc { margin-top: 36px; padding: 28px 30px; background: var(--bg-2); border-radius: var(--radius); }
.calc h3 { font-family: var(--serif); font-weight: 600; margin: 0 0 14px; letter-spacing: .08em; }
.calc-row { display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: end; }
.calc-row label { display: grid; gap: 4px; font-size: .85rem; color: var(--muted); }
.calc-row select, .calc-row input[type="number"] {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 12px; min-width: 0;
}
.calc-row input[type="number"] { width: 120px; }
.calc-row .calc-check { display: flex; align-items: center; gap: 8px; font-size: .92rem; color: var(--ink); padding-bottom: 10px; }
.calc-check[hidden] { display: none; }
.calc-result { margin: 18px 0 4px; font-size: 1rem; }
.calc-result b { font-family: var(--serif); font-size: 2rem; color: var(--accent-dark); margin: 0 4px; }
@media (max-width: 1000px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .survey { grid-template-columns: 1fr; gap: 18px; padding: 22px 20px; } }
@media (max-width: 560px) {
  .price-grid { grid-template-columns: 1fr; }
  .calc { padding: 22px 18px; }
  .calc-row select { width: 100%; }
  .calc-row label:first-child { width: 100%; }
}

/* FAQ */
.faq-list { margin-top: 28px; border-top: 1px solid var(--line); max-width: 820px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative;
  font-family: var(--serif); font-weight: 600; font-size: 1.08rem; letter-spacing: .05em;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; top: 16px; font-size: 1.4rem; color: var(--accent); transition: transform .2s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin: 0 0 22px; color: #4d443d; }

/* About */
.about { background: var(--surface); }
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; }
.about p { color: #4d443d; }
.about-side { border-left: 1px solid var(--line); padding-left: 40px; }
.about-side h3 { font-family: var(--serif); font-weight: 600; letter-spacing: .08em; margin: 8px 0 8px; }
.license { margin: 0 0 28px; display: grid; gap: 10px; }
.license div { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; background: var(--bg); }
.license dt { font-size: .85rem; color: var(--muted); letter-spacing: .06em; }
.license dd { margin: 2px 0 0; font-size: 1.05rem; color: var(--ink); letter-spacing: .08em; font-variant-numeric: tabular-nums; }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; gap: 24px; } .about-side { border-left: 0; padding-left: 0; } }

/* Process */
.process { background: var(--bg-2); }
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 0; counter-reset: step; }
.steps li { counter-increment: step; padding: 0 32px 0 0; position: relative; display: grid; gap: 6px; align-content: start; }
.steps li::before {
  content: counter(step, decimal-leading-zero); font-family: var(--serif); color: var(--accent);
  font-size: 1.6rem; line-height: 1; padding-bottom: 16px; margin-bottom: 10px; border-bottom: 1px solid #cdbfac;
}
.steps b { font-family: var(--serif); font-size: 1.08rem; letter-spacing: .08em; }
.steps span { font-size: .9rem; color: var(--muted); }
@media (max-width: 1000px) { .steps { grid-template-columns: repeat(2, 1fr); row-gap: 36px; } }
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; row-gap: 0; }
  .steps li { grid-template-columns: 52px 1fr; column-gap: 12px; padding: 16px 0; border-bottom: 1px solid #cdbfac; }
  .steps li::before { grid-row: span 2; border: 0; padding: 0; margin: 0; }
}

/* Contact */
.contact { background: #3a312b; color: #f2ebe1; }
.contact .section-kicker { color: #d2b896; }
.contact-grid { display: grid; grid-template-columns: 1.7fr 1fr; gap: 40px; align-items: start; margin-top: 28px; }
.contact-lead { color: #d8cdbf; margin: 0; max-width: 36em; }
.contact-side { position: sticky; top: 96px; }
.side-title { margin: 0 0 12px; font-size: .85rem; letter-spacing: .2em; color: #c8bbab; }

/* 諮詢表單 */
.inquiry { background: var(--surface); color: var(--ink); border-radius: 6px; padding: 32px 32px 28px; }
.inquiry fieldset { border: 0; padding: 0; margin: 0 0 22px; min-width: 0; }
.inquiry legend, .inquiry .field { font-size: .95rem; font-weight: 500; margin-bottom: 10px; padding: 0; }
.inquiry legend em, .inquiry .field em { font-style: normal; font-size: .75rem; color: #fff; background: var(--accent); padding: 1px 7px; border-radius: 999px; margin-left: 6px; vertical-align: 1px; }
.inquiry legend small, .inquiry .field small { font-size: .8rem; color: var(--muted); font-weight: 400; margin-left: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { position: relative; cursor: pointer; }
.chips input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chips span {
  display: inline-block; padding: 7px 16px; border: 1px solid var(--line); border-radius: 999px;
  font-size: .9rem; background: var(--bg); transition: background .15s, border-color .15s, color .15s;
}
.chips label:hover span { border-color: var(--accent); }
.chips input:checked + span { background: var(--accent); border-color: var(--accent); color: #fff; }
.chips input:focus-visible + span { outline: 2px solid var(--accent-dark); outline-offset: 2px; }
.chips.invalid span { border-color: #c0532f; }
.field-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.inquiry .field { display: grid; gap: 6px; margin-bottom: 18px; }
.field-row .field { margin-bottom: 0; }
.inquiry select, .inquiry input[type="text"], .inquiry textarea {
  font: inherit; font-size: .95rem; font-weight: 400; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; width: 100%;
}
.inquiry textarea { resize: vertical; }
.inquiry select.invalid { border-color: #c0532f; }
.form-error { color: #b3471f; font-size: .9rem; margin: 0 0 10px; }
.btn-line {
  display: inline-flex; justify-content: center; align-items: center; width: 100%;
  font: inherit; font-size: 1.05rem; font-weight: 700; letter-spacing: .08em; color: #fff; text-decoration: none;
  background: var(--line-green); border: 0; border-radius: 999px; padding: 15px 24px; cursor: pointer; transition: background .2s;
}
.btn-line:hover { background: #05b34c; }
.btn-line.small, .btn-outline.small { width: auto; font-size: .9rem; padding: 9px 18px; }
.btn-outline { font: inherit; background: none; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); cursor: pointer; }
.form-hint { font-size: .84rem; color: var(--muted); margin: 10px 0 0; }
.qr-panel { display: flex; gap: 22px; align-items: center; margin-top: 20px; padding: 18px; border: 2px solid var(--line-green); border-radius: var(--radius); background: #fff; }
.qr-panel[hidden] { display: none; }
.qr-box { width: 300px; height: 300px; flex: none; }
@media (max-width: 560px) { .qr-box { width: 260px; height: 260px; } }
.qr-box svg { width: 100%; height: 100%; display: block; }
.qr-title { font-weight: 700; font-size: 1.05rem; margin: 0 0 6px; }
.qr-panel p { margin: 0 0 8px; font-size: .92rem; }
.qr-panel a { color: var(--accent-dark); }
@media (max-width: 560px) { .qr-panel { flex-direction: column; text-align: center; } }
.preview { margin-top: 20px; background: var(--bg-2); border-radius: var(--radius); padding: 16px 18px; }
.preview-title { margin: 0 0 8px; font-size: .9rem; }
.preview-title span { color: var(--line-green); font-weight: 700; }
.preview pre { margin: 0 0 12px; white-space: pre-wrap; font-family: var(--sans); font-size: .9rem; line-height: 1.7; }
.preview-actions { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-side { position: static; }
}
@media (max-width: 560px) {
  .inquiry { padding: 22px 16px; }
  .field-row { grid-template-columns: 1fr; }
}
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.contact-item {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 18px 22px; border: 1px solid rgba(242, 235, 225, .22); border-radius: var(--radius);
  text-decoration: none; transition: background .2s, border-color .2s;
}
.contact-item:hover { background: rgba(242, 235, 225, .06); border-color: rgba(242, 235, 225, .5); }
.contact-item .label { font-size: .85rem; color: #c8bbab; letter-spacing: .1em; }
.contact-item .value { font-family: var(--serif); font-size: 1.1rem; letter-spacing: .06em; overflow-wrap: anywhere; text-align: right; }
.contact-item.line { background: var(--line-green); border-color: var(--line-green); color: #fff; }
.contact-item.line .label { color: rgba(255, 255, 255, .9); }
.contact-item.line:hover { background: #05b34c; }

/* Footer */
.site-footer { background: #2c2520; color: #b9ab9b; padding: 36px 0 90px; font-size: .88rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; align-items: end; }
.site-footer p { margin: 0; }
.site-footer .brand-zh { color: #efe5d8; font-size: 1rem; margin-bottom: 4px; }

/* Floating LINE */
.float-line {
  position: fixed; right: 18px; bottom: 18px; z-index: 40;
  background: var(--line-green); color: #fff; text-decoration: none; font-weight: 700; font-size: .92rem;
  padding: 12px 20px; border-radius: 999px; box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
  opacity: 0; transform: translateY(12px); pointer-events: none; transition: .3s;
}
.float-line.show { opacity: 1; transform: none; pointer-events: auto; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(20, 16, 13, .92); display: flex; align-items: center; justify-content: center; padding: 24px; }
.lightbox[hidden] { display: none; }
.lightbox img { max-height: 90vh; max-width: 100%; object-fit: contain; border-radius: var(--radius); }
.lb-close { position: absolute; top: 14px; right: 18px; background: none; border: 0; color: #fff; font-size: 2.2rem; cursor: pointer; line-height: 1; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition: none !important; }
}