:root {
  --soil: #1C1611;     /* 夜土：底色 */
  --walnut: #3B2C20;   /* 胡桃 */
  --sand: #B39A7C;     /* 砂岩 */
  --linen: #EDE3D3;    /* 亞麻：主要文字 */
  --lamp: #E9B97A;     /* 燈暈：取自畫面中的間接照明 */
  --stone: #8F8170;    /* 石灰：次要文字 */

  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;

  --gutter: clamp(16px, 6vw, 96px);
  --lit: 0;            /* 由 JS 寫入：0 = 午後，1 = 燈全亮 */
}

*, *::before, *::after { box-sizing: border-box; }

html { background: var(--soil); }

body {
  margin: 0;
  background: var(--soil);
  color: var(--linen);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

p, dd, .steps span { text-wrap: pretty; }

:focus-visible {
  outline: 1px solid var(--lamp);
  outline-offset: 4px;
}

/* ---------- 頁首 ---------- */

.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s, border-color 0.4s;
}
/* 離開影格區後，頁首加上底色避免壓到內文 */
.site-head.is-solid {
  background: rgba(28, 22, 17, 0.88);
  backdrop-filter: blur(10px);
  border-bottom-color: rgba(179, 154, 124, 0.15);
}

.site-nav {
  display: flex;
  gap: clamp(16px, 2.4vw, 36px);
}
.site-nav a {
  font-size: 14px;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: rgba(237, 227, 211, 0.78);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}
.site-nav a:hover { color: var(--linen); border-bottom-color: rgba(233, 185, 122, 0.6); }
.site-nav a.is-current { color: var(--lamp); }

.head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  font: inherit;
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--linen);
  background: none;
  border: 0;
  padding: 8px 4px;
  cursor: pointer;
}

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
[id] { scroll-margin-top: 72px; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.3em;
}
.brand-sub {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.head-cta {
  font-size: 14px;
  letter-spacing: 0.15em;
  text-decoration: none;
  padding: 8px 18px;
  border: 1px solid rgba(233, 185, 122, 0.35);
  border-radius: 999px;
  background: rgba(28, 22, 17, 0.35);
  backdrop-filter: blur(6px);
  transition: border-color 0.3s, background-color 0.3s;
}
.head-cta:hover { border-color: var(--lamp); background: rgba(59, 44, 32, 0.6); }

/* ---------- 滾動影格區 ---------- */

.film {
  position: relative;
  height: 560vh;
}

.stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: var(--soil);
}

#frames {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* 把畫面壓進大地色 */
.tint {
  position: absolute;
  inset: 0;
  background: #B08A62;
  mix-blend-mode: multiply;
  opacity: 0.42;
}

/* 光暈：隨入夜程度增強 */
.glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  mix-blend-mode: screen;
  filter: blur(60px);
  background: radial-gradient(closest-side, rgba(233, 185, 122, 0.55), rgba(233, 185, 122, 0) 100%);
}
.glow-ceiling {
  width: 90vw; height: 34vh;
  left: 18vw; top: -14vh;
  opacity: calc(0.18 + var(--lit) * 0.6);
}
.glow-floor {
  width: 70vw; height: 30vh;
  left: 4vw; bottom: 4vh;
  opacity: calc(var(--lit) * 0.55);
}
.glow-shelf {
  width: 34vw; height: 70vh;
  left: -10vw; top: 10vh;
  opacity: calc(0.1 + var(--lit) * 0.45);
}

/* 讓影像邊緣溶進背景 */
.vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 78% 72% at 52% 48%, rgba(28, 22, 17, 0) 38%, rgba(28, 22, 17, 0.6) 72%, var(--soil) 100%),
    linear-gradient(to bottom, rgba(28, 22, 17, 0.55) 0%, rgba(28, 22, 17, 0) 22%, rgba(28, 22, 17, 0) 70%, var(--soil) 100%);
}

.grain {
  position: absolute;
  inset: 0;
  opacity: 0.09;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 章節文字 ---------- */

.chapter {
  position: absolute;
  z-index: 5;
  display: flex;
  flex-direction: row-reverse;
  align-items: flex-start;
  gap: clamp(20px, 3vw, 40px);
  opacity: 0;
  will-change: opacity, transform;
}

.chapter h2 {
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(30px, 3.6vw, 52px);
  line-height: 1.3;
  letter-spacing: 0.22em;
  text-shadow: 0 0 40px rgba(233, 185, 122, 0.35);
}

.chapter p {
  margin: 0;
  max-width: 16em;
  padding-top: 0.6em;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 2.1;
  letter-spacing: 0.06em;
  color: rgba(237, 227, 211, 0.86);
  text-shadow: 0 1px 18px rgba(28, 22, 17, 0.9);
}

.ch-right { right: calc(var(--gutter) + 110px); top: 22vh; }
.ch-left  { left: var(--gutter); top: 22vh; }

/* 首屏：直排大字是整頁唯一的重點 */
.hero {
  inset: 0;
  display: block;
}
.hero-title {
  position: absolute;
  right: calc(var(--gutter) + 40px);
  top: 13vh;
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(84px, 13vw, 200px);
  line-height: 1;
  letter-spacing: 0.12em;
  color: var(--linen);
  text-shadow:
    0 0 60px rgba(233, 185, 122, 0.45),
    0 0 140px rgba(233, 185, 122, 0.25);
}
.hero-sub {
  position: absolute;
  right: calc(var(--gutter) + 40px + clamp(84px, 13vw, 200px) + 18px);
  top: calc(13vh + 0.5em);
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: clamp(15px, 1.4vw, 20px);
  letter-spacing: 0.5em;
  color: var(--sand);
}
.hero-line {
  position: absolute;
  left: var(--gutter);
  bottom: 14vh;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 30px);
  letter-spacing: 0.14em;
  text-shadow: 0 1px 24px rgba(28, 22, 17, 0.9);
}

/* 光線時間軸：滾動位置 = 一天中的時刻 */
.hour {
  position: absolute;
  z-index: 6;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.hour-track {
  position: relative;
  display: block;
  width: 1px;
  height: 36vh;
  background: linear-gradient(to bottom, rgba(237, 227, 211, 0.35), rgba(233, 185, 122, 0.6));
}
.hour-dot {
  position: absolute;
  left: 50%;
  top: 0;
  width: 7px;
  height: 7px;
  margin: -3.5px 0 0 -3.5px;
  border-radius: 50%;
  background: var(--lamp);
  box-shadow: 0 0 14px 3px rgba(233, 185, 122, 0.7);
}
.hour-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

.scroll-hint {
  position: absolute;
  z-index: 6;
  left: 50%;
  bottom: 4vh;
  transform: translateX(-50%);
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--stone);
  white-space: nowrap;
}

.loader {
  position: absolute;
  z-index: 6;
  left: var(--gutter);
  bottom: 4vh;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
  transition: opacity 0.6s;
}
.loader.is-done { opacity: 0; }

/* ---------- 後續內容：共用 ---------- */

.section {
  position: relative;
  display: flex;
  flex-direction: row-reverse;
  justify-content: center;
  gap: clamp(32px, 7vw, 120px);
  padding: clamp(96px, 16vh, 180px) var(--gutter);
}

.vertical-heading {
  flex: none;
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(30px, 3.2vw, 44px);
  letter-spacing: 0.3em;
  color: var(--linen);
}

.rule { border-top: 1px solid rgba(179, 154, 124, 0.22); }

/* ---------- 關於我們 ---------- */

.about-body { width: min(100%, 52em); }
.about-body > p {
  margin: 0 0 1.4em;
  max-width: 34em;
  color: var(--stone);
}
.about-body > .about-lead {
  margin-bottom: 1.2em;
  max-width: 24em;
  font-family: var(--serif);
  font-size: clamp(21px, 2vw, 28px);
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--linen);
}

.beliefs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 48px);
  margin-top: clamp(40px, 6vh, 72px);
}
.beliefs > div {
  padding-top: 20px;
  border-top: 1px solid rgba(233, 185, 122, 0.4);
}
.beliefs h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.1em;
}
.beliefs p {
  margin: 0;
  font-size: 15px;
  color: var(--stone);
}

/* ---------- 服務項目 ---------- */

.services {
  margin: 0;
  width: min(100%, 52em);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: clamp(24px, 4vw, 64px);
}
.services > div {
  padding: 28px 0;
  border-top: 1px solid rgba(179, 154, 124, 0.22);
}
.services dt {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.services dd {
  margin: 0;
  color: var(--stone);
  max-width: 24em;
}

/* ---------- 作品案例 ---------- */

.works {
  flex-direction: column;
  align-items: center;
  gap: clamp(40px, 6vh, 72px);
  background: radial-gradient(ellipse 70% 40% at 50% 45%, rgba(59, 44, 32, 0.85), rgba(28, 22, 17, 0) 70%);
}

.works-head {
  display: flex;
  flex-direction: row-reverse;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(32px, 6vw, 96px);
  width: min(100%, 1200px);
}
.works-intro { max-width: 34em; }
.case-name {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: 0.12em;
}
.case-name span {
  display: block;
  margin-top: 6px;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--sand);
}
.works-intro p { margin: 0; color: var(--stone); }

/* 白天／夜晚對照 */
.compare {
  --pos: 50%;
  position: relative;
  overflow: hidden;
  width: min(100%, 1200px);
  aspect-ratio: 16 / 9;
  margin: 0;
  border-radius: 4px;
  box-shadow: 0 40px 140px rgba(233, 185, 122, 0.12);
}
.compare > img,
.compare-day img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02); /* 裁掉原始影格邊緣的暗線 */
}
.compare-day {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}
.compare-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 1px;
  background: var(--lamp);
  box-shadow: 0 0 18px 2px rgba(233, 185, 122, 0.6);
  pointer-events: none;
}
.compare-line::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--lamp);
  border-radius: 50%;
  background: rgba(28, 22, 17, 0.55);
  backdrop-filter: blur(4px);
}
.compare-tag {
  position: absolute;
  bottom: 16px;
  padding: 4px 12px;
  font-size: 13px;
  letter-spacing: 0.15em;
  border-radius: 999px;
  background: rgba(28, 22, 17, 0.6);
  pointer-events: none;
}
.compare-tag-day { left: 16px; }
.compare-tag-night { right: 16px; }
.compare-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}
.compare:has(.compare-range:focus-visible) {
  outline: 1px solid var(--lamp);
  outline-offset: 6px;
}
.compare-caption {
  width: min(100%, 1200px);
  margin: calc(-1 * clamp(40px, 6vh, 72px) + 14px) 0 0;
  font-size: 13px;
  color: var(--stone);
}

.details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 32px);
  width: min(100%, 1200px);
}
.details figure { margin: 0; }
.crop {
  aspect-ratio: 4 / 5;
  background-size: 260% auto;
  background-repeat: no-repeat;
  border-radius: 4px;
}
.details figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--stone);
}

.case-list { width: min(100%, 1200px); }
.case-list h3 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.12em;
}
.case-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.case-list li {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid rgba(179, 154, 124, 0.22);
}
.case-list li:last-child { border-bottom: 1px solid rgba(179, 154, 124, 0.22); }
.cl-name {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.1em;
}
.cl-meta, .cl-type { font-size: 14px; color: var(--stone); }
.cl-year {
  font-size: 14px;
  color: var(--sand);
  font-variant-numeric: tabular-nums;
}

/* ---------- 服務流程 ---------- */

.process {
  background:
    radial-gradient(ellipse 60% 50% at 30% 50%, rgba(59, 44, 32, 0.9), rgba(28, 22, 17, 0) 70%);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  width: min(100%, 44em);
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3em 1fr auto;
  column-gap: 12px;
  padding: 20px 0;
  border-top: 1px solid rgba(179, 154, 124, 0.14);
}
.steps li:first-child { border-top: 0; }
.steps li::before {
  content: counter(step);
  grid-row: 1 / span 2;
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.1;
  color: var(--lamp);
  opacity: 0.8;
}
.steps strong {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 19px;
  letter-spacing: 0.1em;
}
.steps strong { grid-column: 2; grid-row: 1; }
.steps em {
  grid-column: 3;
  grid-row: 1;
  align-self: center;
  font-style: normal;
  font-size: 13px;
  color: var(--sand);
  text-align: right;
  white-space: nowrap;
}
.steps span {
  grid-column: 2 / span 2;
  grid-row: 2;
  color: var(--stone);
}

/* ---------- 常見問題 ---------- */

.faq-list { width: min(100%, 44em); }
.faq-list details { border-top: 1px solid rgba(179, 154, 124, 0.22); }
.faq-list details:last-child { border-bottom: 1px solid rgba(179, 154, 124, 0.22); }
.faq-list summary {
  position: relative;
  padding: 22px 40px 22px 0;
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.08em;
  list-style: none;
  cursor: pointer;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--lamp);
  border-bottom: 1px solid var(--lamp);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.3s;
}
.faq-list details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-list summary:hover { color: var(--lamp); }
.faq-list details p {
  margin: 0;
  padding: 0 40px 24px 0;
  max-width: 36em;
  color: var(--stone);
}

/* ---------- 聯絡 ---------- */

.contact {
  position: relative;
  overflow: hidden;
  padding: clamp(110px, 18vh, 200px) var(--gutter);
}
.contact-glow {
  position: absolute;
  left: 50%;
  top: 30%;
  width: min(900px, 120vw);
  height: 520px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(233, 185, 122, 0.24), rgba(233, 185, 122, 0));
  filter: blur(40px);
  pointer-events: none;
}
.contact-intro {
  position: relative;
  text-align: center;
  margin-bottom: clamp(40px, 7vh, 72px);
}
.contact h2 {
  margin: 0 0 20px;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 54px);
  letter-spacing: 0.12em;
  line-height: 1.5;
}
.contact-intro p {
  margin: 0 auto;
  max-width: 34em;
  color: var(--stone);
}
.line-link {
  display: inline-block;
  margin-top: 24px;
  padding: 10px 26px;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--linen);
  text-decoration: none;
  border: 1px solid rgba(233, 185, 122, 0.5);
  border-radius: 999px;
  transition: border-color 0.3s, color 0.3s, background-color 0.3s;
}
.line-link span { color: var(--lamp); margin-left: 4px; }
.line-link:hover { border-color: var(--lamp); background: rgba(233, 185, 122, 0.08); }

.contact-form {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 40px;
  width: min(100%, 760px);
  margin: 0 auto;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field-wide { grid-column: 1 / -1; }
.field label {
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--sand);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 16px;
  color: var(--linen);
  background: rgba(59, 44, 32, 0.35);
  border: 0;
  border-bottom: 1px solid rgba(179, 154, 124, 0.45);
  border-radius: 2px 2px 0 0;
  padding: 12px 14px;
  transition: border-color 0.3s, background-color 0.3s;
}
.field textarea { resize: vertical; line-height: 1.8; }
.field input::placeholder,
.field textarea::placeholder { color: rgba(143, 129, 112, 0.8); }
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--lamp) 50%), linear-gradient(135deg, var(--lamp) 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  background-color: rgba(59, 44, 32, 0.35);
  padding-right: 40px;
}
.field select option { background: var(--soil); color: var(--linen); }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--lamp);
  background-color: rgba(59, 44, 32, 0.6);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  margin-top: 8px;
}
.form-note {
  margin: 0;
  font-size: 14px;
  color: var(--stone);
}

.cta {
  position: relative;
  display: inline-block;
  padding: 16px 44px;
  font: inherit;
  font-size: 16px;
  letter-spacing: 0.2em;
  text-decoration: none;
  color: var(--soil);
  background: var(--lamp);
  border: 0;
  border-radius: 999px;
  box-shadow: 0 0 40px rgba(233, 185, 122, 0.35);
  cursor: pointer;
  transition: box-shadow 0.3s, background-color 0.3s;
}
.cta:hover { background: #F1C890; box-shadow: 0 0 64px rgba(233, 185, 122, 0.55); }

/* ---------- 右下角 LINE 按鈕 ---------- */

.line-float {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px 12px 16px;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: #fff;
  text-decoration: none;
  background: #06C755;
  border-radius: 999px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  transition: transform 0.25s, box-shadow 0.25s;
}
.line-float:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45); }
.line-float:focus-visible { outline: 2px solid var(--lamp); outline-offset: 3px; }
@media (max-width: 560px) {
  .line-float { padding: 12px 16px 12px 14px; font-size: 14px; }
}

/* ---------- 頁尾 ---------- */

.site-foot {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px 64px;
  align-items: start;
  padding: 56px var(--gutter) 96px; /* 底部留空間給 LINE 按鈕 */
  border-top: 1px solid rgba(179, 154, 124, 0.15);
  font-size: 14px;
  color: var(--stone);
}
.foot-brand { display: flex; align-items: baseline; gap: 12px; color: var(--linen); }
.foot-nav { display: grid; grid-template-columns: repeat(2, auto); gap: 8px 32px; }
.foot-nav a, .foot-contact a { text-decoration: none; }
.foot-nav a:hover, .foot-contact a:hover { color: var(--lamp); }
.foot-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-style: normal;
}
.foot-copy {
  grid-column: 1 / -1;
  margin: 24px 0 0;
  font-size: 13px;
}


/* ---------- 中尺寸：收合選單 ---------- */

@media (max-width: 1080px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px var(--gutter) 24px;
    background: var(--soil);
    border-bottom: 1px solid rgba(179, 154, 124, 0.15);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid rgba(179, 154, 124, 0.12); }
  .site-head.menu-open { background: var(--soil); backdrop-filter: none; }
}

/* ---------- 窄螢幕 ---------- */

@media (max-width: 720px) {
  .brand-sub { display: none; }
  .head-cta { padding: 7px 14px; font-size: 13px; }

  .hero-title { top: 16vh; right: calc(var(--gutter) + 8px); }
  .hero-sub { right: calc(var(--gutter) + 8px + clamp(84px, 13vw, 200px) + 12px); top: calc(16vh + 0.4em); }
  .hero-line { bottom: 16vh; font-size: 20px; }

  .ch-right,
  .ch-left {
    left: var(--gutter);
    right: var(--gutter);
    top: auto;
    bottom: 12vh;
    flex-direction: column;
    gap: 12px;
  }
  .chapter h2 {
    writing-mode: horizontal-tb;
    font-size: 28px;
  }
  .chapter p { max-width: none; padding-top: 0; }

  .hour { display: none; }

  .section { flex-direction: column; gap: 32px; }
  .vertical-heading { writing-mode: horizontal-tb; }

  .beliefs { grid-template-columns: 1fr; }
  .services { grid-template-columns: 1fr; }

  .works { align-items: stretch; }
  .works-head { flex-direction: column; align-items: flex-start; }
  .compare { aspect-ratio: 4 / 3; }
  .details { grid-template-columns: 1fr; }
  .crop { aspect-ratio: 16 / 10; background-size: 180% auto; }
  .case-list li { grid-template-columns: 1fr auto; row-gap: 2px; }
  .cl-meta, .cl-type { grid-column: 1; }
  .cl-year { grid-column: 2; grid-row: 1; }

  .steps li { grid-template-columns: 2.4em 1fr; }
  .steps em { grid-column: 2; grid-row: 3; text-align: left; }
  .steps span { grid-column: 2; grid-row: 2; }

  .contact-form { grid-template-columns: 1fr; }

  .site-foot { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .head-cta, .cta, .loader, .site-head, .faq-list summary::after { transition: none; }
}
/* ---------- 首頁標題：h1 包住兩行字，排版維持原樣 ---------- */

.hero-h1 { margin: 0; font-weight: inherit; font-size: inherit; }

/* ---------- 作品案例卡片（首頁、作品列表、案例頁共用） ---------- */

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: clamp(28px, 3vw, 44px) clamp(20px, 2.4vw, 36px);
}
.case-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
}
.case-cover {
  display: block;
  aspect-ratio: 4 / 3;
  margin-bottom: 10px;
  overflow: hidden;
  border-radius: 4px;
  background: var(--walnut);
}
.case-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.case-card:hover .case-cover img { transform: scale(1.04); }
.case-nocover {
  display: grid;
  place-items: center;
  height: 100%;
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: 0.3em;
  color: rgba(233, 185, 122, 0.45);
}
.case-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.1em;
  transition: color 0.3s;
}
.case-card:hover .case-title { color: var(--lamp); }
.case-meta {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--sand);
}
.case-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 28px 0;
  border-top: 1px solid rgba(179, 154, 124, 0.22);
  border-bottom: 1px solid rgba(179, 154, 124, 0.22);
  color: var(--stone);
}
.case-empty a { color: var(--lamp); }
.more-link {
  display: inline-block;
  margin-top: 32px;
  font-size: 15px;
  letter-spacing: 0.15em;
  color: var(--lamp);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 185, 122, 0.45);
  padding-bottom: 4px;
}
.more-link:hover { border-bottom-color: var(--lamp); }
.more-link[hidden] { display: none; }

/* ---------- 內頁（作品列表、案例頁）---------- */

.page { padding-top: 76px; }
.page-section {
  width: min(100% - 2 * var(--gutter), 1200px);
  margin: 0 auto;
  padding: clamp(40px, 7vh, 80px) 0 clamp(80px, 12vh, 140px);
}
.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--stone);
}
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--lamp); }
.page-head { margin: clamp(28px, 5vh, 48px) 0 clamp(36px, 6vh, 64px); max-width: 44em; }
.page-head h1 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(32px, 4.4vw, 56px);
  letter-spacing: 0.14em;
  line-height: 1.4;
}
.page-head p { margin: 0; color: var(--stone); }
.case-head .case-meta { display: block; margin-bottom: 18px; font-size: 15px; }
.case-head .case-summary {
  font-family: var(--serif);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.9;
  color: var(--linen);
}

.case-page figure { margin: 0; }
.case-page figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  background: var(--walnut);
}
.case-page figcaption { margin-top: 10px; font-size: 14px; color: var(--stone); }
.case-cover-large { margin-bottom: clamp(40px, 7vh, 72px); }
.case-cover-large img { max-height: 82vh; object-fit: cover; }

.case-info {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) 2.4fr;
  gap: clamp(28px, 5vw, 80px);
  margin-bottom: clamp(48px, 8vh, 88px);
}
.case-facts { margin: 0; align-self: start; }
.case-facts div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid rgba(179, 154, 124, 0.22);
}
.case-facts div:last-child { border-bottom: 1px solid rgba(179, 154, 124, 0.22); }
.case-facts dt { font-size: 14px; letter-spacing: 0.12em; color: var(--stone); }
.case-facts dd { margin: 0; text-align: right; }
.case-body { max-width: 38em; }
.case-body p { margin: 0 0 1.4em; color: rgba(237, 227, 211, 0.86); }

.case-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 32px);
}

.case-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
  margin-top: clamp(64px, 10vh, 112px);
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid rgba(233, 185, 122, 0.25);
  border-radius: 6px;
  background: radial-gradient(ellipse at 20% 50%, rgba(59, 44, 32, 0.9), rgba(28, 22, 17, 0) 80%);
}
.case-cta p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: 0.1em;
}
.case-cta-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.case-cta .line-link { margin-top: 0; }
.case-more { margin-top: clamp(72px, 12vh, 128px); }
.case-more h2 {
  margin: 0 0 28px;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: 0.16em;
}
.draft-note {
  margin: 0 0 20px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--soil);
  background: var(--lamp);
  border-radius: 4px;
}

.notfound {
  min-height: 70vh;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 12px;
}
.notfound h1 { margin: 0; font-family: var(--serif); font-weight: 300; font-size: clamp(30px, 4vw, 48px); letter-spacing: 0.14em; }
.notfound p { margin: 0 0 20px; color: var(--stone); }

@media (max-width: 720px) {
  .page { padding-top: 64px; }
  .case-info { grid-template-columns: 1fr; }
  .case-gallery { grid-template-columns: 1fr; }
  .case-cta { flex-direction: column; align-items: flex-start; }
}
.notfound .more-link { justify-self: center; }

/* ---------- 首頁服務項目：連到詳細頁 ---------- */

.services-wrap { width: min(100%, 52em); }
.services-wrap .services { width: 100%; }
.services dt a { text-decoration: none; }
.services dt a::after { content: " →"; color: var(--lamp); font-size: 0.8em; opacity: 0.7; transition: opacity 0.3s; }
.services dt a:hover { color: var(--lamp); }
.services dt a:hover::after { opacity: 1; }

/* ---------- 服務項目詳細頁 ---------- */

.svc-lead {
  font-family: var(--serif);
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 2;
  color: var(--linen) !important;
  margin-bottom: 14px !important;
}
.svc-area { font-size: 14px; letter-spacing: 0.08em; color: var(--sand) !important; }

.svc-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.svc-toc {
  position: sticky;
  top: 108px;
  font-size: 14px;
}
.svc-toc p { margin: 0 0 10px; letter-spacing: 0.15em; color: var(--sand); }
.svc-toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid rgba(179, 154, 124, 0.25); }
.svc-toc a {
  display: block;
  padding: 6px 0 6px 16px;
  margin-left: -1px;
  border-left: 1px solid transparent;
  color: var(--stone);
  text-decoration: none;
  line-height: 1.6;
}
.svc-toc a:hover { color: var(--lamp); border-left-color: var(--lamp); }

.svc-main { max-width: 44em; }
.svc-block { padding-bottom: clamp(40px, 6vh, 64px); margin-bottom: clamp(40px, 6vh, 64px); border-bottom: 1px solid rgba(179, 154, 124, 0.15); scroll-margin-top: 96px; }
.svc-block:last-child { border-bottom: 0; }
.svc-block h2 {
  margin: 0 0 20px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: 0.1em;
}
.svc-block p { margin: 0 0 1.2em; color: rgba(237, 227, 211, 0.86); }
.svc-list { margin: 0 0 1.2em; padding: 0; list-style: none; }
.svc-list li {
  position: relative;
  padding: 10px 0 10px 24px;
  border-top: 1px solid rgba(179, 154, 124, 0.14);
  color: rgba(237, 227, 211, 0.86);
}
.svc-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 1.25em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lamp);
  opacity: 0.75;
}
.svc-note { font-size: 14px; color: var(--sand) !important; }
.svc-block .steps, .svc-block .faq-list { width: 100%; }

.svc-others { margin-top: clamp(64px, 10vh, 112px); }
.svc-others h2 {
  margin: 0 0 24px;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: 0.16em;
}
.svc-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 16px;
}
.svc-cards a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 22px;
  text-decoration: none;
  border: 1px solid rgba(179, 154, 124, 0.22);
  border-radius: 6px;
  transition: border-color 0.3s, background-color 0.3s;
}
.svc-cards a:hover { border-color: var(--lamp); background: rgba(59, 44, 32, 0.4); }
.svc-cards strong { font-family: var(--serif); font-weight: 500; font-size: 19px; letter-spacing: 0.1em; }
.svc-cards span { font-size: 14px; color: var(--stone); }
.svc-cards em { margin-top: auto; padding-top: 8px; font-style: normal; font-size: 14px; color: var(--lamp); }
.svc-cards-large { grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 20px; }
.svc-cards-large a { padding: 28px; }
.svc-cards-large strong { font-size: 22px; }
.svc-cards-large span { font-size: 15px; }

@media (max-width: 900px) {
  .svc-layout { grid-template-columns: 1fr; }
  .svc-toc { position: static; padding: 16px 18px; border: 1px solid rgba(179, 154, 124, 0.2); border-radius: 6px; }
}