/* W.M自然美學空間 — 官網樣式
   字級較前一版放大約 12%，次要文字由 #75706B 加深為 #4C4641，
   金色由 #A88547 加深為 #8A6A2F（在米白底上達 WCAG AA 4.5:1）。 */

:root{
  --porcelain:#F7F4F2;
  --shell:#EAE0DA;
  --rose:#B07E7C;
  --gold:#8A6A2F;
  --ink:#1E1A18;
  --muted:#4C4641;
  --faint:#655E59;
  --line:#06C755;
  --hair:rgba(30,26,24,.16);
  --display:"Bodoni Moda","Noto Serif TC","Songti TC",serif;
  --han:"Noto Serif TC","Songti TC","PingFang TC","Microsoft JhengHei",serif;
  --body:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --util:"Jost","Noto Sans TC",sans-serif;
  --pad:clamp(20px,5vw,72px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--porcelain);color:var(--ink);
  font-family:var(--body);font-weight:400;font-size:17px;line-height:1.9;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(120% 80% at 78% -10%,rgba(234,224,218,.8),transparent 60%),
    radial-gradient(90% 60% at 5% 100%,rgba(176,126,124,.12),transparent 65%);
}
.wrap{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:0 var(--pad)}
.narrow{max-width:940px}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--ink);color:#fff;padding:10px 16px}

/* ── 共用排版 ───────────────────────────── */
.eyebrow{
  font-family:var(--util);font-size:12.5px;font-weight:500;letter-spacing:.26em;
  text-transform:uppercase;color:var(--faint);display:flex;align-items:center;gap:14px;margin:0;
}
.eyebrow::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.eyebrow.tight::after{display:none}
.h2{
  font-family:var(--han);font-weight:400;font-size:clamp(31px,4.4vw,52px);
  line-height:1.32;letter-spacing:.05em;margin:20px 0 0;
}
.h3{font-family:var(--han);font-weight:500;font-size:clamp(21px,2.4vw,27px);letter-spacing:.08em;margin:46px 0 0}
.lede{max-width:48ch;color:var(--muted);font-size:17.5px;line-height:2;margin:18px 0 0}
.section{padding:clamp(64px,10vw,120px) 0}
.prose p{color:var(--muted);font-size:17px;line-height:2.05;margin:16px 0 0;max-width:66ch}
.prose ul{color:var(--muted);font-size:17px;line-height:2;margin:16px 0 0;padding-left:1.2em;max-width:64ch}
.prose li{margin-bottom:8px}
.prose strong{color:var(--ink);font-weight:600}
.prose a.inline{color:var(--gold);border-bottom:1px solid rgba(138,106,47,.45);font-weight:500}
.prose a.inline:hover{border-bottom-color:var(--gold)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ── 導覽列 ─────────────────────────────── */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);
  background:rgba(247,244,242,.82);border-bottom:1px solid transparent;transition:border-color .4s,background .4s}
.nav.stuck{border-bottom-color:var(--hair);background:rgba(247,244,242,.96)}
.nav-in{display:flex;align-items:center;gap:28px;height:76px}
.logo{font-family:var(--han);font-weight:500;font-size:19.5px;letter-spacing:.18em;white-space:nowrap}
.logo span{font-family:var(--display);font-size:11px;letter-spacing:.26em;color:var(--gold);display:block;line-height:1;margin-top:5px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15.5px;letter-spacing:.1em;color:var(--ink)}
.nav-links a{position:relative;padding-bottom:4px;font-weight:500}
.nav-links a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--gold);transition:width .35s}
.nav-links a:hover::after,.nav-links a[aria-current]::after{width:100%}

/* ── 按鈕 ───────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--body);font-size:15.5px;font-weight:500;letter-spacing:.1em;
  padding:14px 28px;min-height:48px;border:1.5px solid var(--ink);
  background:var(--ink);color:#FBF9F8;cursor:pointer;transition:background .3s,color .3s,border-color .3s;
}
.btn:hover{background:transparent;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink);border-color:rgba(30,26,24,.3)}
.btn.ghost:hover{background:var(--ink);color:#FBF9F8;border-color:var(--ink)}
.btn.sm{padding:11px 20px;min-height:44px;font-size:14.5px}
/* 深色區塊內的按鈕：底色是淺的，字一律黑色 */
.on-dark .btn,.on-dark .btn.ghost{background:#FBF9F8;color:#1E1A18;border-color:#FBF9F8}
.on-dark .btn:hover,.on-dark .btn.ghost:hover{background:var(--shell);color:#1E1A18;border-color:var(--shell)}

/* ── 首頁 Hero ──────────────────────────── */
.hero{padding:clamp(36px,6vw,80px) 0 clamp(52px,8vw,100px)}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(28px,5vw,72px);align-items:center}
.hero-rail{writing-mode:vertical-rl;font-family:var(--han);font-size:13.5px;letter-spacing:.38em;
  color:var(--muted);height:auto;white-space:nowrap;border-right:1.5px solid var(--gold);padding-right:14px;margin-bottom:28px}
.hero-title{font-family:var(--han);font-weight:400;font-size:clamp(40px,6.4vw,76px);line-height:1.26;letter-spacing:.04em;margin:0}
.hero-title b{font-weight:500;position:relative;display:inline-block}
.hero-title b::after{content:'';position:absolute;left:-4%;right:-4%;bottom:.14em;height:.32em;
  background:linear-gradient(90deg,rgba(176,126,124,.55),rgba(138,106,47,.18));z-index:-1}
.hero-sub{font-family:var(--display);font-size:14px;letter-spacing:.3em;color:var(--gold);margin:24px 0 0;text-transform:uppercase;font-weight:500}
.hero-lede{max-width:40ch;color:var(--muted);font-size:17.5px;line-height:2.05;margin:18px 0 0}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-photo{position:relative;overflow:hidden;background:var(--shell);margin:0}
.hero-photo img{height:auto}
.hero-tag{position:absolute;left:0;bottom:24px;background:var(--porcelain);padding:12px 20px;
  font-family:var(--util);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:500}
.trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;align-items:baseline}
.trust b{font-family:var(--display);font-size:28px;font-weight:500;letter-spacing:.02em}
.trust span{font-size:13.5px;letter-spacing:.1em;color:var(--muted);margin-left:7px}

/* ── 快速解答（AEO）────────────────────── */
.answer{border-left:3px solid var(--gold);background:rgba(234,224,218,.42);
  padding:clamp(20px,3vw,30px) clamp(20px,3.4vw,34px);margin:30px 0 0;max-width:70ch}
.answer p{margin:0;color:var(--ink);font-size:17px;line-height:2.02}
.answer p+p{margin-top:12px}
.answer p.callout-inline{border-left:3px solid var(--rose);background:rgba(176,126,124,.12);
  padding:14px 18px;margin-top:14px}
.answer .q{font-family:var(--han);font-weight:600;font-size:18px;letter-spacing:.04em;margin-bottom:10px;display:block}

/* ── 色票 ───────────────────────────────── */
.swatch-bar{margin-top:44px;padding-top:24px;border-top:1px solid var(--hair)}
.swatch-label{font-family:var(--util);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);font-weight:500}
.swatches{display:flex;flex-wrap:wrap;gap:11px;margin-top:16px;align-items:center}
.sw{width:46px;height:46px;border-radius:50%;border:1px solid rgba(30,26,24,.12);cursor:pointer;
  position:relative;padding:0;transition:transform .3s,box-shadow .3s;
  box-shadow:inset -5px -7px 11px rgba(0,0,0,.15),inset 5px 6px 9px rgba(255,255,255,.55)}
.sw::after{content:'';position:absolute;left:24%;top:15%;width:26%;height:18%;border-radius:50%;
  background:rgba(255,255,255,.7);transform:rotate(-22deg)}
.sw:hover,.sw:focus-visible{transform:translateY(-4px)}
.sw[aria-pressed="true"]{box-shadow:0 0 0 2px var(--porcelain),0 0 0 4px var(--gold),inset -5px -7px 11px rgba(0,0,0,.15)}
.sw-name{font-family:var(--han);font-size:15px;letter-spacing:.1em;color:var(--muted);margin-left:8px;min-width:11em}

/* ── 三格說明 ───────────────────────────── */
.craft{background:linear-gradient(180deg,transparent,rgba(234,224,218,.5))}
.craft-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair);margin-top:48px}
.craft-cell{background:var(--porcelain);padding:clamp(24px,3.2vw,42px)}
.craft-cell h3{font-family:var(--han);font-weight:500;font-size:22px;letter-spacing:.1em;margin:6px 0 0}
.craft-cell .en{font-family:var(--display);font-size:11.5px;letter-spacing:.28em;color:var(--gold);text-transform:uppercase;font-weight:500}
.craft-cell p{color:var(--muted);font-size:16px;line-height:2;margin:12px 0 0}

/* ── 作品集 ─────────────────────────────── */
.filters{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px}
.chip{font-family:var(--body);font-size:15px;font-weight:500;letter-spacing:.06em;padding:11px 20px;min-height:44px;
  border:1.5px solid rgba(30,26,24,.22);background:transparent;color:var(--ink);cursor:pointer;
  transition:border-color .3s,color .3s,background .3s}
.chip:hover{border-color:var(--ink);background:rgba(30,26,24,.05)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#FBF9F8}
.count{font-family:var(--body);font-size:14.5px;letter-spacing:.08em;color:var(--muted);margin-top:20px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,30px);margin-top:16px;align-items:start}
.work{transition:opacity .4s}
.work.hide{display:none}
.work-media{position:relative;overflow:hidden;background:var(--shell)}
.work-media img{height:auto;transition:transform 1.3s cubic-bezier(.22,.61,.36,1)}
.work:hover .work-media img{transform:scale(1.04)}
.work-head{display:flex;align-items:baseline;gap:10px;margin-top:14px;flex-wrap:wrap}
.work-name{font-family:var(--han);font-weight:500;font-size:19px;letter-spacing:.1em;margin:0}
.work-en{font-family:var(--display);font-size:11.5px;letter-spacing:.2em;color:var(--gold);text-transform:uppercase;font-weight:500}
.work-meta{font-size:14.5px;color:var(--faint);letter-spacing:.05em;margin:4px 0 0}
.work-meta i{font-style:normal;color:rgba(30,26,24,.28);margin:0 7px}
.work-note{font-size:15.5px;color:var(--muted);line-height:1.85;margin:8px 0 0}

/* ── 橫幅 ───────────────────────────────── */
.band{position:relative;height:clamp(280px,42vw,460px);overflow:hidden;margin:clamp(64px,9vw,110px) 0}
.band::after{content:'';position:absolute;inset:0;
  background:linear-gradient(270deg,rgba(12,9,8,.72) 0%,rgba(12,9,8,.34) 34%,transparent 62%)}
.band-quote{position:absolute;right:var(--pad);top:50%;transform:translateY(-50%);z-index:2;
  writing-mode:vertical-rl;font-family:var(--han);font-weight:500;
  font-size:clamp(19px,2.4vw,27px);letter-spacing:.36em;line-height:2.1;color:#fff;
  text-shadow:0 1px 16px rgba(0,0,0,.6)}

/* ── 服務列表 ───────────────────────────── */
.svc-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,72px);margin-top:46px}
.svc-block h3{font-family:var(--han);font-weight:600;font-size:16px;letter-spacing:.26em;color:var(--gold);margin:0 0 6px}
.row{display:flex;align-items:baseline;gap:14px;padding:18px 0;border-bottom:1px solid var(--hair)}
a.row{transition:background .25s}
a.row:hover{background:rgba(234,224,218,.5)}
a.row .row-name{text-decoration:underline;text-decoration-color:rgba(138,106,47,.4);text-underline-offset:5px}
a.row:hover .row-name{text-decoration-color:var(--gold)}
.row-name{font-family:var(--han);font-size:18px;font-weight:500;letter-spacing:.06em}
.row-note{font-size:14.5px;color:var(--muted);letter-spacing:.03em;display:block;margin-top:3px;font-family:var(--body);font-weight:400;text-decoration:none}
.row-dots{flex:1;border-bottom:1px dotted rgba(30,26,24,.3);transform:translateY(-4px)}
.row-en{font-family:var(--display);font-size:13.5px;letter-spacing:.1em;color:var(--faint);white-space:nowrap}
.addons{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.addon{border:1px solid var(--hair);padding:9px 15px;font-size:14.5px;letter-spacing:.04em;color:var(--muted)}
.note-card{background:rgba(255,255,255,.62);border:1px solid var(--hair);padding:clamp(22px,3vw,32px)}
.note-card h3.nc{font-family:var(--han);font-weight:600;font-size:18px;letter-spacing:.1em;margin:0 0 12px}
.note-card ul{margin:0;padding-left:1.15em;color:var(--muted);font-size:15.5px;line-height:2}
.note-card li{margin-bottom:7px}

/* ── 步驟 ───────────────────────────────── */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hair);margin-top:48px}
.step{background:var(--porcelain);padding:clamp(22px,2.8vw,36px)}
.step-no{font-family:var(--display);font-size:14px;letter-spacing:.18em;color:var(--gold);font-weight:500}
.step h3{font-family:var(--han);font-weight:500;font-size:19.5px;letter-spacing:.1em;margin:10px 0 0}
.step p{color:var(--muted);font-size:15.5px;line-height:1.95;margin:9px 0 0}

/* ── 常見問題 ───────────────────────────── */
.faq{max-width:880px;margin-top:40px}
details{border-bottom:1px solid var(--hair)}
summary{list-style:none;cursor:pointer;padding:22px 0;display:flex;align-items:center;gap:16px;
  font-family:var(--han);font-size:18px;font-weight:500;letter-spacing:.06em}
summary::-webkit-details-marker{display:none}
summary::after{content:'＋';margin-left:auto;color:var(--gold);font-size:17px;transition:transform .3s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);font-size:16.5px;line-height:2.05;margin:0 0 24px;padding-right:36px;max-width:70ch}

/* ── 服務頁專用 ─────────────────────────── */
.crumb{font-size:14.5px;color:var(--muted);padding:20px 0 0;letter-spacing:.04em}
.crumb a{border-bottom:1px solid rgba(30,26,24,.25)}
.crumb a:hover{border-bottom-color:var(--ink)}
.crumb span[aria-current]{color:var(--ink);font-weight:500}
.page-head{padding:8px 0 clamp(40px,6vw,70px)}
.page-title{font-family:var(--han);font-weight:400;font-size:clamp(32px,5vw,58px);line-height:1.3;letter-spacing:.04em;margin:18px 0 0}
.svc-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.svc-links a{font-size:15px;font-weight:500;padding:11px 18px;min-height:44px;display:inline-flex;align-items:center;
  border:1.5px solid rgba(30,26,24,.2);color:var(--ink);transition:border-color .3s,background .3s}
.svc-links a:hover{border-color:var(--ink);background:rgba(30,26,24,.05)}
.svc-links a[aria-current]{background:var(--ink);color:#FBF9F8;border-color:var(--ink)}
.two-col{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(32px,5vw,68px);align-items:start;margin-top:40px}
.table-wrap{overflow-x:auto;margin-top:22px}
table.cmp{border-collapse:collapse;width:100%;min-width:520px;font-size:16px}
table.cmp th,table.cmp td{border-bottom:1px solid var(--hair);padding:14px 12px;text-align:left;vertical-align:top;line-height:1.8}
table.cmp th{font-family:var(--han);font-weight:600;color:var(--ink);letter-spacing:.05em;background:rgba(234,224,218,.4)}
table.cmp td{color:var(--muted)}
table.cmp tr td:first-child{color:var(--ink);font-weight:500;white-space:nowrap}
.callout{border:1.5px solid rgba(176,126,124,.55);background:rgba(176,126,124,.09);padding:clamp(20px,3vw,28px);margin-top:30px;max-width:70ch}
.callout h3.nc{font-family:var(--han);font-weight:600;font-size:17.5px;letter-spacing:.06em;margin:0 0 10px}
.callout p,.callout li{color:var(--muted);font-size:16px;line-height:1.95;margin:0}
.callout ul{margin:8px 0 0;padding-left:1.15em}

/* ── 店家資訊 ───────────────────────────── */
.visit{background:var(--ink);color:#FBF9F8;margin-top:clamp(64px,9vw,110px)}
.visit .eyebrow{color:rgba(251,249,248,.72)}
.visit-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}
.visit h2{font-family:var(--han);font-weight:400;font-size:clamp(28px,4vw,46px);letter-spacing:.05em;line-height:1.36;margin:20px 0 0}
.visit p.sub{color:rgba(251,249,248,.86);font-size:16.5px;line-height:2;margin:16px 0 0;max-width:44ch}
.info{margin-top:30px}
.info-row{display:grid;grid-template-columns:104px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid rgba(251,249,248,.18);font-size:16px}
.info-row dt{font-family:var(--util);font-size:11.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:rgba(251,249,248,.72);padding-top:5px}
.info-row dd{margin:0;line-height:1.95;color:#FBF9F8}
.info-row dd a{border-bottom:1px solid rgba(251,249,248,.45)}
.info-row dd a:hover{border-bottom-color:#FBF9F8}
.visit-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.visit-extra{margin-top:42px;padding-top:26px;border-top:1px solid rgba(251,249,248,.18);max-width:46ch}
.visit-extra h3{font-family:var(--han);font-weight:600;font-size:17px;letter-spacing:.12em;margin:0 0 12px;color:#FBF9F8}
.visit-extra ul{margin:0;padding-left:1.15em;color:rgba(251,249,248,.88);font-size:15.5px;line-height:1.95}
.visit-extra li{margin-bottom:7px}

.footer{padding:32px 0 34px;font-size:14.5px;color:var(--muted);letter-spacing:.04em}
.footer-in{display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;justify-content:space-between}
.footer a{border-bottom:1px solid rgba(30,26,24,.2)}
.footer a:hover{border-bottom-color:var(--ink)}
.footer nav{display:flex;flex-wrap:wrap;gap:8px 18px}

/* ── LINE 圓形浮動按鈕 ──────────────────── */
.line-fab{
  position:fixed;right:20px;bottom:22px;z-index:60;
  width:62px;height:62px;border-radius:50%;
  background:var(--line);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--util);font-size:15px;font-weight:700;letter-spacing:.06em;
  box-shadow:0 6px 20px rgba(0,0,0,.28),0 0 0 3px rgba(255,255,255,.9);
  transition:transform .25s ease,box-shadow .25s ease;
}
.line-fab:hover,.line-fab:focus-visible{transform:translateY(-3px) scale(1.04);box-shadow:0 10px 26px rgba(0,0,0,.32),0 0 0 3px #fff}
.line-fab .cap{position:absolute;right:74px;white-space:nowrap;background:var(--ink);color:#FBF9F8;
  font-family:var(--body);font-size:14px;font-weight:500;letter-spacing:.06em;padding:8px 14px;
  opacity:0;transform:translateX(8px);transition:opacity .25s,transform .25s;pointer-events:none}
.line-fab:hover .cap{opacity:1;transform:none}

/* ── 手機底部列 ─────────────────────────── */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;gap:1px;
  background:var(--hair);border-top:1px solid var(--hair);backdrop-filter:blur(12px)}
.mbar a{flex:1;text-align:center;padding:15px 4px;font-size:15px;font-weight:500;letter-spacing:.06em;
  background:rgba(247,244,242,.97);color:var(--ink);min-height:52px;display:flex;align-items:center;justify-content:center}
.mbar a.pri{background:var(--ink);color:#FBF9F8}

/* ── RWD ────────────────────────────────── */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-rail{display:none}
  .hero-photo{order:-1}
  .craft-grid,.steps{grid-template-columns:1fr 1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid,.visit-grid,.two-col{grid-template-columns:1fr}
  .nav-links{display:none}
}
@media (max-width:600px){
  body{font-size:16.5px}
  .craft-grid,.steps{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .nav .btn{display:none}
  .nav-in{height:66px;gap:14px}
  .logo{font-size:17.5px;letter-spacing:.12em}
  .mbar{display:flex}
  body{padding-bottom:56px}
  .line-fab{right:14px;bottom:70px;width:56px;height:56px;font-size:13.5px}
  .line-fab .cap{display:none}
  .hero-title{font-size:clamp(33px,8.8vw,48px)}
  .hero-cta .btn,.visit-cta .btn{flex:1 1 100%}
  .band{height:300px}
  .band-quote{letter-spacing:.26em;font-size:19px;right:18px}
  .info-row{grid-template-columns:82px 1fr;gap:12px;font-size:15.5px}
  .answer{padding:18px 18px 18px 20px}
  details p{padding-right:8px}
  .swatches{gap:9px}
  .sw{width:42px;height:42px}
  .sw-name{margin-left:0;margin-top:8px;flex:1 1 100%;min-width:0}
  .work-note{font-size:15px}
  .footer{padding:26px 0 30px}
  .footer nav{gap:4px 20px}
  .footer nav a{padding:9px 0;display:inline-block}
  .footer-in{gap:10px 18px}
  .svc-links{gap:8px}
  .table-wrap{margin-left:-4px;margin-right:-4px}
  .visit-extra{margin-top:34px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .work-media img{transition:none}
  .line-fab{transition:none}
}
@media print{
  .nav,.mbar,.line-fab,.band{display:none}
  body{background:#fff;color:#000;font-size:12pt}
}

/* ══════════════════════════════════════════════════════════
   2026-08 追加：作品燈箱、地圖延遲載入、示意圖、離屏渲染最佳化
   ══════════════════════════════════════════════════════════ */

/* 26 張作品卡：畫面外的先不排版不繪製，手機捲動明顯順 */
.work{content-visibility:auto;contain-intrinsic-size:auto 480px}

/* 作品圖可點開看細節（停留時間是排名訊號之一） */
.work-media[data-zoom]{cursor:zoom-in}
.work-media[data-zoom]::after{
  content:'＋';position:absolute;right:10px;bottom:10px;z-index:2;
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:rgba(247,244,242,.86);color:var(--ink);font-size:17px;line-height:1;
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.work-media[data-zoom]:hover::after,.work-media[data-zoom]:focus-visible::after{opacity:1}
@media (hover:none){.work-media[data-zoom]::after{opacity:.9}}

.lb{position:fixed;inset:0;z-index:200;background:rgba(20,17,16,.94);
  display:none;align-items:center;justify-content:center;padding:16px}
.lb.open{display:flex}
.lb figure{margin:0;max-width:min(92vw,760px);max-height:92vh;display:flex;
  flex-direction:column;align-items:center;gap:12px}
.lb img{width:auto;height:auto;max-width:100%;max-height:78vh;object-fit:contain;
  border-radius:2px;box-shadow:0 24px 70px rgba(0,0,0,.5)}
.lb figcaption{font-family:var(--han);font-size:15.5px;letter-spacing:.08em;
  color:#F4EFEC;text-align:center;line-height:1.7;max-width:46ch}
.lb figcaption b{font-weight:500;display:block;font-size:18px;margin-bottom:4px}
.lb-x,.lb-nav{position:absolute;background:rgba(247,244,242,.92);color:#1E1A18;
  border:0;border-radius:50%;cursor:pointer;display:grid;place-items:center;
  font-family:var(--util);font-size:20px;line-height:1}
.lb-x{top:16px;right:16px;width:46px;height:46px}
.lb-nav{top:50%;transform:translateY(-50%);width:48px;height:48px}
.lb-prev{left:14px}.lb-next{right:14px}
@media (max-width:600px){
  .lb-nav{width:44px;height:44px;top:auto;bottom:16px;transform:none}
  .lb-prev{left:20px}.lb-next{right:20px}
  .lb-x{width:42px;height:42px;top:12px;right:12px}
}

/* Google 地圖：先放靜態卡，點了才載入 iframe，不拖慢首次載入 */
.map-card{margin-top:34px;border:1px solid rgba(251,249,248,.22);background:rgba(251,249,248,.06)}
.map-card button{width:100%;border:0;background:none;color:#FBF9F8;cursor:pointer;
  padding:26px 22px;text-align:left;font-family:var(--body);font-size:16px;line-height:1.8}
.map-card b{font-family:var(--han);font-weight:600;font-size:17px;letter-spacing:.1em;
  display:block;margin-bottom:6px}
.map-card small{display:block;margin-top:10px;font-size:13.5px;letter-spacing:.14em;
  font-family:var(--util);color:var(--gold);text-transform:uppercase}
.map-card iframe{display:block;width:100%;height:340px;border:0}

/* 服務頁的原創示意圖 */
.diagram{margin:34px 0 0;padding:0}
.diagram img{width:100%;height:auto;display:block;background:#FBF9F8;
  border:1px solid var(--hair);border-radius:2px}
.diagram figcaption{font-size:14.5px;color:var(--faint);line-height:1.8;
  margin-top:12px;letter-spacing:.03em;max-width:62ch}

/* 導覽列圓形商標 */
.logo{display:inline-flex;align-items:center;gap:11px}
.logo-mark{width:42px;height:42px;border-radius:50%;flex:0 0 auto;object-fit:cover;
  background:var(--shell)}
.logo b{font-weight:inherit;display:block}
@media (max-width:600px){.logo-mark{width:36px;height:36px}.logo{gap:9px}}


/* ══════════════════════════════════════════════════════════
   2026-08 更新：方形 LINE 鍵、社群列、手機選單、行動版微調
   本區塊放在檔尾，同名選擇器以此為準。
   ══════════════════════════════════════════════════════════ */

/* ── 右下角 LINE 方形浮動鍵（只有圖案） ─────────────── */
.line-fab{
  position:fixed;right:20px;bottom:calc(22px + env(safe-area-inset-bottom,0px));
  z-index:60;width:60px;height:60px;border-radius:16px;overflow:hidden;
  background:var(--line);color:#fff;display:block;padding:0;font-size:0;
  box-shadow:0 8px 22px rgba(6,199,85,.32),0 2px 10px rgba(0,0,0,.18);
  transition:transform .25s ease,box-shadow .25s ease;
  -webkit-tap-highlight-color:transparent;
}
.line-fab svg{display:block;width:100%;height:100%}
.line-fab:hover,.line-fab:focus-visible{
  transform:translateY(-3px);
  box-shadow:0 14px 30px rgba(6,199,85,.4),0 4px 14px rgba(0,0,0,.22);
}
.line-fab:active{transform:translateY(-1px)}

/* ── 社群列：LINE／IG／FB／Google 地圖 ───────────────── */
.social{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.social a{
  display:inline-flex;align-items:center;gap:9px;
  min-height:48px;padding:11px 16px 11px 12px;
  border:1px solid rgba(30,26,24,.2);color:var(--ink);
  font-family:var(--body);font-size:14.5px;font-weight:500;letter-spacing:.08em;
  transition:border-color .3s,background .3s,transform .3s;
}
.social a:hover,.social a:focus-visible{border-color:var(--ink);background:rgba(30,26,24,.05);transform:translateY(-2px)}
.social svg{width:26px;height:26px;flex:0 0 auto;border-radius:7px;display:block}
.on-dark .social a{border-color:rgba(251,249,248,.3);color:#FBF9F8}
.on-dark .social a:hover,.on-dark .social a:focus-visible{border-color:#FBF9F8;background:rgba(251,249,248,.08)}

/* 頁尾社群：只有圖示 */
.footer .social{margin-top:0;gap:8px}
.footer .social a{padding:7px;border-color:transparent;min-height:44px;min-width:44px;justify-content:center}
.footer .social a:hover{border-color:rgba(30,26,24,.2);background:transparent}
.footer .social svg{width:28px;height:28px}

/* ── 手機選單 ───────────────────────────────────────── */
.nav-toggle{
  display:none;margin-left:auto;width:48px;height:48px;padding:0;
  border:1px solid rgba(30,26,24,.2);background:transparent;color:var(--ink);
  cursor:pointer;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle span{position:relative;display:block;width:20px;height:1.5px;background:currentColor;transition:transform .3s,background .15s}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:20px;height:1.5px;background:currentColor;transition:transform .3s,top .3s}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

.drawer{
  position:fixed;inset:0;z-index:70;display:none;
  background:rgba(247,244,242,.98);backdrop-filter:blur(16px);
  padding:calc(18px + env(safe-area-inset-top,0px)) var(--pad) calc(30px + env(safe-area-inset-bottom,0px));
  overflow-y:auto;-webkit-overflow-scrolling:touch;
}
.drawer.open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px}
.drawer-title{font-family:var(--han);font-weight:500;font-size:17px;letter-spacing:.16em}
.drawer-x{width:48px;height:48px;border:1px solid rgba(30,26,24,.2);background:transparent;
  color:var(--ink);font-size:24px;line-height:1;cursor:pointer;display:grid;place-items:center;font-family:var(--util)}
.drawer h4{font-family:var(--util);font-size:11.5px;font-weight:500;letter-spacing:.24em;
  text-transform:uppercase;color:var(--faint);margin:30px 0 6px}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{
  font-family:var(--han);font-size:19px;letter-spacing:.12em;padding:14px 0;
  border-bottom:1px solid rgba(30,26,24,.1);display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.drawer nav a small{font-family:var(--util);font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--faint)}
.drawer .btn{width:100%;margin-top:26px}
.drawer .social{margin-top:16px}

/* ── 行動版微調 ─────────────────────────────────────── */
@media (max-width:1000px){
  .nav-toggle{display:inline-flex}
  .nav .btn.sm{display:none}
  .nav-in{gap:14px}
}
@media (max-width:600px){
  html{-webkit-text-size-adjust:100%}
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom,0px))}
  .line-fab{right:14px;bottom:calc(72px + env(safe-area-inset-bottom,0px));width:56px;height:56px;border-radius:15px}

  /* 篩選鍵改成可橫向滑動的一列，不再換行擠壓 */
  .filters{
    flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x proximity;
    margin-left:calc(var(--pad) * -1);margin-right:calc(var(--pad) * -1);
    padding:2px var(--pad) 10px;gap:8px;scrollbar-width:none;
  }
  .filters::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto;scroll-snap-align:start;padding:11px 16px;font-size:14.5px}

  .swatches{gap:10px}
  .sw{width:44px;height:44px}
  .social a{flex:1 1 calc(50% - 5px);justify-content:flex-start}
  .footer .social a{flex:0 0 auto}
  .footer-in{flex-direction:column;align-items:flex-start;gap:14px}
  .mbar{padding-bottom:env(safe-area-inset-bottom,0px)}
  .mbar a{min-height:56px;font-size:15.5px}
  .map-card iframe{height:270px}
  .lb figcaption{font-size:14.5px}
  .work{contain-intrinsic-size:auto 420px}
  details summary{padding-top:16px;padding-bottom:16px}
}
@media (max-width:380px){
  .logo span{display:none}
  .logo{font-size:16.5px;letter-spacing:.1em}
}
@media (prefers-reduced-motion:reduce){
  .line-fab,.social a,.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{transition:none}
}
@media print{
  .nav,.mbar,.line-fab,.band,.drawer,.nav-toggle{display:none !important}
}

/* 錨點捲動時避開吸頂導覽列 */
[id]{scroll-margin-top:92px}
@media (max-width:600px){[id]{scroll-margin-top:76px}}

/* 作品集裡「點了才出現」的兩個分類，前面加一個小點做區隔 */
.chip.alt::before{
  content:'';width:6px;height:6px;border-radius:50%;background:var(--rose);
  display:inline-block;margin-right:8px;vertical-align:1px;transition:background .3s;
}
.chip.alt[aria-pressed="true"]::before{background:#FBF9F8}

/* 頁尾社群只留圖示，文字給讀螢幕軟體用 */
.footer .social a span{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0;
}