/* 和風極簡作品集 × 大理石:米白大理石底、細線、字距拉開的襯線大寫、朱紅印章、直排文字、黑金大理石頁尾
   首頁為大理石底純文字,「Play film」在網站內播放影片;全站不使用圓形 */
:root{
  --paper:#efe6dc;      /* 和紙米色 */
  --paper-2:#f5efe8;
  --ink:#2a2522;        /* 墨色 */
  --ink-soft:#4a433e;
  --muted:#7d726b;
  --line:#cdbfb1;
  --line-soft:#ddd2c6;
  --red:#b8322a;        /* 朱紅 */
  --char:#2b2826;       /* 深炭頁尾 */
  --char-ink:#e9e1d7;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .2 0 0 0 0 .16 0 0 0 0 .13 0 0 0 .08 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --f-serif:"Noto Serif TC","Songti TC","PMingLiU",serif;
  --f-caps:"Cinzel","Noto Serif TC",serif;
  --f-sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  --gutter:clamp(18px,5vw,72px);
  --maxw:1240px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:linear-gradient(rgba(245,240,233,.74),rgba(245,240,233,.74)),url("/assets/marble-light.jpg") 0 0/1100px auto repeat,var(--paper);color:var(--ink);font-family:var(--f-sans);font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:1.5px solid var(--red);outline-offset:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
h1,h2,h3{margin:0;font-weight:500}
.caps{font-family:var(--f-caps);text-transform:uppercase;letter-spacing:.24em}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:30;padding-top:env(safe-area-inset-top,0px);background:transparent;border-bottom:1px solid transparent;transition:background .35s,border-color .35s,box-shadow .35s}
.nav.solid{background:rgba(245,240,233,.94);backdrop-filter:blur(12px);border-color:var(--line-soft);box-shadow:0 10px 30px -24px rgba(42,37,34,.35)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:var(--f-caps);font-weight:600;letter-spacing:.3em;font-size:13px;white-space:nowrap}
.brand small{font-family:var(--f-serif);font-weight:500;font-size:11px;letter-spacing:.3em;color:var(--muted);padding-left:12px;border-left:1px solid var(--line)}
.brand i{width:9px;height:9px;background:var(--red);display:block;transform:rotate(45deg)}
.nav ul{display:flex;gap:clamp(18px,2.6vw,38px);list-style:none;margin:0;padding:0}
.nav ul a{text-decoration:none;font-family:var(--f-caps);font-size:12px;letter-spacing:.22em;color:var(--ink-soft);transition:color .2s}
.nav ul a:hover{color:var(--red)}

.menu-btn{display:none;background:none;border:1px solid var(--line);padding:6px 14px;cursor:pointer;font-size:13px;letter-spacing:.2em}
@media (max-width:820px){
  .brand small{display:none}
  .nav.open{background:rgba(245,240,233,.97);border-color:var(--line-soft)}
  .menu-btn{display:block}
  .nav ul{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--paper);padding:8px var(--gutter) 20px;border-bottom:1px solid var(--line-soft)}
  .nav ul.open{display:flex}
  .nav ul a{display:block;padding:12px 0;font-size:14px}
}

/* ---------- hero:左文字 / 右圓框影片 / 紅日 / 遠山 ---------- */
.hero{position:relative;overflow:hidden;padding-top:calc(72px + env(safe-area-inset-top,0px) + clamp(24px,5vw,64px));background:linear-gradient(90deg,rgba(245,240,233,.6),rgba(245,240,233,.1) 70%),url("/assets/marble-hero.jpg") center/cover no-repeat;border-bottom:1px solid var(--ink-soft)}
.hero .grid{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:center;min-height:clamp(460px,44vw,620px);padding-bottom:clamp(56px,7vw,100px)}
.hero .vtext-l{position:absolute;left:clamp(6px,1.4vw,22px);top:calc(72px + clamp(40px,6vw,88px));writing-mode:vertical-rl;font-family:var(--f-serif);font-size:12px;letter-spacing:.5em;color:var(--muted);z-index:2}
.hero .eyebrow{font-family:var(--f-caps);font-size:12px;letter-spacing:.34em;color:var(--muted)}
.hero h1{font-family:var(--f-serif);font-weight:500;font-size:clamp(34px,5.6vw,84px);letter-spacing:.14em;line-height:1.2;margin-top:18px;white-space:nowrap}
.hero .rule{display:flex;align-items:center;margin:clamp(22px,2.6vw,34px) 0;max-width:420px}
.hero .rule i{width:56px;height:2px;background:var(--red)}
.hero .rule::after{content:"";flex:1;height:1px;background:var(--line)}
.hero .tagline{font-family:var(--f-serif);font-size:clamp(15px,1.3vw,18px);letter-spacing:.22em;line-height:2;margin:0;max-width:26em;color:var(--ink-soft)}
.hero .who{display:flex;align-items:flex-start;gap:12px;margin-top:clamp(26px,3vw,40px)}
.hero .who::before{content:"";width:2px;height:2.6em;background:var(--red);flex:none;margin-top:.3em}
.hero .who b{display:block;font-family:var(--f-caps);font-weight:600;font-size:13px;letter-spacing:.24em}
.hero .who span{font-size:12px;letter-spacing:.2em;color:var(--muted)}
.hero .acts{display:flex;align-items:center;gap:22px;margin-top:clamp(26px,3vw,40px);flex-wrap:wrap}
.seal{display:inline-flex;align-items:center;justify-content:center;width:44px;height:56px;border:1.5px solid var(--red);color:var(--red);font-family:var(--f-serif);font-weight:700;font-size:13px;transform:rotate(-3deg);background:rgba(184,50,42,.04)}
.seal span{writing-mode:vertical-rl;line-height:1;letter-spacing:.06em}
.btn{display:inline-flex;align-items:center;gap:14px;padding:13px 24px;border:1px solid var(--ink);background:transparent;color:var(--ink);text-decoration:none;cursor:pointer;font-family:var(--f-caps);font-size:12px;letter-spacing:.26em;transition:background .25s,color .25s}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn.solid{background:var(--ink);color:var(--paper)}
.btn.solid:hover{background:var(--red);border-color:var(--red)}
.btn .tri{width:0;height:0;border-left:8px solid currentColor;border-top:5px solid transparent;border-bottom:5px solid transparent}

.hero .vtext-r{position:absolute;right:clamp(4px,1.2vw,20px);top:calc(72px + clamp(40px,6vw,88px));writing-mode:vertical-rl;font-family:var(--f-serif);font-size:clamp(14px,1.2vw,17px);letter-spacing:.42em;color:var(--ink-soft);z-index:2}
@media (max-width:860px){
  .hero .grid{grid-template-columns:1fr;padding-bottom:clamp(48px,10vw,72px)}
  .hero h1{white-space:normal}
  .hero .vtext-l{display:none}
  .hero .vtext-r{display:none}
}
/* ---------- 中段區塊:左欄標題 + 右欄內容,米色帶狀區交錯 ---------- */
.sec{position:relative;padding-block:clamp(72px,8vw,120px)}
.sec + .sec:not(.band){border-top:1px solid var(--line-soft)}
.sec.band{background:rgba(232,221,207,.78);border-block:1px solid var(--line)}
.sec.band + .sec{border-top:0}
.sgrid{display:grid;grid-template-columns:minmax(0,230px) minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:start}
.sh{position:sticky;top:110px;display:flex;flex-direction:column;gap:6px}
.sh .no{font-family:var(--f-caps);font-size:12px;letter-spacing:.2em;color:var(--red);display:flex;align-items:center;gap:12px}
.sh .no::after{content:"";width:36px;height:1px;background:var(--red)}
.sh b{font-family:var(--f-caps);font-weight:600;font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);margin-top:14px}
.sh h2{font-family:var(--f-serif);font-weight:600;font-size:clamp(24px,2.3vw,32px);letter-spacing:.24em;line-height:1.4}
@media (max-width:900px){.sgrid{grid-template-columns:1fr;gap:28px}.sh{position:static}}

/* about */
.about2 .lead{font-family:var(--f-serif);font-weight:500;font-size:clamp(22px,2.4vw,34px);letter-spacing:.12em;line-height:1.8;margin:0;max-width:22em}
.about2 .cols{columns:2;column-gap:clamp(28px,4vw,56px);margin-top:clamp(28px,3.4vw,44px);padding-top:clamp(24px,3vw,36px);border-top:1px solid var(--line);font-size:14px;line-height:2.05;color:var(--ink-soft)}
.about2 .cols p{margin:0 0 1.2em;white-space:pre-line;break-inside:avoid-column}
@media (max-width:700px){.about2 .cols{columns:1}}

/* services:2×2 */
.svc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--ink-soft)}
.svc article{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;padding:clamp(24px,2.6vw,36px) clamp(16px,2.4vw,32px) clamp(24px,2.6vw,36px) 0;border-bottom:1px solid var(--line);min-width:0}
.svc article:nth-child(even){padding-left:clamp(16px,2.4vw,32px);border-left:1px solid var(--line)}
.svc .no{font-family:var(--f-caps);font-size:22px;color:var(--red);line-height:1.3}
.svc h3{font-family:var(--f-serif);font-weight:600;font-size:clamp(18px,1.6vw,22px);letter-spacing:.26em}
.svc .en{display:block;font-family:var(--f-caps);font-size:11px;letter-spacing:.22em;color:var(--muted);margin-top:4px}
.svc p{margin:12px 0 0;font-size:14px;color:var(--ink-soft);line-height:1.95}
@media (max-width:620px){.svc{grid-template-columns:1fr}.svc article:nth-child(even){padding-left:0;border-left:0}}

/* ---------- works:三欄卡片 ---------- */
.filters{display:flex;gap:4px 22px;flex-wrap:wrap;margin:6px 0 clamp(24px,3vw,36px)}
.chip{background:none;border:0;border-bottom:1px solid transparent;padding:2px 0;cursor:pointer;font-family:var(--f-serif);font-size:13px;letter-spacing:.16em;color:var(--muted);transition:color .2s,border-color .2s}
.chip:hover{color:var(--ink)}
.chip[aria-pressed="true"]{color:var(--ink);border-color:var(--red)}
.works{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(32px,4vw,48px) clamp(16px,2.2vw,28px)}
.work{all:unset;cursor:pointer;display:flex;flex-direction:column;min-width:0}
.work:focus-visible{outline:1.5px solid var(--red);outline-offset:6px}
.shot{position:relative;aspect-ratio:16/9;overflow:hidden;background:#ddd2c6;max-width:100%}
.shot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:sepia(.18) saturate(.82);transition:transform 1s cubic-bezier(.2,.7,.2,1),filter .6s}
.work:hover .shot img{transform:scale(1.04);filter:none}
.shot .ph{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--f-serif);font-size:clamp(40px,4vw,64px);color:rgba(42,37,34,.14)}
.shot .play{position:absolute;left:50%;top:50%;width:56px;height:56px;margin:-28px 0 0 -28px;background:var(--red);display:grid;place-items:center;opacity:0;transform:scale(.7);transition:all .35s cubic-bezier(.2,.7,.2,1)}
.shot .play::after{content:"";border-left:13px solid #fff;border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:4px}
.work:hover .shot .play,.work:focus-visible .shot .play{opacity:1;transform:scale(1)}
.shot .tag{position:absolute;left:10px;top:10px;font-family:var(--f-caps);font-size:10px;letter-spacing:.2em;background:var(--paper-2);padding:3px 8px}
.shot .dur{position:absolute;right:10px;bottom:10px;font-size:11px;letter-spacing:.08em;background:rgba(42,37,34,.7);color:#fff;padding:2px 8px}
.wcap{display:flex;flex-direction:column;padding-top:16px}
.wcap .n{font-family:var(--f-caps);font-size:12px;color:var(--red);letter-spacing:.16em;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.wcap .n::after{content:"";width:28px;height:1px;background:var(--red)}
.wcap h3{font-family:var(--f-serif);font-weight:600;font-size:15px;letter-spacing:.14em;line-height:1.5}
.wcap .cat{font-family:var(--f-caps);font-size:11px;letter-spacing:.2em;color:var(--muted);margin-top:2px}
.wcap p{margin:8px 0 0;font-size:13px;color:var(--ink-soft);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wcap .more{display:inline-flex;align-items:center;gap:12px;margin-top:12px;font-family:var(--f-caps);font-size:11px;letter-spacing:.22em}
.wcap .more::after{content:"";width:22px;height:1px;background:currentColor;transition:width .3s}
.work:hover .wcap .more{color:var(--red)}
.work:hover .wcap .more::after{width:40px}
.empty{border:1px dashed var(--line);padding:48px 24px;text-align:center;color:var(--muted);font-family:var(--f-serif);letter-spacing:.14em}
@media (max-width:1100px){.works{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.works{grid-template-columns:1fr}}

/* ---------- process:編號列表 ---------- */
.steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink-soft)}
.steps li{display:grid;grid-template-columns:52px minmax(0,190px) minmax(0,1fr) auto;gap:8px clamp(16px,2.4vw,32px);align-items:baseline;padding:clamp(20px,2.2vw,28px) 0;border-bottom:1px solid var(--line)}
.steps .n{display:inline-grid;place-items:center;width:30px;height:30px;background:var(--ink-soft);color:var(--paper);font-family:var(--f-caps);font-size:11px;align-self:center}
.steps li:first-child .n{background:var(--red)}
.steps h3{font-family:var(--f-serif);font-weight:600;font-size:clamp(17px,1.5vw,20px);letter-spacing:.3em}
.steps p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.9}
.steps .t{font-family:var(--f-caps);font-size:11px;letter-spacing:.2em;color:var(--muted);white-space:nowrap;order:4}
@media (max-width:760px){
  .steps li{grid-template-columns:44px minmax(0,1fr) auto}
  .steps p{grid-column:2/-1}
  .steps .n{align-self:start}
}

/* ---------- credentials:數字列 ---------- */
.creds{display:grid;grid-template-columns:repeat(var(--n,3),minmax(0,1fr))}
.creds div{display:flex;align-items:center;gap:16px;padding:4px clamp(14px,2.4vw,32px);border-left:1px solid var(--line);min-width:0}
.creds div:first-child{border-left:0;padding-left:0}
.creds .ic{width:34px;height:34px;flex:none;display:grid;place-items:center}
.creds .ic.c1{border:1.5px solid var(--ink-soft)}
.creds .ic.c2{border:1.5px solid var(--ink-soft);transform:rotate(45deg) scale(.78)}
.creds .ic.c3{background:var(--red);transform:scale(.6)}
.creds b{display:block;font-family:var(--f-caps);font-weight:600;font-size:15px;letter-spacing:.14em}
.creds span{font-size:12px;color:var(--muted);letter-spacing:.1em}
@media (max-width:700px){.creds{grid-template-columns:1fr;gap:16px}.creds div{border-left:0;padding-left:0}}

/* ---------- clients ---------- */
.clients{display:flex;flex-wrap:wrap;gap:10px 34px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line-soft)}
.clients span{font-family:var(--f-serif);font-size:15px;letter-spacing:.24em;color:var(--ink-soft)}

/* ---------- contact form ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:clamp(28px,5vw,72px)}
.contact-grid .intro{font-family:var(--f-serif);font-size:clamp(16px,1.4vw,19px);letter-spacing:.16em;line-height:2.1;margin:0}
.contact-grid .intro small{display:block;font-family:var(--f-sans);font-size:13px;letter-spacing:.06em;color:var(--muted);margin-top:12px;line-height:1.9}
form.inq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px}
form.inq .full{grid-column:1/-1}
form.inq label{display:flex;flex-direction:column;gap:6px;font-family:var(--f-caps);font-size:11px;letter-spacing:.22em;color:var(--muted)}
form.inq input,form.inq select,form.inq textarea{background:transparent;border:0;border-bottom:1px solid var(--line);padding:8px 0;font-family:var(--f-sans);font-size:15px;letter-spacing:.04em;color:var(--ink);border-radius:0}
form.inq input:focus,form.inq select:focus,form.inq textarea:focus{outline:none;border-color:var(--red)}
form.inq textarea{min-height:100px;resize:vertical}
form.inq .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.note{font-size:13px;margin:0;color:var(--ink-soft)}
@media (max-width:1100px){.contact-grid{grid-template-columns:1fr}}
@media (max-width:520px){form.inq{grid-template-columns:1fr}}

/* ---------- footer:深炭 ---------- */
footer{position:relative;background:url("/assets/marble-dark.jpg") center/cover no-repeat,var(--char);color:var(--char-ink);overflow:hidden}
footer::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,27,25,.82),rgba(30,27,25,.45));pointer-events:none}
footer .grid{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.2fr) auto;gap:clamp(24px,4vw,64px);align-items:center;padding-block:clamp(48px,6vw,80px) clamp(40px,5vw,64px)}
footer .say{font-family:var(--f-caps);font-size:clamp(13px,1.1vw,15px);letter-spacing:.3em;line-height:2}
footer .say small{display:block;font-family:var(--f-serif);font-size:12px;letter-spacing:.3em;color:rgba(233,225,215,.55);margin-top:10px;text-transform:none}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
footer li{display:flex;align-items:center;gap:16px;font-size:13px;letter-spacing:.14em;min-width:0}
footer li .ico{width:16px;height:16px;flex:none;opacity:.7}
footer li a{text-decoration:none;word-break:break-all}
footer li a:hover{color:#fff}
footer .copy{background:none;border:1px solid rgba(233,225,215,.25);color:inherit;padding:1px 8px;font-size:11px;cursor:pointer;margin-left:auto}
footer .mon{position:relative;width:clamp(96px,10vw,128px);aspect-ratio:1;border:1px solid rgba(233,225,215,.45);outline:1px solid rgba(233,225,215,.18);outline-offset:6px;display:grid;place-items:center;font-family:var(--f-serif);font-size:clamp(40px,4.4vw,56px);color:var(--char-ink)}
footer .mon::after{content:"";position:absolute;bottom:-20px;left:50%;width:8px;height:8px;margin-left:-4px;background:var(--red)}
footer .bottom{position:relative;border-top:1px solid rgba(233,225,215,.14);padding-block:18px calc(18px + env(safe-area-inset-bottom,0px));display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:var(--f-caps);font-size:11px;letter-spacing:.2em;color:rgba(233,225,215,.5)}
@media (max-width:860px){footer .grid{grid-template-columns:1fr}footer .mon{justify-self:start}}

/* ---------- 播放視窗 ---------- */
.modal{position:fixed;inset:0;z-index:60;background:rgba(30,26,24,.96);color:var(--char-ink);display:flex;flex-direction:column;justify-content:center;padding:max(16px,env(safe-area-inset-top,0px)) var(--gutter) max(16px,env(safe-area-inset-bottom,0px));animation:fade .25s ease}
@keyframes fade{from{opacity:0}}
.modal .frame{position:relative;width:min(100%,calc((100svh - 220px) * 16 / 9));aspect-ratio:16/9;margin:0 auto;background:#000}
.modal iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.modal .noplay{position:absolute;inset:0;display:grid;place-items:center;color:rgba(233,225,215,.7);text-align:center;padding:24px;font-family:var(--f-serif);letter-spacing:.14em}
.modal .info{width:min(100%,calc((100svh - 220px) * 16 / 9));margin:18px auto 0;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.modal .info h3{font-family:var(--f-serif);font-size:clamp(18px,1.8vw,24px);letter-spacing:.16em}
.modal .info p{margin:6px 0 0;color:rgba(233,225,215,.7);max-width:60ch;white-space:pre-line;font-size:14px}
.modal .meta{font-family:var(--f-caps);font-size:11px;letter-spacing:.2em;color:rgba(233,225,215,.6);text-align:right}
.modal .x{position:absolute;top:max(14px,env(safe-area-inset-top,0px));right:var(--gutter);background:none;border:1px solid rgba(233,225,215,.3);color:var(--char-ink);padding:7px 16px;cursor:pointer;font-family:var(--f-caps);font-size:11px;letter-spacing:.24em}
.modal .x:hover{background:var(--char-ink);color:var(--char)}

/* ================= 動畫(RWD:手機位移較小、觸控裝置直接顯示播放鍵、減少動態時只保留淡入) ================= */
:root{--rv:28px;--ease:cubic-bezier(.2,.7,.2,1)}
@media (max-width:760px){:root{--rv:16px}}
.hero{background:none}
.hero::before{content:"";position:absolute;inset:-4%;z-index:0;background:linear-gradient(90deg,rgba(245,240,233,.6),rgba(245,240,233,.1) 70%),url("/assets/marble-hero.jpg") center/cover no-repeat,var(--paper);animation:drift 22s ease-in-out infinite alternate;will-change:transform}
@keyframes drift{from{transform:scale(1) translate3d(0,0,0)}to{transform:scale(1.1) translate3d(-2.5%,-1.5%,0)}}
@media (max-width:760px){.hero::before{animation-duration:18s}}
.intro .nav{animation:navIn .9s var(--ease) both}
.intro .hero .eyebrow{animation:up .9s var(--ease) .15s both}
.intro .hero h1{animation:title 1.4s var(--ease) .25s both}
.intro .hero .rule i{animation:line .9s var(--ease) .75s both;transform-origin:left}
.intro .hero .rule::after{animation:line 1.2s var(--ease) .9s both;transform-origin:left}
.intro .hero .tagline{animation:up .9s var(--ease) .95s both}
.intro .hero .who{animation:up .9s var(--ease) 1.1s both}
.intro .hero .acts .btn{animation:up .9s var(--ease) 1.25s both}
.intro .hero .acts .btn+.btn{animation-delay:1.35s}
.intro .hero .seal{animation:stamp .7s cubic-bezier(.3,1.6,.5,1) 1.55s both}
.intro .hero .vtext-l,.intro .hero .vtext-r{animation:fade 1.6s ease 1.2s both}
@keyframes navIn{from{opacity:0;transform:translateY(-14px)}}
@keyframes up{from{opacity:0;transform:translateY(var(--rv))}}
@keyframes fade{from{opacity:0}}
@keyframes title{from{opacity:0;letter-spacing:.42em;filter:blur(6px)}}
@keyframes line{from{transform:scaleX(0)}}
@keyframes stamp{from{opacity:0;transform:rotate(-14deg) scale(1.7)}60%{opacity:1}}
[data-r]{transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--i,0) * 90ms)}
[data-r].pre{opacity:0;transform:translateY(var(--rv))}
.steps li[data-r].pre{transform:translateX(calc(var(--rv) * -.8))}
.sh .no::after{transition:width .9s var(--ease) .2s}
.sh.pre .no::after{width:0}
.about2 .cols.pre{border-top-color:transparent}
footer .mon{transition:outline-offset .9s var(--ease) .3s,opacity .9s var(--ease),transform .9s var(--ease)}
footer .mon.pre{outline-offset:0}
.works.swap .work{animation:up .7s var(--ease) both;animation-delay:calc(var(--i,0) * 70ms)}
.nav .prog{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--red);transform-origin:left;transform:scaleX(var(--p,0));opacity:0;transition:opacity .3s}
.nav.solid .prog{opacity:1}
.nav ul a{position:relative}
.nav ul a::after{content:"";position:absolute;left:0;right:.22em;bottom:-6px;height:1px;background:var(--red);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.nav ul a:hover::after{transform:scaleX(1);transform-origin:left}
@media (max-width:820px){
  .nav ul.open{animation:drop .4s var(--ease) both}
  .nav ul.open li{animation:up .45s var(--ease) both}
  .nav ul.open li:nth-child(2){animation-delay:.05s}.nav ul.open li:nth-child(3){animation-delay:.1s}.nav ul.open li:nth-child(4){animation-delay:.15s}.nav ul.open li:nth-child(5){animation-delay:.2s}
  .nav ul a::after{display:none}
}
@keyframes drop{from{opacity:0;transform:translateY(-10px)}}
.btn .tri{transition:transform .3s var(--ease)}
.btn:hover .tri{transform:translateX(3px)}
.btn:active{transform:scale(.97)}
.svc article{transition:background .4s ease}
.svc article:hover{background:rgba(248,244,238,.55)}
.svc .no{transition:transform .4s var(--ease)}
.svc article:hover .no{transform:translateY(-3px)}
.steps li{transition:background .35s ease}
.steps li:hover{background:rgba(255,255,255,.35)}
.steps .n{transition:background .3s}
.steps li:hover .n{background:var(--red)}
.modal{animation:fade .3s ease both}
.modal .frame{animation:zoom .5s var(--ease) .05s both}
.modal .info{animation:up .5s var(--ease) .15s both}
@keyframes zoom{from{opacity:0;transform:scale(.96)}}

/* ---------- 作品滑過預覽 ---------- */
.work{position:relative}
.shot iframe.pv{position:absolute;inset:0;width:100%;height:100%;transform:scale(1.04);border:0;pointer-events:none;opacity:0;transition:opacity .6s ease}
.work.previewing .shot iframe.pv{opacity:1}
.work.previewing .shot .play{opacity:0}
.shot .pvtag{position:absolute;right:10px;top:10px;font-family:var(--f-caps);font-size:10px;letter-spacing:.2em;background:var(--red);color:#fff;padding:3px 8px;opacity:0;transition:opacity .4s}
.work.previewing .shot .pvtag{opacity:1}
@media (hover:none){
  .shot .play{opacity:.92;transform:scale(.82)}
  .work:active .shot img{transform:scale(1.02);filter:none}
  .work:active .shot .play{background:var(--ink)}
}
@media (prefers-reduced-motion:reduce){
  .hero::before{animation:none}
  [data-r].pre,.steps li[data-r].pre{transform:none}
  .intro .nav,.intro .hero .eyebrow,.intro .hero h1,.intro .hero .tagline,.intro .hero .who,.intro .hero .acts .btn,.intro .hero .seal,.works.swap .work,.modal .frame,.modal .info,.intro .hero .rule i,.intro .hero .rule::after{animation-name:fade}
}