/* ============================================================
   hiromaru portfolio — main stylesheet
============================================================ */

:root {
  --bg: #f5f3ee;
  --bg-soft: #efece5;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-faint: #8a8a8a;
  --line: #d8d4ca;
  --accent: #2540a8;
  --paper: #fafaf6;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Cormorant Garamond', 'Shippori Mincho', serif;
  font-weight: 400;
  line-height: 1.5;
  overflow-x: hidden;
  overflow-y: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.mincho { font-family: 'Shippori Mincho', serif; }
.mono   { font-family: 'JetBrains Mono', monospace; }

/* === Grain overlay for texture === */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: .035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ============================================================
   NAV — only visible in content views (stage 3)
============================================================ */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  padding: 20px 40px;
  display: flex; justify-content: space-between; align-items: center;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(245, 243, 238, 0.78);
  border-bottom: 1px solid var(--line);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity .6s ease, transform .6s ease;
  gap: 16px;
}
body.in-view nav {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
nav .logo {
  font-family: 'Shippori Mincho', serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.15em;
  flex-shrink: 0;
}
nav .logo span { color: var(--accent); }

nav ul.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  align-items: center;
  flex-wrap: nowrap;
}
nav ul.nav-links > li { flex-shrink: 0; }
nav ul.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color .3s;
  position: relative;
  display: inline-block;
  padding: 4px 0;
  white-space: nowrap;
}
nav ul.nav-links a:hover { color: var(--ink); }
nav ul.nav-links a:not(.nav-lang-trigger)::after {
  content: '';
  position: absolute; bottom: -2px; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width .3s;
}
nav ul.nav-links a:not(.nav-lang-trigger):hover::after { width: 100%; }

/* ============================================================
   LANGUAGE DROPDOWN — hover-open, delayed-close
   (works in nav + hero, identical behaviour, different palette)
============================================================ */
.nav-lang-wrap,
.hero-lang-wrap {
  position: relative;
}
.nav-lang-trigger,
.hero-lang-trigger {
  cursor: pointer;
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  padding: 7px 16px !important;
  border: 1px solid var(--accent);
  color: var(--accent) !important;
  background: transparent;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: all .25s;
  white-space: nowrap;
}
.nav-lang-trigger .caret,
.hero-lang-trigger .caret {
  font-size: 11px;
  transition: transform .25s;
}
.nav-lang-wrap.open .nav-lang-trigger {
  background: var(--accent);
  color: var(--bg) !important;
}
.nav-lang-wrap.open .nav-lang-trigger .caret { transform: rotate(180deg); }

/* Hero variant: dark background */
.hero-lang-wrap {
  position: absolute;
  top: 24px; right: 40px;
  z-index: 30;
}
/* Hero trigger 預設：黑底 / 白框 / 白字 */
.hero-lang-trigger {
  background: var(--ink) !important;
  border-color: var(--bg) !important;
  color: var(--bg) !important;
}
/* Hero trigger 展開時：白底 / 黑框 / 黑字 */
.hero-lang-wrap.open .hero-lang-trigger {
  background: var(--bg) !important;
  color: var(--ink) !important;
  border-color: var(--ink) !important;
}
.hero-lang-wrap.open .hero-lang-trigger .caret { transform: rotate(180deg); }

/* Dropdown panel */
.nav-lang-dropdown,
.hero-lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  /* Invisible bridge prevents the panel disappearing while cursor crosses the gap */
  margin-top: 0;
  padding-top: 10px;
  min-width: 200px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity .25s ease, transform .25s ease;
  z-index: 200;
}
.nav-lang-dropdown::before,
.hero-lang-dropdown::before {
  /* The actual visible panel rendered as ::before so we can keep an invisible hover bridge */
  content: '';
  position: absolute;
  inset: 10px 0 0 0;
  background: var(--bg);
  border: 1px solid var(--line);
  box-shadow: 0 14px 36px rgba(0,0,0,.14);
  z-index: -1;
}
.hero-lang-dropdown::before {
  background: var(--bg);
  border-color: var(--ink);
  box-shadow: 0 14px 36px rgba(0,0,0,.18);
}
/* Hero dropdown 內的選項：白底黑字，active 不改底色（仍是白底黑字），
   僅以粗體 + 左側標記表示選中 */
.hero-lang-dropdown .lang-opt {
  color: var(--ink);
  border-bottom-color: var(--line);
}
.hero-lang-dropdown .lang-opt .lang-code { color: var(--ink-faint); }
.hero-lang-dropdown .lang-opt.active {
  background: transparent;
  color: var(--ink);
  font-weight: 600;
}
.hero-lang-dropdown .lang-opt.active .lang-code { color: var(--ink); }
.hero-lang-dropdown .lang-opt.active::after {
  color: var(--ink);
}
.nav-lang-wrap.open .nav-lang-dropdown,
.nav-lang-wrap:focus-within .nav-lang-dropdown,
.hero-lang-wrap.open .hero-lang-dropdown,
.hero-lang-wrap:focus-within .hero-lang-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* 沒延遲，點即開、點外即收 */
.nav-lang-dropdown,
.hero-lang-dropdown {
  transition: opacity .25s ease, transform .25s ease;
}

.lang-opt {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--ink);
  text-align: left;
  transition: all .2s;
  position: relative;
  z-index: 1;
}
.lang-opt:last-child { border-bottom: none; }
.lang-opt .lang-code {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  width: 24px;
  flex-shrink: 0;
}
.lang-opt .lang-name { flex: 1; }
.lang-opt:hover {
  background: var(--ink);
  color: var(--bg);
}
.lang-opt:hover .lang-code { color: var(--bg); }
.lang-opt.active {
  background: var(--accent);
  color: var(--bg);
}
.lang-opt.active .lang-code { color: rgba(255,255,255,.7); }
.lang-opt.active::after {
  content: '●';
  font-size: 8px;
  margin-left: auto;
}

/* ============================================================
   HERO — Stage 1
============================================================ */
.hero {
  height: 100vh;
  width: 100%;
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--bg);
}

.hero-brand {
  position: absolute; top: 28px; left: 40px;
  z-index: 30;
  font-family: 'Shippori Mincho', serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.15em;
  color: var(--bg);
}
.hero-brand span { color: var(--accent); }

.hero-layout {
  height: 100%;
  display: grid;
  grid-template-columns: 2fr 1fr;
  transition: opacity .5s ease;
}
.hero-visual {
  position: relative;
  background: #0d0d0d;
  overflow: hidden;
  border-right: 1px solid rgba(245,243,238,.08);
}
.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  z-index: 0;
  pointer-events: none;
  transition: opacity 1.2s ease;
}
.hero-bg-video.active {
  opacity: 0.65;
}
.hero-visual::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, transparent 80%, rgba(13,13,13,.3) 100%);
  pointer-events: none;
  z-index: 1;
}
.hero-text {
  padding: 100px 48px 56px;
  display: flex;
  flex-direction: column;
  background: var(--ink);
  position: relative;
}
.hero-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(40px, 4.2vw, 64px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  color: var(--bg);
}
.hero-tagline {
  font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
  font-weight: 400;
  font-size: clamp(20px, 1.9vw, 26px);
  line-height: 1.45;
  color: rgba(245,243,238,.82);
  letter-spacing: 0.02em;
  margin-bottom: 48px;
  max-width: 32ch;
}

.cta-discover {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 22px 28px;
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--bg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity .5s ease, background .3s, color .3s, border-color .3s, transform .3s;
  -webkit-tap-highlight-color: rgba(37,64,168,.2);
  touch-action: manipulation;
  min-height: 58px;
  align-self: stretch;
}
.cta-discover:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.cta-discover:active { transform: scale(0.98); }
.cta-discover .icon {
  width: 10px; height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
}

/* ============================================================
   VIEW STATE SYSTEM
============================================================ */
/* Stage 1: hero visible, sections hidden */
main { display: none; }

/* Entering a view: hide hero entirely, show the selected section */
body.in-view .hero { display: none; }
body.in-view main { display: block; }
body.in-view section.view { display: none; }
body.in-view.view-work       section#work       { display: block; }
body.in-view.view-commission section#commission { display: block; }
body.in-view nav {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

section.view {
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 90px 48px 48px;
  scroll-behavior: smooth;
}

/* ============================================================
   STRICT SINGLE-LANGUAGE MODE
============================================================ */
.section-head > span.jp,
.category-head .cat-jp {
  display: none;
}
.hero-brand > span,
nav .logo span {
  display: inline !important;
}
body.lang-ja {
  font-family: 'Noto Serif JP', 'Shippori Mincho', serif;
}
body.lang-ja .mincho,
body.lang-ja .commission-flow li,
body.lang-ja .notice-list li,
body.lang-ja .about-text,
body.lang-ja .about-headline {
  font-family: 'Noto Serif JP', 'Shippori Mincho', serif;
}
body.lang-en {
  font-family: 'Cormorant Garamond', serif;
}

/* ============================================================
   SECTION CHROME
============================================================ */
section { padding: 0; position: relative; }
.section-head {
  display: flex; align-items: baseline; gap: 32px;
  margin-bottom: 56px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.section-head .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
}
.section-head h2 {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}
.section-head .jp {
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  color: var(--ink-faint);
  margin-left: auto;
  letter-spacing: 0.15em;
}

/* ============================================================
   WORK (About + Works combined, scrollable)
============================================================ */
#work .subsection {
  max-width: 1200px;
  margin: 0 auto;
  padding-block: 8px 80px;
}
#work .subsection:first-child {
  padding-top: 0;
  min-height: calc(100vh - 90px);
}

.sub-divider {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1200px;
  margin: 32px auto 64px;
  padding: 0 8px;
}
.sub-divider .sd-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.sub-divider .sd-label {
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--ink-faint);
  text-transform: uppercase;
  animation: pulseDown 2.4s ease-in-out infinite;
}
@keyframes pulseDown {
  0%, 100% { transform: translateY(0); opacity: .6; }
  50%      { transform: translateY(4px); opacity: 1; }
}

/* === ABOUT === */
.about-wrap {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: center;
}
.about-avatar {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.about-avatar img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  object-position: center 20%;
  border: 1px solid var(--line);
  display: block;
}
.about-avatar-contact {
  width: 100%;
  margin-top: 20px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.avatar-contact-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.avatar-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.avatar-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: border-color .2s;
}
.avatar-contact-list li:hover { border-color: var(--accent); }
.avatar-contact-list .aco-ico {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink);
  color: var(--bg);
  font-size: 11px;
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
}
.avatar-contact-list .aco-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink);
  letter-spacing: 0.02em;
  word-break: break-all;
  line-height: 1.3;
}
.avatar-contact-list a.aco-text {
  text-decoration: none;
  color: var(--ink);
}
.avatar-contact-list a.aco-text:hover { color: var(--accent); }
.avatar-contact-list .aco-tag {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.avatar-placeholder {
  aspect-ratio: 1/1;
  background: linear-gradient(135deg, var(--paper) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.avatar-placeholder::after {
  content: '';
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg,
      transparent, transparent 18px,
      rgba(0,0,0,.02) 18px, rgba(0,0,0,.02) 19px);
}
.avatar-placeholder .avatar-letter {
  font-family: 'Shippori Mincho', serif;
  font-size: 140px;
  font-weight: 300;
  color: var(--ink-soft);
  line-height: 1;
}
.avatar-placeholder .avatar-sub {
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.about-text {
  font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.95;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}
.about-headline {
  font-family: 'Shippori Mincho', serif;
  /* Same scale as the about-quote below so the two key lines visually align. */
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 24px;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}
/* 桌面隱藏 headline 內的 <br>，讓其維持單行（手機 media 內會還原） */
.about-headline br { display: none; }
.about-headline::-webkit-scrollbar { display: none; }
.about-divider {
  width: 48px; height: 1px;
  background: var(--accent);
  margin-bottom: 28px;
}
.about-text p { margin-bottom: 18px; }
.about-quote {
  font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.55;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  padding: 20px 0 20px 28px;
  margin: 40px 0;
  letter-spacing: 0.02em;
  position: relative;
}
.about-contact {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.contact-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.contact-list li {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: border-color .2s;
}
.contact-list li:hover { border-color: var(--accent); }
.contact-list .contact-ico {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink);
  color: var(--bg);
  font-size: 15px;
  flex-shrink: 0;
}
.contact-list a {
  color: var(--ink);
  text-decoration: none;
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  flex: 1;
  word-break: break-all;
}
.contact-list a:hover { color: var(--accent); }
.contact-list .contact-tag {
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ============================================================
   WORKS
============================================================ */
.work-category {
  margin-bottom: 64px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
/* "View more" button below each 2x2 category grid — opens YouTube playlist */
.works-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 32px auto 0;
  padding: 16px 32px;
  width: fit-content;
  min-width: 280px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: background .25s, color .25s, border-color .25s;
}
.works-more:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.works-more:hover .works-more-arrow { transform: translateX(4px); }
.works-more-arrow {
  font-size: 13px;
  transition: transform .25s;
}
.category-head {
  display: flex; align-items: baseline; gap: 20px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.category-head .cat-num {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--ink);
  color: var(--bg);
  font-size: 11px;
}
.category-head h3 {
  font-family: 'Shippori Mincho', serif;
  font-size: 26px;
  font-weight: 500;
}
.category-head .cat-jp {
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
  margin-left: auto;
}
.works-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 32px;
}
.work-card {
  position: relative;
  cursor: pointer;
  transition: transform .5s cubic-bezier(.2,.8,.2,1);
}
.work-card:hover { transform: translateY(-6px); }
.work-card:nth-child(even) { margin-top: 64px; }
.work-thumb {
  aspect-ratio: 16/10;
  background: var(--paper);
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
  margin-bottom: 20px;
}
.work-thumb video, .work-thumb iframe, .work-thumb .placeholder {
  width: 100%; height: 100%;
  object-fit: cover;
  border: none;
  display: block;
}
.work-thumb .placeholder {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--paper) 0%, var(--bg-soft) 100%);
  color: var(--ink-faint);
  font-family: 'Shippori Mincho', serif;
  font-size: 80px;
  font-weight: 300;
  position: relative;
  overflow: hidden;
}
.work-thumb .placeholder::after {
  content: '';
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg,
      transparent, transparent 20px,
      rgba(0,0,0,.02) 20px, rgba(0,0,0,.02) 21px);
}
.work-thumb .work-video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.work-thumb .play-overlay {
  position: absolute;
  bottom: 16px; right: 16px;
  background: rgba(0,0,0,.7);
  color: #fff;
  padding: 6px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.work-card:hover .play-overlay { opacity: 1; }
.work-thumb .badge {
  position: absolute; top: 16px; left: 16px;
  background: var(--bg);
  padding: 6px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
}
.work-meta { display: flex; justify-content: space-between; align-items: baseline; }
.work-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 4px;
}
.work-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.work-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
}

/* ============================================================
   INLINE WORK CARD PLAYBACK
============================================================ */
/* YT thumbnail on work card (also used as the click target) */
.work-yt-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* When a card is "playing", the iframe / video fills the thumb area.
   Suppress hover transforms so the player doesn't wobble while playing. */
.work-yt-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.work-card.playing { cursor: default; }
.work-card.playing .badge,
.work-card.playing .play-overlay { display: none; }
.work-card.playing:hover { transform: none; }

/* ============================================================
   COMMISSION
============================================================ */
.commission-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto 64px;
  align-items: start;
}
.commission-sub {
  font-family: 'Shippori Mincho', serif;
  font-size: 24px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 4px;
}
.commission-sub-mini {
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  font-weight: 500;
  text-align: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  margin-bottom: 16px;
}
.commission-note {
  font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
  text-align: center;
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}
.commission-form-wrap {
  padding: 32px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.commission-flow-wrap {
  padding: 32px 24px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}

.commission-form {
  display: flex; flex-direction: column;
  gap: 16px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.form-label em { color: var(--accent); font-style: normal; }
.form-field input,
.form-field select,
.form-field textarea {
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  font-family: 'Cormorant Garamond', serif;
  font-size: 15px;
  color: var(--ink);
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}
.form-field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%231a1a1a' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-field textarea { resize: vertical; min-height: 80px; }
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--ink-faint);
  font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
  font-style: normal;
  font-size: 15px;
}
.form-checkbox {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
  font-size: 15px;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 4px 0;
  letter-spacing: 0.02em;
}
.form-checkbox input { width: 16px; height: 16px; accent-color: var(--accent); }
.form-submit {
  margin-top: 8px;
  align-self: stretch;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  padding: 14px 24px;
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .3s;
  min-height: 48px;
}
.form-submit:hover { background: var(--accent); border-color: var(--accent); }
.form-submit:disabled { opacity: .5; cursor: wait; }
.form-submit .arrow { transition: transform .3s; }
.form-submit:hover .arrow { transform: translateX(4px); }
.form-status {
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  min-height: 1.5em;
}
.form-status.success { color: #2a7a3a; }
.form-status.error   { color: #b03030; }

/* Commission flow */
.commission-flow {
  list-style: none;
  display: flex; flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 16px 0 0;
}
.commission-flow li {
  display: flex; align-items: flex-start; gap: 12px;
  width: 100%;
  max-width: 280px;
  padding: 10px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  line-height: 1.4;
}
.commission-flow li.flow-arrow {
  border: none;
  background: transparent;
  padding: 0;
  color: var(--ink-faint);
  font-size: 11px;
  justify-content: center;
  align-items: center;
  width: auto;
  max-width: none;
}
.commission-flow .flow-num {
  background: var(--ink);
  color: var(--bg);
  width: 20px; height: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
}
.commission-flow em {
  display: block;
  font-size: 11px;
  color: var(--ink-faint);
  font-style: normal;
  margin-top: 4px;
}

.other-contacts { list-style: none; display: flex; flex-direction: column; gap: 8px; padding: 0 8px; }
.other-contacts li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 13px;
}
.other-contacts .oc-ico {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  background: var(--ink); color: var(--bg);
  font-size: 11px;
  flex-shrink: 0;
}
.other-contacts a {
  color: var(--ink);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  word-break: break-all;
  flex: 1;
}
.other-contacts a:hover { color: var(--accent); }
.other-contacts .oc-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink);
  word-break: break-all;
  flex: 1;
}
.other-contacts .oc-tag {
  margin-left: auto;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.commission-notice {
  max-width: 1100px;
  margin: 0 auto 48px;
  padding: 56px 64px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
}
.notice-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 36px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: 0.08em;
}
.notice-list { list-style: none; display: flex; flex-direction: column; gap: 18px; }
.notice-list li {
  font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 2;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.notice-list .notice-divider {
  color: var(--line);
  letter-spacing: 0;
  font-size: 8px;
  text-align: center;
  margin: 0;
  line-height: 1;
  overflow: hidden;
  position: relative;
  height: 1px;
  background: var(--line);
}

/* ============================================================
   WORKS — Commission CTA block (bottom of work section)
============================================================ */
.works-commission-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 64px 0 48px;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}
.works-commission-rule {
  width: 60px;
  height: 1px;
  background: var(--line);
}
.works-commission-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.works-commission-btn {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 18px 40px;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  letter-spacing: 0.1em;
  transition: background .3s, color .3s, border-color .3s;
  position: relative;
  overflow: hidden;
}
.works-commission-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  z-index: 0;
}
.works-commission-btn:hover::before { transform: translateX(0); }
.works-commission-btn:hover {
  color: var(--bg);
  border-color: var(--accent);
}
.works-commission-btn span:not(.works-commission-arrow) { position: relative; z-index: 1; }
.works-commission-arrow {
  font-size: 15px;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
  transition: transform .25s;
}
.works-commission-btn:hover .works-commission-arrow { transform: translateX(4px); }

.view-footer {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.15em;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   EFFECTS LAB
============================================================ */
.lab {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.lab-wrap {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  min-height: 400px;
  height: calc(100vh - 380px);
}
.lab-sidebar {
  border-right: 1px solid var(--line);
  padding-right: 24px;
  overflow-y: auto;
  height: 100%;
}
.lab-sidebar h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.lab-sidebar h4:not(:first-child) { margin-top: 28px; }
.effect-group { display: flex; flex-direction: column; gap: 6px; }

.effect-card {
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  cursor: grab;
  user-select: none;
  transition: all .2s;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  display: flex; justify-content: space-between; align-items: center;
}
.effect-card:hover {
  border-color: var(--ink);
  transform: translateX(2px);
}
.effect-card:active { cursor: grabbing; }
.effect-card.dragging { opacity: .4; }
.effect-card .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-faint);
}
.effect-card.cat-glow .dot   { background: #d4a017; }
.effect-card.cat-distort .dot{ background: #c44; }
.effect-card.cat-retro .dot  { background: #6b4; }
.effect-card.cat-color .dot  { background: var(--accent); }
.effect-card.cat-blur .dot   { background: #999; }
.effect-card.cat-edge .dot   { background: #a07; }

.lab-stage-wrap {
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  background: var(--bg);
  position: relative;
}
.lab-stage {
  flex: 1;
  position: relative;
  background: #1f2230;
  overflow: hidden;
}
.lab-stage.drop-active { box-shadow: inset 0 0 0 2px var(--accent); }
.lab-stage.drop-active::before {
  content: 'DROP TO APPLY';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent);
  background: var(--bg);
  padding: 8px 16px;
  border: 1px solid var(--accent);
  z-index: 10;
  pointer-events: none;
}
#lab-canvas { width: 100%; height: 100%; display: block; }

.lab-controls {
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  background: var(--paper);
  flex-wrap: wrap;
}
.shape-switch { display: flex; gap: 4px; flex-wrap: wrap; }
.shape-btn {
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: all .2s;
}
.shape-btn:hover { border-color: var(--ink); }
.shape-btn.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.mode-switch { display: flex; gap: 4px; }
.mode-btn {
  padding: 6px 12px 6px 10px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: all .2s;
  display: inline-flex; align-items: center; gap: 8px;
}
.mode-btn:hover { border-color: var(--ink); }
.mode-btn.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.mode-btn .mode-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .5; }
.mode-btn.active .mode-dot { opacity: 1; background: #6b9eff; }
body.drag-mode #lab-canvas { cursor: grab; }
body.drag-mode #lab-canvas:active { cursor: grabbing; }

.stack-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 20px;
  border-top: 1px solid var(--line);
  background: var(--bg);
  min-height: 56px;
}
.stack-bar .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-right: 8px;
}
.stack-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 8px 6px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  animation: chipIn .3s ease;
}
@keyframes chipIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.stack-chip .x {
  cursor: pointer;
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--line);
  transition: all .2s;
}
.stack-chip .x:hover { background: var(--ink); color: var(--bg); }
.stack-empty {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.15em;
  font-style: italic;
}
.stack-clear {
  margin-left: auto;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.stack-clear:hover { border-color: var(--ink); color: var(--ink); }

.lab-note {
  font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 2;
  color: var(--ink);
  letter-spacing: 0.04em;
  text-align: center;
  margin-top: 24px;
}

/* Burger button — hidden on desktop, shown on mobile */
.nav-burger {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 110;
  -webkit-tap-highlight-color: transparent;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: transform .3s, opacity .3s;
  transform-origin: center;
}
body.nav-open .nav-burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav-burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Desktop: add breathing room above commission CTA so it can't visually
   collide with the lab stage above it. */
.works-commission-cta {
  margin-top: 56px;
  position: relative;
  z-index: 2;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1000px) {
  nav { padding: 14px 20px; gap: 12px; }
  nav .logo { font-size: 15px; }
  nav ul.nav-links { gap: 16px; }
  nav ul.nav-links a { font-size: 11px; letter-spacing: 0.15em; }
  .nav-lang-trigger { padding: 5px 10px !important; font-size: 11px; }
}

@media (max-width: 760px) {
  /* ---- BODY: 解除桌面的 height:100vh 鎖定，讓整頁可垂直滾動 ---- */
  html, body {
    height: auto;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
    max-width: 100vw;
  }
  body.in-view {
    overflow-y: auto;
  }
  /* 防止 main 撐出畫面 */
  main { width: 100%; max-width: 100vw; overflow-x: hidden; }

  /* ---- NAV: 漢堡選單模式 ---- */
  nav {
    padding: 12px 16px;
    gap: 12px;
    flex-wrap: nowrap;
  }
  nav .logo { font-size: 15px; letter-spacing: 0.1em; }

  .nav-burger { display: flex; }

  /* 連結列改為 dropdown 面板 */
  nav ul.nav-links {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 16px;
    background: rgba(245, 243, 238, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s;
    max-height: calc(100vh - 56px);
    overflow-y: auto;
  }
  body.nav-open nav ul.nav-links {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  nav ul.nav-links > li {
    width: 100%;
    border-top: 1px solid var(--line);
  }
  nav ul.nav-links > li:first-child { border-top: none; }
  nav ul.nav-links a {
    display: block;
    width: 100%;
    padding: 16px 24px;
    font-size: 13px;
    letter-spacing: 0.2em;
  }
  /* 語言：在漢堡選單裡，trigger 列當標題，三個選項永遠在它下方顯示。
     不用點擊展開，選完直接關漢堡。 */
  .nav-lang-wrap { position: static; }
  .nav-lang-trigger,
  .nav-lang-trigger:hover,
  .nav-lang-trigger:focus,
  .nav-lang-trigger:active,
  .nav-lang-wrap.open .nav-lang-trigger,
  .nav-lang-wrap:hover .nav-lang-trigger,
  .nav-lang-wrap:focus-within .nav-lang-trigger {
    display: flex !important;
    align-items: center;
    justify-content: flex-start;
    padding: 16px 24px !important;
    font-size: 11px !important;
    letter-spacing: 0.3em !important;
    width: 100%;
    background: transparent !important;
    color: var(--ink-faint) !important;
    border: none !important;
    opacity: 1 !important;
    cursor: default;
    text-transform: uppercase;
    -webkit-tap-highlight-color: transparent !important;
    outline: none !important;
    text-decoration: none !important;
    transform: none !important;
  }
  /* 屏蔽 nav 連結的底線 ::after 在 trigger 上的動畫 */
  .nav-lang-trigger::after,
  .nav-lang-trigger:hover::after,
  .nav-lang-trigger:active::after,
  .nav-lang-trigger:focus::after {
    display: none !important;
    width: 0 !important;
    content: none !important;
  }
  /* 內部 span 也鎖死 */
  .nav-lang-trigger span,
  .nav-lang-trigger:hover span,
  .nav-lang-trigger:active span,
  .nav-lang-trigger:focus span {
    font-size: inherit !important;
    color: inherit !important;
    letter-spacing: inherit !important;
    transform: none !important;
    opacity: 1 !important;
  }
  .nav-lang-trigger .caret { display: none; }   /* 隱藏箭頭 */

  /* dropdown：覆寫桌面浮層，改成行內常駐顯示 */
  .nav-lang-dropdown,
  .nav-lang-wrap.open .nav-lang-dropdown,
  .nav-lang-wrap:hover .nav-lang-dropdown,
  .nav-lang-wrap:focus-within .nav-lang-dropdown {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    max-height: none !important;
    overflow: visible !important;
    padding: 0 24px 16px !important;
    min-width: 0;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    display: flex !important;
    flex-direction: row !important;
    justify-content: flex-start !important;
    gap: 28px !important;
    transition: none !important;
    transition-delay: 0s !important;
  }
  .nav-lang-dropdown::before { display: none !important; }

  /* 三個選項：只顯示簡短語言名（中 / 日 / 英），無邊框無分隔線 */
  .nav-lang-dropdown .lang-opt {
    flex: 0 0 auto;
    width: auto;
    padding: 6px 4px;
    background: transparent !important;
    border: none !important;
    color: var(--ink-soft);
    font-size: 17px;
    letter-spacing: 0.1em;
    font-family: 'Shippori Mincho', 'Noto Serif TC', 'Noto Serif JP', serif;
    -webkit-tap-highlight-color: transparent;
  }
  /* 手機點擊時不要因為桌面 hover 規則變黑底白字 */
  .nav-lang-dropdown .lang-opt:hover,
  .nav-lang-dropdown .lang-opt:focus,
  .nav-lang-dropdown .lang-opt:active {
    background: transparent !important;
    color: var(--ink-soft) !important;
  }
  .nav-lang-dropdown .lang-opt:hover .lang-code,
  .nav-lang-dropdown .lang-opt:focus .lang-code,
  .nav-lang-dropdown .lang-opt:active .lang-code { color: inherit !important; }
  .nav-lang-dropdown .lang-opt .lang-code,
  .nav-lang-dropdown .lang-opt .lang-name { display: none; }
  .nav-lang-dropdown .lang-opt[data-lang="zh"]::before { content: '中'; }
  .nav-lang-dropdown .lang-opt[data-lang="ja"]::before { content: '日'; }
  .nav-lang-dropdown .lang-opt[data-lang="en"]::before { content: '英'; }
  .nav-lang-dropdown .lang-opt.active,
  .nav-lang-dropdown .lang-opt.active:hover {
    background: transparent !important;
    color: var(--accent) !important;
    font-weight: 600;
  }
  .nav-lang-dropdown .lang-opt.active::after { display: none; }

  /* ---- HERO: 自然高度，避免 CTA 被 100vh + overflow:hidden 切掉 ---- */
  .hero {
    height: auto;
    min-height: 100vh;
    min-height: 100svh;
    overflow: visible;
    width: 100%;
    max-width: 100vw;
  }
  .hero-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 38vh auto;
    height: auto;
    min-height: 100vh;
    min-height: 100svh;
    width: 100%;
  }
  .hero-visual {
    border-right: none;
    border-bottom: 1px solid rgba(245,243,238,.08);
    min-height: 38vh;
  }
  .hero-text {
    padding: 28px 24px 36px;
    width: 100%;
    max-width: 100%;
  }
  .hero-title { font-size: clamp(32px, 9vw, 44px); margin-bottom: 20px; }
  .hero-tagline {
    font-size: clamp(15px, 4.2vw, 20px);
    margin-bottom: 28px;
    max-width: 100%;
  }
  .cta-discover {
    margin-top: 8px;
    padding: 18px 24px;
    font-size: 12px;
    letter-spacing: 0.25em;
    min-height: 54px;
    width: 100%;
    align-self: stretch;
  }
  .hero-brand { top: 16px; left: 20px; font-size: 15px; }
  .hero-lang-wrap { top: 16px; right: 16px; }

  /* Hero 語言下拉：手機與桌面一致 — 展開時白底黑框黑字 */
  .hero-lang-dropdown {
    background: var(--bg);
    border: 1px solid var(--ink);
    box-shadow: 0 14px 36px rgba(0,0,0,.18);
  }
  .hero-lang-dropdown::before { display: none; }
  .hero-lang-dropdown .lang-opt {
    z-index: auto;
    color: var(--ink);
    border-bottom-color: var(--line);
    -webkit-tap-highlight-color: transparent;
  }
  .hero-lang-dropdown .lang-opt .lang-code { color: var(--ink-faint); }
  .hero-lang-dropdown .lang-opt:hover,
  .hero-lang-dropdown .lang-opt:focus,
  .hero-lang-dropdown .lang-opt:active {
    background: transparent;
    color: var(--ink);
  }
  .hero-lang-dropdown .lang-opt.active,
  .hero-lang-dropdown .lang-opt.active:hover {
    background: transparent;
    color: var(--ink);
    font-weight: 600;
  }
  .hero-lang-dropdown .lang-opt.active .lang-code { color: var(--ink); }

  /* ---- VIEW: 跟著 body 自然滾動 ---- */
  section.view {
    height: auto;
    min-height: 100vh;
    min-height: 100svh;
    overflow: visible;
    padding: 80px 20px 60px;
    width: 100%;
    max-width: 100vw;
  }
  #work .subsection,
  #commission > * {
    max-width: 100%;
    width: 100%;
  }
  #work .subsection:first-child { min-height: 0; }

  /* ---- ABOUT: 頭貼置中、文字防溢出 ---- */
  .about-wrap {
    grid-template-columns: 1fr;
    justify-items: center;       /* 關鍵：讓 grid item 在欄內置中 */
    gap: 32px;
    text-align: center;
  }
  .about-avatar {
    max-width: 280px;
    width: 100%;
    margin: 0 auto;
    justify-self: center;
  }
  .about-avatar img { width: 100%; height: auto; display: block; }
  .about-avatar-contact {
    max-width: 280px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  .about-text {
    text-align: left;
    word-break: break-word;
    overflow-wrap: anywhere;
    max-width: 100%;
    width: 100%;
    justify-self: stretch;
  }
  .about-text p,
  .about-quote {
    max-width: 100%;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
  /* 解除桌面的水平滾動寫法，手機要正常折行 */
  .about-headline {
    white-space: normal !important;
    overflow: visible !important;
    word-break: break-word;
    overflow-wrap: anywhere;
    font-size: clamp(18px, 4.8vw, 24px);
    max-width: 100%;
  }
  /* 手機還原 <br>，讓 headline 在第一個 ・ 位置換行 */
  .about-headline br { display: inline !important; }

  /* ---- WORKS ---- */
  .works-grid { grid-template-columns: 1fr; gap: 32px; }
  .work-card { width: 100%; max-width: 100%; }
  .work-card:nth-child(even) { margin-top: 0; }
  .category-head { flex-wrap: wrap; }
  .category-head .cat-jp { margin-left: 0; width: 100%; }

  /* ---- LAB ---- */
  .lab-wrap { grid-template-columns: 1fr; height: auto; }
  .lab-sidebar { height: 280px; border-right: none; border-bottom: 1px solid var(--line); padding-bottom: 16px; padding-right: 0; }
  .lab-stage-wrap { height: 500px; }

  /* 手機委託：流程先顯示、表單在後 */
  .commission-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .commission-form-wrap { order: 2; }
  .commission-flow-wrap { order: 1; }
  .commission-form-wrap, .commission-flow-wrap { padding: 24px 20px; }
  .commission-notice { padding: 28px 24px; }
  .commission-form input,
  .commission-form select,
  .commission-form textarea { max-width: 100%; }

  /* 手機委託 CTA：改用跟「查看更多」相同的扁平樣式，但保留藍色強調 */
  .works-commission-cta {
    padding: 40px 0 24px;
    margin-top: 24px;
    gap: 16px;
  }
  .works-commission-rule { display: none; }
  .works-commission-label { font-size: 10px; }
  .works-commission-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin: 0 auto;
    padding: 16px 32px;
    width: fit-content;
    min-width: 280px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--paper);
    border: 1px solid var(--accent);
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
  }
  /* 移除桌面那條會掃過的藍色背景，也不做按下回饋，乾淨直接跳轉 */
  .works-commission-btn::before { display: none; }
  .works-commission-btn:hover,
  .works-commission-btn:active,
  .works-commission-btn:focus {
    background: var(--paper) !important;
    color: var(--accent) !important;
    border-color: var(--accent) !important;
  }
  .works-commission-btn:hover .works-commission-arrow,
  .works-commission-btn:active .works-commission-arrow,
  .works-commission-btn:focus .works-commission-arrow {
    color: var(--accent) !important;
    transform: none !important;
  }
  .works-commission-arrow { font-size: 13px; }
}

/* ---- 更窄的手機（iPhone SE 等）再緊一點 ---- */
@media (max-width: 380px) {
  .hero-text { padding: 24px 18px 32px; }
  .hero-title { font-size: 30px; }
  .hero-tagline { font-size: 14px; }
  .cta-discover { padding: 16px 20px; font-size: 11px; }
  section.view { padding: 72px 16px 56px; }
}

/* ============================================================
   觸控裝置 hover 全域抑制
   iOS Safari 會 sticky :hover，造成第一次 tap 觸發 hover 樣式而非 click。
   這裡統一把所有 :hover 視覺變化（變色、位移、border 變化等）關掉，
   只保留 :active 作為按下回饋。桌面（有真實 hover）不受影響。
============================================================ */
@media (hover: none) {
  /* nav 連結底線 hover */
  nav ul.nav-links a:hover { color: var(--ink-soft); }
  nav ul.nav-links a:not(.nav-lang-trigger):hover::after { width: 0; }

  /* lang-opt 桌面反白 */
  .lang-opt:hover {
    background: transparent;
    color: var(--ink);
  }
  .lang-opt:hover .lang-code { color: var(--ink-faint); }

  /* hero CTA */
  .cta-discover:hover {
    background: var(--bg);
    color: var(--ink);
    border-color: var(--bg);
  }

  /* about/commission 聯絡卡片 */
  .avatar-contact-list li:hover { border-color: var(--line); }
  .avatar-contact-list a.aco-text:hover { color: inherit; }
  .contact-list li:hover { border-color: var(--line); }
  .contact-list a:hover { color: inherit; }
  .other-contacts a:hover { color: inherit; }

  /* works 卡片懸浮位移與覆蓋 */
  .works-more:hover {
    background: var(--paper);
    color: var(--ink);
    border-color: var(--line);
  }
  .works-more:hover .works-more-arrow { transform: none; }
  .work-card:hover { transform: none; }
  .work-card:hover .play-overlay { opacity: 0; }

  /* 表單送出按鈕 */
  .form-submit:hover {
    background: var(--ink);
    border-color: var(--ink);
  }
  .form-submit:hover .arrow { transform: none; }

  /* commission CTA 桌面那條藍色滑入 */
  .works-commission-btn:hover::before { transform: translateX(-100%); }
  .works-commission-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
  }
  .works-commission-btn:hover .works-commission-arrow { transform: none; }

  /* effect lab 卡片與按鈕 */
  .effect-card:hover {
    border-color: var(--line);
    transform: none;
  }
  .shape-btn:hover { border-color: var(--line); }
  .mode-btn:hover { border-color: var(--line); }
  .stack-chip .x:hover {
    background: transparent;
    color: inherit;
  }
  .stack-clear:hover {
    border-color: var(--line);
    color: var(--ink-soft);
  }
}