*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal: #3dbfbd;
  --teal-dark: #0fa8a5;
  --teal-ink: #0a7472;
  --teal-tint: rgba(61,191,189,0.12);
  --cream: #f8f6f2;
  --paper: #ffffff;
  --ink: #1c2525;
  --ink-soft: #2a3535;
  --text: #3a3a3a;
  --text-light: #616161;
  --on-ink: #eef3f2;
  --on-ink-light: rgba(238,243,242,0.72);
  --border: rgba(126,202,200,0.28);
  --container: 1080px;
  --gutter: clamp(20px, 5vw, 48px);
  --band: clamp(80px, 11vw, 140px);
  --mincho: 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --latin: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  background: var(--cream);
  color: var(--text);
  font-family: var(--mincho);
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.case-link:hover, .proof-link:hover { text-decoration: underline; text-underline-offset: 4px; }
h1, h2, h3, p, li, summary, td, th { word-break: auto-phrase; }
.nw { display: inline-block; }
img { max-width: 100%; }

.inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.band { padding-block: var(--band); }
.band-paper { background: var(--paper); }
.band-cream { background: var(--cream); }
.band-ink { background: var(--ink); color: var(--on-ink); }

.eyebrow {
  font-family: var(--latin);
  font-size: 0.8rem;
  font-style: italic;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--teal-ink);
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.eyebrow::after { content: ''; width: 48px; height: 1px; background: var(--teal); opacity: 0.6; }
.band-ink .eyebrow { color: var(--teal); }

.sec-title {
  font-weight: 400;
  font-size: clamp(1.7rem, 3.6vw, 3rem);
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 36px;
}
.band-ink .sec-title { color: var(--on-ink); }
.lead {
  font-size: clamp(0.92rem, 1.2vw, 1.02rem);
  line-height: 2.3;
  color: var(--text-light);
  max-width: 40em;
  letter-spacing: 0.03em;
}
.lead + .lead { margin-top: 20px; }
.band-ink .lead { color: var(--on-ink-light); }
.lead strong { color: var(--text); font-weight: 600; }
.band-ink .lead strong { color: var(--on-ink); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mincho);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  padding: 18px 34px;
  border: 1px solid var(--ink);
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.btn-primary { background: var(--ink); color: var(--on-ink); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--teal); border-color: var(--teal); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--ink); color: var(--on-ink); }
.band-ink .btn { border-color: var(--on-ink); }
.band-ink .btn-primary { background: var(--on-ink); color: var(--ink); }
.band-ink .btn-primary:hover, .band-ink .btn-primary:focus-visible { background: var(--teal); border-color: var(--teal); color: var(--ink); }
.band-ink .btn-ghost { color: var(--on-ink); }
.band-ink .btn-ghost:hover, .band-ink .btn-ghost:focus-visible { background: var(--on-ink); color: var(--ink); }
.btn .arrow { transition: transform 0.25s; }
.btn:hover .arrow { transform: translateX(4px); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--teal-dark); outline-offset: 3px; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(248,246,242,0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.site-header.scrolled { border-bottom-color: var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.brand { display: flex; align-items: baseline; gap: 12px; text-decoration: none; }
.brand-name { font-family: var(--latin); font-style: italic; font-size: 1.6rem; color: var(--ink); letter-spacing: 0.02em; }
.brand-by { font-size: 0.66rem; color: var(--text-light); letter-spacing: 0.12em; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { font-family: var(--latin); font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; text-decoration: none; color: var(--text-light); transition: color 0.2s; }
.site-nav a:hover { color: var(--teal-ink); }
html[lang="en"] .hero h1 { font-size: clamp(1.9rem, 3.5vw, 2.9rem); }
.site-nav .nav-cta { font-family: var(--mincho); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: none; color: var(--on-ink); background: var(--ink); padding: 9px 18px; }
.site-nav .nav-cta:hover { background: var(--teal); color: var(--ink); }

.hero {
  position: relative;
  padding-block: calc(68px + clamp(56px, 9vw, 120px)) clamp(72px, 9vw, 120px);
  background:
    radial-gradient(1200px 520px at 85% 20%, rgba(61,191,189,0.14), transparent 60%),
    radial-gradient(800px 400px at 0% 100%, rgba(61,191,189,0.08), transparent 60%),
    var(--cream);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 10%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(40px, 6vw, 88px); align-items: center; }
.hero h1 {
  font-weight: 400;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 32px;
}
.hero h1 em { font-style: normal; color: var(--teal-ink); }
.hero-sub { font-size: clamp(0.92rem, 1.25vw, 1.05rem); line-height: 2.2; color: var(--text-light); margin-bottom: 40px; }
.hero-promise {
  display: inline-block;
  font-size: clamp(0.98rem, 1.35vw, 1.12rem);
  color: var(--ink);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}
.hero-actions { display: inline-grid; gap: 14px; }
.hero-actions .btn { justify-content: center; }

.chat {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 30px 60px -30px rgba(28,37,37,0.35), 0 2px 6px rgba(28,37,37,0.05);
  font-family: var(--sans);
  font-weight: 300;
  overflow: hidden;
}
.chat-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--cream); }
.chat-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(28,37,37,0.14); }
.chat-bar span { margin-left: 8px; font-size: 0.7rem; letter-spacing: 0.08em; color: var(--text-light); }
.chat-bar small { margin-left: auto; font-size: 0.62rem; color: var(--text-light); border: 1px solid var(--border); padding: 1px 8px; border-radius: 99px; }
.chat-body { padding: 22px 20px 24px; display: flex; flex-direction: column; gap: 14px; min-height: 290px; }
.msg { max-width: 88%; font-size: 0.86rem; line-height: 1.85; padding: 12px 16px; border-radius: 12px; }
.msg-user { align-self: flex-end; background: var(--ink); color: var(--on-ink); border-bottom-right-radius: 4px; }
.msg-ai { align-self: flex-start; background: var(--cream); color: var(--text); border-bottom-left-radius: 4px; }
.msg-ai ul { list-style: none; margin-top: 8px; display: grid; gap: 4px; }
.msg-ai li { font-size: 0.8rem; color: var(--text-light); padding-left: 1.4em; position: relative; }
.msg-ai li::before { content: '✓'; position: absolute; left: 0; color: var(--teal-ink); font-weight: 600; }
.typing { display: inline-flex; gap: 5px; padding: 16px 18px; }
.typing b { width: 6px; height: 6px; border-radius: 50%; background: var(--teal-dark); opacity: 0.35; animation: blink 1.1s infinite; }
.typing b:nth-child(2) { animation-delay: 0.18s; }
.typing b:nth-child(3) { animation-delay: 0.36s; }
@keyframes blink { 50% { opacity: 1; } }
.pop { animation: pop 0.45s cubic-bezier(0.16, 1, 0.3, 1) both; }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.works-lead { margin-bottom: 36px; }
.beyond-why + .beyond-why { margin-top: 16px; }
.works-date { margin-top: 16px; font-size: 0.76rem; color: var(--text-light); text-align: right; }
.works-list { list-style: none; display: grid; gap: 16px; }
.works-list a { display: grid; grid-template-columns: 240px 1fr; gap: 32px; align-items: center; padding: 24px; background: var(--cream); border: 1px solid var(--border); text-decoration: none; color: var(--text); transition: border-color 0.25s; }
.works-list a:hover { border-color: var(--teal); }
.works-shot { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border: 1px solid var(--border); }
.work-body { display: flex; flex-direction: column; gap: 4px; }
.works-kind { font-size: 0.76rem; letter-spacing: 0.16em; color: var(--teal-ink); }
.works-name { font-size: 1.15rem; font-weight: 600; color: var(--ink); letter-spacing: 0.04em; line-height: 1.5; }

.works-stat { margin-top: 6px; font-size: 0.86rem; color: var(--text); }
.works-stat b { font-size: 1.7rem; font-weight: 400; color: var(--ink); line-height: 1.2; margin-right: 4px; letter-spacing: 0.02em; }
.works-sub { font-size: 0.86rem; line-height: 2; color: var(--text-light); }
.works-url { margin-top: 6px; font-size: 0.82rem; color: var(--teal-ink); letter-spacing: 0.06em; }

.concept { text-align: left; }
.concept-line {
  font-weight: 400;
  font-size: clamp(1.5rem, 3.4vw, 2.6rem);
  line-height: 1.8;
  letter-spacing: 0.06em;
  color: var(--on-ink);
  margin-bottom: 36px;
}
.concept-line span { color: var(--teal); }

.concept .eyebrow { margin-bottom: 28px; }

.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); margin-top: 48px; }
.duo-col { background: var(--paper); padding: 40px clamp(24px, 4vw, 44px); }
.band-paper .duo-col { background: var(--cream); }
.duo-label { font-family: var(--latin); font-style: italic; font-size: 0.85rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--teal-ink); }
.duo-col h3 { font-size: clamp(1.1rem, 1.9vw, 1.35rem); font-weight: 600; letter-spacing: 0.06em; color: var(--ink); margin: 8px 0 18px; }
.duo-col p { font-size: 0.92rem; line-height: 2.2; color: var(--text-light); }
.duo-col p + p { margin-top: 14px; }
.duo.is-ink { background: rgba(238,243,242,0.14); border-color: rgba(238,243,242,0.14); }
.duo.is-ink .duo-col { background: var(--ink-soft); }
.duo.is-ink .duo-label { color: var(--teal); }
.duo.is-ink h3 { color: var(--on-ink); }
.duo.is-ink p { color: var(--on-ink-light); }
.change-table { margin-top: 40px; border-top: 1px solid var(--ink); }
.change-row { display: grid; grid-template-columns: 1.1fr 1.4fr 0.8fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--border); align-items: baseline; font-size: 0.95rem; }
.change-row span:first-child { color: var(--ink); font-weight: 600; }
.change-row span:nth-child(2) { color: var(--text-light); }
.change-row span:last-child { color: var(--teal-ink); font-weight: 600; }
.change-head span, .change-head span:first-child, .change-head span:nth-child(2), .change-head span:last-child { font-size: 0.76rem; font-weight: 400; letter-spacing: 0.14em; color: var(--text-light); }
.says { list-style: none; display: grid; gap: 12px; margin-top: 36px; max-width: 44em; }
.says li { font-family: var(--sans); font-size: 0.92rem; line-height: 1.8; padding: 16px 20px; background: var(--ink); color: var(--on-ink); border-radius: 12px 12px 4px 12px; }
.levels-note { margin-top: 36px; }
.tech-note { margin-top: 28px; font-size: 0.8rem; color: var(--text-light); }
.carry-chips { margin-top: 24px; margin-bottom: 28px; }
.dash-list { list-style: none; display: grid; gap: 8px; }
.dash-list li { position: relative; padding-left: 1.4em; font-size: 0.92rem; line-height: 1.9; color: var(--text-light); }
.dash-list li::before { content: '—'; position: absolute; left: 0; color: var(--teal); }
.works-flow { font-size: 0.8rem; letter-spacing: 0.02em; color: var(--teal-ink); }
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); margin-top: 40px; }
.mini { background: var(--paper); padding: 28px 26px; display: flex; flex-direction: column; gap: 8px; }
.mini h3 { font-size: 1.05rem; font-weight: 600; letter-spacing: 0.06em; color: var(--ink); }
.mini p { font-size: 0.88rem; line-height: 1.9; color: var(--text-light); flex: 1; }
.mini a { font-size: 0.82rem; color: var(--teal-ink); text-decoration: none; letter-spacing: 0.04em; }
.mini a:hover { text-decoration: underline; text-underline-offset: 4px; }

.flow { margin-top: 56px; display: grid; gap: 18px; }
.flow-row { display: grid; grid-template-columns: 7.5em 1fr; align-items: center; gap: 20px; padding: 26px 28px; border: 1px solid var(--border); background: var(--cream); }
.flow-row.is-new { background: var(--ink); border-color: var(--ink); }
.flow-label { font-size: 0.82rem; letter-spacing: 0.2em; color: var(--text-light); }
.is-new .flow-label { color: var(--teal); }
.flow-nodes { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.flow-nodes li {
  position: relative;
  text-align: center;
  font-size: 0.92rem;
  padding: 14px 8px;
  background: var(--paper);
  border: 1px solid var(--border);
  color: var(--text);
}
.flow-nodes li:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -28px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-family: var(--sans);
}
.is-new .flow-nodes li { background: var(--ink-soft); border-color: rgba(238,243,242,0.14); color: var(--on-ink); }
.is-new .flow-nodes li:not(:last-child)::after { color: var(--teal); }
.is-new .flow-nodes .node-ai { background: var(--teal); border-color: var(--teal); color: var(--ink); font-weight: 600; }
.is-new .flow-nodes .node-all { border-color: var(--teal); color: var(--teal); }

.features { margin-top: 64px; display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.feat { display: grid; grid-template-columns: minmax(150px, 0.34fr) 1fr; background: var(--paper); }
.feat-mark { padding: 44px 32px; border-right: 1px solid var(--border); display: flex; flex-direction: column; justify-content: space-between; gap: 18px; }
.feat-num { font-family: var(--latin); font-style: italic; font-size: 0.95rem; color: var(--teal-ink); letter-spacing: 0.1em; }
.feat-glyph { font-size: clamp(3.4rem, 7vw, 5.6rem); line-height: 1; color: var(--teal); opacity: 0.85; font-weight: 400; }
.feat-en { font-family: var(--latin); font-size: 0.78rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--text-light); }
.feat-body { padding: 44px clamp(24px, 4vw, 56px); }
.feat-body h3 { font-weight: 600; font-size: clamp(1.3rem, 2.2vw, 1.7rem); letter-spacing: 0.1em; color: var(--ink); margin-bottom: 6px; }
.feat-tag { display: block; font-weight: 400; font-size: clamp(1rem, 1.6vw, 1.2rem); color: var(--teal-ink); letter-spacing: 0.06em; margin-bottom: 22px; }
.feat-body p { font-size: 0.92rem; line-height: 2.2; color: var(--text-light); max-width: 38em; }
.feat-body p + p { margin-top: 14px; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chips li { font-size: 0.8rem; padding: 6px 14px; background: var(--teal-tint); color: var(--ink); border-radius: 99px; }
.chips.is-muted li { background: var(--cream); color: var(--text-light); text-decoration: line-through; text-decoration-color: rgba(97,97,97,0.5); }
.pull {
  font-size: clamp(1.15rem, 2.2vw, 1.7rem);
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--ink);
  border-left: 2px solid var(--teal);
  padding-left: 22px;
  margin: 8px 0 26px;
}

.beyond-why { margin-top: 48px; padding: 32px clamp(24px, 4vw, 44px); background: var(--cream); border-left: 2px solid var(--teal); }
.beyond-why h3 { font-size: 1.05rem; font-weight: 600; letter-spacing: 0.06em; color: var(--ink); margin-bottom: 14px; }
.beyond-why p { font-size: 0.92rem; line-height: 2.2; color: var(--text-light); max-width: 44em; }
.beyond-why p + p { margin-top: 12px; }
.beyond-close { margin-top: 48px; font-size: clamp(1.15rem, 2.2vw, 1.7rem); line-height: 1.9; letter-spacing: 0.04em; color: var(--ink); }
.beyond-close span { color: var(--teal-ink); }

.note { margin-top: 64px; font-size: 0.76rem; color: var(--text-light); }
.proof-link { display: inline-block; margin-top: 20px; font-size: 0.86rem; color: var(--teal-ink); text-decoration: none; letter-spacing: 0.06em; }
.proof-link:hover { color: var(--ink); }

.case-link { color: var(--teal-ink); text-decoration: none; }
.case-stats { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); margin-top: 48px; }
.case-stats li { background: var(--paper); padding: 26px 22px; font-size: 0.86rem; color: var(--text); }
.case-stats b { font-size: 1.8rem; font-weight: 400; line-height: 1.2; color: var(--ink); margin-right: 4px; letter-spacing: 0.02em; }
.case-stats span { display: block; margin-top: 10px; font-size: 0.78rem; line-height: 1.8; color: var(--text-light); }
.cycle { list-style: none; counter-reset: c; display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; margin-top: 56px; }
.cycle li { counter-increment: c; position: relative; }
.cycle li::before { content: counter(c, decimal-leading-zero); display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px; border-radius: 50%; background: var(--paper); border: 1px solid var(--teal); font-family: var(--latin); font-style: italic; font-size: 1rem; color: var(--teal-ink); }
.cycle li:not(:last-child)::after { content: '→'; position: absolute; right: -28px; top: 10px; color: var(--teal-ink); font-family: var(--sans); }
.cycle h3 { font-size: 1rem; font-weight: 600; line-height: 1.7; color: var(--ink); letter-spacing: 0.04em; margin-bottom: 10px; }
.cycle p { font-size: 0.86rem; line-height: 2; color: var(--text-light); }
.cycle-note { margin-top: 36px; font-size: 0.95rem; line-height: 2; color: var(--ink); max-width: 44em; }
#case .proof-link { margin-top: 24px; }
.shift { margin-top: 56px; padding: 36px clamp(24px, 4vw, 44px); background: var(--paper); border: 1px solid var(--border); border-top: 2px solid var(--teal); }
.shift-title { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 400; letter-spacing: 0.06em; color: var(--ink); margin-bottom: 22px; }
.shift-list { list-style: none; display: grid; gap: 18px; }
.shift-list li { display: grid; gap: 4px; padding-left: 1.4em; position: relative; }
.shift-list li::before { content: '—'; position: absolute; left: 0; color: var(--teal); }
.shift-list b { font-weight: 600; font-size: 1rem; color: var(--ink); letter-spacing: 0.03em; }
.shift-list span { font-size: 0.88rem; line-height: 2; color: var(--text-light); }

.compare { margin-top: 56px; }
.compare h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 400; color: var(--ink); line-height: 1.8; margin-bottom: 22px; letter-spacing: 0.04em; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare-col { padding: 28px 26px; border: 1px solid var(--border); background: var(--paper); }
.compare-col.is-kitsune { background: var(--paper); border-color: var(--teal); }
.compare-label { font-size: 0.8rem; letter-spacing: 0.14em; color: var(--text-light); }
.is-kitsune .compare-label { color: var(--teal-ink); }
.compare-col .chips { margin-top: 14px; }
.compare-col p { margin-top: 16px; font-size: 0.92rem; color: var(--ink); }
.chips.is-wp li { background: var(--paper); color: var(--text-light); border: 1px solid var(--border); }

.faq { margin-top: 48px; border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; font-size: clamp(0.98rem, 1.5vw, 1.1rem); color: var(--ink); letter-spacing: 0.04em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--latin); font-size: 1.6rem; line-height: 1; color: var(--teal-ink); transition: transform 0.25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 26px; font-size: 0.92rem; line-height: 2.2; color: var(--text-light); max-width: 44em; }

.closing {
  font-weight: 400;
  font-size: clamp(1.8rem, 4.4vw, 3.6rem);
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--on-ink);
  margin-bottom: 40px;
}
.closing span { color: var(--teal); }

.contact-form { margin-top: 44px; max-width: 40em; display: grid; gap: 22px; }
.contact-form .field { display: grid; gap: 8px; }
.contact-form .field span { font-size: 0.8rem; letter-spacing: 0.12em; color: var(--on-ink-light); }
.contact-form input, .contact-form textarea { width: 100%; font: inherit; font-size: 0.95rem; color: var(--on-ink); background: transparent; border: 0; border-bottom: 1px solid rgba(238,243,242,0.3); padding: 10px 0; border-radius: 0; transition: border-color 0.25s; }
.contact-form textarea { resize: vertical; min-height: 140px; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-bottom-color: var(--teal); }
.contact-form input::placeholder { color: rgba(238,243,242,0.35); }
.contact-form .btn { justify-self: start; cursor: pointer; }
.contact-form .btn:disabled { opacity: 0.5; cursor: wait; }
.contact-form.is-sent .field, .contact-form.is-sent .cf-turnstile, .contact-form.is-sent .btn { display: none; }
.form-status { min-height: 1.5em; font-size: 0.92rem; color: var(--teal); }
.form-note { font-size: 0.76rem; color: var(--on-ink-light); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.site-footer { background: var(--cream); padding-block: 40px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-inner a { font-size: 0.85rem; font-weight: 600; color: var(--ink); text-decoration: none; letter-spacing: 0.08em; }
.footer-inner a:hover { color: var(--teal-ink); }
.footer-inner small { font-size: 0.66rem; color: rgba(42,42,42,0.45); letter-spacing: 0.1em; }

.fade { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.fade.on { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade { opacity: 1; transform: none; transition: none; }
  .pop, .typing b { animation: none; }
}

@media (max-width: 960px) {
  .site-nav a:not(.nav-cta):not(.lang) { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .case-stats { grid-template-columns: repeat(2, 1fr); }
  .mini-grid { grid-template-columns: repeat(2, 1fr); }
  .works-list a { grid-template-columns: 200px 1fr; gap: 24px; }
  .cycle { grid-template-columns: repeat(2, 1fr); }
  .cycle li:nth-child(2)::after { display: none; }
}

@media (max-width: 720px) {
  br.pc { display: none; }
  .btn { padding: 16px 20px; letter-spacing: 0.06em; }
  .brand-by { display: none; }
  .flow-row { grid-template-columns: 1fr; padding: 22px 18px; }
  .flow-nodes { grid-template-columns: 1fr; gap: 26px; }
  .flow-nodes li:not(:last-child)::after { content: '↓'; right: auto; left: 50%; top: auto; bottom: -24px; transform: translateX(-50%); }
  .feat { grid-template-columns: 1fr; }
  .feat-mark { border-right: 0; border-bottom: 1px solid var(--border); flex-direction: row; align-items: flex-end; padding: 28px 24px 20px; }
  .feat-glyph { font-size: 3rem; }
  .feat-body { padding: 28px 24px 36px; }
  .duo { grid-template-columns: 1fr; }
  .change-row { grid-template-columns: 1fr; gap: 4px; }
  .change-head { display: none; }
  .change-row span[data-label]::before { content: attr(data-label) ': '; font-weight: 400; color: var(--text-light); }
  .mini-grid { grid-template-columns: 1fr; }
  .works-list a { grid-template-columns: 112px 1fr; gap: 16px; align-items: start; padding: 16px; }
  .works-stat b { font-size: 1.4rem; }
  .compare-grid { grid-template-columns: 1fr; }
  .cycle { grid-template-columns: 1fr; gap: 28px; }
  .cycle li::after { display: none; }
  .note { margin-top: 24px; }
}

@media (max-width: 480px) {
  .hero-actions { display: grid; }
  .case-stats { grid-template-columns: 1fr; }
  .works-date { text-align: left; }
  .btn { width: 100%; justify-content: center; }
}