:root {
  --ink: #111329;
  --muted: #646579;
  --paper: #fbfbff;
  --white: #ffffff;
  --violet: #6657db;
  --blue: #3985eb;
  --cyan: #18b8c8;
  --pink: #f23488;
  --pink-soft: #fff0f6;
  --line: rgba(17, 19, 41, 0.16);
  --shell: min(1360px, calc(100vw - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a, button { font: inherit; }
button { color: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.eyebrow {
  margin: 0;
  color: var(--violet);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.22em;
  line-height: 1.5;
}

.artria-hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  border-bottom: 2px solid var(--ink);
  background: var(--white);
}
.artria-hero::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 11px;
  background: linear-gradient(var(--violet) 0 33%, var(--cyan) 33% 66%, var(--pink) 66%);
  content: "";
}
.hero-rail {
  position: absolute;
  inset: 0 0 auto;
  z-index: 4;
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  color: #858698;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.22em;
  padding-inline: 32px;
}
.hero-layout {
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(480px, 0.9fr) minmax(620px, 1.1fr);
  align-items: center;
  gap: clamp(20px, 4vw, 72px);
  padding-block: 82px 44px;
}
.hero-copy { position: relative; z-index: 3; }
.artria-wordmark { width: 142px; height: auto; margin-bottom: clamp(58px, 8vh, 88px); }
.hero-copy h1 {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: clamp(55px, 5vw, 80px);
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 1.03;
}
.hero-copy h1 span { color: var(--pink); }
.hero-lead {
  max-width: 650px;
  margin: 30px 0 0;
  color: #515366;
  font-size: 15px;
  font-weight: 700;
  line-height: 2;
}
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 35px; }
.primary-cta {
  display: inline-flex;
  min-height: 62px;
  align-items: center;
  justify-content: center;
  gap: 24px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  box-shadow: 6px 6px 0 var(--pink);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  padding-inline: 28px 22px;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.primary-cta:hover { box-shadow: 3px 3px 0 var(--pink); transform: translate(3px, 3px); }
.primary-cta span { color: #ff86bb; font-size: 17px; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  font-size: 11px;
  font-weight: 900;
  padding-bottom: 5px;
  text-decoration: none;
}
.text-link span { color: var(--pink); }
.hero-note { margin: 19px 0 0 8px; color: #9595a1; font-size: 9px; font-weight: 700; }
.hero-art {
  position: relative;
  align-self: stretch;
  min-height: 620px;
  margin-right: calc((100vw - var(--shell)) / -2);
}
.hero-art::before {
  position: absolute;
  inset: 10% 0 4% 9%;
  z-index: 0;
  border: 2px solid var(--ink);
  background: #f0f2ff;
  box-shadow: 13px 13px 0 var(--ink);
  content: "";
  transform: rotate(1.3deg);
}
.hero-art > img {
  position: absolute;
  inset: 6% 0 8% -2%;
  z-index: 1;
  width: 100%;
  height: 86%;
  object-fit: cover;
  object-position: center;
  clip-path: polygon(7% 0, 100% 0, 100% 100%, 0 96%);
}
.hero-stamp {
  position: absolute;
  z-index: 2;
  display: grid;
  min-width: 122px;
  border: 2px solid var(--ink);
  background: #fff;
  box-shadow: 5px 5px 0 var(--ink);
  color: #838496;
  font-size: 7px;
  font-weight: 900;
  letter-spacing: 0.15em;
  line-height: 1.5;
  padding: 10px 13px;
}
.hero-stamp b { color: var(--ink); font-size: 13px; letter-spacing: 0; }
.hero-stamp--one { top: 15%; left: 1%; transform: rotate(-4deg); }
.hero-stamp--two { right: 9%; bottom: 21%; transform: rotate(3deg); }
.hero-stamp--three { right: 28%; bottom: 4%; transform: rotate(-2deg); }

.services-overview { padding-block: clamp(100px, 11vw, 160px); background: var(--paper); }
.section-intro { display: grid; grid-template-columns: 1fr 0.72fr; gap: 70px; align-items: end; }
.section-intro--wide { grid-template-columns: 1.14fr 0.66fr; }
.section-intro h2,
.core-heading h2,
.atdrop-detail h2,
.tools-copy h2,
.future-copy h2,
.final-cta h2 {
  margin: 18px 0 0;
  font-size: clamp(49px, 5.7vw, 82px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.04;
}
.section-intro h2 span,
.core-heading h2 span,
.atdrop-detail h2 span,
.tools-copy h2 span,
.future-copy h2 span,
.final-cta h2 span { color: var(--pink); }
.section-intro > p,
.section-intro > div + p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 2;
}
.role-grid {
  display: grid;
  margin-top: 82px;
  grid-template-columns: repeat(3, 1fr);
  border: 2px solid var(--ink);
  box-shadow: 12px 12px 0 var(--ink);
}
.role { display: grid; min-width: 0; grid-template-rows: 80px auto 1fr; border-right: 2px solid var(--ink); background: #fff; }
.role:last-child { border-right: 0; }
.role__top { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 2px solid var(--ink); padding: 15px 18px; }
.role__top > span { color: var(--violet); font-size: 8px; font-weight: 900; letter-spacing: 0.15em; }
.role__top img { width: auto; max-width: 138px; max-height: 43px; object-fit: contain; }
.role--atdrop .role__top img { max-width: 90px; }
.role__image { overflow: hidden; aspect-ratio: 1.34 / 1; border-bottom: 2px solid var(--ink); }
.role__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.role:hover .role__image img { transform: scale(1.025); }
.role__copy { display: flex; min-height: 235px; flex-direction: column; align-items: flex-start; padding: 27px 25px 24px; }
.role__copy h3 { margin: 0; font-size: 23px; font-weight: 900; letter-spacing: -0.04em; }
.role__copy p { margin: 16px 0 0; color: var(--muted); font-size: 11px; font-weight: 700; line-height: 1.85; }
.role__copy a { margin-top: auto; border-bottom: 1px solid var(--ink); color: var(--ink); font-size: 10px; font-weight: 900; padding-top: 26px; padding-bottom: 5px; text-decoration: none; }
.role__copy a span { color: var(--pink); }
.role--tools .role__copy { border-top: 7px solid var(--cyan); }
.role--connect .role__copy { border-top: 7px solid var(--blue); }
.role--atdrop .role__copy { border-top: 7px solid var(--pink); }

.core-set { padding-block: clamp(100px, 10vw, 150px); border-block: 2px solid var(--ink); background: #fff4f8; }
.core-heading { display: grid; grid-template-columns: 1fr 0.54fr; gap: 70px; align-items: end; }
.core-heading h2 { font-size: clamp(48px, 5.5vw, 78px); }
.core-heading__note { border-left: 4px solid var(--pink); padding: 8px 0 8px 25px; }
.core-heading__note strong { font-size: 21px; font-weight: 900; }
.core-heading__note p { margin: 11px 0 0; color: var(--muted); font-size: 12px; font-weight: 700; line-height: 1.8; }
.core-flow { position: relative; display: grid; margin-top: 74px; grid-template-columns: 1fr 70px 1fr; align-items: center; }
.product-view { overflow: hidden; border: 2px solid var(--ink); background: #fff; box-shadow: 10px 10px 0 var(--ink); }
.product-view__label { display: flex; min-height: 68px; align-items: center; justify-content: space-between; border-bottom: 2px solid var(--ink); padding: 11px 17px; }
.product-view__label span { color: var(--violet); font-size: 8px; font-weight: 900; letter-spacing: 0.16em; }
.product-view__label img { width: auto; max-width: 118px; max-height: 39px; object-fit: contain; }
.product-view--atdrop .product-view__label img { max-width: 86px; }
.connect-screen,
.atdrop-screen { min-height: 410px; background: #f5f7ff; padding: 20px; }
.connect-screen__header { width: 100%; aspect-ratio: 3 / 1; border: 1px solid var(--line); object-fit: cover; }
.connect-screen__profile { display: flex; align-items: center; gap: 13px; margin-top: 16px; }
.connect-screen__profile > img { width: 58px; height: 58px; border: 2px solid var(--ink); border-radius: 50%; object-fit: cover; }
.connect-screen__profile div { display: grid; gap: 5px; }
.connect-screen__profile strong { font-size: 14px; }
.connect-screen__profile span { color: var(--muted); font-size: 8px; font-weight: 700; }
.connect-screen__links { display: grid; margin-top: 19px; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.connect-screen__links span { border: 1px solid #cfd5e8; border-radius: 8px; background: #fff; font-size: 9px; font-weight: 900; padding: 11px 12px; }
.atdrop-screen { background: #fff7fb; }
.atdrop-screen__creator { display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 10px; margin-bottom: 14px; }
.atdrop-screen__creator img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.atdrop-screen__creator strong { font-size: 11px; }
.atdrop-screen__creator span { border: 1px solid #f3b4d0; border-radius: 999px; color: var(--pink); font-size: 8px; font-weight: 900; padding: 5px 8px; }
.atdrop-screen__gacha { width: 100%; aspect-ratio: 3 / 2; border: 1px solid var(--line); border-radius: 13px; object-fit: cover; }
.atdrop-screen__action { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 15px; }
.atdrop-screen__action div { display: grid; gap: 4px; }
.atdrop-screen__action small { color: var(--pink); font-size: 7px; font-weight: 900; letter-spacing: 0.13em; }
.atdrop-screen__action strong { font-size: 14px; }
.atdrop-screen__action button { min-height: 44px; border: 0; border-radius: 999px; background: var(--pink); color: #fff; cursor: pointer; font-size: 9px; font-weight: 900; padding-inline: 17px; }
.product-view__copy { min-height: 138px; border-top: 2px solid var(--ink); padding: 22px 23px; }
.product-view__copy h3 { margin: 0; font-size: 20px; font-weight: 900; letter-spacing: -0.04em; }
.product-view__copy p { margin: 11px 0 0; color: var(--muted); font-size: 10px; font-weight: 700; line-height: 1.7; }
.flow-bridge { position: relative; z-index: 4; display: grid; justify-items: center; gap: 7px; }
.flow-bridge > span { display: grid; width: 54px; height: 54px; place-items: center; border: 2px solid var(--ink); border-radius: 50%; background: #fff; box-shadow: 4px 4px 0 var(--ink); color: var(--pink); font-size: 28px; font-weight: 500; }
.flow-bridge small { color: var(--muted); font-size: 7px; font-weight: 900; letter-spacing: 0.13em; line-height: 1.4; text-align: center; }

.atdrop-detail { padding-block: clamp(100px, 10vw, 150px); background: #fff; }
.atdrop-detail__layout { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: clamp(55px, 7vw, 100px); align-items: center; }
.atdrop-detail__copy > img { width: 112px; height: auto; margin-bottom: 42px; }
.atdrop-detail h2 { font-size: clamp(47px, 5vw, 72px); }
.atdrop-detail__copy > p:not(.eyebrow) { max-width: 500px; margin: 28px 0 0; color: var(--muted); font-size: 13px; font-weight: 700; line-height: 2; }
.atdrop-detail__copy > a,
.tools-copy > a { display: inline-flex; margin-top: 30px; gap: 13px; border-bottom: 2px solid var(--ink); color: var(--ink); font-size: 11px; font-weight: 900; padding-bottom: 6px; text-decoration: none; }
.atdrop-detail__copy > a span,
.tools-copy > a span { color: var(--pink); }
.atdrop-demo { border: 2px solid var(--ink); background: #fff; box-shadow: 12px 12px 0 var(--ink); }
.atdrop-demo__tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 2px solid var(--ink); }
.atdrop-demo__tabs button { position: relative; min-height: 62px; border: 0; border-right: 1px solid var(--line); background: #fff; color: #858695; cursor: pointer; font-size: 10px; font-weight: 900; }
.atdrop-demo__tabs button:last-child { border-right: 0; }
.atdrop-demo__tabs button::after { position: absolute; inset: auto 0 0; height: 6px; background: var(--pink); content: ""; opacity: 0; }
.atdrop-demo__tabs button.is-active { color: var(--ink); }
.atdrop-demo__tabs button.is-active::after { opacity: 1; }
.atdrop-demo__panel { display: grid; grid-template-columns: 1.12fr 0.88fr; min-height: 470px; }
.atdrop-demo__panel > img { width: 100%; height: 100%; min-height: 470px; border-right: 2px solid var(--ink); object-fit: cover; transition: opacity 150ms ease; }
.atdrop-demo__panel > img.is-changing { opacity: 0; }
.atdrop-demo__caption { display: flex; flex-direction: column; justify-content: center; padding: 38px; }
.atdrop-demo__caption span { color: var(--pink); font-size: 8px; font-weight: 900; letter-spacing: 0.17em; }
.atdrop-demo__caption h3 { margin: 14px 0 0; font-size: 30px; font-weight: 900; letter-spacing: -0.045em; line-height: 1.25; }
.atdrop-demo__caption p { margin: 18px 0 0; color: var(--muted); font-size: 11px; font-weight: 700; line-height: 1.8; }

.tools-section { padding-block: clamp(100px, 10vw, 150px); border-block: 2px solid var(--ink); background: #effafa; }
.tools-layout { display: grid; grid-template-columns: 1.08fr 0.92fr; border: 2px solid var(--ink); background: #fff; box-shadow: 12px 12px 0 var(--ink); }
.tools-visual { position: relative; min-height: 520px; border-right: 2px solid var(--ink); }
.tools-visual img { width: 100%; height: 100%; object-fit: cover; }
.tools-visual span { position: absolute; right: 17px; bottom: 17px; border: 2px solid var(--ink); background: #fff; box-shadow: 4px 4px 0 var(--ink); font-size: 8px; font-weight: 900; letter-spacing: 0.15em; padding: 10px 12px; }
.tools-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 55px; }
.tools-copy > img { width: 198px; height: auto; margin-bottom: 40px; }
.tools-copy h2 { font-size: clamp(43px, 4.6vw, 66px); }
.tools-copy > p:not(.eyebrow) { margin: 25px 0 0; color: var(--muted); font-size: 12px; font-weight: 700; line-height: 1.95; }
.tools-steps { display: grid; margin: 58px 0 0; grid-template-columns: repeat(4, 1fr); border-block: 2px solid var(--ink); padding: 0; list-style: none; }
.tools-steps li { display: grid; min-height: 145px; align-content: center; gap: 7px; border-right: 2px solid var(--ink); padding: 20px 24px; }
.tools-steps li:last-child { border-right: 0; }
.tools-steps span { color: var(--cyan); font-size: 8px; font-weight: 900; letter-spacing: 0.16em; }
.tools-steps strong { font-size: 21px; font-weight: 900; }
.tools-steps small { color: var(--muted); font-size: 9px; font-weight: 700; }

.creator-proof { padding-block: clamp(100px, 10vw, 150px); background: #fff; }
.proof-tabs { display: flex; margin-top: 66px; border-bottom: 2px solid var(--ink); }
.proof-tabs button { position: relative; min-height: 60px; flex: 1; border: 0; background: #fff; color: #90909b; cursor: pointer; font-size: 12px; font-weight: 900; }
.proof-tabs button::after { position: absolute; inset: auto 0 -2px; height: 7px; background: var(--violet); content: ""; opacity: 0; }
.proof-tabs button.is-active { color: var(--ink); }
.proof-tabs button.is-active::after { opacity: 1; }
.proof-case { display: grid; grid-template-columns: 0.72fr 1.1fr 0.86fr; border: 2px solid var(--ink); border-top: 0; background: #fff; box-shadow: 12px 12px 0 var(--ink); transition: opacity 160ms ease; }
.proof-case.is-changing { opacity: 0.3; }
.proof-case__identity { display: flex; min-height: 390px; flex-direction: column; align-items: flex-start; justify-content: center; border-right: 2px solid var(--ink); padding: 34px; }
.proof-case__identity > img { width: 72px; height: 72px; border: 2px solid var(--ink); border-radius: 50%; object-fit: cover; }
.proof-case__identity div { margin-top: 22px; }
.proof-case__identity span,
.proof-case__connect > span,
.proof-case__atdrop > span { color: var(--violet); font-size: 8px; font-weight: 900; letter-spacing: 0.16em; }
.proof-case__identity h3 { margin: 8px 0 0; font-size: 25px; font-weight: 900; letter-spacing: -0.04em; }
.proof-case__identity p { margin: 13px 0 0; color: var(--muted); font-size: 10px; font-weight: 700; line-height: 1.75; }
.proof-case__identity a { margin-top: 26px; border-bottom: 1px solid var(--ink); color: var(--ink); font-size: 9px; font-weight: 900; padding-bottom: 5px; text-decoration: none; }
.proof-case__connect,
.proof-case__atdrop { display: flex; min-width: 0; flex-direction: column; gap: 14px; justify-content: center; padding: 25px; }
.proof-case__connect { border-right: 2px solid var(--ink); background: #f3f5ff; }
.proof-case__atdrop { background: #fff3f8; }
.proof-case__connect img { width: 100%; aspect-ratio: 3 / 1; border: 1px solid var(--line); object-fit: cover; }
.proof-case__atdrop img { width: 100%; aspect-ratio: 3 / 2; border: 1px solid var(--line); object-fit: cover; }

.future-community { padding-block: clamp(100px, 10vw, 150px); border-top: 2px solid var(--ink); background: #f3f2ff; }
.future-grid { display: grid; grid-template-columns: 0.88fr 0.64fr; gap: 65px 80px; }
.future-copy h2 { font-size: clamp(47px, 5.2vw, 75px); }
.future-copy > p:not(.eyebrow) { margin: 27px 0 0; color: var(--muted); font-size: 13px; font-weight: 700; line-height: 2; }
.future-copy small { display: block; margin-top: 21px; color: #8c8c99; font-size: 9px; font-weight: 700; line-height: 1.7; }
.future-list { display: grid; align-content: end; border-top: 2px solid var(--ink); }
.future-list span { border-bottom: 2px solid var(--ink); color: var(--ink); font-size: 10px; font-weight: 900; letter-spacing: 0.12em; padding: 21px 7px; }
.discord-card { grid-column: 1 / -1; display: grid; grid-template-columns: 90px 1fr auto; gap: 36px; align-items: center; border: 2px solid var(--ink); background: var(--ink); box-shadow: 10px 10px 0 var(--pink); color: #fff; padding: 38px 42px; }
.discord-mark { display: grid; width: 76px; height: 76px; place-items: center; border: 2px solid #fff; color: #9f94ff; font-size: 40px; font-weight: 900; }
.discord-card div:nth-child(2) > span { color: #9f94ff; font-size: 8px; font-weight: 900; letter-spacing: 0.16em; }
.discord-card h3 { margin: 11px 0 0; font-size: 27px; font-weight: 900; letter-spacing: -0.04em; line-height: 1.25; }
.discord-card p { margin: 11px 0 0; color: #c7c7d1; font-size: 10px; font-weight: 700; line-height: 1.7; }
.discord-card > a { display: inline-flex; min-height: 52px; align-items: center; gap: 12px; border: 1px solid #fff; border-radius: 999px; color: #fff; font-size: 10px; font-weight: 900; padding-inline: 20px; text-decoration: none; white-space: nowrap; }
.discord-card > a span { color: #ff83b9; }

.final-cta { background: #fff; }
.final-rail { display: flex; min-height: 42px; align-items: center; justify-content: space-around; gap: 50px; overflow: hidden; border-block: 2px solid var(--ink); background: var(--pink); color: #fff; font-size: 8px; font-weight: 900; letter-spacing: 0.18em; white-space: nowrap; }
.final-cta__inner { display: flex; min-height: 680px; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding-block: 100px; }
.final-cta__inner > img { width: 150px; height: auto; margin-bottom: 40px; }
.final-cta h2 { font-size: clamp(55px, 6vw, 88px); }
.final-cta__inner > p { margin: 28px 0 36px; color: var(--muted); font-size: 13px; font-weight: 700; }
.primary-cta--dark { min-width: 330px; }
.demo-toast { position: fixed; right: 22px; bottom: 22px; z-index: 20; border: 2px solid var(--ink); background: #fff; box-shadow: 5px 5px 0 var(--ink); font-size: 10px; font-weight: 900; opacity: 0; padding: 13px 17px; pointer-events: none; transform: translateY(12px); transition: opacity 160ms ease, transform 160ms ease; }
.demo-toast.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1120px) {
  :root { --shell: min(940px, calc(100vw - 48px)); }
  .hero-layout { grid-template-columns: 1fr; padding-top: 105px; }
  .hero-art { min-height: clamp(415px, 54vw, 605px); margin: 0; }
  .hero-art > img { inset-right: 0; }
  .role-grid { grid-template-columns: 1fr; }
  .role { grid-template-columns: 0.85fr 1.15fr; grid-template-rows: 74px 1fr; border-right: 0; border-bottom: 2px solid var(--ink); }
  .role:last-child { border-bottom: 0; }
  .role__top { grid-column: 1 / -1; }
  .role__image { aspect-ratio: auto; border-right: 2px solid var(--ink); border-bottom: 0; }
  .core-flow { grid-template-columns: 1fr; gap: 0; }
  .flow-bridge { margin-block: -15px; }
  .flow-bridge > span { background: #fff4f8; }
  .atdrop-detail__layout { grid-template-columns: 1fr; }
  .tools-layout { grid-template-columns: 1fr; }
  .tools-visual { min-height: 500px; border-right: 0; border-bottom: 2px solid var(--ink); }
  .proof-case { grid-template-columns: 0.68fr 1fr; }
  .proof-case__identity { grid-row: 1 / 3; }
  .proof-case__connect { border-right: 0; border-bottom: 2px solid var(--ink); }
}

@media (min-width: 960px) and (max-width: 1239px) {
  .hero-layout {
    grid-template-columns: minmax(380px, 0.84fr) minmax(0, 1.16fr);
    align-items: center;
    gap: clamp(20px, 3vw, 40px);
    padding-block: 82px 44px;
  }
  .artria-wordmark { margin-bottom: clamp(45px, 5vh, 60px); }
  .hero-copy h1 { font-size: clamp(48px, 5vw, 62px); }
  .hero-art {
    align-self: stretch;
    min-height: 620px;
    margin-right: calc((100vw - var(--shell)) / -2);
  }
  .hero-art > img { inset-right: 0; }
}

@media (max-width: 760px) {
  :root { --shell: calc(100vw - 32px); }
  .artria-hero::before { width: 7px; }
  .hero-rail { min-height: 30px; padding-inline: 16px; }
  .hero-rail span:last-child { display: none; }
  .hero-layout { gap: 42px; padding-block: 68px 42px; }
  .artria-wordmark { width: 112px; margin-bottom: 55px; }
  .hero-copy h1 { font-size: clamp(43px, 12.3vw, 54px); line-height: 1.05; }
  .hero-lead { margin-top: 24px; font-size: 12px; line-height: 1.9; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; margin-top: 29px; }
  .primary-cta { width: 100%; min-height: 58px; font-size: 12px; }
  .hero-note { margin-left: 5px; }
  .hero-art { min-height: 415px; }
  .hero-art::before { inset: 8% 2% 1% 4%; box-shadow: 8px 8px 0 var(--ink); }
  .hero-art > img { inset: 2% 0 7% 0; width: 100%; height: 91%; object-position: 61% center; }
  .hero-stamp { min-width: 102px; font-size: 6px; padding: 7px 9px; }
  .hero-stamp b { font-size: 10px; }
  .hero-stamp--one { top: 5%; left: -2%; }
  .hero-stamp--two { right: -1%; bottom: 16%; }
  .hero-stamp--three { right: 34%; bottom: 0; }

  .services-overview,
  .core-set,
  .atdrop-detail,
  .tools-section,
  .creator-proof,
  .future-community { padding-block: 86px; }
  .section-intro,
  .section-intro--wide,
  .core-heading,
  .future-grid { grid-template-columns: 1fr; gap: 29px; }
  .section-intro h2,
  .core-heading h2,
  .atdrop-detail h2,
  .tools-copy h2,
  .future-copy h2,
  .final-cta h2 { font-size: clamp(40px, 11.6vw, 52px); }
  .section-intro > p,
  .section-intro > div + p { font-size: 12px; line-height: 1.9; }
  .role-grid { margin-top: 52px; box-shadow: 7px 7px 0 var(--ink); }
  .role { grid-template-columns: 1fr; grid-template-rows: 67px auto auto; }
  .role__top { grid-column: 1; }
  .role__image { aspect-ratio: 1.45 / 1; border-right: 0; border-bottom: 2px solid var(--ink); }
  .role__copy { min-height: 205px; padding: 24px 21px; }
  .role__copy h3 { font-size: 21px; }

  .core-heading__note { padding-left: 18px; }
  .core-flow { margin-top: 52px; }
  .product-view { box-shadow: 7px 7px 0 var(--ink); }
  .connect-screen,
  .atdrop-screen { min-height: auto; padding: 13px; }
  .product-view__copy { min-height: 130px; padding: 20px 18px; }
  .product-view__copy h3 { font-size: 18px; }
  .flow-bridge { margin-block: -12px; }
  .flow-bridge > span { width: 47px; height: 47px; font-size: 23px; }

  .atdrop-detail__copy > img { width: 94px; margin-bottom: 31px; }
  .atdrop-detail__copy > p:not(.eyebrow) { font-size: 12px; line-height: 1.9; }
  .atdrop-demo { box-shadow: 7px 7px 0 var(--ink); }
  .atdrop-demo__tabs button { min-height: 57px; font-size: 9px; }
  .atdrop-demo__panel { grid-template-columns: 1fr; min-height: auto; }
  .atdrop-demo__panel > img { min-height: 0; aspect-ratio: 3 / 2; border-right: 0; border-bottom: 2px solid var(--ink); }
  .atdrop-demo__caption { min-height: 235px; padding: 27px 23px; }
  .atdrop-demo__caption h3 { font-size: 25px; }

  .tools-layout { box-shadow: 7px 7px 0 var(--ink); }
  .tools-visual { min-height: 330px; }
  .tools-copy { padding: 42px 24px; }
  .tools-copy > img { width: 165px; margin-bottom: 32px; }
  .tools-copy > p:not(.eyebrow) { font-size: 11px; }
  .tools-steps { grid-template-columns: repeat(2, 1fr); margin-top: 47px; }
  .tools-steps li { min-height: 130px; border-bottom: 2px solid var(--ink); }
  .tools-steps li:nth-child(2) { border-right: 0; }
  .tools-steps li:nth-child(n+3) { border-bottom: 0; }
  .tools-steps strong { font-size: 19px; }

  .proof-tabs { margin-top: 48px; }
  .proof-tabs button { min-height: 63px; font-size: 10px; }
  .proof-case { grid-template-columns: 1fr; box-shadow: 7px 7px 0 var(--ink); }
  .proof-case__identity { min-height: 275px; grid-row: auto; border-right: 0; border-bottom: 2px solid var(--ink); padding: 25px; }
  .proof-case__connect { border-bottom: 2px solid var(--ink); }
  .proof-case__connect,
  .proof-case__atdrop { padding: 19px; }

  .future-copy > p:not(.eyebrow) { font-size: 12px; line-height: 1.9; }
  .future-list { margin-top: 13px; }
  .discord-card { grid-column: 1; grid-template-columns: 1fr; gap: 22px; box-shadow: 7px 7px 0 var(--pink); padding: 28px 24px; }
  .discord-mark { width: 58px; height: 58px; font-size: 31px; }
  .discord-card h3 { font-size: 23px; }
  .discord-card > a { width: 100%; justify-content: center; }

  .final-cta__inner { min-height: 600px; padding-block: 82px; }
  .final-cta__inner > img { width: 118px; margin-bottom: 31px; }
  .final-cta__inner > p { font-size: 11px; line-height: 1.8; }
  .primary-cta--dark { min-width: 0; }
  .demo-toast { right: 13px; bottom: 13px; left: 13px; text-align: center; }
}

/*
 * Current ArtrIa visual theme.
 *
 * This layer intentionally changes only color, border, radius and shadow
 * treatment. Content, DOM order, sizing and responsive placement remain owned
 * by the rules above so design review can compare the same composition.
 */
:root {
  --ink: #0f172a;
  --muted: #526071;
  --paper: #f5f9ff;
  --violet: #7c3aed;
  --blue: #0ea5e9;
  --cyan: #22c7c9;
  --pink: #ec4899;
  --pink-soft: #fff3f8;
  --line: #dbe5f1;
  --artria-soft-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  --artria-deep-shadow: 0 24px 70px rgba(15, 23, 42, 0.10);
}

body { background: var(--paper); }
.artria-hero,
.atdrop-detail,
.creator-proof,
.final-cta { background: #fff; }
.services-overview { background: #f5f9ff; }
.core-set { background: #f8f6ff; }
.tools-section { background: #eaf3ff; }
.future-community { background: #eef4ff; }

.artria-hero,
.core-set,
.tools-section,
.future-community,
.final-rail { border-color: #dbe5f1; }

.artria-hero::before {
  background: linear-gradient(#7c3aed 0 33%, #0ea5e9 33% 66%, #22c7c9 66%);
}

.hero-copy h1 span,
.section-intro h2 span,
.future-copy h2 span,
.final-cta h2 span {
  background: linear-gradient(90deg, #7c3aed, #0ea5e9 58%, #22c7c9);
  background-clip: text;
  color: transparent;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.core-heading h2 span {
  background: linear-gradient(90deg, #0ea5e9, #7c3aed 52%, #ec4899);
  background-clip: text;
  color: transparent;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.atdrop-detail h2 span {
  background: none;
  color: var(--pink);
  -webkit-text-fill-color: var(--pink);
}
.tools-copy h2 span {
  background: linear-gradient(90deg, #0ea5e9, #22c7c9);
  background-clip: text;
  color: transparent;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.primary-cta {
  border-color: transparent;
  background: linear-gradient(90deg, #7c3aed, #0ea5e9 55%, #22c7c9);
  box-shadow: 0 14px 32px rgba(14, 165, 233, 0.24);
}
.primary-cta:hover {
  box-shadow: 0 18px 42px rgba(14, 165, 233, 0.30);
  transform: translateY(-2px);
}
.primary-cta span { color: #fff; }

.text-link,
.atdrop-detail__copy > a,
.tools-copy > a,
.proof-case__identity a,
.role__copy a { border-color: #94a3b8; }

.hero-art::before {
  border-color: #dbe5f1;
  background: #edf4ff;
  box-shadow: var(--artria-deep-shadow);
}
.hero-stamp {
  border-color: #dbe5f1;
  border-radius: 12px;
  box-shadow: var(--artria-soft-shadow);
}

.role-grid,
.product-view,
.atdrop-demo,
.tools-layout,
.proof-case,
.discord-card {
  border-color: #dbe5f1;
  box-shadow: var(--artria-deep-shadow);
}
.role-grid,
.product-view,
.atdrop-demo,
.tools-layout,
.proof-case { border-radius: 28px; }
.role-grid,
.product-view,
.atdrop-demo,
.tools-layout,
.proof-case,
.discord-card { overflow: hidden; }

.role,
.role__top,
.role__image,
.product-view__label,
.product-view__copy,
.atdrop-demo__tabs,
.atdrop-demo__panel > img,
.tools-visual,
.tools-steps,
.tools-steps li,
.proof-tabs,
.proof-case__identity,
.proof-case__connect,
.final-rail { border-color: #dbe5f1; }
.role { border-color: #dbe5f1; }
.role__top,
.product-view__label { background: #fff; }
.role__copy { background: #fff; }
.role--tools .role__copy { border-top-color: #22c7c9; }
.role--connect .role__copy { border-top-color: #38bdf8; }
.role--atdrop .role__copy { border-top-color: #ec4899; }

.product-view--connect .connect-screen { background: #f3f7ff; }
.product-view--atdrop .atdrop-screen { background: #fff6fa; }
.connect-screen__header,
.connect-screen__links span,
.atdrop-screen__gacha,
.proof-case__connect img,
.proof-case__atdrop img { border-color: #dbe5f1; }
.flow-bridge > span {
  border-color: #dbe5f1;
  background: #fff;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.10);
  color: #7c3aed;
}

.atdrop-demo__tabs button { border-color: #e8dce4; }
.atdrop-demo__panel > img { border-color: #e8dce4; }
.atdrop-demo__tabs button::after { background: linear-gradient(90deg, #f472b6, #ec4899); }

.tools-visual > span,
.hero-stamp,
.demo-toast {
  border-color: #dbe5f1;
  box-shadow: var(--artria-soft-shadow);
}
.tools-steps { border-color: #cbd8e8; }
.tools-steps li { border-color: #cbd8e8; }

.proof-tabs { border-color: #cbd8e8; }
.proof-tabs button::after { background: linear-gradient(90deg, #7c3aed, #0ea5e9, #22c7c9); }
.proof-case__connect { background: #f1f6ff; }
.proof-case__atdrop { background: #fff4f9; }

.future-list { border-color: #cbd8e8; }
.future-list span { border-color: #cbd8e8; }
.discord-card {
  border-color: rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  background: #0b2940;
  box-shadow: 0 20px 54px rgba(14, 165, 233, 0.18);
}
.discord-card > a { border-color: rgba(255, 255, 255, 0.58); }

.final-rail {
  background: linear-gradient(90deg, #7c3aed, #0ea5e9 52%, #22c7c9);
}
.primary-cta--dark {
  background: linear-gradient(90deg, #7c3aed, #0ea5e9 55%, #22c7c9);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}