/* =========================================================
   SUKIX, Inc. — Editorial Cinematic Redesign
   Inspired by toyota-film-commission.jp
   ========================================================= */

:root {
  --color-bg: #f5f2ec;
  --color-bg-alt: #ece8df;
  --color-paper: #ffffff;
  --color-ink: #14140f;
  --color-ink-soft: #4a4a44;
  --color-muted: #7a7a72;
  --color-line: #d8d4ca;
  --color-line-soft: rgba(20, 20, 15, 0.08);
  --color-accent: #c8112a;
  --color-accent-2: #1c4f3f;

  --font-mincho: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-sans: "Noto Sans JP", "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-en-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;

  --container: 1240px;
  --header-h: 80px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  line-height: 1.85;
  font-weight: 400;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .3s var(--ease); }
ul, ol { list-style: none; }
button { background: none; border: none; cursor: pointer; font: inherit; color: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* =========================================================
   Common — section heads, eyebrow, title
   ========================================================= */
.section-eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.section-eyebrow i {
  display: inline-block;
  width: 32px; height: 1px;
  background: var(--color-accent);
}

.section-title {
  font-family: var(--font-mincho);
  font-size: clamp(28px, 4.2vw, 52px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}

.section-head { margin-bottom: 80px; }
.section-head--center { text-align: center; }
.section-head--center .section-eyebrow { justify-content: center; }

/* =========================================================
   Header
   ========================================================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(245, 242, 236, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line-soft);
  transition: transform .4s var(--ease), background .3s ease;
}
.header__inner {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 0 40px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.logo__mark {
  width: 38px; height: 38px;
  border: 1.5px solid var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en-serif);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.05em;
  background: var(--color-ink);
  color: var(--color-bg);
}
.logo__text {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.12em;
  color: var(--color-ink);
}
.logo__text em {
  font-style: italic;
  font-family: var(--font-en-serif);
  font-weight: 500;
  color: var(--color-accent);
  margin-left: 4px;
}

.nav { justify-self: center; }
.nav ul { display: flex; gap: 36px; }
.nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 0;
  position: relative;
}
.nav a span {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-ink);
}
.nav a em {
  font-family: var(--font-en);
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -4px;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width .3s var(--ease), left .3s var(--ease);
}
.nav a:hover { opacity: 1; }
.nav a:hover::after { width: 100%; left: 0; }

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid var(--color-ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  background: var(--color-ink);
  color: var(--color-bg);
  transition: background .3s var(--ease), color .3s var(--ease);
}
.header__cta:hover {
  background: var(--color-accent);
  color: #fff;
  opacity: 1;
  border-color: var(--color-accent);
}

.arrow {
  display: inline-block;
  width: 18px; height: 8px;
  position: relative;
}
.arrow::before {
  content: "";
  position: absolute;
  top: 50%; left: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: translateY(-50%);
}
.arrow::after {
  content: "";
  position: absolute;
  top: 50%; right: 0;
  width: 8px; height: 8px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.hamburger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--color-ink);
  transition: transform .3s var(--ease), opacity .3s ease;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--header-h);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(200, 17, 42, 0.10) 0%, transparent 60%),
    radial-gradient(50% 60% at 0% 100%, rgba(28, 79, 63, 0.08) 0%, transparent 60%);
}
.hero__noise {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image:
    repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(20,20,15,0.012) 2px, rgba(20,20,15,0.012) 3px);
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  padding: 80px 40px 120px;
}
.hero__eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 56px;
}
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}

.hero__title {
  font-family: var(--font-mincho);
  font-size: clamp(64px, 13vw, 180px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  color: var(--color-ink);
}
.hero__line {
  display: block;
  overflow: hidden;
}
.hero__line.line-2 {
  margin-left: 0.6em;
  color: var(--color-accent);
}

.hero__lead {
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--color-ink-soft);
  max-width: 560px;
  line-height: 2.1;
  margin-bottom: 100px;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 800px;
  border-top: 1px solid var(--color-line);
  padding-top: 32px;
}
.hero__meta-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.hero__meta-item em {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 26px;
  font-weight: 500;
  color: var(--color-accent);
  line-height: 1;
}
.hero__meta-item span {
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-ink-soft);
  font-weight: 500;
}

.hero__scroll {
  position: absolute;
  right: 40px;
  bottom: 40px;
  z-index: 2;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--color-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}
.hero__scroll span {
  width: 1px; height: 60px;
  background: var(--color-line);
  position: relative;
  overflow: hidden;
}
.hero__scroll span::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 30%;
  background: var(--color-ink);
  animation: scrollLine 2.4s var(--ease) infinite;
}
@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(400%); }
}

/* =========================================================
   Intro
   ========================================================= */
.intro {
  padding: 160px 0;
  background: var(--color-paper);
  border-top: 1px solid var(--color-line-soft);
  border-bottom: 1px solid var(--color-line-soft);
}
.intro__inner {
  max-width: 920px;
  margin: 0 auto;
}
.intro__title {
  font-family: var(--font-mincho);
  font-size: clamp(28px, 4.4vw, 56px);
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 56px;
  letter-spacing: 0.02em;
}
.intro__body {
  display: flex;
  flex-direction: column;
  gap: 28px;
  font-size: 16px;
  line-height: 2.2;
  color: var(--color-ink-soft);
  max-width: 720px;
}

/* =========================================================
   Services
   ========================================================= */
.services { padding: 160px 0; }
.service-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.service-item {
  display: grid;
  grid-template-columns: 80px 1fr 1.2fr;
  gap: 40px;
  padding: 64px 0;
  border-top: 1px solid var(--color-line);
  align-items: center;
  transition: background .4s var(--ease);
  position: relative;
}
.service-item:last-child { border-bottom: 1px solid var(--color-line); }
.service-item:hover { background: rgba(255,255,255,0.5); padding-left: 16px; padding-right: 16px; }

.service-item__num em {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 60px;
  font-weight: 500;
  color: var(--color-accent);
  line-height: 1;
}
.service-item__visual {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 16px;
}

/* ----- Mock UI shared ----- */
.mock__frame {
  width: 100%;
  height: 100%;
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: var(--font-en);
  box-shadow: 0 6px 18px rgba(20,20,15,0.06);
  font-size: 8px;
}
.mock__bar {
  height: 18px;
  background: #f3f0ea;
  border-bottom: 1px solid rgba(20,20,15,0.06);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
  flex-shrink: 0;
}
.mock__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(20,20,15,0.18);
}
.mock__dot:nth-child(1) { background: #ed6a5e; }
.mock__dot:nth-child(2) { background: #f4be4f; }
.mock__dot:nth-child(3) { background: #61c554; }
.mock__url {
  margin-left: 12px;
  font-size: 8px;
  letter-spacing: 0.05em;
  color: rgba(20,20,15,0.45);
  font-weight: 500;
}
.mock__body {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}
.mock-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.18em;
  padding: 8px 14px;
  color: #fff;
  border: 0;
  cursor: default;
  width: 100%;
}

/* ----- 01 SUKITOPIA ----- */
.mock--sukitopia__body {
  padding: 8px;
  gap: 8px;
  background: linear-gradient(180deg, #fff 0%, #fffbe9 100%);
}
.mock-stage {
  flex: 1.4;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  background: #fff5cc;
  border: 1px solid rgba(20,20,15,0.06);
}
.mock-stage__sky {
  position: absolute;
  inset: 0 0 40% 0;
  background: linear-gradient(180deg, #ffe89a 0%, #ffd4a4 100%);
}
.mock-stage__sun {
  position: absolute;
  top: 12%; right: 14%;
  width: 18px; height: 18px;
  background: #ffeb6e;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(255,235,110,0.8);
}
.mock-stage__ground {
  position: absolute;
  inset: 60% 0 0 0;
  background: linear-gradient(180deg, #e6c84a 0%, #c4a829 100%);
}
.mock-stage__house {
  position: absolute;
  bottom: 16%;
  width: 18%; aspect-ratio: 1;
  background: #fff;
  border: 1px solid rgba(20,20,15,0.18);
}
.mock-stage__house::before {
  content: "";
  position: absolute;
  bottom: 100%; left: -1px; right: -1px;
  height: 60%;
  background: #e85d8a;
  clip-path: polygon(0 100%, 50% 0, 100% 100%);
}
.mock-stage__house--1 { left: 8%; }
.mock-stage__house--2 { left: 38%; bottom: 18%; }
.mock-stage__house--2::before { background: #7d6cff; }
.mock-stage__house--3 { right: 12%; bottom: 14%; }
.mock-stage__house--3::before { background: #3ec7c0; }
.mock-stage__avatar {
  position: absolute;
  bottom: 22%; left: 30%;
  width: 8px; height: 14px;
  background: #14140f;
  border-radius: 4px 4px 0 0;
}
.mock-stage__avatar::before {
  content: "";
  position: absolute;
  bottom: 100%; left: 50%;
  transform: translateX(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #14140f;
}
.mock-stage__tag {
  position: absolute;
  top: 8px; left: 8px;
  background: rgba(20,20,15,0.85);
  color: #fff;
  font-size: 7px;
  letter-spacing: 0.15em;
  padding: 2px 6px;
  font-weight: 700;
}
.mock-shop {
  flex: 1;
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  border-radius: 4px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mock-shop__head {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid rgba(20,20,15,0.06);
  padding-bottom: 4px;
}
.mock-shop__title {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #14140f;
}
.mock-shop__pill {
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 6px;
  background: #c8112a;
  color: #fff;
}
.mock-shop__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  flex: 1;
}
.mock-product {
  display: flex; flex-direction: column; gap: 2px;
}
.mock-product__img {
  flex: 1;
  background: #fff5cc;
  border: 1px solid rgba(20,20,15,0.08);
  border-radius: 2px;
  position: relative;
}
.mock-product__img::after {
  content: "";
  position: absolute;
  top: 30%; left: 30%; right: 30%; bottom: 30%;
  background: #e6c84a;
  border-radius: 50%;
}
.mock-product__img--2::after { background: #e85d8a; border-radius: 0; }
.mock-product__img--3::after { background: #7d6cff; border-radius: 0; clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.mock-product b {
  font-size: 7px;
  font-weight: 700;
  color: #14140f;
}
.mock-btn--sukitopia { background: #14140f; }

/* ----- 02 IP2X ----- */
.mock--ip2x__body {
  background: #f7f9f8;
}
.mock-side {
  width: 26%;
  background: #14140f;
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 10px 8px;
  gap: 4px;
}
.mock-side__logo {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 12px;
  font-weight: 600;
  color: #3ec7c0;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.mock-side__item {
  font-size: 8px;
  letter-spacing: 0.05em;
  padding: 4px 6px;
  color: rgba(255,255,255,0.5);
  border-radius: 2px;
}
.mock-side__item.is-active {
  background: rgba(62,199,192,0.15);
  color: #3ec7c0;
}
.mock-main {
  flex: 1;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mock-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
}
.mock-kpi {
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mock-kpi em {
  font-size: 7px;
  font-style: normal;
  letter-spacing: 0.1em;
  color: rgba(20,20,15,0.5);
  text-transform: uppercase;
}
.mock-kpi b {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  color: #14140f;
}
.mock-chart {
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  padding: 6px 8px;
  height: 50px;
}
.mock-chart svg {
  width: 100%; height: 100%;
}
.mock-row {
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  padding: 6px 8px;
  display: flex; align-items: center; justify-content: space-between;
}
.mock-row__name { font-size: 8px; font-weight: 600; color: #14140f; }
.mock-row__status {
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 6px;
}
.mock-row__status--ok { background: rgba(62,199,192,0.18); color: #1c4f3f; }
.mock-row__status--wait { background: rgba(232,184,77,0.25); color: #8c6a14; }

/* ----- 03 IP STUDIO ----- */
.mock--ip__body {
  flex-direction: column;
  background: #f4f1ff;
}
.mock-hero {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: linear-gradient(135deg, #ddd5ff 0%, #f4f1ff 100%);
  border-bottom: 1px solid rgba(20,20,15,0.06);
}
.mock-hero__char {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #14140f;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}
.mock-hero__face {
  position: relative;
  width: 60%; height: 60%;
}
.mock-hero__eye {
  position: absolute;
  top: 30%; left: 25%;
  width: 6px; height: 6px;
  background: #14140f;
  border-radius: 50%;
}
.mock-hero__eye--r { left: auto; right: 25%; }
.mock-hero__mouth {
  position: absolute;
  bottom: 18%; left: 50%;
  transform: translateX(-50%);
  width: 14px; height: 6px;
  border: 1.5px solid #14140f;
  border-top: 0;
  border-radius: 0 0 14px 14px;
}
.mock-hero__copy {
  display: flex; flex-direction: column; gap: 4px;
  flex: 1;
}
.mock-hero__sub {
  font-size: 7px;
  letter-spacing: 0.25em;
  font-weight: 700;
  color: #7d6cff;
  text-transform: uppercase;
}
.mock-hero__title {
  font-family: var(--font-mincho);
  font-size: 18px;
  font-weight: 700;
  color: #14140f;
  letter-spacing: 0.04em;
}
.mock-hero__line {
  height: 2px; width: 80%;
  background: rgba(20,20,15,0.15);
  border-radius: 2px;
}
.mock-hero__line--short { width: 50%; }
.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 4px;
  padding: 8px;
}
.mock-tile {
  aspect-ratio: 1/1.2;
  background: #7d6cff;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
.mock-tile--alt { background: #2e2547; }
.mock-tile::before {
  content: "";
  position: absolute;
  inset: 30% 30%;
  border: 1.5px solid rgba(255,255,255,0.5);
  border-radius: 50%;
}
.mock-tile__tag {
  position: absolute;
  bottom: 4px; left: 4px;
  font-size: 7px;
  letter-spacing: 0.15em;
  font-weight: 700;
  color: #fff;
}

/* ----- 04 SUKIX ----- */
.mock--sukix__body {
  flex-direction: column;
  padding: 12px;
  gap: 8px;
  background: linear-gradient(180deg, #fff 0%, #ffeaf1 100%);
}
.mock-profile {
  display: flex; align-items: center; gap: 8px;
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  padding: 8px;
  border-radius: 3px;
}
.mock-profile__avatar {
  width: 28px; height: 28px;
  background: #e85d8a;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 14px;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}
.mock-profile__meta {
  flex: 1;
  display: flex; flex-direction: column; gap: 2px;
}
.mock-profile__name {
  font-size: 9px; font-weight: 700; color: #14140f;
  letter-spacing: 0.04em;
}
.mock-profile__sub {
  font-size: 7px; color: rgba(20,20,15,0.55);
  letter-spacing: 0.05em;
}
.mock-profile__rank {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 14px;
  color: #e85d8a;
  font-weight: 700;
}
.mock-progress {
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-radius: 3px;
}
.mock-progress__head {
  display: flex; justify-content: space-between; align-items: center;
}
.mock-progress__head span {
  font-size: 7px; letter-spacing: 0.2em; font-weight: 700;
  color: rgba(20,20,15,0.6);
  text-transform: uppercase;
}
.mock-progress__head b {
  font-size: 11px; font-weight: 700; color: #e85d8a;
}
.mock-progress__bar {
  height: 4px;
  background: rgba(232,93,138,0.12);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.mock-progress__bar i {
  position: absolute;
  inset: 0;
  width: 78%;
  background: linear-gradient(90deg, #e85d8a 0%, #ff8aa0 100%);
  border-radius: 4px;
}
.mock-tier {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 4px;
}
.mock-tier__cell {
  text-align: center;
  font-size: 7px; font-weight: 700; letter-spacing: 0.15em;
  padding: 6px 0;
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  color: rgba(20,20,15,0.4);
}
.mock-tier__cell.is-on {
  background: rgba(232,93,138,0.12);
  color: #e85d8a;
  border-color: rgba(232,93,138,0.3);
}
.mock-tier__cell.is-now {
  background: #e85d8a;
  color: #fff;
  border-color: #e85d8a;
}
.mock-btn--sukix { background: #14140f; }
.mock-meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}
.mock-meta span {
  background: #fff;
  border: 1px solid rgba(20,20,15,0.08);
  padding: 6px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mock-meta em {
  font-style: normal;
  font-size: 7px;
  letter-spacing: 0.1em;
  color: rgba(20,20,15,0.5);
}
.mock-meta b {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  color: #14140f;
}

/* Hover lift */
.service-item .mock__frame {
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.service-item:hover .mock__frame {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(20,20,15,0.12);
}

.service-item__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.service-item__tag {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 500;
}
.service-item__name {
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.2;
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  letter-spacing: 0.02em;
}
.service-item__name .ja { color: var(--color-ink); }
.service-item__name .en {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 0.45em;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}
.service-item__desc {
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-ink-soft);
  max-width: 520px;
}

.service-item--reverse {
  grid-template-columns: 80px 1.2fr 1fr;
}
.service-item--reverse .service-item__visual { order: 3; }
.service-item--reverse .service-item__body { order: 2; }

/* =========================================================
   Ecosystem
   ========================================================= */
.ecosystem {
  padding: 160px 0;
  background: var(--color-paper);
}
.ecosystem__diagram {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ecosystem__diagram::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px dashed var(--color-line);
  border-radius: 50%;
}
.ecosystem__center {
  width: 220px; height: 220px;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  z-index: 2;
}
.ecosystem__center-en {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 36px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.04em;
}
.ecosystem__center-ja {
  font-family: var(--font-mincho);
  font-size: 13px;
  letter-spacing: 0.15em;
}
.ecosystem__nodes {
  position: absolute;
  inset: 0;
}
.ecosystem__node {
  position: absolute;
  text-align: center;
  width: 200px;
  background: var(--color-paper);
  padding: 18px 20px;
  border: 1px solid var(--color-line);
}
.ecosystem__node em {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--color-accent);
  display: block;
  margin-bottom: 4px;
}
.ecosystem__node .ja {
  display: block;
  font-family: var(--font-mincho);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}
.ecosystem__node .en {
  display: block;
  font-size: 11px;
  color: var(--color-muted);
  line-height: 1.6;
}
.ecosystem__node--n { top: 0; left: 50%; transform: translateX(-50%); }
.ecosystem__node--e { top: 50%; right: 0; transform: translateY(-50%); }
.ecosystem__node--s { bottom: 0; left: 50%; transform: translateX(-50%); }
.ecosystem__node--w { top: 50%; left: 0; transform: translateY(-50%); }

/* =========================================================
   Vision
   ========================================================= */
.vision { padding: 160px 0; }
.vision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.vision-card {
  background: var(--color-bg);
  padding: 64px 56px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  transition: background .3s var(--ease);
}
.vision-card:hover { background: var(--color-paper); }
.vision-card__label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.vision-card__label em {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--color-accent);
}
.vision-card__title {
  font-family: var(--font-mincho);
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.vision-card__body {
  font-size: 14.5px;
  line-height: 2.1;
  color: var(--color-ink-soft);
}

/* =========================================================
   Message
   ========================================================= */
.message {
  padding: 160px 0;
  background: var(--color-bg-alt);
}
.message__layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  max-width: 1080px;
  margin: 0 auto;
}
.message__aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 120px;
  align-self: start;
}
.message__portrait {
  width: 100%;
  aspect-ratio: 1/1.2;
  background: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.message__portrait::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(245, 242, 236, 0.2);
}
.message__portrait-mark {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 120px;
  color: var(--color-accent);
  line-height: 1;
}
.message__role {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 8px;
}
.message__name {
  font-family: var(--font-mincho);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.message__name em {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 14px;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

.message__body {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.message__lead {
  font-family: var(--font-mincho);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  margin-bottom: 16px;
}
.message__body p {
  font-size: 15px;
  line-height: 2.2;
  color: var(--color-ink-soft);
}

/* =========================================================
   Partners
   ========================================================= */
.partners {
  padding: 160px 0;
  background: var(--color-paper);
}
.partner-list {
  display: flex;
  flex-direction: column;
}
.partner-row {
  display: grid;
  grid-template-columns: 80px 1fr 1.4fr 140px;
  gap: 40px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--color-line);
  transition: padding .4s var(--ease), background .4s var(--ease);
}
.partner-row:last-child { border-bottom: 1px solid var(--color-line); }
.partner-row:hover {
  padding-left: 16px;
  padding-right: 16px;
  background: var(--color-bg);
  opacity: 1;
}
.partner-row__num {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 48px;
  color: var(--color-accent);
  font-weight: 500;
}
.partner-row__head h3 {
  font-family: var(--font-mincho);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.partner-row__head em {
  font-family: var(--font-en);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.partner-row__body {
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-ink-soft);
}
.partner-row__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-ink);
  justify-self: end;
  transition: gap .3s var(--ease);
}
.partner-row:hover .partner-row__cta { gap: 18px; color: var(--color-accent); }

/* =========================================================
   Company
   ========================================================= */
.company { padding: 160px 0; }
.company-info {
  max-width: 920px;
  margin: 0 auto;
}
.company-info__row {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  padding: 32px 0;
  border-top: 1px solid var(--color-line);
  align-items: baseline;
}
.company-info__row:last-child { border-bottom: 1px solid var(--color-line); }
.company-info dt {
  font-family: var(--font-mincho);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.company-info dt .num {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--color-accent);
}
.company-info dt em {
  font-family: var(--font-en);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-left: auto;
}
.company-info dd {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-ink);
}

/* =========================================================
   Contact
   ========================================================= */
.contact {
  padding: 160px 0;
  background: var(--color-ink);
  color: var(--color-bg);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 60% at 100% 0%, rgba(200, 17, 42, 0.18) 0%, transparent 60%),
    radial-gradient(40% 50% at 0% 100%, rgba(28, 79, 63, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.contact .container { position: relative; z-index: 1; }
.contact .section-eyebrow { color: #ff8aa0; }
.contact .section-eyebrow i { background: #ff8aa0; }
.contact .section-title { color: var(--color-bg); }
.contact__lead {
  margin-top: 24px;
  font-size: 15px;
  color: rgba(245, 242, 236, 0.75);
  line-height: 2;
}

.contact-form {
  max-width: 820px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 36px;
  background: transparent;
  border: 0;
  text-align: left;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-bottom: 1px solid rgba(245, 242, 236, 0.18);
  padding-bottom: 16px;
}
.form-field label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-bg);
  letter-spacing: 0.05em;
}
.form-field label em {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 16px;
  color: #ff8aa0;
  font-weight: 500;
}
.required {
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.2em;
  background: var(--color-accent);
  color: #fff;
  padding: 3px 9px;
  font-weight: 700;
  margin-left: auto;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 8px 0;
  font: inherit;
  font-size: 16px;
  color: var(--color-bg);
  background: transparent;
  border: 0;
  outline: none;
  font-family: inherit;
  border-radius: 0;
}
.form-field textarea { resize: vertical; min-height: 120px; line-height: 1.8; }
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(245, 242, 236, 0.4);
}
.form-field select {
  appearance: none;
  -webkit-appearance: none;
  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='%23f5f2ec' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 4px center;
  cursor: pointer;
  padding-right: 28px;
}
.form-field select option { color: var(--color-ink); background: var(--color-bg); }

.form-field--checkbox { border-bottom: 0; padding-bottom: 0; }
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  color: rgba(245, 242, 236, 0.85);
  cursor: pointer;
  line-height: 1.7;
  user-select: none;
}
.checkbox input { position: absolute; opacity: 0; pointer-events: none; }
.checkbox__mark {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border: 1px solid rgba(245, 242, 236, 0.5);
  position: relative;
  transition: border-color .2s ease, background .2s ease;
}
.checkbox__mark::after {
  content: "";
  position: absolute;
  top: 2px; left: 6px;
  width: 4px; height: 8px;
  border: solid var(--color-ink);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg) scale(0);
  transition: transform .15s ease;
}
.checkbox input:checked ~ .checkbox__mark {
  background: var(--color-bg);
  border-color: var(--color-bg);
}
.checkbox input:checked ~ .checkbox__mark::after { transform: rotate(45deg) scale(1); }
.checkbox__link {
  color: var(--color-bg);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-field input.is-invalid,
.form-field select.is-invalid,
.form-field textarea.is-invalid {
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 8px;
}

.form-submit {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 22px 48px;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  position: relative;
  transition: background .3s var(--ease), color .3s var(--ease), padding .3s var(--ease);
  border: 1px solid var(--color-bg);
  min-width: 280px;
  justify-content: center;
}
.btn-submit:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-submit__arrow {
  display: inline-block;
  width: 22px; height: 8px;
  position: relative;
}
.btn-submit__arrow::before {
  content: "";
  position: absolute;
  top: 50%; left: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: translateY(-50%);
  transition: width .3s var(--ease);
}
.btn-submit__arrow::after {
  content: "";
  position: absolute;
  top: 50%; right: 0;
  width: 8px; height: 8px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.btn-submit:hover .btn-submit__arrow { transform: translateX(4px); transition: transform .3s var(--ease); }
.btn-submit__loader {
  display: none;
  width: 14px; height: 14px;
  border: 2px solid rgba(20,20,15,0.2);
  border-top-color: var(--color-ink);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn-submit.is-loading { pointer-events: none; opacity: 0.85; }
.btn-submit.is-loading .btn-submit__arrow { display: none; }
.btn-submit.is-loading .btn-submit__loader { display: inline-block; }

.form-status {
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  padding: 16px;
  display: none;
  letter-spacing: 0.04em;
}
.form-status.is-success {
  display: block;
  border: 1px solid rgba(62, 199, 192, 0.5);
  background: rgba(62, 199, 192, 0.08);
  color: #9aebe5;
}
.form-status.is-error {
  display: block;
  border: 1px solid rgba(232, 93, 138, 0.5);
  background: rgba(232, 93, 138, 0.08);
  color: #ffb6c8;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  background: var(--color-bg-alt);
  padding: 100px 0 40px;
  border-top: 1px solid var(--color-line);
}
.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--color-line);
}
.footer__brand .logo { margin-bottom: 32px; }
.footer__tagline {
  font-family: var(--font-mincho);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-ink);
}
.footer__nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}
.footer__col h4 {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--color-muted);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a {
  font-size: 13px;
  color: var(--color-ink);
  font-weight: 500;
  letter-spacing: 0.04em;
  position: relative;
  display: inline-block;
}
.footer__col a:hover { color: var(--color-accent); opacity: 1; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-muted);
}

/* =========================================================
   Floating CTA
   ========================================================= */
.floating-cta {
  position: fixed;
  right: 32px;
  bottom: 32px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  box-shadow: 0 18px 40px rgba(200, 17, 42, 0.3);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.floating-cta:hover {
  transform: translateY(-3px);
  background: var(--color-ink);
  opacity: 1;
}

/* =========================================================
   Reveal animations
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1100px) {
  .nav { display: none; }
  .header__cta { display: none; }
  .hamburger { display: flex; }
  .header__inner { grid-template-columns: 1fr auto; }
  .ecosystem__node { width: 160px; padding: 14px; }
  .ecosystem__node .ja { font-size: 16px; }
}

@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .header__inner { padding: 0 24px; }
  .section-head { margin-bottom: 56px; }
  .intro, .services, .ecosystem, .vision, .message, .partners, .company, .contact { padding: 100px 0; }

  .hero__inner { padding: 60px 24px 100px; }
  .hero__meta { grid-template-columns: 1fr; gap: 20px; }
  .hero__scroll { display: none; }

  .service-item, .service-item--reverse {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 56px 0;
  }
  .service-item__num em { font-size: 40px; }
  .service-item__visual { aspect-ratio: 16/10; }
  .service-item--reverse .service-item__visual { order: 1; }
  .service-item--reverse .service-item__body { order: 2; }
  .service-item:hover { padding-left: 0; padding-right: 0; }

  .ecosystem__diagram { aspect-ratio: 1/1.05; }
  .ecosystem__center { width: 160px; height: 160px; }
  .ecosystem__center-en { font-size: 26px; }
  .ecosystem__node { width: 140px; }

  .vision-grid { grid-template-columns: 1fr; }
  .vision-card { padding: 48px 32px; }

  .message__layout { grid-template-columns: 1fr; gap: 48px; }
  .message__aside { position: static; flex-direction: row; align-items: center; gap: 24px; }
  .message__portrait { width: 120px; aspect-ratio: 1/1.2; }
  .message__portrait-mark { font-size: 60px; }

  .partner-row {
    grid-template-columns: 60px 1fr;
    gap: 16px 24px;
    grid-template-areas:
      "num head"
      ".   body"
      ".   cta";
    padding: 40px 0;
  }
  .partner-row__num { grid-area: num; font-size: 32px; }
  .partner-row__head { grid-area: head; }
  .partner-row__body { grid-area: body; }
  .partner-row__cta { grid-area: cta; justify-self: start; }
  .partner-row:hover { padding-left: 0; padding-right: 0; }

  .company-info__row { grid-template-columns: 1fr; gap: 12px; padding: 24px 0; }
  .company-info dt em { margin-left: 12px; }

  .form-row { grid-template-columns: 1fr; gap: 28px; }

  .footer__top { grid-template-columns: 1fr; gap: 56px; padding-bottom: 56px; }
  .footer__nav { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 12px; }

  .floating-cta { right: 16px; bottom: 16px; padding: 14px 20px; font-size: 11px; }
}

@media (max-width: 540px) {
  .hero__title { font-size: clamp(56px, 18vw, 88px); }
  .ecosystem__diagram { aspect-ratio: 1/1.4; }
  .ecosystem__node { width: 120px; padding: 12px; }
  .ecosystem__node .ja { font-size: 14px; }
  .ecosystem__node em { font-size: 12px; }
  .ecosystem__center { width: 130px; height: 130px; }
  .ecosystem__center-en { font-size: 22px; }
  .ecosystem__center-ja { font-size: 11px; }
}