:root {
  --bg: #ffffff;
  --surface: rgba(255, 255, 255, 0.96);
  --surface-strong: #ffffff;
  --surface-muted: #f7f7f7;
  --text: #1d1a16;
  --muted: #5f5a52;
  --line: rgba(29, 26, 22, 0.1);
  --accent: #c5172e;
  --accent-soft: rgba(197, 23, 46, 0.09);
  --shadow: 0 24px 60px rgba(34, 28, 18, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1180px;
  --display-font: "Ubuntu Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: var(--bg);
}

body::before {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  width: 26rem;
  height: 26rem;
  top: 7rem;
  right: 4%;
  background: var(--accent);
  opacity: 0.9;
  filter: blur(0);
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

h1,
h2,
h3,
strong {
  color: var(--text);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--display-font);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.section {
  padding: 3.75rem 0;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 auto;
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(29, 26, 22, 0.08);
  border-radius: 999px;
  box-shadow: 0 14px 40px rgba(36, 32, 26, 0.06);
  backdrop-filter: blur(18px);
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease;
}

.site-header.is-scrolled {
  transform: translateY(-0.1rem);
  box-shadow: 0 18px 40px rgba(36, 32, 26, 0.1);
  background: rgba(255, 255, 255, 0.98);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0.35rem rgba(197, 23, 46, 0.12);
  flex: 0 0 auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 0.97rem;
  font-weight: 800;
  font-family: var(--display-font);
}

.brand-text span {
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.2rem;
  padding: 0 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, #17130f 0%, #43362f 100%);
  color: #fff;
  font-family: var(--display-font);
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  box-shadow: 0 16px 34px rgba(27, 23, 20, 0.18);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-small {
  min-height: 2.85rem;
  padding: 0 1.15rem;
  font-size: 0.92rem;
}

.button-secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
  box-shadow: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.9fr);
  gap: 2rem;
  align-items: stretch;
  padding-top: 4.5rem;
}

.eyebrow-row,
.hero-actions,
.proof-grid,
.card-grid,
.about-layout,
.timeline,
.brand-wall,
.hero-grid,
.profile-links {
  display: grid;
  gap: 1rem;
}

.eyebrow-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.35rem;
}

.eyebrow,
.panel-label,
.profile-kicker,
.card-index {
  display: inline-flex;
  align-items: center;
  font-size: 2rem;
  font-family: var(--display-font);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--accent);
}

.japan-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(29, 26, 22, 0.08);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  font-family: var(--display-font);
}

.flag-japan {
  position: relative;
  width: 1.35rem;
  height: 1rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(29, 26, 22, 0.08);
  overflow: hidden;
}

.flag-japan::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
}

.hero-copy,
.hero-panel,
.info-card,
.proof-card,
.timeline-step,
.about-panel,
.profile-card,
.cta-panel,
.brand-strip,
.hero-card {
  position: relative;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(3.35rem, 7vw, 6.1rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-intro {
  max-width: 40rem;
  margin-top: 1.5rem;
  font-size: 1.12rem;
}

.hero-actions {
  grid-auto-flow: column;
  justify-content: start;
  margin-top: 2rem;
}

.hero-points {
  display: grid;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero-points li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--text);
  font-weight: 600;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
}

.hero-panel {
  display: grid;
  gap: 1rem;
}

.hero-card-primary,
.info-card,
.proof-card,
.timeline-step,
.about-panel,
.profile-card,
.cta-panel,
.brand-strip {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid rgba(29, 26, 22, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-card-primary {
  padding: 1.7rem;
}

.hero-card h2,
.section-heading h2,
.about-panel h2,
.cta-panel h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-card p,
.section-heading p {
  margin-top: 0.9rem;
}

.hero-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-stat {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(29, 26, 22, 0.08);
  border-radius: var(--radius-md);
}

.hero-stat strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.35rem;
  font-family: var(--display-font);
  font-weight: 800;
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 1.8rem;
}

.section-heading.compact {
  max-width: 56rem;
}

.services-grid,
.proof-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card h3,
.proof-card h3,
.timeline-step h3 {
  margin-top: 1rem;
  font-size: 1.25rem;
  line-height: 1.2;
}

.info-card p,
.proof-card p,
.timeline-step p {
  margin-top: 0.75rem;
}

.card-index {
  color: var(--accent);
}

.brand-strip {
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(197, 23, 46, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 245, 241, 0.98));
}

.brand-wall {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 1.5rem;
  gap: 1.1rem;
}

.brand-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  min-height: 8.75rem;
  margin: 0;
  padding: 1.2rem 1rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(29, 26, 22, 0.07);
  box-shadow: 0 18px 42px rgba(34, 28, 18, 0.06);
  color: #35302a;
  font-family: var(--display-font);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.brand-tile:hover,
.brand-tile:focus-within {
  transform: translateY(-4px);
  border-color: rgba(197, 23, 46, 0.18);
  box-shadow: 0 24px 48px rgba(34, 28, 18, 0.1);
}

.brand-tile img {
  width: 100%;
  max-width: 9rem;
  height: 3.4rem;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: grayscale(1) contrast(1.04);
  opacity: 0.9;
  transition: filter 180ms ease, opacity 180ms ease, transform 180ms ease;
}

.brand-tile-youpal img {
  max-width: 11rem;
  height: 4.4rem;
}

.brand-tile:hover img,
.brand-tile:focus-within img {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.03);
}

.brand-tile figcaption {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.emphasis-section {
  position: relative;
}

.emphasis-section::before {
  content: "";
  position: absolute;
  inset: 1rem 0 auto;
  height: calc(100% - 2rem);
  border-radius: 2rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(197, 23, 46, 0.04));
  z-index: -1;
}

.timeline {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline-step span {
  color: var(--accent);
  font-size: 0.82rem;
  font-family: var(--display-font);
  font-weight: 800;
  letter-spacing: 0.16em;
}

.about-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(290px, 0.8fr);
  align-items: start;
}

.profile-card ul {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.25rem;
}

.profile-card li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--text);
  font-weight: 600;
}

.profile-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #2f6f52;
}

.profile-links {
  margin-top: 1.5rem;
}

.profile-links a {
  display: inline-flex;
  width: fit-content;
  color: var(--text);
  font-family: var(--display-font);
  font-weight: 700;
}

.cta-section {
  padding-bottom: 2rem;
}

.cta-panel {
  display: grid;
  gap: 0.9rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 245, 246, 0.98));
}

.contact-primary {
  display: grid;
  justify-items: start;
  gap: 0.6rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(197, 23, 46, 0.08), rgba(255, 255, 255, 0.96));
  border: 1px solid rgba(197, 23, 46, 0.14);
}

.contact-primary-label,
.contact-feedback {
  font-family: var(--display-font);
}

.contact-primary-label {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-primary-button {
  min-width: min(100%, 18rem);
}

.contact-primary-note {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
}

.contact-actions {
  align-items: stretch;
}

.copy-email-button {
  cursor: pointer;
}

.copy-email-button.is-copied {
  background: linear-gradient(135deg, #1f4032 0%, #2f6f52 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 16px 34px rgba(34, 84, 62, 0.18);
}

.contact-feedback {
  min-height: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 2rem;
  border-top: 1px solid rgba(29, 26, 22, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .site-header {
    border-radius: 2rem;
  }

  body::before {
    width: 20rem;
    height: 20rem;
    top: 8rem;
    right: -4rem;
  }

  .hero,
  .about-layout,
  .timeline,
  .brand-wall,
  .services-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 12ch;
  }

  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .page-shell {
    width: min(calc(100% - 1.2rem), var(--max-width));
  }

  .site-header {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: start;
    border-radius: 1.6rem;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.9rem 1.1rem;
  }

  .button-small {
    width: 100%;
  }

  .hero {
    padding-top: 3rem;
  }

  body::before {
    width: 14rem;
    height: 14rem;
    top: 7rem;
    right: -3.5rem;
    opacity: 0.95;
  }

  .hero-actions {
    grid-auto-flow: row;
  }

  .contact-primary-button {
    width: 100%;
  }

  .brand-tile {
    min-height: 8rem;
  }

  .brand-tile img {
    max-width: 8rem;
    height: 3rem;
  }

  .brand-tile-youpal img {
    max-width: 9.5rem;
    height: 3.8rem;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 2.8rem 0;
  }

  .brand-wall {
    grid-template-columns: 1fr;
  }

  .hero-copy h1,
  .hero-card h2,
  .section-heading h2,
  .about-panel h2,
  .cta-panel h2 {
    font-size: clamp(2.4rem, 11vw, 3.6rem);
  }

  .hero-intro {
    font-size: 1rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-card-primary,
  .info-card,
  .proof-card,
  .timeline-step,
  .about-panel,
  .profile-card,
  .cta-panel,
  .brand-strip {
    padding: 1.25rem;
    border-radius: 1.4rem;
  }
}