:root {
  color-scheme: light;
  --paper: #f5ecd8;
  --paper-soft: #fbf5e7;
  --ink: #18130e;
  --ink-soft: #4b4034;
  --muted: #766853;
  --line: #c9b88e;
  --line-strong: #9d8756;
  --seal: #a52a22;
  --seal-dark: #751915;
  --gold: #b68a34;
  --terminal: #11100c;
  --terminal-line: rgba(214, 183, 96, 0.22);
  --white: #fffdf7;
  --shadow: 0 20px 60px rgba(39, 29, 16, 0.18);
  --radius: 8px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Yu Gothic", "Hiragino Sans", serif;
  background: var(--paper);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(rgba(63, 49, 28, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 49, 28, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 74% 10%, rgba(166, 42, 34, 0.08), transparent 28rem),
    var(--paper);
  background-size: 28px 28px, 28px 28px, auto, auto;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image:
    repeating-linear-gradient(0deg, rgba(24, 19, 14, 0.06) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(24, 19, 14, 0.035) 0 1px, transparent 1px 7px);
  mix-blend-mode: multiply;
}

a {
  color: inherit;
  text-decoration-color: rgba(165, 42, 34, 0.42);
  text-underline-offset: 0.18em;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--seal);
  outline-offset: 3px;
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(95, 78, 47, 0.22);
  background: rgba(245, 236, 216, 0.9);
  backdrop-filter: blur(14px);
}

.topbar-inner {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  align-items: center;
  gap: 18px;
  min-height: 74px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid #2e2617;
  border-radius: 7px;
  background: #120f0a;
  color: #e4c257;
  box-shadow: 0 8px 18px rgba(18, 15, 10, 0.22);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-weight: 700;
}

.brand-name {
  display: block;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.1;
}

.brand-sub {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.nav-links a,
.language-switch button,
.text-button,
.seal-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.86rem;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-links a {
  background: rgba(255, 252, 242, 0.64);
}

.nav-links a:hover,
.language-switch button:hover,
.text-button:hover,
.seal-button:hover {
  transform: translateY(-1px);
}

.language-switch {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(151, 128, 77, 0.35);
  border-radius: 999px;
  background: rgba(255, 252, 242, 0.65);
}

.language-switch button {
  min-width: 42px;
  min-height: 32px;
  border: 0;
  padding: 5px 10px;
  background: transparent;
  color: var(--ink-soft);
}

.language-switch button.is-active {
  background: var(--terminal);
  color: #f2d16c;
  box-shadow: inset 0 0 0 1px rgba(242, 209, 108, 0.24);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  align-items: center;
  gap: clamp(28px, 5vw, 74px);
  min-height: calc(100vh - 74px);
  padding: 52px 0 44px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--seal-dark);
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 1px;
  background: var(--seal);
  content: "";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(3rem, 9vw, 7.6rem);
  font-weight: 900;
  line-height: 0.9;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 4vw, 3.6rem);
  line-height: 1.03;
}

h3 {
  margin-bottom: 9px;
  font-size: 1.1rem;
  line-height: 1.25;
}

.lead {
  max-width: 680px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2.2vw, 1.38rem);
  line-height: 1.8;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.seal-button {
  border-color: var(--seal-dark);
  background: var(--seal);
  color: #fff7e6;
  font-weight: 800;
  box-shadow: 0 12px 22px rgba(117, 25, 21, 0.18);
}

.text-button {
  background: rgba(255, 252, 242, 0.78);
  color: var(--ink);
}

.hero-note {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 34px;
}

.note-tile,
.spec-row,
.law-block,
.mini-feature,
.form-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 251, 239, 0.72);
}

.note-tile {
  min-height: 108px;
  padding: 14px;
}

.note-tile strong,
.spec-row strong,
.mini-feature strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.82rem;
}

.note-tile span,
.mini-feature span,
.spec-row span,
.law-block p,
.legal-copy p,
.legal-copy li,
.support-list li {
  color: var(--ink-soft);
  line-height: 1.75;
}

.phone-stage {
  position: relative;
  min-height: 640px;
  display: grid;
  place-items: center;
}

.terminal-card {
  position: absolute;
  right: 4%;
  bottom: 9%;
  width: min(360px, 82%);
  border: 1px solid rgba(242, 209, 108, 0.32);
  border-radius: 8px;
  padding: 18px;
  background:
    linear-gradient(var(--terminal-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--terminal-line) 1px, transparent 1px),
    #12100b;
  background-size: 18px 18px;
  color: #f1d77c;
  box-shadow: 0 24px 46px rgba(18, 15, 10, 0.36);
  transform: rotate(1.5deg);
}

.terminal-card p {
  margin: 0;
  font-family: "SFMono-Regular", "Menlo", "Consolas", monospace;
  font-size: 0.76rem;
  line-height: 1.7;
}

.stamp {
  position: absolute;
  top: 5%;
  right: 10%;
  z-index: 2;
  display: grid;
  width: 112px;
  height: 112px;
  place-items: center;
  border: 4px double rgba(165, 42, 34, 0.82);
  border-radius: 50%;
  color: var(--seal);
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
  transform: rotate(12deg);
  opacity: 0.82;
  mix-blend-mode: multiply;
}

.phone-frame {
  position: relative;
  width: min(100%, 324px);
  border: 1px solid #211a11;
  border-radius: 36px;
  padding: 12px;
  background: #15110b;
  box-shadow: var(--shadow);
  transform: rotate(-2deg);
  animation: float-in 760ms ease both;
}

.phone-frame::before {
  position: absolute;
  top: 9px;
  left: 50%;
  width: 78px;
  height: 5px;
  border-radius: 999px;
  background: #2c2519;
  content: "";
  transform: translateX(-50%);
}

.phone-frame img {
  display: block;
  width: 100%;
  border-radius: 26px;
}

.section {
  padding: 78px 0;
  border-top: 1px solid rgba(125, 104, 65, 0.22);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.7fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 30px;
}

.section-head p {
  color: var(--ink-soft);
  line-height: 1.85;
}

.feature-grid,
.legal-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.mini-feature,
.law-block {
  padding: 20px;
}

.spec-list {
  display: grid;
  gap: 10px;
}

.spec-row {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 14px;
  padding: 14px 16px;
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  padding: 48px 0 80px;
}

.legal-aside {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 12px;
}

.doc-label {
  display: inline-block;
  width: fit-content;
  border: 1px solid var(--seal);
  border-radius: 4px;
  padding: 5px 9px;
  color: var(--seal);
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.76rem;
  font-weight: 900;
  transform: rotate(-1.5deg);
}

.legal-copy {
  max-width: 860px;
}

.legal-copy h1 {
  margin-bottom: 22px;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
}

.legal-copy h2 {
  margin-top: 44px;
  font-size: clamp(1.35rem, 3vw, 2.15rem);
}

.legal-copy ul,
.support-list {
  padding-left: 1.1rem;
}

.lang-panel[hidden] {
  display: none;
}

.meta-line {
  color: var(--muted);
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.88rem;
}

.form-wrap {
  padding: 24px;
  box-shadow: 0 18px 42px rgba(39, 29, 16, 0.1);
}

.company-card {
  display: grid;
  gap: 16px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  background: rgba(255, 251, 239, 0.78);
}

.company-card img {
  display: block;
  width: min(180px, 100%);
  height: auto;
}

.company-card p {
  margin-bottom: 0;
}

.company-details {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.company-details div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  border-top: 1px solid rgba(139, 108, 55, 0.18);
  padding-top: 8px;
}

.company-details dt {
  color: var(--muted);
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.company-details dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.94rem;
}

.company-note {
  color: var(--muted);
  font-size: 0.86rem;
}

.request-form {
  display: grid;
  gap: 16px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.86rem;
  font-weight: 800;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  padding: 12px 13px;
  background: rgba(255, 253, 247, 0.88);
  color: var(--ink);
}

.field textarea {
  min-height: 118px;
  resize: vertical;
}

.form-hint,
.form-result {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.75;
}

.form-result {
  min-height: 28px;
}

.form-result.is-ok {
  color: #23523c;
}

.form-result.is-error {
  color: var(--seal-dark);
}

.footer {
  padding: 34px 0 44px;
  border-top: 1px solid rgba(125, 104, 65, 0.28);
  color: var(--muted);
  font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(18px) rotate(-2deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(-2deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 860px) {
  .site-shell {
    width: min(100% - 24px, 720px);
  }

  .topbar-inner {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 12px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .language-switch {
    width: fit-content;
  }

  .hero,
  .section-head,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 38px;
  }

  .phone-stage {
    min-height: 560px;
  }

  .terminal-card {
    right: 0;
    bottom: 0;
  }

  .hero-note,
  .feature-grid,
  .legal-grid,
  .support-grid,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .spec-row {
    grid-template-columns: 1fr;
  }

  .legal-aside {
    position: static;
  }
}

@media (max-width: 520px) {
  .nav-links a,
  .text-button,
  .seal-button {
    width: 100%;
    text-align: center;
  }

  .hero-actions,
  .inline-actions {
    display: grid;
  }

  .phone-stage {
    min-height: 490px;
  }

  .stamp {
    width: 88px;
    height: 88px;
    font-size: 0.7rem;
  }

  .terminal-card {
    width: 92%;
  }
}