:root {
  --bg: #f4efe9;
  --bg-soft: #fbf7f2;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --text: #171312;
  --muted: #6e625f;
  --line: rgba(23, 19, 18, 0.1);
  --accent: #c56d5d;
  --accent-strong: #8f3d31;
  --accent-soft: rgba(197, 109, 93, 0.14);
  --shadow: 0 18px 50px rgba(40, 25, 21, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max: 1240px;
  --font-sans: "Segoe UI Variable", "Segoe UI", "Noto Sans", "Noto Sans SC", "Noto Sans TC",
    "Noto Sans JP", "Noto Sans KR", "Helvetica Neue", Arial, sans-serif;
}

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

html,
body,
button,
input,
select,
textarea {
  font-family: var(--font-sans);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(197, 109, 93, 0.16), transparent 38%),
    radial-gradient(circle at 82% 12%, rgba(143, 61, 49, 0.12), transparent 30%),
    linear-gradient(180deg, #fffdfb 0%, var(--bg) 100%);
  line-height: 1.5;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18), transparent 72%);
  z-index: -1;
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max));
  margin: 20px auto 28px;
}

.topbar,
.hero,
.stats,
.section,
.contact-panel,
.footer {
  backdrop-filter: blur(20px);
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 40;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 18px;
  padding: 16px 18px;
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-xl) + 6px);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex: none;
}

.brand strong {
  display: block;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 28% 32%, #fff7f4 0 18%, transparent 19%),
    linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
  position: relative;
  flex: none;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

.nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  min-width: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.nav a {
  position: relative;
  flex: 0 0 auto;
  padding-block: 4px;
  white-space: nowrap;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.locale-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-self: end;
}

.locale-chip {
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.86rem;
  font-weight: 700;
  white-space: nowrap;
}

.locale-select-wrap {
  display: inline-flex;
  align-items: center;
  position: relative;
  padding: 0;
  background: transparent;
  border: 0;
}

.locale-select-wrap::after {
  content: "";
  position: absolute;
  right: 15px;
  top: 50%;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid rgba(23, 19, 18, 0.72);
  pointer-events: none;
  transform: translateY(-35%);
}

.locale-select-wrap select {
  min-width: 148px;
  padding: 9px 36px 9px 14px;
  border: 1px solid rgba(23, 19, 18, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  font: inherit;
  max-width: 260px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.hero,
.section,
.contact-panel,
.stats {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 26px;
  margin-bottom: 18px;
  overflow: hidden;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 18px;
  padding: 6px 4px 4px 6px;
  width: 100%;
  max-width: none;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 800;
}

.hero h1,
.section h2 {
  margin: 0;
  line-height: 1.03;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2rem, 2.6vw, 3.05rem);
  line-height: 1.12;
  max-width: none;
  width: 100%;
  font-weight: 520;
  text-align: start;
  text-wrap: balance;
}

.lede,
.section-text,
.info-panel p,
.faq-item p,
.step p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: none;
  width: 100%;
  text-align: left;
  text-justify: auto;
  text-align-last: auto;
  word-spacing: normal;
  letter-spacing: normal;
  text-wrap: pretty;
}

.hero .lede {
  max-width: none;
  width: 100%;
}

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

.info-panel {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 19, 18, 0.08);
  box-shadow: 0 14px 32px rgba(25, 18, 16, 0.08);
}

.info-panel h3 {
  margin: 10px 0 10px;
  font-size: 1.3rem;
}

.info-panel p {
  margin: 0;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 12px 24px rgba(143, 61, 49, 0.22);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--line);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badges span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--muted);
  border: 1px solid var(--line);
  font-size: 0.88rem;
}

.hero-visual {
  display: grid;
  align-items: center;
  min-height: 0;
}

.visual-card {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: #ddd;
  box-shadow: 0 18px 30px rgba(17, 12, 11, 0.12);
  min-height: 100%;
}

.visual-card-large {
  min-height: 100%;
  aspect-ratio: 21 / 9;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
  margin-bottom: 18px;
}

.stat-card {
  padding: 18px;
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px solid rgba(23, 19, 18, 0.08);
}

.stat-card strong {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-card span {
  display: block;
  color: var(--muted);
}

.section {
  padding: 26px;
  margin-bottom: 18px;
}

.section-split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: end;
}

.section h2 {
  font-size: clamp(2rem, 3.7vw, 3.4rem);
}

.manufacture-section {
  display: grid;
  gap: 22px;
  align-items: start;
}

.manufacture-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.manufacture-copy h2 {
  margin: 0;
  width: 100%;
  max-width: none;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  line-height: 1.2;
  font-weight: 800;
  text-align: start;
  text-wrap: balance;
}

.manufacture-list {
  display: grid;
  gap: 16px;
}

.manufacture-row {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
  align-items: center;
  padding: 22px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(23, 19, 18, 0.08);
  box-shadow: 0 16px 34px rgba(25, 18, 16, 0.08);
}

.manufacture-row-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.manufacture-row-copy h3 {
  margin: 0;
  font-size: clamp(1.8rem, 2.7vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 550;
}

.manufacture-row-media {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(23, 19, 18, 0.08);
  background: rgba(255, 255, 255, 0.94);
  aspect-ratio: 16 / 10;
}

.manufacture-row-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cards-grid .section-head,
#process .section-head {
  display: grid;
  gap: 4px;
  margin-bottom: 22px;
}

#faq .section-kicker {
  font-size: 0.68rem;
}

#faq .section-head h2,
#process .section-head h2 {
  width: 100%;
  max-width: none;
  font-size: clamp(1.8rem, 2.7vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 550;
  text-wrap: balance;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.tile {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(23, 19, 18, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 32px rgba(25, 18, 16, 0.08);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 38px rgba(25, 18, 16, 0.12);
}

.tile-image {
  aspect-ratio: 4 / 3;
  background: #cfc5c0;
}

.tile-content {
  padding: 16px;
}

.tile-content h3 {
  margin: 0 0 8px;
  font-size: 1.14rem;
}

.tile-content p {
  margin: 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

#process .timeline {
  margin-top: 2px;
}

.faq-topic {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(249, 242, 237, 0.92));
  border: 1px solid rgba(23, 19, 18, 0.08);
  box-shadow: 0 16px 32px rgba(25, 18, 16, 0.08);
}

.faq-topic-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  cursor: pointer;
  list-style: none;
  border-radius: 14px;
  padding: 2px 0;
}

.faq-topic-head::-webkit-details-marker,
.step-head::-webkit-details-marker {
  display: none;
}

.faq-topic-head:hover h3,
.step-head:hover h3 {
  color: var(--accent-strong);
}

.faq-topic-index {
  margin: 0;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  font-weight: 800;
}

.faq-topic h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.1;
  min-width: 0;
}

.faq-question-list {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.faq-topic:not([open]) .faq-question-list,
.step:not([open]) .step-content {
  display: none;
}

.faq-item {
  overflow: hidden;
  border: 1px solid rgba(23, 19, 18, 0.09);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 24px rgba(25, 18, 16, 0.06);
}

.faq-question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 12px 12px 11px;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: default;
  transition: none;
}

.faq-question span:first-child {
  font-weight: 700;
  line-height: 1.35;
  flex: 1 1 auto;
  font-size: 0.98rem;
}

.faq-answer {
  display: grid;
  gap: 10px;
  padding: 0 12px 12px;
}

.faq-answer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

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

.step {
  position: relative;
  padding: 14px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(249, 242, 237, 0.94));
  border: 1px solid rgba(23, 19, 18, 0.08);
}

.step::before {
  content: none;
}

.step h3 {
  margin: 0;
  min-width: 0;
  font-size: 1.02rem;
  line-height: 1.2;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.step-meta {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.95rem;
  font-weight: 700;
  text-align: left;
  text-justify: auto;
  word-spacing: normal;
  letter-spacing: normal;
}

.step-list {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.step-list li {
  margin: 0;
  padding-left: 2px;
}

.step-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  flex: none;
}

.step-content {
  margin-top: 14px;
}

.accordion-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--accent-strong);
  flex: none;
}

.accordion-icon::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  transition: transform 180ms ease;
}

.faq-topic[open] .accordion-icon::before,
.step[open] .accordion-icon::before {
  transform: rotate(180deg);
}

.contact-section {
  margin-bottom: 18px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 24px;
  padding: 26px;
}

.contact-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.contact-links a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  transition: transform 180ms ease, border-color 180ms ease;
}

.contact-links a:hover {
  transform: translateY(-1px);
  border-color: rgba(197, 109, 93, 0.45);
}

.contact-link-copy > span {
  color: var(--muted);
  font-size: 0.86rem;
}

.contact-links strong {
  font-size: 1rem;
}

.contact-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  flex: none;
  background: linear-gradient(180deg, rgba(197, 109, 93, 0.16), rgba(197, 109, 93, 0.08));
  color: var(--accent-strong);
}

.contact-link-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.contact-link-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-visual {
  min-height: 100%;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.contact-visual img {
  min-height: 100%;
}

.footer {
  padding: 16px 6px 2px;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

html[dir="rtl"] body,
html[dir="rtl"] .page-shell {
  direction: rtl;
}

html[dir="rtl"] .nav a::after {
  left: auto;
  right: 0;
  transform-origin: right;
}

html[dir="rtl"] .locale-bar,
html[dir="rtl"] .contact-links a,
html[dir="rtl"] .section,
html[dir="rtl"] .hero-copy {
  text-align: start;
}

@media (max-width: 1100px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .brand {
    grid-column: 1 / -1;
  }

  .nav {
    grid-column: 1;
    grid-row: 2;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .locale-select-wrap {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
  }

  .hero,
  .section-split,
  .contact-panel,
  .manufacture-section {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 0;
  }

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

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

  .hero-visual {
    min-height: 0;
  }

  .stats,
  .faq-list,
  .grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max));
    margin-top: 10px;
  }

  .topbar,
  .hero,
  .section,
  .contact-panel,
  .stats {
    padding: 16px;
  }

  .topbar {
    gap: 8px;
  }

  .contact-links {
    grid-template-columns: 1fr;
  }

  .nav {
    gap: 9px;
    font-size: 0.82rem;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }

  .stats,
  .faq-list,
  .grid,
  .grid-2,
  .intro-grid,
  .manufacture-row,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 0;
    aspect-ratio: auto;
  }

  .locale-select-wrap {
    width: auto;
    min-width: 0;
  }

  .locale-select-wrap select {
    width: auto;
    max-width: 112px;
    min-width: 0;
    padding: 8px 28px 8px 10px;
    font-size: 0.82rem;
  }

  .locale-select-wrap::after {
    right: 13px;
  }
}
