:root {
  --ground: #faf6ee;
  --surface: #ffffff;
  --surface-2: #f2ecdd;
  --ink: #1c2b3a;
  --ink-soft: #51606d;
  --ink-faint: #7c8996;
  --accent: #a97c3c;
  --accent-deep: #7e5b28;
  --accent-ink: #ffffff;
  --line: #e2d9c3;
  --navy-deep: #101c29;
  --navy-deep-2: #17293b;
  --shadow: 220 45% 12%;
  --radius-panel: 10px;
  --radius-grid: 8px;
  --radius-card: 6px;
  --radius-btn: 3px;
  /* fixed light text color for the always-dark navy panels (trust, page-hero,
     hero-visual caption) — deliberately NOT redefined in the dark-mode blocks,
     since those panels stay dark regardless of the page's own light/dark theme */
  --on-dark: #f2ece0;
}

/* このサイトは常に上のライト配色で固定表示する（訪問者のOS設定がダークモードでも
   切り替えない）。将来また端末のダークモードに追従させたくなったら、下のブロックを
   復活させればOK。 */

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .eyebrow-serif {
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-weight: 600;
  color: var(--ink);
  text-wrap: balance;
  margin: 0;
}

a { color: inherit; }
img, .box { max-width: 100%; }

.wrap {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 56px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--accent-deep);
  font-weight: 700;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
  transition: background-color .35s ease, padding .35s ease;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px);
  padding-block: 12px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  line-height: 1.1;
}
.logo-mark {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-mark svg { display: block; }
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-text strong {
  font-family: "Shippori Mincho", serif;
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin-top: 8px;
  white-space: nowrap;
}
@media (max-width: 480px) {
  .logo-mark { width: 34px; height: 34px; }
  .logo-mark svg { width: 26px; height: 26px; }
  .logo-text strong { font-size: 1.5rem; }
  .logo-en { font-size: 0.4rem; }
}
.logo-en {
  font-size: 0.48rem;
  letter-spacing: 0.2em;
  color: var(--accent-deep);
  margin-top: 4px;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(6px, 1vw, 10px);
}
.primary-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  color: var(--ink-soft);
  position: relative;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}
.primary-nav a:hover {
  color: var(--accent-deep);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.primary-nav a.cta-link {
  color: var(--accent-ink);
  background: var(--ink);
  border-color: var(--ink);
  margin-left: 6px;
}
.primary-nav a.cta-link:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: var(--accent-ink);
}
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink);
}
.menu-toggle svg { width: 18px; height: 18px; }

@media (max-width: 860px) {
  .primary-nav {
    position: fixed;
    inset: 64px 16px auto 16px;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-grid);
    padding: 18px;
    gap: 4px;
    box-shadow: 0 18px 40px -18px hsl(var(--shadow) / 0.35);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .primary-nav.is-open {
    opacity: 1; visibility: visible; transform: translateY(0);
  }
  .primary-nav a {
    padding: 10px 8px;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
    background: none;
  }
  .primary-nav a:hover { background: none; }
  .primary-nav a:last-child { border-bottom: none; }
  .primary-nav a.cta-link { text-align: center; margin-top: 6px; margin-left: 0; }
  .menu-toggle { display: inline-flex; }
}

/* ---------- hero ---------- */
.hero { padding-block: clamp(40px, 7vw, 84px) clamp(48px, 6vw, 76px); }
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 760px) {
  .hero-inner { grid-template-columns: 1fr; }
}
.hero-copy h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.85rem);
  line-height: 1.45;
  margin-block: 18px 22px;
}
.hero-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-block: 18px 22px;
}
.hero-title .lead-in,
.hero-title .trail {
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-weight: 500;
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}
.hero-title .headline-main {
  font-size: clamp(2.3rem, 5.8vw, 3.7rem);
  line-height: 1.05;
  color: var(--accent-deep);
  margin-block: 4px 6px;
  margin-inline-start: -0.5em;
  letter-spacing: 0.01em;
}
.hero-copy h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.5;
  margin-block: 14px 18px;
}
.hero-copy .lede {
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 46ch;
  margin: 0 0 30px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-btn);
  font-size: 0.92rem;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-deep); }

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 4.6;
  border-radius: var(--radius-panel);
  background:
    radial-gradient(120% 90% at 15% 0%, var(--navy-deep-2), var(--navy-deep) 65%);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: .5;
}
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 55%;
  background: linear-gradient(to top, rgba(8, 12, 18, .78), transparent);
  pointer-events: none;
  z-index: 1;
}
.bean {
  position: absolute;
  border-radius: 58% 42% 61% 39% / 45% 55% 45% 55%;
  background: linear-gradient(155deg, var(--accent-deep), var(--accent));
  box-shadow: 0 20px 40px -18px rgba(0,0,0,.55);
}
.bean.b1 { width: 34%; aspect-ratio: 1; top: 10%; left: 12%; }
.bean.b2 { width: 21%; aspect-ratio: 1; top: 6%; right: 14%; opacity: .88; }
.bean.b3 { width: 26%; aspect-ratio: 1; bottom: 14%; left: 6%; opacity: .8; }
.tofu {
  position: absolute;
  background: color-mix(in srgb, var(--on-dark) 96%, white 4%);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-card);
  box-shadow: 0 24px 46px -20px rgba(0,0,0,.6);
}
.tofu.t1 { width: 46%; aspect-ratio: 1/0.82; right: 8%; top: 30%; transform: rotate(-6deg); }
.tofu.t2 { width: 34%; aspect-ratio: 1/0.82; left: 16%; bottom: 8%; transform: rotate(4deg); background: color-mix(in srgb, var(--on-dark) 90%, var(--accent) 10%); }
.hero-visual .cap {
  position: absolute; left: 20px; bottom: 18px; right: 20px;
  z-index: 2;
  display: flex; justify-content: space-between; align-items: flex-end;
  color: rgba(242,236,224,.72);
  font-size: 0.72rem; letter-spacing: .12em;
}
.hero-visual .cap strong { color: var(--on-dark); display:block; font-size: 0.95rem; letter-spacing: .04em; font-family:"Shippori Mincho",serif; }

/* ---------- stats ---------- */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 0;
}
.stat {
  padding: clamp(24px, 4vw, 38px) clamp(10px, 3vw, 24px);
  text-align: center;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; }
.stat .num {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  color: var(--accent-deep);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.stat .label { margin-top: 10px; font-size: 0.84rem; color: var(--ink-soft); letter-spacing: .04em; }
@media (max-width: 640px) {
  .stats-inner { grid-template-columns: 1fr; }
  .stat { border-left: none; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: none; }
}

/* ---------- section shared ---------- */
section { padding-block: clamp(56px, 8vw, 100px); }
.section-head { margin-bottom: clamp(30px, 4vw, 48px); max-width: 640px; }
.section-head h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-top: 12px; }

/* ---------- business ---------- */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-grid);
  overflow: hidden;
}
.biz-card {
  background: var(--surface);
  padding: clamp(26px, 3vw, 36px) clamp(22px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.biz-mark {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent-deep);
  font-family: "Shippori Mincho", serif;
  font-size: 1.05rem;
}
.biz-card h3 { font-size: 1.12rem; }
.biz-card p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }
@media (max-width: 860px) {
  .business-grid { grid-template-columns: 1fr; }
}

/* ---------- trust ---------- */
.trust { background: var(--navy-deep); color: var(--on-dark); }
.trust .eyebrow { color: var(--accent); }
.trust .eyebrow::before { background: var(--accent); }
.trust-lead {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  margin: 14px 0 30px;
  color: var(--on-dark);
  max-width: 34ch;
}
.trust-list {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px 28px;
  border-top: 1px solid rgba(242,236,224,.16);
  padding-top: 26px;
}
.trust-list li {
  font-size: 0.95rem;
  letter-spacing: .02em;
  color: rgba(242,236,224,.86);
  padding-block: 6px;
  white-space: nowrap;
}
.trust-note { margin-top: 22px; font-size: 0.78rem; color: rgba(242,236,224,.5); }

/* ---------- company ---------- */
.company-inner {
  display: grid;
  grid-template-columns: minmax(0,0.9fr) minmax(0,1.1fr);
  gap: clamp(30px, 5vw, 64px);
}
@media (max-width: 760px) {
  .company-inner { grid-template-columns: 1fr; }
}
.company-copy p { color: var(--ink-soft); margin: 14px 0 0; max-width: 40ch; }
.company-copy .more {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 22px; font-size: 0.88rem; color: var(--accent-deep);
  text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px;
}
.company-data {
  margin: 0;
  border-top: 1px solid var(--line);
}
.company-data .row {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.company-data dt { color: var(--ink-faint); letter-spacing: .04em; }
.company-data dd { margin: 0; color: var(--ink); }
@media (max-width: 640px) {
  .company-data .row { grid-template-columns: 96px 1fr; }
}

/* ---------- cta ---------- */
.cta { text-align: center; }
.cta-inner { max-width: 560px; margin-inline: auto; }
.cta h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.cta p { color: var(--ink-soft); margin: 16px 0 30px; }
.cta .hero-actions { justify-content: center; }

/* ---------- page hero (subpages) ---------- */
.page-hero {
  background: var(--navy-deep);
  color: var(--on-dark);
  padding-block: clamp(56px, 9vw, 100px) clamp(40px, 6vw, 64px);
}
.page-hero .eyebrow { color: var(--accent); }
.page-hero .eyebrow::before { background: var(--accent); }
.page-hero h1 {
  color: var(--on-dark);
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  margin: 14px 0 16px;
}
.page-hero p {
  color: rgba(242,236,224,.78);
  max-width: 56ch;
  margin: 0;
  font-size: 1rem;
}
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-size: 0.78rem; color: rgba(242,236,224,.5);
  margin-bottom: 18px;
}
.breadcrumb a { text-decoration: none; color: rgba(242,236,224,.72); }
.breadcrumb a:hover { color: var(--on-dark); }

/* ---------- flexible card grid (products, features, etc.) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-grid);
  overflow: hidden;
}
.biz-card .more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: auto; padding-top: 4px;
  font-size: 0.85rem; color: var(--accent-deep);
  text-decoration: none; border-bottom: 1px solid currentColor; align-self: flex-start;
}

/* ---------- photo pair (two showcased items side by side) ---------- */
.photo-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.photo-pair figure {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-grid);
  overflow: hidden;
}
.photo-pair img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.photo-pair figcaption { padding: 20px 22px 26px; }
.photo-pair figcaption h3 { font-size: 1.1rem; }
.photo-pair figcaption p { margin: 10px 0 0; color: var(--ink-soft); font-size: 0.9rem; }

/* ---------- spec list (key-value blocks) ---------- */
.spec-list {
  margin: 0;
  border-top: 1px solid var(--line);
}
.spec-list .row {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
}
.spec-list dt { color: var(--ink-faint); letter-spacing: .04em; }
.spec-list dd { margin: 0; color: var(--ink); }
@media (max-width: 640px) {
  .spec-list .row { grid-template-columns: 110px 1fr; }
}

/* ---------- steps (numbered process) ---------- */
.steps {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column;
  gap: 0;
  counter-reset: step;
  border-top: 1px solid var(--line);
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 56px minmax(160px, 220px) 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.steps li::before {
  content: counter(step);
  font-family: "Shippori Mincho", serif;
  font-size: 1.15rem;
  color: var(--accent-deep);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-variant-numeric: tabular-nums;
  align-self: start;
}
.steps img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  display: block;
}
.steps p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
@media (max-width: 640px) {
  .steps li {
    grid-template-columns: 40px 1fr;
    grid-template-areas: "num img" "text text";
  }
  .steps li::before { grid-area: num; }
  .steps img { grid-area: img; }
  .steps p { grid-area: text; padding-top: 4px; }
}

/* ---------- simple form ---------- */
.contact-form {
  display: grid;
  gap: 20px;
  max-width: 560px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.86rem; color: var(--ink-soft); letter-spacing: .02em; }
.field input, .field textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  color: var(--ink);
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.field textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: 0.8rem; color: var(--ink-faint); margin: 0; }
.form-error {
  font-size: 0.9rem;
  color: #9a3b2f;
  background: color-mix(in srgb, #9a3b2f 10%, transparent);
  border: 1px solid color-mix(in srgb, #9a3b2f 35%, transparent);
  border-radius: var(--radius-card);
  padding: 12px 16px;
  margin: 0;
}

/* ---------- footer ---------- */
/* ---------- thank-you page: centered between header and footer ---------- */
.page-thanks {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.page-thanks main {
  flex: 1;
  display: flex;
  align-items: center;
}
.page-thanks main .cta {
  width: 100%;
}

footer {
  border-top: 1px solid var(--line);
  padding-block: 40px;
  font-size: 0.82rem;
  color: var(--ink-faint);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 40px;
}
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a { text-decoration: none; color: var(--ink-soft); }
.footer-nav a:hover { color: var(--ink); }

/* reveal */
.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
  .reveal.is-visible { opacity: 1; transform: none; }
}

/* ---------- mobile: let manually-placed line breaks relax ----------
   本文中の <br> と white-space:nowrap は、パソコンの横幅に合わせて狙った位置で
   改行させるためのもの。スマホの狭い画面でそのまま使うと文章がブツ切れに見えるので、
   ここで解除して自然に折り返すようにする（住所など構造的な改行はこの対象外）。 */
@media (max-width: 640px) {
  [style*="white-space: nowrap"] { white-space: normal !important; }
  .lede br,
  .page-hero p br,
  .cta p br,
  .biz-card p br,
  .company-copy p br {
    display: none;
  }
}