@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500&family=Noto+Sans+JP:wght@300;400;500&display=swap');

/* =====================
   CSS Variables
   ===================== */
:root {
  --black:      #111111;
  --soft-black: #1C1A17;
  --brown:      #8A5A38;
  --deep-brown: #4A3325;
  --gold:       #B08A5A;
  --ivory:      #F5F1EA;
  --warm-gray:  #D8D1C7;
  --text-dark:  #1F1B18;
  --text-light: #FFFFFF;

  --font-serif: 'Noto Serif JP', 游明朝, 'Yu Mincho', serif;
  --font-sans:  'Noto Sans JP', system-ui, sans-serif;
  --content-w:  1160px;
}

/* =====================
   Reset & Base
   ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background: var(--ivory);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; }

/* =====================
   Header
   ===================== */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  padding: 20px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}
.header--dark          { background: rgba(17,17,17,0); }
.header--dark.scrolled { background: rgba(17,17,17,0.95); backdrop-filter: blur(10px); }
.header--ivory          { background: rgba(245,241,234,0); }
.header--ivory.scrolled { background: rgba(245,241,234,0.97); backdrop-filter: blur(10px); }

/* Logo area */
.header__logo-wrap {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}
.header__logo-img {
  width: 72px;
  height: auto;
  display: block;
}
/* 黒背景：invert で白抜き → screen で白地を透明化 */
.header--dark .header__logo-img {
  filter: invert(1);
  mix-blend-mode: screen;
}
/* アイボリー背景：multiply で白地をなじませ黒文字を残す */
.header--ivory .header__logo-img {
  mix-blend-mode: multiply;
}

.nav { display: flex; gap: 40px; align-items: center; }
.nav__link {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 400;
  transition: color 0.2s;
}
.header--dark  .nav__link { color: rgba(255,255,255,0.75); }
.header--dark  .nav__link:hover { color: var(--gold); }
.header--ivory .nav__link { color: var(--text-dark); }
.header--ivory .nav__link:hover { color: var(--brown); }

/* =====================
   Hamburger
   ===================== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger__bar {
  width: 26px; height: 1.5px;
  transition: transform 0.3s, opacity 0.3s;
}
.header--dark  .hamburger__bar { background: var(--text-light); }
.header--ivory .hamburger__bar { background: var(--text-dark); }
.hamburger.open .hamburger__bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open .hamburger__bar:nth-child(2) { opacity: 0; }
.hamburger.open .hamburger__bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* =====================
   Mobile Menu
   ===================== */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--soft-black);
  z-index: 199;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 48px;
  opacity: 0;
  transition: opacity 0.3s;
}
.mobile-menu.open { display: flex; opacity: 1; }
.mobile-menu__link {
  font-size: 13px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  transition: color 0.2s;
}
.mobile-menu__link:hover { color: var(--gold); }

/* =====================
   Buttons
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 36px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.1em;
  border: 1px solid;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
  white-space: nowrap;
}
.btn--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}
.btn--gold:hover { background: var(--brown); border-color: var(--brown); }
.btn--outline-w {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn--outline-w:hover { border-color: var(--gold); color: var(--gold); }
.btn--outline-d {
  background: transparent;
  border-color: var(--text-dark);
  color: var(--text-dark);
}
.btn--outline-d:hover { border-color: var(--brown); color: var(--brown); }

/* =====================
   Fade-in
   ===================== */
.fi {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fi.visible { opacity: 1; transform: none; }
.fi-d1 { transition-delay: 0.12s; }
.fi-d2 { transition-delay: 0.24s; }
.fi-d3 { transition-delay: 0.36s; }
.fi-d4 { transition-delay: 0.48s; }

/* =====================
   Gold Rule
   ===================== */
.rule {
  width: 32px; height: 1px;
  background: var(--gold);
  margin: 20px 0;
}
.rule--brown { background: var(--brown); }

/* =====================
   Section Label
   ===================== */
.label {
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.label--gold  { color: var(--gold); }
.label--brown { color: var(--brown); }

/* =====================
   Hero (TOP)
   ===================== */
.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% center;
  display: block;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10,8,6,0.72) 0%,
    rgba(10,8,6,0.45) 42%,
    rgba(10,8,6,0.08) 70%,
    rgba(10,8,6,0.0)  100%
  );
}
.hero__left {
  position: relative;
  z-index: 1;
  padding: 0 60px 0 120px;
  max-width: 720px;
}
.hero__copy {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4.2vw, 60px);
  font-weight: 300;
  color: var(--text-light);
  line-height: 1.75;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}
.hero__sub {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 2.1;
  letter-spacing: 0.08em;
  margin-bottom: 52px;
}
.hero__cta { display: flex; gap: 20px; flex-wrap: wrap; }

/* Large dark ceramic plate */
.cplate {
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(90,58,28,0.55) 0%, transparent 38%),
    radial-gradient(circle at 72% 72%, rgba(30,18,8,0.9) 0%, transparent 45%),
    radial-gradient(ellipse at 50% 50%, #2A1E12 0%, #0D0B08 70%);
  box-shadow:
    inset -24px -24px 70px rgba(0,0,0,0.9),
    inset 14px 10px 40px rgba(100,62,22,0.12),
    0 0 0 1px rgba(176,138,90,0.18),
    0 0 0 18px rgba(176,138,90,0.04),
    0 32px 90px rgba(0,0,0,0.85);
  position: relative;
}
.cplate::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 30deg,
    rgba(176,138,90,0.06) 0deg,
    rgba(176,138,90,0.13) 45deg,
    rgba(176,138,90,0.03) 120deg,
    rgba(176,138,90,0.10) 200deg,
    rgba(176,138,90,0.05) 280deg,
    rgba(176,138,90,0.06) 360deg
  );
}
.cplate::after {
  content: '';
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px solid rgba(176,138,90,0.12);
}
/* Sashimi shapes */
.sashimi {
  position: absolute;
  border-radius: 40% 60% 50% 50% / 50% 50% 60% 40%;
  transform-origin: center;
}
.sashimi-1 {
  width: 100px; height: 44px;
  background: linear-gradient(135deg, rgba(220,160,140,0.85), rgba(180,100,80,0.7));
  top: 34%; left: 30%;
  transform: rotate(-18deg);
  box-shadow: 0 3px 12px rgba(0,0,0,0.5);
}
.sashimi-2 {
  width: 88px; height: 38px;
  background: linear-gradient(135deg, rgba(200,200,210,0.7), rgba(160,160,175,0.55));
  top: 44%; left: 42%;
  transform: rotate(8deg);
  box-shadow: 0 3px 10px rgba(0,0,0,0.5);
}
.garnish {
  position: absolute;
  bottom: 30%; left: 30%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(130,170,90,0.7);
  box-shadow:
    12px -8px 0 4px rgba(120,160,80,0.6),
    -6px -14px 0 3px rgba(100,140,70,0.5),
    20px 4px 0 3px rgba(140,180,100,0.5);
}
/* Cup in upper-right */
.ccup {
  position: absolute;
  top: 8%;
  right: 10%;
  width: 72px;
  height: 82px;
  background:
    radial-gradient(ellipse at 32% 22%, rgba(80,50,25,0.5), transparent 55%),
    linear-gradient(175deg, #2C2016 0%, #1A1208 100%);
  border-radius: 5px 5px 9px 9px;
  box-shadow:
    0 0 0 1px rgba(176,138,90,0.22),
    0 10px 30px rgba(0,0,0,0.7),
    inset 0 0 20px rgba(0,0,0,0.4);
}
.ccup::before {
  content: '';
  position: absolute;
  top: 15%; right: -14px;
  width: 14px; height: 22px;
  border-radius: 0 50% 50% 0;
  border: 1px solid rgba(176,138,90,0.3);
  border-left: none;
}

/* =====================
   Value Section
   ===================== */
.value {
  position: relative;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
}
.value__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  display: block;
}
.value__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(245,241,234,0.92) 0%,
    rgba(245,241,234,0.75) 45%,
    rgba(245,241,234,0.10) 75%,
    rgba(245,241,234,0.00) 100%
  );
}
.value__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-w);
  margin: 0 auto;
  width: 100%;
  padding: 120px 80px;
}
.value__text-col {
  max-width: 660px;
}
.value__heading {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 300;
  line-height: 1.55;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
  color: var(--text-dark);
}
.value__body {
  font-size: 14px;
  line-height: 2.15;
  color: #4A4540;
  margin-bottom: 52px;
}

/* Horizontal 3-col icon layout */
.value__icons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(176,138,90,0.3);
}
.value__icon-item {
  padding: 28px 20px 28px 0;
  border-bottom: 1px solid rgba(176,138,90,0.3);
}
.value__icon-item:not(:last-child) {
  border-right: 1px solid rgba(176,138,90,0.3);
  padding-right: 24px;
}
.value__icon-item + .value__icon-item {
  padding-left: 24px;
}
.value__icon-svg {
  width: 32px;
  height: 32px;
  margin-bottom: 14px;
  color: var(--gold);
}
.value__icon-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 400;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
  color: var(--text-dark);
}
.value__icon-desc { font-size: 12px; color: #6A6258; line-height: 1.85; }
/* Bowl scene */
.value-scene {
  width: 100%; height: 100%;
  background:
    radial-gradient(ellipse at 30% 0%, #C8A878 0%, #8A5A38 35%, #4A3325 65%, #2A1C12 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.cbowl {
  width: 240px; height: 150px;
  background:
    radial-gradient(ellipse at 46% 28%, rgba(90,58,28,0.6), transparent 50%),
    radial-gradient(ellipse at 50% 50%, #3A2A18, #1A1208 80%);
  border-radius: 50% 50% 38% 38% / 55% 55% 45% 45%;
  box-shadow:
    0 0 0 1.5px rgba(176,138,90,0.35),
    0 28px 70px rgba(0,0,0,0.6),
    inset 0 -28px 50px rgba(0,0,0,0.5),
    inset 10px 10px 30px rgba(80,48,16,0.2);
  position: relative;
}
.cbowl::before {
  content: '';
  position: absolute;
  bottom: -12px; left: 50%;
  transform: translateX(-50%);
  width: 52%; height: 12px;
  background: #1A1208;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 0 0 1px rgba(176,138,90,0.25);
}
/* Food in bowl */
.cbowl::after {
  content: '';
  position: absolute;
  top: 18%; left: 25%;
  width: 50%; height: 30%;
  background: linear-gradient(135deg, rgba(220,190,150,0.5), rgba(180,140,100,0.3));
  border-radius: 50%;
}
/* Branch decoration */
.branch {
  position: absolute;
  top: 8%; right: 8%;
  width: 120px; height: 100px;
  pointer-events: none;
}

/* =====================
   Product Preview
   ===================== */
.prod-preview {
  background: var(--soft-black);
  padding: 120px 80px;
}
.prod-preview__hd {
  max-width: var(--content-w);
  margin: 0 auto 64px;
  text-align: center;
}
.prod-preview__ttl {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 300;
  color: var(--text-light);
  line-height: 1.65;
  letter-spacing: 0.04em;
}
.prod-preview__grid {
  max-width: var(--content-w);
  margin: 0 auto 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
}
.prod-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  cursor: pointer;
  min-height: 200px;
}
.prod-card__bg {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.6s ease;
  background: #111;
}
.prod-card:hover .prod-card__bg { transform: scale(1.04); }
.prod-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.prod-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px 20px;
}
.prod-card__en {
  font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 4px;
}
.prod-card__ja {
  font-family: var(--font-serif); font-size: 18px;
  font-weight: 300; color: var(--text-light);
}

/* Card CSS Art */
.art-cplate {
  width: 88px; height: 88px; border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, #4A3322, #0D0B08);
  box-shadow: 0 0 0 1.5px rgba(176,138,90,0.35),
    inset -6px -6px 20px rgba(0,0,0,0.7);
}
.art-cbowl {
  width: 90px; height: 55px;
  background: radial-gradient(ellipse at 50% 30%, #4A3020, #1A1208);
  border-radius: 50% 50% 38% 38% / 55% 55% 45% 45%;
  box-shadow: 0 0 0 1.5px rgba(176,138,90,0.35);
}
.art-ccup {
  width: 50px; height: 66px;
  background: linear-gradient(175deg, #1E2E2E, #0E1818);
  border-radius: 4px 4px 7px 7px;
  box-shadow: 0 0 0 1.5px rgba(176,138,90,0.35);
}
.art-cteapot {
  width: 72px; height: 64px; border-radius: 50%;
  background: radial-gradient(circle, #2A1A28, #181018);
  box-shadow: 0 0 0 1.5px rgba(176,138,90,0.35);
  position: relative;
}
.art-cteapot::before {
  content: '';
  position: absolute; right: -16px; top: 28%;
  width: 16px; height: 20px;
  border-radius: 0 50% 50% 0;
  border: 1.5px solid rgba(176,138,90,0.4);
  border-left: none;
}
.prod-preview__cta { text-align: center; }

/* =====================
   Case Preview
   ===================== */
.case-preview {
  background: var(--ivory);
  padding: 120px 80px;
}
.case-preview__hd {
  max-width: var(--content-w);
  margin: 0 auto 64px;
}
.case-preview__ttl {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.5vw, 36px);
  font-weight: 300;
  letter-spacing: 0.03em;
}
.case-preview__grid {
  max-width: var(--content-w);
  margin: 0 auto 56px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.case-card { background: #fff; overflow: hidden; }
.case-card__img { height: 220px; overflow: hidden; }
.case-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  transition: transform 0.6s ease;
}
.case-card:hover .case-card__photo { transform: scale(1.04); }
.case-card__body { padding: 28px 32px; }
.case-card__type {
  font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 10px;
}
.case-card__ttl {
  font-family: var(--font-serif); font-size: 18px;
  font-weight: 400; margin-bottom: 18px;
}
.case-card__rows { display: flex; flex-direction: column; gap: 10px; }
.case-card__row { display: grid; grid-template-columns: 48px 1fr; gap: 12px; font-size: 13px; line-height: 1.75; }
.case-card__lbl { color: var(--brown); font-size: 11px; padding-top: 2px; }

/* =====================
   Bottom CTA
   ===================== */
.bottom-cta {
  padding: 120px 80px;
  background: linear-gradient(150deg, var(--deep-brown) 0%, var(--soft-black) 100%);
  text-align: center;
}
.bottom-cta__ttl {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.8vw, 40px);
  font-weight: 300;
  text-align: center;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.bottom-cta__sub {
  font-size: 13px; color: rgba(255,255,255,0.55);
  letter-spacing: 0.1em; margin-bottom: 52px;
}

/* =====================
   Footer
   ===================== */
.footer {
  background: var(--black);
  padding: 60px 48px;
  text-align: center;
}
.footer__logo {
  font-family: var(--font-serif); font-size: 16px;
  color: var(--text-light); letter-spacing: 0.14em;
  margin-bottom: 14px; font-weight: 400;
}
.footer__info { font-size: 12px; color: rgba(255,255,255,0.38); line-height: 2.2; }
.footer__copy {
  margin-top: 36px; font-size: 10px;
  color: rgba(255,255,255,0.18); letter-spacing: 0.1em;
}

/* =====================
   Inner Page Hero
   ===================== */
.page-hero {
  padding: 160px 80px 80px;
  min-height: 56vh;
  display: flex; align-items: center;
}
.page-hero--dark  { background: var(--soft-black); }
.page-hero--ivory { background: var(--ivory); }
.page-hero__inner {
  max-width: var(--content-w); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.page-hero__en {
  font-size: 10px; letter-spacing: 0.32em; text-transform: uppercase;
  display: block; margin-bottom: 12px;
}
.page-hero--dark  .page-hero__en { color: var(--gold); }
.page-hero--ivory .page-hero__en { color: var(--brown); }
.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(44px, 6vw, 78px);
  font-weight: 300; letter-spacing: 0.04em; line-height: 1; margin-bottom: 18px;
}
.page-hero--dark  .page-hero__title { color: var(--text-light); }
.page-hero--ivory .page-hero__title { color: var(--text-dark); }
.page-hero__ja {
  font-family: var(--font-serif); font-size: 12px;
  letter-spacing: 0.12em; margin-bottom: 32px;
}
.page-hero--dark  .page-hero__ja { color: rgba(255,255,255,0.38); }
.page-hero--ivory .page-hero__ja { color: rgba(0,0,0,0.3); }
.page-hero__copy {
  font-family: var(--font-serif);
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 300; line-height: 1.8; margin-bottom: 18px; letter-spacing: 0.04em;
}
.page-hero--dark  .page-hero__copy { color: var(--text-light); }
.page-hero--ivory .page-hero__copy { color: var(--text-dark); }
.page-hero__body { font-size: 14px; line-height: 2.1; }
.page-hero--dark  .page-hero__body { color: rgba(255,255,255,0.6); }
.page-hero--ivory .page-hero__body { color: #5A5248; }
.page-hero__art {
  height: 360px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.page-hero--dark  .page-hero__art { background: linear-gradient(155deg, #2A1E14 0%, #1A1510 100%); }
.page-hero--ivory .page-hero__art { background: linear-gradient(155deg, #D0AE88 0%, #8A5A38 100%); }
.page-hero__art--photo { background: none; padding: 0; }
.page-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* =====================
   About Company
   ===================== */
.about-company { background: var(--ivory); padding: 100px 80px; }
.about-company__inner {
  max-width: var(--content-w); margin: 0 auto;
  display: grid; grid-template-columns: 180px 1fr; gap: 80px; align-items: start;
}
.about-company__side-label {
  font-size: 10px; letter-spacing: 0.32em;
  text-transform: uppercase; color: var(--brown); padding-top: 4px;
}
.about-table { width: 100%; border-collapse: collapse; }
.about-table tr { border-bottom: 1px solid var(--warm-gray); }
.about-table td { padding: 20px 0; font-size: 14px; line-height: 1.8; vertical-align: top; }
.about-table td:first-child {
  width: 120px; color: var(--brown);
  font-size: 12px; letter-spacing: 0.05em; padding-right: 32px;
}

/* =====================
   Product Hero
   ===================== */
.prod-hero {
  background: var(--ivory);
  min-height: 54vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 140px 80px 64px;
}
.prod-hero__photo {
  position: absolute;
  top: 0;
  right: 0;
  width: 58%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  display: block;
  pointer-events: none;
}
.prod-hero__content {
  position: relative;
  z-index: 1;
  max-width: 540px;
}
.prod-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(44px, 6vw, 78px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 16px;
  color: var(--text-dark);
}
.prod-hero__ja {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(0,0,0,0.32);
  margin-bottom: 28px;
}
.prod-hero__copy {
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.2vw, 28px);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--text-dark);
}

/* =====================
   Product 4-col Grid
   ===================== */
.prod-page {
  background: var(--ivory);
  padding: 64px 80px 0;
}
.prod-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.prod-col { background: #fff; overflow: hidden; }
.prod-col__img {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.prod-col__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  display: block;
}
.prod-col:hover .prod-col__img img { transform: scale(1.04); }
.prod-col__body { padding: 22px 20px 28px; }
.prod-col__en {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
  color: var(--text-dark);
}
.prod-col__ja {
  font-size: 12px;
  color: var(--brown);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.prod-col__desc {
  font-size: 12px;
  line-height: 1.95;
  color: #5A5248;
  margin-bottom: 20px;
}
.prod-col__link {
  font-size: 12px;
  color: var(--text-dark);
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: color 0.2s;
}
.prod-col__link:hover { color: var(--brown); }

/* =====================
   Makers Section
   ===================== */
.makers {
  background: var(--ivory);
  padding: 80px 80px 88px;
}
.makers__inner {
  max-width: var(--content-w);
  margin: 0 auto;
}
.makers__ttl {
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.2vw, 28px);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 48px;
}
.makers__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.makers__card {
  background: #fff;
  border-radius: 4px;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px;
}
.makers__logo {
  font-size: clamp(14px, 1.4vw, 20px);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #1a1a1a;
  line-height: 1.2;
  text-align: center;
}
.makers__logo--mstyle {
  font-family: 'Georgia', serif;
  font-weight: 400;
  letter-spacing: 0.18em;
}
.makers__logo--tkg {
  font-family: var(--font-sans);
  font-size: clamp(20px, 2vw, 30px);
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0.04em;
}
.makers__logo--nikko {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.2em;
}
.makers__logo--yamaco {
  font-family: var(--font-sans);
  font-weight: 700;
  color: #2a7a3a;
  letter-spacing: 0.1em;
}
.makers__logo--yasuragi {
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.6vw, 22px);
  color: #fff;
}
.makers__logo--yasuragi small {
  font-size: 0.6em;
  letter-spacing: 0.1em;
  font-family: var(--font-sans);
}
.makers__card--yasuragi {
  background: #2a7a3a;
}
.makers__card--yasuragi .makers__logo-sub { color: #a8d8b0; }
.makers__logo-sub {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #888;
  text-align: center;
}
.makers__img {
  width: 75%;
  max-width: 130px;
  height: auto;
  object-fit: contain;
}
.makers__img--lg {
  width: 90%;
  max-width: 160px;
}
.makers__img--sm {
  width: 58%;
  max-width: 100px;
}

@media (max-width: 960px) {
  .makers { padding: 64px 28px; }
  .makers__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .makers__grid { grid-template-columns: repeat(2, 1fr); }
}

/* =====================
   Product Footer CTA
   ===================== */
.prod-footer-cta {
  display: grid;
  grid-template-columns: 260px 1fr auto;
  align-items: center;
  background: #28201A;
  min-height: 220px;
  overflow: hidden;
  margin-top: 64px;
}
.prod-footer-cta__img {
  height: 220px;
  overflow: hidden;
  flex-shrink: 0;
}
.prod-footer-cta__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}
.prod-footer-cta__text { padding: 40px 56px; }
.prod-footer-cta__ttl {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 300;
  color: var(--text-light);
  line-height: 1.65;
  letter-spacing: 0.04em;
  margin-top: 10px;
}
.prod-footer-cta__btns {
  padding: 40px 56px 40px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 260px;
}

/* =====================
   Case Page
   ===================== */
.case-page { background: var(--ivory); padding: 100px 80px; }
.case-page__inner { max-width: var(--content-w); margin: 0 auto; }
.case-list { display: flex; flex-direction: column; gap: 80px; margin-bottom: 80px; }
.case-item { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.case-item:nth-child(even) .case-item__img { order: 2; }
.case-item__img { height: 360px; overflow: hidden; }
.case-item__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  transition: transform 0.6s ease;
}
.case-item:hover .case-item__photo { transform: scale(1.04); }
.case-item__num {
  font-size: 10px; letter-spacing: 0.22em; color: var(--gold); margin-bottom: 14px;
}
.case-item__ttl {
  font-family: var(--font-serif);
  font-size: clamp(19px, 1.9vw, 26px);
  font-weight: 300; line-height: 1.6; margin-bottom: 28px; letter-spacing: 0.03em;
}
.case-item__rows { display: flex; flex-direction: column; }
.case-item__row { padding: 18px 0; border-bottom: 1px solid var(--warm-gray); }
.case-item__row-lbl {
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--brown); margin-bottom: 6px;
}
.case-item__row-txt { font-size: 13px; color: #4A4540; line-height: 1.9; }
.case-item__row-txt--result { color: var(--brown); font-weight: 500; }
.case-note {
  padding: 26px 34px;
  background: rgba(176,138,90,0.07);
  border-left: 2px solid var(--gold);
  font-size: 12px; color: #6A6258; line-height: 1.9;
}

/* =====================
   Contact Page
   ===================== */
.contact-page { background: var(--ivory); padding: 100px 80px; }
.contact-page__inner { max-width: 720px; margin: 0 auto; }
.contact-info {
  margin-bottom: 56px; padding: 32px 36px;
  background: var(--warm-gray);
}
.contact-info__name {
  font-family: var(--font-serif); font-size: 16px;
  font-weight: 400; margin-bottom: 10px;
}
.contact-info__detail { font-size: 13px; color: #5A5248; line-height: 2.2; }
.form-group { margin-bottom: 26px; }
.form-label { display: block; font-size: 12px; letter-spacing: 0.06em; margin-bottom: 8px; }
.form-label .req { color: var(--brown); font-size: 10px; margin-left: 6px; }
.form-input, .form-textarea {
  width: 100%; padding: 13px 14px;
  font-family: var(--font-sans); font-size: 14px;
  background: #fff; border: 1px solid var(--warm-gray);
  color: var(--text-dark); outline: none; border-radius: 0;
  -webkit-appearance: none; transition: border-color 0.2s;
}
.form-input:focus, .form-textarea:focus { border-color: var(--gold); }
.form-textarea { min-height: 160px; resize: vertical; line-height: 1.9; }
.form-submit { text-align: center; margin-top: 8px; }
.btn--submit {
  background: var(--gold); border: none; color: #fff;
  padding: 19px 0; width: 100%; max-width: 340px;
  font-family: var(--font-serif); font-size: 14px;
  letter-spacing: 0.14em; cursor: pointer; transition: background 0.3s;
}
.btn--submit:hover { background: var(--brown); }

/* =====================
   Form Notice (送信後)
   ===================== */
.form-notice {
  text-align: center;
  padding: 64px 0 40px;
}
.form-notice__icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  color: var(--gold);
  font-size: 22px;
}
.form-notice__ttl {
  font-family: var(--font-serif);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.06em; margin-bottom: 14px;
}
.form-notice__msg {
  font-size: 14px; color: #5A5248;
  line-height: 2; margin-bottom: 36px;
}
.form-notice--error .form-notice__icon { border-color: var(--brown); color: var(--brown); }

/* =====================
   Form Steps (3-step flow)
   ===================== */
.form-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 52px;
}
.form-step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.form-step-num {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--warm-gray);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  color: var(--warm-gray);
  font-family: var(--font-serif);
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.form-step-lbl {
  font-size: 11px;
  color: var(--warm-gray);
  letter-spacing: 0.08em;
  transition: color 0.3s;
}
.form-step-item.active .form-step-num {
  border-color: var(--brown);
  background: var(--brown);
  color: #fff;
}
.form-step-item.active .form-step-lbl { color: var(--brown); font-weight: 500; }
.form-step-item.done .form-step-num { border-color: var(--brown); color: var(--brown); }
.form-step-item.done .form-step-lbl { color: var(--brown); }
.form-step-sep {
  width: 64px;
  height: 1px;
  background: var(--warm-gray);
  margin: 0 12px 20px;
}

/* ── Confirmation table ── */
.confirm-lead {
  font-size: 14px;
  color: #5A5248;
  text-align: center;
  margin-bottom: 32px;
  letter-spacing: 0.06em;
}
.confirm-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 48px;
}
.confirm-table th,
.confirm-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--warm-gray);
  font-size: 14px;
  text-align: left;
  line-height: 1.8;
  vertical-align: top;
}
.confirm-table th {
  width: 160px;
  color: var(--brown);
  font-weight: 500;
  font-family: var(--font-serif);
  white-space: nowrap;
}
.confirm-table td { color: var(--text-dark); white-space: pre-wrap; }
.confirm-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Thanks ── */
.thanks-box {
  text-align: center;
  padding: 64px 0 48px;
}
.thanks-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--brown);
  color: #fff;
  font-size: 26px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px;
}
.thanks-ttl {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
  color: var(--text-dark);
}
.thanks-msg {
  font-size: 14px;
  line-height: 2.2;
  color: #5A5248;
  margin-bottom: 40px;
}

/* =====================
   Responsive — Tablet (≤960px)
   ===================== */
@media (max-width: 960px) {

  /* ── Header ── */
  .header { padding: 14px 20px; }
  .nav { display: none; }
  .hamburger { display: flex; }

  /* ── TOP Hero ── */
  .hero { min-height: 100svh; }
  .hero__left { padding: 0 28px 0 28px; max-width: 100%; }
  .hero__copy { font-size: clamp(30px, 7vw, 48px); }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .hero__overlay {
    background: linear-gradient(
      to right,
      rgba(10,8,6,0.88) 0%,
      rgba(10,8,6,0.65) 50%,
      rgba(10,8,6,0.20) 100%
    );
  }

  /* ── Value ── */
  .value { min-height: auto; }
  .value__inner { padding: 72px 28px 80px; }
  .value__text-col { max-width: 100%; }
  .value__overlay {
    background: linear-gradient(
      to bottom,
      rgba(245,241,234,0.97) 0%,
      rgba(245,241,234,0.90) 55%,
      rgba(245,241,234,0.65) 100%
    );
  }
  .value__icons { grid-template-columns: 1fr; border-top-color: rgba(176,138,90,0.25); }
  .value__icon-item {
    padding: 20px 0;
    border-bottom-color: rgba(176,138,90,0.2);
    border-right: none !important;
    padding-right: 0 !important;
    padding-left: 0 !important;
  }

  /* ── Product Preview ── */
  .prod-preview { padding: 72px 24px; }
  .prod-preview__grid { grid-template-columns: 1fr 1fr; }

  /* ── Case Preview ── */
  .case-preview { padding: 72px 24px; }
  .case-preview__grid { grid-template-columns: 1fr; gap: 24px; }

  /* ── Bottom CTA ── */
  .bottom-cta { padding: 72px 28px; }
  .bottom-cta .btn { width: 100%; max-width: 360px; }

  /* ── Footer ── */
  .footer { padding: 48px 24px; }

  /* ── Inner Page Hero ── */
  .page-hero { padding: 120px 24px 48px; min-height: auto; }
  .page-hero__inner { grid-template-columns: 1fr; gap: 28px; }
  .page-hero__art { height: 220px; }
  .page-hero__title { font-size: clamp(44px, 9vw, 72px); }

  /* ── About ── */
  .about-company { padding: 64px 24px; }
  .about-company__inner { grid-template-columns: 1fr; gap: 16px; }
  .about-table td:first-child { width: 100px; padding-right: 20px; }

  /* ── Product Hero ── */
  .prod-hero { padding: 110px 28px 48px; min-height: auto; }
  .prod-hero__photo {
    width: 60%;
    height: 100%;
    opacity: 0.28;
    right: 0; top: 0;
  }

  /* ── Product Grid ── */
  .prod-page { padding: 48px 24px 0; }
  .prod-cols { grid-template-columns: 1fr 1fr; gap: 14px; }

  /* ── Product Footer CTA ── */
  .prod-footer-cta {
    grid-template-columns: 1fr;
    margin-top: 48px;
  }
  .prod-footer-cta__img { height: 200px; }
  .prod-footer-cta__text { padding: 36px 28px 16px; }
  .prod-footer-cta__btns {
    padding: 0 28px 40px;
    min-width: auto;
    flex-direction: column;
    align-items: stretch;
  }
  .prod-footer-cta__btns .btn { width: 100%; justify-content: center; }

  /* ── Case Page ── */
  .case-page { padding: 64px 24px; }
  .case-list { gap: 56px; }
  .case-item { grid-template-columns: 1fr; gap: 28px; }
  .case-item:nth-child(even) .case-item__img { order: 0; }
  .case-item__img { height: 260px; }
  .case-note { padding: 22px 24px; }

  /* ── Contact ── */
  .contact-page { padding: 64px 24px; }
  .contact-info { padding: 24px; }
  .btn--submit { max-width: 100%; }
}

/* =====================
   Responsive — Mobile (≤560px)
   ===================== */
@media (max-width: 560px) {

  /* ── Value icons: 横並び維持 (3列) ── */
  .value__icons {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid rgba(176,138,90,0.25);
  }
  .value__icon-item {
    padding: 16px 8px 16px 0 !important;
    border-bottom: 1px solid rgba(176,138,90,0.2) !important;
  }
  .value__icon-item:not(:last-child) {
    border-right: 1px solid rgba(176,138,90,0.2) !important;
  }
  .value__icon-item + .value__icon-item { padding-left: 8px !important; }
  .value__icon-svg { width: 24px; height: 24px; margin-bottom: 10px; }
  .value__icon-title { font-size: 12px; }
  .value__icon-desc { font-size: 11px; }
  .value__icon-desc br { display: none; }

  /* ── Hero ── */
  .hero__sub { margin-bottom: 32px; }
  .hero__copy { font-size: clamp(28px, 8vw, 40px); }

  /* ── Product preview: 1列 ── */
  .prod-preview__grid { grid-template-columns: 1fr; }

  /* ── Product cols: 1列 ── */
  .prod-cols { grid-template-columns: 1fr; }

  /* ── Headings ── */
  .value__heading { font-size: 26px; }
  .bottom-cta__ttl { font-size: 24px; text-align: center; }

  /* ── Page hero art: 非表示 ── */
  .page-hero__art { display: none; }
  .page-hero__inner { grid-template-columns: 1fr; }

  /* ── Confirm table: 縦積み ── */
  .confirm-table tr { display: block; padding: 12px 0; border-bottom: 1px solid var(--warm-gray); }
  .confirm-table th,
  .confirm-table td { display: block; width: 100%; padding: 4px 0; border-bottom: none; }
  .confirm-table th { font-size: 11px; padding-bottom: 2px; }
  .confirm-actions { flex-direction: column; align-items: stretch; }
  .confirm-actions .btn,
  .confirm-actions .btn--submit { width: 100%; max-width: 100%; text-align: center; justify-content: center; }

  /* ── Makers: 中央揃えflexに変更 ── */
  .makers { padding: 52px 20px; }
  .makers__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
  .makers__card {
    width: calc(50% - 6px);
    aspect-ratio: 1 / 1;
  }

  /* ── About table ── */
  .about-table { font-size: 13px; }
  .about-table td:first-child { width: 80px; }

  /* ── Contact ── */
  .contact-page { padding: 48px 20px; }
  .btn--submit { max-width: 100%; }
}