/* ===== Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --black: #0A0A0A;
  --black-2: #111111;
  --black-3: #1A1A1A;
  --gold: #C9A961;
  --gold-2: #D4AF37;
  --gold-dim: #8a7440;
  --white: #FFFFFF;
  --gray: #B8B8B8;
  --gray-dim: #8a8a8a;
}
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--white);
  font-family: "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.03em;
  overflow-x: hidden;
  position: relative;
}
/* 紙の素材感・フィルムノイズを与える細かいセラグンノイズ（完全フレートの平面感を敲す） */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 200; pointer-events: none;
  opacity: 0.045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: var(--gold); text-decoration: none; transition: opacity 0.3s; }
a:hover { opacity: 0.7; }
img { max-width: 100%; display: block; }

/* ===== Typography ===== */
.serif-en { font-family: "Playfair Display", "Cormorant Garamond", serif; font-weight: 300; letter-spacing: 0.1em; }
.serif-jp { font-family: "Noto Serif JP", serif; font-weight: 300; }
.mono-tag {
  font-family: "Playfair Display", serif;
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
}

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  padding: 24px 48px;
  display: flex; justify-content: space-between; align-items: center;
  background: transparent;
  transition: background 0.4s ease, padding 0.4s ease, border-bottom 0.4s ease;
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  padding: 16px 48px;
  border-bottom: 1px solid rgba(201, 169, 97, 0.15);
}
.header .logo { height: 44px; }
.header .logo img { height: 100%; width: auto; filter: brightness(1.1); }
.nav ul { display: flex; gap: 40px; list-style: none; }
.nav a {
  color: var(--white);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: none;
  position: relative;
  padding: 8px 0;
}
.nav a:nth-child(1),
.nav li:first-child a { }
.nav a::before {
  content: attr(data-idx); margin-right: 6px; color: var(--gold-dim); font-family: "Playfair Display", serif; font-size: 0.7rem;
}
.nav a::after {
  content: ""; position: absolute; bottom: 0; left: 50%;
  width: 0; height: 1px; background: var(--gold);
  transition: width 0.3s, left 0.3s;
}
.nav a:hover::after, .nav a.active::after { width: 100%; left: 0; }
.nav a:hover { color: var(--gold); opacity: 1; }

.menu-toggle { display: none; background: none; border: none; color: var(--gold); font-size: 1.5rem; cursor: pointer; }

/* ===== Hero ===== */
.hero {
  position: relative; height: 100vh; min-height: 720px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(0.55) contrast(1.05);
  transform: scale(1.05);
  animation: heroZoom 20s ease-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.15); } }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(4,4,4,0.97) 0%, rgba(4,4,4,0.88) 32%, rgba(4,4,4,0.45) 58%, rgba(4,4,4,0.2) 100%);
}
.hero { justify-content: flex-start; }
.hero-content {
  position: relative; z-index: 2; text-align: left; padding: 0 8vw;
  max-width: 900px; width: 100%;
}
.hero-content .mono-tag { margin-bottom: 20px; display: block; opacity: 1; }
.hero-content h1 {
  font-family: "Playfair Display", serif; font-weight: 400;
  font-size: clamp(3.2rem, 11vw, 7.5rem);
  color: var(--gold);
  letter-spacing: 0.02em;
  line-height: 0.95;
  margin-bottom: 28px;
  position: relative;
  text-shadow: 0 4px 30px rgba(0,0,0,0.6);
  opacity: 1;
}
.hero-content h1::after {
  content: "感謝という礎"; position: absolute; top: -0.42em; left: 0.03em;
  font-family: "Noto Serif JP", serif; font-size: 0.15em; color: var(--gray);
  letter-spacing: 0.5em; font-weight: 300;
}
.hero-content .divider {
  width: 90px; height: 1px; background: var(--gold); margin: 0 0 28px;
  opacity: 1;
}
.hero-content .catch {
  font-family: "Noto Serif JP", serif; font-weight: 400;
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  letter-spacing: 0.12em;
  color: var(--white);
  margin-bottom: 16px;
  max-width: 560px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.7);
  opacity: 1;
}
.hero-content .sub {
  font-family: "Noto Sans JP", sans-serif; font-weight: 400;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--gray);
  text-shadow: 0 2px 12px rgba(0,0,0,0.8);
  opacity: 1;
}
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  color: var(--gold); font-size: 0.7rem; letter-spacing: 0.4em;
  writing-mode: vertical-rl;
  z-index: 2;
  animation: scrollHint 2s ease-in-out infinite;
}
@keyframes scrollHint {
  0%,100% { opacity: 0.4; transform: translate(-50%, 0); }
  50% { opacity: 1; transform: translate(-50%, 8px); }
}

/* ===== Page Hero (non-home) ===== */
.page-hero {
  padding: 200px 24px 100px;
  text-align: center;
  background: linear-gradient(180deg, #111 0%, var(--black) 100%);
  border-bottom: 1px solid rgba(201,169,97,0.2);
}
.page-hero .mono-tag { display: block; margin-bottom: 20px; }
.page-hero h1 {
  font-family: "Playfair Display", serif; font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--gold);
  letter-spacing: 0.15em;
}
.page-hero .jp {
  font-family: "Noto Serif JP", serif;
  font-size: 1rem;
  color: var(--gray);
  letter-spacing: 0.3em;
  margin-top: 12px;
}

/* ===== Sections ===== */
.section { padding: 120px 48px; position: relative; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-heading {
  text-align: left; margin-bottom: 90px;
  display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 40px;
  border-bottom: 1px solid rgba(201,169,97,0.15); padding-bottom: 32px;
}
.section-heading .mono-tag { display: block; margin-bottom: 16px; }
.section-heading h2 {
  font-family: "Playfair Display", serif; font-weight: 300;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--gold);
  letter-spacing: 0.05em;
}
.section-heading .jp {
  font-family: "Noto Serif JP", serif;
  font-size: 0.95rem;
  color: var(--gray);
  letter-spacing: 0.2em;
  margin-top: 10px;
}
.section-heading .idx-num {
  font-family: "Playfair Display", serif; font-size: 4.5rem; font-weight: 300;
  color: rgba(201,169,97,0.12); line-height: 1; align-self: end;
}
@media (max-width: 900px) { .section-heading { grid-template-columns: 1fr; } .section-heading .idx-num { display:none; } }

/* プログレビューす・エンハンスメント：デフォルトは常に表示。JSが動いていればjs-readyクラスと組み合わせてフェードイン、動かない/エラー時も必ずコンテンツは見える。 */
.reveal { opacity: 1; transform: translateY(0); transition: opacity 0.9s, transform 0.9s; }
html.js-reveal-ready .reveal { opacity: 0; transform: translateY(40px); }
html.js-reveal-ready .reveal.in { opacity: 1; transform: translateY(0); }

/* ===== About Preview (Home) ===== */
.about-preview { background: var(--black); }
.about-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 90px; align-items: start; }
.about-grid .txt { padding-top: 40px; }
.about-grid .txt p { color: var(--gray); margin-bottom: 20px; font-size: 1.05rem; line-height: 2; max-width: 460px; }
.about-grid .img { position: relative; margin-left: -40px; }
.about-grid .img img { border: 1px solid rgba(201,169,97,0.3); filter: grayscale(0.15) contrast(1.05); }
.about-grid .img::before {
  content: ""; position: absolute; top: 24px; left: -24px;
  width: 100%; height: 100%; border: 1px solid var(--gold); z-index: -1;
}
@media (max-width: 900px) { .about-grid .img { margin-left: 0; } }

/* ===== Business Cards ===== */
.business-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px 32px; }
.biz-card {
  background: var(--black-2);
  border: 1px solid rgba(201,169,97,0.15);
  overflow: hidden;
  position: relative;
  transition: border-color 0.4s, transform 0.4s;
}
.biz-card:nth-child(2) { margin-top: 48px; }
.biz-card:nth-child(4) { margin-top: -48px; }
@media (max-width: 900px) { .biz-card:nth-child(2), .biz-card:nth-child(4) { margin-top: 0; } }
.biz-card:hover { border-color: var(--gold); transform: translateY(-6px); }
.biz-card .num {
  position: absolute; top: 24px; right: 32px;
  font-family: "Playfair Display", serif; font-size: 3rem;
  color: rgba(201,169,97,0.25); letter-spacing: 0.05em;
}
.biz-card .img {
  height: 260px; overflow: hidden; position: relative;
}
.biz-card .img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,10,10,0.9) 100%);
}
.biz-card .img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s;
}
.biz-card:hover .img img { transform: scale(1.08); }
.biz-card .body { padding: 32px 40px 40px; }
.biz-card .en {
  font-family: "Playfair Display", serif; font-size: 1.4rem;
  color: var(--gold); letter-spacing: 0.15em; margin-bottom: 6px;
}
.biz-card .jp {
  font-family: "Noto Serif JP", serif; font-size: 1rem;
  color: var(--white); margin-bottom: 20px; letter-spacing: 0.15em;
}
.biz-card .divider-thin { width: 30px; height: 1px; background: var(--gold); margin-bottom: 20px; }
.biz-card p { color: var(--gray); font-size: 0.9rem; line-height: 1.9; }
.biz-card .more {
  display: inline-block; margin-top: 24px;
  font-family: "Playfair Display", serif; font-size: 0.75rem;
  letter-spacing: 0.3em; color: var(--gold); text-transform: uppercase;
  border-bottom: 1px solid var(--gold); padding-bottom: 4px;
}

/* ===== News ===== */
.news-list { max-width: 900px; margin: 0 auto; }
.news-item {
  display: grid; grid-template-columns: 140px 160px 1fr;
  gap: 32px; padding: 28px 0;
  border-bottom: 1px solid rgba(201,169,97,0.15);
  align-items: center;
}
.news-item .date {
  font-family: "Playfair Display", serif; color: var(--gold);
  letter-spacing: 0.15em; font-size: 0.95rem;
}
.news-item .cat {
  font-family: "Playfair Display", serif; font-size: 0.7rem;
  letter-spacing: 0.2em; color: var(--gold);
  border: 1px solid var(--gold-dim); padding: 6px 14px;
  text-align: center; text-transform: uppercase;
}
.news-item .title { color: var(--white); font-size: 0.95rem; }
.news-item:hover .title { color: var(--gold); }

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(180deg, var(--black) 0%, #050505 100%);
  text-align: left; padding: 140px 8vw;
  border-top: 1px solid rgba(201,169,97,0.15);
  position: relative;
}
.cta-section::before {
  content: "05"; position: absolute; top: 60px; right: 8vw;
  font-family: "Playfair Display", serif; font-size: 5rem; color: rgba(201,169,97,0.1);
}
.cta-section h2 {
  font-family: "Playfair Display", serif; font-weight: 300;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--gold); letter-spacing: 0.05em; margin-bottom: 20px; max-width: 640px;
}
.cta-section p { color: var(--gray); margin-bottom: 40px; max-width: 480px; }
.btn {
  display: inline-block;
  font-family: "Playfair Display", serif;
  font-size: 0.8rem; letter-spacing: 0.4em;
  color: var(--gold); text-transform: uppercase;
  padding: 20px 56px;
  border: 1px solid var(--gold);
  transition: background 0.4s, color 0.4s;
}
.btn:hover { background: var(--gold); color: var(--black); opacity: 1; }

/* ===== Footer ===== */
.footer {
  background: #050505;
  padding: 80px 48px 30px;
  border-top: 1px solid rgba(201,169,97,0.2);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px; max-width: 1200px; margin: 0 auto 60px;
}
.footer .brand img { height: 100px; margin-bottom: 24px; }
.footer .brand p { color: var(--gray); font-size: 0.85rem; line-height: 2; }
.footer h4 {
  font-family: "Playfair Display", serif; font-weight: 400;
  color: var(--gold); letter-spacing: 0.25em; font-size: 0.8rem;
  margin-bottom: 20px; text-transform: uppercase;
}
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 12px; }
.footer ul a { color: var(--gray); font-size: 0.85rem; }
.footer ul a:hover { color: var(--gold); }
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  padding-top: 30px; border-top: 1px solid rgba(201,169,97,0.1);
  display: flex; justify-content: space-between; align-items: center;
  color: var(--gray-dim); font-size: 0.75rem; letter-spacing: 0.1em;
}
.footer-bottom span:last-child { font-family: "Playfair Display", serif; letter-spacing: 0.25em; opacity: 0.6; }

/* ===== About Page ===== */
.message-section { padding: 140px 48px; background: var(--black-2); }
.message-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.message-section .ceo-name {
  font-family: "Noto Serif JP", serif; color: var(--gold);
  letter-spacing: 0.3em; margin-top: 40px;
}
.message-section .ceo-title {
  font-family: "Playfair Display", serif; font-size: 0.75rem;
  letter-spacing: 0.4em; color: var(--gray); margin-top: 6px;
}
.message-section p {
  color: var(--gray); font-size: 1.05rem; line-height: 2.2;
  text-align: left; margin-bottom: 24px;
  font-family: "Noto Serif JP", serif; font-weight: 300;
}

.company-table { max-width: 900px; margin: 0 auto; }
.company-table dl {
  display: grid; grid-template-columns: 200px 1fr;
  border-bottom: 1px solid rgba(201,169,97,0.15);
  padding: 24px 0;
}
.company-table dt {
  font-family: "Playfair Display", serif; color: var(--gold);
  letter-spacing: 0.2em; font-size: 0.8rem;
}
.company-table dd { color: var(--white); font-size: 0.95rem; }
.company-table dd small { display: block; color: var(--gray); font-size: 0.8rem; margin-top: 6px; }

/* ===== Timeline ===== */
.timeline { max-width: 900px; margin: 0 auto; position: relative; padding-left: 40px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 0; bottom: 0;
  width: 1px; background: rgba(201,169,97,0.3);
}
.tl-item { position: relative; padding-bottom: 50px; }
.tl-item::before {
  content: ""; position: absolute; left: -37px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold); border: 3px solid var(--black-2);
  box-shadow: 0 0 0 1px var(--gold);
}
.tl-item .year {
  font-family: "Playfair Display", serif; color: var(--gold);
  letter-spacing: 0.15em; font-size: 1.2rem; margin-bottom: 8px;
}
.tl-item .txt { color: var(--gray); font-size: 0.95rem; }

/* ===== Values ===== */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card {
  padding: 40px 24px; text-align: center;
  border: 1px solid rgba(201,169,97,0.2);
  transition: border-color 0.4s, transform 0.4s;
}
.value-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.value-card .num {
  font-family: "Playfair Display", serif; color: var(--gold);
  font-size: 0.85rem; letter-spacing: 0.3em; margin-bottom: 20px;
}
.value-card .en {
  font-family: "Playfair Display", serif; color: var(--gold);
  font-size: 1.5rem; letter-spacing: 0.15em; margin-bottom: 10px;
}
.value-card .jp {
  font-family: "Noto Serif JP", serif; color: var(--white);
  font-size: 0.9rem; letter-spacing: 0.2em; margin-bottom: 20px;
}
.value-card p { color: var(--gray); font-size: 0.85rem; line-height: 1.9; }

.emblem-decor { text-align: center; margin: 80px 0; }
.emblem-decor img { display: inline-block; max-width: 280px; opacity: 0.9; }

/* ===== Business Detail ===== */
.biz-section {
  padding: 120px 48px;
  border-bottom: 1px solid rgba(201,169,97,0.15);
}
.biz-section:nth-child(even) { background: var(--black-2); }
.biz-detail { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.biz-detail.reverse .txt { order: 2; }
.biz-detail .num-big {
  font-family: "Playfair Display", serif; font-size: 5rem;
  color: rgba(201,169,97,0.2); line-height: 1; margin-bottom: 24px;
}
.biz-detail .en-head {
  font-family: "Playfair Display", serif; font-size: 2.4rem;
  color: var(--gold); letter-spacing: 0.1em; margin-bottom: 8px;
}
.biz-detail .jp-head {
  font-family: "Noto Serif JP", serif; font-size: 1.2rem;
  letter-spacing: 0.2em; margin-bottom: 32px; color: var(--white);
}
.biz-detail .lead {
  font-family: "Noto Serif JP", serif; font-size: 1.05rem;
  color: var(--gray); line-height: 2; margin-bottom: 32px;
}
.biz-detail ul { list-style: none; margin-bottom: 32px; }
.biz-detail ul li {
  padding: 14px 0; border-bottom: 1px solid rgba(201,169,97,0.1);
  color: var(--white); font-size: 0.95rem;
  padding-left: 24px; position: relative;
}
.biz-detail ul li::before {
  content: "◆"; position: absolute; left: 0; color: var(--gold); font-size: 0.6rem; top: 20px;
}
.biz-detail .img-wrap { position: relative; }
.biz-detail .img-wrap::before {
  content: ""; position: absolute; top: -20px; left: -20px;
  width: 100%; height: 100%; border: 1px solid var(--gold); z-index: 0;
}
.biz-detail .img-wrap img { position: relative; z-index: 1; border: 1px solid rgba(201,169,97,0.3); width: 100%; height: 500px; object-fit: cover; }

/* Ramen shop card */
.shop-card {
  margin-top: 32px; padding: 32px;
  border: 1px solid var(--gold-dim);
  background: rgba(0,0,0,0.4);
}
.shop-card h4 {
  font-family: "Noto Serif JP", serif; color: var(--gold);
  font-size: 1.2rem; letter-spacing: 0.15em; margin-bottom: 20px;
  border-bottom: 1px solid rgba(201,169,97,0.2); padding-bottom: 16px;
}
.shop-card dl { display: grid; grid-template-columns: 100px 1fr; gap: 12px 20px; font-size: 0.9rem; }
.shop-card dt { color: var(--gold); font-family: "Playfair Display", serif; letter-spacing: 0.15em; font-size: 0.8rem; }
.shop-card dd { color: var(--gray); }
.shop-card .actions { display: flex; gap: 16px; margin-top: 24px; }
.shop-card .actions a {
  flex: 1; text-align: center; padding: 14px;
  border: 1px solid var(--gold); font-family: "Playfair Display", serif;
  font-size: 0.75rem; letter-spacing: 0.25em; text-transform: uppercase;
}
.shop-card .actions a:hover { background: var(--gold); color: var(--black); opacity: 1; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; max-width: 1200px; margin: 0 auto; }
.contact-info h3 {
  font-family: "Playfair Display", serif; color: var(--gold);
  font-size: 1.6rem; letter-spacing: 0.15em; margin-bottom: 24px;
}
.contact-info .info-block { margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(201,169,97,0.15); }
.contact-info .info-block h4 {
  font-family: "Playfair Display", serif; color: var(--gold);
  font-size: 0.85rem; letter-spacing: 0.3em; margin-bottom: 14px; text-transform: uppercase;
}
.contact-info .info-block p { color: var(--gray); line-height: 2; font-size: 0.95rem; }

.contact-form { padding: 40px; background: var(--black-2); border: 1px solid rgba(201,169,97,0.2); }
.contact-form .field { margin-bottom: 24px; }
.contact-form label {
  display: block; font-family: "Playfair Display", serif;
  color: var(--gold); font-size: 0.75rem; letter-spacing: 0.25em;
  text-transform: uppercase; margin-bottom: 10px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%; padding: 14px 16px;
  background: var(--black); color: var(--white);
  border: 1px solid rgba(201,169,97,0.3);
  font-family: "Noto Sans JP", sans-serif; font-size: 0.95rem;
  transition: border-color 0.3s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { outline: none; border-color: var(--gold); }
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form .submit {
  width: 100%; padding: 18px; background: transparent;
  border: 1px solid var(--gold); color: var(--gold);
  font-family: "Playfair Display", serif; font-size: 0.85rem;
  letter-spacing: 0.35em; text-transform: uppercase; cursor: pointer;
  transition: background 0.4s, color 0.4s;
}
.contact-form .submit:hover { background: var(--gold); color: var(--black); }
.form-note { color: var(--gray); font-size: 0.8rem; margin-top: 12px; }

/* ===== Business Preview (Home) ===== */
.biz-preview-section { background: var(--black-2); }

/* ===== News page ===== */
.news-full { max-width: 900px; margin: 0 auto; }
.news-full .news-item { grid-template-columns: 140px 160px 1fr; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .header { padding: 16px 20px; }
  .header.scrolled { padding: 12px 20px; }
  .header .logo { height: 36px; }
  .menu-toggle { display: block; }
  .nav {
    position: fixed; top: 70px; right: 0;
    background: rgba(10,10,10,0.98);
    width: 260px; height: calc(100vh - 70px);
    transform: translateX(100%); transition: transform 0.4s;
    padding: 40px 32px; border-left: 1px solid rgba(201,169,97,0.2);
  }
  .nav.open { transform: translateX(0); }
  .nav ul { flex-direction: column; gap: 24px; }
  .section { padding: 80px 20px; }
  .about-grid, .business-grid, .contact-grid, .biz-detail, .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .biz-detail.reverse .txt { order: 0; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .news-item { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .news-item .cat { justify-self: start; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .biz-section { padding: 80px 20px; }
  .biz-detail .img-wrap img { height: 280px; }
}