/* ========================================
   SALON LP - ベージュ×ブロンズ ラグジュアリー
   ======================================== */

:root {
  /* Colors */
  --c-bg: #FAF7F2;
  --c-bg-2: #F2EBE0;
  --c-bg-3: #E8DFD0;
  --c-bronze: #8B6F47;
  --c-bronze-d: #6B5535;
  --c-bronze-l: #A88862;
  --c-brown: #3D2E1F;
  --c-brown-2: #2A1E12;
  --c-gold: #C9A961;
  --c-gold-l: #DCC288;
  --c-white: #FFFFFF;
  --c-text: #3D2E1F;
  --c-text-sub: #6B5535;
  --c-line: rgba(139, 111, 71, 0.18);
  --c-line-2: rgba(139, 111, 71, 0.35);

  /* Typography */
  --ff-serif: "Noto Serif JP", "Times New Roman", serif;
  --ff-sans: "Noto Sans JP", "Hiragino Sans", "ヒラギノ角ゴシック", sans-serif;
  --ff-display: "Cormorant Garamond", "Noto Serif JP", serif;

  /* Layout */
  --container: 1200px;
  --container-narrow: 880px;
  --nav-h: 76px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .2s; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
em { font-style: normal; color: var(--c-bronze); }

/* Container */
.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; position: relative; }
.container--narrow { max-width: var(--container-narrow); }

/* ====== NAV ====== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: transparent;
  transition: all .4s;
}
.nav.is-scrolled {
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-line);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo { display: flex; align-items: center; gap: 12px; }
.nav__logo-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  font-family: var(--ff-display); font-size: 22px; font-weight: 500; font-style: italic;
  color: var(--c-bg);
  background: linear-gradient(135deg, var(--c-bronze), var(--c-brown));
  border-radius: 50%;
  letter-spacing: -0.02em;
  border: 1px solid var(--c-gold);
}
.nav__logo-text {
  font-family: var(--ff-display);
  font-size: 18px; font-weight: 500; letter-spacing: 0.04em;
  color: var(--c-bg);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
  transition: color .4s, text-shadow .4s;
}
.nav.is-scrolled .nav__logo-text { color: var(--c-brown); text-shadow: none; }
.nav__menu { display: flex; align-items: center; gap: 28px; }
.nav__menu a {
  font-size: 13px; font-weight: 500; letter-spacing: 0.05em;
  color: rgba(250, 247, 242, 0.85);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
  position: relative;
  transition: color .4s, text-shadow .4s;
}
.nav.is-scrolled .nav__menu a {
  color: var(--c-text-sub);
  text-shadow: none;
}
.nav__menu a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1px; background: var(--c-gold);
  transform: scaleX(0); transform-origin: right;
  transition: transform .3s;
}
.nav.is-scrolled .nav__menu a:not(.nav__cta)::after { background: var(--c-bronze); }
.nav__menu a:not(.nav__cta):hover::after { transform: scaleX(1); transform-origin: left; }
.nav__cta {
  padding: 11px 22px;
  background: rgba(20, 14, 8, 0.4);
  color: var(--c-bg) !important;
  text-shadow: none !important;
  border-radius: 999px;
  border: 1px solid var(--c-gold);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all .3s;
  display: inline-flex; align-items: center; gap: 8px;
}
.nav__cta::after { display: none !important; }
.nav__cta:hover { background: var(--c-gold); color: var(--c-brown) !important; border-color: var(--c-gold); }
.nav.is-scrolled .nav__cta {
  background: var(--c-brown);
  border-color: var(--c-brown);
}
.nav.is-scrolled .nav__cta:hover { background: var(--c-bronze); border-color: var(--c-bronze); }
.nav__toggle { display: none; width: 32px; height: 32px; flex-direction: column; justify-content: center; gap: 5px; }
.nav__toggle span { display: block; width: 24px; height: 1.5px; background: var(--c-bg); transition: all .3s; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3); }
.nav.is-scrolled .nav__toggle span { background: var(--c-brown); box-shadow: none; }

/* ====== HERO (歯科LPと同じフルスクリーン構造) ====== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  width: 100%;
  overflow: hidden;
  color: var(--c-bg);
  isolation: isolate;
}

/* 背景画像 */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero__bg picture,
.hero__bg img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 40%;
}

/* オーバーレイ（左暗→右明） */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg,
      rgba(20, 14, 8, 0.85) 0%,
      rgba(42, 30, 18, 0.65) 30%,
      rgba(42, 30, 18, 0.35) 55%,
      rgba(42, 30, 18, 0.15) 75%,
      rgba(42, 30, 18, 0.1) 100%
    ),
    linear-gradient(180deg, rgba(20, 14, 8, 0.4) 0%, transparent 30%, transparent 70%, rgba(20, 14, 8, 0.5) 100%);
}

/* テキストコンテナ */
.hero__container {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 80px) 32px 200px;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 720px;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeUp 1s 0.3s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes heroFadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* eyebrowタグ */
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--ff-display);
  font-size: 13px;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-gold-l);
  margin-bottom: 36px;
}
.hero__tag::before,
.hero__tag::after {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--c-gold);
}

/* メインタイトル */
.hero__title {
  font-family: var(--ff-serif);
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--c-bg);
  margin-bottom: 32px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.4);
  word-break: keep-all;
  overflow-wrap: break-word;
}
.hero__title em {
  font-style: italic;
  font-weight: 500;
  background: linear-gradient(120deg, var(--c-gold-l) 0%, var(--c-gold) 50%, #B8923A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0 0.05em;
}
.hero__title-en {
  display: block;
  margin-top: 24px;
  font-family: var(--ff-display);
  font-size: clamp(15px, 1.4vw, 19px);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(250, 247, 242, 0.85);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

/* リード */
.hero__lead {
  font-size: 14px;
  line-height: 2;
  color: rgba(250, 247, 242, 0.9);
  margin-bottom: 44px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
  max-width: 560px;
}

/* アクション */
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* 数字カード（右下浮かせ） */
.hero__numbers {
  position: absolute;
  right: 32px;
  bottom: 56px;
  z-index: 3;
  display: flex;
  gap: 16px;
  opacity: 0;
  animation: heroFadeUp 1s 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.num-card {
  position: relative;
  background: var(--c-bg);
  padding: 22px 28px 20px;
  min-width: 200px;
  box-shadow: 0 24px 48px -16px rgba(0, 0, 0, 0.35);
  border-radius: 2px;
}
.num-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 56px; height: 2px;
  background: var(--c-gold);
}
.num-card__label {
  font-family: var(--ff-display);
  font-size: 10px;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-bronze);
  margin-bottom: 10px;
  margin-top: 8px;
}
.num-card__value {
  font-family: var(--ff-display);
  font-size: 44px;
  font-weight: 500;
  line-height: 1;
  color: var(--c-bronze-d);
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.num-card__value small {
  font-size: 24px;
  font-weight: 400;
  color: var(--c-bronze);
}
.num-card__caption {
  font-size: 11px;
  line-height: 1.6;
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
}

/* スクロールヒント */
.hero__scroll {
  position: absolute;
  left: 32px;
  bottom: 32px;
  z-index: 3;
  font-family: var(--ff-display);
  font-size: 11px;
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-gold-l);
  writing-mode: vertical-rl;
  padding-top: 56px;
}
.hero__scroll::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, transparent, var(--c-gold-l));
  animation: scrollDown 2.2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: translate(-50%, 0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translate(-50%, 56px); opacity: 0; }
}

/* ====== BUTTONS ====== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px;
  font-size: 14px; font-weight: 500; letter-spacing: 0.05em;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all .3s;
  cursor: pointer;
}
.btn--lg { padding: 20px 40px; font-size: 15px; }
.btn--primary {
  background: linear-gradient(135deg, var(--c-brown), var(--c-bronze-d));
  color: var(--c-bg);
  position: relative;
  overflow: hidden;
}
.btn--primary::before {
  content: "";
  position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(220, 194, 136, 0.4), transparent);
  transition: left .6s;
}
.btn--primary:hover::before { left: 100%; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -8px rgba(61, 46, 31, 0.4); }
.btn--ghost {
  border-color: var(--c-bronze);
  color: var(--c-bronze);
}
.btn--ghost:hover { background: var(--c-bronze); color: var(--c-bg); }
.btn--ghost-light {
  border-color: rgba(250, 247, 242, 0.6);
  color: var(--c-bg);
  background: rgba(20, 14, 8, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--ghost-light:hover { background: var(--c-gold); color: var(--c-brown); border-color: var(--c-gold); }

/* ====== SECTION HEAD ====== */
.section-head { margin-bottom: 72px; max-width: 780px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head__eyebrow {
  font-family: var(--ff-display);
  font-size: 12px; font-style: italic;
  color: var(--c-bronze);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: inline-flex; align-items: center; gap: 14px;
}
.section-head--center .section-head__eyebrow {
  display: inline-flex;
}
.section-head__eyebrow::before {
  content: ""; width: 30px; height: 1px; background: var(--c-bronze);
}
.section-head__title {
  font-family: var(--ff-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.4;
  color: var(--c-brown);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.section-head--light .section-head__title { color: var(--c-bg); }
.section-head--light .section-head__eyebrow { color: var(--c-gold-l); }
.section-head--light .section-head__eyebrow::before { background: var(--c-gold-l); }
.section-head--light .section-head__lead { color: rgba(250, 247, 242, 0.85); }
.section-head__lead {
  font-size: 15px; line-height: 2; color: var(--c-text-sub);
}

/* ====== PROBLEM ====== */
.problem { padding: 140px 0; background: var(--c-bg-2); position: relative; }
.problem::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-line-2), transparent);
}
.problem__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px;
}
.problem__card {
  background: var(--c-bg);
  padding: 48px 40px;
  border: 1px solid var(--c-line);
  position: relative;
  transition: all .4s;
}
.problem__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 40px -16px rgba(61, 46, 31, 0.18);
  border-color: var(--c-bronze);
}
.problem__num {
  font-family: var(--ff-display);
  font-size: 56px; font-weight: 300; font-style: italic;
  color: var(--c-gold);
  line-height: 1; margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.problem__card h3 {
  font-family: var(--ff-serif);
  font-size: 22px; font-weight: 500;
  line-height: 1.5;
  color: var(--c-brown);
  margin-bottom: 16px;
}
.problem__card p {
  font-size: 14px; line-height: 1.9; color: var(--c-text-sub);
}

/* ====== SOLUTION ====== */
.solution { padding: 140px 0; background: var(--c-bg); }
.solution__flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 24px; align-items: center;
}
.solution__step {
  text-align: center;
  padding: 40px 24px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  position: relative;
  transition: all .4s;
}
.solution__step:hover {
  background: var(--c-bg);
  border-color: var(--c-bronze);
  transform: translateY(-4px);
}
.solution__step-no {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: 12px; font-style: italic;
  color: var(--c-bronze);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  padding: 4px 12px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 999px;
}
.solution__step h3 {
  font-family: var(--ff-serif);
  font-size: 24px; font-weight: 500;
  color: var(--c-brown);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.solution__step p {
  font-size: 13px; line-height: 1.7; color: var(--c-text-sub);
}
.solution__arrow {
  font-family: var(--ff-serif);
  font-size: 24px; color: var(--c-bronze);
  text-align: center;
}

/* ====== CASE (FEATURED) ====== */
.case {
  padding: 140px 0;
  background: var(--c-brown);
  color: var(--c-bg);
  position: relative;
  overflow: hidden;
}
.case__bg {
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 80vh;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.15), transparent 60%);
  filter: blur(80px);
  pointer-events: none;
}
.case .container { position: relative; z-index: 1; }
.case__main {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px;
  align-items: start; margin-bottom: 120px;
}
.case__visual { position: sticky; top: 100px; }
.case__visual-frame {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--c-bronze), var(--c-brown-2));
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(220, 194, 136, 0.3);
}
.case__visual-img {
  width: 100%; height: 100%;
  background:
    linear-gradient(135deg, rgba(201, 169, 97, 0.2), transparent),
    radial-gradient(ellipse at 50% 40%, rgba(220, 194, 136, 0.3), transparent 60%),
    linear-gradient(180deg, #5a4528, #2a1e12);
  position: relative;
}
.case__visual-img::after {
  content: "Head Spa";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--ff-display);
  font-size: 56px; font-style: italic; font-weight: 300;
  color: var(--c-gold-l);
  letter-spacing: 0.1em;
  text-shadow: 0 4px 24px rgba(0,0,0,0.5);
}
.case__visual-sub {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-top: 12px;
}
.case__visual-sub-img {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--c-bronze), var(--c-brown-2));
  border: 1px solid rgba(220, 194, 136, 0.2);
}
.case__visual-sub-img--1 {
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.3), rgba(61, 46, 31, 0.8)),
              radial-gradient(circle at 30% 30%, rgba(220, 194, 136, 0.4), transparent 60%);
}
.case__visual-sub-img--2 {
  background: linear-gradient(45deg, rgba(139, 111, 71, 0.6), rgba(42, 30, 18, 0.9)),
              radial-gradient(circle at 70% 50%, rgba(201, 169, 97, 0.3), transparent 60%);
}

.case__content { padding-top: 20px; }
.case__label {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: 11px; font-style: italic;
  color: var(--c-gold-l);
  letter-spacing: 0.25em;
  padding: 6px 16px;
  border: 1px solid var(--c-gold);
  border-radius: 999px;
  margin-bottom: 24px;
}
.case__title {
  font-family: var(--ff-serif);
  font-size: clamp(36px, 4vw, 52px); font-weight: 500;
  line-height: 1.2;
  color: var(--c-bg);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.case__title span {
  display: block;
  font-size: 15px;
  font-weight: 400;
  color: var(--c-gold-l);
  letter-spacing: 0.15em;
  margin-top: 8px;
}
.case__desc {
  font-size: 15px; line-height: 2;
  color: rgba(250, 247, 242, 0.85);
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(220, 194, 136, 0.2);
}
.case__list { display: flex; flex-direction: column; gap: 28px; margin-bottom: 40px; }
.case__list li { display: flex; gap: 20px; }
.case__list-no {
  flex-shrink: 0;
  font-family: var(--ff-display);
  font-size: 13px; font-style: italic;
  color: var(--c-gold);
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--c-gold);
  border-radius: 50%;
  letter-spacing: 0.05em;
}
.case__list h4 {
  font-family: var(--ff-serif);
  font-size: 17px; font-weight: 500;
  color: var(--c-bg);
  margin-bottom: 6px;
}
.case__list p {
  font-size: 13px; line-height: 1.8;
  color: rgba(250, 247, 242, 0.75);
}
.case__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case__tags span {
  font-size: 11px; letter-spacing: 0.1em;
  padding: 5px 14px;
  background: rgba(220, 194, 136, 0.1);
  border: 1px solid rgba(220, 194, 136, 0.25);
  color: var(--c-gold-l);
  border-radius: 999px;
}

.case__others { padding-top: 80px; border-top: 1px solid rgba(220, 194, 136, 0.2); }
.case__others-title {
  font-family: var(--ff-serif);
  font-size: 24px; font-weight: 500;
  color: var(--c-gold-l);
  margin-bottom: 40px;
  text-align: center;
  letter-spacing: 0.08em;
}
.case__others-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.case__other-card {
  background: rgba(250, 247, 242, 0.04);
  border: 1px solid rgba(220, 194, 136, 0.15);
  padding: 32px;
  transition: all .4s;
}
.case__other-card:hover {
  background: rgba(250, 247, 242, 0.08);
  border-color: var(--c-gold);
  transform: translateY(-4px);
}
.case__other-img {
  aspect-ratio: 16/10;
  margin: -32px -32px 24px;
  position: relative;
}
.case__other-img--1 { background: linear-gradient(135deg, #8b6f47, #3d2e1f), radial-gradient(circle at 30% 30%, rgba(220, 194, 136, 0.3), transparent); }
.case__other-img--2 { background: linear-gradient(135deg, #6b5535, #2a1e12), radial-gradient(circle at 70% 30%, rgba(201, 169, 97, 0.3), transparent); }
.case__other-img--3 { background: linear-gradient(135deg, #a88862, #5a4528), radial-gradient(circle at 50% 50%, rgba(220, 194, 136, 0.3), transparent); }
.case__other-card span {
  display: inline-block;
  font-size: 10px; letter-spacing: 0.2em;
  color: var(--c-gold);
  margin-bottom: 12px;
  font-family: var(--ff-display); font-style: italic;
}
.case__other-card h4 {
  font-family: var(--ff-serif);
  font-size: 18px; font-weight: 500;
  color: var(--c-bg);
  margin-bottom: 10px;
  line-height: 1.4;
}
.case__other-card p {
  font-size: 12px; line-height: 1.8;
  color: rgba(250, 247, 242, 0.7);
}

/* ====== FEATURES ====== */
.features { padding: 140px 0; background: var(--c-bg); }
.features__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px;
}
.feature {
  padding: 56px 48px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  position: relative;
  transition: all .4s;
}
.feature:hover {
  background: var(--c-bg);
  transform: translateY(-4px);
  box-shadow: 0 24px 40px -16px rgba(61, 46, 31, 0.15);
  border-color: var(--c-bronze);
}
.feature__icon {
  width: 64px; height: 64px;
  color: var(--c-bronze);
  margin-bottom: 28px;
}
.feature__icon svg { width: 100%; height: 100%; }
.feature h3 {
  font-family: var(--ff-serif);
  font-size: 22px; font-weight: 500;
  color: var(--c-brown);
  margin-bottom: 16px;
  line-height: 1.5;
}
.feature p {
  font-size: 14px; line-height: 2;
  color: var(--c-text-sub);
}

/* ====== SERVICES ====== */
.services { padding: 140px 0; background: var(--c-bg-2); }
.services__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service {
  background: var(--c-bg);
  padding: 48px 36px;
  border: 1px solid var(--c-line);
  position: relative;
  transition: all .4s;
  display: flex; flex-direction: column;
}
.service:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 40px -16px rgba(61, 46, 31, 0.15);
  border-color: var(--c-bronze);
}
.service--highlight {
  background: linear-gradient(180deg, var(--c-brown), var(--c-brown-2));
  color: var(--c-bg);
  border-color: var(--c-gold);
}
.service--highlight h3, .service--highlight p { color: var(--c-bg); }
.service__no {
  font-family: var(--ff-display);
  font-size: 14px; font-style: italic;
  color: var(--c-bronze);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.service--highlight .service__no { color: var(--c-gold-l); }
.service__badge {
  position: absolute; top: 20px; right: 20px;
  font-size: 10px; font-weight: 500; letter-spacing: 0.15em;
  padding: 5px 12px;
  background: var(--c-gold);
  color: var(--c-brown);
  border-radius: 999px;
}
.service h3 {
  font-family: var(--ff-serif);
  font-size: 22px; font-weight: 500;
  color: var(--c-brown);
  margin-bottom: 16px;
  line-height: 1.5;
}
.service p {
  font-size: 13px; line-height: 1.9;
  color: var(--c-text-sub);
  margin-bottom: 24px;
}
.service--highlight p { color: rgba(250, 247, 242, 0.85); }
.service ul {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
  display: flex; flex-direction: column; gap: 8px;
}
.service--highlight ul { border-color: rgba(220, 194, 136, 0.2); }
.service ul li {
  font-size: 12px; color: var(--c-text-sub);
  padding-left: 18px; position: relative;
}
.service--highlight ul li { color: rgba(250, 247, 242, 0.75); }
.service ul li::before {
  content: "—"; position: absolute; left: 0;
  color: var(--c-bronze);
}
.service--highlight ul li::before { color: var(--c-gold-l); }

/* ====== PRICING ====== */
.pricing { padding: 140px 0; background: var(--c-bg); }
.pricing__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  align-items: stretch;
}
.plan {
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  padding: 48px 36px;
  display: flex; flex-direction: column;
  transition: all .4s;
}
.plan:hover { transform: translateY(-4px); }
.plan--featured {
  background: linear-gradient(180deg, var(--c-brown), var(--c-brown-2));
  color: var(--c-bg);
  border-color: var(--c-gold);
  transform: scale(1.04);
  box-shadow: 0 24px 48px -16px rgba(61, 46, 31, 0.3);
}
.plan__head { margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--c-line); position: relative; }
.plan--featured .plan__head { border-color: rgba(220, 194, 136, 0.25); }
.plan__badge {
  position: absolute; top: -64px; right: 0;
  font-family: var(--ff-display); font-size: 11px; font-style: italic;
  padding: 6px 16px;
  background: var(--c-gold);
  color: var(--c-brown);
  border-radius: 999px;
  letter-spacing: 0.15em;
}
.plan__head h3 {
  font-family: var(--ff-serif);
  font-size: 32px; font-weight: 500;
  color: var(--c-brown);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.plan--featured .plan__head h3 { color: var(--c-bg); }
.plan__head p {
  font-size: 13px; line-height: 1.7;
  color: var(--c-text-sub);
}
.plan--featured .plan__head p { color: rgba(250, 247, 242, 0.75); }

.plan__price { margin-bottom: 12px; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.plan__price-prefix {
  font-size: 12px; color: var(--c-text-sub);
  letter-spacing: 0.05em;
}
.plan--featured .plan__price-prefix { color: rgba(250, 247, 242, 0.7); }
.plan__price-num {
  font-family: var(--ff-display);
  font-size: 36px; font-weight: 500;
  color: var(--c-brown);
  letter-spacing: -0.01em;
}
.plan--featured .plan__price-num { color: var(--c-gold-l); }
.plan__price-suffix {
  font-size: 12px; color: var(--c-text-sub);
}
.plan--featured .plan__price-suffix { color: rgba(250, 247, 242, 0.7); }

.plan__monthly {
  font-size: 13px;
  padding: 12px 16px;
  background: rgba(139, 111, 71, 0.08);
  border-radius: 4px;
  margin-bottom: 32px;
  color: var(--c-brown);
}
.plan--featured .plan__monthly { background: rgba(220, 194, 136, 0.1); color: var(--c-gold-l); }
.plan__monthly small { display: block; font-size: 11px; opacity: 0.7; margin-top: 4px; }

.plan__list {
  display: flex; flex-direction: column; gap: 12px;
  margin-top: auto;
}
.plan__list li {
  font-size: 13px; line-height: 1.6;
  color: var(--c-text-sub);
  padding-left: 24px; position: relative;
}
.plan--featured .plan__list li { color: rgba(250, 247, 242, 0.85); }
.plan__list li::before {
  content: "✓"; position: absolute; left: 0;
  color: var(--c-bronze);
  font-weight: bold;
}
.plan--featured .plan__list li::before { color: var(--c-gold); }

.pricing__note {
  margin-top: 48px;
  font-size: 12px; line-height: 1.8;
  color: var(--c-text-sub);
  text-align: center;
}

/* ====== FLOW ====== */
.flow { padding: 140px 0; background: var(--c-bg-2); }
.flow__list {
  max-width: 880px;
  margin: 0 auto;
  position: relative;
}
.flow__list::before {
  content: "";
  position: absolute;
  left: 35px; top: 30px; bottom: 30px;
  width: 1px; background: var(--c-line-2);
}
.flow__item {
  display: flex; gap: 32px;
  padding: 32px 0;
  position: relative;
}
.flow__no {
  flex-shrink: 0;
  width: 70px; height: 70px;
  display: grid; place-items: center;
  font-family: var(--ff-display);
  font-size: 22px; font-style: italic; font-weight: 500;
  background: var(--c-bg);
  color: var(--c-bronze);
  border: 1px solid var(--c-bronze);
  border-radius: 50%;
  z-index: 1;
  letter-spacing: 0.02em;
}
.flow__body { padding-top: 12px; }
.flow__body h3 {
  font-family: var(--ff-serif);
  font-size: 22px; font-weight: 500;
  color: var(--c-brown);
  margin-bottom: 10px;
}
.flow__body p {
  font-size: 14px; line-height: 1.9;
  color: var(--c-text-sub);
}
.flow__body small {
  display: inline-block;
  margin-top: 8px;
  font-size: 11px;
  padding: 3px 10px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  color: var(--c-bronze);
  border-radius: 999px;
  letter-spacing: 0.05em;
}

/* ====== FAQ ====== */
.faq { padding: 140px 0; background: var(--c-bg); }
.faq__list { display: flex; flex-direction: column; gap: 16px; }
.faq__item {
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  padding: 24px 32px;
  transition: all .3s;
}
.faq__item[open] {
  background: var(--c-bg);
  border-color: var(--c-bronze);
}
.faq__item summary {
  font-family: var(--ff-serif);
  font-size: 16px; font-weight: 500;
  color: var(--c-brown);
  cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  line-height: 1.6;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  font-family: var(--ff-display);
  font-size: 24px; font-weight: 300;
  color: var(--c-bronze);
  border: 1px solid var(--c-bronze);
  border-radius: 50%;
  transition: transform .3s;
}
.faq__item[open] summary::after { content: "−"; transform: rotate(180deg); }
.faq__item p {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  font-size: 14px; line-height: 1.9;
  color: var(--c-text-sub);
}

/* ====== CTA ====== */
.cta {
  position: relative;
  padding: 140px 0;
  background: var(--c-brown);
  color: var(--c-bg);
  overflow: hidden;
}
.cta__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(201, 169, 97, 0.15), transparent 60%),
    radial-gradient(circle at 80% 30%, rgba(139, 111, 71, 0.2), transparent 60%);
  filter: blur(60px);
  pointer-events: none;
}
.cta .container { position: relative; z-index: 1; }
.cta__inner { max-width: 880px; margin: 0 auto; text-align: center; }
.cta__eyebrow {
  font-family: var(--ff-display);
  font-size: 13px; font-style: italic;
  color: var(--c-gold-l);
  letter-spacing: 0.25em;
  margin-bottom: 24px;
}
.cta__title {
  font-family: var(--ff-serif);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 500;
  line-height: 1.4;
  color: var(--c-bg);
  margin-bottom: 32px;
  letter-spacing: 0.03em;
}
.cta__title em {
  background: linear-gradient(120deg, var(--c-gold-l), var(--c-gold));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta__lead {
  font-size: 15px; line-height: 2;
  color: rgba(250, 247, 242, 0.85);
  margin-bottom: 48px;
}
.cta__btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta__btns .btn--primary {
  background: var(--c-bg); color: var(--c-brown);
}
.cta__btns .btn--primary:hover { background: var(--c-gold-l); }

/* ====== FOOTER ====== */
.footer {
  background: var(--c-brown-2);
  color: rgba(250, 247, 242, 0.7);
  padding: 80px 0 32px;
}
.footer__main {
  display: grid; grid-template-columns: 1fr 2fr; gap: 80px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(220, 194, 136, 0.15);
}
.footer__brand-name {
  font-family: var(--ff-display);
  font-size: 20px; font-weight: 500;
  color: var(--c-bg);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.footer__brand-desc {
  font-size: 13px; line-height: 1.8;
  margin-bottom: 20px;
}
.footer__brand-addr {
  font-size: 11px; line-height: 1.8;
  color: rgba(250, 247, 242, 0.5);
}
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer__col h4 {
  font-family: var(--ff-display);
  font-size: 13px; font-style: italic;
  color: var(--c-gold-l);
  letter-spacing: 0.2em;
  margin-bottom: 20px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
  font-size: 13px;
  color: rgba(250, 247, 242, 0.7);
  transition: color .2s;
}
.footer__col a:hover { color: var(--c-gold-l); }
.footer__bottom {
  padding-top: 32px;
  text-align: center;
}
.footer__bottom small {
  font-family: var(--ff-display);
  font-size: 11px; font-style: italic;
  color: rgba(250, 247, 242, 0.4);
  letter-spacing: 0.15em;
}

/* ====== CHAT ====== */
.chat {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 200;
}
.chat__toggle {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--c-brown), var(--c-bronze-d));
  color: var(--c-bg);
  border-radius: 999px;
  box-shadow: 0 12px 28px -8px rgba(61, 46, 31, 0.4);
  transition: all .3s;
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.05em;
  border: 1px solid var(--c-gold);
}
.chat__toggle:hover { transform: translateY(-2px); box-shadow: 0 16px 32px -8px rgba(61, 46, 31, 0.5); }
.chat__toggle-icon { width: 20px; height: 20px; }
.chat__toggle-icon--close { display: none; }
.chat.is-open .chat__toggle-icon--open { display: none; }
.chat.is-open .chat__toggle-icon--close { display: block; }
.chat.is-open .chat__toggle-label { display: none; }

.chat__window {
  position: absolute; bottom: 72px; right: 0;
  width: min(380px, calc(100vw - 48px));
  height: 560px; max-height: calc(100vh - 120px);
  background: var(--c-bg);
  border: 1px solid var(--c-line-2);
  border-radius: 16px;
  box-shadow: 0 24px 48px -12px rgba(61, 46, 31, 0.35);
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.chat.is-open .chat__window { display: flex; animation: chatIn .3s ease; }
@keyframes chatIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.chat__header {
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--c-brown), var(--c-bronze-d));
  color: var(--c-bg);
  display: flex; align-items: center; gap: 14px;
}
.chat__header-avatar {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--c-gold), var(--c-bronze));
  border-radius: 50%;
  font-family: var(--ff-display); font-size: 14px; font-weight: 600;
  letter-spacing: 0.05em;
}
.chat__header-info strong {
  display: block;
  font-family: var(--ff-serif);
  font-size: 15px; font-weight: 500;
  margin-bottom: 2px;
}
.chat__header-info span {
  font-family: var(--ff-display); font-size: 11px; font-style: italic;
  color: var(--c-gold-l);
  letter-spacing: 0.1em;
}

.chat__body {
  flex: 1; overflow-y: auto;
  padding: 20px 20px 8px;
  display: flex; flex-direction: column; gap: 12px;
}
.chat__msg { display: flex; }
.chat__msg p {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 13px; line-height: 1.7;
  max-width: 85%;
}
.chat__msg--bot p {
  background: var(--c-bg-2);
  color: var(--c-brown);
  border-bottom-left-radius: 4px;
}
.chat__msg--user { justify-content: flex-end; }
.chat__msg--user p {
  background: var(--c-bronze);
  color: var(--c-bg);
  border-bottom-right-radius: 4px;
}
.chat__msg--loading p::after {
  content: "●●●";
  animation: dots 1.4s infinite;
  letter-spacing: 4px;
}
@keyframes dots {
  0%, 20% { opacity: 0.3; }
  50% { opacity: 1; }
  100% { opacity: 0.3; }
}

.chat__quick { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 0 0; }
.chat__quick-btn {
  font-size: 11px;
  padding: 6px 12px;
  background: var(--c-bg);
  border: 1px solid var(--c-line-2);
  border-radius: 999px;
  color: var(--c-bronze);
  transition: all .2s;
}
.chat__quick-btn:hover { background: var(--c-bronze); color: var(--c-bg); border-color: var(--c-bronze); }

.chat__footer { border-top: 1px solid var(--c-line); padding: 14px 16px; background: var(--c-bg-2); }
.chat__form { display: flex; gap: 8px; }
.chat__form input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--c-line-2);
  border-radius: 999px;
  font-family: inherit; font-size: 13px;
  background: var(--c-bg);
  color: var(--c-brown);
  outline: none;
  transition: border-color .2s;
}
.chat__form input:focus { border-color: var(--c-bronze); }
.chat__form button {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: var(--c-bronze);
  color: var(--c-bg);
  border-radius: 50%;
  transition: background .2s;
}
.chat__form button:hover { background: var(--c-brown); }
.chat__form-link {
  display: block; text-align: center;
  margin-top: 10px;
  font-size: 11px; color: var(--c-bronze);
  letter-spacing: 0.05em;
}

/* ====== SCROLL FADE-IN ====== */
.reveal { opacity: 0; transform: translateY(30px); transition: all .8s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
  .hero__numbers { right: 24px; bottom: 32px; flex-direction: column; gap: 12px; }
  .num-card { min-width: 180px; padding: 18px 22px 16px; }
  .num-card__value { font-size: 36px; }
  .solution__flow { grid-template-columns: 1fr; }
  .solution__arrow { transform: rotate(90deg); }
  .case__main { grid-template-columns: 1fr; gap: 48px; }
  .case__visual { position: static; }
  .case__others-grid { grid-template-columns: 1fr 1fr; }
  .features__grid { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .plan--featured { transform: none; }
  .footer__main { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  :root { --nav-h: 64px; }

  .nav__menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--c-bg); flex-direction: column; gap: 0;
    padding: 24px; max-height: 0; overflow: hidden;
    transition: max-height .3s;
    border-bottom: 1px solid var(--c-line);
  }
  .nav.is-open .nav__menu { max-height: 80vh; padding: 24px; }
  .nav__menu a { width: 100%; padding: 16px 0; border-bottom: 1px solid var(--c-line); font-size: 14px; }
  .nav__menu a:not(.nav__cta)::after { display: none; }
  .nav__cta { margin-top: 16px; text-align: center; width: 100%; padding: 14px; border: none !important; }
  .nav__toggle { display: flex; }
  .nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { min-height: 100vh; min-height: 100svh; }
  .hero__container { padding: calc(var(--nav-h) + 40px) 20px 220px; align-items: flex-start; }
  .hero__content { padding-top: 20px; }
  .hero__tag { font-size: 11px; letter-spacing: 0.2em; margin-bottom: 24px; gap: 12px; }
  .hero__tag::before, .hero__tag::after { width: 24px; }
  .hero__title { font-size: clamp(28px, 7vw, 40px); margin-bottom: 24px; line-height: 1.4; }
  .hero__title-en { font-size: 13px; margin-top: 16px; }
  .hero__lead { font-size: 13px; line-height: 1.9; margin-bottom: 32px; }
  .hero__actions .btn { padding: 14px 24px; font-size: 13px; }
  .hero__numbers { left: 20px; right: 20px; bottom: 20px; flex-direction: row; gap: 8px; }
  .num-card { flex: 1; min-width: 0; padding: 14px 16px 12px; }
  .num-card__label { font-size: 9px; letter-spacing: 0.15em; margin-bottom: 6px; }
  .num-card__value { font-size: 28px; margin-bottom: 6px; }
  .num-card__value small { font-size: 16px; }
  .num-card__caption { font-size: 10px; line-height: 1.5; }
  .hero__scroll { display: none; }

  .problem, .solution, .features, .services, .pricing, .flow, .faq, .cta, .case { padding: 80px 0; }
  .section-head { margin-bottom: 48px; }
  .problem__grid, .features__grid, .services__grid, .case__others-grid { grid-template-columns: 1fr; }
  .problem__card, .feature { padding: 32px 24px; }
  .service { padding: 36px 24px; }
  .plan { padding: 36px 24px; }
  .plan__badge { top: -52px; }

  .case__main { gap: 32px; }
  .case__content { padding-top: 0; }
  .case__list li { gap: 14px; }
  .case__visual-img::after { font-size: 36px; }

  .flow__list::before { left: 24px; }
  .flow__no { width: 50px; height: 50px; font-size: 16px; }
  .flow__item { gap: 20px; padding: 24px 0; }
  .flow__body h3 { font-size: 18px; }

  .faq__item { padding: 20px 24px; }
  .faq__item summary { font-size: 14px; gap: 16px; }
  .faq__item summary::after { width: 28px; height: 28px; font-size: 20px; }

  .cta__btns { flex-direction: column; }
  .cta__btns .btn { width: 100%; justify-content: center; }

  .footer { padding: 60px 0 24px; }
  .footer__cols { grid-template-columns: 1fr 1fr; gap: 32px; }

  .chat { bottom: 16px; right: 16px; }
  .chat__toggle { padding: 12px 18px; font-size: 12px; }
  .chat__window { bottom: 64px; height: min(560px, calc(100vh - 100px)); }
}