/* ====================================================================
   拡想（Kakuso）LP — 映心動のデザイン言語を踏襲、ブランドカラーのみ変更
   ベース: 映心動新ウェブサイト (ashindor.com)
   カラー: #0B1A2E（深藍） × #E8C572（金） × #F5F1E6（象牙）
   ==================================================================== */

:root {
  /* 拡想 Brand Colors */
  --color-main: #0B1A2E;        /* 深藍（メイン） */
  --color-dark: #0B1A2E;        /* 深藍 */
  --color-darker: #060E1A;      /* より深い藍 */
  --color-accent: #E8C572;      /* 金 */
  --color-accent-deep: #B89648; /* 深金 */
  --color-ivory: #F5F1E6;       /* 象牙 */
  --color-light: #535458;       /* サブテキスト */
  --color-lighter: #717276;     /* より薄いテキスト */
  --color-bg: #FFFFFF;          /* 背景白 */
  --color-bg-ivory: #F5F1E6;    /* 背景象牙 */
  --color-white: #FFFFFF;
  --color-border: #E5E0D3;
  --color-text: #0B1A2E;
  --color-text-light: #535458;

  /* Typography */
  --font-mincho: "Noto Serif JP", "游明朝", "Yu Mincho", YuMincho, "Hiragino Mincho ProN", serif;
  --font-gothic: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-family: var(--font-gothic);
  --font-size-base: 17.6px;    /* 16 × 1.1 */
  --font-size-sm: 15.4px;      /* 14 × 1.1 */
  --font-size-xs: 13.2px;      /* 12 × 1.1 */
  --font-size-lg: 19.8px;      /* 18 × 1.1 */
  --font-size-xl: 24.2px;      /* 22 × 1.1 */
  --font-size-2xl: 28.6px;     /* 26 × 1.1 */
  --font-size-3xl: 39.6px;     /* 36 × 1.1 */
  --font-size-hero: 70px;
  --line-height: 2;
  --line-height-tight: 1.4;
  --line-height-heading: 1.6;

  /* Spacing */
  --header-height: 70px;
  --section-padding: 120px;
  --content-width: 1200px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; word-wrap: break-word; }
html, body, div, span, h1, h2, h3, h4, h5, h6, p, blockquote, a, img, ul, ol, li, section, header, footer, nav, figure, figcaption, table, th, td {
  margin: 0; padding: 0; border: 0; vertical-align: baseline;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; transition: opacity var(--transition-fast); }
a:hover { opacity: 0.75; }
img { max-width: 100%; height: auto; vertical-align: bottom; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ----- Utility ----- */
.content-width {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 50px;
}
.mincho { font-family: var(--font-mincho); }

/* ----- Header ----- */
#header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
#header.header-scrolled {
  background: rgba(11, 26, 46, 0.92);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 40px;
}
#header_logo a {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 12px;
}
#header_logo .logo-kanji {
  font-family: var(--font-mincho);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ivory);
  letter-spacing: 0.14em;
}
#header_logo .logo-en {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  font-weight: 300;
}
.header-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}
.header-nav a {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-ivory);
}
.header-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: 70px;
  font-size: 12px;
  letter-spacing: 0.14em;
  transition: background var(--transition-base), color var(--transition-base);
}
.header-nav .nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-dark);
  opacity: 1;
}

/* ----- Hero (ファーストビュー) ----- */
#hero_container {
  position: relative;
  width: 100%;
  min-height: 100vh;
  height: 100vh;
  min-height: 760px;
  overflow: hidden;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--header-height) 0 0;
}
/* 背景: 深藍のグラデーション + 格子状のテクスチャ */
#hero_container::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(232, 197, 114, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(232, 197, 114, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, #060E1A 0%, #0B1A2E 50%, #0F2135 100%);
  z-index: 1;
}
/* 金の粒子（想の核） */
#hero_container::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(232,197,114,0.4) 0.5px, transparent 1px),
    radial-gradient(circle at 80% 15%, rgba(232,197,114,0.3) 0.5px, transparent 1px),
    radial-gradient(circle at 45% 75%, rgba(232,197,114,0.35) 0.5px, transparent 1px),
    radial-gradient(circle at 88% 60%, rgba(232,197,114,0.25) 0.5px, transparent 1px),
    radial-gradient(circle at 22% 88%, rgba(232,197,114,0.3) 0.5px, transparent 1px);
  z-index: 2;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 40px;
  max-width: 900px;
}
.hero-logo {
  margin: 0 auto 60px;
  max-width: 360px;
}
.hero-logo svg { width: 100%; height: auto; }
.hero-catch {
  font-family: var(--font-mincho);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-ivory);
  letter-spacing: 0.18em;
  line-height: 1.3;
  margin-bottom: 8px;
  text-shadow: 0 2px 30px rgba(232, 197, 114, 0.12);
}
body.js-reveal-ready .hero-catch {
  animation: heroFadeIn 1.2s ease 0.3s both;
}
.hero-catch-line {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin: 32px auto;
  opacity: 0.8;
}
body.js-reveal-ready .hero-catch-line {
  animation: heroFadeIn 1.2s ease 0.6s both;
}
.hero-subcatch {
  font-family: var(--font-gothic);
  font-size: 17px;
  color: var(--color-ivory);
  letter-spacing: 0.08em;
  line-height: 2;
  font-weight: 300;
  opacity: 0.88;
  margin-bottom: 60px;
}
body.js-reveal-ready .hero-subcatch {
  animation: heroFadeIn 1.2s ease 0.9s both;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 320px;
  height: 72px;
  padding: 0 40px;
  border: 1px solid var(--color-accent);
  border-radius: 72px;
  color: var(--color-dark);
  background: var(--color-accent);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.16em;
  transition: all var(--transition-base);
}
body.js-reveal-ready .hero-cta {
  animation: heroFadeIn 1.2s ease 1.2s both;
}
.hero-cta:hover {
  background: var(--color-ivory);
  border-color: var(--color-ivory);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(232, 197, 114, 0.25);
  opacity: 1;
}
.hero-cta .cta-price {
  font-size: 11px;
  letter-spacing: 0.18em;
  margin-left: 14px;
  padding-left: 14px;
  border-left: 1px solid rgba(11, 26, 46, 0.3);
  opacity: 0.75;
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-ivory);
  opacity: 0.55;
  animation: scrollBounce 2s ease-in-out infinite;
}
.hero-scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 40px;
  background: var(--color-accent);
  margin: 10px auto 0;
  opacity: 0.6;
}
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ----- Section Common ----- */
.section { padding: var(--section-padding) 0; }
.section.bg-ivory { background: var(--color-bg-ivory); }
.section.bg-dark {
  background: var(--color-dark);
  color: var(--color-ivory);
}
.section-header {
  text-align: center;
  margin-bottom: 70px;
}
.section-header .section-title-en {
  display: block;
  font-size: 12px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
  margin-bottom: 18px;
  font-weight: 400;
}
.section.bg-dark .section-header .section-title-en { color: var(--color-accent); }
.section-header .section-title {
  font-family: var(--font-mincho);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--color-dark);
}
.section.bg-dark .section-header .section-title { color: var(--color-ivory); }
.section-header .section-title-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin: 28px auto 0;
}
.section-header .section-lead {
  font-size: 15px;
  color: var(--color-light);
  line-height: 2.1;
  margin-top: 26px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section.bg-dark .section-header .section-lead { color: rgba(245, 241, 230, 0.8); }

/* ----- Design Button ----- */
.design-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 280px;
  height: 68px;
  padding: 0 36px;
  border: 1px solid var(--color-dark);
  border-radius: 68px;
  color: var(--color-dark);
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  transition: all var(--transition-base);
}
.design-button:hover {
  background: var(--color-dark);
  color: var(--color-ivory);
  opacity: 1;
}
.design-button.gold {
  border-color: var(--color-accent-deep);
  color: var(--color-dark);
  background: var(--color-accent);
}
.design-button.gold:hover {
  background: var(--color-dark);
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.design-button.outline-light {
  border-color: var(--color-ivory);
  color: var(--color-ivory);
}
.design-button.outline-light:hover {
  background: var(--color-ivory);
  color: var(--color-dark);
}

/* ----- Mission Section ----- */
.mission-section {
  padding: 140px 0;
  background: var(--color-dark);
  color: var(--color-ivory);
  position: relative;
  overflow: hidden;
}
.mission-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(232,197,114,0.06) 0%, transparent 60%);
}

/* Vision 用の明るい配色バリアント（Hero との背景色重複を回避） */
.mission-section.mission-section--light {
  background: var(--color-ivory);
  color: var(--color-dark);
}
.mission-section.mission-section--light::before {
  background:
    radial-gradient(circle at 50% 50%, rgba(184,150,72,0.05) 0%, transparent 60%);
}

.mission-inner {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 40px;
}
.mission-label {
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 40px;
}
.mission-section--light .mission-label {
  color: #B89648;
}
.mission-catch {
  font-family: var(--font-mincho);
  font-size: 64px;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.4;
  color: var(--color-ivory);
  margin-bottom: 48px;
}
.mission-section--light .mission-catch {
  color: var(--color-dark);
  font-size: 52px;
  letter-spacing: 0.1em;
  line-height: 1.55;
}
.mission-section--light .mission-catch strong {
  color: #B89648;
  font-weight: 700;
}
.mission-divider {
  width: 50px;
  height: 1px;
  background: var(--color-accent);
  margin: 0 auto 48px;
}
.mission-section--light .mission-divider {
  background: #B89648;
}
.mission-body {
  font-size: 16px;
  line-height: 2.2;
  color: rgba(245, 241, 230, 0.85);
  font-weight: 300;
  letter-spacing: 0.05em;
}
.mission-body strong {
  color: var(--color-accent);
  font-weight: 500;
}
.mission-section--light .mission-body {
  color: rgba(11, 26, 46, 0.82);
}
.mission-section--light .mission-body strong {
  color: #B89648;
  font-weight: 600;
}

/* ----- Problem Section ----- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 60px;
}
.problem-card {
  background: var(--color-white);
  padding: 50px 36px;
  border-top: 2px solid var(--color-accent);
  box-shadow: 0 4px 30px rgba(11, 26, 46, 0.06);
  text-align: left;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(11, 26, 46, 0.12);
}
.problem-number {
  font-family: var(--font-mincho);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}
.problem-card h3 {
  font-family: var(--font-mincho);
  font-size: 21px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.6;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.problem-card p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-light);
}

/* ----- Why Kakuso ----- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 40px;
}
.why-text h3 {
  font-family: var(--font-mincho);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.6;
  margin-bottom: 30px;
  letter-spacing: 0.04em;
}
.why-text p {
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-light);
  margin-bottom: 20px;
}
.why-text p strong { color: var(--color-dark); font-weight: 700; }
.why-visual {
  background: var(--color-dark);
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
}
.why-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(232,197,114,0.12) 0%, transparent 50%);
}
.why-visual-inner { position: relative; }
.why-visual .label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 20px;
}
.why-visual h4 {
  font-family: var(--font-mincho);
  font-size: 26px;
  font-weight: 500;
  color: var(--color-ivory);
  line-height: 1.6;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}
.why-visual p {
  font-size: 14px;
  line-height: 2;
  color: rgba(245, 241, 230, 0.75);
  font-weight: 300;
}
.why-visual .author {
  display: block;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(232, 197, 114, 0.25);
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

/* ----- Service Grid (商品ラインナップ) ----- */
.service-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 20px;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 54px 40px 44px;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.service-card.featured {
  border-color: var(--color-accent);
  box-shadow: 0 12px 40px rgba(11, 26, 46, 0.1);
  transform: scale(1.02);
}
.service-card.featured::before {
  content: "MAIN";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-dark);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 6px 18px;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 50px rgba(11, 26, 46, 0.14);
  border-color: var(--color-accent);
}
.service-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
}
.service-code {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-accent-deep);
  margin-bottom: 12px;
  font-weight: 500;
}
.service-name {
  font-family: var(--font-mincho);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.4;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.service-catch {
  font-family: var(--font-mincho);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-accent-deep);
  line-height: 1.6;
  margin-bottom: 10px;
  font-weight: 500;
}
.service-card.featured .service-catch {
  color: var(--color-accent);
}
.service-name-en {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--color-lighter);
  margin-bottom: 24px;
  font-weight: 400;
}
.service-price {
  font-family: var(--font-mincho);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 4px;
}
.service-price .unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-light);
  margin-left: 4px;
}
.service-period {
  font-size: 12px;
  color: var(--color-lighter);
  letter-spacing: 0.1em;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}
.service-desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-light);
  margin-bottom: 24px;
}
.service-features {
  margin-bottom: 32px;
}
.service-features li {
  position: relative;
  padding-left: 22px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-light);
  margin-bottom: 10px;
}
.service-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 1px;
  background: var(--color-accent);
}
.service-cta {
  display: block;
  text-align: center;
  padding: 16px 20px;
  background: transparent;
  border: 1px solid var(--color-dark);
  color: var(--color-dark);
  font-size: 13px;
  letter-spacing: 0.1em;
  transition: all var(--transition-base);
}
.service-cta:hover {
  background: var(--color-dark);
  color: var(--color-ivory);
  opacity: 1;
}
.service-card.featured .service-cta {
  background: var(--color-dark);
  color: var(--color-ivory);
}
.service-card.featured .service-cta:hover {
  background: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
}

/* ----- Process Section ----- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  margin-top: 60px;
  position: relative;
}
.process-step {
  text-align: center;
  position: relative;
}
.process-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -14px;
  top: 34px;
  font-size: 20px;
  color: var(--color-accent);
}
.process-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  font-family: var(--font-mincho);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-white);
}
.process-step h4 {
  font-family: var(--font-mincho);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
  line-height: 1.5;
}
.process-step p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--color-light);
}

/* ----- Value (行動指針) ----- */
.value-list {
  max-width: 900px;
  margin: 60px auto 0;
}
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 38px 0;
  border-bottom: 1px solid rgba(232, 197, 114, 0.2);
}
.value-item:last-child { border-bottom: none; }
.value-number {
  flex-shrink: 0;
  font-family: var(--font-mincho);
  font-size: 44px;
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: 0.04em;
  min-width: 80px;
}
.value-body h3 {
  font-family: var(--font-mincho);
  font-size: 24px;
  font-weight: 500;
  color: var(--color-ivory);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.value-body p {
  font-size: 14px;
  line-height: 2;
  color: rgba(245, 241, 230, 0.78);
  font-weight: 300;
}

/* ----- Difference Table ----- */
.difference-wrap {
  margin-top: 40px;
  overflow-x: auto;
}
.difference-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.difference-table th,
.difference-table td {
  padding: 22px 24px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  line-height: 1.8;
}
.difference-table thead th {
  font-family: var(--font-mincho);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--color-bg-ivory);
  color: var(--color-dark);
}
.difference-table thead th.col-kakuso {
  background: var(--color-dark);
  color: var(--color-accent);
}
.difference-table tbody th {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-dark);
  background: var(--color-bg-ivory);
  width: 24%;
}
.difference-table td.col-other {
  color: var(--color-lighter);
}
.difference-table td.col-kakuso {
  color: var(--color-dark);
  font-weight: 500;
  background: rgba(232, 197, 114, 0.08);
}

/* ----- Target Personas ----- */
.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}
.target-card {
  background: var(--color-white);
  padding: 44px 36px;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.target-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(11, 26, 46, 0.08);
}
.target-label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-accent-deep);
  padding: 4px 12px;
  border: 1px solid var(--color-accent);
  margin-bottom: 20px;
}
.target-card h3 {
  font-family: var(--font-mincho);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.5;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.target-card dl {
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-light);
}
.target-card dl dt {
  font-weight: 700;
  color: var(--color-dark);
  margin-top: 12px;
}
.target-card dl dt:first-child { margin-top: 0; }
.target-card dl dd { margin-bottom: 4px; }

/* ----- FAQ ----- */
.faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
}
.faq-item h3 {
  position: relative;
  padding-left: 36px;
  font-family: var(--font-mincho);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.7;
  margin-bottom: 16px;
}
.faq-item h3::before {
  content: "Q.";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-family: var(--font-mincho);
  font-weight: 400;
  font-size: 20px;
}
.faq-item p {
  padding-left: 36px;
  font-size: 14px;
  line-height: 2;
  color: var(--color-light);
  position: relative;
}
.faq-item p::before {
  content: "A.";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent-deep);
  font-family: var(--font-mincho);
  font-weight: 400;
  font-size: 16px;
}

/* ----- About (会社情報) ----- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-top: 40px;
}
.about-logo {
  background: var(--color-dark);
  padding: 50px 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-logo svg { width: 100%; max-width: 220px; height: auto; }
.about-table {
  width: 100%;
  border-collapse: collapse;
}
.about-table th,
.about-table td {
  padding: 18px 0;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  line-height: 1.8;
}
.about-table th {
  width: 30%;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.04em;
}
.about-table td { color: var(--color-light); }
.about-sibling {
  margin-top: 40px;
  padding: 24px 28px;
  background: var(--color-bg-ivory);
  border-left: 3px solid var(--color-accent);
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-light);
}
.about-sibling strong { color: var(--color-dark); }

/* ----- Contact CTA Banner ----- */
.cta-banner {
  position: relative;
  padding: 140px 40px;
  background: var(--color-dark);
  color: var(--color-ivory);
  text-align: center;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 25% 40%, rgba(232,197,114,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 75% 60%, rgba(232,197,114,0.08) 0%, transparent 50%);
}
.cta-inner {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}
.cta-banner .cta-label {
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 30px;
}
.cta-banner h2 {
  font-family: var(--font-mincho);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.5;
  margin-bottom: 28px;
}
.cta-banner p {
  font-size: 15px;
  line-height: 2.1;
  color: rgba(245, 241, 230, 0.8);
  margin-bottom: 50px;
  font-weight: 300;
}
.cta-banner .cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ----- Contact Form ----- */
.contact-form-wrap {
  max-width: 720px;
  margin: 50px auto 0;
}
.contact-field {
  margin-bottom: 24px;
}
.contact-field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.contact-field label .required {
  color: var(--color-accent-deep);
  font-size: 11px;
  margin-left: 6px;
}
.contact-field input,
.contact-field select,
.contact-field textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: inherit;
  font-size: 14px;
  color: var(--color-dark);
  background: var(--color-bg-ivory);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}
.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.contact-field textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.8;
}
.contact-submit {
  text-align: center;
  margin-top: 40px;
}
.contact-note {
  text-align: center;
  font-size: 12px;
  color: var(--color-lighter);
  line-height: 1.8;
  margin-top: 20px;
}

/* ----- Footer ----- */
#footer {
  background: var(--color-darker);
  color: var(--color-ivory);
  padding: 80px 40px 0;
}
.footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(232, 197, 114, 0.15);
}
.footer-brand .footer-logo {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-brand .footer-logo .kanji {
  font-family: var(--font-mincho);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-ivory);
  letter-spacing: 0.14em;
}
.footer-brand .footer-logo .en {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
}
.footer-brand p {
  font-size: 12px;
  line-height: 1.9;
  color: rgba(245, 241, 230, 0.65);
}
.footer-nav h4 {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 20px;
  font-weight: 500;
}
.footer-nav ul li {
  font-size: 13px;
  margin-bottom: 12px;
}
.footer-nav ul li a {
  color: rgba(245, 241, 230, 0.8);
}
.footer-bottom {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: rgba(245, 241, 230, 0.5);
}
.footer-bottom .sibling-link a {
  color: var(--color-accent);
  text-decoration: none;
  margin-left: 4px;
}

/* ----- Scroll Reveal ----- */
/* JS有効時は .js-reveal-ready クラスを body に付与して .reveal を一時的に opacity:0 にし、
   is-visible で表示する。JS無効時 / スクショ撮影時は常時表示 */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
body.js-reveal-ready .reveal {
  opacity: 0;
  transform: translateY(30px);
}
body.js-reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ====================================================================
   Responsive (Tablet)
   ==================================================================== */
@media (max-width: 1024px) {
  :root {
    --section-padding: 90px;
    --font-size-hero: 56px;
  }
  .content-width { padding: 0 40px; }
  .hero-catch { font-size: 58px; }
  .mission-catch { font-size: 52px; }
  .mission-section--light .mission-catch { font-size: 42px; }
  .section-header .section-title { font-size: 32px; }
  .why-grid { grid-template-columns: 1fr; gap: 40px; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid-3 { grid-template-columns: 1fr; max-width: 540px; margin: 20px auto 0; }
  .service-card.featured { transform: none; }
  .process-steps { grid-template-columns: repeat(3, 1fr); gap: 30px; }
  .process-step:nth-child(3)::after { display: none; }
  .target-grid { grid-template-columns: 1fr; max-width: 540px; margin: 50px auto 0; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .cta-banner h2 { font-size: 36px; }
}

/* ====================================================================
   Responsive (Mobile)
   ==================================================================== */
@media (max-width: 640px) {
  :root {
    --section-padding: 70px;
    --header-height: 60px;
    /* モバイルでは元のサイズに戻す */
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-xs: 12px;
    --font-size-lg: 18px;
    --font-size-xl: 22px;
    --font-size-2xl: 26px;
    --font-size-3xl: 36px;
  }
  .content-width { padding: 0 24px; }
  .header-inner { padding: 0 20px; }
  .header-nav { display: none; }
  #header_logo .logo-kanji { font-size: 18px; }
  #header_logo .logo-en { font-size: 9px; }

  .hero-logo { max-width: 260px; margin-bottom: 40px; }
  .hero-catch { font-size: 38px; letter-spacing: 0.14em; }
  .hero-catch-line { margin: 24px auto; }
  .hero-subcatch { font-size: 14px; margin-bottom: 44px; }
  .hero-cta { min-width: 280px; height: 64px; font-size: 13px; padding: 0 24px; }

  .section-header { margin-bottom: 50px; }
  .section-header .section-title { font-size: 26px; }
  .section-header .section-title-en { font-size: 11px; }
  .section-header .section-lead { font-size: 14px; }

  .mission-section { padding: 90px 0; }
  .mission-label { font-size: 11px; margin-bottom: 30px; }
  .mission-catch { font-size: 36px; letter-spacing: 0.12em; margin-bottom: 36px; }
  .mission-section--light .mission-catch { font-size: 28px; letter-spacing: 0.08em; line-height: 1.6; }
  .mission-body { font-size: 14px; line-height: 2; }

  .problem-grid { grid-template-columns: 1fr; gap: 24px; margin-top: 44px; }
  .problem-card { padding: 36px 28px; }
  .problem-number { font-size: 30px; }
  .problem-card h3 { font-size: 18px; }

  .why-text h3 { font-size: 22px; }
  .why-visual { padding: 44px 28px; }
  .why-visual h4 { font-size: 21px; }

  .service-card { padding: 44px 28px 36px; }
  .service-name { font-size: 22px; }
  .service-price { font-size: 26px; }

  .process-steps { grid-template-columns: 1fr 1fr; gap: 30px 16px; }
  .process-step::after { display: none !important; }
  .process-num { width: 56px; height: 56px; font-size: 18px; }

  .value-item { flex-direction: column; gap: 12px; padding: 28px 0; }
  .value-number { font-size: 32px; min-width: auto; }
  .value-body h3 { font-size: 19px; }

  .difference-table th,
  .difference-table td { padding: 14px 16px; font-size: 12px; }
  .difference-table thead th { font-size: 13px; }

  .target-card h3 { font-size: 18px; }

  .faq-item h3 { font-size: 15px; padding-left: 30px; }
  .faq-item h3::before { font-size: 18px; }
  .faq-item p { padding-left: 30px; font-size: 13px; }

  .about-logo { padding: 40px 20px; }
  .about-table th { width: 36%; font-size: 12px; }
  .about-table td { font-size: 12px; }

  .cta-banner { padding: 90px 24px; }
  .cta-banner h2 { font-size: 28px; letter-spacing: 0.06em; }
  .cta-banner p { font-size: 13px; }
  .cta-banner .cta-buttons { flex-direction: column; align-items: center; gap: 14px; }
  .design-button { min-width: 260px; height: 62px; font-size: 12px; }

  .footer-inner { grid-template-columns: 1fr; gap: 34px; padding-bottom: 40px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* ====================================================================
   マルチページ追加スタイル
   ==================================================================== */

/* ----- Sub Page Header (Hero ではないページ用) ----- */
.page-header {
  position: relative;
  padding: calc(var(--header-height) + 90px) 0 90px;
  background: var(--color-dark);
  color: var(--color-ivory);
  text-align: center;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(232,197,114,0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(232,197,114,0.06) 0%, transparent 55%),
    linear-gradient(180deg, #060E1A 0%, #0B1A2E 100%);
}
.page-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(232,197,114,0.35) 0.5px, transparent 1px),
    radial-gradient(circle at 80% 15%, rgba(232,197,114,0.28) 0.5px, transparent 1px),
    radial-gradient(circle at 45% 75%, rgba(232,197,114,0.3) 0.5px, transparent 1px),
    radial-gradient(circle at 88% 60%, rgba(232,197,114,0.22) 0.5px, transparent 1px),
    radial-gradient(circle at 22% 88%, rgba(232,197,114,0.28) 0.5px, transparent 1px);
  pointer-events: none;
}
.page-header .inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
}
.page-header .label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 22px;
}
.page-header h1 {
  font-family: var(--font-mincho);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  color: var(--color-ivory);
}
.page-header .divider {
  width: 50px;
  height: 1px;
  background: var(--color-accent);
  margin: 30px auto 28px;
  opacity: 0.8;
}
.page-header .lead {
  font-size: 15px;
  line-height: 2.1;
  color: rgba(245, 241, 230, 0.82);
  font-weight: 300;
  letter-spacing: 0.04em;
}

/* ----- Breadcrumb ----- */
.breadcrumb {
  padding: 20px 0;
  background: var(--color-bg-ivory);
  border-bottom: 1px solid var(--color-border);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.breadcrumb ol {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 50px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--color-lighter);
}
.breadcrumb li::after {
  content: "/";
  margin-left: 10px;
  color: var(--color-accent-deep);
}
.breadcrumb li:last-child::after { display: none; }
.breadcrumb a { color: var(--color-light); }
.breadcrumb li:last-child { color: var(--color-dark); }

/* ----- Card / Section Content ----- */
.content-section {
  padding: 100px 0;
}
.content-narrow {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 40px;
}
.content-narrow h2 {
  font-family: var(--font-mincho);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.06em;
  line-height: 1.5;
  margin-bottom: 30px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-accent);
}
.content-narrow h3 {
  font-family: var(--font-mincho);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.04em;
  line-height: 1.6;
  margin: 40px 0 16px;
}
.content-narrow p {
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-light);
  margin-bottom: 20px;
}
.content-narrow p strong { color: var(--color-dark); font-weight: 700; }
.content-narrow ul {
  margin: 20px 0 30px;
  padding-left: 0;
}
.content-narrow ul li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 2;
  color: var(--color-light);
  margin-bottom: 10px;
}
.content-narrow ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 12px;
  height: 1px;
  background: var(--color-accent);
}

/* ----- Quote Block ----- */
.quote-block {
  padding: 40px;
  background: var(--color-bg-ivory);
  border-left: 3px solid var(--color-accent);
  margin: 40px 0;
  font-family: var(--font-mincho);
  font-size: 18px;
  line-height: 2;
  color: var(--color-dark);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ----- Reason list (for reasons.html) ----- */
.reason-list {
  max-width: 900px;
  margin: 0 auto;
}
.reason-block {
  padding: 50px 0;
  border-bottom: 1px solid var(--color-border);
}
.reason-block:last-child { border-bottom: none; }
.reason-block .head {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  margin-bottom: 20px;
}
.reason-block .num {
  flex-shrink: 0;
  font-family: var(--font-mincho);
  font-size: 40px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  min-width: 70px;
}
.reason-block .title {
  font-family: var(--font-mincho);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.5;
  letter-spacing: 0.04em;
}
.reason-block .body {
  padding-left: 100px;
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-light);
}

/* ----- Service Detail Hero ----- */
.service-hero {
  position: relative;
  padding: calc(var(--header-height) + 80px) 0 80px;
  background: var(--color-dark);
  color: var(--color-ivory);
  text-align: center;
  overflow: hidden;
}
.service-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(232,197,114,0.1) 0%, transparent 55%),
    linear-gradient(180deg, #060E1A 0%, #0B1A2E 100%);
}
.service-hero .inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
}
.service-hero .badge {
  display: inline-block;
  padding: 6px 18px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-dark);
  background: var(--color-accent);
  margin-bottom: 24px;
}
.service-hero .en {
  display: block;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.service-hero h1 {
  font-family: var(--font-mincho);
  font-size: 46px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  color: var(--color-ivory);
  margin-bottom: 20px;
}
.service-hero .catch {
  font-family: var(--font-mincho);
  font-size: 18px;
  color: rgba(245, 241, 230, 0.9);
  line-height: 2;
  font-weight: 400;
  margin-bottom: 40px;
}
.service-hero .meta {
  display: inline-flex;
  gap: 32px;
  padding: 20px 34px;
  border: 1px solid rgba(232, 197, 114, 0.35);
  margin-top: 10px;
}
.service-hero .meta > div {
  text-align: left;
}
.service-hero .meta .label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 4px;
}
.service-hero .meta .value {
  font-family: var(--font-mincho);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ivory);
}

/* ----- Feature Column ----- */
.feature-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin: 50px 0;
}
.feature-col {
  padding: 40px 34px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent);
}
.feature-col .num {
  font-family: var(--font-mincho);
  font-size: 14px;
  color: var(--color-accent-deep);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.feature-col h3 {
  font-family: var(--font-mincho);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.5;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.feature-col p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-light);
}

/* ----- Timeline ----- */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 50px auto 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 34px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--color-accent);
  opacity: 0.4;
}
.timeline-item {
  position: relative;
  padding: 0 0 44px 90px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-ivory);
  box-shadow: 0 0 0 1px var(--color-accent);
}
.timeline-item .step {
  font-family: var(--font-mincho);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-accent-deep);
  margin-bottom: 6px;
}
.timeline-item h4 {
  font-family: var(--font-mincho);
  font-size: 19px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.5;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.timeline-item p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-light);
}

/* ----- Side CTA card (Upsell) ----- */
.upsell-card {
  padding: 50px 44px;
  background: var(--color-dark);
  color: var(--color-ivory);
  text-align: center;
  margin: 60px 0;
  position: relative;
  overflow: hidden;
}
.upsell-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 30%, rgba(232,197,114,0.1) 0%, transparent 60%);
}
.upsell-card > * { position: relative; }
.upsell-card .label {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.upsell-card h3 {
  font-family: var(--font-mincho);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-ivory);
  letter-spacing: 0.08em;
  line-height: 1.5;
  margin-bottom: 16px;
}
.upsell-card p {
  font-size: 14px;
  line-height: 2;
  color: rgba(245, 241, 230, 0.8);
  margin-bottom: 30px;
}

/* ----- Company info ----- */
.company-table {
  width: 100%;
  border-collapse: collapse;
  margin: 40px 0;
}
.company-table th,
.company-table td {
  padding: 22px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  line-height: 1.8;
  vertical-align: top;
}
.company-table th {
  width: 30%;
  font-family: var(--font-mincho);
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.04em;
  background: var(--color-bg-ivory);
}
.company-table td { color: var(--color-light); }

/* ----- Form enhancements ----- */
.form-section {
  padding: 100px 0;
}
.form-intro {
  max-width: 720px;
  margin: 0 auto 50px;
  text-align: center;
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-light);
}

/* ----- Responsive additions ----- */
@media (max-width: 1024px) {
  .page-header h1 { font-size: 38px; }
  .feature-columns { grid-template-columns: 1fr; }
  .reason-block .body { padding-left: 0; }
  .service-hero h1 { font-size: 36px; }
}
@media (max-width: 640px) {
  .page-header { padding: calc(var(--header-height) + 60px) 0 70px; }
  .page-header h1 { font-size: 28px; letter-spacing: 0.08em; }
  .page-header .lead { font-size: 13px; }
  .content-section { padding: 70px 0; }
  .content-narrow { padding: 0 24px; }
  .content-narrow h2 { font-size: 22px; }
  .content-narrow h3 { font-size: 17px; }
  .content-narrow p { font-size: 14px; }
  .reason-block { padding: 40px 0; }
  .reason-block .head { gap: 16px; flex-direction: column; }
  .reason-block .num { font-size: 32px; min-width: auto; }
  .reason-block .title { font-size: 19px; }
  .service-hero { padding: calc(var(--header-height) + 50px) 0 60px; }
  .service-hero h1 { font-size: 26px; letter-spacing: 0.06em; }
  .service-hero .catch { font-size: 15px; }
  .service-hero .meta { flex-direction: column; gap: 16px; padding: 20px; }
  .timeline::before { left: 18px; }
  .timeline-item { padding: 0 0 36px 50px; }
  .timeline-item::before { left: 12px; }
  .breadcrumb ol { padding: 0 24px; }
  .upsell-card { padding: 40px 28px; }
  .upsell-card h3 { font-size: 20px; }
  .company-table th { width: 38%; padding: 16px 12px; font-size: 13px; }
  .company-table td { padding: 16px 12px; font-size: 13px; }
  .quote-block { padding: 28px; font-size: 16px; }
}

/* ----- Mobile hamburger menu ----- */
#mobile-menu-btn {
  display: none;
  width: 32px;
  height: 32px;
  position: relative;
  cursor: pointer;
  z-index: 1100;
}
#mobile-menu-btn span {
  position: absolute;
  left: 4px;
  right: 4px;
  height: 1px;
  background: var(--color-ivory);
  transition: all var(--transition-base);
}
#mobile-menu-btn span:nth-child(1) { top: 10px; }
#mobile-menu-btn span:nth-child(2) { top: 16px; }
#mobile-menu-btn span:nth-child(3) { top: 22px; }
#mobile-menu-btn.active span:nth-child(1) { top: 16px; transform: rotate(45deg); }
#mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
#mobile-menu-btn.active span:nth-child(3) { top: 16px; transform: rotate(-45deg); }

.header-nav .nav-active {
  color: var(--color-accent);
}

@media (max-width: 900px) {
  #mobile-menu-btn { display: block; }
  .header-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(6, 14, 26, 0.97);
    backdrop-filter: blur(10px);
    padding: 100px 40px 40px;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 1050;
    overflow-y: auto;
  }
  .header-nav.mobile-open { transform: translateX(0); }
  .header-nav a { font-size: 14px; }
  .header-nav .nav-cta { margin-top: 20px; }
  #header.header-scrolled + #mobile-menu-btn,
  #header + #mobile-menu-btn {
    position: fixed;
    top: 20px;
    right: 20px;
  }
}