:root {
  /* === ブランドカラー（正式版） === */
  --navy:       #1E2B69;  /* ロゴの竿の色 - プライマリ */
  --accent-red: #DA3A2A;  /* ロゴの旗の色 - アクセント */

  /* === セカンダリ === */
  --blue:       #1A4F9C;
  --cyan:       #1B8FD4;
  --cyan-light: #E8F4FC;

  /* === ニュートラル === */
  --white:      #FFFFFF;
  --off:        #F7F9FC;
  --gray-100:   #F0F2F5;
  --gray-200:   #E2E6ED;
  --gray-400:   #8A96A8;
  --gray-600:   #4A5568;
  --gray-800:   #1A202C;

  /* === 旧変数（互換性のため一時保持。後で削除予定） === */
  --orange:     #DA3A2A;  /* 旧 --orange は --accent-red にエイリアス */

  /* === フォント === */
  --font-logo:  'Space Grotesk', sans-serif;
  --font-en:    'DM Sans', sans-serif;
  --font-jp:    'Noto Sans JP', sans-serif;
  --font-serif: 'DM Serif Display', serif;

  /* === グラデーション === */
  --grad: linear-gradient(110deg, #1B8FD4 0%, #56CCF2 50%, #1B8FD4 100%);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-jp);
  font-size: 15px;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAV ===== */
.main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
/* ===== Page Header（サブページ用） ===== */
.page-header {
  position: relative;
  background: var(--navy);
  padding: 200px 5% 140px;
  text-align: center;
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}
.page-header.has-bg::before {
  content: '';
  position: absolute; inset: 0;
  background-size: cover; background-position: var(--bg-position, center);
  background-image: var(--bg-image);
  z-index: -2;
}
.page-header.has-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(5,10,25,0.82) 0%, rgba(5,10,25,0.72) 60%, rgba(8,15,35,0.62) 100%);
  z-index: -1;
}
.page-header .page-eyebrow {
  font-size: 14px; font-weight: 500;
  letter-spacing: 4px; color: var(--cyan);
  margin-bottom: 16px;
}
.page-header h1 {
  font-family: var(--font-en);
  font-size: clamp(32px, 5vw, 64px); font-weight: 700;
  line-height: 1; color: #ffffff; margin: 0 0 20px;
  letter-spacing: 2px; text-transform: uppercase;
}
.page-header .page-sub {
  font-size: 15px; color: rgba(255,255,255,0.85);
  line-height: 1.9; max-width: 760px; margin: 0 auto;
}
@media (max-width: 640px) {
  .page-header { padding: 140px 5% 80px; }
}
.nav-logo {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 28px; height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}
.nav-logo-text {
  font-family: var(--font-logo);
  font-weight: 700; font-size: 22px; letter-spacing: -0.5px;
  background: var(--grad); background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 4s linear infinite;
}
@keyframes gradShift {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}
.nav-right { display: flex; align-items: center; gap: 32px; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  display: flex; flex-direction: column; align-items: center;
  color: var(--gray-600); text-decoration: none;
  transition: color 0.2s; white-space: nowrap; line-height: 1.2;
}
.nav-links a .en {
  font-family: var(--font-en); font-size: 13px; font-weight: 600;
  letter-spacing: 1.2px; text-transform: uppercase;
}
.nav-links a .ja {
  font-size: 10px; font-weight: 500; letter-spacing: 0.5px;
  margin-top: 3px; color: var(--gray-500);
}
.nav-links a:hover, .nav-links a:hover .ja { color: var(--cyan); }
.nav-cta {
  background: var(--cyan); color: var(--white);
  padding: 10px 24px; font-size: 14px; font-weight: 700;
  text-decoration: none; transition: background 0.2s; display: inline-block;
  letter-spacing: 0.5px; white-space: nowrap; flex-shrink: 0;
}
.nav-cta:hover { background: var(--blue); }

/* ===== HERO WITH VIDEO ===== */
.hero-wrap {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--navy);
}
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.98) 0%, rgba(0,0,0,0.80) 60%, rgba(0,0,0,0.60) 100%);
  z-index: 1;
}
.hero-inner {
  position: relative; z-index: 2;
  width: 100%; max-width: 900px;
  margin: 0 auto;
  padding: 140px 5% 100px;
  text-align: center;
}
.hero-eyebrow {
  font-family: var(--font-en); font-size: 16px; font-weight: 600;
  letter-spacing: 4px; color: var(--cyan); text-transform: uppercase;
  margin-bottom: 32px; min-height: 1.5em;
}
.type-cursor {
  display: inline-block;
  color: var(--cyan);
  font-weight: 300;
  margin-left: 1px;
  animation: blink 0.7s infinite;
  transition: opacity 0.4s;
}
.type-cursor.done { opacity: 0; animation: none; }
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.hero-wrap h1 {
  font-size: clamp(32px, 4.5vw, 56px); font-weight: 700;
  line-height: 1.2; color: #ffffff; margin-bottom: 32px;
  letter-spacing: -1px; white-space: nowrap;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 2.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 2.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-wrap h1.revealed {
  opacity: 1;
  transform: translateY(0);
}
.hero-sub {
  font-size: 24px; color: #ffffff;
  line-height: 2; font-weight: 400;
  max-width: 680px; margin: 0 auto 48px;
  opacity: 0;
  transition: opacity 1.8s ease;
}
.hero-sub.revealed {
  opacity: 1;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.btn-primary {
  background: var(--cyan); color: var(--white);
  padding: 16px 36px; font-size: 15px; font-weight: 700;
  text-decoration: none; letter-spacing: 0.5px;
  transition: all 0.2s; display: inline-block;
}
.btn-primary:hover { background: #1577B3; }
.btn-secondary {
  background: transparent; color: var(--white);
  padding: 16px 36px; font-size: 15px; font-weight: 500;
  text-decoration: none; letter-spacing: 0.5px;
  border: 1.5px solid rgba(255,255,255,0.5);
  transition: all 0.2s; display: inline-block;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

/* ===== MARQUEE GALLERY ===== */
.marquee-section {
  overflow: hidden;
  padding: 0;
  margin: 0;
  background: var(--white);
  display: block;
  font-size: 0;
  line-height: 0;
}
.marquee-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marqueeScroll 40s linear infinite;
}
.marquee-item {
  position: relative;
  flex-shrink: 0;
  display: block;
  line-height: 0;
}
.marquee-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  pointer-events: none;
}
.marquee-img {
  width: 320px;
  height: 180px;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
}
@keyframes marqueeScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
  padding: 20px 5%;
}
.trust-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 40px; flex-wrap: wrap;
}
.trust-label {
  font-size: 11px; color: var(--gray-400); letter-spacing: 2px;
  text-transform: uppercase; font-family: var(--font-en); white-space: nowrap;
}
.trust-vr { width: 1px; height: 20px; background: var(--gray-200); }
.trust-items { display: flex; gap: 28px; flex-wrap: wrap; }
.trust-item {
  font-size: 14px; color: var(--gray-600);
  display: flex; align-items: center; gap: 8px; font-weight: 500;
}
.trust-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); flex-shrink: 0; }

/* ===== SECTION COMMON ===== */
section { padding: 100px 5%; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-eyebrow {
  font-family: var(--font-en); font-size: 11px; font-weight: 500;
  letter-spacing: 3px; color: var(--cyan); text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
  font-size: clamp(24px, 3vw, 38px); font-weight: 700;
  color: var(--navy); line-height: 1.3; margin-bottom: 20px; letter-spacing: -0.3px;
}
.section-sub {
  font-size: 16px; color: var(--gray-600);
  line-height: 1.9; max-width: 640px; font-weight: 400;
}

/* ===== CHALLENGES ===== */
.pain { background: var(--off); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 56px; }
.pain-card { background: var(--white); padding: 36px 32px; position: relative; }
.pain-card::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 40px; background: var(--cyan); }
.pain-num { font-family: var(--font-en); font-size: 11px; font-weight: 500; color: var(--gray-400); letter-spacing: 2px; margin-bottom: 14px; }
.pain-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 12px; line-height: 1.5; }
.pain-body { font-size: 14px; color: var(--gray-600); line-height: 1.85; font-weight: 400; }
.pain-solve {
  background: var(--navy); padding: 40px 36px; margin-top: 2px;
  grid-column: 1 / -1; display: flex; align-items: center;
  justify-content: space-between; gap: 40px;
}
.pain-solve-text { font-size: 18px; font-weight: 500; color: var(--white); line-height: 1.7; }
.pain-solve-text em { font-style: normal; color: var(--cyan); }
.pain-solve-btn {
  background: var(--white); color: var(--navy); padding: 16px 36px;
  font-size: 15px; font-weight: 700; text-decoration: none;
  white-space: nowrap; transition: all 0.2s; display: inline-block;
}
.pain-solve-btn:hover { background: var(--cyan); color: var(--white); }

/* ===== OMAKASE ===== */
.omakase { background: var(--white); }
.omakase-intro { font-size: 16px; color: var(--gray-600); line-height: 2; font-weight: 400; max-width: 760px; margin-top: 20px; }
.omakase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.omakase-card {
  border: 1px solid var(--gray-200); padding: 36px 28px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.omakase-card:hover { border-color: var(--cyan); box-shadow: 0 4px 24px rgba(27,143,212,0.08); }
.omakase-card-num { font-family: var(--font-en); font-size: 11px; color: var(--cyan); letter-spacing: 2px; margin-bottom: 16px; font-weight: 500; }
.omakase-card-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 14px; line-height: 1.5; }
.omakase-card-body { font-size: 14px; color: var(--gray-600); line-height: 1.9; font-weight: 400; }

/* ===== ASSET ===== */
.asset { background: var(--navy); }
.asset .section-eyebrow { color: var(--cyan); }
.asset .section-title { color: var(--white); white-space: nowrap; }
.asset-intro { font-size: 16px; color: rgba(255,255,255,0.65); line-height: 2; font-weight: 400; max-width: 760px; margin-top: 20px; }
.asset-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 48px; background: rgba(255,255,255,0.06); }
.asset-card { background: var(--navy); padding: 36px 28px; }
.asset-card-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(27,143,212,0.15);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.asset-card-icon svg { width: 20px; height: 20px; stroke: var(--cyan); fill: none; stroke-width: 1.5; }
.asset-card-title { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 14px; line-height: 1.5; }
.asset-card-body { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.9; font-weight: 400; }

/* ===== SERVICES ===== */
.services { background: var(--off); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.service-card {
  background: var(--white); border: 1px solid var(--gray-200);
  padding: 40px 32px; transition: border-color 0.2s, box-shadow 0.2s;
}
.service-card:hover { border-color: var(--cyan); box-shadow: 0 4px 24px rgba(27,143,212,0.08); }
.service-icon { width: 52px; height: 52px; background: var(--cyan-light); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.service-icon svg { width: 24px; height: 24px; stroke: var(--cyan); fill: none; stroke-width: 1.5; }
.service-title { font-size: 18px; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.service-body { font-size: 14px; color: var(--gray-600); line-height: 1.9; font-weight: 400; margin-bottom: 24px; }
.service-list { list-style: none; }
.service-list li {
  font-size: 13px; color: var(--gray-600); padding: 7px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex; align-items: center; gap: 10px; font-weight: 400;
}
.service-list li::before { content: ''; width: 5px; height: 5px; background: var(--cyan); border-radius: 50%; flex-shrink: 0; }

/* ===== STRENGTHS ===== */
.strengths { background: var(--navy); }
.strengths .section-title { color: var(--white); }
.strengths .section-sub { color: rgba(255,255,255,0.6); }
.strengths .section-eyebrow { color: var(--cyan); }
.strengths-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 56px; background: rgba(255,255,255,0.08); }
.strength-card { background: var(--navy); padding: 40px 32px; }
.strength-num { font-family: var(--font-logo); font-size: 44px; font-weight: 300; color: rgba(255,255,255,0.1); line-height: 1; margin-bottom: 20px; }
.strength-title { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.strength-body { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.9; font-weight: 400; }
.zero-block {
  background: rgba(27,143,212,0.08); border: 1px solid rgba(27,143,212,0.2);
  padding: 40px; display: flex; align-items: center; gap: 60px; margin-top: 1px;
}
.zero-num { font-family: var(--font-logo); font-size: 100px; font-weight: 300; color: var(--cyan); line-height: 1; flex-shrink: 0; }
.zero-text-title { font-size: 19px; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.zero-text-body { font-size: 15px; color: rgba(255,255,255,0.6); line-height: 1.9; font-weight: 400; }

/* ===== USE CASES ===== */
.usecases { background: var(--white); }
.usecase-intro-title {
  font-size: clamp(24px, 3vw, 36px); font-weight: 800;
  line-height: 1.5; color: var(--navy);
  text-align: center; letter-spacing: -0.5px;
  margin: 0 auto 64px;
}
.usecases-intro { font-size: 16px; color: var(--gray-600); line-height: 2; font-weight: 400; max-width: 760px; margin-top: 20px; }
.usecase-block { margin-top: 64px; }
.usecase-block + .usecase-block { margin-top: 56px; padding-top: 56px; border-top: 1px solid var(--gray-200); }
.usecase-cat-header { display: flex; align-items: flex-start; gap: 28px; margin-bottom: 32px; }
.usecase-cat-num { font-family: var(--font-logo); font-size: 52px; font-weight: 300; color: var(--gray-200); line-height: 1; flex-shrink: 0; }
.usecase-cat-badge {
  display: inline-block; background: var(--cyan-light); color: var(--cyan);
  font-size: 11px; font-weight: 700; padding: 4px 12px;
  letter-spacing: 1px; margin-bottom: 10px;
}
.usecase-cat-title { font-size: 21px; font-weight: 700; color: var(--navy); margin-bottom: 8px; line-height: 1.4; }
.usecase-cat-sub { font-size: 14px; color: var(--gray-600); font-weight: 400; line-height: 1.8; }
.usecase-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.usecase-item {
  background: var(--off); border: 1px solid var(--gray-200);
  padding: 28px 24px; position: relative; padding-left: 36px;
}
.usecase-item::before { content: ''; position: absolute; left: 0; top: 0; width: 3px; height: 100%; background: var(--cyan); opacity: 0.5; }
.usecase-item-title { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.usecase-item-body { font-size: 13px; color: var(--gray-600); line-height: 1.85; font-weight: 400; }

/* ===== FLOW ===== */
.flow { background: var(--off); }
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); row-gap: 48px; margin-top: 56px; }
.flow-step { text-align: center; padding: 0 16px; position: relative; }
.flow-step:not(:nth-child(4n))::after {
  content: ''; position: absolute; top: 27px; left: 50%;
  width: 100%; height: 1px; background: var(--gray-200); z-index: 0;
}
.flow-circle {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--white); border: 2px solid var(--navy);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-family: var(--font-logo); font-size: 14px; font-weight: 600; color: var(--navy);
  position: relative; z-index: 1;
}
.flow-step.active .flow-circle { background: var(--navy); color: var(--white); }
.flow-title { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.flow-body { font-size: 13px; color: var(--gray-600); line-height: 1.8; font-weight: 400; }
.flow-tag {
  display: inline-block; background: var(--cyan-light); color: var(--cyan);
  font-size: 11px; font-weight: 500; padding: 3px 10px; letter-spacing: 0.5px; margin-top: 6px;
}

/* ===== PRICING ===== */
.pricing { background: var(--white); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.price-card { border: 1px solid var(--gray-200); padding: 40px 32px; position: relative; background: var(--off); }
.price-card.featured { border-color: var(--navy); border-width: 2px; background: var(--white); }
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--orange); color: var(--white);
  font-size: 12px; font-weight: 700; padding: 5px 18px; letter-spacing: 1px; white-space: nowrap;
}
.price-name { font-size: 13px; font-weight: 700; color: var(--gray-400); letter-spacing: 2px; text-transform: uppercase; font-family: var(--font-en); margin-bottom: 16px; }
.price-amount { font-family: var(--font-logo); font-size: 38px; font-weight: 400; color: var(--navy); line-height: 1; margin-bottom: 6px; }
.price-amount span { font-size: 16px; font-weight: 400; }
.price-from { font-size: 13px; color: var(--gray-400); margin-bottom: 28px; }
.price-divider { height: 1px; background: var(--gray-200); margin-bottom: 28px; }
.price-list { list-style: none; }
.price-list li {
  font-size: 14px; color: var(--gray-600); padding: 9px 0;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--gray-100); font-weight: 400;
}
.check { width: 18px; height: 18px; background: var(--cyan-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.check::after { content: ''; width: 5px; height: 3px; border-left: 1.5px solid var(--cyan); border-bottom: 1.5px solid var(--cyan); transform: rotate(-45deg) translate(1px, -1px); display: block; }
.price-note { font-size: 13px; color: var(--gray-400); text-align: center; margin-top: 28px; line-height: 1.9; }

/* ===== TESTIMONIALS ===== */
.voice { background: var(--off); }
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.voice-card { background: var(--white); border: 1px solid var(--gray-200); padding: 36px 32px; }
.voice-quote { font-size: 36px; color: var(--cyan); line-height: 1; margin-bottom: 16px; font-family: var(--font-serif); }
.voice-text { font-size: 14px; color: var(--gray-600); line-height: 2; font-weight: 400; margin-bottom: 24px; }
.voice-author { font-size: 13px; color: var(--gray-400); border-top: 1px solid var(--gray-200); padding-top: 16px; }
.voice-author strong { display: block; color: var(--gray-600); font-weight: 700; margin-bottom: 3px; font-size: 14px; }

/* ===== CONTACT FORM ===== */
.contact-section { background: var(--navy); padding: 100px 5%; }
.contact-section .section-eyebrow { color: var(--cyan); }
.contact-section .section-title { color: var(--white); }
.contact-section .section-sub { color: rgba(255,255,255,0.65); }
.contact-wrap {
  max-width: 720px; margin: 56px auto 0;
}
.contact-info {}
.contact-info-item { margin-bottom: 32px; }
.contact-info-label {
  font-size: 11px; color: rgba(255,255,255,0.4);
  letter-spacing: 1.5px; text-transform: uppercase;
  font-family: var(--font-en); margin-bottom: 6px;
}
.contact-info-value { font-size: 15px; color: var(--white); font-weight: 400; }
.contact-info-value a { color: var(--cyan); text-decoration: none; }
.contact-form {}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-label {
  display: block; font-size: 13px; font-weight: 700;
  color: rgba(255,255,255,0.8); margin-bottom: 8px; letter-spacing: 0.3px;
}
.form-label .req {
  display: inline-block; background: var(--cyan); color: var(--white);
  font-size: 10px; font-weight: 700; padding: 2px 6px; margin-left: 6px; vertical-align: middle;
}
.form-input,
.form-textarea {
  width: 100%; padding: 14px 16px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white); font-family: var(--font-jp); font-size: 15px; font-weight: 400;
  transition: border-color 0.2s, background 0.2s;
  outline: none; appearance: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-input:focus, .form-textarea:focus {
  border-color: var(--cyan); background: rgba(27,143,212,0.08);
}
.form-textarea { height: 140px; resize: vertical; }
.form-radio-group { display: flex; gap: 12px; flex-wrap: wrap; }
.form-radio {
  flex: 1; min-width: 200px;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; cursor: pointer;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.85); font-size: 15px;
  transition: all 0.2s;
}
.form-radio:hover { border-color: var(--cyan); background: rgba(27,143,212,0.08); }
.form-radio input { accent-color: var(--cyan); cursor: pointer; margin: 0; }
.form-radio:has(input:checked) {
  border-color: var(--cyan); background: rgba(27,143,212,0.15); color: var(--white); font-weight: 600;
}
.form-submit {
  width: 100%; padding: 18px; background: var(--cyan);
  color: var(--white); border: none; font-family: var(--font-jp);
  font-size: 16px; font-weight: 700; cursor: pointer;
  letter-spacing: 1px; transition: background 0.2s; margin-top: 8px;
}
.form-submit:hover { background: #1577B3; }
.form-msg {
  margin-top: 16px; padding: 16px; font-size: 14px;
  font-weight: 500; display: none; text-align: center;
}
.form-msg.success { background: rgba(27,143,212,0.15); color: #56CCF2; border: 1px solid rgba(27,143,212,0.3); }
.form-msg.error { background: rgba(220,53,69,0.15); color: #FF8A9B; border: 1px solid rgba(220,53,69,0.3); }

/* ===== FOOTER ===== */
footer { background: #080F1F; padding: 64px 5% 32px; }
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-logo {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  margin-bottom: 12px;
}
.footer-logo-icon {
  width: 34px; height: 34px;
  object-fit: contain;
  flex-shrink: 0;
}
.footer-logo-text {
  font-family: var(--font-logo); font-size: 28px; font-weight: 700;
  background: var(--grad); background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; animation: gradShift 4s linear infinite;
}
.footer-tagline {
  font-size: 16px; color: #ffffff;
  line-height: 1.7; margin-bottom: 40px;
}
.footer-nav {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 12px 32px; list-style: none;
  padding-bottom: 40px;
  margin-bottom: 32px;
}
.footer-nav a {
  font-size: 14px; color: #ffffff;
  text-decoration: none; font-weight: 400; transition: color 0.2s;
}
.footer-nav a:hover { color: var(--cyan); }
.footer-bottom { text-align: center; padding: 24px 5% 32px; }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.2); }

/* ===== BACK TO TOP ===== */
#backToTop {
  position: fixed; bottom: 32px; right: 32px; z-index: 500;
  width: 52px; height: 52px;
  background: var(--navy); border: 2px solid var(--cyan);
  color: var(--cyan); font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.25s;
  opacity: 0; pointer-events: none;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(27,143,212,0.3);
}
#backToTop.visible { opacity: 1; pointer-events: all; }
#backToTop:hover { background: var(--cyan); color: var(--white); transform: translateY(-3px); }

/* ===== PROFILE ===== */
.profile-section {
  background: var(--off);
  padding: 80px 5%;
  border-bottom: 1px solid var(--gray-200);
}
.profile-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 56px;
}
.profile-inner.no-photo {
  max-width: 800px; text-align: center; flex-direction: column;
}
.profile-photo {
  width: 160px; height: 160px; border-radius: 50%;
  object-fit: cover; object-position: center top;
  flex-shrink: 0;
  border: 4px solid var(--white);
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}
.profile-body {}
.profile-title {
  font-size: clamp(20px, 2.5vw, 28px); font-weight: 700;
  color: var(--navy); line-height: 1.3; margin-bottom: 20px;
}
.profile-text {
  font-size: 15px; color: var(--gray-600);
  line-height: 2; font-weight: 400; margin-bottom: 20px;
}
.profile-text p + p { margin-top: 16px; }
.profile-name {
  font-size: 14px; color: var(--gray-600);
  border-top: 1px solid var(--gray-200); padding-top: 16px;
  font-weight: 500; line-height: 1.8;
}
.profile-name strong { display: block; font-size: 16px; color: var(--navy); font-weight: 700; }
@media (max-width: 640px) {
  .profile-inner { flex-direction: column; gap: 28px; text-align: center; }
  .profile-photo { width: 120px; height: 120px; }
}

/* ===== HOVER EFFECTS 強化 ===== */
.service-card {
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 12px 40px rgba(27,143,212,0.12);
}
.omakase-card {
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.omakase-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 12px 40px rgba(27,143,212,0.12);
}
.voice-card {
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.voice-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 8px 32px rgba(27,143,212,0.1);
}
.price-card {
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(13,27,62,0.12);
}
.btn-primary, .btn-secondary, .pain-solve-btn, .nav-cta {
  transition: all 0.25s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(27,143,212,0.35); }
.pain-solve-btn:hover { transform: translateY(-2px); }

/* ===== スクロールアニメーション強化 ===== */
.reveal-left  { opacity: 0; transform: translateX(-32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-right { opacity: 0; transform: translateX(32px);  transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal-left.visible, .reveal-right.visible { opacity: 1; transform: none; }

/* ===== CURSOR FOLLOWER ===== */
.cursor-follower {
  position: fixed;
  width: 14px; height: 14px;
  background: #DA3A2A;
  border: 0.5px solid #DA3A2A;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width     0.375s cubic-bezier(0.625, 0.05, 0, 1),
              height    0.375s cubic-bezier(0.625, 0.05, 0, 1),
              background-color 0.375s cubic-bezier(0.625, 0.05, 0, 1),
              opacity   0.3s;
  opacity: 0;
}
.cursor-follower.hovered {
  width: 36px; height: 36px;
  background: rgba(218, 58, 42, 0.15);
  border-color: #DA3A2A;
}
@media (hover: none), (max-width: 768px) {
  .cursor-follower { display: none; }
}



/* ===== FAQ ===== */
.faq { background: var(--white); }
.faq-list { max-width: 800px; margin: 56px auto 0; }
.faq-item {
  border-bottom: 1px solid var(--gray-200);
}
.faq-question {
  width: 100%; background: none; border: none;
  padding: 24px 0; display: flex; align-items: center;
  justify-content: space-between; gap: 24px;
  font-family: var(--font-jp); font-size: 16px; font-weight: 700;
  color: var(--navy); cursor: pointer; text-align: left;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--cyan); }
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--cyan-light); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--cyan); transition: transform 0.3s, background 0.2s;
  line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--cyan); color: var(--white); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 14px; color: var(--gray-600); line-height: 1.9;
}
.faq-item.open .faq-answer { max-height: 400px; padding-bottom: 24px; }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */

/* 水平スクロール防止 */
html, body { overflow-x: hidden; max-width: 100%; }

@media (max-width: 960px) {
  .asset .section-title { white-space: normal; }
  .pain-grid, .services-grid, .strengths-grid, .omakase-grid, .asset-grid, .pricing-grid, .voice-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .flow-step::after { display: none; }
  .usecase-items { grid-template-columns: 1fr; }
  .pain-solve { flex-direction: column; align-items: flex-start; gap: 20px; }
  .zero-block { flex-direction: column; gap: 24px; }
  .nav-links { display: none; }
  .nav-right { gap: 0; }
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .usecase-cat-header { flex-direction: column; gap: 12px; }
  .usecase-cat-num { font-size: 36px; }
  #backToTop { bottom: 20px; right: 20px; }
}

@media (max-width: 640px) {
  /* ナビ */
  .main-nav { padding: 0 4%; height: 60px; }
  .nav-logo { font-size: 18px; }
  .nav-cta { padding: 8px 16px; font-size: 13px; }

  /* ヒーロー */
  .hero-inner { padding: 100px 5% 80px; }
  .hero-sub { font-size: 14px; line-height: 1.9; }
  .hero-btns { flex-direction: column; align-items: center; gap: 12px; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 280px; text-align: center; padding: 14px 24px; }

  /* トラストバー */
  .trust-inner { gap: 16px; }
  .trust-items { gap: 12px; }
  .trust-item { font-size: 13px; }
  .trust-vr { display: none; }

  /* マーキー画像 */
  .marquee-img { width: 240px; height: 135px; }

  /* セクション共通 */
  section { padding: 64px 5%; }
  .section-title { font-size: clamp(20px, 5vw, 28px); }
  .section-sub { font-size: 14px; }

  /* 課題 */
  .pain-card { padding: 28px 20px; }
  .pain-solve { padding: 28px 20px; }
  .pain-solve-text { font-size: 16px; }
  .pain-solve-btn { width: 100%; text-align: center; }

  /* サービス */
  .service-card { padding: 32px 20px; }

  /* 強み */
  .strength-card { padding: 32px 20px; }
  .zero-block { padding: 28px 20px; }
  .zero-num { font-size: 72px; }

  /* フロー */
  .flow-steps { grid-template-columns: 1fr; row-gap: 24px; }

  /* 料金 */
  .price-card { padding: 32px 20px; }

  /* お客様の声 */
  .voice-card { padding: 28px 20px; }

  /* フォーム */
  .contact-section { padding: 64px 5%; }
  .form-input, .form-textarea { font-size: 16px; } /* iOS自動ズーム防止 */

  /* フッター */
  footer { padding: 48px 5% 24px; }
  .footer-logo { font-size: 22px; }
  .footer-tagline { font-size: 14px; }
  .footer-nav { gap: 10px 20px; }
}



/* ============================================
   ABOUT PAGE（セクション別個性デザイン）
   ============================================ */

.about-page { background: var(--white); }

/* ===== 共通eyebrow ===== */
.belief-eyebrow,
.mission-eyebrow,
.vision-eyebrow,
.values-eyebrow,
.message-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en);
  font-size: 13px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--navy);
}
.belief-eyebrow .bullet,
.mission-eyebrow .bullet,
.values-eyebrow .bullet,
.message-eyebrow .bullet {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-red);
  display: inline-block;
}
.vision-eyebrow {
  color: rgba(255,255,255,0.85);
}
.vision-eyebrow .bullet {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-red);
  display: inline-block;
  box-shadow: 0 0 16px rgba(218,58,42,0.6);
}

/* ============================================
   1. BELIEF（Mission と同じ左右分割レイアウト）
   ============================================ */
.belief-section {
  padding: 120px 5%;
  background: #FAFBFD;
  position: relative;
  overflow: hidden;
}
.belief-section::before {
  content: '';
  position: absolute;
  width: 60%; height: 60%;
  background: linear-gradient(135deg, rgba(30,43,105,0.04) 0%, transparent 100%);
  top: 0; left: 0;
  border-bottom-right-radius: 100%;
  pointer-events: none;
}
.belief-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 60px;
  align-items: stretch;
  position: relative;
}
.belief-left {
  border-right: 2px solid var(--gray-200);
  padding-right: 60px;
  padding-top: 8px;
}
.belief-title {
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 40px;
  letter-spacing: 0.03em;
}
.belief-body {
  font-size: 18px;
  color: #4A5568;
  line-height: 2;
  max-width: 640px;
}
.belief-body p { margin-bottom: 18px; }
.belief-body p:last-child { margin-bottom: 0; }

/* ============================================
   2. MISSION（左右非対称・モダン）
   ============================================ */
.mission-section {
  padding: 120px 5%;
  background: var(--white);
  position: relative;
  overflow: hidden;
}
.mission-section::before {
  content: '';
  position: absolute;
  width: 60%; height: 60%;
  background: linear-gradient(135deg, rgba(30,43,105,0.04) 0%, transparent 100%);
  top: 0; right: 0;
  border-bottom-left-radius: 100%;
  pointer-events: none;
}
.mission-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 60px;
  align-items: stretch;
  position: relative;
}
.mission-left {
  border-right: 2px solid var(--gray-200);
  padding-right: 60px;
  padding-top: 8px;
}
.mission-num {
  font-family: var(--font-en);
  font-size: 200px;
  font-weight: 700;
  color: var(--accent-red);
  line-height: 0.9;
  margin-top: 32px;
  letter-spacing: -8px;
}
.mission-right { padding-left: 0; }
.mission-title {
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 40px;
  letter-spacing: 0.02em;
}
.mission-body {
  font-size: 18px;
  color: #4A5568;
  line-height: 2;
  max-width: 640px;
}
.mission-body strong {
  color: var(--accent-red);
  font-weight: 700;
}

/* ============================================
   3. VISION（ダーク背景＋太陽モチーフ）
   ============================================ */
.vision-section {
  position: relative;
  padding: 140px 5%;
  background: linear-gradient(180deg, #0E1838 0%, #1E2B69 100%);
  color: var(--white);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.vision-sun {
  position: absolute;
  width: 550px; height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(218,58,42,0.55) 0%, rgba(218,58,42,0.22) 35%, transparent 80%);
  bottom: -330px;
  left: 50%;
  transform: translateX(-50%);
  filter: blur(20px);
  z-index: -1;
  animation: sunPulse 5s ease-in-out infinite;
}
@keyframes sunPulse {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; }
  50%      { transform: translateX(-50%) scale(1.06); opacity: 0.85; }
}
.vision-inner {
  max-width: 900px; margin: 0 auto;
  position: relative;
}
.vision-title {
  font-size: clamp(28px, 6vw, 76px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin: 32px 0 40px;
  letter-spacing: 0.05em;
}
.vision-body {
  font-size: 19px;
  color: rgba(255,255,255,0.85);
  line-height: 2.2;
  max-width: 720px;
  margin: 0 auto;
}
.vision-body p { margin-bottom: 12px; }
.vision-body p:last-child { margin-bottom: 0; }

/* ============================================
   4. VALUES（番号リスト）
   ============================================ */
.values-section {
  padding: 120px 5%;
  background: #FAFBFD;
}
.values-inner {
  max-width: 1100px; margin: 0 auto;
}
.values-header {
  text-align: center;
  margin-bottom: 64px;
}
.values-header .values-title {
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-top: 20px;
  letter-spacing: 0.02em;
}
.values-list {
  list-style: none;
  border-top: 1px solid var(--gray-200);
}
.values-row {
  padding: 36px 8px;
  border-bottom: 1px solid var(--gray-200);
}
.values-name {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.5;
  margin-bottom: 14px;
}
.values-name .values-num {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-right: 2px;
}
.values-name .values-divider {
  font-weight: 300;
  color: var(--gray-400);
  margin: 0 12px 0 8px;
}
.values-desc {
  font-size: 15px;
  color: #4A5568;
  line-height: 2;
  padding-left: 0;
}

/* ============================================
   5. MESSAGE（手紙風カード）
   ============================================ */
.message-section {
  position: relative;
  padding: 120px 5%;
  background: linear-gradient(180deg, var(--white) 0%, #FAFBFD 100%);
  overflow: hidden;
}
.message-deco {
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30,43,105,0.05) 0%, transparent 70%);
  top: -100px; right: -100px;
  z-index: 0;
  pointer-events: none;
}
.message-inner {
  max-width: 800px; margin: 0 auto;
  position: relative;
  z-index: 1;
}
.message-inner .message-eyebrow {
  display: flex;
  justify-content: center;
  margin-bottom: 32px;
}
.message-title {
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 48px;
  text-align: center;
  letter-spacing: 0.02em;
}
.message-section .message-body {
  font-size: 17px;
  color: #4A5568;
  line-height: 2.2;
  max-width: 720px;
  margin: 0 auto;
}
.message-section .message-body p { margin-bottom: 20px; }
.message-section .message-body p:last-child { margin-bottom: 0; }
.message-signature {
  margin: 48px auto 0;
  max-width: 720px;
  text-align: right;
}
.message-signature .signature-brand {
  display: block;
  font-family: var(--font-logo);
  font-size: 13px;
  color: var(--gray-400);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.message-signature strong {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  .belief-section, .mission-section, .vision-section, .values-section, .message-section {
    padding: 80px 5%;
  }
  .mission-inner,
  .belief-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .mission-left,
  .belief-left {
    border-right: none;
    border-bottom: 2px solid var(--gray-200);
    padding-right: 0;
    padding-bottom: 32px;
  }
  .mission-num { font-size: 120px; }
  .values-row { padding: 28px 0; }
  .values-name { font-size: 19px; }
  .values-name .values-num { font-size: 19px; }
  .vision-sun { width: 385px; height: 385px; bottom: -240px; }
}

/* ============================================
   トップページ追加セクション
   ============================================ */

/* 共通：セクションCTA */
.section-cta {
  text-align: center;
  margin-top: 56px;
}
.btn-outline {
  display: inline-block;
  padding: 16px 36px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--navy);
  background: transparent;
  border: 1.5px solid var(--navy);
  text-decoration: none;
  transition: all 0.25s;
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

/* ===== ABOUT 抜粋 ===== */
.about-excerpt {
  padding: 120px 5%;
  background: var(--white);
  text-align: center;
}
.about-excerpt-inner {
  max-width: 900px; margin: 0 auto;
}
.about-excerpt-title {
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.5;
  margin: 28px 0 32px;
  letter-spacing: 0.02em;
}
.about-excerpt-body {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 2.2;
}

/* ===== USE CASES 抜粋 ===== */
.usecases-excerpt {
  padding: 120px 5%;
  background: var(--white);
}
.usecases-excerpt .section-eyebrow,
.usecases-excerpt .section-title,
.usecases-excerpt .section-sub {
  text-align: center;
}
.usecases-excerpt .section-sub {
  max-width: 720px; margin-left: auto; margin-right: auto;
}
.usecases-excerpt-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.usecase-excerpt-card {
  background: var(--off);
  padding: 32px 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.usecase-excerpt-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(30,43,105,0.08);
}
.usecase-excerpt-badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-red);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 4px 10px;
  background: rgba(218,58,42,0.08);
}
.usecase-excerpt-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.5;
  margin-bottom: 12px;
}
.usecase-excerpt-body {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.9;
}

/* ===== WORKS 抜粋 ===== */
.works-excerpt {
  padding: 120px 5%;
  background: var(--white);
}
.works-excerpt .section-eyebrow,
.works-excerpt .section-title,
.works-excerpt .section-sub {
  text-align: center;
}
.works-excerpt .section-sub {
  max-width: 720px; margin-left: auto; margin-right: auto;
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.works-card {
  display: block;
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/9;
  background: var(--gray-200);
}
.works-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}
.works-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  pointer-events: none;
  transition: background 0.3s ease;
}
.works-card:hover img {
  transform: scale(1.06);
}
.works-card:hover::after {
  background: rgba(0,0,0,0.25);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .usecases-excerpt-grid { grid-template-columns: repeat(2, 1fr); }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .about-excerpt, .usecases-excerpt, .works-excerpt { padding: 80px 5%; }
}
@media (max-width: 480px) {
  .works-grid { grid-template-columns: 1fr; }
}