/* ============================================
   CSS Variables
   ============================================ */
:root {
  --color-primary: #0f172a;
  --color-primary-light: #1e3a8a;
  --color-accent: #3b82f6;
  --color-accent-light: #60a5fa;
  --color-accent-vivid: #2563eb;
  --color-secondary: #7c3aed;
  --color-cyan: #06b6d4;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-border: #e5e7eb;
  --color-white: #ffffff;
  --font-sans: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.06);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
  --container-width: 1200px;
  --header-height: 72px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul, ol { list-style: none; }

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only { display: none; }

@media (max-width: 768px) {
  .sp-only { display: inline; }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .02em;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: linear-gradient(180deg, #4f8ef7 0%, #2563eb 50%, #1d4ed8 100%);
  color: var(--color-white);
  border-color: #1d4ed8;
  box-shadow: 0 4px 15px rgba(37,99,235,.4), inset 0 1px 0 rgba(255,255,255,.25);
  text-shadow: 0 1px 2px rgba(0,0,0,.3), 0 2px 4px rgba(0,0,0,.15);
}

.btn--primary:hover {
  background: linear-gradient(180deg, #6ba0f9 0%, #2563eb 50%, #1a3fc2 100%);
  border-color: #1a3fc2;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37,99,235,.5), inset 0 1px 0 rgba(255,255,255,.3);
}

.btn--outline {
  background: linear-gradient(180deg, #fff 0%, #f3f4f6 100%);
  color: var(--color-primary);
  border-color: #e5e7eb;
  box-shadow: 0 4px 15px rgba(0,0,0,.12), inset 0 1px 0 rgba(255,255,255,.8);
  text-shadow: 0 1px 2px rgba(0,0,0,.1), 0 2px 4px rgba(0,0,0,.06);
}

.btn--outline:hover {
  background: linear-gradient(180deg, #fff 0%, #eaecef 100%);
  border-color: #d1d5db;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,.15), inset 0 1px 0 rgba(255,255,255,.8);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-accent-vivid);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,.2);
}

.btn--lg {
  padding: 16px 36px;
  font-size: 16px;
}

.btn--full {
  width: 100%;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: var(--transition);
  background: transparent;
}

.header.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.header__logo-img {
  height: 14px;
  width: auto;
  object-fit: contain;
}

.header__logo-text {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-white);
  letter-spacing: -.02em;
  transition: var(--transition);
}

.header__logo-text span {
  color: var(--color-accent-light);
}

.header.scrolled .header__logo-text {
  color: var(--color-primary);
}

.header.scrolled .header__logo-text span {
  color: var(--color-accent-vivid);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.header__nav-link:hover {
  color: var(--color-white);
  background: rgba(255,255,255,.1);
}

.header.scrolled .header__nav-link {
  color: var(--color-text);
}

.header.scrolled .header__nav-link:hover {
  color: var(--color-accent-vivid);
  background: rgba(37,99,235,.06);
}

.header__nav-cta {
  margin-left: 8px;
  padding: 10px 24px;
  background: var(--color-accent-vivid);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
}

.header__nav-cta:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}

.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

.header.scrolled .header__hamburger span {
  background: var(--color-text);
}

.header__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.header__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: url('../画像/logo.png1.png') center/cover no-repeat;
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: linear-gradient(135deg,
    rgba(255,255,255,.15) 0%,
    rgba(255,255,255,.1) 30%,
    rgba(255,255,255,.15) 60%,
    rgba(255,255,255,.1) 100%
  );
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  opacity: .12;
  animation: float 20s ease-in-out infinite;
}

.hero__shape--1 {
  width: 600px;
  height: 600px;
  background: rgba(125,211,252,.6);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero__shape--2 {
  width: 400px;
  height: 400px;
  background: rgba(96,165,250,.5);
  bottom: -100px;
  left: -100px;
  animation-delay: -5s;
}

.hero__shape--3 {
  width: 300px;
  height: 300px;
  background: rgba(6,182,212,.5);
  top: 50%;
  left: 60%;
  animation-delay: -10s;
}

.hero__shape--4 {
  width: 200px;
  height: 200px;
  background: rgba(251,191,36,.4);
  bottom: 20%;
  right: 20%;
  animation-delay: -15s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(.95); }
  75% { transform: translate(10px, -10px) scale(1.02); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
  padding-top: calc(var(--header-height) + 16px);
  padding-bottom: 48px;
  max-width: 900px;
}

.hero__label {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-full);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
  background: rgba(0,0,0,.2);
  text-shadow: 0 1px 4px rgba(0,0,0,.3);
}

.hero__title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: .02em;
  text-shadow:
    0 1px 0 rgba(255,255,255,.4),
    0 2px 4px rgba(0,0,0,.15),
    0 4px 8px rgba(0,0,0,.12),
    0 8px 16px rgba(0,0,0,.1);
}

.hero__title-line {
  display: block;
  position: relative;
}

.hero__title-line > span {
  display: inline-block;
  -webkit-mask-image: linear-gradient(90deg,
    #000 0%, #000 40%,
    rgba(0,0,0,.1) 48%,
    transparent 53%
  );
  mask-image: linear-gradient(90deg,
    #000 0%, #000 40%,
    rgba(0,0,0,.1) 48%,
    transparent 53%
  );
  -webkit-mask-size: 300% 100%;
  mask-size: 300% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: 100% center;
  mask-position: 100% center;
  animation: spotlightReveal .8s cubic-bezier(.4,0,.2,1) forwards;
}

.hero__title-line:nth-child(1) > span {
  animation-delay: .15s;
}
.hero__title-line:nth-child(1)::after {
  animation-delay: .15s;
}

.hero__title-line:nth-child(2) > span {
  animation-delay: .5s;
}
.hero__title-line:nth-child(2)::after {
  animation-delay: .5s;
}

.hero__title-line::after {
  content: '';
  position: absolute;
  top: -15%;
  width: 50px;
  height: 130%;
  background: linear-gradient(90deg,
    transparent,
    rgba(180,210,255,.45),
    rgba(255,255,255,.15),
    transparent
  );
  filter: blur(16px);
  pointer-events: none;
  opacity: 0;
  animation: spotlightBeam .8s cubic-bezier(.4,0,.2,1) forwards;
}

@keyframes spotlightReveal {
  0% {
    -webkit-mask-position: 100% center;
    mask-position: 100% center;
  }
  100% {
    -webkit-mask-position: 0% center;
    mask-position: 0% center;
  }
}

@keyframes spotlightBeam {
  0% { left: -5%; opacity: 0; }
  8% { opacity: 1; }
  85% { opacity: .5; }
  100% { left: 105%; opacity: 0; }
}

.hero__title em {
  font-style: normal;
  color: var(--color-white);
}

.hero__subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255,255,255,.9);
  margin-bottom: 28px;
  line-height: 1.7;
  font-weight: 500;
  text-shadow: 0 2px 12px rgba(0,0,0,.5), 0 0 30px rgba(0,0,0,.2);
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.1);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  letter-spacing: -.02em;
  text-shadow: 0 2px 10px rgba(0,0,0,.4);
}

.hero__stat-number small {
  font-size: .5em;
  font-weight: 600;
  opacity: .7;
}

.hero__stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  font-weight: 500;
  margin-top: 4px;
}

.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: rgba(255,255,255,.4);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   Section Common
   ============================================ */
.section {
  padding: 100px 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--color-bg-dark);
}

.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent-vivid);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section__label--light {
  color: var(--color-accent-light);
}

.section__title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-primary);
  letter-spacing: .02em;
}

.section__title-note {
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-light);
  margin-top: 4px;
}

.section__title--light {
  color: var(--color-white);
}

.section__title em {
  font-style: normal;
  color: var(--color-accent-vivid);
}

.section__desc {
  font-size: 16px;
  color: var(--color-text-light);
  margin-top: 16px;
  margin-left: auto;
  margin-right: auto;
  white-space: nowrap;
}

.section__desc--light {
  color: rgba(255,255,255,.6);
}

/* ============================================
   Problems
   ============================================ */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problems__card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-white);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.problems__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-light);
}

.problems__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(37,99,235,.08), rgba(124,58,237,.08));
  color: var(--color-accent-vivid);
  flex-shrink: 0;
}

.problems__icon svg {
  width: 24px;
  height: 24px;
}

.problems__card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
}

/* ============================================
   Service
   ============================================ */
.service__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service__cards--three {
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent-vivid), var(--color-secondary));
  opacity: 0;
  transition: var(--transition);
}

.service__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.service__card:hover::before {
  opacity: 1;
}

.service__card-badge {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent-vivid);
  letter-spacing: .15em;
  margin-bottom: 24px;
}

.service__card-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(37,99,235,.06), rgba(124,58,237,.06));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  color: var(--color-accent-vivid);
}

.service__card-icon svg {
  width: 40px;
  height: 40px;
}

.service__card-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.service__card-desc {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  line-height: 1.8;
}

.service__card-features {
  margin-bottom: 32px;
}

.service__card-features li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--color-text);
  margin-bottom: 10px;
  font-weight: 500;
}

.service__card-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-vivid), var(--color-cyan));
}

/* ============================================
   Strengths
   ============================================ */
.strengths__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.strengths__item {
  padding: 36px 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition: var(--transition);
}

.strengths__item:hover {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-md);
}

.strengths__number {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent-vivid), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -.02em;
}

.strengths__item-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.strengths__item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   Works
   ============================================ */
.works__categories {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.works__tab {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.works__tab:hover {
  border-color: var(--color-accent-vivid);
  color: var(--color-accent-vivid);
}

.works__tab--active {
  background: var(--color-accent-vivid);
  color: var(--color-white);
  border-color: var(--color-accent-vivid);
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.works__card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.works__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.works__card-image {
  width: 100%;
}

.works__card-photos {
  display: flex;
  gap: 2px;
}

.works__card-photo {
  flex: 1;
  aspect-ratio: 1/1;
  background: linear-gradient(135deg, #e0e7ff, #ede9fe);
  overflow: hidden;
}

.works__card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.works__card-labels {
  display: flex;
  gap: 2px;
}

.works__card-label {
  flex: 1;
  text-align: center;
  padding: 6px 0;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: #fff;
}

.works__card-label--before {
  background: #64748b;
}

.works__card-label--after {
  background: var(--color-primary);
}

.works__card-photo--zoom img {
  transform: scale(1.3);
}

.works__card-body {
  padding: 20px 24px;
}

.works__card-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  background: rgba(37,99,235,.08);
  color: var(--color-accent-vivid);
  margin-bottom: 10px;
}

.works__card-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.works__card-body p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   Flow
   ============================================ */
.flow__steps {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.flow__steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 39px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent-vivid), var(--color-secondary));
  border-radius: 2px;
}

.flow__step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 24px 0;
  position: relative;
}

.flow__step-number {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-vivid), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(37,99,235,.3);
  position: relative;
  z-index: 1;
}

.flow__step-content {
  padding-top: 16px;
}

.flow__step-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.flow__step-content p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   Voice
   ============================================ */
.voice__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.voice__card {
  background: var(--color-white);
  padding: 32px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.voice__card:hover {
  box-shadow: var(--shadow-md);
}

.voice__card-stars {
  color: #f59e0b;
  font-size: 18px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.voice__card-text {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 24px;
  font-weight: 400;
}

.voice__card-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.voice__card-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-vivid), var(--color-secondary));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

.voice__card-author strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
}

.voice__card-author span {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ============================================
   FAQ
   ============================================ */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--color-white);
  transition: var(--transition);
}

.faq__item[open] {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-sm);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  list-style: none;
  transition: var(--transition);
}

.faq__question::-webkit-details-marker { display: none; }

.faq__question:hover {
  color: var(--color-accent-vivid);
}

.faq__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.faq__item[open] .faq__icon {
  transform: rotate(180deg);
  color: var(--color-accent-vivid);
}

.faq__answer {
  padding: 0 24px 20px;
}

.faq__answer p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================================
   Contact
   ============================================ */
.contact__wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.contact__info {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 48px;
}

.contact__info-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  max-width: 480px;
  padding: 20px 28px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.06);
  text-decoration: none;
  color: inherit;
  transition: background .2s;
  cursor: pointer;
}

.contact__info-item:hover {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.1);
}

.contact__info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(59,130,246,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-light);
}

.contact__info-icon svg {
  width: 22px;
  height: 22px;
}

.contact__info-item span {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  margin-bottom: 2px;
}

.contact__info-item strong {
  display: block;
  font-size: 24px;
  color: var(--color-white);
  font-weight: 700;
  letter-spacing: 1px;
}

.contact__info-item small {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,.35);
  margin-top: 4px;
}

.contact__form {
  background: var(--color-white);
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.contact__form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.contact__form-group {
  margin-bottom: 20px;
}

.contact__form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.required {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  background: #fee2e2;
  color: #dc2626;
  margin-left: 4px;
}

.contact__form-group input,
.contact__form-group select,
.contact__form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  transition: var(--transition);
  outline: none;
}

.contact__form-group input:focus,
.contact__form-group select:focus,
.contact__form-group textarea:focus {
  border-color: var(--color-accent-vivid);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

.contact__form-group input::placeholder,
.contact__form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.contact__form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 48px;
}

.contact__complete {
  text-align: center;
  padding: 60px 20px;
}

.contact__complete-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  color: #22c55e;
}

.contact__complete-icon svg {
  width: 100%;
  height: 100%;
}

.contact__complete h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.contact__complete p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,.7);
}

/* ============================================
   Company
   ============================================ */
.company__table-wrapper {
  max-width: 800px;
  margin: 0 auto;
  overflow-x: auto;
}

.company__table {
  width: 100%;
  border-collapse: collapse;
}

.company__table tr {
  border-bottom: 1px solid var(--color-border);
}

.company__table th,
.company__table td {
  padding: 20px 24px;
  font-size: 15px;
  text-align: left;
  vertical-align: top;
}

.company__table th {
  width: 180px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg-alt);
  white-space: nowrap;
}

.company__table td {
  color: var(--color-text);
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent-vivid), var(--color-secondary));
  padding: 80px 0;
  text-align: center;
}

.cta-banner h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 32px;
  line-height: 1.5;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-bg-dark);
  padding: 64px 0 0;
  color: rgba(255,255,255,.6);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.footer__logo-text {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-white);
}

.footer__brand-desc {
  font-size: 14px;
  line-height: 1.7;
}

.footer__links {
  display: flex;
  align-items: center;
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
}

.footer__nav-list a {
  font-size: 14px;
}

.footer__nav-list a:hover {
  color: var(--color-white);
}

.footer__links-group h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__links-group li {
  margin-bottom: 10px;
  font-size: 14px;
}

.footer__links-group a:hover {
  color: var(--color-white);
}

.footer__social {
  display: flex;
  justify-content: center;
  padding: 20px 0;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.6);
  transition: background .2s, color .2s;
}

.footer__social-link:hover {
  background: rgba(255,255,255,.2);
  color: #fff;
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 13px;
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-links a:hover {
  color: var(--color-white);
}

/* ============================================
   Responsive: Tablet (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .problems__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .strengths__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .works__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .voice__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ============================================
   Responsive: Mobile (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 72px 0;
  }

  .section__header {
    margin-bottom: 40px;
  }

  /* Header Mobile */
  .header__hamburger {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15,23,42,.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .header__nav.active {
    opacity: 1;
    visibility: visible;
  }

  .header__nav-list {
    flex-direction: column;
    gap: 4px;
  }

  .header__nav-link {
    font-size: 18px;
    padding: 12px 24px;
    color: rgba(255,255,255,.8);
  }

  .header__nav-link:hover {
    color: var(--color-white);
  }

  .header__nav-cta {
    margin-left: 0;
    margin-top: 12px;
    padding: 14px 40px;
    font-size: 16px;
  }

  .header__hamburger.active span {
    background: var(--color-white) !important;
  }

  /* Hero Mobile */
  .hero {
    min-height: 100svh;
    padding-top: 80px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
    margin-bottom: 48px;
  }

  .hero__actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero__stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero__stat-number {
    font-size: 32px;
  }

  /* Problems */
  .problems__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Service */
  .service__cards,
  .service__cards--three {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service__card {
    padding: 32px 24px;
  }

  /* Strengths */
  .strengths__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .strengths__item {
    padding: 28px 24px;
  }

  /* Works */
  .works__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Flow */
  .flow__steps::before {
    left: 27px;
  }

  .flow__step {
    gap: 20px;
  }

  .flow__step-number {
    width: 56px;
    height: 56px;
    font-size: 18px;
  }

  .flow__step-content h3 {
    font-size: 17px;
  }

  .flow__step-content p {
    font-size: 14px;
  }

  /* Voice */
  .voice__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Contact */
  .contact__info {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact__form {
    padding: 28px 20px;
  }

  .contact__form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Company */
  .company__table th {
    width: 120px;
    padding: 16px 12px;
    font-size: 13px;
  }

  .company__table td {
    padding: 16px 12px;
    font-size: 14px;
  }

  /* CTA Banner */
  .cta-banner {
    padding: 56px 0;
  }

  /* Footer */
  .footer__links {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ============================================
   Responsive: Small Mobile (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero__stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero__stat {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .hero__stat-number {
    font-size: 28px;
  }

  .hero__stat-label {
    margin-top: 0;
  }

  .footer__links {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Scroll Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in:nth-child(2) { transition-delay: .08s; }
.fade-in:nth-child(3) { transition-delay: .16s; }
.fade-in:nth-child(4) { transition-delay: .24s; }
.fade-in:nth-child(5) { transition-delay: .32s; }
.fade-in:nth-child(6) { transition-delay: .4s; }