/* ========================================
   Opus.net Corporate Site — Main Stylesheet
   ======================================== */

/* --- CSS Variables --- */
:root {
  /* Colors */
  --color-primary: #3B5EE8;
  --color-primary-dark: #2A47B8;
  --color-primary-light: #5B7BF5;
  --color-primary-glow: rgba(59, 94, 232, 0.15);
  --color-accent: #6366F1;

  --color-dark: #0F172A;
  --color-dark-secondary: #1E293B;

  --color-text: #1E293B;
  --color-text-secondary: #586577;
  --color-text-light: #7A8899;
  --color-text-on-dark: #F1F5F9;
  --color-text-on-dark-secondary: #A8B8C8;

  --color-bg: #FAFBFD;
  --color-bg-alt: #F3F5F9;
  --color-bg-dark: #0F172A;
  --color-bg-dark-alt: #1E293B;

  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3B5EE8, #6366F1);
  --gradient-dark: linear-gradient(180deg, #0F172A, #1E293B);
  --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #2A3A5C 100%);

  /* Typography */
  --font-ja: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en: 'Inter', 'Helvetica Neue', sans-serif;
  --font-heading: var(--font-en);

  /* Spacing */
  --section-padding: clamp(80px, 10vw, 140px);
  --container-width: 1200px;
  --container-padding: clamp(20px, 5vw, 40px);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 40px rgba(59, 94, 232, 0.15);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Header */
  --header-height: 90px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

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

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(59, 94, 232, 0.32);
  outline-offset: 4px;
}

ul, ol {
  list-style: none;
}

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

/* --- Layout --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding) 0;
}

.section--compact {
  padding: clamp(48px, 6vw, 80px) 0;
}

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

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

.service-intro-section {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-height) + clamp(48px, 7vw, 88px));
}

/* Section divider accent */
.section + .section:not(.section--dark):not(.section--alt) {
  border-top: 1px solid var(--color-border);
}

.compact-block {
  padding: 32px 0;
}

/* --- Typography --- */
.section-label {
  font-family: 'Lato', var(--font-en);
  font-size: clamp(36px, 4vw, 46px);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-dark);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section--dark .section-label {
  color: #fff;
}

.section-title {
  font-family: var(--font-en);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.section-title--ja {
  font-family: var(--font-ja);
  font-size: clamp(28px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.5;
}

.section-title--message {
  font-family: var(--font-ja);
  font-size: clamp(32px, 3.4vw, 44px);
  letter-spacing: 0;
  line-height: 1.35;
  white-space: nowrap;
}

.section-subtitle {
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--color-text-secondary);
  line-height: 1.9;
  max-width: 640px;
}

.section--dark .section-subtitle {
  color: var(--color-text-on-dark-secondary);
}

.section-title--ja--white {
  color: #fff;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(59, 94, 232, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 94, 232, 0.4);
}

.btn--outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-bg);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--dark {
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn--dark:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn--ghost {
  padding: 0;
  color: var(--color-primary);
  font-weight: 600;
}

.btn--ghost:hover {
  gap: 12px;
}

.btn .material-symbols-outlined {
  font-size: 18px;
  transition: transform var(--transition-base);
}

.btn:hover .material-symbols-outlined {
  transform: translateX(4px);
}

/* --- Cards --- */
.card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

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

.card--dark {
  background: var(--color-bg-dark-alt);
  border-color: rgba(255, 255, 255, 0.06);
}

.card--dark:hover {
  border-color: rgba(59, 94, 232, 0.3);
  box-shadow: var(--shadow-glow);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
  background: transparent;
  border-bottom: 1px solid transparent;
}

.header--transparent .header__logo,
.header--transparent .header__nav-link {
  color: rgba(255, 255, 255, 0.85);
}

.header--transparent .header__nav-link:hover,
.header--transparent .header__nav-link--active {
  color: #fff;
}

.header--scrolled {
  background: rgba(250, 251, 253, 0.82);
  border-bottom-color: rgba(226, 232, 240, 0.72);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}

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

.header__inner {
  max-width: none;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo-mark {
  display: block;
  width: clamp(132px, 15vw, 196px);
  max-width: clamp(132px, 15vw, 196px);
  height: auto;
}


.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
  margin-right: 40px;
}

.header__nav-link {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-dark);
  position: relative;
  padding: 4px 0;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--color-text);
}

.header__nav-link:hover::after,
.header__nav-link--active::after {
  width: 100%;
}

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

.header__cta {
  padding: 10px 24px;
  font-size: 13px;
}

/* Mobile menu button */
.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.header__menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
  border-radius: 1px;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: 80px 0 40px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer__brand {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.footer__info {
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-on-dark-secondary);
}

.footer__nav {
  display: flex;
  gap: 40px;
  justify-content: flex-end;
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__nav-link {
  font-size: 13px;
  color: var(--color-text-on-dark-secondary);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer__nav-link:hover {
  color: #fff;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: var(--color-text-on-dark-secondary);
}

.footer__bottom a:hover {
  color: #fff;
}

/* --- CTA Section --- */
.cta-section {
  background: var(--gradient-dark);
  padding: 80px 0;
}

.cta-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.cta-card {
  padding: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color var(--transition-base);
}

.cta-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.cta-card__title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-card__text {
  font-size: 14px;
  color: var(--color-text-on-dark-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 16px 0;
  font-size: 12px;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb__separator {
  margin: 0 8px;
}

.breadcrumb--top {
  padding-top: calc(var(--header-height) + 16px);
}

.section--compact-top {
  padding-top: 40px;
}

/* --- Page Header --- */
.page-header {
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: var(--color-bg-alt);
}

.page-header__label {
  font-family: var(--font-en);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.page-header__title {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.page-header__image {
  margin-top: 24px;
}

.page-header__image img {
  border-radius: var(--radius-lg);
  max-height: 320px;
  object-fit: cover;
  width: 100%;
}

/* --- Utilities --- */
.text-center {
  text-align: center;
}

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

.mt-auto {
  margin-top: auto;
}

.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-48 { margin-bottom: 48px; }
.mb-60 { margin-bottom: 60px; }

/* Placeholder / Coming Soon */
.placeholder {
  text-align: center;
  padding: 80px 0;
}

.placeholder__icon {
  font-size: 48px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  display: block;
}

.placeholder__title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.placeholder__text {
  margin: 0 auto;
}

.case-intro {
  max-width: 760px;
  margin-bottom: 48px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.case-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.case-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.case-card__category {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0;
  text-transform: uppercase;
}

.case-card__number {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 800;
  color: rgba(59, 94, 232, 0.16);
}

.case-card__title {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.5;
  color: var(--color-text);
}

.case-card__text {
  margin: 0 0 20px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.case-card__list {
  display: grid;
  gap: 10px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.case-card__list li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.case-card__list li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.error-page {
  min-height: calc(100vh - 220px);
  display: flex;
  align-items: center;
}

.error-page__inner {
  max-width: 680px;
}

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.material-symbols-outlined--sm {
  font-size: 16px;
}

.material-symbols-outlined--xs {
  font-size: 14px;
}

.section-label--sm {
  font-size: clamp(24px, 3vw, 32px);
}

/* ========================================
   Page Loader — Bubble Logo Reveal
   ======================================== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: circle(150% at 68px 45px);
  transition: clip-path 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: clip-path;
  overflow: hidden;
}

.loader.is-exit {
  clip-path: circle(0% at 68px 45px);
}

.loader__content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.loader__logo-img {
  width: clamp(180px, 38vw, 360px);
  height: auto;
  opacity: 0;
  transform: scale(0.3);
  animation: logoBounceIn 0.58s 0.16s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  filter: drop-shadow(0 0 30px rgba(59, 94, 232, 0.2));
}

.loader__tagline {
  font-family: var(--font-ja);
  font-size: clamp(13px, 1.8vw, 16px);
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.2em;
  margin-top: 12px;
  opacity: 0;
  animation: loaderFadeUp 0.42s 0.58s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Bubbles background */
.loader__bubbles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.loader__bubble::after {
  content: '';
  position: absolute;
  top: 15%;
  left: 20%;
  width: 30%;
  height: 20%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.8);
  transform: rotate(-30deg);
}

@keyframes logoBounceIn {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; transform: scale(1.08); }
  70% { transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes loaderFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bubbleRise {
  0% {
    transform: translateY(0) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 0.7;
  }
  60% {
    opacity: 0.5;
    transform: translateY(calc(var(--rise, -200px) * 0.6)) scale(0.9);
  }
  85% {
    opacity: 0.3;
    transform: translateY(var(--rise, -200px)) scale(0.5);
  }
  100% {
    opacity: 0;
    transform: translateY(var(--rise, -200px)) scale(0);
  }
}

/* Bubble wobble for organic feel */
.loader__bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(59, 94, 232, 0.12), rgba(99, 102, 241, 0.04));
  border: 1px solid rgba(59, 94, 232, 0.08);
  animation:
    bubbleRise var(--duration, 4s) var(--delay, 0s) ease-in-out forwards,
    bubbleWobble var(--wobble, 2s) var(--delay, 0s) ease-in-out infinite;
}

@keyframes bubbleWobble {
  0%, 100% { margin-left: 0; }
  25% { margin-left: 15px; }
  75% { margin-left: -15px; }
}



/* ========================================
   Scroll Progress Bar
   ======================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-primary);
  z-index: 1001;
  transition: none;
}

/* ========================================
   Cursor Glow
   ======================================== */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 94, 232, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
  will-change: left, top, opacity;
}

.cursor-glow.is-active {
  opacity: 1;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: clamp(560px, 70vh, 720px);
  padding: calc(var(--header-height) + 34px) 0 116px;
  background:
    radial-gradient(circle at 90% 24%, rgba(91, 123, 245, 0.16), transparent 28%),
    radial-gradient(circle at 4% 80%, rgba(59, 94, 232, 0.1), transparent 30%),
    linear-gradient(135deg, #fff 0%, #f7faff 48%, #edf5ff 100%);
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.hero::before {
  right: -8vw;
  bottom: -24vw;
  width: 58vw;
  height: 58vw;
  border: 1px solid rgba(59, 94, 232, 0.12);
  border-radius: 50%;
}

.hero::after {
  left: -12vw;
  bottom: 4vw;
  width: 64vw;
  height: 32vw;
  background: linear-gradient(115deg, transparent 18%, rgba(59, 94, 232, 0.06), transparent 70%);
  transform: rotate(-8deg);
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.34;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: min(100%, 1680px);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 72px);
  display: grid;
  grid-template-columns: minmax(470px, 0.72fr) minmax(720px, 1.28fr);
  align-items: center;
  gap: clamp(32px, 4vw, 72px);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 620px;
  padding: 0;
}

.hero__title {
  font-family: var(--font-ja);
  font-size: 56px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.08em;
  color: var(--color-dark);
  margin-bottom: 24px;
}

.hero__title-line {
  white-space: nowrap;
}

.hero__label {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  line-height: 1.9;
}

.hero__image-wrap {
  position: relative;
  z-index: 1;
  justify-self: stretch;
  margin-right: -28px;
  overflow: hidden;
  border-radius: 30px;
  box-shadow: 0 24px 70px rgba(31, 63, 135, 0.16);
  transform: skewX(-9deg);
  transform-origin: center;
  isolation: isolate;
}

.hero__image-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.44), transparent 24%, rgba(59, 94, 232, 0.08));
  pointer-events: none;
}

.hero__image-wrap img {
  width: 108%;
  max-width: none;
  height: clamp(300px, 27vw, 430px);
  object-fit: cover;
  object-position: center;
  display: block;
  transform: translateY(var(--hero-parallax-y, 0)) skewX(9deg) scale(1.04);
  transform-origin: center;
}

.hero__scroll-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 64px;
  height: 64px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  z-index: 2;
}

.hero__scroll-btn:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-lg);
}


/* ========================================
   Two Column Layout
   ======================================== */
.section-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}



/* ========================================
   Service Cards
   ======================================== */
.home-services {
  position: relative;
  z-index: 5;
  margin-top: -92px;
  padding: 0 0 clamp(52px, 6vw, 84px);
}

.home-services .container {
  max-width: 1360px;
}

.home-news-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(100%, 920px);
  min-height: 56px;
  margin: 0 0 16px auto;
  padding: 12px 18px 12px 20px;
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.06);
  color: var(--color-text);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.home-news-bar:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 94, 232, 0.28);
  box-shadow: 0 14px 40px rgba(59, 94, 232, 0.1);
}

.home-news-bar__label {
  flex: 0 0 auto;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(59, 94, 232, 0.1);
  color: var(--color-primary);
  font-family: 'Lato', var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.home-news-bar__date {
  flex: 0 0 auto;
  color: var(--color-text-light);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
}

.home-news-bar__title {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  color: var(--color-dark);
  font-size: 14px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home-news-bar__arrow {
  flex: 0 0 auto;
  color: var(--color-primary);
  font-size: 20px;
  transition: transform var(--transition-base);
}

.home-news-bar:hover .home-news-bar__arrow {
  transform: translateX(4px);
}

.home-services__panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 18px;
  border: 1px solid rgba(226, 232, 240, 0.86);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 56px rgba(15, 23, 42, 0.08);
}

.home-services__intro,
.home-service-card {
  min-height: 272px;
  border-radius: 18px;
}

.home-services__intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
}

.home-services__label {
  font-family: 'Lato', var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.home-services__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.home-services__text {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.home-service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.home-service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 94, 232, 0.28);
  box-shadow: 0 14px 36px rgba(59, 94, 232, 0.12);
}

.home-service-card__media {
  position: relative;
  height: 124px;
  overflow: hidden;
  background: #f8fbff;
}

.home-service-card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.08));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.home-service-card:hover .home-service-card__media::after {
  opacity: 1;
}

.home-service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.home-service-card__media img.home-service-card__logo {
  object-fit: contain;
  padding: 22px 18px;
  background: #fff;
}

.home-service-card:hover .home-service-card__media img {
  transform: scale(1.05);
}

.home-service-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 18px;
}

.home-service-card__category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
}

.home-service-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.02em;
  line-height: 1.55;
}

.home-service-card__text {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.home-service-card__arrow {
  margin-top: auto;
  margin-left: auto;
  font-size: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.home-service-card:hover .home-service-card__arrow {
  transform: translateX(4px);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 40px;
}

.service-card__image {
  margin: -40px -40px 0;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  position: relative;
}

.service-card__image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.service-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 65%, rgba(15, 23, 42, 0.08));
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.service-card:hover .service-card__image::after {
  opacity: 1;
}

.service-card__image img.service-card__logo {
  object-fit: contain;
  background: #fff;
  padding: 32px 24px;
}

.service-card:hover .service-card__image img {
  transform: scale(1.05);
}


.service-card__category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  text-transform: uppercase;
}

.section--dark .service-card__category {
  color: var(--color-text-on-dark-secondary);
}

.service-card__title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.section--dark .service-card__title {
  color: #fff;
}

.service-card__text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.section--dark .service-card__text {
  color: var(--color-text-on-dark-secondary);
}

/* ========================================
   Home Lower Sections
   ======================================== */
.home-company {
  background: #fff;
  padding: clamp(72px, 7vw, 96px) 0;
}

.home-updates {
  padding: clamp(72px, 7vw, 96px) 0;
}

.home-company__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(440px, 1.05fr);
  gap: clamp(48px, 7vw, 88px);
  align-items: center;
}

.home-company__content {
  max-width: 620px;
}

.home-company__points {
  display: grid;
  gap: 16px;
}

.home-company__point {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 4px 18px;
  align-items: start;
  padding: 22px 24px;
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 18px;
  background: linear-gradient(135deg, #fff, #f8fbff);
}

.home-company__point .material-symbols-outlined {
  grid-row: 1 / span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(59, 94, 232, 0.1);
  color: var(--color-primary);
  font-size: 24px;
}

.home-company__point h3 {
  color: var(--color-dark);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.home-company__point p {
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.85;
}

.home-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 36px;
}

.home-updates__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 28px;
  align-items: stretch;
}

.home-updates__news,
.home-case-preview {
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 42px rgba(15, 23, 42, 0.05);
}

.home-updates__news {
  padding: 18px 28px;
}

.home-case-preview {
  display: grid;
  grid-template-columns: 180px 1fr;
  min-height: 220px;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.home-case-preview:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 94, 232, 0.28);
  box-shadow: 0 16px 42px rgba(59, 94, 232, 0.1);
}

.home-case-preview__media {
  min-height: 100%;
  background: #eef4ff;
}

.home-case-preview__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-case-preview__body {
  display: flex;
  flex-direction: column;
  padding: 28px;
}

.home-case-preview__label {
  color: var(--color-primary);
  font-family: 'Lato', var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.home-case-preview h3 {
  color: var(--color-dark);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.55;
  margin-bottom: 12px;
}

.home-case-preview p {
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.85;
}

.home-case-preview__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
}

.home-case-preview__link .material-symbols-outlined {
  font-size: 18px;
  transition: transform var(--transition-base);
}

.home-case-preview:hover .home-case-preview__link .material-symbols-outlined {
  transform: translateX(4px);
}

.home-final-cta {
  padding: clamp(72px, 8vw, 112px) 0;
  background:
    radial-gradient(circle at 14% 18%, rgba(91, 123, 245, 0.16), transparent 28%),
    linear-gradient(135deg, #0f172a 0%, #172554 100%);
  color: #fff;
}

.home-final-cta__inner {
  max-width: 820px;
}

.home-final-cta__label {
  color: #93c5fd;
  font-family: 'Lato', var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.home-final-cta h2 {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.45;
  margin-bottom: 18px;
}

.home-final-cta p:not(.home-final-cta__label) {
  color: rgba(241, 245, 249, 0.78);
  font-size: 15px;
  line-height: 1.9;
  max-width: 680px;
}

.home-final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.home-final-cta .btn--outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.home-final-cta .btn--outline:hover {
  border-color: rgba(255, 255, 255, 0.62);
  color: #fff;
}

/* ========================================
   News List
   ======================================== */
.news-list {
  display: flex;
  flex-direction: column;
}

.news-list__item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.news-list__item:first-child {
  border-top: 1px solid var(--color-border);
}

.news-list__item:hover {
  padding-left: 8px;
  color: var(--color-primary);
}

.news-list__date {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-light);
  flex-shrink: 0;
  min-width: 90px;
}

.news-list__title {
  font-size: 15px;
  font-weight: 500;
  flex: 1;
}

.news-list__arrow {
  font-size: 18px;
  color: var(--color-text-light);
  transition: transform var(--transition-base);
}

.news-list__item:hover .news-list__arrow {
  transform: translateX(4px);
  color: var(--color-primary);
}

/* ========================================
   Marquee CTA
   ======================================== */
.marquee-cta {
  background: var(--color-primary);
  overflow: hidden;
  padding: 20px 0;
  cursor: pointer;
  position: relative;
  z-index: 0;
}

.marquee-cta__track {
  display: flex;
  width: max-content;
  animation: marquee 20s linear infinite;
  color: #fff;
  text-decoration: none;
}

.marquee-cta:hover .marquee-cta__track {
  animation-play-state: paused;
}

.marquee-cta__item {
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: var(--font-en);
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  padding-right: 24px;
}

.marquee-cta__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
}

.marquee-cta--dark {
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 0;
}

.section--dark:has(.marquee-cta--dark) {
  padding-bottom: 0;
}

.marquee-cta--dark .marquee-cta__item {
  color: rgba(255, 255, 255, 0.3);
}

.marquee-cta--dark .marquee-cta__dot {
  background: rgba(255, 255, 255, 0.15);
}

.marquee-cta--dark:hover .marquee-cta__item {
  color: var(--color-primary-light);
}

.marquee-cta__track--large .marquee-cta__item {
  font-size: clamp(48px, 8vw, 100px);
  font-weight: 800;
  letter-spacing: 0.04em;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-33.333%); }
}

/* ========================================
   Floating Decorations
   ======================================== */
.deco {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.deco--circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-primary-glow);
  animation: float 6s ease-in-out infinite;
}

.deco--ring {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 3px solid rgba(99, 102, 241, 0.15);
  animation: float 8s ease-in-out infinite reverse;
}

.deco--square {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(59, 94, 232, 0.06);
  animation: float 7s ease-in-out infinite;
  transform: rotate(45deg);
}

.deco--1 { top: 680px; right: 8%; }
.deco--2 { top: 1200px; left: 5%; }
.deco--3 { top: 1800px; right: 12%; }


/* ========================================
   Company Page
   ======================================== */
.mission-vision {
  background: var(--color-bg-alt);
  padding: clamp(88px, 8vw, 128px) 0;
}

.mission-vision__row {
  display: grid;
  grid-template-columns: minmax(200px, 270px) minmax(0, 1fr);
  gap: clamp(48px, 5vw, 72px);
  align-items: start;
}

.mission-vision__row + .mission-vision__row {
  margin-top: clamp(96px, 10vw, 150px);
}

.mission-vision__label p {
  font-family: 'Lato', var(--font-en);
  font-size: clamp(38px, 3.8vw, 54px);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--color-primary);
}

.mission-vision__label::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 34px;
  background: var(--color-primary);
}

.mission-vision__content {
  padding-top: 4px;
}

.mission-vision__title {
  font-size: clamp(32px, 2.9vw, 44px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.02em;
  margin-bottom: 38px;
  color: var(--color-dark);
  white-space: nowrap;
}

.mission-vision__text {
  font-size: clamp(17px, 1.45vw, 22px);
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.company-section-label {
  color: var(--color-primary);
  font-size: clamp(38px, 3.8vw, 54px);
  letter-spacing: 0.08em;
  line-height: 1;
  margin-bottom: 34px;
}

.company-section-label::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 28px;
  background: var(--color-primary);
}

.message-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.message-section__text {
  font-size: 15px;
  line-height: 2.2;
  color: var(--color-text-secondary);
}

.message-section--single {
  grid-template-columns: 1fr;
}

.message-section__text + .message-section__text {
  margin-top: 16px;
}

.message-section__sign {
  margin-top: 32px;
  font-size: 14px;
  color: var(--color-text);
}


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

.value-card {
  text-align: center;
  padding: 48px 32px;
}

.value-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: var(--color-primary-glow);
  border-radius: 50%;
  color: var(--color-primary);
  font-size: 28px;
}

.value-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.value-card__text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Profile Table */
.profile-table {
  width: 100%;
  border-collapse: collapse;
}

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

.profile-table th {
  padding: 20px 24px 20px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  white-space: nowrap;
  width: 140px;
  vertical-align: top;
}

.profile-table td {
  padding: 20px 0;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ========================================
   Service Page
   ======================================== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  padding: 60px 0;
  position: relative;
  border-bottom: 1px solid var(--color-border-light);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.service-detail__title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 20px;
}

.service-detail__text {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 2;
  margin-bottom: 20px;
}

.service-detail__features {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 2;
}

.service-detail__features li::before {
  content: '・';
}

.service-detail__img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.service-detail__img--logo {
  background: #fff;
  padding: 48px 36px;
  border: 1px solid var(--color-border);
  object-fit: contain;
}


/* ========================================
   Contact Page
   ======================================== */
.contact-lead {
  max-width: 640px;
  margin: 0 auto 48px;
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
  padding: 48px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-group {
  margin-bottom: 24px;
}

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

.form-label .required {
  color: #EF4444;
  margin-left: 4px;
  font-size: 12px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: var(--font-ja);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-textarea {
  min-height: 160px;
  resize: vertical;
}

.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
}

.form-radio input[type="radio"] {
  accent-color: var(--color-primary);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.form-checkbox input[type="checkbox"] {
  accent-color: var(--color-primary);
}

.form-checkbox a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-submit {
  width: 100%;
  padding: 16px;
  font-size: 15px;
  font-weight: 600;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 94, 232, 0.4);
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
  box-shadow: none;
}

.form-status {
  min-height: 22px;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.6;
}

.form-status--sending {
  color: var(--color-text-secondary);
}

.form-status--success {
  color: #047857;
}

.form-status--error {
  color: #B91C1C;
}

/* ========================================
   News Detail Page
   ======================================== */
.news-detail {
  max-width: 720px;
  margin: 0 auto;
}

.news-detail__date {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.news-detail__title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 40px;
  line-height: 1.5;
}

.news-detail__body {
  font-size: 15px;
  line-height: 2.2;
  color: var(--color-text-secondary);
}

.news-detail__body p {
  margin-bottom: 20px;
}

.news-detail__body a {
  color: var(--color-primary);
  text-decoration: underline;
}

.news-detail__back {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

/* ========================================
   Privacy Policy
   ======================================== */
.privacy-content {
  max-width: 720px;
  margin: 0 auto;
}

.privacy-content h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 40px 0 16px;
}

.privacy-content p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.privacy-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.privacy-content__sign {
  margin-top: 48px;
  text-align: right;
}