/* =====================================================
   One's Career Partners合同会社 - Official Website
   Main Stylesheet
   ===================================================== */

/* ----- CSS Variables ----- */
:root {
  --color-primary: #0066CC;
  --color-primary-dark: #004E9A;
  --color-primary-light: #3385D6;
  --color-primary-xlight: #E8F2FF;
  --color-accent: #00A3E0;
  --color-white: #FFFFFF;
  --color-black: #0D0D0D;
  --color-gray-100: #F7F9FC;
  --color-gray-200: #EEF2F7;
  --color-gray-300: #D4DCE8;
  --color-gray-400: #9AAEC4;
  --color-gray-500: #6B82A0;
  --color-gray-700: #334766;
  --color-gray-900: #1A2B42;
  --color-success: #16A34A;
  --color-error: #DC2626;

  --font-jp: 'Noto Sans JP', sans-serif;
  --font-en: 'Inter', sans-serif;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 20px rgba(0,102,204,0.10);
  --shadow-lg: 0 12px 40px rgba(0,102,204,0.15);
  --shadow-card: 0 2px 16px rgba(0,40,80,0.09);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-jp);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

address {
  font-style: normal;
}

/* ----- Container ----- */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ----- Sections ----- */
.section {
  padding: 96px 0;
}

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

.section__label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.3;
  margin-bottom: 16px;
}

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

.section__divider {
  width: 52px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  margin: 0 auto 24px;
}

.section__divider--white {
  background: rgba(255,255,255,0.6);
}

.section__desc {
  font-size: 1rem;
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-jp);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.7);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.btn--white:hover {
  background: var(--color-primary-xlight);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.btn__loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition), background var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.header__logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

/* Nav */
.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  padding: 8px 14px;
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
}

.nav__link:not(.nav__link--cta):hover,
.nav__link:not(.nav__link--cta).active {
  color: var(--color-primary);
  background: var(--color-primary-xlight);
}

.nav__link--cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 600;
}

.nav__link--cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition);
}
.hamburger:hover { background: var(--color-gray-100); }
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   HERO
   ============================================================ */

/* sr-only: SEO用非表示テキスト */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.hero {
  position: relative;
  display: block;
  overflow: hidden;
  background-color: #003D7A;
  padding-top: var(--header-height);
}

/* バナー画像エリア：アスペクト比を保ちながら全幅表示 */
.hero__image-wrap {
  position: relative;
  width: 100%;
  line-height: 0;
}

.hero__image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* 画像上の薄いオーバーレイ（任意） */
.hero__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 60%,
    rgba(0, 30, 70, 0.18) 100%
  );
  pointer-events: none;
}

/* CTA ＆ バッジ — 画像直下に配置 */
.hero__bottom {
  background: linear-gradient(135deg, #003D7A 0%, #0066CC 50%, #0091D9 100%);
  padding: 44px 24px 80px;
  text-align: center;
}

.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero__badges {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* バッジ共通 */
.badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.4;
  text-align: left;
  white-space: nowrap;
}

/* 明るいバッジ（青背景上） */
.badge--light {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
  color: var(--color-white);
}

.badge--light i {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.95);
  flex-shrink: 0;
}

/* アウトラインボタン（青背景上） */
.btn--outline-dark {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.75);
}
.btn--outline-dark:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

/* Scroll Indicator */
.hero__scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 0 24px;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-en);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  background: linear-gradient(135deg, #003D7A 0%, #0066CC 50%, #0091D9 100%);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.7), transparent);
  animation: scrollLine 1.5s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(1);   transform-origin: top; }
  50%  { transform: scaleY(0.5); transform-origin: top; }
  51%  { transform: scaleY(0.5); transform-origin: bottom; }
  100% { transform: scaleY(1);   transform-origin: bottom; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--color-white);
}

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

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

.about__table tr {
  border-bottom: 1px solid var(--color-gray-200);
}

.about__table tr:last-child {
  border-bottom: none;
}

.about__table th,
.about__table td {
  padding: 16px 12px;
  font-size: 0.9rem;
  line-height: 1.6;
  vertical-align: top;
}

.about__table th {
  width: 36%;
  font-weight: 600;
  color: var(--color-gray-700);
  white-space: nowrap;
}

.about__table td {
  color: var(--color-gray-900);
}

.about__logo-card {
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  border: 1px solid var(--color-gray-200);
}

.about__logo-img {
  max-width: 240px;
  margin: 0 auto 20px;
}

.about__tagline {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 16px;
}

.about__description {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  line-height: 1.8;
  text-align: center;
  margin-bottom: 24px;
}

.about__contact-quick {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quick-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-200);
  font-size: 0.85rem;
  color: var(--color-gray-700);
  transition: all var(--transition);
}

.quick-contact:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.quick-contact i {
  color: var(--color-primary);
  width: 16px;
  text-align: center;
}

/* ============================================================
   PHILOSOPHY
   ============================================================ */
.philosophy {
  position: relative;
  background: linear-gradient(135deg, #003D7A 0%, #0066CC 50%, #0091D9 100%);
  overflow: hidden;
}

.philosophy__bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Ccircle cx='40' cy='40' r='1.5' fill='rgba(255,255,255,0.05)'/%3E%3C/svg%3E");
}

.philosophy .section__label {
  color: rgba(255,255,255,0.7);
}

.philosophy__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.philosophy__card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: transform var(--transition), background var(--transition);
}

.philosophy__card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.13);
}

.philosophy__icon {
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.75rem;
  color: var(--color-white);
}

.philosophy__label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.philosophy__en {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
  line-height: 1.5;
}

.philosophy__ja {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
}

/* ============================================================
   STRENGTHS
   ============================================================ */
.strengths {
  background: var(--color-gray-100);
}

.strengths__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.strength__card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}

.strength__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.strength__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.strength__card:hover::before {
  transform: scaleX(1);
}

.strength__number {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-gray-200);
  line-height: 1;
  margin-bottom: 16px;
  transition: color var(--transition);
}

.strength__card:hover .strength__number {
  color: var(--color-primary-xlight);
}

.strength__icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-xlight);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  color: var(--color-primary);
  margin-bottom: 16px;
  transition: all var(--transition);
}

.strength__card:hover .strength__icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.strength__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 12px;
  line-height: 1.4;
}

.strength__text {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.8;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: var(--color-white);
}

.services__tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.services__tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 20px 40px;
  background: var(--color-gray-100);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-jp);
  min-width: 200px;
}

.services__tab i {
  font-size: 1.5rem;
  color: var(--color-gray-400);
  transition: color var(--transition);
}

.services__tab span {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-gray-700);
  transition: color var(--transition);
}

.services__tab small {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-gray-400);
  transition: color var(--transition);
}

.services__tab--active,
.services__tab:hover {
  background: var(--color-primary-xlight);
  border-color: var(--color-primary);
}

.services__tab--active i,
.services__tab:hover i {
  color: var(--color-primary);
}

.services__tab--active span,
.services__tab:hover span {
  color: var(--color-primary);
}

.services__tab--active small,
.services__tab:hover small {
  color: var(--color-primary-light);
}

.services__panel {
  display: none;
}

.services__panel--active {
  display: block;
}

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

.service__card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}

.service__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.service__icon-wrap {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: 20px;
  transition: transform var(--transition);
}

.service__card:hover .service__icon-wrap {
  transform: scale(1.1) rotate(-3deg);
}

.service__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 12px;
  line-height: 1.4;
}

.service__text {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: 1.8;
  margin-bottom: 20px;
}

.service__points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service__points li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8375rem;
  color: var(--color-gray-700);
}

.service__points li i {
  color: var(--color-primary);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: 72px 24px;
}

.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band__title {
  font-size: clamp(1.375rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.cta-band__sub {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.8);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--color-gray-100);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}

/* Contact Info */
.contact__info-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-xlight);
}

.contact__info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact__info-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-xlight);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__info-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.contact__info-value {
  font-size: 0.9rem;
  color: var(--color-gray-700);
  line-height: 1.6;
  word-break: break-all;
}

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

/* Contact Form */
.contact__form-wrap {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-gray-200);
}

.form__group {
  margin-bottom: 24px;
}

.form__group--privacy {
  margin-bottom: 28px;
}

.form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 8px;
}

.form__required {
  font-size: 0.7rem;
  font-weight: 600;
  color: #E53E3E;
  background: #FFF5F5;
  border: 1px solid #FEB2B2;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-jp);
  font-size: 0.9375rem;
  color: var(--color-gray-900);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,102,204,0.12);
}

.form__input.error,
.form__select.error,
.form__textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}

.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B82A0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.form__textarea {
  resize: vertical;
  min-height: 140px;
}

.form__error {
  font-size: 0.8rem;
  color: var(--color-error);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 1.2em;
}

/* Checkbox */
.form__checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-gray-700);
}

.form__checkbox {
  display: none;
}

.form__checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-300);
  border-radius: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.form__checkbox:checked + .form__checkbox-custom {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form__checkbox:checked + .form__checkbox-custom::after {
  content: '';
  width: 5px;
  height: 9px;
  border: 2px solid var(--color-white);
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
  display: block;
}

.form__success {
  text-align: center;
  padding: 32px;
  background: #F0FFF4;
  border-radius: var(--radius-md);
  border: 1px solid #9AE6B4;
  margin-top: 16px;
}

.form__success i {
  font-size: 2.5rem;
  color: var(--color-success);
  display: block;
  margin-bottom: 12px;
}

.form__success p {
  font-size: 0.9375rem;
  color: #2D6A4F;
  line-height: 1.7;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
}

.footer__inner {
  padding: 72px 24px 0;
}

.footer__top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
  max-width: 200px;
  height: auto;
  margin-bottom: 14px;
}

.footer__tagline {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer__desc {
  font-size: 0.8375rem;
  line-height: 1.8;
  color: var(--color-gray-400);
  margin-bottom: 20px;
}

.footer__social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  color: var(--color-gray-300);
  font-size: 1rem;
  transition: all var(--transition);
}

.footer__social:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__nav-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__nav-list a {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  transition: color var(--transition);
}

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

.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__contact-list p {
  font-size: 0.8125rem;
  color: var(--color-gray-400);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}

.footer__contact-list i {
  color: var(--color-primary-light);
  margin-top: 3px;
  flex-shrink: 0;
  font-size: 0.75rem;
}

.footer__contact-list a {
  color: var(--color-gray-400);
  transition: color var(--transition);
}

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

.footer__bottom {
  text-align: center;
  padding: 24px;
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  z-index: 900;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.back-to-top:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.7s ease forwards;
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Stagger delay */
.fade-in-up:nth-child(1) { transition-delay: 0.05s; }
.fade-in-up:nth-child(2) { transition-delay: 0.15s; }
.fade-in-up:nth-child(3) { transition-delay: 0.25s; }
.fade-in-up:nth-child(4) { transition-delay: 0.35s; }

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

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

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

  .philosophy__grid {
    gap: 20px;
  }

  .philosophy__card {
    padding: 32px 24px;
  }

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

  .footer__nav {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .section {
    padding: 72px 0;
  }

  .section__header {
    margin-bottom: 48px;
  }

  /* Header */
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: 20px 24px;
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--transition);
    z-index: 999;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

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

  .nav__link {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: 8px;
  }

  .nav__link--cta {
    text-align: center;
    margin-top: 8px;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero__bottom {
    padding: 32px 20px 64px;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  .hero__badges {
    gap: 12px;
  }

  .badge {
    font-size: 0.75rem;
    padding: 10px 14px;
  }

  /* About */
  .about__logo-card {
    padding: 28px 24px;
  }

  /* Philosophy */
  .philosophy__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* Strengths */
  .strengths__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* Services */
  .services__tabs {
    flex-direction: column;
    align-items: center;
  }

  .services__tab {
    width: 100%;
    max-width: 360px;
    flex-direction: row;
    gap: 12px;
    text-align: left;
  }

  .services__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* CTA Band */
  .cta-band {
    padding: 56px 24px;
  }

  .cta-band__inner {
    flex-direction: column;
    text-align: center;
  }

  /* Contact */
  .contact__form-wrap {
    padding: 32px 24px;
  }

  /* Footer */
  .footer__nav {
    grid-template-columns: 1fr 1fr;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

/* Small Mobile (≤ 480px) */
@media (max-width: 480px) {
  .footer__nav {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: 1.875rem;
  }
}