/* ============================================================
   SAK Corporate Site — Main Stylesheet
   Design: Dark Navy/Charcoal + Blue-Cyan Gradient Accent
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --clr-bg:        #0b0f1a;
  --clr-bg-2:      #111827;
  --clr-bg-card:   rgba(255,255,255,0.04);
  --clr-border:    rgba(255,255,255,0.08);
  --clr-border-hv: rgba(56,189,248,0.5);

  --clr-accent-1:  #38bdf8;   /* sky-400  */
  --clr-accent-2:  #22d3ee;   /* cyan-400 */
  --clr-accent-3:  #818cf8;   /* indigo-400 */

  --grad-accent: linear-gradient(135deg, #38bdf8 0%, #22d3ee 50%, #818cf8 100%);
  --grad-hero:   linear-gradient(160deg, #0b0f1a 0%, #0f1d35 60%, #0b0f1a 100%);

  --clr-text:      #e2e8f0;
  --clr-text-muted:#94a3b8;
  --clr-text-faint:#475569;

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

  --nav-h: 68px;
  --radius-card: 16px;
  --radius-sm: 8px;

  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 24px rgba(56,189,248,0.25);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font-base);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }

/* ---------- Utility ---------- */
.container {
  width: min(100%, 1120px);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 60px);
}

.hide-sp { display: inline; }
.hide-pc { display: none; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(11,15,26,0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(11,15,26,0.95);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}
/* ロゴ画像 */
.nav-logo-img {
  height: 46px;
  width: auto;
  display: block;
  /* ダーク背景に白抜き反転 */
  filter: invert(1) brightness(1.3) drop-shadow(0 0 6px rgba(56,189,248,0.45));
  transition: filter 0.25s ease, transform 0.25s ease;
}
.nav-logo:hover .nav-logo-img {
  filter: invert(1) brightness(1.5) drop-shadow(0 0 10px rgba(56,189,248,0.75));
  transform: scale(1.04);
}
.logo-text {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--clr-accent-2);
  box-shadow: 0 0 8px var(--clr-accent-2);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.5; transform:scale(0.7); }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 36px);
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  letter-spacing: 0.04em;
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-link:hover { color: var(--clr-accent-1); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link--cta {
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--grad-accent);
  color: #0b0f1a !important;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-shadow: 0 0 20px rgba(56,189,248,0.3);
  transition: opacity var(--transition), box-shadow var(--transition);
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover { opacity: 0.88; box-shadow: 0 0 30px rgba(56,189,248,0.5); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--clr-text);
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  background: var(--grad-hero);
}

/* Canvas (animated network background) */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Hero background image layer */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('https://sspark.genspark.ai/i/97EFqn7ZhPQtPUiY?width=2560');
  background-size: cover;
  background-position: center 30%;
  opacity: 0.18;
  filter: saturate(0.6) brightness(0.8);
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(11,15,26,0.95) 30%, rgba(11,15,26,0.5) 100%),
    linear-gradient(to top,   rgba(11,15,26,0.98) 0%,  transparent 40%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100%, 1120px);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 60px);
  padding-block: 80px 120px;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid rgba(56,189,248,0.3);
  background: rgba(56,189,248,0.08);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--clr-accent-1);
  margin-bottom: 28px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clr-accent-2);
  box-shadow: 0 0 6px var(--clr-accent-2);
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.hero-title-line { display: block; }
.hero-title .accent {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--clr-text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}

.hero-intro {
  font-size: 0.875rem;
  color: var(--clr-text-faint);
  line-height: 1.85;
  padding: 16px 20px;
  border-left: 2px solid rgba(56,189,248,0.4);
  background: rgba(255,255,255,0.025);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ============================================================
   HERO — right image panel
   ============================================================ */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.hero-content {
  grid-column: 1;
  grid-row: 1;
}

.hero-img-panel {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  z-index: 2;
  padding: 60px 40px 60px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img-inner {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px rgba(56,189,248,0.15);
  border: 1px solid rgba(56,189,248,0.2);
}

.hero-img-inner img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  filter: saturate(0.75) brightness(0.8);
  transition: filter 0.6s ease;
}

.hero-img-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to left,  rgba(11,15,26,0.1) 0%, rgba(11,15,26,0.5) 100%),
    linear-gradient(to top,   rgba(11,15,26,0.7) 0%, transparent 50%),
    linear-gradient(135deg, rgba(56,189,248,0.12) 0%, rgba(129,140,248,0.10) 100%);
}

/* Floating badge on hero image */
.hero-float-badge {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 100px;
  background: rgba(11,15,26,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(56,189,248,0.3);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5), 0 0 16px rgba(56,189,248,0.2);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--clr-accent-1);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.hero-float-badge i {
  font-size: 1rem;
  color: var(--clr-accent-2);
}
.hero-float-badge span { line-height: 1.35; }

/* Decorative label on about deco */
.deco-label {
  position: absolute;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.6;
  user-select: none;
}

/* Hero scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-text-faint);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fade-scroll 3s ease-in-out infinite;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--clr-accent-1), transparent);
}
@keyframes fade-scroll {
  0%,100% { opacity:0.4; transform: translateX(-50%) translateY(0); }
  50%      { opacity:1;   transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad-accent);
  color: #0b0f1a;
  box-shadow: 0 0 24px rgba(56,189,248,0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 32px rgba(56,189,248,0.55);
}
.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(56,189,248,0.4);
  color: var(--clr-accent-1);
  transform: translateY(-2px);
}
.btn--full { width: 100%; justify-content: center; }

/* ============================================================
   SECTIONS — common
   ============================================================ */
.section {
  padding-block: clamp(72px, 10vw, 120px);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 72px);
}
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}
.section-desc {
  font-size: 0.95rem;
  color: var(--clr-text-muted);
  max-width: 500px;
  margin-inline: auto;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: var(--clr-bg-2);
  position: relative;
  overflow: hidden;
}
.services::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56,189,248,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

/* Service Card */
.service-card {
  position: relative;
  border-radius: var(--radius-card);
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--clr-border-hv);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

/* Card image */
.card-img-wrap {
  width: 100%;
  height: 200px;
  position: relative;
  overflow: hidden;
}
.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  filter: saturate(0.7) brightness(0.75);
}
.service-card:hover .card-img-wrap img {
  transform: scale(1.06);
  filter: saturate(0.9) brightness(0.85);
}
.card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(11,15,26,0.15) 0%,
    rgba(11,15,26,0.85) 100%
  );
}
/* Teal gradient tint over image */
.card-img-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(56,189,248,0.18) 0%, rgba(129,140,248,0.12) 100%);
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.card-icon-wrap {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-icon {
  font-size: 1.15rem;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--clr-text);
}

.card-desc {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.2);
  color: var(--clr-accent-1);
  letter-spacing: 0.04em;
}

/* AOS fade-in */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}
.service-card:nth-child(2)[data-aos] { transition-delay: 0.1s; }
.service-card:nth-child(3)[data-aos] { transition-delay: 0.2s; }
.service-card:nth-child(4)[data-aos] { transition-delay: 0.3s; }

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}

.about-wrapper {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: center;
}

/* Decorative shapes */
.about-deco {
  position: relative;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.deco-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(56,189,248,0.15);
  animation: spin-ring 18s linear infinite;
}
.deco-ring:nth-child(1) { width: 220px; height: 220px; }
.deco-ring:nth-child(2) {
  width: 160px; height: 160px;
  border-color: rgba(129,140,248,0.2);
  animation-duration: 12s;
  animation-direction: reverse;
}
@keyframes spin-ring {
  to { transform: rotate(360deg); }
}
.deco-grid {
  width: 100px; height: 100px;
  background-image:
    linear-gradient(rgba(56,189,248,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.15) 1px, transparent 1px);
  background-size: 20px 20px;
  border-radius: 8px;
  position: absolute;
}

/* About table */
.about-table-wrap {
  overflow: hidden;
  border-radius: var(--radius-card);
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-card);
  backdrop-filter: blur(10px);
}
.about-table {
  width: 100%;
  border-collapse: collapse;
}
.about-table tr {
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--transition);
}
.about-table tr:last-child { border-bottom: none; }
.about-table tr:hover { background: rgba(56,189,248,0.04); }
.about-table th,
.about-table td {
  padding: 18px 24px;
  vertical-align: top;
  font-size: 0.9rem;
  line-height: 1.7;
}
.about-table th {
  width: 36%;
  font-weight: 700;
  color: var(--clr-accent-1);
  white-space: nowrap;
}
.about-table td {
  color: var(--clr-text);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--clr-bg-2);
  position: relative;
  overflow: hidden;
}
.contact::after {
  content: '';
  position: absolute;
  bottom: -300px; left: -150px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(129,140,248,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-card);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
}
.contact-info-item i {
  font-size: 1.1rem;
  margin-top: 2px;
  color: var(--clr-accent-1);
  flex-shrink: 0;
}
.info-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--clr-accent-1);
  margin-bottom: 4px;
  text-transform: uppercase;
}
.info-value {
  font-size: 0.875rem;
  color: var(--clr-text);
  line-height: 1.6;
}
.info-email {
  font-size: 0.875rem;
  color: var(--clr-accent-1);
  line-height: 1.6;
  word-break: break-all;
  transition: opacity 0.2s ease;
}
.info-email:hover { opacity: 0.75; text-decoration: underline; }

.contact-note-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: rgba(56,189,248,0.06);
  border: 1px solid rgba(56,189,248,0.18);
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}
.contact-note-box i { color: var(--clr-accent-2); margin-top: 2px; flex-shrink: 0; }

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-text);
  letter-spacing: 0.03em;
}
.required {
  color: #f87171;
  margin-left: 4px;
}
.optional {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--clr-text-faint);
  margin-left: 6px;
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  padding: 1px 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  background: rgba(255,255,255,0.04);
  color: var(--clr-text);
  font-family: var(--font-base);
  font-size: 0.9rem;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-text-faint);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--clr-accent-1);
  background: rgba(56,189,248,0.05);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.15);
}
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgba(248,113,113,0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.select-wrapper {
  position: relative;
}
.select-wrapper select {
  padding-right: 40px;
  cursor: pointer;
}
.select-wrapper select option {
  background: #1e293b;
  color: var(--clr-text);
}
.select-arrow {
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  color: var(--clr-text-faint);
  pointer-events: none;
}

.form-error {
  font-size: 0.78rem;
  color: #f87171;
  min-height: 1em;
}

.form-note {
  font-size: 0.82rem;
  color: var(--clr-text-faint);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.6;
}
.form-note i { color: var(--clr-accent-3); flex-shrink: 0; margin-top: 2px; }

/* Form success */
.form-success {
  display: none;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.25);
  color: #4ade80;
  font-size: 0.9rem;
  line-height: 1.6;
}
.form-success.show { display: flex; }
.form-success i { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.form-success p { color: var(--clr-text-muted); font-size: 0.85rem; margin-top: 2px; }
.form-success strong { display: block; margin-bottom: 2px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding-block: 36px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-logo-img {
  height: 34px;
  width: auto;
  filter: invert(1) brightness(1.1);
}
.footer-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}
.footer-address {
  font-size: 0.82rem;
  color: var(--clr-text-faint);
}
.footer-email {
  font-size: 0.8rem;
  color: var(--clr-accent-1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s ease;
  word-break: break-all;
}
.footer-email:hover { opacity: 0.75; }
.footer-email i { font-size: 0.75rem; }
.footer-copy {
  font-size: 0.8rem;
  color: var(--clr-text-faint);
}

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

/* Tablet */
@media (max-width: 900px) {
  .about-wrapper {
    grid-template-columns: 1fr;
  }
  .about-deco { height: 160px; }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Tablet: stack hero */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-img-panel {
    display: none;
  }
  .hero::before {
    opacity: 0.25;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .hide-sp { display: none; }
  .hide-pc { display: inline; }

  /* Nav */
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(11,15,26,0.98);
    backdrop-filter: blur(16px);
    padding: 16px 0 24px;
    border-bottom: 1px solid var(--clr-border);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-link {
    padding: 14px 28px;
    font-size: 1rem;
  }
  .nav-link::after { display: none; }
  .nav-link--cta {
    margin: 12px 28px 0;
    text-align: center;
    border-radius: 12px;
  }

  /* Hero */
  .hero-content {
    padding-block: 60px 100px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .btn { justify-content: center; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
  }
  .footer-info { align-items: center; }
  .footer-email { justify-content: center; }

  /* About table */
  .about-table th { width: 40%; font-size: 0.82rem; padding: 14px 14px; }
  .about-table td { font-size: 0.82rem; padding: 14px 14px; }
}

@media (max-width: 400px) {
  .services-grid { grid-template-columns: 1fr; }
}