/* ============================================================
   GYRO LLC — Corporate Site Stylesheet
   Design System: Dark Green × Brown × Off-White
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --color-bg-base:       #F8F7F4;
  --color-bg-inverse:    #1A2E20;
  --color-bg-inverse-2:  #152618;
  --color-text-main:     #1A2E20;
  --color-text-sub:      #4A5E50;
  --color-text-inverse:  #FFFFFF;
  --color-accent:        #8B6240;
  --color-accent-light:  #A87850;
  --color-accent-pale:   rgba(139, 98, 64, 0.12);
  --color-border:        rgba(26, 46, 32, 0.12);
  --color-border-inv:    rgba(255, 255, 255, 0.15);

  /* Typography */
  --font-main:  'Noto Sans JP', 'Yu Gothic', 'Hiragino Sans', sans-serif;
  --fw-normal:  400;
  --fw-medium:  500;
  --fw-bold:    700;
  --fw-black:   900;

  /* Spacing */
  --section-py-pc:   180px;
  --section-py-sp:   100px;
  --container-max:   1200px;
  --container-px:    clamp(20px, 5vw, 80px);

  /* Transitions */
  --transition-base:  0.3s ease;
  --transition-slow:  0.6s ease;
  --reveal-duration:  0.8s;
  --reveal-easing:    cubic-bezier(0.22, 1, 0.36, 1);

  /* Header */
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

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

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

ul, ol { list-style: none; }

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-main);
}

/* ------------------------------------------------------------
   3. Utility Classes
   ------------------------------------------------------------ */
.pc-only { display: inline; }
.sp-only { display: none; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* ------------------------------------------------------------
   4. Scroll Reveal (Intersection Observer)
   ------------------------------------------------------------ */
.reveal-item {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity var(--reveal-duration) var(--reveal-easing),
    transform var(--reveal-duration) var(--reveal-easing);
  will-change: opacity, transform;
}

.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for data-delay attribute */
.reveal-item[data-delay="0"] { transition-delay: 0.0s; }
.reveal-item[data-delay="1"] { transition-delay: 0.12s; }
.reveal-item[data-delay="2"] { transition-delay: 0.24s; }
.reveal-item[data-delay="3"] { transition-delay: 0.36s; }
.reveal-item[data-delay="4"] { transition-delay: 0.48s; }

/* Scale variant */
.reveal-scale {
  transform: translateY(36px) scale(0.92);
}
.reveal-scale.revealed {
  transform: translateY(0) scale(1);
}

/* ------------------------------------------------------------
   5. Section Eyebrow / Label
   ------------------------------------------------------------ */
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: flex-start;
  margin-bottom: 20px;
}

.section-eyebrow.centered,
.section-header-block .section-eyebrow {
  justify-content: center;
}

.eyebrow-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
}

.eyebrow-text {
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.eyebrow-inverse .eyebrow-text {
  color: var(--color-accent-light);
}
.eyebrow-inverse .eyebrow-line {
  background: var(--color-accent-light);
}

/* Section Headings */
.section-heading {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: var(--fw-black);
  line-height: 1.3;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.section-heading.centered {
  text-align: center;
}

.section-header-block {
  margin-bottom: clamp(56px, 6vw, 88px);
}

.section-lead {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  line-height: 2.0;
  color: var(--color-text-sub);
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
}

/* ------------------------------------------------------------
   6. HEADER
   ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease;
}

.site-header.scrolled {
  background: rgba(21, 38, 24, 0.92);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding-inline: clamp(20px, 4vw, 60px);
  max-width: 100%;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: var(--fw-black);
  color: var(--color-text-inverse);
  letter-spacing: 0.04em;
  line-height: 1;
  text-shadow: 0 1px 8px rgba(0,0,0,0.3);
}

/* Global Nav */
.global-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.85);
  position: relative;
  padding-bottom: 4px;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent-light);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  width: 100%;
}

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

/* Header Contact Button */
.header-contact-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.06em;
  padding: 9px 22px;
  border-radius: 2px;
  transition: background 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-contact-btn:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 4px;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.35s ease, opacity 0.35s ease;
  transform-origin: center;
}

.hamburger-btn.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger-btn.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(21, 38, 24, 0.97);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  text-align: center;
}

.mobile-nav-link {
  display: block;
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.08em;
  padding: 16px 40px;
  transition: color 0.3s ease;
}

.mobile-nav-link:hover {
  color: #fff;
}

.mobile-nav-link.mobile-contact {
  color: var(--color-accent-light);
  margin-top: 16px;
}

/* ------------------------------------------------------------
   7. HERO SECTION
   ------------------------------------------------------------ */
.hero-section {
  position: relative;
  width: 100vw;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Background */
.hero-bg-wrapper {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -5%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.1);
  animation: heroBgScale 1.6s var(--reveal-easing) forwards;
  will-change: transform;
}

@keyframes heroBgScale {
  from { transform: scale(1.1); }
  to   { transform: scale(1.0); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(21, 38, 24, 0.72) 0%,
    rgba(21, 38, 24, 0.55) 50%,
    rgba(21, 38, 24, 0.70) 100%
  );
}

/* Content */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 clamp(20px, 6vw, 80px);
}

.hero-catchcopy {
  overflow: hidden;
}

.hero-main-text {
  font-size: clamp(2.8rem, 6.5vw, 7.5rem);
  font-weight: var(--fw-black);
  color: var(--color-text-inverse);
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-shadow: 0 4px 32px rgba(0,0,0,0.35);
}

.hero-text-line {
  display: block;
  opacity: 0;
  transform: translateY(60px);
  animation: heroTextReveal 0.9s var(--reveal-easing) forwards;
}

.hero-text-line:nth-child(1) { animation-delay: 0.4s; }
.hero-text-line:nth-child(2) { animation-delay: 0.62s; }

@keyframes heroTextReveal {
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 60px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeInUp 1s ease 1.4s forwards;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.5);
  animation: scrollLinePulse 2s ease-in-out 2s infinite;
}

@keyframes scrollLinePulse {
  0%, 100% { transform: scaleY(1); opacity: 0.5; }
  50%       { transform: scaleY(0.6); opacity: 1; }
}

.scroll-text {
  font-size: 0.65rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.6);
  writing-mode: vertical-rl;
}

/* Bottom Bar */
.hero-bottom-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 20px clamp(24px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.hero-tagline {
  font-size: 0.72rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
}

/* ------------------------------------------------------------
   8. SLOGAN SECTION
   ------------------------------------------------------------ */
.slogan-section {
  background: var(--color-bg-inverse);
  padding-block: var(--section-py-pc);
  overflow: hidden;
  position: relative;
}

.slogan-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,98,64,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.slogan-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
  text-align: center;
  padding-inline: 10vw;
}

.slogan-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.label-text {
  font-size: 0.72rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.3em;
  color: var(--color-accent-light);
  text-transform: uppercase;
}

.label-line {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--color-accent);
}

.slogan-text {
  font-size: clamp(2.2rem, 5.5vw, 5.5rem);
  font-weight: var(--fw-black);
  color: var(--color-accent-light);
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-bottom: 40px;
}

.slogan-sub {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  font-weight: var(--fw-medium);
  color: rgba(255,255,255,0.6);
  line-height: 2.0;
  letter-spacing: 0.05em;
}

/* ------------------------------------------------------------
   9. GREETING SECTION
   ------------------------------------------------------------ */
.greeting-section {
  background: var(--color-bg-base);
  padding-block: var(--section-py-pc);
  overflow: hidden;
}

.greeting-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
  display: grid;
  grid-template-columns: 40% 60%;
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
}

/* Left column */
.greeting-left {
  position: relative;
}

.vertical-heading {
  position: absolute;
  top: 0;
  left: -20px;
  z-index: 1;
}

.vertical-en {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: var(--fw-black);
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(26, 46, 32, 0.12);
  letter-spacing: 0.1em;
  line-height: 1;
  user-select: none;
}

.greeting-image-wrapper {
  padding-top: 48px;
  padding-left: 28px;
}

.greeting-image-frame {
  position: relative;
  border-radius: 6px;
  overflow: visible;
}

.greeting-image {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 6px;
  display: block;
  transition: transform 0.6s ease;
  position: relative;
  z-index: 1;
}

.image-accent-block {
  position: absolute;
  bottom: -18px;
  right: -18px;
  width: 60%;
  height: 60%;
  background: var(--color-accent);
  opacity: 0.25;
  border-radius: 4px;
  z-index: 0;
}

/* Right column */
.greeting-right {
  padding-top: 8px;
}

.greeting-right .section-heading {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  margin-bottom: 36px;
}

.greeting-text-block {
  margin-bottom: 40px;
}

.greeting-paragraph {
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  line-height: 2.0;
  color: var(--color-text-sub);
  margin-bottom: 24px;
}

.greeting-paragraph:last-child {
  margin-bottom: 0;
}

.greeting-signature {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.signature-role {
  font-size: 0.78rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.signature-name {
  font-size: 1.25rem;
  font-weight: var(--fw-black);
  color: var(--color-text-main);
  letter-spacing: 0.08em;
}

/* ------------------------------------------------------------
   10. MISSION & VISION SECTION
   ------------------------------------------------------------ */
.mission-vision-section {
  background: var(--color-bg-inverse);
  padding-block: var(--section-py-pc);
  overflow: hidden;
}

.mission-vision-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 3vw, 48px);
  align-items: stretch;
}

/* MV Cards */
.mv-card {
  position: relative;
  border: 1px solid rgba(139,98,64,0.3);
  border-radius: 8px;
  padding: clamp(40px, 5vw, 72px) clamp(32px, 4vw, 56px);
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(2px);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.mv-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.3);
}

/* Watermark text */
.mv-bg-text {
  position: absolute;
  bottom: -20px;
  right: -20px;
  font-size: clamp(5rem, 10vw, 10rem);
  font-weight: var(--fw-black);
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255,255,255,0.06);
  letter-spacing: -0.02em;
  line-height: 1;
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
  transition: transform 0.1s linear;
}

.mv-card-inner {
  position: relative;
  z-index: 1;
}

.mv-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
}

.mv-label-en {
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.3em;
  color: var(--color-accent-light);
  text-transform: uppercase;
}

.mv-label-ja {
  font-size: 0.85rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
}

.mv-divider {
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  margin-bottom: 28px;
  border-radius: 2px;
}

.mv-text {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: var(--fw-black);
  color: var(--color-text-inverse);
  line-height: 1.75;
  letter-spacing: 0.02em;
}

/* ------------------------------------------------------------
   11. VALUE SECTION
   ------------------------------------------------------------ */
.value-section {
  background: var(--color-bg-base);
  padding-block: var(--section-py-pc);
  overflow: hidden;
}

.value-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 28px);
}

/* Value Cards */
.value-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.value-card:nth-child(4),
.value-card:nth-child(5) {
  /* 4th and 5th cards shift for stagger layout */
}

/* 4th and 5th: create 2-column centered at bottom */
.value-grid .value-card:nth-child(4) {
  grid-column: 1 / 2;
}
.value-grid .value-card:nth-child(5) {
  grid-column: 2 / 3;
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(26, 46, 32, 0.18);
}

.value-card-inner {
  background: var(--color-bg-inverse);
  border-radius: 6px;
  padding: clamp(28px, 3vw, 44px) clamp(24px, 2.5vw, 36px);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(139, 98, 64, 0.2);
  position: relative;
  overflow: hidden;
}

.value-card-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.value-card:hover .value-card-inner::before {
  opacity: 1;
}

.value-number {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: var(--fw-black);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 20px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.value-content {
  flex: 1;
}

.value-title {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: var(--fw-black);
  color: var(--color-text-inverse);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.value-desc {
  font-size: clamp(0.82rem, 1.1vw, 0.925rem);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.6);
}

/* ------------------------------------------------------------
   12. SERVICE SECTION
   ------------------------------------------------------------ */
.service-section {
  background: var(--color-bg-inverse);
  padding-block: var(--section-py-pc);
  overflow: hidden;
}

.service-section .section-heading {
  color: var(--color-text-inverse);
}

.service-section .section-eyebrow .eyebrow-text {
  color: var(--color-accent-light);
}

.service-section .section-eyebrow .eyebrow-line {
  background: var(--color-accent-light);
}

.service-section .section-lead {
  color: rgba(255, 255, 255, 0.55);
}

.service-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: clamp(64px, 7vw, 112px);
}

/* Service Item base */
.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 88px);
  align-items: center;
}

.service-item--even {
  /* image on left, text on right — already set by grid order */
}

/* Text side */
.service-item-text {
  position: relative;
}

.service-num {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--fw-black);
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(139, 98, 64, 0.4);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  user-select: none;
}

.service-title {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: var(--fw-black);
  color: var(--color-text-inverse);
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.service-desc {
  font-size: clamp(0.85rem, 1.2vw, 0.95rem);
  line-height: 2.0;
  color: rgba(255, 255, 255, 0.58);
}

/* Image side */
.service-item-image {
  position: relative;
}

.service-image-wrapper {
  position: relative;
  border-radius: 8px;
  overflow: visible;
}

.service-image-mask {
  position: absolute;
  inset: 0;
  background: var(--color-bg-inverse-2);
  z-index: 2;
  border-radius: 8px;
  transform-origin: left center;
  transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
}

.service-item.revealed .service-image-mask {
  transform: scaleX(0);
}

.service-item--even .service-image-mask {
  transform-origin: right center;
}

.service-image {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: 8px;
  display: block;
  transition: transform 0.8s ease;
  position: relative;
  z-index: 1;
}

.service-item:hover .service-image {
  transform: scale(1.03);
}

.service-accent-block {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 48%;
  height: 48%;
  background: var(--color-accent);
  opacity: 0.2;
  border-radius: 4px;
  z-index: 0;
  pointer-events: none;
}

.service-item--even .service-accent-block {
  right: auto;
  left: -16px;
}

/* ------------------------------------------------------------
   13. COMPANY SECTION
   ------------------------------------------------------------ */
.company-section {
  background: var(--color-bg-base);
  padding-block: var(--section-py-pc);
}

.company-inner {
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.company-table-wrapper {
  border-top: 1px solid var(--color-border);
}

.company-table {
  width: 100%;
}

.company-row {
  display: grid;
  grid-template-columns: 28% 72%;
  border-bottom: 1px solid var(--color-border);
  padding-block: 28px;
  align-items: baseline;
  gap: 20px;
}

.company-term {
  font-size: 0.82rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  color: var(--color-text-sub);
}

.company-desc {
  font-size: 1rem;
  font-weight: var(--fw-medium);
  color: var(--color-text-main);
  line-height: 1.8;
}

.company-email {
  color: var(--color-accent);
  border-bottom: 1px solid rgba(139, 98, 64, 0.3);
  padding-bottom: 1px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.company-email:hover {
  color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

/* ------------------------------------------------------------
   14. CONTACT SECTION
   ------------------------------------------------------------ */
.contact-section {
  background: var(--color-bg-inverse);
  padding-block: var(--section-py-pc);
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Decorative accent shapes */
.contact-bg-accent {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.contact-bg-accent:first-child {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139,98,64,0.12) 0%, transparent 70%);
  top: -200px;
  left: -200px;
}

.contact-bg-accent--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139,98,64,0.08) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
}

.contact-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.contact-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-heading {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: var(--fw-black);
  color: var(--color-text-inverse);
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.contact-lead {
  font-size: clamp(0.9rem, 1.4vw, 1rem);
  color: rgba(255, 255, 255, 0.6);
  line-height: 2.0;
  margin-bottom: 52px;
}

/* CTA Button */
.contact-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: min(420px, 90vw);
  padding: 22px 40px;
  background: var(--color-accent);
  color: #fff;
  font-size: 1rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  transition:
    background 0.35s ease,
    transform 0.35s ease,
    box-shadow 0.35s ease;
  box-shadow: 0 4px 24px rgba(139, 98, 64, 0.35);
}

.contact-cta-btn:hover {
  background: var(--color-accent-light);
  transform: scale(1.04);
  box-shadow: 0 8px 40px rgba(139, 98, 64, 0.5);
}

.cta-btn-text {
  position: relative;
  z-index: 1;
}

.cta-btn-arrow {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  font-size: 1rem;
  transition: transform 0.35s ease;
}

.contact-cta-btn:hover .cta-btn-arrow {
  transform: translateX(6px);
}

/* Ripple */
.ripple-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: rippleAnim 0.65s ease-out forwards;
  background: rgba(255, 255, 255, 0.22);
  pointer-events: none;
}

@keyframes rippleAnim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ------------------------------------------------------------
   15. FOOTER
   ------------------------------------------------------------ */
.site-footer {
  background: var(--color-bg-inverse-2);
  padding-block: 60px 32px;
}

.footer-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border-inv);
}

.footer-logo-text {
  display: block;
  font-size: 1.1rem;
  font-weight: var(--fw-black);
  color: var(--color-text-inverse);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.06em;
}

.footer-nav-list {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-nav-list a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
  transition: color 0.3s ease;
}

.footer-nav-list a:hover {
  color: var(--color-text-inverse);
}

.footer-bottom {
  text-align: center;
}

.footer-copyright {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.06em;
}

/* ------------------------------------------------------------
   16. BACK TO TOP
   ------------------------------------------------------------ */
.back-to-top {
  position: fixed;
  bottom: 36px;
  right: 36px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease, background 0.3s ease;
  box-shadow: 0 4px 20px rgba(139, 98, 64, 0.4);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent-light);
  transform: translateY(-3px);
}

/* ------------------------------------------------------------
   17. RESPONSIVE — Tablet (max 1024px)
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  :root {
    --section-py-pc: 130px;
  }

  .nav-list {
    gap: 24px;
  }

  .greeting-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .greeting-left {
    max-width: 480px;
    margin-inline: auto;
  }

  .vertical-heading {
    left: 0;
    top: -20px;
  }

  .mission-vision-inner {
    grid-template-columns: 1fr;
  }

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

  .value-grid .value-card:nth-child(4),
  .value-grid .value-card:nth-child(5) {
    grid-column: auto;
  }

  .service-item {
    gap: 36px;
  }
}

/* ------------------------------------------------------------
   18. RESPONSIVE — Mobile (max 768px)
   ------------------------------------------------------------ */
@media (max-width: 768px) {
  :root {
    --section-py-pc: var(--section-py-sp);
    --header-h: 60px;
  }

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

  /* Header */
  .global-nav,
  .header-contact-btn {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  /* Hero */
  .hero-main-text {
    font-size: clamp(2rem, 9vw, 3.5rem);
  }

  /* Slogan */
  .slogan-inner {
    padding-inline: 6vw;
  }

  .slogan-text {
    font-size: clamp(1.8rem, 7vw, 3rem);
  }

  /* Greeting */
  .greeting-image {
    height: 320px;
  }

  .greeting-right .section-heading {
    font-size: 1.5rem;
  }

  /* Mission & Vision */
  .mission-vision-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Value */
  .value-grid {
    grid-template-columns: 1fr;
  }

  .value-grid .value-card:nth-child(4),
  .value-grid .value-card:nth-child(5) {
    grid-column: auto;
  }

  /* Service */
  .service-item,
  .service-item--odd,
  .service-item--even {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .service-item--even .service-item-image {
    order: -1;
  }

  .service-image {
    height: 240px;
  }

  /* Company */
  .company-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-block: 20px;
  }

  /* Footer */
  .footer-top {
    flex-direction: column;
    gap: 28px;
  }

  .footer-nav-list {
    gap: 16px;
  }

  /* Back to top */
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

/* ------------------------------------------------------------
   19. RESPONSIVE — Small Mobile (max 480px)
   ------------------------------------------------------------ */
@media (max-width: 480px) {
  .hero-main-text {
    font-size: clamp(1.8rem, 10vw, 2.8rem);
  }

  .slogan-text {
    font-size: 1.8rem;
  }

  .contact-cta-btn {
    width: 100%;
    font-size: 0.92rem;
    padding: 18px 28px;
  }
}

/* ------------------------------------------------------------
   20. FOCUS & ACCESSIBILITY
   ------------------------------------------------------------ */
:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ------------------------------------------------------------
   21. ACTIVE NAV STATE
   ------------------------------------------------------------ */
.nav-link.active {
  color: #fff;
}
.nav-link.active::after {
  width: 100%;
  background: var(--color-accent-light);
}

/* ------------------------------------------------------------
   22. NUMBER ANIMATION (Value Cards)
   ------------------------------------------------------------ */
.value-number.number-animated {
  animation: numberPop 0.5s var(--reveal-easing) forwards;
}

@keyframes numberPop {
  0%   { transform: scale(0.85); }
  60%  { transform: scale(1.06); }
  100% { transform: scale(1.0); }
}

/* ------------------------------------------------------------
   23. SERVICE ITEM TEXT SLIDE-IN
   ------------------------------------------------------------ */
.service-item .service-item-text {
  opacity: 0;
  transform: translateX(-32px);
  transition:
    opacity 0.75s var(--reveal-easing) 0.4s,
    transform 0.75s var(--reveal-easing) 0.4s;
}

.service-item--even .service-item-text {
  transform: translateX(32px);
}

.service-item.revealed .service-item-text {
  opacity: 1;
  transform: translateX(0);
}

/* ------------------------------------------------------------
   24. GREETING SECTION EYEBROW FIX
   ------------------------------------------------------------ */
.greeting-right .section-eyebrow {
  justify-content: flex-start;
  margin-bottom: 16px;
}

/* ------------------------------------------------------------
   25. HERO READY STATE
   ------------------------------------------------------------ */
.hero-text-ready .hero-main-text {
  /* subtle glow after load */
  text-shadow: 0 4px 40px rgba(0,0,0,0.4), 0 0 80px rgba(139,98,64,0.12);
}

/* ------------------------------------------------------------
   26. SECTION ALTERNATION VISUAL HINT
   (decorative left border accent for light sections)
   ------------------------------------------------------------ */
.greeting-section,
.value-section,
.company-section {
  position: relative;
}

.greeting-section::after,
.value-section::after,
.company-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--color-accent) 30%,
    var(--color-accent) 70%,
    transparent 100%
  );
  opacity: 0.25;
}

/* ------------------------------------------------------------
   27. FOCUS OUTLINE OVERRIDES for nav links
   ------------------------------------------------------------ */
.nav-link:focus-visible,
.mobile-nav-link:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ------------------------------------------------------------
   28. LOADING STATE — body before fonts load
   ------------------------------------------------------------ */
body:not(.fonts-loaded) .hero-text-line {
  animation-play-state: paused;
}

/* ------------------------------------------------------------
   29. SERVICE SECTION heading/eyebrow override
   ------------------------------------------------------------ */
.service-section .section-header-block .section-eyebrow {
  justify-content: center;
}

/* ------------------------------------------------------------
   30. GREETING IMAGE overflow clip fix
   ------------------------------------------------------------ */
.greeting-image-frame {
  clip-path: none;
}

.greeting-image-wrapper {
  overflow: visible;
}

/* Smooth transitions for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal-item {
    opacity: 1;
    transform: none;
  }
  .hero-text-line {
    opacity: 1;
    transform: none;
  }
}

/* ------------------------------------------------------------
   2026.06.03 add css
   ------------------------------------------------------------ */

.logo-text img{
max-width:70%;
}

.slogan-inner{
background-image: url("../image/image-01.png");
background-repeat: no-repeat;
background-position: center center;
background-size: contain;
}