/* =========================================
   OZB Corporate Site — style.css  v2
   ========================================= */

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

:root {
  --black:    #080808;
  --black-2:  #111111;
  --black-3:  #1a1a1a;
  --white:    #ffffff;
  --off-white:#fafaf9;
  --gray-50:  #f5f5f3;
  --gray-100: #eaeae7;
  --gray-200: #d4d4cf;
  --gray-400: #9a9a94;
  --gray-600: #5a5a55;
  --gray-800: #2a2a27;
  --gold:     #b89a60;
  --gold-lt:  #d4b97a;
  --gold-dk:  #9a8040;

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

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --dur: 0.4s;
  --transition: var(--dur) var(--ease);

  --shadow-xs: 0 1px 4px rgba(0,0,0,0.06);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.11);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.14);
  --shadow-xl: 0 40px 100px rgba(0,0,0,0.18);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-ja);
  color: var(--black);
  background: var(--white);
  line-height: 1.75;
  -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; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }
.pc-only { display: inline; }

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* ---------- Scroll animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.services__featured .fade-up:nth-child(2)  { transition-delay: 0.12s; }
.services__grid   .fade-up:nth-child(2)    { transition-delay: 0.1s; }
.services__grid   .fade-up:nth-child(3)    { transition-delay: 0.2s; }
.services__grid   .fade-up:nth-child(4)    { transition-delay: 0.3s; }
.strength__grid   .fade-up:nth-child(2)    { transition-delay: 0.08s; }
.strength__grid   .fade-up:nth-child(3)    { transition-delay: 0.16s; }
.strength__grid   .fade-up:nth-child(4)    { transition-delay: 0.08s; }
.strength__grid   .fade-up:nth-child(5)    { transition-delay: 0.16s; }
.strength__grid   .fade-up:nth-child(6)    { transition-delay: 0.24s; }
.works__grid      .fade-up:nth-child(2)    { transition-delay: 0.1s; }
.works__grid      .fade-up:nth-child(3)    { transition-delay: 0.15s; }
.works__grid      .fade-up:nth-child(4)    { transition-delay: 0.2s; }
.testimonials__grid .fade-up:nth-child(2)  { transition-delay: 0.1s; }
.testimonials__grid .fade-up:nth-child(3)  { transition-delay: 0.2s; }
.flow__timeline   .fade-up:nth-child(2)    { transition-delay: 0.1s; }
.flow__timeline   .fade-up:nth-child(3)    { transition-delay: 0.2s; }
.flow__timeline   .fade-up:nth-child(4)    { transition-delay: 0.3s; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-en);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn--gold {
  background: var(--gold);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(184,154,96,0.35);
}
.btn--gold:hover {
  background: var(--gold-lt);
  box-shadow: 0 8px 32px rgba(184,154,96,0.5);
  transform: translateY(-2px);
}
.btn--dark {
  background: var(--black);
  color: var(--white);
}
.btn--dark:hover {
  background: var(--black-3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  border: 1.5px solid rgba(255,255,255,0.4);
  color: var(--white);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
}
.btn--arrow { gap: 10px; }
.btn--lg { padding: 16px 36px; font-size: 0.95rem; }
.btn--full { width: 100%; justify-content: center; }

/* ---------- Orange CTA Button + Sonar ---------- */
.btn--orange {
  background: #e86a18;
  color: var(--white);
  box-shadow: 0 4px 24px rgba(232,106,24,0.45);
  position: relative;
  z-index: 1;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.btn--orange:hover {
  background: #f07820;
  box-shadow: 0 8px 36px rgba(232,106,24,0.6);
  transform: translateY(-2px);
}

.btn-sonar-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-sonar-wrap::before,
.btn-sonar-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: rgba(232,106,24,0.35);
  animation: sonar 2.4s ease-out infinite;
  pointer-events: none;
}
.btn-sonar-wrap::after {
  animation-delay: 1.2s;
}

@keyframes sonar {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(1.9); opacity: 0; }
}

/* ---------- Section Commons ---------- */
.section { padding: 112px 0; }

.section__header {
  text-align: center;
  margin-bottom: 64px;
}
.section__label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
  position: relative;
}
.section__label::before,
.section__label::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin: 0 10px;
  opacity: 0.6;
}
.section__title {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}
.section__sub {
  margin-top: 18px;
  color: var(--gray-600);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* =========================================
   TICKER
   ========================================= */
.ticker {
  background: var(--black);
  height: 36px;
  overflow: hidden;
  position: relative;
  z-index: 1100;
}
.ticker__track {
  display: flex;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
  height: 100%;
  padding-left: 100%;
}
.ticker__track span {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  flex-shrink: 0;
}
.ticker__dot { color: var(--gold) !important; font-size: 0.45rem !important; }
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =========================================
   HEADER
   ========================================= */
.header {
  position: fixed;
  top: 36px;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), top var(--transition);
}
.header.scrolled {
  top: 0;
  background: rgba(8,8,8,0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.header__logo img {
  height: 34px;
  width: auto;
  filter: invert(1) brightness(2);
}
.nav__list {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav__link {
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.75);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav__link:hover { color: var(--white); }
.nav__link:hover::after { width: 100%; }

.nav__link--cta {
  padding: 8px 20px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  color: var(--white);
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* =========================================
   HERO
   ========================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
  padding-top: 108px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--black);
  z-index: 0;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}
.hero__glow--1 {
  width: 600px;
  height: 600px;
  background: var(--gold);
  top: -150px;
  right: -100px;
  animation: glow1 8s ease-in-out infinite alternate;
}
.hero__glow--2 {
  width: 400px;
  height: 400px;
  background: #3060b0;
  bottom: -100px;
  left: 5%;
  opacity: 0.07;
  animation: glow2 10s ease-in-out infinite alternate;
}
@keyframes glow1 { from { transform: scale(1) translateY(0); } to { transform: scale(1.15) translateY(30px); } }
@keyframes glow2 { from { transform: scale(1) translateX(0); } to { transform: scale(1.2) translateX(-20px); } }

.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: 80px;
}
.hero__content {
  max-width: 760px;
}
.hero__eyebrow { margin-bottom: 24px; transition-delay: 0.05s; }
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 6px 16px;
  border: 1px solid rgba(184,154,96,0.35);
  border-radius: 100px;
  background: rgba(184,154,96,0.08);
}
.hero__title {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  transition-delay: 0.15s;
}
.hero__title-line { display: block; white-space: nowrap; }
.hero__title-line--accent {
  background: linear-gradient(135deg, var(--gold-lt) 0%, var(--gold) 50%, var(--gold-dk) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  font-size: clamp(0.88rem, 1.3vw, 1.02rem);
  color: rgba(255,255,255,0.62);
  line-height: 2;
  margin-bottom: 48px;
  max-width: 600px;
  transition-delay: 0.25s;
}
.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 64px;
  transition-delay: 0.35s;
}
.hero__metrics {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 24px 32px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  width: fit-content;
  transition-delay: 0.45s;
}
.hero__metric { text-align: center; padding: 0 28px; }
.hero__metric:first-child { padding-left: 0; }
.hero__metric:last-child  { padding-right: 0; }
.hero__metric-num {
  display: block;
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--white);
  margin-bottom: 6px;
}
.hero__metric-num small {
  font-size: 1rem;
  vertical-align: super;
  letter-spacing: 0;
  color: var(--gold);
}
.hero__metric-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.06em;
  font-family: var(--font-en);
}
.hero__metric-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero__scroll-bar {
  width: 1px;
  height: 56px;
  background: rgba(255,255,255,0.1);
  border-radius: 1px;
  overflow: hidden;
}
.hero__scroll-thumb {
  width: 100%;
  height: 40%;
  background: var(--gold);
  border-radius: 1px;
  animation: scrollThumb 2.4s ease-in-out infinite;
}
@keyframes scrollThumb {
  0%   { transform: translateY(-100%); }
  50%  { transform: translateY(150%); }
  100% { transform: translateY(300%); }
}

/* =========================================
   MARQUEE
   ========================================= */
.marquee-section {
  background: var(--off-white);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  padding: 28px 0;
  overflow: hidden;
}
.marquee-section__label {
  text-align: center;
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 18px;
}
.marquee-wrap { overflow: hidden; position: relative; }
.marquee-wrap::before,
.marquee-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 1;
}
.marquee-wrap::before { left: 0;  background: linear-gradient(to right,  var(--off-white), transparent); }
.marquee-wrap::after  { right: 0; background: linear-gradient(to left, var(--off-white), transparent); }
.marquee-track {
  display: flex;
  gap: 40px;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-track span {
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray-600);
  letter-spacing: 0.04em;
  padding: 6px 18px;
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  white-space: nowrap;
  background: var(--white);
  box-shadow: var(--shadow-xs);
}
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =========================================
   ABOUT
   ========================================= */
.about { background: var(--white); }
.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.about__left .section__label { display: block; text-align: left; margin-bottom: 16px; }
.about__left .section__label::before { display: none; }
.about__left .section__label::after  { display: none; }
.about__left .section__title { text-align: left; }
.about__divider {
  width: 48px;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
  margin: 28px 0;
}
.about__lead {
  font-size: 1rem;
  font-weight: 500;
  color: var(--black-3);
  line-height: 1.9;
  margin-bottom: 16px;
}
.about__body {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 2;
  margin-bottom: 36px;
}
.about__visual { position: relative; }
.about__card--main {
  background: linear-gradient(135deg, var(--black) 0%, var(--black-3) 100%);
  border-radius: var(--radius-xl);
  padding: 36px;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.06);
}
.about__card-inner { text-align: center; }
.about__card-icon  { display: flex; justify-content: center; margin-bottom: 16px; }
.about__card-title {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.about__card-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}
.about__stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.about__stat-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.about__stat-card:hover {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184,154,96,0.08);
}
.stat__num {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--black);
}
.stat__unit {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold);
  margin-left: 2px;
}
.stat__label {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--gray-600);
  line-height: 1.5;
  white-space: nowrap;
}

/* =========================================
   SERVICES
   ========================================= */
.services { background: var(--black); color: var(--white); }
.services .section__label { color: var(--gold); }
.services .section__title { color: var(--white); }
.services .section__sub   { color: rgba(255,255,255,0.45); }

.services__featured {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}
.service-featured {
  background: var(--black-2);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.service-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-featured:hover { border-color: rgba(184,154,96,0.25); box-shadow: 0 24px 64px rgba(0,0,0,0.3); }
.service-featured:hover::before { opacity: 1; }

.service-featured__num {
  position: absolute;
  top: 28px;
  right: 32px;
  font-family: var(--font-en);
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  letter-spacing: -0.06em;
  line-height: 1;
}
.service-featured__icon {
  width: 56px;
  height: 56px;
  color: var(--gold);
  margin-bottom: 24px;
}
.service-featured__icon svg { width: 100%; height: 100%; }
.service-featured__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}
.service-featured__desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.85;
  margin-bottom: 20px;
}
.service-featured__list {
  margin-bottom: 24px;
}
.service-featured__list li {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-featured__list li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.service-featured__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-featured__tags span {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid rgba(184,154,96,0.3);
  color: var(--gold);
  background: rgba(184,154,96,0.06);
  letter-spacing: 0.04em;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card {
  background: var(--black-2);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-color: rgba(184,154,96,0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.service-card__num {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 16px;
}
.service-card__icon {
  width: 40px;
  height: 40px;
  color: var(--gold);
  margin-bottom: 16px;
}
.service-card__icon svg { width: 100%; height: 100%; }
.service-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.service-card__desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
  margin-bottom: 16px;
}
.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.service-card__tags span {
  font-family: var(--font-en);
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 100px;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.08);
}

/* =========================================
   STRENGTH
   ========================================= */
.strength { background: var(--off-white); }
.strength__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.strength-item {
  background: var(--white);
  padding: 40px 32px;
  border-right: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition), box-shadow var(--transition);
  position: relative;
}
.strength-item:hover { background: var(--gray-50); }
.strength-item:nth-child(3n) { border-right: none; }
.strength-item:nth-child(4),
.strength-item:nth-child(5),
.strength-item:nth-child(6) { border-bottom: none; }

.strength-item__icon {
  width: 48px;
  height: 48px;
  background: rgba(184,154,96,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid rgba(184,154,96,0.15);
}
.strength-item__title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.strength-item__desc {
  font-size: 0.82rem;
  color: var(--gray-600);
  line-height: 1.85;
}

/* =========================================
   WORKS
   ========================================= */
.works { background: var(--white); }
.works__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* カード全体 */
.work-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--white);
  display: flex;
  flex-direction: column;
}
.work-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }

/* ── 上部：濃い背景エリア ── */
.work-card__visual {
  position: relative;
  padding: 24px 24px 20px;
  overflow: hidden;
  flex-shrink: 0;
}
.work-card__visual--1 { background: linear-gradient(135deg, #0c0c1a 0%, #141428 50%, #0f2040 100%); }
.work-card__visual--2 { background: linear-gradient(135deg, #0a1a0a 0%, #101e10 50%, #0a2f1a 100%); }
.work-card__visual--3 { background: linear-gradient(135deg, #1a0c0a 0%, #2a1a0c 50%, #1e1008 100%); }
.work-card__visual--4 { background: linear-gradient(135deg, #0a0a1a 0%, #14141e 50%, #0a0a28 100%); }
.work-card__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(184,154,96,0.15) 0%, transparent 60%);
  pointer-events: none;
}

/* アイコン＋テキストを横並び */
.work-card__visual-content {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  position: relative;
  z-index: 1;
}

/* アイコン（img） */
.work-card__app-icon {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}

/* アイコン（SVG） */
.work-card__app-icon--svg {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}
.work-card__app-icon--svg svg { width: 56px; height: 56px; }
.work-card__app-icon--green  { background: linear-gradient(135deg, #166534, #15803d); }
.work-card__app-icon--gold   { background: linear-gradient(135deg, #92400e, #b45309); }
.work-card__app-icon--purple { background: linear-gradient(135deg, #4c1d95, #6d28d9); }

/* アイコン横のテキスト群 */
.work-card__visual-text {
  flex: 1;
  min-width: 0;
}
.work-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
.work-card__industry {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
  background: rgba(184,154,96,0.15);
  border: 1px solid rgba(184,154,96,0.3);
  padding: 2px 9px;
  border-radius: 100px;
}
.work-card__period {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.45);
}
.work-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.45;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.work-card__desc {
  font-size: 0.76rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  margin: 0;
}

/* カテゴリバッジ行（バッジ＋ボタン横並び） */
.work-card__category-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  position: relative;
  z-index: 1;
}

/* カテゴリバッジ（左下） */
.work-card__category {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  padding: 4px 11px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.18);
  white-space: nowrap;
}

/* ── ソナーエフェクト付きオレンジボタン ── */
.work-card__sonar-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 13px;
  border-radius: 6px;
  background: #E8622A;
  color: #fff;
  font-family: var(--font-ja);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  overflow: visible;
  transition: background 0.2s, transform 0.2s;
  /* バッジと同じ高さに揃える */
  height: 26px;
}
.work-card__sonar-btn svg {
  flex-shrink: 0;
}
/* ソナー波紋（::before / ::after） */
.work-card__sonar-btn::before,
.work-card__sonar-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 6px;
  background: #E8622A;
  opacity: 0;
  transform: scale(1);
  pointer-events: none;
}
.work-card__sonar-btn:hover {
  background: #d4521e;
  transform: translateY(-1px);
}
.work-card__sonar-btn:hover::before {
  animation: sonar-wave 1.2s ease-out forwards;
}
.work-card__sonar-btn:hover::after {
  animation: sonar-wave 1.2s 0.35s ease-out forwards;
}

/* 申請中バリアント */
.work-card__sonar-btn--pending {
  background: #2563EB;
  border: none;
  color: #fff;
}
.work-card__sonar-btn--pending::before,
.work-card__sonar-btn--pending::after {
  background: #2563EB;
}
.work-card__sonar-btn--pending:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}

@keyframes sonar-wave {
  0%   { transform: scale(1);    opacity: 0.55; }
  100% { transform: scale(2.4);  opacity: 0; }
}

/* ── 下部：白エリア（数値＋ボタン横並び） ── */
.work-card__body {
  padding: 18px 24px 20px;
  background: var(--white);
}
.work-card__bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.work-card__results {
  display: flex;
  gap: 18px;
  flex-shrink: 0;
}
.work-result {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.work-result__num {
  display: block;
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.work-result__label {
  font-size: 0.65rem;
  color: var(--gray-400);
  white-space: nowrap;
}

/* ボタン */
.work-card__link-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 9px 16px;
  border: 1.5px solid var(--black);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--black);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}
.work-card__link-btn:hover {
  background: var(--black);
  color: var(--white);
}
.work-card__link-btn--sub {
  border-color: var(--gray-300);
  color: var(--gray-500);
}
.work-card__link-btn--sub:hover {
  background: var(--gray-100);
  color: var(--black);
}

/* ── Works タブ（バインダー型） ── */
.works__tabs-wrapper {
  margin-bottom: 32px;
  /* アクティブタブと同じゴールドで底辺ライン */
  border-bottom: 2px solid var(--gold);
}

.works__tabs {
  display: flex;
  gap: 4px;
  align-items: flex-end;
  padding-bottom: 0;
}

/* タブ本体：transform skewX で平行四辺形（バインダータブ風） */
.works__tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  /* 右にスペース、左は skew 分だけ多めに */
  padding: 5px 36px 7px 14px;
  border: 1.5px solid var(--gray-200);
  border-bottom: none;
  background: var(--gray-50);
  font-family: var(--font-ja);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-400);
  cursor: pointer;
  white-space: nowrap;
  /* 右上斜めカット（右側が右下に向かって下がる形） */
  clip-path: polygon(0% 0%, calc(100% - 20px) 0%, 100% 100%, 0% 100%);
  /* タブ同士を少し重ねて境界を自然に */
  margin-right: -6px;
  z-index: 1;
  transition: background 0.2s var(--ease),
              color 0.2s var(--ease),
              border-color 0.2s var(--ease);
  min-height: 32px;
  border-radius: 4px 0 0 0;
}

/* 斜めカット右辺のボーダー線（細い斜め線） */
.works__tab::before {
  content: '';
  position: absolute;
  top: -1px;
  right: 0;
  width: 22px;
  height: calc(100% + 1px);
  /* 右上斜め線 */
  clip-path: polygon(0% 0%, 1.5px 0%, 100% 100%, calc(100% - 1.5px) 100%);
  background: var(--gray-200);
  pointer-events: none;
  transition: background 0.2s var(--ease);
}

.works__tab svg { flex-shrink: 0; }

/* ── ホバー：ゴールド背景・白文字 ── */
.works__tab:hover {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
  z-index: 3;
}
.works__tab:hover::before { background: var(--gold-dk); }

/* ── アクティブ：ゴールド背景・白文字・最前面・底辺を消して連結 ── */
.works__tab--active {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
  font-weight: 600;
  z-index: 4;
  /* 底辺を白で塗りつぶして wrapper の border-bottom と溶け込む */
  box-shadow: 0 2px 0 var(--gold);
}
.works__tab--active::before { background: var(--gold-dk); }

/* ── Works パネル ── */
.works__panel { display: none; }
.works__panel--active { display: block; }

/* ── デザイン実績グリッド ── */
.works__grid--design,
.works__grid--site {
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* デザインカード */
.work-card-design {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.work-card-design:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }

.work-card-design__img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 4.5;
}
.work-card-design__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.work-card-design:hover .work-card-design__img img { transform: scale(1.04); }

.work-card-design__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 55%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 14px 16px;
  opacity: 0;
  transition: opacity 0.3s;
  cursor: pointer;
}
.work-card-design:hover .work-card-design__overlay { opacity: 1; }
.work-card-design__zoom-icon {
  color: var(--white);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.work-card-design__cat {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--gold);
  padding: 3px 10px;
  border-radius: 100px;
}

.work-card-design__body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.work-card-design__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.work-card-design__tags span {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--gold-dk);
  background: rgba(184,154,96,0.1);
  border: 1px solid rgba(184,154,96,0.2);
  padding: 2px 9px;
  border-radius: 100px;
}
.work-card-design__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.45;
}
.work-card-design__desc {
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-top: 2px;
}

/* サイトカード（デザインカードと共通スタイルを継承） */
.work-card-site {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.work-card-site:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }

.work-card-site__img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 4.5;
}
.work-card-site__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.work-card-site:hover .work-card-site__img img { transform: scale(1.04); }

.work-card-site__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 55%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 14px 16px;
  opacity: 0;
  transition: opacity 0.3s;
  cursor: pointer;
}
.work-card-site:hover .work-card-site__overlay { opacity: 1; }
.work-card-site__zoom-icon {
  color: var(--white);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.work-card-site__cat {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  background: #2563eb;
  padding: 3px 10px;
  border-radius: 100px;
}

.work-card-site__body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.work-card-site__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.work-card-site__tags span {
  font-size: 0.68rem;
  font-weight: 600;
  color: #1d4ed8;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.18);
  padding: 2px 9px;
  border-radius: 100px;
}
.work-card-site__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.45;
}
.work-card-site__desc {
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-top: 2px;
}

/* サイトグリッドは3列（7枚なので3+2+2の配置） */
.works__grid--site {
  grid-template-columns: repeat(3, 1fr);
}

/* =========================================
   TESTIMONIALS
   ========================================= */
.testimonials { background: var(--black); }
.testimonials .section__label { color: var(--gold); }
.testimonials .section__title { color: var(--white); }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testimonial {
  background: var(--black-2);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  position: relative;
  transition: border-color var(--transition);
}
.testimonial:hover { border-color: rgba(184,154,96,0.25); }
.testimonial__quote {
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.4;
  margin-bottom: 16px;
}
.testimonial__text {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
  margin-bottom: 28px;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}
.testimonial__avatar--1 { background: linear-gradient(135deg, #3a4a6a, #5a6a9a); color: rgba(255,255,255,0.85); }
.testimonial__avatar--2 { background: linear-gradient(135deg, #4a3a3a, #7a5a5a); color: rgba(255,255,255,0.85); }
.testimonial__avatar--3 { background: linear-gradient(135deg, #3a5a3a, #5a8a5a); color: rgba(255,255,255,0.85); }
.testimonial__name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 2px;
}
.testimonial__role {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  font-family: var(--font-en);
}

/* =========================================
   FLOW
   ========================================= */
.flow { background: var(--off-white); }
.flow__timeline {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.flow__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
}
.flow__item-left { display: flex; flex-direction: column; align-items: center; }
.flow__item-num {
  width: 56px;
  height: 56px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.flow__item-line {
  width: 1px;
  flex: 1;
  min-height: 60px;
  background: linear-gradient(to bottom, var(--gray-200), var(--gray-100));
  margin-top: 8px;
}
.flow__item-line--last { background: transparent; }
.flow__item-right {
  padding: 4px 0 40px;
  border-bottom: 1.5px dashed var(--gray-200);
  margin-bottom: 40px;
}
.flow__item:last-child .flow__item-right {
  border-bottom: none;
  margin-bottom: 0;
}
.flow__item-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.flow__item-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.flow__item-duration {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--gold);
  background: rgba(184,154,96,0.1);
  border: 1px solid rgba(184,154,96,0.2);
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
}
.flow__item-desc {
  font-size: 0.85rem;
  color: var(--gray-600);
  line-height: 1.85;
  margin-bottom: 16px;
}
.flow__item-points {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.flow__item-points li {
  font-size: 0.8rem;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}
.flow__item-points li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* =========================================
   CTA BAND
   ========================================= */
.cta-band {
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(184,154,96,0.08) 0%, transparent 70%);
}
.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  z-index: 1;
}
.cta-band__label {
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.cta-band__title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.025em;
  line-height: 1.3;
}
.cta-band__actions { flex-shrink: 0; text-align: center; }
.cta-band__note {
  margin-top: 12px;
  font-size: 0.72rem;
  color: rgba(255,255,255,1);
  font-family: var(--font-en);
}

/* =========================================
   CONTACT
   ========================================= */
.contact { background: var(--white); }
.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
.contact__info .section__label { display: block; text-align: left; margin-bottom: 14px; }
.contact__info .section__label::before,
.contact__info .section__label::after { display: none; }
.contact__info .section__title { text-align: left; margin-bottom: 20px; }
.contact__desc {
  font-size: 0.87rem;
  color: var(--gray-600);
  line-height: 1.9;
  margin-bottom: 36px;
}
.contact__features { display: flex; flex-direction: column; gap: 14px; }
.contact__feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--gray-800);
  font-weight: 500;
}

/* Form */
.contact__form-wrap {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  box-shadow: var(--shadow-sm);
}
.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: 0.78rem;
  font-weight: 600;
  color: var(--gray-800);
  letter-spacing: 0.02em;
}
.required { color: #c94040; margin-left: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: var(--black);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select {
  appearance: none;
  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 fill='%239a9a94' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.form-group--checkbox { flex-direction: row; align-items: center; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--gray-200);
  border-radius: 4px;
  flex-shrink: 0;
  background: var(--white);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.checkbox-label input:checked + .checkbox-custom {
  background: var(--black);
  border-color: var(--black);
}
.checkbox-label input:checked + .checkbox-custom::after {
  content: '';
  width: 5px;
  height: 9px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
}
.checkbox-text { font-size: 0.8rem; color: var(--gray-600); }
.link { color: var(--black); text-decoration: underline; }

.contact-btn { position: relative; overflow: hidden; margin-top: 8px; }
.contact-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.06) 100%);
}

.contact-success {
  display: none;
  text-align: center;
  padding: 56px 32px;
}
.contact-success.show { display: block; }
.contact-success__icon { display: flex; justify-content: center; margin-bottom: 20px; }
.contact-success h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.contact-success p {
  font-size: 0.87rem;
  color: var(--gray-600);
  line-height: 1.9;
}

/* =========================================
   FOOTER
   ========================================= */
.footer { background: var(--black); }
.footer__top {
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer__top-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  padding-block: 72px;
}
.footer__logo {
  height: 28px;
  filter: invert(1) brightness(2);
  margin-bottom: 16px;
}
.footer__tagline {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  margin-bottom: 10px;
  line-height: 1.7;
}
.footer__address {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.2);
  font-family: var(--font-en);
}
.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer__links-heading {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 20px;
}
.footer__links ul { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 22px;
}
.footer__copy {
  font-family: var(--font-en);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.05em;
}
.footer__legal { display: flex; gap: 24px; }
.footer__legal a {
  font-family: var(--font-en);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.2);
  transition: color var(--transition);
}
.footer__legal a:hover { color: rgba(255,255,255,0.5); }

/* =========================================
   RESPONSIVE — Tablet (≤1024px)
   ========================================= */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .about__layout { grid-template-columns: 1fr; gap: 48px; align-items: center; }
  .about__right  { max-width: 560px; margin-inline: auto; }
  .about__stat-grid { grid-template-columns: repeat(4, 1fr); }
  .works__grid   { grid-template-columns: 1fr; max-width: 600px; margin-inline: auto; }
  .works__grid--design,
  .works__grid--site { grid-template-columns: 1fr; max-width: 600px; margin-inline: auto; }
  .testimonials__grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .contact__layout { grid-template-columns: 1fr; gap: 48px; }
  .footer__top-inner { grid-template-columns: 1fr; gap: 40px; }
}


/* =========================================
   RESPONSIVE — Mobile (≤768px)
   ========================================= */
@media (max-width: 768px) {
  .pc-only { display: none; }
  .section { padding: 80px 0; }
  .ticker  { display: none; }
  .header  { top: 0; }
  .header__inner { height: 60px; }
  .header__logo img { height: 26px; margin-top: 13px; }

  /* nav */
  .nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(8,8,8,0.97);
    backdrop-filter: blur(20px);
    padding: 20px 24px 32px;
    transform: translateY(-110%);
    transition: transform var(--transition);
    z-index: 999;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav.open { transform: translateY(0); }
  .nav__list { flex-direction: column; gap: 4px; align-items: stretch; }
  .nav__link {
    display: block;
    padding: 13px 16px;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.8);
  }
  .nav__link:hover { background: rgba(255,255,255,0.06); }
  .nav__link::after { display: none; }
  .nav__link--cta { border-color: rgba(255,255,255,0.25); text-align: center; margin-top: 8px; }
  .hamburger { display: flex; }

  /* hero */
  .hero { padding-top: 60px; }
  .hero__metrics { flex-direction: column; gap: 0; width: 100%; padding: 20px; }
  .hero__metric  { padding: 12px 0; }
  .hero__metric-divider { width: 100%; height: 1px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; justify-content: center; }

  /* about */
  .about__layout { align-items: center; }
  .about__stat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 32px; }
  .about__stat-card { padding: 20px 12px; }
  .stat__label { white-space: normal; }

  /* services */
  .services__featured { grid-template-columns: 1fr; }
  .services__grid     { grid-template-columns: 1fr; }

  /* strength */
  .strength__grid { grid-template-columns: 1fr; }
  .strength-item  { border-right: none !important; border-bottom: 1px solid var(--gray-100) !important; }
  .strength-item:last-child { border-bottom: none !important; }

  /* works */
  .works__grid { max-width: none; }
  .works__grid--design,
  .works__grid--site { grid-template-columns: 1fr; }

  /* works tabs — モバイルで画面幅にフィット */
  .works__tabs {
    gap: 2px;
  }
  .works__tab {
    flex: 1;
    justify-content: center;
    padding: 4px 16px 5px 8px;
    font-size: 0.72rem;
    gap: 4px;
    white-space: normal;
    text-align: center;
    clip-path: polygon(0% 0%, calc(100% - 14px) 0%, 100% 100%, 0% 100%);
    min-height: 26px;
  }
  .works__tab svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
  }
  .works__tab::before {
    right: 0;
    left: auto;
    width: 16px;
    clip-path: polygon(0% 0%, 1.5px 0%, 100% 100%, calc(100% - 1.5px) 100%);
  }

  /* testimonials */
  .testimonials__grid { max-width: none; }

  /* flow */
  .flow__item { grid-template-columns: 56px 1fr; gap: 16px; }
  .flow__item-right { padding-bottom: 28px; margin-bottom: 28px; }
  .flow__item-header { flex-direction: column; align-items: flex-start; gap: 8px; }

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

  /* contact */
  .contact__layout { gap: 32px; }
  .contact__form-wrap { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }

  /* footer */
  .footer__top-inner { gap: 40px; padding-block: 48px; }
  .footer__links { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__bottom-inner { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .footer__links { grid-template-columns: 1fr; }
  .hero__title { font-size: 2.2rem; }
}

/* =========================================
   EARTH-COLOR IMAGES
   ========================================= */

/* --- Hero image (right-side overlay) --- */
.hero__image {
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.22;
  /* warm earth blending on dark hero */
  mix-blend-mode: luminosity;
  filter: sepia(30%) brightness(0.75);
  transition-delay: 0.6s;
}
/* vignette over image */
.hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right,  var(--black) 0%, transparent 35%),
    linear-gradient(to bottom, rgba(8,8,8,0.4) 0%, transparent 30%),
    linear-gradient(to top,    rgba(8,8,8,0.6) 0%, transparent 40%);
}

/* --- About photo --- */
.about__photo {
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 20px;
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.about__photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(15%) saturate(0.85) brightness(0.95);
  transition: transform 0.6s var(--ease);
}
.about__photo:hover .about__photo-img {
  transform: scale(1.03);
}
/* subtle gold border top */
.about__photo::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  z-index: 1;
}

/* --- Earth band (3-image strip) --- */
.earth-band {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  height: 260px;
  overflow: hidden;
  gap: 3px;
}
.earth-band__img {
  overflow: hidden;
  position: relative;
}
.earth-band__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: sepia(20%) saturate(0.8) brightness(0.9);
  transition: transform 0.7s var(--ease), filter 0.7s var(--ease);
}
.earth-band__img:hover img {
  transform: scale(1.05);
  filter: sepia(10%) saturate(0.95) brightness(1.0);
}
/* overlay tint per panel */
.earth-band__img::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.earth-band__img--1::after { background: rgba(90,60,30, 0.15); }
.earth-band__img--2::after { background: rgba(60,75,50, 0.12); }
.earth-band__img--3::after { background: rgba(20,20,20, 0.25); }

/* responsive */
@media (max-width: 768px) {
  .hero__image { display: none; }
  .earth-band { grid-template-columns: 1fr 1fr; height: 200px; }
  .earth-band__img--3 { display: none; }
  .about__photo { aspect-ratio: 4 / 3; }
}
@media (max-width: 480px) {
  .earth-band { grid-template-columns: 1fr; height: 200px; }
  .earth-band__img--2 { display: none; }
}

/* ========== LIGHTBOX ========== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  cursor: zoom-out;
}
.lightbox__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: min(92vw, 1100px);
  max-height: 92vh;
  transform: scale(0.92);
  transition: transform 0.35s var(--ease);
}
.lightbox.is-open .lightbox__content {
  transform: scale(1);
}
.lightbox__picture {
  display: block;
  max-width: 100%;
  max-height: 85vh;
}
.lightbox__img {
  display: block;
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.lightbox__caption {
  margin-top: 14px;
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-align: center;
}
.lightbox__close {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 2;
  background: rgba(255,255,255,0.12);
  border: none;
  color: var(--white);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
  backdrop-filter: blur(6px);
}
.lightbox__close:hover { background: rgba(255,255,255,0.22); }

/* lightbox-trigger カーソル */
.lightbox-trigger { cursor: zoom-in; }