:root {
  --white: #FFFFFF;
  --off-white: #F5F5F5;
  --silver: #E8E8E8;
  --light-gray: #D0D0D0;
  --mid-gray: #999999;
  --dark-gray: #444444;
  --black: #1A1A1A;
  --teal: #00A896;
  --teal-dark: #007A6E;
  --teal-light: #E6F7F5;
  --accent: #B8860B;
  --nav-h: 72px;
}

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

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--white);
  color: var(--black);
  overflow-x: hidden;
}

/* ─── INTRO OVERLAY ─── */
#intro {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease 2.6s, visibility 0.6s ease 2.6s;
}
#intro.done { opacity: 0; visibility: hidden; pointer-events: none; }

#intro-logo { display: flex; flex-direction: column; align-items: center; gap: 4px; }

.intro-logo-wrap {
  width: 360px; height: 185px;
  overflow: hidden;
  position: relative;
  animation: symFade 1.0s ease forwards;
  opacity: 0;
}
.intro-logo-svg {
  width: 360px;
  position: absolute;
  top: -40px;
}
.intro-bar {
  width: 0; height: 2px;
  background: var(--teal);
  animation: barExpand 0.5s ease 1.2s forwards;
}
.intro-tagline {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.7rem; letter-spacing: 0.35em;
  color: var(--mid-gray); text-transform: uppercase;
  animation: wordFade 0.6s ease 1.6s forwards;
  opacity: 0;
}

@keyframes symFade { to { opacity: 1; transform: none; } from { opacity: 0; transform: scale(0.88); } }
@keyframes wordFade { to { opacity: 1; } }
@keyframes barExpand { to { width: 300px; } }

/* ─── NAV ─── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--silver);
  display: flex; align-items: center;
  padding: 0 48px;
  transition: box-shadow 0.3s;
}
#nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

.nav-logo {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.velx-logo-h {
  height: 28px; width: auto;
  display: block;
}
.velx-logo-symbol {
  height: 32px; width: auto;
  display: block;
}
.nav-logo-sub {
  font-size: 0.6rem; color: var(--mid-gray);
  letter-spacing: 0.08em;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400; white-space: nowrap;
  margin-top: 4px;
}

.nav-links {
  display: flex; align-items: center;
  gap: 32px; margin-left: auto;
  list-style: none;
}
.nav-links a {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--dark-gray); text-decoration: none;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--teal);
  transition: width 0.25s;
}
.nav-links a:hover { color: var(--teal); }
.nav-links a:hover::after { width: 100%; }

.nav-contact-btn {
  background: var(--teal) !important;
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 2px;
  transition: background 0.2s !important;
  letter-spacing: 0.1em !important;
}
.nav-contact-btn:hover { background: var(--teal-dark) !important; color: var(--white) !important; }
.nav-contact-btn::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; margin-left: auto;
  background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--black); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--silver);
  padding: 24px 32px;
  z-index: 999;
  flex-direction: column; gap: 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.9rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--dark-gray); text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--silver);
  transition: color 0.2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--teal); }

/* ─── HERO ─── */
#hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  position: relative;
}

.hero-left {
  display: flex; flex-direction: column; justify-content: center;
  padding: 80px 64px 80px 80px;
  background: var(--white);
  position: relative; z-index: 1;
}

.hero-eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem; letter-spacing: 0.35em;
  color: var(--teal); text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0; animation: fadeUp 0.8s ease 0.3s forwards;
}
.hero-h1 {
  font-family: 'Josefin Sans', sans-serif;
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 700; line-height: 1.15;
  letter-spacing: 0.03em;
  color: var(--black);
  opacity: 0; animation: fadeUp 0.8s ease 0.5s forwards;
}
.hero-h1 em {
  font-style: normal; color: var(--teal);
  display: block;
}
.hero-sub {
  margin-top: 24px;
  font-size: 0.95rem; line-height: 1.85;
  color: var(--dark-gray);
  max-width: 440px;
  opacity: 0; animation: fadeUp 0.8s ease 0.7s forwards;
}
.hero-features {
  margin-top: 36px; display: flex; flex-direction: column; gap: 10px;
  opacity: 0; animation: fadeUp 0.8s ease 0.9s forwards;
}
.hero-feat {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.85rem; color: var(--dark-gray);
}
.hero-feat::before {
  content: ''; width: 6px; height: 6px;
  background: var(--teal); border-radius: 50%; flex-shrink: 0;
}
.hero-btns {
  margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap;
  opacity: 0; animation: fadeUp 0.8s ease 1.1s forwards;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal); color: var(--white);
  padding: 14px 28px; border-radius: 2px;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-1px); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--light-gray); color: var(--dark-gray);
  padding: 14px 28px; border-radius: 2px;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.15em;
  text-transform: uppercase; text-decoration: none;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-1px); }

.hero-right {
  position: relative; overflow: hidden;
  background: var(--off-white);
}
.hero-right-logo {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 75%;
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
}
.hero-right-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,168,150,0.08) 0%, transparent 60%);
}
.hero-badge {
  position: absolute; bottom: 40px; right: 40px;
  background: var(--white);
  padding: 16px 20px;
  border-left: 3px solid var(--teal);
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
  opacity: 0; animation: fadeUp 0.8s ease 1.2s forwards;
}
.hero-badge-num {
  font-family: 'Space Mono', monospace;
  font-size: 1.8rem; font-weight: 700; color: var(--teal);
  line-height: 1;
}
.hero-badge-label {
  font-size: 0.7rem; color: var(--mid-gray);
  margin-top: 4px; letter-spacing: 0.05em;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes imgFade { to { opacity: 1; } }

/* ─── SECTION COMMONS ─── */
section { padding: 96px 80px; }

.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.4em;
  color: var(--teal); text-transform: uppercase;
  margin-bottom: 12px;
}
.section-h2 {
  font-family: 'Josefin Sans', sans-serif;
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 700; letter-spacing: 0.04em;
  color: var(--black); line-height: 1.2;
}
.section-lead {
  margin-top: 16px; max-width: 620px;
  font-size: 0.95rem; line-height: 1.85;
  color: var(--dark-gray);
}
.section-divider {
  width: 40px; height: 2px;
  background: var(--teal);
  margin: 16px 0;
}

/* reveal animation */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ─── FEATURES ─── */
#features { background: var(--white); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 56px;
  border: 1px solid var(--silver);
}
.feat-card {
  padding: 40px 36px;
  background: var(--white);
  border: 1px solid var(--silver);
  transition: box-shadow 0.25s, transform 0.25s;
  cursor: default;
}
.feat-card:hover {
  box-shadow: 0 8px 32px rgba(0,168,150,0.08);
  transform: translateY(-2px);
  z-index: 1; position: relative;
}
.feat-icon {
  width: 48px; height: 48px;
  margin-bottom: 24px;
  color: var(--teal);
}
.feat-num {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem; letter-spacing: 0.3em;
  color: var(--light-gray); margin-bottom: 12px;
}
.feat-title {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 1.05rem; font-weight: 700;
  letter-spacing: 0.06em; color: var(--black);
  margin-bottom: 12px;
}
.feat-body {
  font-size: 0.93rem; line-height: 1.85; color: var(--dark-gray);
}

/* ─── PRINCIPLE ─── */
#principle {
  background: var(--black);
  color: var(--white);
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  align-items: center;
}
#principle .section-label { color: var(--teal); }
#principle .section-h2 { color: var(--white); }
#principle .section-lead { color: rgba(255,255,255,0.65); }

.principle-img {
  width: 100%; border-radius: 2px;
  opacity: 0.9;
}

.principle-points {
  margin-top: 40px;
  display: flex; flex-direction: column; gap: 0;
}
.p-point {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.p-point:last-child { border-bottom: none; }
.p-num {
  font-family: 'Space Mono', monospace;
  font-size: 1.1rem; font-weight: 700;
  color: var(--teal); flex-shrink: 0; line-height: 1;
  margin-top: 2px;
}
.p-text-head {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.98rem; font-weight: 600;
  letter-spacing: 0.06em; color: var(--white);
  margin-bottom: 4px;
}
.p-text-body {
  font-size: 0.92rem; line-height: 1.8;
  color: rgba(255,255,255,0.55);
}

/* ─── PRODUCTS ─── */
#products { background: var(--off-white); }

.products-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: start; margin-bottom: 60px;
}

.product-series {
  margin-top: 48px;
}
.series-header {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--teal);
}
.series-icon {
  width: 40px; height: 40px;
  background: var(--teal);
  display: flex; align-items: center; justify-content: center;
  border-radius: 2px; flex-shrink: 0;
}
.series-icon svg { color: white; }
.series-name {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 1.15rem; font-weight: 700;
  letter-spacing: 0.1em; color: var(--black);
}
.series-desc {
  font-size: 0.9rem; color: var(--mid-gray);
  margin-top: 2px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.model-card {
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: 2px;
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}
.model-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}
.model-img {
  width: 100%; aspect-ratio: 4/3;
  object-fit: contain; object-position: center;
  background: var(--off-white);
  padding: 12px;
}
.model-info { padding: 16px; }
.model-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.3rem; font-weight: 700; letter-spacing: 0.02em;
  color: var(--black); margin-bottom: 6px;
}
.model-tag {
  display: inline-block;
  background: var(--teal-light); color: var(--teal-dark);
  font-size: 0.78rem; padding: 2px 8px;
  border-radius: 1px; letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.model-specs { list-style: none; }
.model-specs li {
  display: flex; justify-content: space-between;
  font-size: 0.95rem; color: var(--dark-gray);
  padding: 6px 0; border-bottom: 1px solid var(--silver);
}
.model-specs li:last-child { border-bottom: none; }
.model-specs .spec-val {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.88rem; font-weight: 500; color: var(--black);
}

/* ─── INSPECTION ─── */
#inspection {
  background: var(--white);
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  align-items: center;
}

.insp-steps {
  margin-top: 36px;
  display: flex; flex-direction: column; gap: 0;
  counter-reset: steps;
}
.insp-step {
  display: flex; gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--silver);
  counter-increment: steps;
}
.insp-step:last-child { border-bottom: none; }
.insp-step-num {
  font-family: 'Space Mono', monospace;
  font-size: 1.2rem; font-weight: 700;
  color: var(--teal); flex-shrink: 0;
  min-width: 32px; line-height: 1; margin-top: 2px;
}
.insp-step-title {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.04em; color: var(--black);
  margin-bottom: 6px;
}
.insp-step-body {
  font-size: 0.92rem; line-height: 1.8; color: var(--dark-gray);
}

.insp-visual {
  background: var(--off-white);
  padding: 40px;
  border: 1px solid var(--silver);
  border-radius: 2px;
}
.crack-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.crack-table th {
  background: var(--black); color: var(--white);
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.75rem; letter-spacing: 0.1em;
  padding: 10px 14px; text-align: left;
}
.crack-table td {
  padding: 12px 14px;
  font-size: 0.9rem; color: var(--dark-gray);
  border-bottom: 1px solid var(--silver);
  vertical-align: top;
}
.crack-table tr:nth-child(even) td { background: var(--white); }
.crack-table .risk-high { color: #c0392b; font-weight: 700; }
.crack-table .risk-low { color: var(--teal); font-weight: 700; }

/* ─── SELECTION ─── */
#selection { background: var(--off-white); }

.selection-flow {
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; position: relative;
}
.selection-flow::before {
  content: ''; position: absolute;
  top: 36px; left: 12.5%; right: 12.5%;
  height: 2px; background: var(--light-gray);
}
.sel-step {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; padding: 0 16px; position: relative;
}
.sel-step-circle {
  width: 72px; height: 72px;
  background: var(--white); border: 2px solid var(--teal);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; position: relative; z-index: 1;
}
.sel-step-circle svg { color: var(--teal); }
.sel-step-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.2em;
  color: var(--mid-gray); margin-bottom: 8px;
}
.sel-step-title {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.98rem; font-weight: 700;
  color: var(--black); letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.sel-step-body {
  font-size: 0.88rem; line-height: 1.75; color: var(--dark-gray);
}

.selection-note {
  margin-top: 48px;
  background: var(--teal-light);
  border-left: 3px solid var(--teal);
  padding: 20px 24px;
  border-radius: 0 2px 2px 0;
}
.selection-note p {
  font-size: 0.88rem; line-height: 1.8; color: var(--teal-dark);
}
.selection-note strong {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 700; letter-spacing: 0.05em;
}

/* ─── ABOUT ─── */
#about { background: var(--white); }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  margin-top: 48px; align-items: start;
}

.company-table {
  width: 100%; border-collapse: collapse;
}
.company-table tr {
  border-bottom: 1px solid var(--silver);
}
.company-table th {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--mid-gray); text-transform: uppercase;
  padding: 14px 0; text-align: left;
  width: 38%; vertical-align: top;
}
.company-table td {
  font-size: 0.95rem; color: var(--dark-gray);
  padding: 14px 0; line-height: 1.7;
}

.about-right { display: flex; flex-direction: column; gap: 24px; }

.about-msg {
  background: var(--off-white); padding: 32px;
  border-radius: 2px;
}
.about-msg p {
  font-size: 0.9rem; line-height: 1.9; color: var(--dark-gray);
}
.about-msg .msg-name {
  margin-top: 20px;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.8rem; letter-spacing: 0.08em;
  color: var(--black); font-weight: 700;
}
.about-msg .msg-title {
  font-size: 0.72rem; color: var(--mid-gray);
}

/* ─── CONTACT ─── */
#contact {
  background: var(--black); color: var(--white);
}
#contact .section-label { color: var(--teal); }
#contact .section-h2 { color: var(--white); }
#contact .section-lead { color: rgba(255,255,255,0.6); }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  margin-top: 56px; align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 32px; }

.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
}
.contact-item-icon {
  width: 40px; height: 40px;
  background: rgba(0,168,150,0.15);
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--teal);
}
.contact-item-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.2em;
  color: rgba(255,255,255,0.4); margin-bottom: 4px;
}
.contact-item-value {
  font-size: 0.95rem; color: var(--white);
  line-height: 1.5;
}
.contact-item-value a {
  color: var(--teal); text-decoration: none;
}
.contact-item-value a:hover { text-decoration: underline; }

.hours-note {
  font-size: 0.75rem; color: rgba(255,255,255,0.35);
  margin-top: 20px; line-height: 1.7;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.2em;
  color: rgba(255,255,255,0.5);
}
.form-label .req {
  color: var(--teal); margin-left: 4px;
}
.form-input, .form-textarea, .form-select {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white); padding: 12px 16px;
  border-radius: 2px; font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.88rem;
  transition: border-color 0.2s, background 0.2s;
  width: 100%;
}
.form-input::placeholder, .form-textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--teal);
  background: rgba(0,168,150,0.06);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-select { appearance: none; cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-submit {
  background: var(--teal); color: var(--white);
  border: none; padding: 14px 32px;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s, transform 0.2s;
  margin-top: 8px;
  align-self: flex-start;
}
.form-submit:hover { background: var(--teal-dark); transform: translateY(-1px); }

.form-note {
  font-size: 0.72rem; color: rgba(255,255,255,0.3);
  line-height: 1.6;
}

/* ─── FOOTER ─── */
footer {
  background: #111;
  padding: 48px 80px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; margin-bottom: 40px;
}
.footer-brand .nav-logo-text { color: var(--white); font-size: 1.2rem; }
.footer-brand .nav-logo-sub { color: rgba(255,255,255,0.4); }
.footer-tagline {
  font-size: 0.8rem; line-height: 1.7;
  color: rgba(255,255,255,0.35); margin-top: 16px;
  max-width: 280px;
}

.footer-col-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.3em;
  color: var(--teal); text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.82rem; color: rgba(255,255,255,0.4);
  text-decoration: none; transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-copy {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem; color: rgba(255,255,255,0.2);
  letter-spacing: 0.1em;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  section { padding: 72px 40px; }
  #hero { grid-template-columns: 1fr; }
  .hero-right { height: 50vw; max-height: 400px; }
  .hero-left { padding: 60px 40px; }
  #principle { grid-template-columns: 1fr; }
  #inspection { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .selection-flow { grid-template-columns: 1fr 1fr; }
  .selection-flow::before { display: none; }
  .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  #nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  section { padding: 56px 20px; }
  .hero-left { padding: 48px 20px; }
  .products-intro { grid-template-columns: 1fr; gap: 32px; }
  .model-grid { grid-template-columns: 1fr 1fr; }
  .selection-flow { grid-template-columns: 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
  footer { padding: 40px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .model-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
}

/* ===== multi-page additions ===== */
:root { --silver-light: #ECECEC; --silver-dark: #767676; }
.nav-links li.dd { position: relative; }
.nav-links li.dd > a::after { content: " ▾"; font-size: 0.7em; }
.dd-menu { position: absolute; top: 100%; left: -8px; background: rgba(17,17,17,0.97); backdrop-filter: blur(8px); min-width: 240px; display: none; flex-direction: column; padding: 8px 0; border: 1px solid rgba(255,255,255,0.08); }
.nav-links li.dd:hover .dd-menu { display: flex; }
.dd-menu a { display: block; padding: 11px 18px; font-size: 14px; color: #E8E8E8; }
.dd-menu a:hover { color: var(--teal); background: rgba(255,255,255,0.06); }
.page-pad { padding-top: 92px; }
.dwg-grid { display: grid; grid-template-columns: 1fr; gap: 28px; margin-top: 28px; }
.dwg-card { background: #fff; border: 1px solid var(--silver-light); padding: 18px; }
.dwg-card img { width: 100%; height: auto; display: block; }
.dwg-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin: -18px -18px 16px; padding: 12px 18px; background: var(--off-white); border-bottom: 1px solid var(--silver-light); }
.dwg-model { font-family: 'Noto Sans JP', sans-serif; font-size: 1.25rem; font-weight: 700; color: var(--black); letter-spacing: 0.02em; }
.dwg-note { font-size: 0.85rem; color: var(--mid-gray); }
.imgcap { font-size: 0.88rem; color: var(--dark-gray); text-align: center; margin-top: 10px; }
.subh { font-family: 'Noto Sans JP', sans-serif; font-size: 1.2rem; font-weight: 700; letter-spacing: 0.06em; color: var(--black); margin: 48px 0 16px; padding-left: 12px; border-left: 3px solid var(--teal); }
table.stbl { border-collapse: collapse; width: 100%; font-size: 0.95rem; background: #fff; }
table.stbl th, table.stbl td { border: 1px solid var(--silver-light); padding: 9px 12px; text-align: left; line-height: 1.6; }
table.stbl th { background: var(--silver-light); font-weight: 500; white-space: nowrap; }
.note-box { margin-top: 20px; padding: 16px 20px; background: var(--teal-light); border-left: 2px solid var(--teal); font-size: 0.9rem; color: var(--dark-gray); line-height: 1.8; }
.warn-box { margin-top: 20px; padding: 16px 20px; background: rgba(255,160,0,0.08); border-left: 2px solid #c0a000; font-size: 0.9rem; color: var(--dark-gray); line-height: 1.8; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 36px; }
.cat-card { background: #fff; border: 1px solid var(--silver-light); text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: box-shadow 0.25s, transform 0.25s; }
.cat-card:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.09); transform: translateY(-3px); }
.cat-card img { width: 100%; aspect-ratio: 4/3; object-fit: contain; background: var(--off-white); padding: 14px; box-sizing: border-box; }
.cat-body { padding: 18px 20px 22px; }
.cat-name { font-weight: 700; font-size: 1.15rem; color: var(--black); margin-bottom: 6px; }
.cat-desc { font-size: 0.9rem; color: var(--dark-gray); line-height: 1.75; }
.cat-more { margin-top: 10px; font-size: 0.86rem; color: var(--teal); font-weight: 500; }
.link-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 32px; }
.link-tile { background: var(--black); color: #f0f0f0; padding: 26px 26px; text-decoration: none; transition: background 0.25s; }
.link-tile:hover { background: #262626; }
.link-tile .lt-en { font-family: 'Josefin Sans', sans-serif; font-size: 0.7rem; letter-spacing: 0.18em; color: var(--teal); }
.link-tile .lt-ja { font-size: 1.02rem; font-weight: 700; margin-top: 6px; }
.link-tile .lt-desc { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-top: 8px; line-height: 1.7; }
.img-limit { display: block; margin: 0 auto; height: auto; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; } }
.crk-p { font-size: 0.95rem; line-height: 1.9; color: var(--dark-gray); max-width: 920px; }
.crumbs { font-size: 0.82rem; color: var(--silver-dark); margin-bottom: 26px; }
.crumbs a { color: var(--silver-dark); text-decoration: none; }
.crumbs a:hover { color: var(--teal); }

/* 画像の保存・ドラッグ抑止（2026-09-07） */
img, svg { -webkit-user-drag: none; user-drag: none; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.dwg-card img { pointer-events: none; }
.footer-notice { font-size: 0.72rem; color: rgba(255,255,255,0.35); margin-top: 8px; line-height: 1.7; }

/* ご購入者様専用ページ（2026-09-09） */
.gate-box { max-width: 560px; margin-top: 32px; background: #fff; border: 1px solid var(--silver-light); padding: 28px 28px 20px; }
.gate-label { display: block; font-size: 0.85rem; color: var(--dark-gray); margin-bottom: 8px; }
.gate-row { display: flex; gap: 10px; flex-wrap: wrap; }
.gate-input { flex: 1 1 220px; font-size: 1.05rem; padding: 12px 14px; border: 1px solid var(--light-gray); border-radius: 2px; font-family: 'Noto Sans JP', sans-serif; }
.gate-input:focus { outline: none; border-color: var(--teal); }
.gate-msg { min-height: 1.4em; margin-top: 10px; font-size: 0.9rem; color: #c62828; }
.gate-note { margin-top: 12px; font-size: 0.8rem; color: var(--mid-gray); line-height: 1.7; }
.video-frame { position: relative; width: 100%; aspect-ratio: 16/9; background: #111; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-pending { display: flex; align-items: center; justify-content: center; color: #bbb; font-size: 1.1rem; letter-spacing: 0.1em; background: #2a2a2a; }

/* ===== デモ機・中古機販売（used.html） 2026-09-21 ===== */
.used-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 20px; }
.used-step { background: #fff; border: 1px solid var(--silver-light); padding: 18px 18px 16px; position: relative; }
.used-step .n { font-family: 'Josefin Sans', sans-serif; font-size: 1.6rem; font-weight: 700; color: var(--teal); line-height: 1; margin-bottom: 8px; }
.used-step .t { font-family: 'Noto Sans JP', sans-serif; font-weight: 700; font-size: 0.98rem; color: var(--black); margin-bottom: 6px; }
.used-step .d { font-size: 0.86rem; line-height: 1.75; color: var(--dark-gray); }
.used-terms { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0; border: 1px solid var(--silver-light); background: #fff; margin-top: 20px; }
.used-terms > div { padding: 14px 18px; border-bottom: 1px solid var(--silver-light); border-right: 1px solid var(--silver-light); font-size: 0.88rem; line-height: 1.75; color: var(--dark-gray); }
.used-terms > div b { display: block; font-family: 'Noto Sans JP', sans-serif; color: var(--black); font-size: 0.84rem; margin-bottom: 2px; }
.used-count { font-size: 0.9rem; color: var(--mid-gray); margin: 40px 0 14px; }
.used-empty { background: #fff; border: 1px dashed var(--silver-dark); padding: 40px 20px; text-align: center; color: var(--dark-gray); font-size: 0.95rem; line-height: 1.9; }
.used-list { display: flex; flex-direction: column; gap: 32px; }
.used-item { background: #fff; border: 1px solid var(--silver-light); display: grid; grid-template-columns: minmax(0, 46%) minmax(0, 1fr); gap: 0; }
.used-item.sold { opacity: 0.6; }
.used-photos { padding: 18px; border-right: 1px solid var(--silver-light); background: var(--off-white); }
.used-main { position: relative; background: #fff; border: 1px solid var(--silver-light); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; overflow: hidden; cursor: zoom-in; }
.used-main img { max-width: 100%; max-height: 100%; object-fit: contain; }
.used-main .nophoto { color: var(--mid-gray); font-size: 0.85rem; letter-spacing: 0.1em; }
.used-thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.used-thumbs img { width: 68px; height: 52px; object-fit: cover; border: 2px solid transparent; background: #fff; cursor: pointer; }
.used-thumbs img.on { border-color: var(--teal); }
.used-body { padding: 22px 26px 24px; min-width: 0; }
.used-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 6px; }
.used-status { font-family: 'Noto Sans JP', sans-serif; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; padding: 3px 10px; border-radius: 2px; color: #fff; background: var(--teal); }
.used-status.talk { background: #c08a00; }
.used-status.sold { background: var(--mid-gray); }
.used-id { font-family: 'Space Mono', monospace; font-size: 1.05rem; font-weight: 700; color: var(--black); letter-spacing: 0.06em; }
.used-kind { font-size: 0.86rem; color: var(--dark-gray); }
.used-title { font-family: 'Noto Sans JP', sans-serif; font-size: 1.45rem; font-weight: 700; color: var(--black); letter-spacing: 0.02em; line-height: 1.3; }
.used-series { font-size: 0.86rem; color: var(--dark-gray); margin-top: 4px; }
.used-series a { color: var(--teal); }
.used-price { margin: 14px 0 6px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.used-price .lab { font-size: 0.8rem; color: var(--mid-gray); letter-spacing: 0.1em; }
.used-price .val { font-family: 'Josefin Sans', sans-serif; font-size: 1.7rem; font-weight: 700; color: var(--teal-dark); letter-spacing: 0.06em; line-height: 1; }
.used-price .val.num { font-family: 'Noto Sans JP', sans-serif; }
.used-price .sub { font-size: 0.8rem; color: var(--dark-gray); }
.used-cond { margin-top: 14px; padding: 12px 14px; background: var(--off-white); border-left: 3px solid var(--teal); }
.used-cond .cl { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.used-cond .cl b { font-family: 'Noto Sans JP', sans-serif; font-size: 0.98rem; color: var(--black); }
.used-meter { display: inline-flex; gap: 3px; }
.used-meter i { display: block; width: 18px; height: 8px; background: var(--silver); border-radius: 1px; }
.used-meter i.on { background: var(--teal); }
.used-cond .cn { font-size: 0.86rem; line-height: 1.75; color: var(--dark-gray); margin-top: 6px; }
.used-tbl { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 0.86rem; }
.used-tbl th, .used-tbl td { padding: 8px 10px; border-bottom: 1px solid var(--silver-light); text-align: left; vertical-align: top; line-height: 1.7; }
.used-tbl th { width: 30%; font-family: 'Noto Sans JP', sans-serif; font-weight: 500; color: var(--dark-gray); background: var(--off-white); white-space: nowrap; }
.used-tbl td { color: var(--black); }
.used-tbl td ul { margin: 0; padding-left: 1.1em; }
.used-tbl .miss { color: #b03a2e; }
.used-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.used-btns .btn-primary, .used-btns .btn-outline { padding: 12px 20px; font-size: 0.74rem; }
.used-posted { font-size: 0.76rem; color: var(--mid-gray); margin-top: 12px; }
.used-lb { position: fixed; inset: 0; background: rgba(0,0,0,0.85); display: none; align-items: center; justify-content: center; z-index: 9999; cursor: zoom-out; }
.used-lb.open { display: flex; }
.used-lb img { max-width: 94vw; max-height: 92vh; object-fit: contain; }
.used-lb .x { position: absolute; top: 16px; right: 22px; color: #fff; font-size: 2rem; line-height: 1; cursor: pointer; }
.used-lb .arr { position: absolute; top: 50%; transform: translateY(-50%); color: #fff; font-size: 2.4rem; padding: 20px; cursor: pointer; user-select: none; }
.used-lb .arr.l { left: 6px; } .used-lb .arr.r { right: 6px; }
@media (max-width: 820px) {
  .used-item { grid-template-columns: 1fr; }
  .used-photos { border-right: none; border-bottom: 1px solid var(--silver-light); }
  .used-body { padding: 18px; }
  .used-tbl th { width: 34%; white-space: normal; }
}
/* 一覧カード・SOLD OUT（2026-09-21 追加） */
.used-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 22px; }
.used-card { background: #fff; border: 1px solid var(--silver-light); text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: box-shadow .25s, transform .25s; }
.used-card:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.09); transform: translateY(-3px); }
.used-card:hover .used-card-title { color: var(--teal); }
.used-card-ph { position: relative; aspect-ratio: 4/3; background: var(--off-white); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.used-card-ph img { width: 100%; height: 100%; object-fit: contain; padding: 10px; box-sizing: border-box; }
.used-card-ph .nophoto { color: var(--mid-gray); font-size: 0.8rem; letter-spacing: 0.1em; }
.used-card-ph .used-status { position: absolute; left: 10px; top: 10px; }
.used-card-body { padding: 14px 16px 16px; }
.used-card-kind { font-size: 0.76rem; color: var(--mid-gray); letter-spacing: 0.04em; }
.used-card-title { font-family: 'Noto Sans JP', sans-serif; font-size: 1.2rem; font-weight: 700; color: var(--black); margin-top: 2px; transition: color .2s; }
.used-card-title .arrow { font-size: 0.9rem; color: var(--teal); margin-left: 4px; }
.used-card-series { font-size: 0.82rem; color: var(--dark-gray); margin-top: 2px; }
.used-card-cond { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 0.86rem; }
.used-card-cond b { font-family: 'Noto Sans JP', sans-serif; color: var(--black); font-weight: 500; }
.used-card-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.used-card-chips span { font-size: 0.72rem; color: var(--teal-dark); background: var(--teal-light); padding: 3px 8px; border-radius: 2px; }
.used-price.small { margin: 12px 0 0; }
.used-price.small .val { font-size: 1.3rem; }
.used-card.sold .used-card-ph img { filter: grayscale(60%); opacity: .75; }
.used-card.sold .used-card-title { color: var(--dark-gray); }
.used-soldout { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.used-soldout span { display: inline-block; transform: rotate(-14deg); border: 4px solid #c0392b; color: #c0392b; background: rgba(255,255,255,0.86); font-family: 'Josefin Sans', sans-serif; font-weight: 700; font-size: clamp(1.6rem, 6vw, 2.6rem); letter-spacing: 0.18em; padding: 6px 22px 2px; border-radius: 4px; box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.used-main .used-soldout span { font-size: clamp(2rem, 5vw, 3.4rem); }
.used-back { display: inline-block; font-size: 0.88rem; color: var(--teal); text-decoration: none; margin: 36px 0 14px; }
.used-back:hover { text-decoration: underline; }