/* ===================================================
   KAIR — Global Stylesheet
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&family=Noto+Serif+JP:wght@300;400;700&display=swap');

/* ── CSS Variables ── */
:root {
  --bg:        #ffffff;
  --bg-sub:    #f5f5f5;
  --bg-dark:   #1a1a1e;
  --bg-darker: #111111;
  --text:      #1a1a1e;
  --text-inv:  #ffffff;
  --muted:     #555555;
  --border:    #e0e0e0;
  --border-dark: #2a2a2a;

  --accent-pink:   #c8748a;
  --accent-orange: #c8844a;
  --accent-magenta:#a03070;

  --font-en: 'Cormorant Garamond', Georgia, serif;
  --font-jp: 'Noto Serif JP', 'Hiragino Mincho Pro', serif;

  --radius: 8px;
  --transition: 0.25s ease;
  --max-w: 1160px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  /* 数字を均一な高さ・ベースラインで表示（Cormorant Garamondのold-style figures対策） */
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── Container ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

/* ===================================================
   HEADER / NAV
   =================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text);
}

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

.header-nav a {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition);
}
.header-nav a:hover { color: var(--text); }

/* ── Service Dropdown ── */
.nav-dropdown-wrap {
  position: relative;
}
.nav-dropdown-wrap > a {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-dropdown-wrap > a::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition);
  opacity: 0.6;
}
.nav-dropdown-wrap:hover > a::after {
  transform: rotate(225deg) translateY(-2px);
}
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 0 8px;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  z-index: 1001;
  flex-direction: column;
}
.nav-dropdown-wrap:hover .nav-dropdown {
  display: flex;
}
.nav-dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}
.nav-dropdown a:hover {
  color: var(--text);
  background: var(--bg-sub);
}

/* ── Mobile Service Sub-links ── */
.mobile-nav-sub {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 16px;
  margin-top: -12px;
}
.mobile-nav-sub a {
  font-size: 12px !important;
  color: var(--muted);
  padding: 5px 0 !important;
  border-bottom: none !important;
  letter-spacing: 0.1em;
}
.mobile-nav-sub a:last-child {
  border-bottom: 1px solid var(--border) !important;
  padding-bottom: 10px !important;
}

.btn-contact {
  background: var(--bg-dark);
  color: var(--text-inv) !important;
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 12px !important;
  letter-spacing: 0.12em;
  transition: opacity var(--transition) !important;
}
.btn-contact:hover { opacity: 0.75; }

/* hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--text);
  transition: var(--transition);
}

/* mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  padding: 24px 40px 32px;
  border-bottom: 1px solid var(--border);
  z-index: 999;
  flex-direction: column;
  gap: 20px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-child { border-bottom: none; }

/* ===================================================
   SAMPLE WATERMARK OVERLAY
   =================================================== */
.sample-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
  color: rgba(150,150,150,0.6);
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 600;
  letter-spacing: 0.4em;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 0;
}

/* ===================================================
   HERO
   =================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 40px 80px;
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(rgba(255,255,255,0.35), rgba(255,255,255,0.35)),
    url('../images/hero.jpeg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-kair {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 48px;
}

.hero-letter {
  position: relative;
  cursor: default;
}

.hero-letter-char {
  font-family: var(--font-en);
  font-size: clamp(80px, 14vw, 160px);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1;
  display: block;
  transition: color var(--transition);
}

.hero-letter:hover .hero-letter-char {
  color: var(--muted);
}

.hero-letter-tip {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #1a1a1e;
  text-shadow: 0 1px 6px rgba(255,255,255,0.8), 0 0 12px rgba(255,255,255,0.6);
  opacity: 0;
  transition: opacity var(--transition), bottom var(--transition);
  pointer-events: none;
}

.hero-letter:hover .hero-letter-tip {
  opacity: 1;
  bottom: -36px;
}

.hero-tagline {
  font-family: var(--font-en);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 400;
  font-style: italic;
  color: #1a1a1e;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  text-align: center;
}

.hero-sub {
  font-size: clamp(14px, 1.5vw, 17px);
  color: #1a1a1e;
  letter-spacing: 0.06em;
  text-align: center;
  line-height: 2;
  margin-bottom: 52px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-dark);
  color: var(--text-inv);
  padding: 16px 44px;
  border-radius: 40px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: opacity var(--transition);
}
.hero-cta:hover { opacity: 0.75; }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--muted), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.4; transform: scaleY(0.6); transform-origin: top; }
  50%       { opacity: 1;   transform: scaleY(1);   transform-origin: top; }
}

/* ===================================================
   SECTION COMMON
   =================================================== */
.section {
  padding: 100px 0;
}
.section-dark {
  background: var(--bg-dark);
  color: var(--text-inv);
}
.section-sub {
  background: var(--bg-sub);
}

.section-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.section-label-inv {
  color: rgba(255,255,255,0.6);
}

.section-title {
  font-family: var(--font-en);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.section-lead {
  font-size: 14px;
  color: var(--muted);
  line-height: 2;
  max-width: 560px;
}
.section-lead-inv {
  color: rgba(255,255,255,0.75);
}

/* ===================================================
   OUR SERVICE — 3 Cards
   =================================================== */
.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  background: var(--bg);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  border-color: var(--text);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}

.service-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card-icon svg {
  width: 36px;
  height: 36px;
  stroke-width: 1.5;
}

.service-card-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.service-card-title {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.service-card-title-jp {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.service-card-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 0;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 32px;
  align-self: flex-start;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  transition: opacity var(--transition);
}
.service-card-link:hover { opacity: 0.5; }

/* ===================================================
   COMPANY PROFILE
   =================================================== */
.company-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 56px;
}

.company-photo {
  aspect-ratio: 4/5;
  background: var(--bg-sub);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.company-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.company-photo-placeholder {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}
.company-table tr {
  border-bottom: 1px solid var(--border);
}
.company-table tr:first-child {
  border-top: 1px solid var(--border);
}
.company-table td {
  padding: 16px 0;
  font-size: 13px;
  vertical-align: top;
}
.company-table td:first-child {
  width: 120px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding-right: 20px;
  padding-top: 18px;
}

/* ===================================================
   CONTACT
   =================================================== */
.contact-section {
  background: var(--bg-darker);
  padding: 100px 0;
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 40px;
}

.contact-form {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}

.form-input,
.form-textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 14px;
  font-family: var(--font-jp);
  color: var(--text-inv);
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(255,255,255,0.45);
}
.form-input:focus,
.form-textarea:focus {
  border-color: rgba(255,255,255,0.35);
}

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

.form-submit {
  align-self: flex-start;
  background: var(--text-inv);
  color: var(--bg-darker);
  border: none;
  padding: 16px 48px;
  border-radius: 40px;
  font-size: 13px;
  font-family: var(--font-jp);
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: opacity var(--transition);
  margin-top: 8px;
}
.form-submit:hover { opacity: 0.8; }

/* ===================================================
   FOOTER
   =================================================== */
.site-footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-dark);
  padding: 36px 40px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}

.site-footer .footer-copy {
  text-align: center;
}

.site-footer .footer-links {
  justify-self: end;
}

.footer-logo {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-inv);
}

.footer-copy {
  font-size: 11px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.06em;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.footer-links a {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text-inv); }

/* ===================================================
   DETAIL PAGE — shared layout
   =================================================== */
.detail-hero {
  padding: 140px 40px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 48px;
  transition: color var(--transition);
}
.back-link:hover { color: var(--text); }

.detail-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.detail-intro-text .eyebrow {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.detail-intro-text h1 {
  font-family: var(--font-en);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}

.detail-intro-text .heading-jp {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 32px;
}

.detail-intro-text p {
  font-size: 14px;
  color: var(--muted);
  line-height: 2;
  max-width: 480px;
}

.detail-intro-img {
  aspect-ratio: 4/5;
  background: var(--bg-sub);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.detail-intro-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.detail-intro-img-placeholder {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===================================================
   VALUE PROPOSITION — 3 check cards
   =================================================== */
.value-section {
  padding: 80px 0;
  background: var(--bg-sub);
}

.value-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.value-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px 28px;
}

.value-check {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.value-check svg {
  width: 16px;
  height: 16px;
  stroke: var(--text);
  stroke-width: 2;
  fill: none;
}

.value-card-title {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.value-card-title-jp {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 16px;
}

.value-card-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
}

/* ===================================================
   SERVICE MENU — dark 2x2 grid
   =================================================== */
.menu-section {
  padding: 80px 0;
  background: var(--bg-dark);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 48px;
}

.menu-item {
  background: var(--bg-dark);
  padding: 40px 36px;
  transition: background var(--transition);
}
.menu-item:hover { background: #222228; }

.menu-item-num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 600;
  color: #cccccc;
  line-height: 1;
  margin-bottom: 20px;
}

.menu-item-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-inv);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

/* ── Lining numerals: Cormorant Garamondのold-style figures（数字が小さく見える問題）対策 ── */
.header-logo,
.hero-letter-char,
.hero-tagline,
.section-title,
.service-card-title,
.material-title,
.footer-logo,
.detail-intro-text h1,
.value-card-title,
.menu-item-num {
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}

.menu-item-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.9;
}

/* ===================================================
   WHY KAIR — 3 Cards
   =================================================== */
.why-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.why-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 32px;
  background: var(--bg);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.why-card:hover {
  border-color: var(--text);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}

.why-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.why-card-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--text);
  stroke-width: 1.5;
}

.why-card-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.5;
  margin-bottom: 16px;
  color: var(--text);
}

.why-card-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
}

/* ===================================================
   WHAT WE MAKE — 3×2 Item Grid
   =================================================== */
.item-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.item-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.item-card:hover {
  border-color: var(--text);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}

.item-card-img {
  aspect-ratio: 4/3;
  background: var(--bg-sub);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.item-card-body {
  padding: 20px 24px 24px;
}

.item-card-name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  color: var(--text);
}

.item-card-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
}

.section-btn-wrap {
  margin-top: 56px;
  text-align: center;
}

.section-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--text);
  padding: 14px 40px;
  border-radius: 40px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--text);
  transition: background var(--transition), color var(--transition);
}
.section-btn:hover {
  background: var(--text);
  color: var(--text-inv);
}

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 900px) {
  .service-cards,
  .why-cards,
  .item-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .company-layout,
  .detail-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .value-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 12px;
  }

  .site-footer .footer-links {
    justify-self: center;
  }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }

  .site-header {
    padding: 0 20px;
  }

  .header-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    padding: 24px 20px 32px;
  }

  .hero {
    padding: 100px 20px 80px;
  }

  .section { padding: 72px 0; }

  .detail-hero {
    padding: 110px 20px 60px;
  }

  .contact-inner { padding: 0 20px; }

  .site-footer { padding: 28px 20px; }

  .company-photo { aspect-ratio: 3/2; }
  .detail-intro-img { aspect-ratio: 3/2; }
}

@media (max-width: 480px) {
  .hero-letter-char {
    font-size: clamp(60px, 18vw, 100px);
  }
}

/* ── PDF変換用：フェードインアニメーション無効化 ── */
.fade-in {
  opacity: 1 !important;
  transform: none !important;
}