:root {
  --brass-light: #00f3ff;
  --brass-main: #00b8d4;
  --brass-dark: #005662;
  --copper: #ff0055;
  --bronze: #121824;
  --dark-leather: #05070a;
  --blueprint-bg: #0a0d14;
  --blueprint-line: rgba(0, 243, 255, 0.15);
  --amber-glow: #00f3ff;
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --sky-gradient: radial-gradient(circle at 50% 30%, #0d131f 0%, #050608 100%);
}

.sky-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  overflow: hidden;
  perspective: 600px;
  pointer-events: none;
}

.sky-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--sky-gradient);
  transition: background 0.8s ease;
  z-index: -1;
}




.airship-wrapper {
  position: fixed;
  top: 15%;
  left: 0px;  
  width: 220px;
  height: 100px;
  animation: floatAirship 45s linear infinite;
  filter: drop-shadow(0 15px 10px rgba(0,0,0,0.5));
  cursor: pointer;
  pointer-events: auto;
  z-index: 2;
}

.airship .balloon {
  width: 180px;
  height: 70px;
  background: linear-gradient(135deg, #5c4033, #2b1810);
  border: 2px solid var(--brass-main);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  position: relative;
  overflow: hidden;
}

.airship .balloon .stripe {
  width: 100%;
  height: 12px;
  border-bottom: 1px solid var(--brass-main);
  margin-top: 10px;
}

.airship .gondola {
  width: 60px;
  height: 18px;
  background: var(--brass-dark);
  border: 1px solid var(--brass-light);
  position: absolute;
  bottom: 10px;
  left: 55px;
  border-radius: 3px;
}

.airship .propeller {
  width: 12px;
  height: 30px;
  background: var(--copper);
  position: absolute;
  left: 38px;
  bottom: 4px;
  animation: spinPropeller 0.2s linear infinite;
}

.airship .steam-exhaust {
  position: absolute;
  left: 30px;
  bottom: 10px;
  width: 10px;
  height: 10px;
  background: rgba(255,255,255,0.4);
  border-radius: 50%;
  box-shadow: -10px -5px 15px 8px rgba(255,255,255,0.3);
  animation: steamPulse 1s ease-out infinite;
}

.mech-butterfly-wrapper {
  position: fixed;
  top: 30%;
  right: -100px;
  width: 60px;
  height: 60px;
  animation: flyRightToLeft 26s linear infinite;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.6));
  cursor: pointer;
  pointer-events: auto;
  z-index: 2;
}

.mech-butterfly {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
}

.mech-body {
  width: 4px;
  height: 24px;
  background: linear-gradient(to bottom, var(--brass-light), var(--copper));
  border-radius: 2px;
  box-shadow: 0 0 4px var(--amber-glow);
  z-index: 2;
}

.wing {
  position: absolute;
  top: 5px;
  width: 20px;
  height: 26px;
  background: radial-gradient(circle, rgba(243, 229, 171, 0.7) 0%, rgba(184, 115, 51, 0.8) 100%);
  border: 1px solid var(--brass-light);
  border-radius: 80% 20% 60% 40%;
  box-shadow: inset 0 0 4px rgba(255, 255, 255, 0.5);
}

.wing.left-wing {
  right: 50%;
  transform-origin: right center;
  animation: flapLeft 0.22s ease-in-out infinite alternate;
}

.wing.right-wing {
  left: 50%;
  transform-origin: left center;
  border-radius: 20% 80% 40% 60%;
  animation: flapRight 0.22s ease-in-out infinite alternate;
}


@keyframes floatAirship {
  0% { transform: translateX(200px) translateY(0); }
  50% { transform: translateX(calc(100vw + 100px)) translateY(-30px); }
  50.001% { transform: translateX(-300px) translateY(0); }
  100% { transform: translateX(200px) translateY(0); }
}

@keyframes flyRightToLeft {
  0% { transform: translateX(0) translateY(0px) rotate(-15deg); }
  25% { transform: translateX(-30vw) translateY(-40px) rotate(-5deg); }
  50% { transform: translateX(-60vw) translateY(30px) rotate(-20deg); }
  75% { transform: translateX(-90vw) translateY(-20px) rotate(-10deg); }
  100% { transform: translateX(calc(-100vw - 150px)) translateY(10px) rotate(-15deg); }
}

@keyframes flapLeft {
  0% { transform: rotateY(0deg); }
  100% { transform: rotateY(-65deg); }
}

@keyframes flapRight {
  0% { transform: rotateY(0deg); }
  100% { transform: rotateY(65deg); }
}

@keyframes spinPropeller {
  0% { transform: rotateY(0deg); }
  100% { transform: rotateY(360deg); }
}

@keyframes steamPulse {
  0% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 0.8; transform: scale(1.5); }
  100% { opacity: 0; transform: scale(2.2); }
}

.airship-wrapper.fleeing {
  animation: fleeAirship 2.5s cubic-bezier(0.1, 0.8, 0.3, 1) forwards !important;
}

.mech-butterfly-wrapper.panic {
  animation: panicButterfly 2s ease-in forwards !important;
}

.mech-butterfly-wrapper.panic .left-wing,
.mech-butterfly-wrapper.panic .right-wing {
  animation-duration: 0.04s !important;
}

@keyframes fleeAirship {
  0% { transform: scale(1); }
  15% { transform: scale(1.15) translateX(-30px); }
  100% { transform: translateX(calc(100vw + 600px)) scale(1.2); }
}

@keyframes panicButterfly {
  0% { transform: scale(1) rotate(0deg); }
  20% { transform: translateY(-40px) translateX(-50px) rotate(30deg); }
  50% { transform: translateY(50px) translateX(-180px) rotate(-60deg); }
  100% { transform: translateY(-400px) translateX(-500px) scale(0.2); }
}





.steampunk-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 2rem;
  position: relative;
  z-index: 10;
}

.profile-sidebar {
  position: sticky;
  top: 3rem;
  height: fit-content;
  perspective: 1000px; 
}

.card-3d-wrapper {
  width: 100%;
  transition: transform 0.15s ease-out; 
  transform-style: preserve-3d;
}

.brass-card-flipper {
  position: relative;
  widh: 100%;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.brass-card-flipper.is-flipped {
  transform: rotateY(180deg);
}

.brass-card {
  position: relative;
  box-sizing: border-box;
  background: rgba(10, 14, 22, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--brass-main);
  box-shadow:
    0 0 15px rgba(0, 243, 255, 0.15),
    inset 0 0 20px rgba(0, 243, 255, 0.05);
  padding: 2.5rem 1.5rem;
  border-radius: 6px;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}


.secret-header h2 {
  font-family: var(--font-heading);
  color: var(--brass-light);
  font-size: 1.2rem;
  margin-top: 0.3rem;
}

.secret-content {
  margin: 1.5rem 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

.secret-tag {
  color: var(--amber-glow);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.secret-text {
  color: #d1c4a9;
  margin-top: 0.5rem;
}

.qr-placeholder {
  margin-top: 1.5rem;
  text-align: center;
}

.qr-box {
  width: 110px;
  height: 110px;
  margin: 0 auto;
  border: 2px dashed var(--brass-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brass-light);
  background: rgba(0,0,0,0.5);
}

.signature {
  font-family: 'Cinzel', serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--amber-glow);
  margin-top: 0.8rem;
}

.flip-btn, .flip-back-btn {
  font-size: 0.75rem !important;
  padding: 0.6rem 0.5rem !important;
}

.rivet {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--brass-light);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--brass-light);
  z-index: 6;
  cursor: pointer;
  transition: transform 0.1s;
}

.rivet:hover {
  transform: scale(1.3);
  box-shadow: 0 0 8px var(--amber-glow);
}

.rivet.top-left { top: 8px; left: 8px; }
.rivet.top-right { top: 8px; right: 8px; }
.rivet.bottom-left { bottom: 8px; left: 8px; }
.rivet.bottom-right { bottom: 8px; right: 8px; }

.glass-glare-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 30%),
    rgba(255, 245, 210, 0.25) 0%,
    rgba(255, 255, 255, 0.08) 35%,
    transparent 70%
  );
  z-index: 1;
  mix-blend-mode: overlay;
  transition: opacity 0.3s ease;
}

.avatar-gear-container {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 1.5rem auto;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar-frame {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  z-index: 2;
  border: 2px solid var(--brass-light);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
}
.avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}



.subtle-scroll-widget {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--brass-dark);
  padding: 0.5rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 1.2rem;
  position: relative;
  z-index: 2;
}

.scroll-track {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  position: relative;
}

.scroll-brass-knob {
  position: absolute;
  top: -4px;
  left: 0%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--brass-light), var(--brass-dark));
  box-shadow: 0 0 6px var(--amber-glow);
  transform: translateX(-50%);
}

.scroll-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--brass-light);
}

.profile-bio {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 1.5rem;
  border-top: 1px dashed rgba(0, 243, 255, 0.2);
  padding-top: -10rem;
  position: relative;
  z-index: 2;
}

.profile-links {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.brass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 243, 255, 0.08);
  color: var(--brass-light);
  font-family: var(--font-mono);
  font-weight: 600;
  border: 1px solid var(--brass-main);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.1);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 4px;
  position: relative;
  z-index: 2;
}
.brass-btn.equal-btn {
  flex: 1;
  padding: 0.6rem 0;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}
.brass-btn:hover {
  background: var(--brass-light);
  color: #05070a;
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
}
.brass-btn:active {
  transform: translateY(1px);
}

.blueprint-section {
  background: rgba(10, 14, 22, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-image:
    linear-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 243, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  border: 1px solid rgba(0, 243, 255, 0.2);
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.5),
    inset 0 0 30px rgba(0, 243, 255, 0.03);
  padding: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  border-radius: 6px;
}
.blueprint-card {
  border: 1px solid var(--brass-main);
  background: rgba(20, 12, 8, 0.85);
  padding: 1.8rem 1.5rem 1.5rem 1.5rem;
  position: relative;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 3px;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

.blueprint-card:hover {
  border-color: var(--brass-light);
  background: rgba(42, 27, 18, 0.95);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.7), 0 0 15px rgba(197, 160, 89, 0.25);
  transform: translateY(-3px);
}

.skill-category {
  background: rgba(20, 12, 8, 0.85);
  border: 1px solid var(--brass-dark);
  padding: 1.5rem;
  border-radius: 3px;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}
.schematic-caption {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--brass-main);
  letter-spacing: 1px;
  opacity: 0.85;
  border: 1px solid var(--brass-dark);
  padding: 2px 8px;
  background: rgba(10, 6, 4, 0.6);
  border-radius: 2px;
}
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 2px solid var(--brass-dark);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}
.section-header .gear-icon {
  font-size: 1.8rem;
  color: var(--brass-main);
  display: inline-block;
  line-height: 1;
  transform-origin: center center;
  will-change: transform;
  animation: smoothSpinGear 12s linear infinite;
}
@keyframes smoothSpinGear {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.section-header h2 {
  font-family: var(--font-heading);
  color: var(--brass-light);
  font-size: 1.6rem;
  letter-spacing: 1.5px;
}
.section-header h2 span {
  font-size: 0.85rem;
  font-family: var(--font-body);
  color: var(--amber-glow);
  margin-left: 10px;
}

.header-character {
  height: 70px;
  width: auto;
  image-rendering: pixelated;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.blueprint-card {
  border: 1px solid var(--brass-dark);
  background: rgba(28, 19, 14, 0.75);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  border-radius: 4px;
}

/* --- カード上部の昆虫GIF横切るレーン --- */
/* --- カード上部の昆虫GIF横切るレーン --- */
.card-header-lane {
  position: relative;
  width: calc(100% + 3rem);
  margin: -1.5rem -1.5rem 1rem -1.5rem;
  height: 60px; /* レーンの高さを拡張 */
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px dashed var(--brass-dark);
  overflow: hidden;
  pointer-events: none;
}

.walking-bug {
  position: absolute;
  top: 50%;
  right: -70px;
  height: 90px; /* 昆虫GIFの大きさ*/
  width: auto;
  transform: translateY(-50%);
  animation: walkRightToLeft 14s linear infinite;
  image-rendering: pixelated; /* ドット絵をぼやかさずくっきり表示 */
}

@keyframes walkRightToLeft {
  0% { right: -70px; }
  100% { right: calc(100% + 70px); }
}
/* --- ゲームプレイGIF表示枠 --- */
.game-preview-container {
  width: 100%;
  margin: 1rem 0 1.2rem 0;
  border: 1px solid var(--brass-main);
  border-radius: 4px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.15);
}

.game-preview-gif {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  image-rendering: pixelated; /* ドット絵をぼやかさずくっきり表示 */
}
.blueprint-card::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  bottom: 4px;
  background:
    linear-gradient(to right, var(--amber-glow) 8px, transparent 8px) top left / 100% 2px no-repeat,
    linear-gradient(to bottom, var(--amber-glow) 8px, transparent 8px) top left / 2px 100% no-repeat,
    linear-gradient(to left, var(--amber-glow) 8px, transparent 8px) top right / 100% 2px no-repeat,
    linear-gradient(to bottom, var(--amber-glow) 8px, transparent 8px) top right / 2px 100% no-repeat,
    linear-gradient(to right, var(--amber-glow) 8px, transparent 8px) bottom left / 100% 2px no-repeat,
    linear-gradient(to top, var(--amber-glow) 8px, transparent 8px) bottom left / 2px 100% no-repeat,
    linear-gradient(to left, var(--amber-glow) 8px, transparent 8px) bottom right / 100% 2px no-repeat,
    linear-gradient(to top, var(--amber-glow) 8px, transparent 8px) bottom right / 2px 100% no-repeat;
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.blueprint-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 170, 0, 0.25), transparent);
  transform: skewX(-20deg);
  pointer-events: none;
}
.blueprint-card:hover {
  border-color: var(--brass-light);
  background: rgba(15, 22, 35, 0.85);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.25), inset 0 0 10px rgba(0, 243, 255, 0.1);
  transform: translateY(-3px);
}
.blueprint-card:hover::before {
  opacity: 1;
}
.blueprint-card:hover::after {
  animation: scanLine 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes scanLine {
  0% { left: -100%; }
  100% { left: 200%; }
}
.blueprint-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}
.patent-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber-glow);
  letter-spacing: 1px;
}
.spec-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--brass-main);
  letter-spacing: 0.5px;
  opacity: 0.8;
}
.blueprint-card h3 {
  font-family: var(--font-heading);
  color: var(--brass-light);
  margin: 0.5rem 0;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
}
.tech-stack {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--brass-main);
  margin-bottom: 1rem;
}
.project-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 1.5rem;
}
.project-actions {
  display: flex;
  gap: 0.8rem;
}
.blueprint-link {
  font-family: var(--font-mono);
  color: var(--brass-light);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--brass-main);
  background: rgba(0, 243, 255, 0.05);
  transition: all 0.2s ease;
  border-radius: 3px;
  position: relative;
  z-index: 2;
}
.blueprint-link:hover {
  background: var(--brass-light);
  color: #05070a;
  font-weight: bold;
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.4);
}

.skills-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.skill-category {
  background: rgba(28, 19, 14, 0.5);
  border: 1px solid var(--brass-dark);
  padding: 1.5rem;
  border-radius: 4px;
}
.skill-category h3 {
  font-family: var(--font-mono);
  color: var(--amber-glow);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  border-bottom: 1px dashed var(--brass-dark);
  padding-bottom: 0.5rem;
  letter-spacing: 1px;
}
.skill-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.skill-list li {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #94a3b8;
  padding: 0.35rem 0;
  display: flex;
  align-items: center;
}
.skill-list li::before {
  content: '>';
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--brass-light);
  margin-right: 0.6rem;
}

html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  max-width: 100%;
  background-color: #050608;
}

@media (max-width: 900px) {
  .steampunk-layout {
    grid-template-columns: 1fr;
    padding: 1.25rem 1rem;
    gap: 1.5rem;
  }
  .profile-sidebar {
    position: static;
  }
  .blueprint-section {
    padding: 1.25rem 1rem;
  }
  .automaton-companion {
    bottom: 10px;
    left: 10px;
    transform: scale(0.85);
  }
}


.airship-wrapper,
.mech-butterfly-wrapper {
  z-index: 10; 
  cursor: pointer;
}

.airship-wrapper.fleeing {
  animation: fleeAirship 2.5s cubic-bezier(0.25, 1, 0.5, 1) forwards !important;
}


.mech-butterfly-wrapper.panic {
  animation: panicButterfly 2s ease-in forwards !important;
}

.mech-butterfly-wrapper.panic .left-wing,
.mech-butterfly-wrapper.panic .right-wing {
  animation-duration: 0.04s !important; 
}


@keyframes fleeAirship {
  0% {
    transform: translate(var(--curr-x, 0px), var(--curr-y, 0px)) scale(1);
  }
  12% {
    transform: translate(calc(var(--curr-x, 0px) - 30px), calc(var(--curr-y, 0px) + 5px)) scale(1.15);
  }
  100% {

    transform: translate(calc(var(--curr-x, 0px) + 100vw + 400px), calc(var(--curr-y, 0px) - 80px)) scale(1.3);
  }
}

@keyframes panicButterfly {
  0% {
    transform: translate(var(--curr-x, 0px), var(--curr-y, 0px)) rotate(0deg) scale(1);
  }
  25% {
    transform: translate(calc(var(--curr-x, 0px) - 60px), calc(var(--curr-y, 0px) - 50px)) rotate(35deg) scale(1.2);
  }
  55% {
    transform: translate(calc(var(--curr-x, 0px) - 180px), calc(var(--curr-y, 0px) + 60px)) rotate(-45deg) scale(0.9);
  }
  100% {

    transform: translate(calc(var(--curr-x, 0px) - 100vw - 200px), calc(var(--curr-y, 0px) - 300px)) rotate(-90deg) scale(0.2);
  }
}



@media (max-width: 900px) {
  .sky-container {
    height: 100dvh; /* 現代のモバイル用高さ指定 */
  }

  .spec-tag, .schematic-caption, .patent-number {
    font-size: 0.75rem;
  }

  .brass-btn {
    min-height: 44px;
  }
}
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--copper);
  color: #fff;
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 1px;
}

.engineer-name {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--brass-light);
  text-shadow: 2px 2px 4px #000;
  margin-top: 0.5rem;
}