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

:root {
  --black: #0a0a0a;
  --white: #f5f5f0;
  --gray: #888;
  /* AA-safe grays: 4.5:1+ on respective backgrounds */
  --gray-on-light: #5c5c5c;  /* ~5.0:1 on #f5f5f0 */
  --gray-on-dark: #9a9a9a;   /* ~5.5:1 on #0a0a0a */
  --accent: #e0e0d8;
}

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--white);
  color: var(--black);
  overflow-x: hidden;
  font-weight: 300;
}
body.menu-open {
  overflow: hidden;
}

/* ===========================
   VISUALLY HIDDEN
   スクリーンリーダー・クローラー向け非表示
   display:none ではないため、SEO/LLMOに認識される
   =========================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- HERO --- */
.hero {
  height: 100vh; display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  position: relative; background: var(--black); color: var(--white);
  text-align: center; overflow: hidden;
}

/* ---- Background Ticker (horizontal scroll) ---- */
.hero-ticker {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
}
.hero-ticker-row {
  display: flex;
  gap: 0.5rem;
  width: max-content;
  animation: tickerScroll 60s linear infinite;
}
.hero-ticker-row.is-reverse {
  animation-name: tickerScrollReverse;
  animation-duration: 68s;
}
.hero-ticker-row img {
  height: calc(50vh - 0.25rem);
  width: auto;
  object-fit: cover;
  border-radius: 4px;
  filter: contrast(1.05);
  flex-shrink: 0;
}
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes tickerScrollReverse {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}
/* オーバーレイ（文字可読性 + ブランドトーン） */
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(245,245,240,0.02) 2px, rgba(245,245,240,0.02) 4px);
  pointer-events: none;
}
/* ---- Hero Copy: frosted glass backdrop ---- */
.hero-copy {
  position: relative; z-index: 3;
  padding: 2rem 2.5rem;
  border-radius: 12px;
  background: rgba(10, 10, 10, 0.35);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(245, 245, 240, 0.08);
  animation: heroIn 1.2s 0.15s cubic-bezier(0.16, 1, 0.3, 1) both;
}
/* h1→pに変更したブランドコピーのスタイル維持
   HTML上は <p class="hero-title"> に変更済み */
.hero .hero-title {
  color: rgba(245,245,240,0.08);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 4.5rem);
  letter-spacing: 0.06em;
  line-height: 1.3;
  position: relative;
  text-shadow:
    1px 0 4px rgba(150,150,150,0.34),
    -1px 0 4px rgba(150,150,150,0.34),
    0 1px 4px rgba(150,150,150,0.34),
    0 -1px 4px rgba(150,150,150,0.34);
  animation: heroOutlineIn 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-title-fill {
  position: absolute;
  inset: 0;
  color: var(--white);
  text-shadow: none;
  opacity: 0;
  transform: translateX(-6px);
  animation: heroFillReveal 1.4s 1.1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-sub {
  font-size: clamp(0.9rem, 1.8vw, 1.15rem);
  margin-top: 1.2rem;
  letter-spacing: 0.08em;
  line-height: 1.8;
  font-weight: 300;
  position: relative;
  animation: heroIn 1.2s 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-sub strong { font-weight: 700; }
.hero-stats {
  margin-top: 2rem;
  padding: 1rem 1.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  width: min(100%, 780px);
  position: relative;
  z-index: 3;
  background: rgba(10,10,10,0.38);
  border: 1px solid rgba(245,245,240,0.12);
  backdrop-filter: blur(10px);
  animation: heroIn 1.2s 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero-stat {
  padding-inline: 0.6rem;
}
.hero-stat + .hero-stat {
  border-left: 1px solid rgba(245,245,240,0.08);
}
.hero-stat-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.2rem;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: 0.06em;
  line-height: 0.95;
  color: var(--white);
}
.hero-stat-value .suffix {
  font-size: 0.42em;
  color: rgba(245,245,240,0.66);
}
.hero-stat-label {
  display: block;
  margin-top: 0.45rem;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(245,245,240,0.58);
}
.scroll-indicator {
  position: absolute; bottom: 2.5rem;
  z-index: 3;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--gray-on-dark);
  display: flex; flex-direction: column; align-items: center; gap: 0.8rem;
  animation: bounce 2s infinite;
}
.scroll-indicator .line {
  width: 1px; height: 40px; background: var(--gray-on-dark);
  transform-origin: top center;
  animation: scrollLine 2s infinite;
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes heroOutlineIn {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes heroFillReveal {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); opacity: 0.4; }
  20%  { opacity: 1; }
  50%  { transform: scaleY(1); }
  80%  { opacity: 1; }
  100% { transform: scaleY(0); opacity: 0.4; }
}

/* ===========================
   PARALLAX BACKGROUND IMAGES
   =========================== */
.section, .faq-section, .contact-section {
  position: relative;
  overflow: hidden;
}
.parallax-bg {
  position: absolute;
  inset: -80px 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}
.parallax-bg svg {
  position: absolute;
  width: 100%; height: 100%;
  opacity: 0.06;
  filter: grayscale(1) contrast(0.7);
}
/* Inverted sections need lighter SVG */
.section.inverted .parallax-bg svg {
  opacity: 0.04;
  filter: grayscale(1) contrast(0.5) invert(1);
}

/* All section content above parallax */
.section > *:not(.parallax-bg),
.faq-section > *:not(.parallax-bg),
.contact-section > *:not(.parallax-bg) {
  position: relative;
  z-index: 1;
}

/* ===========================
   SECTIONS - BODY CONTENT
   =========================== */
.section {
  padding: 8rem 2.5rem;
  border-top: 1px solid var(--black);
  scroll-margin-top: 96px;
}

/* Body content (everything except heading) fades in */
.section-grid, .section-body-wrap {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s 0.4s ease, transform 0.8s 0.4s ease;
}
.section.visible .section-grid,
.section.visible .section-body-wrap {
  opacity: 1; transform: translateY(0);
}

/* ===========================
   HEADING ANIMATION - 
   Letter-by-letter clip reveal
   =========================== */
.section-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(5rem, 15vw, 12rem);
  line-height: 0.85;
  letter-spacing: 0.05em;
  color: var(--black);
  display: block;
  margin-bottom: 1rem;
  overflow: hidden;
}
.section-number .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-on-light);
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
/* Inverted / footer label override for dark bg */
.section.inverted .section-number .label,
.contact-section .section-number .label {
  color: var(--gray-on-dark);
}
.section.visible .section-number .label,
.faq-section.visible .section-number .label,
.contact-section.visible .section-number .label {
  opacity: 1;
  transform: translateX(0);
}

/* Each letter wrapped in .heading-char */
.heading-chars {
  display: flex;
  flex-wrap: wrap;
  overflow: hidden;
}
.heading-char {
  display: inline-block;
  transform: translateY(100%) rotateX(-40deg);
  opacity: 0;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.heading-char.space {
  width: 0.3em;
}
.section.visible .heading-char,
.faq-section.visible .heading-char,
.contact-section.visible .heading-char {
  transform: translateY(0) rotateX(0deg);
  opacity: 1;
}
/* Horizontal swipe underline after heading reveals */
.heading-line {
  display: block;
  height: 2px;
  background: currentColor;
  margin-top: 0.5rem;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.section.visible .heading-line,
.faq-section.visible .heading-line,
.contact-section.visible .heading-line {
  transform: scaleX(1);
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
  align-items: start;
}

/* h3→h2に昇格済み（見出し階層最適化 Step 2） */
.section-text h2 {
  font-size: 1.95rem; font-weight: 700;
  margin-bottom: 1rem; letter-spacing: 0.02em;
}

/* h2内の英語表記：デザインアクセントとして日本語の下に配置 */
.section-text h2 .heading-en {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.45;
  margin-top: 0.4em;
}
.section-text p {
  font-size: 1.425rem; line-height: 1.9;
  color: #444;
}
.section-text ul {
  list-style: none; margin-top: 1.5rem;
}
.section-text ul li {
  font-size: 1.275rem; line-height: 1.8;
  padding-left: 1.5rem; position: relative;
  color: #505050;
}
.section-text ul li::before {
  content: '—';
  position: absolute; left: 0; color: var(--gray-on-light);
}
/* Inverted overrides for list dashes */
.section.inverted .section-text ul li::before {
  color: var(--gray-on-dark);
}

.section-visual {
  background: var(--black);
  aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  transform: translate3d(var(--frame-slide-x, 0px), 0, 0);
  will-change: transform;
  transition: transform 0.18s linear;
}
.section-visual a {
  display: block; width: 100%; height: 100%;
  position: relative;
  overflow: hidden;
}
.section-visual a img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) brightness(0.85) contrast(1.05);
  transform: scale(1.02);
  transition: filter 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.section-visual a:hover img {
  filter: grayscale(0) brightness(1) contrast(1);
  transform: scale(1.06);
}
/* ホバー時「View More →」ラベル */
.section-visual a .hover-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.2rem 1.5rem;
  background: linear-gradient(to top, rgba(10,10,10,0.85) 0%, transparent 100%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  display: flex; align-items: center; gap: 0.5rem;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.section-visual a:hover .hover-label {
  transform: translateY(0);
}
/* インナーボーダー */
.section-visual::after {
  content: '';
  position: absolute; inset: 0;
  border: 1px solid rgba(245,245,240,0.1);
  margin: 12px;
  pointer-events: none;
  transition: border-color 0.4s;
}
.section-visual:hover::after {
  border-color: rgba(245,245,240,0.25);
}

.section-cta {
  display: inline-flex; align-items: center; gap: 0.8rem;
  margin-top: 2.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem; letter-spacing: 0.1em;
  text-decoration: none; color: var(--black);
  text-transform: uppercase;
  border-bottom: 1px solid var(--black);
  padding-bottom: 0.3rem;
  transition: gap 0.3s;
}
.section-cta:hover { gap: 1.2rem; }
.section-cta .arrow { font-size: 1.1rem; }

.inline-note {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  border: none;
  padding: 0;
  margin: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: help;
}
.inline-note .term {
  border-bottom: 1px dotted currentColor;
}
.inline-note .note-pop {
  position: absolute;
  left: 0;
  bottom: calc(100% + 0.6rem);
  width: min(18rem, 80vw);
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(10,10,10,0.08);
  background: rgba(245,245,240,0.96);
  color: #222;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.82rem;
  line-height: 1.7;
  text-transform: none;
  letter-spacing: 0.01em;
  text-align: left;
  box-shadow: 0 18px 30px rgba(10,10,10,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  pointer-events: none;
  z-index: 5;
}
.inline-note:focus-visible {
  outline: none;
}
.inline-note:hover .note-pop,
.inline-note:focus-visible .note-pop,
.inline-note.active .note-pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.section.inverted .inline-note .note-pop,
.faq-section .inline-note .note-pop {
  border-color: rgba(245,245,240,0.08);
  background: rgba(8,17,31,0.96);
  color: rgba(245,245,240,0.88);
}

/* --- INVERTED SECTION --- */
.section.inverted {
  background:
    radial-gradient(circle at top right, rgba(58, 88, 138, 0.32), transparent 42%),
    linear-gradient(135deg, #08111f 0%, #0d1f36 48%, #132a46 100%);
  color: var(--white);
  border-top-color: #333;
}
.section.inverted .section-number { color: var(--white); }
.section.inverted .section-text p { color: #aaa; }
.section.inverted .section-text ul li { color: #999; }
.section.inverted .section-cta { color: var(--white); border-bottom-color: var(--white); }
/* inverted（暗背景）セクションでのh2英語表記の色調整 */
.section.inverted .section-text h2 .heading-en { opacity: 0.35; }
.section.inverted .section-visual { background: rgba(6, 14, 28, 0.72); }

#sec004 {
  background:
    radial-gradient(circle at top right, rgba(58, 88, 138, 0.32), transparent 42%),
    linear-gradient(135deg, #08111f 0%, #0d1f36 48%, #132a46 100%);
}

#sec004 .section-visual {
  background: rgba(6, 14, 28, 0.72);
}

/* --- TOPICS SECTION --- */
.topics-section {
  background:
    radial-gradient(circle at bottom left, rgba(58, 88, 138, 0.28), transparent 42%),
    linear-gradient(135deg, #0a1520 0%, #0f2235 48%, #15304a 100%);
}
.topics-grid {
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.topics-lead p {
  color: rgba(245,245,240,0.6);
}
.topics-cards {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.topic-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(245,245,240,0.08);
  text-decoration: none;
  color: var(--white);
  transition: background 0.3s ease;
}
.topic-card:first-child {
  border-top: 1px solid rgba(245,245,240,0.08);
}
.topic-card:hover {
  background: rgba(245,245,240,0.03);
}
.topic-card-date {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 4.5rem;
  line-height: 1;
}
.topic-date-y {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: rgba(245,245,240,0.35);
}
.topic-date-md {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: rgba(245,245,240,0.7);
  margin-top: 0.1rem;
}
.topic-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}
.topic-card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245,245,240,0.4);
}
.topic-card-title {
  font-size: 0.95rem;
  line-height: 1.6;
  font-weight: 500;
  color: rgba(245,245,240,0.88);
  transition: color 0.3s;
}
.topic-card:hover .topic-card-title {
  color: var(--white);
}
.topic-card-arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: rgba(245,245,240,0.25);
  transition: color 0.3s, transform 0.3s;
  flex-shrink: 0;
}
.topic-card:hover .topic-card-arrow {
  color: rgba(245,245,240,0.6);
  transform: translateX(4px);
}

/* --- FAQ SECTION --- */
.faq-section {
  background:
    radial-gradient(circle at top right, rgba(58, 88, 138, 0.08), transparent 42%),
    linear-gradient(135deg, #f7f7f2 0%, #f4f4ee 55%, #ecece4 100%);
  color: var(--black);
  padding: 8rem 2.5rem 4rem;
  border-top: 1px solid #d7d7d2;
  overflow: hidden;
  scroll-margin-top: 96px;
}
.faq-section .section-number { color: var(--black); }
.faq-section .parallax-bg svg {
  opacity: 0.06;
  filter: grayscale(1) contrast(0.7);
}
.faq-list {
  margin-top: 3rem;
  position: relative;
  z-index: 1;
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s 0.4s ease, transform 0.8s 0.4s ease;
}

/* FAQセクションのh2：既存デザインのトーンに合わせる */
.faq-list h2 {
  font-size: 1.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}
.faq-list h2 .heading-en {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.45;
  margin-top: 0.4em;
}
.faq-section.visible .faq-list {
  opacity: 1; transform: translateY(0);
}
.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.faq-question {
  width: 100%;
  padding: 1.35rem 0;
  background: transparent;
  border: none;
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  cursor: pointer;
  text-align: left;
  font: inherit;
}
.faq-question-text {
  font-size: 1rem;
  line-height: 1.7;
}
.faq-icon {
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: rgba(0, 0, 0, 0.45);
  transition: transform 0.3s ease, color 0.3s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--black);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}
.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}
.faq-answer-inner {
  overflow: hidden;
}
.faq-answer p {
  padding: 0 0 1.35rem;
  color: rgba(0, 0, 0, 0.68);
  line-height: 1.9;
  font-size: 0.95rem;
}

/* --- CONTACT / FOOTER --- */
.contact-section {
  background:
    radial-gradient(circle at top right, rgba(58, 88, 138, 0.32), transparent 42%),
    linear-gradient(135deg, #08111f 0%, #0d1f36 48%, #132a46 100%);
  color: var(--white);
  padding: 8rem 2.5rem 4rem;
  border-top: 1px solid #22344f;
  overflow: hidden;
  scroll-margin-top: 96px;
}
.contact-section .section-number { color: var(--white); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; margin-top: 3rem;
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s 0.4s ease, transform 0.8s 0.4s ease;
}

/* CONTACTセクションのh2：grid全幅に配置 */
.contact-grid h2 {
  grid-column: 1 / -1;
  font-size: 1.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}
.contact-grid h2 .heading-en {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.35;
  margin-top: 0.4em;
}
.contact-section.visible .contact-grid {
  opacity: 1; transform: translateY(0);
}

.footer-company-block {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.footer-company-block .footer-logo-mini {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  color: var(--white);
}
.footer-company-block p {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(245, 245, 240, 0.48);
}
.contact-message {
  font-size: 1.3rem; line-height: 2;
  font-weight: 300; color: rgba(245, 245, 240, 0.82);
  max-width: 500px;
}
.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-form input, .contact-form textarea, .contact-form select {
  background: transparent; border: none;
  border-bottom: 1px solid rgba(245, 245, 240, 0.28);
  color: var(--white); padding: 0.8rem 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.9rem; outline: none;
  transition: border-color 0.3s;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  border-bottom-color: var(--white);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--gray-on-dark); }
.contact-form select { cursor: pointer; }
.contact-form select option { background: #0d1f36; color: var(--white); }
.contact-form textarea { resize: vertical; min-height: 100px; }
.submit-btn {
  align-self: flex-start;
  background: var(--white); color: var(--black);
  border: none; padding: 0.9rem 2.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; cursor: pointer;
  transition: background 0.3s, transform 0.1s;
}
.submit-btn:hover { background: #d9e1ea; }
.submit-btn:active { transform: scale(0.98); }