/* =============================================================
   ちるとも ポートフォリオ - styles.css
   Variant A (Quiet Confidence) ベース
   + Variant B 番号セクション
   + Variant C KPIストリップ
   ============================================================= */

/* ----- Tokens ----- */
:root {
  --green: #00bf63;
  --green-dim: #00a857;
  --green-deep: #047a3f;
  --green-soft: rgba(0, 191, 99, 0.08);
  --green-line: rgba(0, 191, 99, 0.2);
  --ink: #111111;
  --ink-soft: #2a2a2a;
  --sub: #6b6b6b;
  --sub-2: #9a9a96;
  --line: #e8e6df;
  --line-soft: #f0eee8;
  --bg: #fafaf7;
  --bg-alt: #f4f2ec;
  --card: #ffffff;
  --shadow-sm: 0 1px 2px rgba(17, 17, 17, 0.04);
  --shadow-md: 0 8px 28px rgba(17, 17, 17, 0.06);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --max: 1280px;
  --pad-x: 80px;
  --pad-y: 112px;
  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
}

/* ----- Reset ----- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-en), var(--font-jp);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease, opacity 0.18s ease;
}
a:hover {
  color: var(--green-deep);
}
button {
  font: inherit;
  cursor: pointer;
}
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}
p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  top: 12px;
  left: 12px;
  width: auto;
  height: auto;
  padding: 8px 14px;
  background: var(--ink);
  color: #fff;
  z-index: 1000;
  border-radius: 6px;
}

/* honeypot */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease,
    border-color 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn--primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 191, 99, 0.28);
}
.btn--primary:hover {
  background: var(--green-deep);
  color: #fff;
  box-shadow: 0 8px 22px rgba(0, 191, 99, 0.32);
}
.btn--ghost {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn--ghost:hover {
  background: var(--ink);
  color: #fff;
}
.btn--sm {
  padding: 10px 16px;
  font-size: 13px;
}
.btn--block {
  width: 100%;
}

/* ----- Nav ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  background: rgba(250, 250, 247, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav__brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dim) 100%);
  position: relative;
  flex-shrink: 0;
}
.nav__brand-mark::after {
  content: "";
  position: absolute;
  inset: 6px 7px;
  background: linear-gradient(
    to top,
    #fff 0 18%,
    transparent 18% 30%,
    #fff 30% 55%,
    transparent 55% 67%,
    #fff 67% 100%
  );
  -webkit-mask: linear-gradient(to right, #000 0 22%, transparent 22% 30%, #000 30% 52%, transparent 52% 60%, #000 60% 82%, transparent 82% 90%, #000 90% 100%);
          mask: linear-gradient(to right, #000 0 22%, transparent 22% 30%, #000 30% 52%, transparent 52% 60%, #000 60% 82%, transparent 82% 90%, #000 90% 100%);
  opacity: 0.55;
}
.nav__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav__brand-jp {
  font-weight: 700;
  font-size: 15px;
}
.nav__brand-en {
  font-size: 11px;
  color: var(--sub);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
.nav__menu a {
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
}
.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav__menu a:hover::after {
  transform: scaleX(1);
}
.nav__cta-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--green-line);
  border-radius: var(--radius-pill);
  background: var(--green-soft);
  color: var(--green-deep);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.nav__pill-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 191, 99, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0, 191, 99, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(0, 191, 99, 0.05); }
}

/* ----- Common Section ----- */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
  position: relative;
}
.section--alt {
  background: var(--bg-alt);
  max-width: none;
  width: 100%;
}
.section--alt > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}
.section--alt > .ed-head {
  max-width: var(--max);
}
.section--alt {
  padding-left: 0;
  padding-right: 0;
}
.section--alt > .ed-head,
.section--alt > .strengths,
.section--alt > .works,
.section--alt > .skills,
.section--alt > .activities,
.section--alt > .engagements,
.section--alt > .engagements__lede {
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-deep);
  margin-bottom: 18px;
}

/* ----- Editorial Head (Variant B 採用) ----- */
.ed-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.ed-head__left {
  display: flex;
  align-items: flex-end;
  gap: 24px;
}
.ed-head__no {
  font-family: var(--font-mono);
  font-size: 60px;
  line-height: 1;
  font-weight: 500;
  color: var(--green);
  letter-spacing: -0.02em;
}
.ed-head__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sub);
  margin-bottom: 6px;
}
.ed-head__title {
  font-size: 38px;
  line-height: 1.15;
}
.ed-head__stamp,
.ed-head__link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sub);
  text-transform: uppercase;
  padding-bottom: 6px;
}
.ed-head__link {
  color: var(--green-deep);
}
.ed-head__link:hover {
  color: var(--green);
}

/* ----- Hero ----- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px var(--pad-x) 64px;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 56px;
  align-items: center;
}
.hero__title {
  font-size: 56px;
  line-height: 1.22;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  white-space: nowrap;
}
.hero__title .br-sp {
  display: none;
}
.hero__title .hl {
  color: var(--green);
  position: relative;
  white-space: nowrap;
}
.hero__title .hl::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: 4px;
  height: 14px;
  background: var(--green-soft);
  z-index: -1;
  border-radius: 4px;
}
.hero__sub {
  font-size: 17px;
  color: var(--sub);
  line-height: 1.85;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero__ctas {
  display: flex;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.hero__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sub);
  letter-spacing: 0.04em;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.hero__visual {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__visual-frame {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--green);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
}
.hero__visual-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 130%, rgba(255, 255, 255, 0.18), transparent 60%);
}
.hero__visual-frame img {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}
.hero__visual-cap {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--sub);
  text-transform: uppercase;
}

/* ----- KPI Strip (Variant C 採用) ----- */
.kpi-strip {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.kpi {
  padding: 28px 28px 24px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}
.kpi:last-child {
  border-right: none;
}
.kpi__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sub);
}
.kpi__value {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.kpi__unit {
  font-size: 13px;
  color: var(--sub);
  font-weight: 400;
  letter-spacing: 0;
}
.kpi__note {
  font-size: 12px;
  color: var(--green-deep);
  font-weight: 500;
}
.kpi__id {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sub-2);
  letter-spacing: 0.05em;
}

/* ----- About ----- */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 80px;
  align-items: start;
}
.about__lede p {
  font-size: 16px;
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.about__lede strong {
  color: var(--ink);
  background: linear-gradient(transparent 65%, var(--green-soft) 65%);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.timeline__item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.timeline__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.timeline__period {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sub);
  letter-spacing: 0.04em;
  padding-top: 4px;
}
.timeline__title {
  font-size: 17px;
  margin-bottom: 8px;
  letter-spacing: 0;
}
.timeline__desc {
  font-size: 14px;
  color: var(--sub);
  line-height: 1.85;
  margin-bottom: 14px;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 11px;
  color: var(--sub);
  background: #fff;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.award-list {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.award {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--green-soft);
  border: 1px solid var(--green-line);
  border-radius: var(--radius-sm);
  flex-wrap: wrap;
}
.award__label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green-deep);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.award__name {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.award__note {
  font-size: 12px;
  color: var(--sub);
  margin-left: auto;
}

/* ----- Strengths ----- */
.strengths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.strength {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.strength:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.strength__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  letter-spacing: 0.08em;
}
.strength__title {
  font-size: 20px;
  margin: 14px 0 4px;
}
.strength__en {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.strength__desc {
  font-size: 14px;
  color: var(--sub);
  line-height: 1.85;
}

/* ----- Services ----- */
.services__sub {
  font-size: 14px;
  font-family: var(--font-mono);
  color: var(--sub);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 8px 0 24px;
  padding-left: 12px;
  border-left: 3px solid var(--green);
}
.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.services--optional {
  margin-bottom: 0;
}
.service {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.service__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.service__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  letter-spacing: 0.08em;
}
.service__tool {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}
.service__title {
  font-size: 22px;
  margin-bottom: 14px;
}
.service__desc {
  font-size: 14px;
  color: var(--sub);
  line-height: 1.9;
  margin-bottom: 24px;
  flex: 1;
}

.process {
  display: flex;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.process__step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
}
.process__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.08em;
}
.process__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.process__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sub);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.service--mini {
  padding: 28px;
}
.service--mini .service__title {
  font-size: 18px;
}

/* ----- Works ----- */
.works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.work {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.work__frame {
  display: block;
  background: #1a1a1a;
  border-radius: 12px 12px 4px 4px;
  padding: 26px 12px 12px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: var(--shadow-sm);
}
.work__frame:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.work__frame-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 22px;
  background: #2a2a2a;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
}
.work__frame-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #555;
}
.work__frame-bar span:nth-child(1) { background: #ff5f57; }
.work__frame-bar span:nth-child(2) { background: #febc2e; }
.work__frame-bar span:nth-child(3) { background: #28c840; }
.work__frame img {
  border-radius: 4px;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #fff;
}
.work__en {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green-deep);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.work__title {
  font-size: 17px;
  margin-bottom: 8px;
}
.work__desc {
  font-size: 13px;
  color: var(--sub);
  line-height: 1.8;
}

/* ----- Cases ----- */
.cases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.case {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.case__head {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.case__industry {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.case__en {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.case__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 14px;
}
.case__lab {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green-deep);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.case__text {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
}

/* ----- Skills ----- */
.skills {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
}
.skills__lab {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-list li {
  padding: 8px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 500;
}
.cert-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cert-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}
.cert-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* ----- Activities ----- */
.activities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.activity {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.activity:hover {
  transform: translateY(-2px);
  border-color: var(--green-line);
  color: inherit;
}
.activity__type {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.activity__name {
  font-size: 17px;
  margin-bottom: 4px;
}
.activity__desc {
  font-size: 13px;
  color: var(--sub);
  line-height: 1.8;
  flex: 1;
}
.activity__link {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green-deep);
  letter-spacing: 0.04em;
}

/* ----- Contact ----- */
.section--contact {
  padding-bottom: 96px;
}
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 64px;
  align-items: start;
}
.contact__lede p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 2;
  margin-bottom: 28px;
}
.contact__direct {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.contact__direct li {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}
.contact__lab {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.contact__direct a {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px solid var(--green-line);
  padding-bottom: 1px;
}
.contact__direct a:hover {
  color: var(--green-deep);
  border-color: var(--green);
}

.form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 36px;
}
.form__row {
  margin-bottom: 18px;
}
.form__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.form__req {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--green-deep);
  background: var(--green-soft);
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.form__input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.form__input:focus {
  outline: none;
  border-color: var(--green);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 191, 99, 0.12);
}
textarea.form__input {
  resize: vertical;
  min-height: 140px;
  line-height: 1.7;
}
.form__note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--sub);
  line-height: 1.7;
}

/* ----- Footer ----- */
.footer {
  background: #0d0d0d;
  color: #d8d6cf;
  padding: 64px var(--pad-x) 32px;
}
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid #2a2a2a;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer__brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dim) 100%);
}
.footer__name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}
.footer__role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #888;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer__nav,
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
}
.footer__nav a,
.footer__links a {
  color: #b8b6af;
}
.footer__nav a:hover,
.footer__links a:hover {
  color: var(--green);
}
.footer__copy {
  max-width: var(--max);
  margin: 24px auto 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #555;
  letter-spacing: 0.08em;
  text-align: center;
}

/* ----- Reveal animation ----- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* =============================================================
   Responsive
   ============================================================= */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --pad-x: 48px;
    --pad-y: 96px;
  }
  .hero__title {
    font-size: 44px;
    white-space: normal;
  }
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero__visual-frame {
    max-width: 320px;
  }
  .kpi-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .kpi:nth-child(2) {
    border-right: none;
  }
  .kpi:nth-child(1),
  .kpi:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }
  .about__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .strengths,
  .works,
  .activities {
    grid-template-columns: repeat(2, 1fr);
  }
  .services {
    grid-template-columns: 1fr;
  }
  .case {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .skills {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .nav__menu {
    display: none;
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --pad-x: 22px;
    --pad-y: 72px;
  }
  body {
    font-size: 15px;
  }
  .nav__inner {
    padding: 12px var(--pad-x);
  }
  .nav__pill {
    display: none;
  }
  .nav__brand-en {
    display: none;
  }
  .hero {
    padding-top: 56px;
    padding-bottom: 48px;
  }
  .hero__title {
    font-size: 36px;
    line-height: 1.35;
    letter-spacing: -0.025em;
    white-space: normal;
  }
  .hero__title .br-sp {
    display: inline;
  }
  .hero__sub {
    font-size: 15px;
  }
  .hero__ctas .btn {
    flex: 1;
  }
  .hero__visual-frame {
    max-width: 260px;
  }
  .kpi-strip {
    grid-template-columns: 1fr;
    margin-top: 56px;
  }
  .kpi {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .kpi:last-child {
    border-bottom: none;
  }
  .kpi__value {
    font-size: 32px;
  }
  .ed-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 36px;
  }
  .ed-head__left {
    gap: 16px;
  }
  .ed-head__no {
    font-size: 44px;
  }
  .ed-head__title {
    font-size: 28px;
  }
  .timeline__item {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .strengths,
  .works,
  .activities {
    grid-template-columns: 1fr;
  }
  .service {
    padding: 24px;
  }
  .service__title {
    font-size: 19px;
  }
  .process {
    flex-direction: column;
  }
  .case__body {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .form {
    padding: 24px;
  }
  .footer {
    padding-top: 48px;
  }
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .award {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .award__note {
    margin-left: 0;
  }
}

/* =============================================================
   Added: Icons / Sparklines / Engagements / Skill bars
   ============================================================= */

/* Service tool icons */
.service__tool {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service__tool svg {
  color: var(--green-deep);
  flex-shrink: 0;
}

/* ----- Active Engagements ----- */
.engagements__lede {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin-top: -28px;
  margin-bottom: 36px;
}
.engagements {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.engagement {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px 28px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}
.engagement::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--green), var(--green-dim));
  opacity: 0.85;
}
.engagement:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-line);
}
.engagement__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.engagement__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--green-soft);
  color: var(--green-deep);
}
.engagement__icon svg {
  width: 22px;
  height: 22px;
}
.engagement__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--green-deep);
  background: var(--green-soft);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}
.engagement__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(0, 191, 99, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
.engagement__industry {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sub);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.engagement__title {
  font-size: 18px;
  line-height: 1.45;
  margin-top: -4px;
}
.engagement__desc {
  font-size: 14px;
  color: var(--sub);
  line-height: 1.85;
  flex: 1;
}
.engagement__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.engagement__chips li {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

/* ----- Skill bars ----- */
.skill-bars {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.skill-bars li {
  display: grid;
  grid-template-columns: 200px 1fr 36px;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}
.skill-bars__name {
  color: var(--ink-soft);
  font-weight: 500;
}
.skill-bars__track {
  height: 8px;
  background: var(--line-soft);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}
.skill-bars__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--green) 0%, var(--green-dim) 100%);
  border-radius: var(--radius-pill);
  transform: scaleX(0);
  transform-origin: left;
  animation: skillgrow 1.2s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  animation-delay: 0.2s;
}
@keyframes skillgrow {
  to { transform: scaleX(1); }
}
.skill-bars__pct {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green-deep);
  text-align: right;
  font-weight: 500;
}

/* ----- Activities icons ----- */
.activity {
  position: relative;
}
.activity__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  margin-bottom: 4px;
  flex-shrink: 0;
}
.activity__icon svg {
  width: 22px;
  height: 22px;
}
.activity__icon--blog {
  background: var(--green-soft);
  color: var(--green-deep);
}
.activity__icon--img {
  background: var(--green-soft);
  padding: 4px;
  overflow: hidden;
}
.activity__icon--img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}
.activity__icon--x {
  background: #111;
  color: #fff;
}
.activity__icon--yt {
  background: #ffe5e5;
  color: #c4302b;
}
.activity__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ----- Contact direct icons ----- */
.contact__direct li {
  grid-template-columns: 24px 80px 1fr;
}
.contact__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--green-deep);
}
.contact__icon svg {
  width: 18px;
  height: 18px;
}

/* ----- Footer icons ----- */
.footer__lab {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: #777;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer__icons {
  display: flex;
  gap: 14px;
  margin-bottom: 14px;
}
.footer__icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid #2a2a2a;
  border-radius: 50%;
  color: #b8b6af;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.footer__icons a:hover {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.footer__mail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #b8b6af;
  letter-spacing: 0.04em;
}
.footer__mail:hover {
  color: var(--green);
}

/* Responsive overrides for added blocks */
@media (max-width: 1024px) {
  .engagements {
    grid-template-columns: 1fr;
  }
  .skill-bars li {
    grid-template-columns: 160px 1fr 36px;
    gap: 12px;
  }
}
@media (max-width: 640px) {
  .skill-bars li {
    grid-template-columns: 1fr 36px;
    gap: 6px 12px;
  }
  .skill-bars__name {
    grid-column: 1 / -1;
    font-size: 12px;
  }
  .skill-bars__track {
    grid-column: 1 / 2;
  }
  .contact__direct li {
    grid-template-columns: 24px 1fr;
  }
  .contact__direct .contact__lab {
    display: none;
  }
  .engagement__title {
    font-size: 16px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}