/* ==========================================================
   Tapir — Site-wide styles
   Pure black & white, redesigned for a sharper, moodier feel.
   Revert: this file's previous version is saved as
   style-before-redesign.css — copy it back over style.css to undo
   everything in this pass (content/copy edits are unaffected).
   ========================================================== */

:root {
  --black: #0b0b0d;
  --white: #ffffff;
  --gray-900: #16161a;
  --gray-700: #4c4c56;
  --gray-500: #7a7a86;
  --gray-300: #dcdce2;
  --gray-100: #f3f3f6;
  --max-width: 1120px;
  --radius: 18px;
  --radius-sm: 10px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", -apple-system,
    BlinkMacSystemFont, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Faint fixed grain, purely decorative -- adds print-like texture without
   costing a network request (inline SVG feTurbulence data URI). */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
  position: relative;
}

@media (max-width: 720px) {
  section {
    padding: 64px 0;
  }
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.15;
  text-wrap: balance;
}

p {
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--black);
  flex-shrink: 0;
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  margin-bottom: 20px;
}

.section-lead {
  color: var(--gray-700);
  font-size: 16px;
  max-width: 640px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-300);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 28px;
  width: auto;
  display: block;
}

.footer-logo .logo img {
  height: 24px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 14px;
  font-weight: 700;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--black);
  transition: width 0.25s var(--ease);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--black);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 11px 22px;
  border-radius: 999px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-2px);
  background: var(--white);
  color: var(--black);
  box-shadow: 0 12px 24px rgba(11, 11, 13, 0.2);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--black);
  display: block;
}

@media (max-width: 860px) {
  .nav-links, .nav-cta {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: fixed;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-300);
    padding: 8px 24px 20px;
  }
  .nav.open .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
    width: 100%;
  }
  .nav.open .nav-cta {
    display: inline-block;
    position: fixed;
    left: 24px;
    right: 24px;
    bottom: 24px;
    text-align: center;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding: 136px 0 108px;
  text-align: center;
  border-bottom: 1px solid var(--gray-300);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -220px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 560px;
  background: radial-gradient(closest-side, rgba(11, 11, 13, 0.06), transparent 70%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
}

.hero .eyebrow {
  margin-bottom: 24px;
  justify-content: center;
}

.hero h1 {
  font-size: clamp(34px, 6.4vw, 64px);
  line-height: 1.2;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero p {
  max-width: 620px;
  margin: 0 auto 40px;
  color: var(--gray-700);
  font-size: 16px;
}

.btn-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 15px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  border: 1.5px solid transparent;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn-primary {
  background: var(--black);
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--white);
  color: var(--black);
  box-shadow: 0 16px 32px rgba(11, 11, 13, 0.22);
  border-color: var(--black);
}

.btn-outline {
  border-color: var(--black);
  color: var(--black);
}

.btn-outline:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-2px);
}

/* ---------- Story / Concept blocks ---------- */

.concept {
  border-bottom: 1px solid var(--gray-300);
}

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

@media (max-width: 860px) {
  .concept-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

.concept-visual {
  background: var(--black);
  border-radius: var(--radius);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.concept-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1), transparent 55%);
  pointer-events: none;
}

.concept-visual img,
.concept-visual svg {
  position: relative;
  width: 70%;
  height: auto;
}

.concept-text p + p {
  margin-top: 18px;
}

.concept-text .section-lead {
  max-width: none;
}

.quote {
  margin-top: 28px;
  padding-left: 20px;
  border-left: 3px solid var(--black);
  font-weight: 700;
  font-size: 18px;
}

/* ---------- Services grid ---------- */

.services {
  border-bottom: 1px solid var(--gray-300);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.service-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 900px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.logo-badge {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  width: fit-content;
  max-width: 100%;
}

.logo-badge img {
  height: 28px;
  width: auto;
  max-width: 100%;
}

.logo-badge.placeholder {
  background: transparent;
  border: 1.5px dashed var(--gray-300);
  padding: 13px 20px;
}

.logo-badge.placeholder span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--gray-500);
}

.product-visual .logo-badge {
  padding: 18px 26px;
}

.product-visual .logo-badge img {
  height: 40px;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--black), transparent 80%);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--black);
  box-shadow: 0 24px 48px rgba(11, 11, 13, 0.12);
}

.service-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--white);
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  width: fit-content;
}

.service-tag.soon {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--gray-300);
}

.service-card h3 {
  font-size: 22px;
}

.service-card .app-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: 0.05em;
}

.service-card p {
  color: var(--gray-700);
  font-size: 14.5px;
}

.service-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--gray-700);
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-card .card-link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 700;
  border-bottom: 1.5px solid var(--black);
  width: fit-content;
  padding-bottom: 2px;
  color: var(--black);
}

/* ---------- Stats / values ---------- */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

@media (max-width: 860px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
}

.value-card {
  padding: 32px 24px;
  background: var(--gray-100);
  border-radius: var(--radius);
  border-top: 3px solid var(--black);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(20, 20, 30, 0.08);
}

.value-index {
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 14px;
  display: block;
  letter-spacing: 0.1em;
}

.value-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.value-card p {
  color: var(--gray-700);
  font-size: 14px;
}

/* ---------- Draft note ---------- */

.draft-note {
  margin-top: 40px;
  padding: 18px 22px;
  border: 1px dashed var(--gray-500);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--gray-700);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.draft-note strong {
  color: var(--black);
}

/* ---------- Table (company profile) ---------- */

.profile-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 48px;
}

.profile-table tr {
  border-top: 1px solid var(--gray-300);
  transition: background 0.2s var(--ease);
}

.profile-table tr:last-child {
  border-bottom: 1px solid var(--gray-300);
}

.profile-table tr:hover {
  background: var(--gray-100);
}

.profile-table th, .profile-table td {
  text-align: left;
  padding: 20px 12px;
  font-size: 14.5px;
  font-weight: 400;
  vertical-align: top;
}

.profile-table th {
  width: 180px;
  color: var(--gray-500);
  font-weight: 700;
}

/* ---------- Timeline / origin ---------- */

.origin-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

@media (max-width: 860px) {
  .origin-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--black);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: -180px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 420px;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.08), transparent 70%);
  pointer-events: none;
}

.cta-band .wrap {
  position: relative;
}

.cta-band .section-title {
  color: var(--white);
}

.cta-band p {
  color: var(--gray-300);
  max-width: 520px;
  margin: 0 auto 36px;
}

.cta-band .btn-primary {
  background: var(--white);
  color: var(--black);
}

.cta-band .btn-primary:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--white);
}

.cta-band .btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

.cta-band .btn-outline:hover {
  background: var(--white);
  color: var(--black);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--black);
  color: var(--gray-300);
  padding: 56px 0 28px;
  font-size: 13px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-logo svg {
  height: 26px;
  width: auto;
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-links h4 {
  font-size: 12px;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: 0.1em;
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  position: relative;
  width: fit-content;
}

.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--white);
  transition: width 0.25s var(--ease);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-links a:hover::after {
  width: 100%;
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--gray-500);
}

/* ---------- Contact form ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}

@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-item {
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--gray-300);
}

.contact-info-item h4 {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-group .req {
  color: var(--gray-500);
  font-weight: 400;
  margin-left: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: 13px 14px;
  font-family: inherit;
  font-size: 14px;
  background: var(--white);
  color: var(--black);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(11, 11, 13, 0.08);
}

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

.form-submit {
  border: none;
  cursor: pointer;
  width: 100%;
}

.form-note {
  font-size: 12.5px;
  color: var(--gray-500);
  margin-top: 14px;
}

.form-success {
  display: none;
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--gray-100);
  border-left: 3px solid var(--black);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
}

.form-success.visible {
  display: block;
}

.form-error {
  display: none;
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--gray-100);
  border-left: 3px solid var(--black);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 700;
}

.form-error.visible {
  display: block;
}

/* Honeypot field: off-screen rather than display:none so naive bots still fill it. */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Legal / long-form text pages ---------- */

.legal-content {
  max-width: 760px;
}

.legal-content h2 {
  font-size: 20px;
  margin-top: 48px;
  margin-bottom: 16px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  color: var(--gray-700);
  font-size: 14.5px;
  margin-bottom: 14px;
}

.legal-content ul, .legal-content ol {
  color: var(--gray-700);
  font-size: 14.5px;
  padding-left: 22px;
  margin: 0 0 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legal-content .updated {
  color: var(--gray-500);
  font-size: 13px;
  margin-bottom: 40px;
}

/* ---------- News list ---------- */

.news-list {
  display: flex;
  flex-direction: column;
  margin-top: 48px;
  border-top: 1px solid var(--gray-300);
}

.news-item {
  display: grid;
  grid-template-columns: 140px 100px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--gray-300);
  transition: background 0.2s var(--ease);
}

.news-item:hover {
  background: var(--gray-100);
}

@media (max-width: 700px) {
  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.news-item time {
  color: var(--gray-500);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.news-cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--black);
  border: 1px solid var(--black);
  border-radius: 999px;
  padding: 4px 12px;
  width: fit-content;
  height: fit-content;
}

.news-item h3 {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 6px;
}

.news-item p {
  color: var(--gray-700);
  font-size: 13.5px;
  margin: 0;
}

/* ---------- Recruit ---------- */

.job-card {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.job-card:hover {
  border-color: var(--black);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(20, 20, 30, 0.08);
}

.job-card h3 {
  font-size: 18px;
}

.job-card .job-type {
  font-size: 12px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.05em;
}

.job-card p {
  color: var(--gray-700);
  font-size: 14px;
}

.job-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

@media (max-width: 760px) {
  .job-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Page header (sub pages) ---------- */

.page-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--gray-300);
}

.page-hero .eyebrow {
  margin-bottom: 18px;
}

.page-hero h1 {
  font-size: clamp(28px, 5vw, 44px);
}

.page-hero p {
  margin-top: 18px;
  color: var(--gray-700);
  max-width: 560px;
  font-size: 15px;
}

.breadcrumb {
  font-size: 12.5px;
  color: var(--gray-500);
  margin-bottom: 18px;
}

.breadcrumb a:hover {
  color: var(--black);
}