/* ============ SPIKE Inc. — Editorial redesign ============ */
:root {
  --bg: #f5f2ec;
  --paper: #fbfaf5;
  --ink: #111111;
  --ink-2: #2a2a2a;
  --muted: #6b6a63;
  --line: #c9c5ba;
  --line-soft: #e2ded2;
  --accent: #8a1e1e;
  --serif: "Noto Serif JP", "Hiragino Mincho ProN", "YuMincho", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "YuGothic", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  line-height: 1.75;
  font-size: 15px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ============ shared rules ============ */
.serif { font-family: var(--serif); font-weight: 500; letter-spacing: 0.02em; }
.mono { font-family: var(--mono); letter-spacing: 0; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 720px) {
  .container { padding: 0 24px; }
}

/* ============ Top meta bar ============ */
.metabar {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.metabar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 48px;
  gap: 16px;
}
.metabar-left { display: flex; gap: 24px; flex-wrap: wrap; }
.metabar-left b { color: var(--ink); font-weight: 600; }
@media (max-width: 720px) {
  .metabar-inner { padding: 10px 20px; font-size: 10px; }
  .metabar-left { gap: 12px; }
  .metabar-right { display: none; }
}

/* ============ Nav ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(245, 242, 236, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 18px 48px;
  gap: 32px;
}
.nav-logo {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.14em;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.nav-logo-jp { font-family: var(--sans); font-size: 11px; color: var(--muted); letter-spacing: 0.12em; font-weight: 400; }
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}
.nav-links a { color: var(--ink-2); transition: color .2s; }
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  border: 1px solid var(--ink);
  padding: 8px 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  transition: all .2s;
}
.nav-cta:hover { background: var(--ink); color: var(--bg); }
@media (max-width: 900px) {
  .nav-inner { padding: 14px 20px; gap: 12px; }
  .nav-links { display: none; }
}

/* ============ Masthead ============ */
.masthead {
  border-bottom: 1px solid var(--ink);
  padding: 30px 0 14px;
}
.masthead-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}
.masthead-edition {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}
.masthead-title {
  font-family: var(--serif);
  font-size: clamp(64px, 12vw, 160px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin: 0;
  font-weight: 500;
}
.masthead-sub {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-align: right;
}
.masthead-date {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 6px;
}
@media (max-width: 720px) {
  .masthead-inner { flex-direction: column; align-items: flex-start; }
  .masthead-sub { text-align: left; }
}

/* ============ Hero ============ */
.hero {
  padding: 80px 0 120px;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: end;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin: 0;
}
.hero-title em {
  font-style: normal;
  color: var(--accent);
}
.hero-lead {
  font-size: 16px;
  line-height: 2;
  color: var(--ink-2);
  max-width: 460px;
  margin: 0 0 32px;
}
.hero-lead b { font-weight: 600; color: var(--ink); }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.08em;
  font-weight: 500;
  transition: all .2s;
  border: 1px solid var(--ink);
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.hero-scroll {
  margin-top: 80px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero-scroll::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
  max-width: 200px;
}
@media (max-width: 860px) {
  .hero { padding: 48px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-lead { margin-bottom: 24px; }
}

/* ============ Section chapter heading ============ */
.chapter {
  padding: 120px 0 40px;
  border-bottom: 1px solid var(--line);
}
.chapter-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: baseline;
  margin-bottom: 80px;
}
.chapter-mark {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  border-top: 1px solid var(--ink);
  padding-top: 14px;
}
.chapter-title {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin: 0 0 8px;
}
.chapter-en {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}
.chapter-lead {
  font-size: 16px;
  line-height: 2;
  color: var(--ink-2);
  max-width: 640px;
  margin-top: 24px;
}
@media (max-width: 720px) {
  .chapter { padding: 72px 0 24px; }
  .chapter-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 48px; }
}

/* ============ Philosophy (3 values) ============ */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  padding-bottom: 80px;
}
.value {
  padding: 40px 32px 40px 0;
  border-right: 1px solid var(--line-soft);
  position: relative;
}
.value:nth-child(3n) { border-right: none; }
.value:nth-child(n+2) { padding-left: 32px; }
.value-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 24px;
}
.value-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.5;
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}
.value-body {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-2);
}
@media (max-width: 860px) {
  .values { grid-template-columns: 1fr; }
  .value { padding: 32px 0; border-right: none; border-bottom: 1px solid var(--line-soft); }
  .value:last-child { border-bottom: none; }
  .value:nth-child(n+2) { padding-left: 0; }
}

/* ============ Services ============ */
.services-list {
  padding-bottom: 80px;
}
.service-row {
  display: grid;
  grid-template-columns: 80px 1fr 1.4fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--line-soft);
  align-items: baseline;
  transition: background .2s;
}
.service-row:first-child { border-top: 1px solid var(--ink); }
.service-row:last-child { border-bottom: 1px solid var(--ink); }
.service-row:hover { background: var(--paper); }
.service-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.service-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.service-name small {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-top: 6px;
  font-weight: 400;
}
.service-desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-2);
  margin: 0;
}
@media (max-width: 860px) {
  .service-row { grid-template-columns: 1fr; gap: 12px; padding: 24px 0; }
}

.stack-strip {
  margin: 60px 0 0;
  padding: 32px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
}
.stack-strip span { white-space: nowrap; }
.stack-strip span::before { content: "·"; margin-right: 24px; color: var(--line); }
.stack-strip span:first-child::before { display: none; }

/* ============ Works ============ */
.works {
  padding-bottom: 80px;
}
.work {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 48px;
  padding: 40px 0;
  border-top: 1px solid var(--line-soft);
}
.work:first-child { border-top: 1px solid var(--ink); }
.work:last-child { border-bottom: 1px solid var(--ink); }
.work-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  padding-top: 6px;
}
.work-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.5;
  margin: 0 0 14px;
  letter-spacing: 0.02em;
}
.work-desc {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-2);
  margin: 0 0 18px;
  max-width: 640px;
}
.work-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.work-stack span::before { content: "/ "; color: var(--line); }
.work-stack span:first-child::before { display: none; }
@media (max-width: 720px) {
  .work { grid-template-columns: 1fr; gap: 14px; padding: 28px 0; }
}

/* ============ Pricing ============ */
.pricing-wrap { padding-bottom: 80px; }

/* ============ Engagement (v2) ============ */
.engagements {
  list-style: none;
  padding: 0;
  margin: 0 0 40px;
  border-top: 1px solid var(--rule);
}
.engagement {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.engagement-num {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  line-height: 1;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.engagement-body { min-width: 0; }
.engagement-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.engagement-en {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.engagement-desc {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0;
  max-width: 58ch;
}
.engagement-note {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dotted var(--rule);
  max-width: 64ch;
}
@media (max-width: 720px) {
  .engagement {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 28px 0;
  }
  .engagement-num { font-size: 32px; }
  .engagement-name { font-size: 19px; gap: 10px; }
}
.pricing-base {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.6;
  margin: 0 0 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}
.pricing-base-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}
.pricing-base-val {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.pricing-base-val big {
  font-size: 36px;
  margin: 0 4px;
}
.pricing-base-note {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.plans {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.plan {
  padding: 32px 32px 32px 0;
  border-bottom: 1px solid var(--line-soft);
  border-right: 1px solid var(--line-soft);
}
.plan:nth-child(2n) { padding-right: 0; padding-left: 32px; border-right: none; }
.plan:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
.plan-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 0 0 8px;
}
.plan-price {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.plan-price b { font-size: 22px; font-weight: 600; color: var(--ink); }
.plan-desc {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0;
}
.plan-note {
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dotted var(--rule);
}
@media (max-width: 720px) {
  .plans { grid-template-columns: 1fr; }
  .plan { padding: 24px 0 !important; border-right: none; }
}

.pricing-tax {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 32px 0 0;
}

/* ============ CEO panel ============ */
.ceo {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 80px 0;
}
.ceo-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}
.ceo-photo {
  border: 1px solid var(--line);
  aspect-ratio: 4/5;
  background: #eae7df;
}
.ceo-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-top: 6px;
  border-top: 1px solid var(--ink);
  display: inline-block;
  padding-right: 40px;
}
.ceo-name {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin: 0 0 6px;
}
.ceo-name small {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  font-weight: 400;
  margin-top: 6px;
}
.ceo-quote {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.9;
  margin: 32px 0;
  letter-spacing: 0.02em;
  max-width: 640px;
}
.ceo-quote::before { content: "“"; font-size: 48px; color: var(--accent); vertical-align: -12px; margin-right: 4px; }
.ceo-bio {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  font-size: 13px;
  max-width: 560px;
}
.ceo-bio li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 8px 0;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-2);
}
.ceo-bio li span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
@media (max-width: 860px) {
  .ceo-inner { grid-template-columns: 1fr; gap: 32px; }
  .ceo-photo { max-width: 240px; }
}

/* ============ Contact ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  padding-bottom: 80px;
}
.contact-note {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-2);
}
.contact-note p { margin: 0 0 16px; }
.contact-note b { font-family: var(--serif); font-size: 18px; font-weight: 500; }
.form {
  display: grid;
  gap: 20px;
}
.form-row label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.form-row label sup { color: var(--accent); margin-left: 4px; }
.form-row input, .form-row textarea {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  font-family: var(--sans);
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.form-submit {
  background: var(--ink);
  color: var(--bg);
  padding: 16px 32px;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.14em;
  font-weight: 500;
  justify-self: start;
  margin-top: 8px;
  transition: background .2s;
}
.form-submit:hover { background: var(--accent); }
.form-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.form-error {
  color: var(--accent);
  font-size: 13px;
  line-height: 1.7;
  padding: 12px 14px;
  border: 1px solid var(--accent);
  background: rgba(138, 30, 30, 0.04);
  margin-top: 8px;
}
.form-disclaimer {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 8px;
}
.form-success {
  padding: 32px;
  border: 1px solid var(--ink);
  background: var(--paper);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.8;
}
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--ink);
  background: var(--paper);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand .nav-logo { font-size: 28px; }
.footer-brand p {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-top: 16px;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  margin: 0 0 16px;
  font-weight: 500;
}
.footer-col dl { margin: 0; display: grid; gap: 6px; font-size: 13px; }
.footer-col dt { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: 0.12em; }
.footer-col dd { margin: 0 0 10px; color: var(--ink-2); line-height: 1.8; }
.footer-col ol {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  display: grid;
  gap: 10px;
}
.footer-col ol li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 8px;
  color: var(--ink-2);
}
.footer-col ol li span { color: var(--muted); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  gap: 24px;
  flex-wrap: wrap;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============ Tweaks panel ============ */
.tweaks {
  position: fixed;
  bottom: 16px;
  right: 16px;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  z-index: 100;
  min-width: 220px;
  box-shadow: 6px 6px 0 var(--ink);
}
.tweaks h5 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.1em;
  font-weight: 500;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}
.tweaks-row { margin-bottom: 10px; }
.tweaks-row label { display: block; color: var(--muted); margin-bottom: 4px; font-size: 10px; letter-spacing: 0.14em; }
.tweaks-row select, .tweaks-row input {
  width: 100%;
  font: inherit;
  padding: 4px 6px;
  border: 1px solid var(--line);
  background: #fff;
}