/* h1d3mun3.github.io — shared stylesheet for / (en) and /ja/.
   Tokens and component names follow docs/design/DESIGN.md. */

:root {
  --graphite: #1C1C1C;
  --paper: #E8E6E1;
  --signal: #E8571A;
  --stone: #B9B5AC;

  --band: #DEDBD4;
  --card: #F3F1EC;
  --ink-2: #3A3936;
  --ink-3: #4A4844;
  --signal-text: #B8400C;
  --on-dark-2: #D6D3CC;
  --on-dark-border: #6B6964;
  --on-dark-rule: #3A3A38;
}

html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); }

/* Zero specificity, so any component class sets its own link colour (as the inline styles did). */
:where(a) { color: var(--graphite); }
:where(a:hover) { color: var(--signal-text); }
a:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

/* Components */
.page {
  font-family: 'IBM Plex Sans JP', sans-serif;
  color: var(--graphite);
  background: var(--paper);
  line-height: 1.7;
  font-size: 16px;
}
html[lang="en"] .page {
  line-height: 1.65;
}
.bg-graphite {
  background: var(--graphite);
  color: var(--paper);
}
.bg-band {
  background: var(--band);
}
.bg-signal {
  background: var(--signal);
  color: var(--graphite);
}
.bg-footer {
  background: var(--graphite);
  color: var(--stone);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.wordmark {
  display: flex;
  align-items: center;
  min-height: 32px;
  text-decoration: none;
  color: var(--paper);
}
.wordmark__text {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 24px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
}
.nav-link {
  color: var(--paper);
  text-decoration: none;
  padding: 10px 0;
}
.lang-switch {
  color: var(--paper);
  text-decoration: none;
  padding: 10px 0 10px 24px;
  border-left: 1px solid var(--on-dark-rule);
}
.hero {
  border-bottom: 2px solid var(--graphite);
}
.container--hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 88px 24px 72px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr));
  gap: 56px;
  align-items: end;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.eyebrow {
  margin: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero-name {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hero-name__main {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.02em;
}
html[lang="en"] .hero-name__main {
  font-size: clamp(44px, 6.4vw, 80px);
  letter-spacing: -0.02em;
}
.hero-name__alias {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.01em;
}
.hero-tagline {
  margin: 8px 0 0;
  font-size: 22px;
  line-height: 1.6;
  font-weight: 500;
  max-width: 560px;
}
html[lang="en"] .hero-tagline {
  line-height: 1.5;
  max-width: 580px;
}
.availability-panel {
  background: var(--graphite);
  color: var(--paper);
  border-radius: 10px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.availability-panel__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--signal);
}
.availability-panel__kinds {
  margin: 0;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.6;
}
html[lang="en"] .availability-panel__kinds {
  line-height: 1.5;
}
.availability-panel__text {
  margin: 0;
  color: var(--on-dark-2);
}
.btn-primary {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  background: var(--signal);
  color: var(--graphite);
  text-decoration: none;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 15px;
  border-radius: 6px;
}
.stat-row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  border-top: 1px solid var(--stone);
}
.stat--first {
  padding: 28px 32px 32px 0;
  border-right: 1px solid var(--stone);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat {
  padding: 28px 32px 32px;
  border-right: 1px solid var(--stone);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat--last {
  padding: 28px 0 32px 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat__num {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 36px;
  line-height: 1.2;
}
.container--help {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 24px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.container--list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.container--projects {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 56px;
}
.container--contact {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 48px;
  align-items: end;
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 2px solid var(--graphite);
  padding-bottom: 16px;
}
.section-title {
  margin: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 40px;
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 15px;
  color: var(--ink-3);
}
.section-sub-group {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
}
.section-note {
  font-size: 14px;
  color: var(--ink-3);
}
.section-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
}
.section-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  padding: 10px 0;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 24px;
}
.case-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  border: 1px solid var(--stone);
  border-radius: 10px;
  background: var(--card);
}
.case-card__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--signal-text);
}
.area-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 40px 32px;
  padding-top: 16px;
}
.area-list__col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--graphite);
  padding-top: 16px;
}
.area-list__title {
  margin: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 18px;
}
.area-list__items {
  margin: 0;
  padding-left: 1.1em;
  color: var(--ink-2);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.row-list__item {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 8px 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--stone);
}
.row-list__title {
  font-size: 18px;
}
.inline-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  white-space: nowrap;
}
.timeline-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--stone);
  align-items: baseline;
}
.timeline-row--link {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  padding: 24px 0;
  text-decoration: none;
  color: var(--graphite);
  align-items: baseline;
}
.timeline-row__item {
  border-bottom: 1px solid var(--stone);
}
.timeline-row__year {
  flex: 0 0 64px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 15px;
}
.timeline-row__venue {
  flex: 0 1 220px;
  color: var(--ink-3);
}
.timeline-row__title {
  flex: 999 1 380px;
  font-size: 17px;
  font-weight: 500;
}
.timeline-row__links {
  display: flex;
  gap: 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
}
.lt-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 32px;
}
.lt-list__title {
  margin: 0 0 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 15px;
  color: var(--ink-3);
}
.lt-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 32px;
  padding: 10px 0;
  text-decoration: none;
  color: var(--graphite);
}
.lt-row__year {
  flex: 0 0 64px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
}
.lt-row__venue {
  flex: 0 1 220px;
  color: var(--ink-3);
  font-size: 14px;
}
.lt-row__title {
  flex: 999 1 380px;
}
.stack-24 {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.stack-4 {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.lead {
  margin: 0;
  font-size: 20px;
  line-height: 1.6;
  font-weight: 500;
}
html[lang="en"] .lead {
  line-height: 1.5;
}
.subhead--dark {
  margin: 0 0 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 15px;
  color: var(--stone);
}
.link-row--dark {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 18px 0;
  border-top: 1px solid var(--on-dark-rule);
  text-decoration: none;
  color: var(--paper);
}
.link-row--dark-last {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 18px 0;
  border-top: 1px solid var(--on-dark-rule);
  border-bottom: 1px solid var(--on-dark-rule);
  text-decoration: none;
  color: var(--paper);
}
.link-row--dark-static {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 18px 0;
  border-top: 1px solid var(--on-dark-rule);
}
.link-row--contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--graphite);
  text-decoration: none;
  color: var(--graphite);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 16px;
}
.link-list--contact {
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--graphite);
}
.link-list {
  display: flex;
  flex-direction: column;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
}
.mono {
  font-family: 'IBM Plex Mono', monospace;
}
.ink-2 {
  color: var(--ink-2);
}
.accent {
  color: var(--signal);
}
.on-dark {
  color: var(--paper);
}
.on-dark-2 {
  color: var(--on-dark-2);
}
.tap {
  padding: 10px 0;
}
.m0 {
  margin: 0;
}