:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --text: #1c1d21;
  --muted: #5b606d;
  --border: #e3e1dc;
  --accent: #0b6f6a;
  --accent-soft: #e2f1ef;
  --tag-bg: #f1efeb;
  --font: "Inter", "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115;
    --surface: #161920;
    --text: #e6e7ea;
    --muted: #a3a8b4;
    --border: #272b34;
    --accent: #5ccfc4;
    --accent-soft: #12302d;
    --tag-bg: #1d2029;
    color-scheme: dark;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  font-feature-settings: "palt" 1;
}

html[lang="ja"] body {
  line-height: 1.9;
  letter-spacing: 0.02em;
  word-break: auto-phrase;
}

h1,
h2,
h3,
p,
li {
  text-wrap: pretty;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Hero */
.hero {
  padding: 28px 0 44px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--accent-soft) 0%, transparent 100%);
}

.topbar {
  display: flex;
  justify-content: flex-end;
  min-height: 36px;
  margin-bottom: 36px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  text-decoration: none;
}

.lang-switch:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.name-sub {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  letter-spacing: 0.08em;
}

.hero-profile {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 176px;
  align-items: center;
  gap: 32px;
}

.hero-copy {
  min-width: 0;
}

.hero-portrait {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.name {
  margin: 2px 0 6px;
  font-size: 42px;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.role {
  margin: 0 0 6px;
  color: var(--accent);
  font-weight: 600;
}

.tagline {
  max-width: 40em;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.contact {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}

/* Sections */
main section {
  margin-top: 56px;
}

h2 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 0 20px;
  font-size: 21px;
  line-height: 1.4;
  text-wrap: balance;
}

h2::before {
  content: "";
  flex: none;
  width: 4px;
  height: 1.1em;
  margin-top: 0.15em;
  border-radius: 2px;
  background: var(--accent);
}

h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}

main p {
  margin: 0 0 14px;
}

.lead {
  color: var(--text);
}

.note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

/* Autonomous development system */
.highlights {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.highlights li {
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--accent);
}

.highlights h3 {
  margin-bottom: 2px;
}

.highlights p {
  margin: 0;
  color: var(--muted);
}

.more {
  margin: 20px 0 0;
}

.more a::after {
  content: "\00a0\2197";
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0 0;
}

.stats + .note {
  margin: 10px 0 24px;
}

.nowrap {
  white-space: nowrap;
}

.stat {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.stat-value {
  margin: 0;
  color: var(--accent);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 16px 18px 16px 58px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  counter-increment: step;
}

.step::before {
  content: counter(step);
  position: absolute;
  top: 16px;
  left: 18px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

.step h3 {
  margin-bottom: 4px;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

/* Experience */
.jobs {
  margin: 0;
  padding: 0;
  list-style: none;
}

.job {
  display: grid;
  grid-template-columns: 176px minmax(0, 1fr);
  gap: 6px 22px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}

.job:first-child {
  border-top: 0;
  padding-top: 4px;
}

.job-period {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  white-space: normal;
}

.job-org {
  font-size: 17px;
}

.job-position {
  margin: 2px 0 10px;
  color: var(--accent);
  font-size: 14.5px;
  font-weight: 600;
}

.job-points {
  margin: 0 0 12px;
  padding-left: 1.2em;
}

.job-points li {
  margin-bottom: 6px;
}

.job-points li::marker {
  color: var(--accent);
}

.job-tech {
  margin: 0;
}

.job-tech p {
  margin: 0;
}

.job-tech-group + .job-tech-group {
  margin-top: 10px;
}

.job-tech-heading {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}

.tag {
  display: inline-block;
  margin: 0 6px 6px 0;
  padding: 1px 10px;
  border-radius: 14px;
  background: var(--tag-bg);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0;
}

/* Skills */
.skills {
  display: grid;
  gap: 18px;
}

.skill-group h3 {
  margin-bottom: 8px;
}

.skill-group p {
  margin: 0;
}

/* Links */
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 14px;
  text-decoration: none;
}

.links a:hover {
  text-decoration: underline;
}

.links svg {
  flex: none;
  width: 20px;
  height: 20px;
}

.footer {
  margin-top: 64px;
  padding-bottom: 40px;
  color: var(--muted);
  font-size: 13px;
}

.footer p {
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding-bottom: 36px;
  }

  .hero-profile {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .hero-portrait {
    grid-row: 1;
    width: 132px;
  }

  .topbar {
    margin-bottom: 24px;
  }

  .name {
    font-size: 34px;
  }

  .tagline {
    font-size: 16px;
  }

  main section {
    margin-top: 44px;
  }

  .stats,
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .job {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
}

/* Print: the resume PDF and printing the public page */
@page {
  size: A4;
  margin: 14mm 15mm;
}

@media print {
  :root {
    --bg: #ffffff;
    --surface: #ffffff;
    --text: #16171a;
    --muted: #4c515c;
    --border: #d9d7d2;
    --accent: #0b6f6a;
    --accent-soft: #eef6f5;
    --tag-bg: #f1efeb;
  }

  body {
    font-size: 10pt;
    line-height: 1.6;
  }

  html[lang="ja"] body {
    line-height: 1.7;
  }

  .container {
    max-width: none;
    padding: 0;
  }

  .hero {
    padding: 0 0 12px;
    background: none;
  }

  .hero-profile {
    grid-template-columns: minmax(0, 1fr) 100px;
    gap: 20px;
  }

  .hero-portrait {
    grid-row: auto;
    width: 100%;
  }

  .topbar {
    display: none;
  }

  .name {
    font-size: 22pt;
  }

  .tagline {
    font-size: 10.5pt;
  }

  main section {
    margin-top: 18px;
  }

  h2 {
    margin-bottom: 10px;
    font-size: 13pt;
    break-after: avoid;
  }

  .stats {
    margin: 10px 0 0;
    gap: 8px;
  }

  .stats + .note {
    margin: 6px 0 12px;
  }

  .stat {
    padding: 8px 12px;
  }

  .stat-value {
    font-size: 16pt;
  }

  .steps {
    gap: 8px 18px;
  }

  .step {
    padding: 0 0 0 30px;
    border: 0;
    border-radius: 0;
    background: none;
    break-inside: avoid;
  }

  .step::before {
    top: 1px;
    left: 0;
    width: 20px;
    height: 20px;
  }

  .step p {
    font-size: 9pt;
  }

  .job {
    grid-template-columns: 27mm minmax(0, 1fr);
    gap: 4px 14px;
    padding: 10px 0;
    break-inside: avoid;
  }

  .job-period {
    white-space: normal;
    font-size: 9pt;
  }

  .tag {
    font-size: 8pt;
    padding: 0 7px;
  }

  .links a::after {
    content: " (" attr(href) ")";
    color: var(--muted);
  }

  .highlights {
    margin-top: 10px;
    gap: 6px;
  }

  .highlights li {
    padding: 2px 0 2px 12px;
    break-inside: avoid;
  }

  .more a::after {
    content: " (" attr(href) ")";
    color: var(--muted);
  }

  .footer {
    display: none;
  }
}