/* ---- Tokens ---- */
:root {
  --bg: #fafaf8;
  --surface: #f4f3ef;
  --surface-elevated: #ffffff;
  --text: #111827;
  --text-2: #4b5563;
  --text-3: #9ca3af;
  --accent: #1a3a5c;
  --accent-hover: #245080;
  --accent-subtle: rgba(26, 58, 92, 0.07);
  --border: rgba(26, 58, 92, 0.15);
  --border-light: rgba(26, 58, 92, 0.06);
}

/* ---- Base ---- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: block;
}

a:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---- Layout ---- */
.wrap {
  max-width: 740px;
  margin: 0 auto;
  padding: 0 28px;
}

section {
  padding: 76px 0;
  scroll-margin-top: 56px;
}

.section-rule {
  width: 36px;
  height: 1px;
  background: var(--accent);
  border: none;
  margin-bottom: 38px;
}

section h2 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 28px;
}

p {
  margin-bottom: 1.2em;
  color: var(--text-2);
}

p:last-child {
  margin-bottom: 0;
}

/* ---- Homepage sections ---- */
.orientation-list {
  list-style: none;
  margin: 0;
}

.orientation-intro {
  color: var(--text);
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.orientation-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--border-light);
}

.orientation-list li:first-child {
  border-top: 1px solid var(--border-light);
}

.orientation-list span {
  display: block;
  color: var(--text-2);
  font-size: 0.94rem;
  line-height: 1.55;
  margin-bottom: 4px;
}

.orientation-list a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.orientation-list a:hover,
.orientation-list a:focus-visible {
  color: var(--accent);
}

.orientation-list a:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

.diagnosis-first {
  padding-top: 68px;
}

.diagnosis-rows {
  border-top: 1px solid var(--border);
  margin: 0;
}

.diagnosis-rows div {
  display: grid;
  grid-template-columns: minmax(150px, 0.38fr) minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border-light);
}

.diagnosis-rows dt {
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.35;
  text-transform: uppercase;
}

.diagnosis-rows dd {
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.62;
}

.diagnosis-note {
  margin-top: 22px;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.6;
}

.diagnosis-note a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.diagnosis-note a:hover,
.diagnosis-note a:focus-visible {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

.diagnosis-note a:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

.intelligence-loop {
  padding-top: 68px;
}

.loop-line {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.loop-line span {
  padding: 18px 10px;
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.25;
  text-align: center;
  text-transform: uppercase;
  border-right: 1px solid var(--border-light);
}

.loop-line span:last-child {
  border-right: 0;
}

.loop-note {
  margin-top: 20px;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
}

.closing-contact {
  padding-bottom: 72px;
}

.writing-list {
  list-style: none;
  margin: 32px 0;
}

.writing-list li {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-light);
}

.writing-list li:first-child {
  border-top: 1px solid var(--border-light);
}

.writing-list a {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
  border-bottom: 1px solid transparent;
}

.writing-list a:hover,
.writing-list a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.writing-date {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 6px;
}

.writing-excerpt {
  font-size: 0.95rem;
  color: var(--text-2);
  margin-top: 6px;
  line-height: 1.6;
}

footer {
  padding: 32px 0 48px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

footer span {
  margin: 0 8px;
}

.statement {
  max-width: 680px;
  margin: 0 auto;
  padding: 116px 28px 92px;
  text-align: left;
}

.statement p {
  font-size: 1.15rem;
  line-height: 1.9;
  color: var(--text-2);
  margin-bottom: 1.75rem;
}

.statement h1 {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  letter-spacing: 0;
  margin-bottom: 2.5rem;
}

.opening-question {
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
  padding-bottom: 2.4rem;
}

.opening-question p {
  color: var(--text);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.55rem;
  line-height: 1.5;
  margin-bottom: 1.4rem;
}

.opening-question p:last-child {
  color: var(--text-2);
  font-size: 1.2rem;
  line-height: 1.65;
  margin-bottom: 0;
}

.statement > p:nth-of-type(2) {
  color: var(--text);
}

.statement > p:last-of-type {
  margin-bottom: 0;
  margin-top: 2.5rem;
  color: var(--text);
}

.statement > p a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.statement > p a:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

.contact-inline {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.contact-inline:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

.text-link {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

.text-link::after {
  content: ' →';
}

.text-link:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

@media (max-width: 680px) {
  html {
    font-size: 16px;
  }

  section {
    padding: 54px 0;
  }

  .diagnosis-rows div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .loop-line {
    grid-template-columns: 1fr;
  }

  .loop-line span {
    text-align: left;
    border-right: 0;
    border-bottom: 1px solid var(--border-light);
  }

  .loop-line span:last-child {
    border-bottom: 0;
  }

  .statement {
    padding: 84px 28px 62px;
  }

  .statement p {
    font-size: 1.05rem;
  }

  .statement h1 {
    font-size: 2.1rem;
    margin-bottom: 1.5rem;
  }

  .opening-question {
    margin-bottom: 2.25rem;
    padding-bottom: 2rem;
  }

  .opening-question p {
    font-size: 1.28rem;
  }

  .opening-question p:last-child {
    font-size: 1.05rem;
  }
}

@media (max-width: 420px) {
  .wrap,
  .statement {
    padding-left: 24px;
    padding-right: 24px;
  }

  .statement h1 {
    font-size: 2rem;
  }

  .text-link,
  .writing-list a,
  .orientation-list a {
    overflow-wrap: anywhere;
  }
}

@media print {
  :root {
    --bg: #fff;
    --surface: #f9f9f9;
    --surface-elevated: #fff;
    --text: #111;
    --text-2: #444;
    --text-3: #888;
    --accent: #1a3a5c;
    --border: #ddd;
    --border-light: #eee;
  }

  html {
    font-size: 10.5pt;
  }

  body {
    line-height: 1.5;
  }

  .wrap {
    max-width: 100%;
    padding: 0 16px;
  }

  section {
    padding: 20px 0;
    page-break-inside: avoid;
  }

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

  footer {
    display: none;
  }
}