:root {
  --primary: #001e62;
  --accent: #b69b63;
  --canvas: #f2f3f5;
  --paper: #ffffff;
  --ink: #17202a;
  --body: #56616d;
  --muted: #8a929b;
  --hairline: #dde1e6;
  --hairline-strong: #c4cbd4;
  --max-width: 980px;
  --gutter: clamp(20px, 5vw, 56px);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: "Avenir Next", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  letter-spacing: 0.01em;
}

.resume-page {
  width: min(100% - (var(--gutter) * 2), var(--max-width));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 52px) 0;
}

.resume-header {
  padding-bottom: 24px;
  border-bottom: 2px solid var(--primary);
}

.label {
  margin: 0 0 12px;
  color: var(--primary);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

h1,
h2,
h3,
p,
dl {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  color: var(--primary);
  font-size: clamp(32px, 5.2vw, 48px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.42;
}

h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.42;
}

p {
  margin-bottom: 0;
  color: var(--body);
  font-size: 15px;
  line-height: 1.72;
}

ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--body);
  font-size: 15px;
  line-height: 1.68;
}

li + li {
  margin-top: 6px;
}

.experience-list ul {
  line-height: 1.52;
}

.experience-list li + li {
  margin-top: 4px;
}

.achievement {
  margin-top: 8px;
}

dt {
  display: block;
  margin-bottom: 8px;
  color: var(--primary);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.64fr);
  gap: clamp(30px, 5vw, 64px);
  padding: clamp(28px, 4vw, 40px) 0;
  border-bottom: 1px solid var(--hairline);
}

.summary-card {
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--hairline);
}

.summary-card dl {
  display: grid;
  gap: 20px;
  margin-bottom: 0;
}

dd {
  margin: 0;
  color: var(--body);
  font-size: 14px;
  line-height: 1.68;
}

.section {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 60px);
  padding: clamp(28px, 4vw, 40px) 0;
  border-bottom: 1px solid var(--hairline);
}

.section.compact {
  border-bottom: 0;
}

.section-title h2 {
  color: var(--primary);
  font-size: clamp(20px, 2.4vw, 25px);
  line-height: 1.24;
}

.experience-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--hairline-strong);
}

.experience-list article {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 34px);
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
}

time {
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.35;
}

.proof-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--hairline-strong);
}

.proof-list article {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: clamp(18px, 4vw, 34px);
  padding: 22px 0;
  border-bottom: 1px solid var(--hairline);
}

.proof-title-row {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.proof-title-row span {
  flex: 0 0 auto;
  padding: 2px 7px;
  color: var(--primary);
  background: #eef2f6;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.proof-title-row h3 {
  margin-bottom: 0;
  font-size: 15px;
}

.proof-points {
  display: grid;
  gap: 6px;
  margin: 0;
}

.proof-points dt {
  display: inline;
  margin: 0 4px 0 0;
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  font-style: normal;
  letter-spacing: 0;
}

.proof-points dd {
  display: inline;
  color: var(--body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.68;
}

@media (max-width: 780px) {
  .intro-grid,
  .section,
  .experience-list article,
  .proof-list article,
  .proof-points {
    grid-template-columns: 1fr;
  }

  .section {
    gap: 24px;
  }
}

@media (max-width: 520px) {
  .resume-page {
    padding: 30px 0;
  }

  .summary-card {
    padding: 20px;
  }

  .experience-list article,
  .proof-list article {
    padding: 20px 0;
  }
}