:root {
  color: #13243c;
  background: #f5f8fc;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  font-synthesis: none;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
}

a {
  color: #075c9f;
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 3px solid #ffbd2e;
  outline-offset: 4px;
}

.site-header {
  align-items: center;
  background: #04142d;
  display: flex;
  min-height: 72px;
  padding: 12px max(20px, calc((100% - 960px) / 2));
}

.brand {
  align-items: center;
  display: inline-flex;
  text-decoration: none;
}

.brand-wordmark {
  display: block;
  flex: 0 0 auto;
  height: 28px;
  overflow: hidden;
  position: relative;
  width: 112px;
}

.brand-wordmark .brand-wordmark-source {
  filter: grayscale(1) contrast(2.8) brightness(1.35);
  height: auto;
  left: -38px;
  max-width: none;
  mix-blend-mode: screen;
  position: absolute;
  top: -82px;
  width: 440px;
}

main {
  padding: 40px 18px 72px;
}

.policy {
  background: #ffffff;
  border: 1px solid #dce6f1;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(16, 48, 86, 0.08);
  margin: 0 auto;
  max-width: 960px;
  padding: clamp(24px, 6vw, 64px);
}

.eyebrow {
  color: #0879be;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  margin: 0 0 8px;
}

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

h1 {
  color: #071c3b;
  font-size: clamp(1.55rem, 6.5vw, 3.25rem);
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 20px;
}

h2 {
  color: #071c3b;
  font-size: clamp(1.25rem, 4.5vw, 1.55rem);
  line-height: 1.45;
  margin-bottom: 14px;
}

.lead {
  color: #405169;
  font-size: 1.02rem;
  margin-bottom: 28px;
}

.summary,
.operator {
  background: #eff7fc;
  border: 1px solid #cfe3f1;
  border-radius: 16px;
  margin-bottom: 42px;
  padding: 8px 18px;
}

.summary div,
.operator div {
  border-bottom: 1px solid #d6e7f2;
  display: grid;
  gap: 2px;
  padding: 12px 0;
}

.summary div:last-child,
.operator div:last-child {
  border-bottom: 0;
}

dt {
  color: #41536b;
  font-size: 0.86rem;
  font-weight: 800;
}

dd {
  color: #0e2848;
  font-weight: 700;
  margin: 0;
  overflow-wrap: anywhere;
}

section {
  border-top: 1px solid #e2e9f1;
  padding: 34px 0 12px;
}

section p,
section li {
  color: #34475f;
}

ul {
  padding-left: 1.4em;
}

li + li {
  margin-top: 7px;
}

.contact-card {
  background: #071c3b;
  border-radius: 18px;
  color: rgba(255, 255, 255, 0.86);
  margin: 34px 0 28px;
  padding: 24px;
}

.contact-card h2 {
  color: #ffffff;
}

.contact-card p {
  margin-bottom: 12px;
}

.contact-link {
  color: #ffd65c;
  display: inline-block;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.back-link {
  display: inline-block;
  font-weight: 800;
}

footer {
  background: #010714;
  color: rgba(255, 255, 255, 0.7);
  padding: 28px 18px;
  text-align: center;
}

footer p {
  margin: 0;
}

@media (min-width: 680px) {
  .summary div,
  .operator div {
    align-items: start;
    gap: 24px;
    grid-template-columns: 150px minmax(0, 1fr);
  }
}

@media (max-width: 359px) {
  .brand-wordmark {
    height: 23px;
    width: 90px;
  }

  .brand-wordmark .brand-wordmark-source {
    left: -30px;
    top: -66px;
    width: 354px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}