:root {
  --ink: #17211d;
  --ink-soft: #53605a;
  --paper: #ffffff;
  --mist: #f3f6f3;
  --line: #dce3df;
  --orange: #f15a24;
  --yellow: #fbb03b;
  --green: #39b54a;
  --green-dark: #1d5639;
  --max-width: 1000px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 16px;
  color: #fff;
  background: var(--ink);
  border-radius: 4px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sub-header {
  height: 84px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(calc(100% - 48px), 1380px);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: block;
  width: min(290px, 55vw);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--orange);
}

.page-hero {
  padding: 92px 0 82px;
  background:
    linear-gradient(rgba(23, 33, 29, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 33, 29, 0.04) 1px, transparent 1px),
    var(--mist);
  background-size: 52px 52px;
}

.page-hero .container {
  position: relative;
}

.page-hero .container::before {
  position: absolute;
  content: "";
  width: 64px;
  height: 5px;
  top: -28px;
  left: 0;
  background: linear-gradient(90deg, var(--orange) 33%, var(--yellow) 33% 66%, var(--green) 66%);
}

.page-hero p {
  margin: 0 0 8px;
  color: var(--green-dark);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: 0.04em;
}

.news-section {
  min-height: 460px;
  padding: 100px 0 130px;
}

.news-empty {
  padding: 80px 30px;
  background: #fff;
  border: 1px solid var(--line);
  text-align: center;
}

.news-empty__mark {
  display: grid;
  width: 74px;
  height: 74px;
  margin: 0 auto 32px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--orange), var(--yellow) 52%, var(--green));
  border-radius: 50%;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
}

.news-empty h2 {
  margin: 0 0 12px;
  font-size: 1.45rem;
}

.news-empty p:last-child {
  margin: 0;
  color: var(--ink-soft);
}

.policy {
  padding-top: 90px;
  padding-bottom: 130px;
}

.policy-intro {
  margin: 0 0 80px;
  padding: 34px 38px;
  background: var(--mist);
}

.policy section {
  padding: 46px 0;
  border-top: 1px solid var(--line);
}

.policy h2 {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin: 0 0 25px;
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  line-height: 1.5;
}

.policy h2 span {
  color: var(--orange);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.policy p,
.policy li,
.policy dd {
  color: var(--ink-soft);
}

.policy section > p:last-child {
  margin-bottom: 0;
}

.policy ul {
  margin: 20px 0 0;
  padding-left: 1.4em;
}

.policy li {
  margin-bottom: 6px;
}

.policy-data {
  margin: 0;
}

.policy-data > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.policy-data dt {
  font-weight: 700;
}

.policy-data dd {
  margin: 0;
}

.policy-contact {
  margin-top: 24px;
  padding: 25px 28px;
  background: var(--mist);
  color: var(--ink-soft);
  font-style: normal;
}

.policy-contact a {
  color: var(--green-dark);
  overflow-wrap: anywhere;
}

.policy-date {
  margin: 45px 0 0;
  text-align: right;
  font-size: 0.84rem;
}

.sub-footer {
  padding: 46px 0 26px;
  background: var(--mist);
}

.sub-footer .container {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.sub-footer img {
  width: min(290px, 48vw);
}

.sub-footer div > div {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 12px;
}

.sub-footer div > div a {
  font-size: 0.78rem;
}

.sub-footer small {
  color: var(--ink-soft);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.67rem;
  letter-spacing: 0.05em;
}

@media (max-width: 640px) {
  .container,
  .header-inner {
    width: min(calc(100% - 36px), var(--max-width));
  }

  .sub-header {
    height: 72px;
  }

  .back-link {
    font-size: 0;
  }

  .back-link span {
    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    font-size: 1rem;
  }

  .page-hero {
    padding: 72px 0 62px;
  }

  .news-section,
  .policy {
    padding-top: 70px;
    padding-bottom: 90px;
  }

  .news-empty {
    padding: 60px 20px;
  }

  .policy-intro {
    margin-bottom: 50px;
    padding: 26px 22px;
  }

  .policy section {
    padding: 36px 0;
  }

  .policy-data > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .sub-footer .container {
    align-items: flex-start;
    flex-direction: column;
  }

  .sub-footer img {
    width: min(260px, 75vw);
  }

  .sub-footer div > div {
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}