:root {
  --washi-bg: #e9dfc9;
  --washi-light: #f5efe2;
  --washi-paper: #fbf7ee;
  --washi-deep: #d8c9ad;
  --sumi: #211e1a;
  --sumi-soft: #625a4d;
  --line: #766b5b;
  --ai: #40596e;
  --ai-dark: #2f4558;
  --red: #8d3e34;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--sumi);
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, .28), transparent 24%),
    var(--washi-bg);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.8;
}

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

button,
input {
  font: inherit;
}

.site-wrap {
  width: 100%;
  max-width: 1100px;
  min-height: 100vh;
  margin: 0 auto;
  overflow: hidden;
  background: var(--washi-light);
  box-shadow: 0 0 25px rgba(33, 30, 26, .08);
}

.page-header {
  position: relative;
  padding: 30px 22px 34px;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, .15), transparent 60%),
    var(--washi-deep);
  border-bottom: 1px solid var(--line);
}

.page-header::after {
  position: absolute;
  right: -36px;
  bottom: 18px;
  width: 245px;
  height: 46px;
  content: "";
  border-radius: 50%;
  background: rgba(64, 89, 110, .09);
  transform: rotate(-8deg);
}

.back-link {
  position: relative;
  z-index: 1;
  color: var(--ai);
  font-size: 14px;
}

.back-link:hover {
  text-decoration: underline;
}

.site-name {
  position: relative;
  z-index: 1;
  margin: 20px 0 2px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 18px;
  letter-spacing: .18em;
}

.page-header h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(34px, 8vw, 52px);
  font-weight: 600;
  letter-spacing: .08em;
}

.header-lead {
  position: relative;
  z-index: 1;
  max-width: 660px;
  margin: 12px 0 0;
  color: var(--sumi-soft);
}

main {
  display: flex;
  flex-direction: column;
  padding: 28px 16px 64px;
}

.notice {
  order: 1;
  padding: 20px 18px;
  background: #efe5d1;
  border-left: 4px solid var(--ai);
}

.notice h2 {
  margin: 0 0 8px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 21px;
}

.notice ul {
  margin: 0;
  padding-left: 1.35em;
  color: var(--sumi-soft);
  font-size: 14px;
}

.logo-guide {
  order: 3;
  margin-top: 42px;
  padding: 24px 18px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .58), rgba(255, 255, 255, .08)),
    var(--washi-paper);
  border: 1px solid rgba(118, 107, 91, .38);
}

.logo-guide__intro {
  display: grid;
  gap: 24px;
}

.logo-guide__copy h2 {
  margin: 4px 0 14px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(26px, 6vw, 38px);
  font-weight: 600;
  line-height: 1.45;
}

.logo-guide__copy > p:last-child {
  margin: 0;
  color: var(--sumi-soft);
}

.official-logo {
  display: grid;
  align-content: center;
  justify-items: center;
  margin: 0;
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(118, 107, 91, .32);
}

.official-logo img {
  width: min(192px, 58vw);
  height: auto;
}

.official-logo figcaption {
  margin-top: 10px;
  color: var(--sumi-soft);
  font-size: 12px;
  text-align: center;
}

.logo-guide__block {
  margin-top: 24px;
  padding: 20px 18px;
  background: rgba(239, 229, 209, .72);
  border-top: 3px solid var(--ai);
}

.logo-guide__block h3 {
  margin: 0 0 12px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 21px;
}

.logo-guide__block ul,
.logo-guide__block ol {
  margin: 0;
  padding-left: 1.35em;
  color: var(--sumi-soft);
  font-size: 14px;
}

.application-flow {
  display: grid;
  gap: 10px;
  padding: 0 !important;
  list-style: none;
}

.application-flow li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 2px 12px;
  align-items: center;
  padding: 12px;
  background: rgba(255, 255, 255, .62);
}

.flow-number {
  display: grid;
  grid-row: 1 / 3;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: var(--ai);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-weight: 700;
}

.application-flow strong {
  color: var(--sumi);
}

.application-flow li > span:last-child {
  font-size: 13px;
}

.logo-guide__columns {
  display: grid;
  gap: 0;
}

.logo-guide__block--caution {
  border-top-color: var(--red);
}

.check-list {
  padding-left: 0 !important;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.6em;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--ai);
  content: "✓";
  font-weight: 700;
}

.logo-notes {
  background: #f3e6db;
  border-top-color: var(--red);
}

.logo-procedure {
  margin-top: 24px;
  overflow: hidden;
  background: rgba(255, 255, 255, .68);
  border: 1px solid rgba(118, 107, 91, .42);
}

.logo-procedure__heading {
  padding: 18px 18px 14px;
  background: var(--ai);
}

.logo-procedure__heading .eyebrow {
  color: rgba(255, 255, 255, .72);
}

.logo-procedure__heading h3 {
  margin: 2px 0 0;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: .06em;
}

.logo-procedure__lead {
  margin: 0;
  padding: 20px 18px;
  color: var(--sumi-soft);
  border-bottom: 1px solid rgba(118, 107, 91, .3);
}

.procedure-details {
  margin: 0;
}

.procedure-details__item {
  display: grid;
  border-bottom: 1px solid rgba(118, 107, 91, .3);
}

.procedure-details__item dt {
  padding: 11px 18px;
  color: var(--ai-dark);
  background: rgba(216, 201, 173, .5);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
}

.procedure-details__item dd {
  margin: 0;
  padding: 14px 18px;
  color: var(--sumi-soft);
}

.procedure-details__item ul {
  margin: 0;
  padding-left: 1.35em;
}

.procedure-details__item address {
  font-style: normal;
}

.procedure-details__item a,
.procedure-reference a {
  color: var(--ai-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.procedure-details__item a:hover,
.procedure-reference a:hover {
  color: var(--red);
}

.procedure-after {
  margin: 0;
  padding: 20px 36px 20px 42px;
  color: var(--sumi-soft);
  background: rgba(239, 229, 209, .48);
}

.procedure-after li + li {
  margin-top: 6px;
}

.procedure-reference {
  margin: 0;
  padding: 16px 18px;
  color: var(--sumi-soft);
  background: #f3e6db;
  border-top: 3px solid var(--red);
  font-size: 14px;
}

.logo-download-actions {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.logo-download-actions a {
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: 12px;
  justify-content: center;
  padding: 12px 16px;
  color: #fff;
  background: var(--ai);
  border: 1px solid var(--ai);
  font-weight: 700;
  text-align: center;
  transition: background .2s ease, transform .2s ease;
}

.logo-download-actions a:hover {
  background: var(--ai-dark);
  transform: translateY(-2px);
}

.logo-download-actions span {
  padding: 2px 7px;
  color: var(--ai-dark);
  background: #fff;
  font-family: Arial, sans-serif;
  font-size: 11px;
}

.document-area {
  order: 2;
  margin-top: 40px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ai);
}

.eyebrow {
  margin: 0;
  color: var(--ai);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
}

.section-heading h2 {
  margin: 2px 0 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(27px, 6vw, 36px);
  font-weight: 600;
}

.document-count {
  margin: 0;
  color: var(--sumi-soft);
  font-size: 13px;
  white-space: nowrap;
}

.tools {
  display: grid;
  gap: 16px;
  margin: 22px 0 30px;
}

.search-box {
  display: grid;
  gap: 6px;
  color: var(--sumi-soft);
  font-size: 13px;
  font-weight: 700;
}

.search-box input {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  color: var(--sumi);
  background: #fff;
  border: 1px solid rgba(118, 107, 91, .55);
  border-radius: 0;
  outline: none;
}

.search-box input:focus {
  border-color: var(--ai);
  box-shadow: 0 0 0 3px rgba(64, 89, 110, .14);
}

.filter-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.filter-button {
  min-height: 44px;
  padding: 8px 10px;
  color: var(--ai);
  background: transparent;
  border: 1px solid var(--ai);
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}

.filter-button:hover,
.filter-button.is-active {
  color: #fff;
  background: var(--ai);
}

.document-groups {
  display: grid;
  gap: 32px;
}

.document-group {
  scroll-margin-top: 20px;
}

.group-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 24px;
}

.group-title::after {
  height: 1px;
  flex: 1;
  content: "";
  background: rgba(118, 107, 91, .35);
}

.group-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: var(--ai);
  font-family: "Yu Gothic", sans-serif;
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
}

.document-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.document-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 82px;
  padding: 14px;
  background: var(--washi-paper);
  border: 1px solid rgba(118, 107, 91, .38);
  box-shadow: 0 2px 7px rgba(33, 30, 26, .04);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.document-link:hover {
  border-color: var(--ai);
  box-shadow: 0 5px 14px rgba(33, 30, 26, .09);
  transform: translateY(-2px);
}

.file-type {
  display: grid;
  width: 45px;
  height: 52px;
  place-items: center;
  color: #fff;
  background: var(--ai);
  font-family: Arial, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
}

.file-type--word {
  background: #3c6386;
}

.document-name {
  display: block;
  font-weight: 700;
  line-height: 1.45;
}

.document-meta {
  display: block;
  margin-top: 4px;
  color: var(--sumi-soft);
  font-size: 12px;
}

.download-mark {
  color: var(--ai);
  font-size: 24px;
  line-height: 1;
}

.empty-message {
  margin: 0;
  padding: 34px 18px;
  color: var(--sumi-soft);
  background: var(--washi-paper);
  border: 1px solid rgba(118, 107, 91, .38);
  text-align: center;
}

.page-footer {
  padding: 28px 18px;
  background: var(--washi-deep);
  text-align: center;
  font-size: 14px;
}

.page-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
}

.page-footer a {
  color: var(--ai-dark);
}

.page-footer a:hover {
  text-decoration: underline;
}

.page-footer p {
  margin: 14px 0 0;
}

@media (min-width: 700px) {
  main {
    padding: 38px 36px 74px;
  }

  .tools {
    grid-template-columns: minmax(260px, .9fr) 1.2fr;
    align-items: end;
  }

  .filter-buttons {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .document-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .logo-guide {
    padding: 34px 30px;
  }

  .logo-guide__intro {
    grid-template-columns: minmax(0, 1.55fr) minmax(230px, .7fr);
    align-items: stretch;
  }

  .application-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .logo-guide__columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .procedure-details__item {
    grid-template-columns: 145px minmax(0, 1fr);
  }

  .procedure-details__item dt {
    display: flex;
    align-items: center;
  }

  .logo-download-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-header {
    padding: 36px 52px 42px;
  }

  main {
    padding: 46px 60px 84px;
  }

  .notice {
    padding: 24px 26px;
  }
}

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

  .document-link {
    transition: none;
  }

  .logo-download-actions a {
    transition: none;
  }
}