:root {
  --color-text: #1f2328;
  --color-muted: #555555;
  --color-navy: #0f2747;
  --color-blue: #1e64c8;
  --color-blue-dark: #174f9f;
  --color-blue-light: #8ec5ff;
  --color-on-navy-muted: #c5d3e6;
  --color-bg: #ffffff;
  --color-bg-gray: #f3f6fa;
  --color-border: #dde3ea;
  --radius: 4px;
  --measure: 42rem;
  --container: 64rem;
  --font-serif: "Palatino Linotype", Palatino, "Book Antiqua", "Times New Roman", Georgia, serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", YuGothic, Meiryo, "Noto Sans JP", sans-serif;
  font-size: 1rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
  overflow-wrap: break-word;
}

h1,
h2,
h3,
.lead,
summary {
  word-break: auto-phrase;
}

.nw {
  display: inline-block;
  max-width: 100%;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-blue-dark);
  text-decoration-thickness: 2px;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-blue);
  outline-offset: 3px;
}

.hero :focus-visible,
.page-title :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-blue-light);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.5rem 1rem;
  background: var(--color-navy);
  color: #ffffff;
  z-index: 10;
}

.skip-link:focus,
.skip-link:hover {
  top: 1rem;
  color: #ffffff;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.measure {
  max-width: var(--measure);
}

.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.site-name {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-navy);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.04em;
}

.site-name:hover {
  color: var(--color-navy);
}

.site-name-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.site-mark {
  display: block;
  width: auto;
  height: 2rem;
}

.site-name-sub {
  display: inline-block;
  margin-left: 0.25rem;
  font-weight: 400;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9375rem;
}

.site-nav li + li {
  margin-top: 0;
}

.site-nav a {
  color: var(--color-text);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-navy);
  border-bottom-color: var(--color-blue);
}

h1,
h2,
h3 {
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: 0.03em;
}

h1 {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.125rem);
  margin: 0 0 1.25rem;
}

h2 {
  position: relative;
  font-size: 1.375rem;
  color: var(--color-navy);
  margin: 3.5rem 0 1.5rem;
  padding: 0 0 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 3rem;
  height: 2px;
  background: var(--color-blue);
}

h3 {
  font-size: 1.125rem;
  color: var(--color-navy);
  margin: 2.25rem 0 0.75rem;
}

p,
ul,
ol,
dl,
table {
  margin: 0 0 1.25rem;
}

ul,
ol {
  padding-left: 1.5rem;
}

li + li {
  margin-top: 0.35rem;
}

.lead {
  font-size: 1.0625rem;
  max-width: var(--measure);
}

.muted {
  color: var(--color-muted);
}

.small {
  font-size: 0.875rem;
}

.note-small {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0.75rem 0 0;
}

.section {
  padding: 4rem 0;
}

.section-gray {
  background: var(--color-bg-gray);
}

.section h2:first-child {
  margin-top: 0;
}

.section-lead {
  max-width: var(--measure);
  margin-bottom: 2rem;
}

.more-link,
.more-links {
  margin: 2rem 0 0;
}

.more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
}

.more-link a,
.more-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.more-link a::after,
.more-links a::after {
  content: "";
  flex-shrink: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

main {
  padding-bottom: 0;
}

.page-body {
  padding-bottom: 5rem;
}

.page-title {
  margin: 0 0 3rem;
  padding: 2.5rem 0 2.25rem;
  background: var(--color-navy);
  box-shadow: 0 0 0 100vmax var(--color-navy);
  clip-path: inset(0 -100vmax);
  color: #ffffff;
}

.page-title h1 {
  font-size: clamp(1.375rem, 1.15rem + 1vw, 1.75rem);
  color: #ffffff;
  margin: 0;
}

.page-title .lead {
  margin: 1rem 0 0;
  color: var(--color-on-navy-muted);
}

.hero {
  padding: 4rem 0 4.5rem;
  background: var(--color-navy);
  color: #ffffff;
}

.hero-name {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  color: var(--color-blue-light);
}

.hero h1 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.hero .lead {
  margin-bottom: 0;
  color: var(--color-on-navy-muted);
}

.itc-mark {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: fit-content;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: #ffffff;
  color: var(--color-text);
  font-size: 0.875rem;
  line-height: 1.6;
}

.itc-mark img {
  display: block;
  flex-shrink: 0;
  width: 72px;
  min-width: 64px;
  height: auto;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cards li {
  margin: 0;
}

.card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  height: 100%;
  padding: 1.5rem;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.card p {
  margin: 0;
}

.card strong {
  color: var(--color-navy);
}

.card h3 {
  margin: 0 0 0.375rem;
  font-size: 1.0625rem;
}

.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 2px;
  background: var(--color-bg-gray);
}

.icon-circle svg {
  stroke: var(--color-blue);
}

@media (min-width: 36rem) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 56rem) {
  .cards-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.phase {
  margin: 0 0 1.5rem;
  padding: 1.5rem 1.25rem 0.75rem;
  border-radius: var(--radius);
}

.phase-free {
  background: var(--color-bg-gray);
  border-top: 3px solid var(--color-blue-light);
}

.phase-paid {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-navy);
}

.phase h3 {
  margin-top: 0;
}

.phase-boundary {
  margin: -0.5rem 0 1rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.flow li {
  counter-increment: flow;
  position: relative;
  margin: 0;
  padding: 1rem 1.25rem 1rem 3.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.flow li::before {
  content: counter(flow);
  content: counter(flow) / "";
  position: absolute;
  left: 1.25rem;
  top: 1rem;
  width: 1.625rem;
  height: 1.625rem;
  border: 1px solid var(--color-blue);
  border-radius: 50%;
  font-size: 0.875rem;
  line-height: 1.5rem;
  text-align: center;
  color: var(--color-blue);
}

.flow strong {
  display: block;
  font-size: 1.0625rem;
  color: var(--color-navy);
}

.flow span {
  display: block;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.7;
}

@media (min-width: 48rem) {
  .flow {
    grid-template-columns: repeat(4, 1fr);
  }

  .flow-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .flow li {
    padding: 3.25rem 1rem 1.25rem;
  }

  .flow li::before {
    left: 1rem;
    top: 1.125rem;
  }
}

.faq {
  max-width: var(--measure);
  border-top: 1px solid var(--color-border);
}

.faq details {
  border-bottom: 1px solid var(--color-border);
}

.faq summary {
  position: relative;
  padding: 1.125rem 2.75rem 1.125rem 0;
  font-weight: 700;
  color: var(--color-navy);
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 1.125rem;
  width: 1.625rem;
  height: 1.625rem;
  border: 1px solid var(--color-navy);
  border-radius: 2px;
  color: var(--color-navy);
  line-height: 1.5rem;
  text-align: center;
  font-weight: 400;
}

.faq details[open] summary::after {
  content: "\2212";
  background: var(--color-navy);
  color: #ffffff;
}

.faq details > div {
  padding: 0 0 1.125rem;
}

.faq details p:last-child {
  margin-bottom: 0;
}

.rep {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

.rep-photo {
  display: block;
  width: 8rem;
  height: 10rem;
  object-fit: cover;
  object-position: 50% 20%;
  border-radius: var(--radius);
  background: var(--color-bg);
}

.rep-body {
  max-width: var(--measure);
}

.rep-name {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.06em;
}

.rep-kana {
  display: inline-block;
  margin-left: 0.75rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.rep-body .more-link {
  margin-top: 0;
}

@media (min-width: 40rem) {
  .rep {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 2.5rem;
  }

  .rep-photo {
    width: 10rem;
    height: 12.5rem;
  }
}

.contact-box {
  max-width: 36rem;
  padding: 1.5rem 1.25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-navy);
  border-top: 3px solid var(--color-navy);
  border-radius: var(--radius);
}

.contact-box h2,
.contact-box h3 {
  margin-top: 0;
}

.def-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem 1.5rem;
}

.def-list dt {
  font-weight: 700;
  color: var(--color-navy);
  margin-top: 0.75rem;
}

.def-list dd {
  margin: 0;
}

@media (min-width: 40rem) {
  .def-list {
    grid-template-columns: 9rem 1fr;
  }

  .def-list dt {
    margin-top: 0;
  }
}

.history {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.history dt,
.history dd {
  margin: 0;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--color-border);
}

.history dt {
  color: var(--color-navy);
  font-weight: 700;
}

.history-note {
  display: block;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
}

.table-wrap {
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

caption {
  text-align: left;
  font-weight: 700;
  color: var(--color-navy);
  padding-bottom: 0.5rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.75rem 0.75rem 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

th[scope="row"] {
  font-weight: 700;
  color: var(--color-navy);
  padding-right: 1.5rem;
}

thead th {
  color: var(--color-navy);
  border-bottom: 2px solid var(--color-navy);
}

.toc {
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-gray);
  border-left: 3px solid var(--color-navy);
  border-radius: 0 var(--radius) var(--radius) 0;
  max-width: var(--measure);
}

.toc ul {
  margin: 0;
}

.profile-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: start;
}

.profile-photo {
  width: 10rem;
  margin: 0;
}

.profile-photo img {
  display: block;
  width: 10rem;
  height: 12.5rem;
  object-fit: cover;
  object-position: 50% 20%;
  border-radius: var(--radius);
  background: var(--color-bg-gray);
}

.profile-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.08em;
  margin: 0 0 0.25rem;
}

.profile-kana {
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

@media (min-width: 40rem) {
  .profile-head {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 39.99rem) {
  .header-inner {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    gap: 0.25rem 1rem;
  }

  .site-name-sub {
    margin-left: 0.5rem;
  }

  
  .site-nav .nav-home {
    display: none;
  }

  .site-nav ul {
    flex-wrap: nowrap;
    gap: 1.25rem;
    font-size: 0.875rem;
    white-space: nowrap;
  }

  .hero {
    padding: 2.5rem 0 3rem;
  }

  .hero .lead {
    font-size: 1rem;
    line-height: 1.8;
  }

  .section {
    padding: 3rem 0;
  }

  .page-title {
    padding: 2rem 0 1.75rem;
    margin-bottom: 2.25rem;
  }

  .card {
    padding: 1.25rem;
  }
}

.site-footer {
  padding: 3rem 0 3.5rem;
  font-size: 0.875rem;
  color: var(--color-on-navy-muted);
  background: var(--color-navy);
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.site-footer li + li {
  margin-top: 0;
}

.site-footer a {
  color: #ffffff;
}

.site-footer a:hover {
  color: var(--color-blue-light);
}

.site-footer p {
  margin: 0 0 0.5rem;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@media print {
  .site-nav,
  .skip-link,
  .more-link,
  .more-links {
    display: none;
  }

  a {
    color: #000000;
  }

  
  .hero,
  .section-gray,
  .page-title,
  .site-footer {
    background: none;
    box-shadow: none;
    color: #000000;
  }

  .hero *,
  .page-title *,
  .site-footer * {
    color: #000000 !important;
  }
}