@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Serif+JP:wght@400;500;600;700;900&display=swap");

:root {
  --c-primary: #B65A3A;
  --c-primary-dark: #713624;
  --c-accent: #3A6BB6;
  --c-secondary: #2C7778;
  --c-bg: #F7F3EE;
  --c-bg-alt: #E9EFEA;
  --c-surface: #FFFDFC;
  --c-text: #242424;
  --c-muted: #746F6A;
  --c-border: #D5CEC6;
  --c-white: #FFFFFF;
  --c-dark: #12324A;
  --c-success: #2C7778;
  --c-error: #A33C32;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 80px;
  --space-8: 96px;
  --space-9: 120px;

  --fs-xs: 12px;
  --fs-sm: 14px;
  --fs-base: 16px;
  --fs-lg: 20px;
  --fs-xl: 28px;
  --fs-2xl: 40px;
  --fs-3xl: 64px;
  --fs-display: 96px;

  --font-body: "Noto Sans JP", sans-serif;
  --font-head: "Noto Serif JP", serif;
  --font-accent: "Cormorant Garamond", serif;

  --line-body: 1.8;
  --line-head: 1.25;
  --radius: 18px;
  --radius-pill: 9999px;
  --shadow: 0 12px 32px rgba(36, 36, 36, .08);
  --shadow-hover: 0 16px 38px rgba(36, 36, 36, .13);
  --content: 1200px;
}

/* ===== Base ===== */

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

html {
  background: var(--c-bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--line-body);
}

body::selection {
  background: var(--c-primary);
  color: var(--c-white);
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button,
a,
input,
textarea,
select {
  transition:
    color 450ms ease,
    background-color 450ms ease,
    border-color 450ms ease,
    box-shadow 450ms ease,
    transform 450ms ease;
}

.Page {
  min-height: 100vh;
  background: var(--c-bg);
}

.BodyLayer {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.Main {
  flex: 1;
}

.Inner {
  width: 100%;
  max-width: var(--content);
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-4);
  padding-left: var(--space-4);
}

/* 共通の子要素間隔 */
.Headline,
.Box,
.Form,
.FieldGroup,
.QaGroup,
.TableGroup,
.PricingGroup,
.SitemapGroup,
.HamburgerNavGroup {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.Headline {
  align-items: flex-start;
}

.Title,
.SubTitle,
.Desc,
.Date,
.Tag,
.Label {
  margin: 0;
}

.Title {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: var(--line-head);
}

.Desc {
  color: var(--c-muted);
  line-height: var(--line-body);
}

.SubTitle,
.Date,
.Tag {
  letter-spacing: .12em;
}

.SubTitle {
  color: var(--c-primary);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
}

.Date {
  color: var(--c-muted);
  font-family: var(--font-accent);
  font-size: var(--fs-lg);
  letter-spacing: .04em;
}

.Tag {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: var(--radius-pill);
  background: var(--c-bg-alt);
  color: var(--c-secondary);
  font-size: var(--fs-xs);
  line-height: 1;
  padding: 8px 14px;
}

.Accent {
  color: var(--c-primary);
}

/* ===== Header / Navigation ===== */

.Header {
  border-bottom: 1px solid var(--c-border);
  background: rgba(247, 243, 238, .94);
}

.Header .Inner {
  min-height: 88px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  gap: var(--space-3);
}

.Header .Inner > .Box:first-child {
  grid-column: span 3;
}

.Header .Inner > .GlobalNavGroup {
  grid-column: span 8;
}

.Header .Inner > .Box:last-child {
  grid-column: span 1;
}

.Header .Link {
  display: inline-flex;
  flex-direction: column;
  color: var(--c-text);
  font-family: var(--font-head);
  font-size: var(--fs-xl);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.Header .Link .Inline {
  display: none;
}

.GlobalNavGroup {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

.GlobalNavItem {
  white-space: nowrap;
}

.GlobalNavItem .Link {
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.GlobalNavItem .Link:hover,
.GlobalNavItem .Link:focus-visible {
  color: var(--c-primary);
}

.GlobalNavItem .CtaLink {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--c-primary);
  color: var(--c-white);
  font-size: var(--fs-sm);
}

.GlobalNavItem .CtaLink:hover,
.Header .Btn:hover {
  background: var(--c-primary-dark);
  color: var(--c-white);
  transform: translateY(-2px);
}

.Header .Btn {
  display: none;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--c-primary);
  color: var(--c-white);
  cursor: pointer;
  padding: 12px 18px;
}

/* ===== Buttons / Links ===== */

.CtaLink,
.MoreLink,
.SubmitBtn {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-weight: 600;
  line-height: 1;
}

.CtaLink::after,
.MoreLink::after,
.SubmitBtn::after {
  content: "→";
  margin-left: var(--space-2);
  font-family: var(--font-accent);
  font-size: var(--fs-lg);
}

.CtaLink {
  background: var(--c-primary);
  color: var(--c-white);
  padding: 16px 28px;
}

.CtaLink:hover,
.SubmitBtn:hover {
  background: var(--c-primary-dark);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.MoreLink {
  border: 1px solid var(--c-primary);
  color: var(--c-primary);
  padding: 12px 22px;
}

.MoreLink:hover {
  background: var(--c-primary);
  color: var(--c-white);
}

.SubmitBtn {
  align-self: center;
  border: 0;
  background: var(--c-primary);
  color: var(--c-white);
  cursor: pointer;
  padding: 16px 40px;
}

/* ===== Breadcrumb / Sub hero ===== */

.BreadcrumbSection {
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  background: var(--c-bg);
}

.BreadcrumbGroup {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  color: var(--c-muted);
  font-size: var(--fs-sm);
}

.BreadcrumbItem {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.BreadcrumbItem:not(:last-child)::after {
  content: "/";
  color: var(--c-border);
}

.BreadcrumbItem.is-current {
  color: var(--c-primary);
}

.SubHeroSection {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  background:
    url("/gen-media/decor-tsabidxa.webp") center / cover,
    var(--c-bg);
}

.SubHeroSection .Headline {
  max-width: 800px;
}

.SubHeroSection .Title {
  font-size: var(--fs-3xl);
  font-weight: 700;
}

.SubHeroSection .SubTitle {
  font-family: var(--font-accent);
  font-size: var(--fs-xl);
  font-style: italic;
}

/* ===== Home Hero ===== */

.HeroSection {
  position: relative;
  overflow: hidden;
  background:
    url("/gen-media/decor-2do1z8fl.webp") center / cover,
    var(--c-bg);
}

.HeroSection .Inner {
  min-height: 620px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  gap: var(--space-4);
}

.HeroSection .Headline {
  z-index: 1;
  grid-column: span 5;
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.HeroSection .Title {
  font-size: var(--fs-display);
  font-weight: 900;
  letter-spacing: -.08em;
}

.HeroSection .SubTitle {
  color: var(--c-text);
  font-family: var(--font-head);
  font-size: var(--fs-xl);
  letter-spacing: .06em;
}

.HeroSection .Desc {
  max-width: 500px;
  color: var(--c-text);
}

.HeroSection .Frame {
  grid-column: span 7;
  align-self: stretch;
  min-height: 620px;
}

.HeroSection .Media,
.HeroSection .Image {
  width: 100%;
  height: 100%;
}

.HeroSection .Image {
  object-fit: cover;
  object-position: center;
}

.HeroSection::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 280px;
  height: 220px;
  background: url("/gen-media/decor-luzv41l7.webp") right bottom / contain no-repeat;
  opacity: .22;
  pointer-events: none;
}

/* ===== Sections ===== */

.NewsSection,
.BlogSection,
.AboutSection,
.BodySection,
.AccessGuideSection,
.AccessSection,
.FaqSection,
.WorksSection,
.ArticleSection,
.WorksArticleSection,
.RelatedSection,
.ContactSection,
.ContactAltSection,
.SitemapSection {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  background:
    url("/gen-media/decor-tsabidxa.webp") center / cover,
    var(--c-bg);
}

.NewsSection .Inner,
.BlogSection .Inner,
.AboutSection .Inner,
.BodySection .Inner,
.AccessGuideSection .Inner,
.AccessSection .Inner,
.FaqSection .Inner,
.WorksSection .Inner,
.ArticleSection .Inner,
.WorksArticleSection .Inner,
.RelatedSection .Inner,
.ContactSection .Inner,
.SitemapSection .Inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ===== News ===== */

.NewsSection .Headline .Title {
  color: var(--c-dark);
  font-family: var(--font-accent);
  font-size: var(--fs-3xl);
  font-style: italic;
  letter-spacing: .06em;
}

.ListGroup {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ListItem {
  display: block;
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-3) 0;
}

.ListItem:hover {
  color: var(--c-primary);
  padding-left: var(--space-2);
}

.ListItem .Box {
  display: grid;
  grid-template-columns: 150px 3fr 5fr;
  align-items: center;
  gap: var(--space-3);
}

.ListItem .Title {
  font-size: var(--fs-base);
}

.ListItem .Desc {
  font-size: var(--fs-sm);
}

/* ===== Cards ===== */

.CardGroup {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: var(--space-3);
}

.CardItem {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--c-surface);
  box-shadow: var(--shadow);
}

.CardItem:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.CardItem .Frame {
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--c-bg-alt);
}

.CardItem .Media,
.CardItem .Image {
  width: 100%;
  height: 100%;
}

.CardItem .Image {
  object-fit: cover;
  transition: transform 600ms ease;
}

.CardItem:hover .Image {
  transform: scale(1.03);
}

.CardItem .Box {
  flex: 1;
  align-items: flex-start;
  padding: var(--space-3);
}

.CardItem .Title {
  font-size: var(--fs-lg);
}

.CardItem .Desc {
  font-size: var(--fs-sm);
}

.EmptyState {
  display: flex;
  min-height: 240px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  padding: var(--space-6);
  text-align: center;
}

.EmptyState .Title {
  font-size: var(--fs-xl);
}

/* ===== About / Body ===== */

.AboutSection .Inner > .Box,
.BodySection .Inner > .Box,
.AccessSection .Inner > .Box,
.FaqSection .Inner > .Box {
  max-width: 800px;
}

.AboutSection .Title,
.BodySection .Title,
.AccessSection .Title,
.FaqSection .Title {
  font-size: var(--fs-2xl);
}

.AboutSection .Frame,
.BodySection .Frame,
.ArticleSection .Frame {
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--c-bg-alt);
}

.AboutSection .Image,
.BodySection .Image,
.ArticleSection .Image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.BodySection [data-dynamic],
.ArticleSection [data-dynamic],
.WorksArticleSection [data-dynamic] {
  gap: var(--space-5);
}

.BodySection .ListGroup {
  gap: var(--space-2);
}

.BodySection .ListItem,
.SitemapItem {
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-2) 0;
}

.BodySection .TableGroup,
.AccessGuideSection .TableGroup {
  gap: 0;
}

.TableItem {
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-3) 0;
}

.TableItem .Box {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3);
}

.TableItem .Title {
  color: var(--c-primary-dark);
  font-size: var(--fs-sm);
}

.TableItem .Desc {
  color: var(--c-text);
}

/* ===== Access ===== */

.AccessGuideSection .is-split-46 {
  display: grid;
  grid-template-columns: 4fr 6fr;
  align-items: stretch;
  gap: var(--space-5);
}

.AccessGuideSection .Frame {
  min-height: 420px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--c-bg-alt);
  box-shadow: var(--shadow);
}

.AccessGuideSection .Embed {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ===== FAQ ===== */

.QaGroup {
  gap: var(--space-2);
}

.QaItem {
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-3) 0;
}

.QaItem .Title {
  font-size: var(--fs-lg);
}

.QaItem .Title::before {
  content: "Q";
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  margin-right: var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--c-primary);
  color: var(--c-white);
  font-family: var(--font-accent);
  font-size: var(--fs-lg);
}

/* ===== Article ===== */

.ArticleSection .Inner,
.WorksArticleSection .Inner {
  max-width: 880px;
}

.ArticleSection .Headline .Title,
.WorksArticleSection .Headline .Title {
  font-size: var(--fs-2xl);
}

.ArticleSection > .Inner > .Box:not([data-dynamic]),
.WorksArticleSection > .Inner > .Box:not([data-dynamic]) {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.ArticleSection [data-dynamic] .Title {
  font-size: var(--fs-xl);
}

.WorksArticleSection .Frame {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.WorksArticleSection .Image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Contact ===== */

.ContactAltSection {
  background:
    url("/gen-media/decor-gfuodtxg.webp") center / cover,
    var(--c-dark);
  color: var(--c-white);
}

.ContactAltSection .Inner {
  display: flex;
  justify-content: center;
}

.ContactAltSection .Box {
  align-items: center;
  text-align: center;
}

.ContactAltSection .SubTitle,
.ContactAltSection .Desc {
  color: var(--c-white);
}

.ContactAltSection .Title {
  font-family: var(--font-accent);
  font-size: var(--fs-3xl);
  letter-spacing: .04em;
}

.ContactSection .Inner {
  display: grid;
  grid-template-columns: 3fr 9fr;
  align-items: start;
  gap: var(--space-6);
}

.ContactSection .Headline {
  grid-column: span 3;
  padding: var(--space-4);
  background:
    url("/gen-media/decor-gfuodtxg.webp") center / cover,
    var(--c-dark);
  color: var(--c-white);
}

.ContactSection .Headline .Title {
  color: var(--c-white);
  font-family: var(--font-accent);
  font-size: var(--fs-3xl);
  font-style: italic;
}

.ContactSection .Headline .SubTitle,
.ContactSection .Headline .Desc {
  color: var(--c-white);
}

.ContactSection .Form {
  grid-column: span 9;
}

.FieldGroup {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.FieldItem {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-1);
}

.FieldItem:last-child {
  grid-column: 1 / -1;
}

.Label {
  color: var(--c-text);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.TextInput,
.TextareaInput,
.SelectInput {
  width: 100%;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  background: var(--c-surface);
  color: var(--c-text);
  outline: 0;
  padding: 14px 16px;
}

.TextareaInput {
  min-height: 150px;
  resize: vertical;
}

.TextInput:focus,
.TextareaInput:focus,
.SelectInput:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(182, 90, 58, .12);
}

.is-notice {
  color: var(--c-muted);
  font-size: var(--fs-sm);
}

.is-error {
  color: var(--c-error);
  font-size: var(--fs-sm);
}

.is-success {
  color: var(--c-success);
  font-size: var(--fs-sm);
}

/* ===== CTA ===== */

.CtaSection {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
  background:
    url("/gen-media/decor-yh4awj4u.webp") center / cover,
    var(--c-primary);
  color: var(--c-white);
}

.CtaSection .Inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.CtaSection .Title {
  color: var(--c-white);
  font-size: var(--fs-2xl);
}

.CtaSection .Desc {
  color: var(--c-white);
}

.CtaSection .CtaLink {
  background: var(--c-white);
  color: var(--c-primary);
}

.CtaSection .CtaLink:hover {
  background: var(--c-bg);
  color: var(--c-primary-dark);
}

/* ===== Sitemap ===== */

.SitemapGroup {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.SitemapItem {
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-surface);
  padding: var(--space-3);
}

.SitemapItem .Link {
  display: block;
  color: var(--c-primary-dark);
  font-family: var(--font-head);
  font-size: var(--fs-lg);
}

.SitemapItem:hover {
  background: var(--c-primary);
  box-shadow: var(--shadow);
  color: var(--c-white);
  transform: translateY(-2px);
}

.SitemapItem:hover .Link {
  color: var(--c-white);
}

/* ===== Footer ===== */

.Footer {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--c-border);
  background:
    url("/gen-media/decor-tsabidxa.webp") center / cover,
    var(--c-bg);
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.Footer::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -100px;
  width: 300px;
  height: 300px;
  background: url("/gen-media/decor-luzv41l7.webp") center / contain no-repeat;
  opacity: .18;
  pointer-events: none;
}

.Footer .Inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 4fr 3fr 3fr 2fr;
  gap: var(--space-5);
}

.Footer .Title {
  font-size: var(--fs-lg);
}

.Footer .Desc {
  font-size: var(--fs-sm);
}

.Footer .GlobalNavGroup {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: var(--space-1);
}

.Footer .GlobalNavItem .Link {
  color: var(--c-muted);
  font-size: var(--fs-sm);
}

.Footer .GlobalNavItem .Link:hover {
  color: var(--c-primary);
}

/* ===== Mobile menu states ===== */

.HamburgerSection {
  position: fixed !important;
  inset: 0 !important;
  overflow-y: auto;
  background:
    url("/gen-media/decor-gfuodtxg.webp") center / cover,
    var(--c-dark);
  color: var(--c-white);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
  transition:
    opacity 450ms ease,
    transform 450ms ease,
    visibility 450ms ease;
  visibility: hidden;
}

.HamburgerSection.is-open {
  display: block;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.HamburgerSection .Inner {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
  padding-top: var(--space-4);
  padding-bottom: var(--space-6);
}

.HamburgerSection .Box {
  align-items: flex-end;
}

.HamburgerSection .Btn {
  border: 1px solid var(--c-white);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--c-white);
  cursor: pointer;
  padding: 12px 18px;
}

.HamburgerSection .Btn:hover {
  background: var(--c-white);
  color: var(--c-dark);
}

.HamburgerNavGroup {
  align-items: flex-start;
  gap: var(--space-2);
}

.HamburgerNavItem .Link {
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: var(--fs-xl);
}

.HamburgerNavItem .Link:hover {
  color: var(--c-primary);
}

.HamburgerNavItem .CtaLink {
  margin-top: var(--space-2);
}

/* ===== Entrance motion ===== */

.Main > *,
.Footer {
  animation: fade-in-up 600ms ease-out both;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Responsive ===== */

@media (max-width: 1100px) {
  :root {
    --fs-display: 76px;
    --fs-3xl: 52px;
  }

  .Header .Inner > .GlobalNavGroup {
    gap: var(--space-2);
  }

  .GlobalNavItem .Link {
    font-size: var(--fs-xs);
  }

  .HeroSection .Inner {
    min-height: 560px;
  }

  .HeroSection .Frame {
    min-height: 560px;
  }

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

@media (max-width: 780px) {
  :root {
    --fs-display: 56px;
    --fs-3xl: 42px;
    --fs-2xl: 32px;
    --fs-xl: 24px;
  }

  .Inner {
    padding-right: var(--space-3);
    padding-left: var(--space-3);
  }

  .Header .Inner {
    min-height: 72px;
    grid-template-columns: 1fr auto;
  }

  .Header .Inner > .Box:first-child {
    grid-column: span 1;
  }

  .Header .Inner > .GlobalNavGroup {
    display: none;
  }

  .Header .Inner > .Box:last-child {
    grid-column: span 1;
  }

  .Header .Link {
    font-size: var(--fs-lg);
  }

  .Header .Btn {
    display: inline-flex;
  }

  .HeroSection .Inner {
    min-height: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .HeroSection .Headline {
    order: 1;
    padding-top: var(--space-7);
    padding-bottom: var(--space-6);
  }

  .HeroSection .Frame {
    order: 2;
    min-height: 360px;
    aspect-ratio: 4 / 3;
  }

  .HeroSection .Title {
    letter-spacing: -.06em;
  }

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

  .ListItem .Box {
    grid-template-columns: 110px 1fr;
    gap: var(--space-2);
  }

  .ListItem .Desc {
    grid-column: 2;
  }

  .AccessGuideSection .is-split-46,
  .ContactSection .Inner {
    display: flex;
    flex-direction: column;
  }

  .AccessGuideSection .Frame {
    min-height: 300px;
  }

  .ContactSection .Headline,
  .ContactSection .Form {
    width: 100%;
  }

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

  .CtaSection .Inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  :root {
    --fs-display: 48px;
    --fs-3xl: 36px;
    --fs-2xl: 28px;
    --fs-xl: 22px;
  }

  .CardGroup,
  .SitemapGroup,
  .FieldGroup {
    grid-template-columns: 1fr;
  }

  .CardItem {
    width: 100%;
  }

  .ListItem .Box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }

  .ListItem .Desc {
    margin-left: 0;
  }

  .TableItem .Box {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

  .Footer .Inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .ContactAltSection .Title {
    font-size: var(--fs-2xl);
  }

  .ContactSection .Headline .Title {
    font-size: var(--fs-2xl);
  }

  .HeroSection .Frame {
    min-height: 280px;
  }

  .HeroSection .Title {
    font-size: var(--fs-display);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ==== mh-agentic round 1 ==== */
/* SPでは隣接セクションの上下余白が合算されるため共通で圧縮 */
@media (max-width: 520px) {
  .SubHeroSection,
  .NewsSection,
  .BlogSection,
  .AboutSection,
  .BodySection,
  .AccessGuideSection,
  .AccessSection,
  .FaqSection,
  .WorksSection,
  .ArticleSection,
  .WorksArticleSection,
  .RelatedSection,
  .ContactSection,
  .ContactAltSection,
  .SitemapSection {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }
}

/* ==== mh-agentic round 2 ==== */
/* ContactSection の span 指定に対応する12列グリッドを補完 */
.ContactSection .Inner {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

/* ==== mh-agentic round 4 ==== */
/* 追記パッチ: ヒーロー強調語の途中改行を防止 */
.HeroSection .Title .Accent {
  display: inline-block;
}

/* 追記パッチ: BlogSection の主要見出しを既存の見出し階層へ揃える */
.BlogSection > .Inner > .Headline .Title {
  color: var(--c-dark);
  font-size: var(--fs-3xl);
  font-style: italic;
  letter-spacing: .06em;
}