:root {
  --color-bg: #FAF9F7;
  --color-paper: #FFFFFF;
  --color-ink: #222222;
  --color-soft-ink: #4A4642;
  --color-muted: #8A8580;
  --color-line: #E8DFD2;
  --color-wood: #C8B8A3;
  --color-accent: #B6402A;
  --color-accent-dark: #8F2F21;
  --font-display: Georgia, "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

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

img {
  background: #F1ECE4;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-accent) 52%, transparent);
  outline-offset: 4px;
}

p,
h1,
h2,
h3 {
  margin: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--color-bg) 95%, white);
  border-bottom: 1px solid color-mix(in srgb, var(--color-line) 70%, transparent);
  backdrop-filter: blur(12px);
}

.header-inner,
.section-inner,
.footer-inner,
.policy-wrap {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(1.38rem, 2vw, 1.82rem);
  line-height: 1;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 48px);
  font-family: var(--font-display);
  font-size: 0.96rem;
}

.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-nav a:hover {
  color: var(--color-accent-dark);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  border: 1px solid var(--color-line);
  border-radius: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  cursor: pointer;
}

.menu-toggle span[aria-hidden="true"] {
  width: 20px;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle[aria-expanded="true"] span[aria-hidden="true"]:nth-of-type(2) {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span[aria-hidden="true"]:nth-of-type(3) {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 640px;
  display: grid;
  align-items: center;
  background-image:
    linear-gradient(
      90deg,
      rgba(34, 34, 34, 0.56) 0%,
      rgba(34, 34, 34, 0.30) 38%,
      rgba(34, 34, 34, 0.08) 100%
    ),
    url("hero-bg-pc.jpg");
  background-size: cover;
  background-position: center center;
}

.hero-visual {
  display: none;
}

.hero-inner {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
  padding: var(--space-4xl) 0;
}

.hero-copy {
  max-width: 650px;
  display: grid;
  gap: var(--space-md);
  color: var(--color-paper);
}

.hero-kicker {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.32vw, 1.28rem);
  font-weight: 400;
  line-height: 1.25;
  opacity: 0.94;
  text-shadow: 0 1px 10px rgb(0 0 0 / 0.18);
}

h1,
.section-title,
.cta-panel h2,
.policy-wrap h1,
.policy-section h2 {
  font-family: var(--font-display);
  font-weight: 400;
}

h1 {
  font-size: clamp(3.6rem, 7vw, 6.7rem);
  line-height: 0.95;
  letter-spacing: 0;
  font-kerning: normal;
  font-feature-settings: "kern" 1;
  text-shadow: 0 2px 16px rgb(0 0 0 / 0.28);
}

.hero-subhead {
  font-family: var(--font-display);
  font-size: clamp(1.48rem, 2.4vw, 2.25rem);
  line-height: 1.25;
  text-shadow: 0 2px 12px rgb(0 0 0 / 0.28);
}

.hero-lead {
  max-width: 560px;
  color: color-mix(in srgb, var(--color-paper) 90%, transparent);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.55;
  text-shadow: 0 1px 10px rgb(0 0 0 / 0.22);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-sm);
}

.button {
  min-height: 52px;
  min-width: 212px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  border: 1px solid currentColor;
  border-radius: 4px;
  padding: 13px 28px;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button::after,
.text-link::after {
  color: var(--color-accent);
  content: "›";
  font-size: 1.25em;
  line-height: 0;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  border-color: var(--color-paper);
  background: var(--color-paper);
  color: var(--color-accent-dark);
}

.button-primary:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-paper);
}

.button-primary:hover::after {
  color: var(--color-paper);
}

.button-secondary {
  color: var(--color-paper);
  background: rgb(255 255 255 / 0.04);
}

.button-secondary:hover {
  border-color: var(--color-paper);
  background: var(--color-paper);
  color: var(--color-accent-dark);
}

.hero .button {
  width: 246px;
}

.section {
  padding: var(--space-2xl) 0;
}

.section-large {
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.section + .section .section-inner,
.values .section-inner,
.cta-section .section-inner {
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-2xl);
}

.section-title {
  color: var(--color-ink);
  font-size: clamp(1.78rem, 4vw, 3.1rem);
  line-height: 1.15;
}

.section-title-small {
  font-size: clamp(1.65rem, 2.8vw, 2.15rem);
}

.section-title-centered {
  margin: 0 auto;
  text-align: center;
}

.section-title-centered::after,
#display-title::after {
  width: 52px;
  height: 2px;
  display: block;
  margin: 12px auto 0;
  background: var(--color-accent);
  content: "";
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

#display .section-lead {
  max-width: none;
  margin: 12px auto 8px;
  color: var(--color-soft-ink);
  font-size: 0.92rem;
  text-align: center;
}

.inline-seal {
  width: 24px;
  height: 24px;
  display: inline-block;
  margin-left: 8px;
  background: url("rakkan.png") center / contain no-repeat;
  vertical-align: 0.05em;
}

.concept-grid {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.concept-copy {
  display: grid;
  gap: var(--space-lg);
}

.story-text {
  display: grid;
  gap: var(--space-md);
  max-width: 62ch;
  color: var(--color-soft-ink);
  font-size: 0.98rem;
}

.image-frame {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--color-line);
  background: var(--color-paper);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-frame-hero {
  aspect-ratio: 1.72 / 1;
  background: #F4EFE7;
}

.image-frame-hero img {
  object-fit: cover;
  object-position: center 56%;
}

.works-grid,
.display-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.work-card,
.display-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-paper);
}

.work-image {
  aspect-ratio: 1.24 / 1;
  border: 0;
  border-bottom: 1px solid var(--color-line);
  background: #FBFAF6;
}

.work-image img {
  object-fit: cover;
  object-position: center center;
}

.work-body {
  min-height: 168px;
  display: grid;
  justify-items: center;
  gap: 7px;
  padding: var(--space-md) var(--space-md) var(--space-lg);
  text-align: center;
}

.badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  background: var(--color-accent);
  color: var(--color-paper);
  padding: 3px 8px;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 400;
  line-height: 1.35;
}

.card-text {
  color: var(--color-soft-ink);
  font-size: 0.88rem;
  line-height: 1.45;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
  color: var(--color-ink);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.text-link:hover {
  color: var(--color-accent-dark);
}

.values {
  background: transparent;
}

.values-grid {
  display: grid;
  gap: var(--space-lg);
}

.value-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px var(--space-md);
  align-items: start;
  padding: var(--space-md) 0;
}

.value-icon {
  grid-row: span 2;
  width: 48px;
  height: 48px;
}

.value-icon-rakkan {
  position: relative;
  display: block;
  border: 1.5px solid var(--color-muted);
  border-radius: 50%;
  background: transparent;
}

.value-icon-rakkan::before {
  position: absolute;
  inset: 14px;
  background: url("rakkan_gray.png") center / contain no-repeat;
  content: "";
}

.value-item h3,
.display-card h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 400;
  line-height: 1.3;
}

.value-item p,
.display-card p {
  color: var(--color-soft-ink);
  font-size: 0.9rem;
  line-height: 1.55;
}

.display-card {
  border: 0;
  background: transparent;
}

.display-card .image-frame {
  aspect-ratio: 1 / 1;
  border: 0;
  background: #F7F3ED;
}

.display-card .image-frame img {
  object-fit: cover;
  object-position: center center;
}

.display-body {
  display: grid;
  gap: 4px;
  padding: var(--space-sm) 0 0;
}

.cta-section {
  padding: 0 0 var(--space-2xl);
}

.cta-panel {
  min-height: 190px;
  display: grid;
  gap: var(--space-lg);
  align-items: center;
  justify-items: center;
  background:
    linear-gradient(90deg, rgb(250 249 247 / 0.08), rgb(250 249 247 / 0.80) 30%, rgb(250 249 247 / 0.92) 100%),
    url("shop_card.png") center / cover no-repeat;
  padding: clamp(28px, 5vw, 48px);
  text-align: center;
}

.cta-panel h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.cta-panel p {
  max-width: 680px;
  margin: var(--space-sm) auto 0;
  color: var(--color-soft-ink);
  font-size: 0.96rem;
}

.cta-panel .button-primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-paper);
}

.cta-panel .button-primary::after {
  color: var(--color-paper);
}

.site-footer {
  border-top: 1px solid var(--color-line);
}

.footer-inner {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
}

.footer-brand {
  display: grid;
  gap: 4px;
}

.footer-brand strong {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 400;
}

.footer-brand p,
.footer-meta {
  color: var(--color-soft-ink);
  font-size: 0.86rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  align-items: center;
}

.footer-links a,
.policy-main a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.footer-links a:hover,
.policy-main a:hover {
  color: var(--color-accent-dark);
}

.policy-main {
  padding: var(--space-3xl) 0 var(--space-4xl);
}

.policy-wrap {
  max-width: 820px;
}

.policy-wrap h1 {
  margin-bottom: var(--space-md);
  font-size: clamp(2.2rem, 5.2vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0;
  text-shadow: none;
}

.policy-meta {
  margin-bottom: var(--space-xl);
  color: var(--color-muted);
  font-size: 0.92rem;
}

.policy-intro {
  max-width: 68ch;
  color: var(--color-soft-ink);
}

.policy-content {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.policy-section {
  display: grid;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-line);
}

.policy-section h2 {
  font-size: 1.45rem;
  line-height: 1.25;
}

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

.policy-section ul {
  margin: 0;
  padding-left: 1.2em;
}

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

@media (min-width: 640px) {
  .works-grid,
  .display-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .section-head {
    grid-template-columns: 1fr auto;
  }

  #works .section-head,
  #display .section-head {
    display: block;
  }

  .button-row {
    align-items: center;
  }
}

@media (min-width: 960px) {
  .concept-grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: var(--space-4xl);
  }

  .works-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .values-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .value-item + .value-item {
    border-left: 1px solid var(--color-line);
    padding-left: var(--space-xl);
  }

  .footer-inner {
    grid-template-columns: minmax(220px, 1fr) auto auto;
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .hero {
    min-height: 670px;
  }
}

@media (max-width: 767px) {
  .header-inner,
  .section-inner,
  .footer-inner,
  .policy-wrap,
  .hero-inner {
    width: min(calc(100% - 32px), var(--container));
  }

  .header-inner {
    min-height: 64px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--color-line);
    background: var(--color-paper);
    box-shadow: 0 18px 40px rgb(74 70 66 / 0.13);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    padding: 0 var(--space-md);
    border-bottom: 1px solid var(--color-line);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .hero {
    min-height: auto;
    display: block;
    background: none;
  }

  .hero-visual {
    min-height: 520px;
    display: block;
    background-image: url("hero-bg-sp.jpg");
    background-size: cover;
    background-position: center top;
  }

  .hero-inner {
    padding: var(--space-xl) 0 var(--space-2xl);
  }

  .hero-copy {
    color: var(--color-ink);
  }

  h1,
  .hero-kicker,
  .hero-subhead,
  .hero-lead {
    text-shadow: none;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .hero-lead {
    color: var(--color-soft-ink);
  }

  .button-row {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .button {
    width: 100%;
    min-width: 0;
  }

  .hero .button {
    width: 100%;
  }

  .button-primary {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-paper);
  }

  .button-primary::after {
    color: var(--color-paper);
  }

  .button-secondary {
    color: var(--color-ink);
    background: transparent;
  }

  .section,
  .section-large {
    padding: var(--space-2xl) 0;
  }

  .work-body {
    min-height: auto;
  }

  .cta-panel {
    background:
      linear-gradient(180deg, rgb(250 249 247 / 0.72), rgb(250 249 247 / 0.96)),
      url("shop_card.png") left center / cover no-repeat;
  }
}