:root {
  --color-primary:      #E8541B;
  --color-primary-dark: #C94418;
  --color-accent:       #F5B731;
  --color-bg:           #FAFAF7;
  --color-bg-alt:       #F4EDE3;
  --color-bg-dark:      #1A1A18;
  --color-bg-dark2:     #232320;
  --color-text:         #1A1A1A;
  --color-text-muted:   #706560;
  --color-text-light:   #FFFFFF;
  --color-border:       #DDD8CF;
  --color-border-dark:  #3A3A36;

  --font-sans: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN',
               'Yu Gothic', 'Meiryo', sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;

  --max-width: 1200px;
  --radius: 8px;
  --radius-lg: 16px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--color-bg);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.3;
  font-weight: 700;
  color: var(--color-text);
}

p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 18px 0;
}

.page-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.header-brand__logo {
  flex-shrink: 0;
}

.header-brand__name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.header-brand__name span {
  color: var(--color-primary);
}

.header-brand__sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
  display: block;
}

.header-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.header-back:hover {
  color: var(--color-primary-dark);
}

.page-hero {
  background-color: var(--color-bg-dark);
  padding: 72px 0;
  text-align: center;
}

.page-hero__label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-text-light);
  margin-bottom: 14px;
}

.page-hero__desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

.page-main {
  padding: 72px 0 96px;
}

.page-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-content-empty {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  padding: 80px 24px;
}

.page-content-empty__icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.page-content-empty__title {
  font-size: 1.3rem;
  color: var(--color-text);
  margin-bottom: 10px;
}

.page-content-empty__desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.about-block {
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}

.about-block:last-child {
  border-bottom: none;
}

.about-block__label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.about-block__title {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  color: var(--color-text);
  margin-bottom: 16px;
}

.about-block__body {
  font-size: 0.97rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  max-width: 680px;
}

.about-block__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-block__inner--reversed .about-block__text {
  order: 2;
}

.about-block__inner--reversed .about-block__visual {
  order: 1;
}

.about-img-placeholder img,
.about-block-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 0;
  border: none;
  display: block;
}

.about-img-placeholder {
  background-color: var(--color-bg-alt);
  border: 2px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  height: 400px;
  gap: 10px;
}

.about-img-placeholder svg {
  opacity: 0.3;
}

.about-img-placeholder span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.value-card {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.value-card__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-text-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.value-card__title {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  font-family: var(--font-sans);
}

.value-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.page-footer {
  background-color: var(--color-bg-dark2);
  border-top: 1px solid var(--color-border-dark);
  padding: 40px 0;
}

.page-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.page-footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.page-footer__brand-name span {
  color: var(--color-primary);
}

.page-footer__links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.page-footer__links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
}

.page-footer__links a:hover {
  color: rgba(255,255,255,0.7);
}

.page-footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
  width: 100%;
  margin-top: 4px;
}

@media (max-width: 768px) {
  .about-block__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-block__inner--reversed .about-block__text,
  .about-block__inner--reversed .about-block__visual {
    order: unset;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .page-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}