:root {
  --color-sumi: #1a1a1a;
  --color-kinari: #fdfbf7;
  --color-seiji: #a1b8b3;
  --color-shu: #d95c50;
  --color-gold: #d4af37;
  --color-line: rgba(26, 26, 26, 0.08);
  --color-line-soft: rgba(212, 175, 55, 0.18);
  --font-serif: 'Noto Serif JP', serif;
  --font-en: 'Cormorant Garamond', serif;
}

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

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

#business-2 {
  scroll-margin-top: 100px;
}

#business-4 {
  scroll-margin-top: 100px;
}

#business-5 {
  scroll-margin-top: 100px;
}

body {
  font-family: var(--font-serif);
  background:
    radial-gradient(circle at 12% 12%, rgba(161, 184, 179, 0.08), transparent 30%),
    radial-gradient(circle at 88% 18%, rgba(212, 175, 55, 0.08), transparent 28%),
    linear-gradient(180deg, #fffefb 0%, var(--color-kinari) 100%);
  color: var(--color-sumi);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Cormorant Garamond', serif !important;
}

main,
section {
  display: block;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

/* Scroll reveal */
.fade-in {
  opacity: 1;
  transform: none;
}

html.js-enabled .fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 1s cubic-bezier(0.25, 1, 0.5, 1),
    transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

html.js-enabled .fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 15px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: rgba(253, 251, 247, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 26, 26, 0.05);
  z-index: 1000;
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease,
    padding 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(253, 251, 247, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-sumi);
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav {
  display: none;
}

.header-cta {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.95rem;
  padding: 8px 24px;
  border: 1px solid var(--color-sumi);
  color: var(--color-sumi);
  transition:
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
}

.header-cta:hover,
.header-cta:focus-visible {
  background-color: var(--color-sumi);
  color: var(--color-kinari);
  outline: none;
}

@media (min-width: 1024px) {
  .site-nav {
    display: flex;
    gap: 24px;
    align-items: center;
  }

  .site-nav a {
    font-family: var(--font-en);
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    position: relative;
  }

  .site-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-gold);
    transition: width 0.3s ease;
  }

  .site-nav a:hover::after,
  .site-nav a:focus-visible::after {
    width: 100%;
  }
}

/* Sections */
section {
  padding: 120px 0;
  position: relative;
}

.section-light {
  background-color: #fff;
}

.section-title {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 4rem;
  letter-spacing: 0.1em;
  color: var(--color-sumi);
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background-color: var(--color-gold);
  margin: 24px auto 0;
}

.section-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
  line-height: 2;
  color: #4f4f4f;
}

/* Glass Card */
.glass-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  padding: 40px 30px;
  border-radius: 6px;
  text-align: center;
}

/* Hero */
.hero {
  position: relative;
  min-height: 800px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 120px;
  background:
    radial-gradient(circle at 70% 30%, rgba(161, 184, 179, 0.2), transparent 50%),
    radial-gradient(circle at 30% 70%, rgba(212, 175, 55, 0.1), transparent 50%);
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(50px);
  opacity: 0.45;
  pointer-events: none;
}

.hero-orb-a {
  width: 280px;
  height: 280px;
  right: 10%;
  top: 16%;
  background: rgba(161, 184, 179, 0.18);
}

.hero-orb-b {
  width: 220px;
  height: 220px;
  left: 12%;
  bottom: 14%;
  background: rgba(217, 92, 80, 0.1);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-labels {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 2rem;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.5;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-size: 1.1rem;
  line-height: 2.2;
  color: #444;
  font-weight: 300;
  margin-bottom: 3rem;
}

.hero-brands {
  font-family: var(--font-en);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--color-sumi);
  margin-bottom: 3rem;
}

.hero-highlights {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.highlight-card {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(212, 175, 55, 0.3);
  padding: 12px 24px;
  font-family: var(--font-en);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  border-radius: 4px;
}

/* Grid Systems */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* Identity */
.id-letter {
  font-family: var(--font-en);
  font-size: 3.5rem;
  color: var(--color-seiji);
  margin-bottom: 10px;
  line-height: 1;
}

.id-en {
  font-family: var(--font-en);
  font-size: 1.2rem;
  margin-bottom: 15px;
  letter-spacing: 0.05em;
}

.id-jp {
  font-size: 0.95rem;
  color: #666;
}

.mission-text {
  text-align: center;
  font-size: 1.4rem;
  line-height: 2;
  margin-top: 60px;
  padding: 40px;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

/* Story */
.section-dark {
  background-color: var(--color-sumi);
  color: var(--color-kinari);
}

.section-dark .section-title,
.section-dark h3,
.section-dark h4,
.section-dark p,
.section-dark li,
.section-dark blockquote {
  color: var(--color-kinari);
}

.story-grid {
  align-items: center;
}

.story-body {
  line-height: 2.2;
  opacity: 0.92;
}

.story-quote {
  font-size: 1.4rem;
  line-height: 2.2;
  border-left: 2px solid var(--color-gold);
  padding-left: 30px;
  margin: 0;
}

/* Business */
.biz-tag {
  display: inline-block;
  font-size: 0.8rem;
  padding: 4px 12px;
  border: 1px solid var(--color-seiji);
  color: var(--color-seiji);
  margin-bottom: 15px;
  letter-spacing: 0.05em;
}

.biz-title {
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-weight: 600;
  color: var(--color-sumi);
}

.nowrap-ja {
  display: inline;
}

.nowrap-pc {
  display: inline-block;
  white-space: nowrap;
}

@media (max-width: 767px) {
  .nowrap-ja {
    display: inline-block;
    white-space: nowrap;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  .nowrap-pc {
    display: inline;
    white-space: normal;
  }
}

.biz-desc {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.9;
  text-align: left;
}

/* Logistics */
.flow-step {
  background: #fff;
  border: 1px solid #eaeaea;
  padding: 24px;
  position: relative;
  text-align: left;
}

.flow-step h4 {
  color: var(--color-sumi);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.flow-step p {
  font-size: 0.9rem;
  color: #666;
  margin: 0;
}

.step-num {
  font-family: var(--font-en);
  color: var(--color-gold);
  font-size: 1.5rem;
  position: absolute;
  top: 20px;
  right: 24px;
  opacity: 0.5;
}

/* Network */
.network-wrap {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(253, 251, 247, 0.92));
  padding: 60px 40px;
  border: 1px solid rgba(212, 175, 55, 0.2);
  text-align: center;
  border-radius: 6px;
}

.network-copy {
  font-size: 1.05rem;
  line-height: 2;
  color: #444;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

@media (max-width: 767px) {
  .network-copy {
    text-align: left;
  }
}

.network-title {
  font-size: 1.5rem;
  margin-bottom: 20px;
  font-weight: 600;
  color: var(--color-sumi);
}

.network-copy {
  font-size: 1.05rem;
  line-height: 2;
  color: #444;
  max-width: 800px;
  margin: 0 auto;
}

/* Technology */
.tech-label {
  text-align: center;
  font-family: var(--font-en);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.tech-numbers {
  font-family: var(--font-en);
  font-size: clamp(3rem, 6vw, 6rem);
  color: var(--color-gold);
  text-align: center;
  line-height: 1.1;
  margin: 60px 0;
  letter-spacing: 0.05em;
}

@media (max-width: 767px) {
  html.is-line .nowrap-line {
    display: inline-block;
    white-space: nowrap;
    word-break: keep-all;
    overflow-wrap: normal;
  }
}

.tech-for {
  font-size: 0.3em;
  color: var(--color-kinari);
  vertical-align: middle;
}

.tech-copy-wrap {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  line-height: 2;
  opacity: 0.92;
}

.tech-copy {
  margin-bottom: 20px;
}

/* Produce */
.produce-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  margin-bottom: 20px;
}

.produce-chip {
  background: #fff;
  border: 1px solid #e0e0e0;
  padding: 10px 20px;
  font-size: 0.95rem;
  color: var(--color-sumi);
  border-radius: 999px;
}

/* Team */
.team-wrap {
  max-width: 900px;
  margin: 0 auto;
}

.team-list {
  list-style: none;
  border-top: 1px solid #e0e0e0;
}

.team-item {
  display: flex;
  flex-direction: column;
  padding: 30px 0;
  border-bottom: 1px solid #e0e0e0;
}

.team-role {
  color: var(--color-seiji);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  font-weight: 600;
}

.team-desc {
  font-size: 1.1rem;
  color: var(--color-sumi);
  line-height: 1.7;
}

.team-desc span {
  display: inline;
  font-size: 0.9rem;
  color: #666;
}

@media (min-width: 768px) {
  .team-item {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }

  .team-role {
    width: 300px;
    flex-shrink: 0;
    margin-bottom: 0;
  }
}

/* Contact */
.contact-card {
  border: 1px solid var(--color-sumi);
  padding: 40px 30px;
  text-align: center;
  transition:
    background 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
  display: block;
  border-radius: 4px;
}

.contact-card:hover,
.contact-card:focus-visible {
  background: var(--color-sumi);
  color: var(--color-kinari);
  outline: none;
}

.contact-card:hover .c-desc,
.contact-card:focus-visible .c-desc {
  color: var(--color-kinari);
}

.c-title {
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.c-desc {
  font-size: 0.9rem;
  color: #666;
  transition: color 0.3s ease;
}

/* Footer */
footer {
  background-color: var(--color-sumi);
  color: rgba(253, 251, 247, 0.7);
  padding: 80px 5%;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-en);
  color: var(--color-kinari);
  font-size: 1.8rem;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}

.footer-copy {
  margin-bottom: 10px;
  font-family: var(--font-serif);
}

.footer-place {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: rgba(253, 251, 247, 0.5);
  font-family: var(--font-en);
}

.sp-break {
  display: none;
}

/* Responsive */
@media (max-width: 767px) {
  section {
    padding: 88px 0;
  }

  .hero {
    min-height: 720px;
    padding-top: 120px;
  }

  .hero-title {
    font-size: 2rem;
    line-height: 1.65;
  }

  .hero-subtitle {
    font-size: 1rem;
    line-height: 2;
  }

  .hero-brands {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
  }

  .hero-labels {
    line-height: 1.9;
  }

  .sp-break {
    display: block;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 3rem;
  }

  .mission-text {
    font-size: 1.15rem;
    padding: 30px 20px;
  }

  .story-quote {
    font-size: 1.1rem;
    padding-left: 20px;
  }

  .network-wrap {
    padding: 36px 24px;
  }

  .header-actions {
    gap: 12px;
  }

  .header-cta {
    padding: 8px 18px;
    font-size: 0.9rem;
  }

  .logo {
    font-size: 1.1rem;
  }
}

/* 文字を小さくするための専用クラス */
.small-text {
  font-size: 0.8rem;
  color: #666;
  display: block;
  margin-top: 5px;
}

/* ------------------------------
   LINE内ブラウザだけに効かせる最小補正
   ------------------------------ */
html.is-line body {
  font-family: var(--font-serif) !important;
}

html.is-line .hero-labels,
html.is-line .hero-subtitle,
html.is-line .hero-brands,
html.is-line .network-copy,
html.is-line .biz-desc,
html.is-line .team-desc,
html.is-line .c-desc,
html.is-line .section-intro,
html.is-line .tech-copy {
  word-break: normal;
  overflow-wrap: normal;
  line-break: strict;
}

html.is-line .hero-title {
  max-width: 10.5em;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.38;
  letter-spacing: 0.03em;
}

html.is-line .hero-subtitle {
  max-width: 34em;
  margin-left: auto;
  margin-right: auto;
}

html.is-line .hero-labels {
  max-width: 38em;
  margin-left: auto;
  margin-right: auto;
}

html.is-line .hero-brands {
  max-width: 28em;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

html.is-line .network-copy {
  max-width: 52em;
  margin-left: auto;
  margin-right: auto;
  line-height: 2;
}

@media (max-width: 767px) {
  html.is-line .hero-title {
    max-width: 100%;
    line-height: 1.5;
  }

  html.is-line .hero-labels,
  html.is-line .hero-subtitle,
  html.is-line .hero-brands,
  html.is-line .network-copy {
    max-width: 100%;
  }
}