/* ====================================================
   WEST 株式会社 — style.css
   ==================================================== */

/* ---- Design Tokens ---- */
:root {
  /* Colors */
  --color-bg:           #F2F0EB;
  --color-bg-products:  #E7E3DA;
  --color-bg-contact:   #1E1D1B;
  --color-text:         #1E1D1B;
  --color-text-body:    #45423D;
  --color-text-label:   #55524C;
  --color-text-sub:     #6A665F;
  --color-accent:       #8A5A3B;
  --color-accent-light: #D9B99B;
  --color-border:       #1E1D1B;
  --color-border-weak:  #C9C4B9;
  --color-border-mid:   #BEB8AC;

  /* Typography */
  --font-serif: 'Shippori Mincho B1', Georgia, serif;
  --font-sans:  'Zen Kaku Gothic New', 'Hiragino Sans', sans-serif;

  /* Layout */
  --max-width:  1120px;
  --side-pad:   24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

a {
  color: var(--color-text);
}

a:hover {
  color: #6E4A30;
}

/* ---- Layout Utility ---- */
.l-container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--side-pad);
}

.l-divider {
  height: 1px;
  background: var(--color-border);
}

/* ---- Header ---- */
.header {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 28px var(--side-pad);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px 40px;
}

.header__logo {
  display: flex;
  align-items: baseline;
  gap: 14px;
  text-decoration: none;
  color: var(--color-text);
}

.header__logo-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.header__logo-sub {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-text-label);
}

.header__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 28px;
  font-size: 13px;
  letter-spacing: 0.16em;
}

.header__nav a {
  text-decoration: none;
  padding: 10px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* ---- Hero ---- */
.hero {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 88px var(--side-pad) 72px;
}

.hero__eyebrow {
  margin: 0 0 36px;
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--color-accent);
}

.hero__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(36px, 6.4vw, 80px);
  line-height: 1.45;
  letter-spacing: 0.08em;
}

.hero__body {
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-weak);
  display: flex;
  flex-wrap: wrap;
  gap: 32px 64px;
  align-items: flex-start;
}

.hero__intro {
  flex: 999 1 380px;
  min-width: 0;
  margin: 0;
  max-width: 30em;
  color: var(--color-text-body);
}

.hero__stats {
  flex: 1 1 420px;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.hero__stat-term {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--color-text-sub);
}

.hero__stat-value {
  margin: 6px 0 0;
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.06em;
}

.hero__stat-value--accent {
  color: var(--color-accent);
}

/* ---- Section Header (shared 01/02/03/04) ---- */
.section-header {
  flex: 1 1 240px;
}

.section-header__number {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1;
  color: var(--color-accent);
}

.section-header__number--light {
  color: var(--color-accent-light);
}

.section-header__title {
  margin: 16px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.12em;
}

.section-header__label {
  margin: 4px 0 0;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
}

.section-header__label--dark-bg {
  color: #B8B3A9;
}

/* ---- Business (01) ---- */
.business {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 88px var(--side-pad);
  display: flex;
  flex-wrap: wrap;
  gap: 24px 64px;
}

.business__body {
  flex: 999 1 480px;
  min-width: 0;
}

.business__lead {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.8;
  letter-spacing: 0.06em;
}

.business__desc {
  margin: 20px 0 0;
  max-width: 34em;
  color: var(--color-text-body);
}

/* ---- Products (02) ---- */
.products {
  background: var(--color-bg-products);
}

.products__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 88px var(--side-pad);
  display: flex;
  flex-wrap: wrap;
  gap: 24px 64px;
}

.products__body {
  flex: 999 1 480px;
  min-width: 0;
}

.products__brand {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--color-text-label);
}

.products__name {
  margin: 6px 0 0;
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.5;
  letter-spacing: 0.08em;
}

.products__desc {
  margin: 20px 0 0;
  max-width: 34em;
  color: var(--color-text-body);
}

.products__cta {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}

.products__btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 0 28px;
  background: var(--color-text);
  color: var(--color-bg);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.14em;
}

.products__btn:hover {
  background: #3a3836;
  color: var(--color-bg);
}

.products__store-badge {
  font-size: 13px;
  color: var(--color-text-label);
}

.products__others-label {
  margin: 72px 0 0;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
}

.products__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-border);
}

.products__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border-mid);
}

.products__item-name {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.08em;
}

.products__item-note {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-text-label);
}

/* ---- Company (03) ---- */
.company {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 88px var(--side-pad);
  display: flex;
  flex-wrap: wrap;
  gap: 24px 64px;
}

.company__dl {
  flex: 999 1 480px;
  min-width: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
}

.company__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border-weak);
}

.company__dt {
  flex: 0 0 140px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--color-text-label);
}

.company__dd {
  flex: 1 1 260px;
  margin: 0;
}

/* ---- Contact (04) ---- */
.contact {
  background: var(--color-bg-contact);
  color: var(--color-bg);
}

.contact__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 96px var(--side-pad);
  display: flex;
  flex-wrap: wrap;
  gap: 24px 64px;
  align-items: flex-end;
}

.contact__body {
  flex: 999 1 480px;
  min-width: 0;
}

.contact__text {
  margin: 0 0 20px;
  color: #CFCAC0;
}

.contact__email {
  display: inline-block;
  padding: 8px 0;
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 44px);
  letter-spacing: 0.06em;
  color: var(--color-bg);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent-light);
  overflow-wrap: anywhere;
}

.contact__email:hover {
  color: var(--color-accent-light);
}

/* ---- Footer ---- */
.footer {
  background: var(--color-bg);
}

.footer__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: 64px var(--side-pad) 0;
  display: flex;
  flex-wrap: wrap;
  gap: 40px 64px;
  justify-content: space-between;
}

.footer__logo {
  flex: 1 1 320px;
}

.footer__logo-link {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  text-decoration: none;
  color: var(--color-text);
}

.footer__logo-name {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.footer__logo-sub {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-text-label);
}

.footer__info {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-body);
}

.footer__nav {
  flex: 0 1 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  font-size: 13px;
  letter-spacing: 0.14em;
}

.footer__nav a {
  text-decoration: none;
  padding: 10px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer__bottom {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--side-pad);
}

.footer__bottom-inner {
  margin-top: 56px;
  padding: 24px 0 36px;
  border-top: 1px solid var(--color-border-weak);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 24px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-text-label);
}

.footer__copy {
  font-size: 12px;
}

.footer__top-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  text-decoration: none;
  color: var(--color-text-label);
}

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

/* ---- Responsive (375px) ---- */
@media (max-width: 600px) {
  .hero {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .hero__body {
    margin-top: 48px;
    gap: 24px;
  }

  .hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    flex: 1 1 100%;
  }

  .business,
  .products__inner,
  .company,
  .contact__inner {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .company__dt {
    flex: 0 0 100%;
  }

  .company__dd {
    flex: 1 1 100%;
  }

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