/*
 * RAISHO 官网 VI 轻改 v1.0
 * 只覆盖视觉属性；不改变页面内容、信息结构、链接或交互逻辑。
 * Logo 图形文件保持原样，本层只规定显示尺度、留白与底色。
 */

:root {
  --raisho-navy: #20325d;
  --raisho-navy-deep: #151f38;
  --raisho-ivory: #f4efe6;
  --raisho-paper: #f8f6f1;
  --raisho-stone: #d8d1c7;
  --raisho-ink: #20211f;
  --raisho-muted: #666660;
  --raisho-line: rgba(32, 50, 93, 0.16);
  --raisho-line-light: rgba(244, 239, 230, 0.22);

  --raisho-font-display: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --raisho-font-text: "Hiragino Sans GB", "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --raisho-font-meta: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --raisho-shell: 1248px;
  --raisho-gutter: 24px;
  --raisho-space-1: 8px;
  --raisho-space-2: 16px;
  --raisho-space-3: 24px;
  --raisho-space-4: 32px;
  --raisho-space-5: 48px;
  --raisho-space-6: 64px;
  --raisho-space-7: 96px;
  --raisho-space-8: 128px;

  --raisho-type-00: 10px;
  --raisho-type-01: 13px;
  --raisho-type-02: 16px;
  --raisho-type-03: 20px;
  --raisho-type-04: 25px;
  --raisho-type-05: 31px;
  --raisho-type-06: 39px;
  --raisho-type-07: 49px;
  --raisho-type-08: 61px;

  --ink: var(--raisho-ink);
  --sub: var(--raisho-muted);
  --muted: var(--raisho-muted);
  --line: var(--raisho-line);
  --paper: var(--raisho-paper);
  --paper-2: #efede8;
  --white: #fffefb;
  --green: var(--raisho-navy);
  --wine: var(--raisho-navy);
  --indigo: var(--raisho-navy);
  --wood: var(--raisho-navy);
  --charcoal: var(--raisho-navy-deep);
  --max: var(--raisho-shell);
  --shadow: 0 16px 48px rgba(21, 31, 56, 0.08);
}

html {
  background: var(--raisho-paper);
}

body {
  color: var(--raisho-ink);
  background: var(--raisho-paper);
  font-family: var(--raisho-font-text);
  font-size: var(--raisho-type-02);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0;
  font-kerning: normal;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
textarea,
select {
  font-family: var(--raisho-font-text);
}

h1,
h2,
h3,
.quote,
.fact strong {
  font-family: var(--raisho-font-display);
  font-weight: 400;
  letter-spacing: 0.035em;
  font-synthesis: none;
  text-wrap: balance;
}

p,
li,
figcaption {
  text-wrap: pretty;
}

.wrap,
.hero-inner,
.origin-ledger,
.member-panel,
.footer-inner,
.article-hero-copy,
.nav {
  width: min(calc(100% - var(--raisho-space-7)), var(--raisho-shell));
}

.site-header {
  border-bottom: 1px solid var(--raisho-line);
  background: rgba(248, 246, 241, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav {
  min-height: 80px;
  gap: var(--raisho-space-4);
}

.brand {
  min-width: 190px;
  gap: var(--raisho-space-2);
}

.mark {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border: 0;
  background: var(--raisho-navy);
}

.mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand strong {
  font-family: var(--raisho-font-display);
  font-size: 18px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: 0.08em;
}

.brand span span {
  margin-top: 0;
  color: rgba(32, 50, 93, 0.68);
  font-family: var(--raisho-font-meta);
  font-size: var(--raisho-type-00);
  font-weight: 500;
  line-height: 16px;
  letter-spacing: 0.12em;
}

.nav-links {
  gap: var(--raisho-space-4);
  color: rgba(32, 33, 31, 0.84);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.nav-links a {
  padding: 30px 0 28px;
  border-bottom-width: 1px;
}

.nav-links a[aria-current="page"] {
  color: var(--raisho-navy);
  border-color: var(--raisho-navy);
}

.nav-actions {
  gap: var(--raisho-space-1);
}

.button,
.icon-button,
.filter,
.catalog-sku-list span,
.catalog-stats span {
  border-color: var(--raisho-line);
  border-radius: 0;
  box-shadow: none;
}

.button {
  min-height: 48px;
  padding-inline: var(--raisho-space-3);
  border-color: var(--raisho-navy);
  background: var(--raisho-navy);
  color: var(--raisho-ivory);
  font-size: 12px;
  font-weight: 500;
  line-height: 16px;
  letter-spacing: 0.06em;
}

.button.secondary {
  border-color: var(--raisho-navy);
  background: transparent;
  color: var(--raisho-navy);
}

.button.light {
  border-color: var(--raisho-ivory);
  background: var(--raisho-ivory);
  color: var(--raisho-navy-deep);
}

.icon-button {
  width: 44px;
  height: 44px;
  background: transparent;
}

.eyebrow,
.ledger-item b,
.principle b,
.about-list b,
.archive-band b,
.mini-grid b,
.spec-list b,
.article-aside-block b,
.contact-channel .eyebrow {
  color: rgba(32, 50, 93, 0.72);
  font-family: var(--raisho-font-meta);
  font-size: var(--raisho-type-00);
  font-weight: 500;
  line-height: 16px;
  letter-spacing: 0.1em;
}

.hero .eyebrow,
.page-hero .eyebrow,
.article-hero .eyebrow,
.feature-article .eyebrow,
.section-dark .eyebrow {
  color: rgba(244, 239, 230, 0.64);
}

.hero {
  min-height: 704px;
  padding: 160px 0 80px;
  background: var(--raisho-navy-deep);
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(13, 18, 32, 0.9), rgba(13, 18, 32, 0.54) 52%, rgba(13, 18, 32, 0.22)),
    linear-gradient(0deg, rgba(13, 18, 32, 0.72), rgba(13, 18, 32, 0.06) 46%),
    url("raisho-hero-origin.png") center / cover;
}

.hero h1,
.hero-inner h1 {
  max-width: 8em;
  margin-bottom: var(--raisho-space-3);
  font-size: clamp(49px, 5.2vw, var(--raisho-type-08));
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: 0.055em;
}

.hero-copy {
  max-width: 32em;
  margin-bottom: var(--raisho-space-4);
  color: rgba(244, 239, 230, 0.78);
  font-size: var(--raisho-type-02);
  line-height: 2;
}

.hero-actions {
  gap: var(--raisho-space-2);
}

.origin-ledger {
  border-color: var(--raisho-line);
  background: var(--raisho-paper);
}

.ledger-item {
  min-height: 128px;
  padding: var(--raisho-space-3);
  border-color: var(--raisho-line);
  background: rgba(248, 246, 241, 0.98);
}

.ledger-item span {
  font-size: var(--raisho-type-01);
  font-weight: 500;
  line-height: 24px;
}

section {
  padding: var(--raisho-space-7) 0;
  border-bottom-color: var(--raisho-line);
}

.section-white,
.article-related {
  background: #fffefb;
}

.section-dark,
.site-footer,
.article-hero {
  background: var(--raisho-navy-deep);
}

.section-head {
  grid-template-columns: 7fr 5fr;
  gap: var(--raisho-gutter);
  margin-bottom: var(--raisho-space-6);
}

.section-head h2 {
  max-width: 14em;
  font-size: clamp(39px, 4vw, var(--raisho-type-07));
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.04em;
}

.section-head p {
  max-width: 32em;
  font-size: var(--raisho-type-01);
  line-height: 24px;
}

.section-dark .section-head p {
  color: rgba(244, 239, 230, 0.68);
}

.principles {
  border-color: var(--raisho-line);
  background: transparent;
}

.principle {
  min-height: 224px;
  padding: var(--raisho-space-4);
  border-color: var(--raisho-line);
}

.principle b {
  margin-bottom: var(--raisho-space-5);
}

.principle h3 {
  margin-bottom: var(--raisho-space-2);
  font-size: var(--raisho-type-03);
  line-height: 32px;
}

.principle p {
  font-size: var(--raisho-type-01);
  line-height: 24px;
}

.story-grid,
.about-band,
.detail,
.contact-cooperation,
.article-layout {
  gap: var(--raisho-space-6);
}

.image-frame {
  min-height: 0;
  aspect-ratio: 4 / 3;
  background: var(--raisho-stone);
}

.quote {
  font-size: clamp(31px, 3.2vw, var(--raisho-type-07));
  line-height: 1.35;
}

.facts {
  border-color: var(--raisho-line-light);
}

.fact {
  padding: var(--raisho-space-3) var(--raisho-space-2) 0 0;
  color: rgba(244, 239, 230, 0.64);
  font-size: var(--raisho-type-01);
  line-height: 24px;
}

.fact strong {
  color: var(--raisho-ivory);
  font-size: var(--raisho-type-03);
  line-height: 32px;
}

.brand-strip,
.category-grid,
.mini-grid,
.spec-list,
.about-list,
.archive-band {
  border-color: var(--raisho-line);
  background: var(--raisho-line);
}

.brand-tile,
.category-card,
.mini-grid div,
.spec-list div,
.about-list div,
.archive-band,
.archive-band div {
  background: #fffefb;
}

.brand-logo-panel {
  background: var(--raisho-paper);
}

.brand-tile h3,
.card h3,
.catalog-product-body h3,
.product h3 {
  font-family: var(--raisho-font-display);
  font-weight: 400;
  letter-spacing: 0.025em;
}

.brand-tile p,
.card p,
.catalog-product-body p,
.product p {
  color: var(--raisho-muted);
  font-size: var(--raisho-type-01);
  line-height: 24px;
}

.filter {
  min-height: 40px;
  padding-inline: var(--raisho-space-2);
  background: transparent;
  color: var(--raisho-muted);
  font-size: 12px;
  font-weight: 500;
}

.filter.active {
  border-color: var(--raisho-navy);
  background: var(--raisho-navy);
  color: var(--raisho-ivory);
}

.products,
.grid-3,
.grid-2,
.platform-catalog-grid,
.contact-channels {
  gap: var(--raisho-gutter);
}

.product,
.product-card,
.catalog-product-card,
.card,
.brand-feature,
.contact-channel,
.business-form {
  border-color: var(--raisho-line);
  background: #fffefb;
}

.product img {
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--raisho-paper);
}

.product-body,
.card-body,
.catalog-product-body {
  padding: var(--raisho-space-3);
}

.tag {
  min-height: 24px;
  padding-inline: var(--raisho-space-1);
  color: var(--raisho-navy);
  background: rgba(32, 50, 93, 0.07);
  font-size: var(--raisho-type-00);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.tag.secondary {
  color: rgba(32, 50, 93, 0.72);
  background: rgba(32, 50, 93, 0.04);
}

.catalog-stats,
.catalog-sku-list {
  gap: var(--raisho-space-1);
  font-size: var(--raisho-type-01);
  font-weight: 500;
}

.catalog-stats span,
.catalog-sku-list span {
  min-height: 28px;
  padding-inline: var(--raisho-space-1);
  background: var(--raisho-paper);
}

.price-row {
  border-color: var(--raisho-line);
  font-weight: 500;
}

.ghost-link,
.journal-card .read-link {
  color: var(--raisho-navy);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.feature-article,
.article-list a {
  border-color: var(--raisho-line-light);
}

.feature-article::before {
  background:
    linear-gradient(0deg, rgba(13, 18, 32, 0.9), rgba(13, 18, 32, 0.14) 64%),
    url("tamanohikari-photo-02-web.jpg") center / cover;
}

.feature-article h3 {
  font-size: clamp(31px, 3.2vw, var(--raisho-type-07));
  font-weight: 400;
  line-height: 1.35;
}

.article-list a {
  background: var(--raisho-navy-deep);
}

.article-list h3 {
  color: var(--raisho-ivory);
  font-size: var(--raisho-type-03);
  font-weight: 400;
  line-height: 32px;
}

.member {
  background:
    linear-gradient(90deg, rgba(21, 31, 56, 0.96), rgba(32, 50, 93, 0.86)),
    url("raisho-long-term-selection-web.jpg") center / cover;
}

.member h2,
.about-copy h2,
.contact-cooperation h2,
.brand-feature-copy h2 {
  font-size: clamp(39px, 4vw, var(--raisho-type-07));
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.04em;
}

.member-box {
  padding: var(--raisho-space-4);
  border-color: var(--raisho-line-light);
  background: rgba(244, 239, 230, 0.06);
  backdrop-filter: none;
}

.site-footer {
  padding: var(--raisho-space-5) 0;
  color: rgba(244, 239, 230, 0.64);
}

.footer-inner {
  font-size: var(--raisho-type-01);
  line-height: 24px;
}

.page-hero {
  padding: var(--raisho-space-7) 0 var(--raisho-space-6);
  background: var(--raisho-navy-deep);
}

.page-hero::before {
  background:
    linear-gradient(90deg, rgba(13, 18, 32, 0.92), rgba(13, 18, 32, 0.56) 54%, rgba(13, 18, 32, 0.2)),
    var(--hero-image, none) center / cover;
}

.page-hero h1,
.article-hero h1 {
  max-width: 15em;
  margin-bottom: var(--raisho-space-3);
  font-size: clamp(39px, 4vw, var(--raisho-type-07));
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.04em;
}

.lead,
.article-dek {
  max-width: 40em;
  color: rgba(244, 239, 230, 0.72);
  font-size: var(--raisho-type-02);
  line-height: 32px;
}

.category-card {
  min-height: 248px;
  padding: var(--raisho-space-4);
}

.category-card h3 {
  font-size: var(--raisho-type-04);
  font-weight: 400;
  line-height: 36px;
}

.product-media {
  min-height: 0;
  aspect-ratio: 4 / 3;
  background: var(--raisho-paper);
}

.product-media.logo-media {
  padding: var(--raisho-space-6);
}

.product-body,
.brand-feature-copy {
  padding: var(--raisho-space-4);
  gap: var(--raisho-space-2);
}

.product-body h3 {
  font-size: var(--raisho-type-05);
  font-weight: 400;
  line-height: 40px;
}

.brand-feature + .brand-feature {
  margin-top: var(--raisho-space-3);
}

.brand-feature-copy h2 {
  margin: 0;
}

.line-list,
.line-list div,
.article-aside-block,
.article-body .drink-note,
.catalog-skus,
.catalog-reviews,
.price-row {
  border-color: var(--raisho-line);
}

.article-hero-inner {
  min-height: 600px;
}

.article-hero-inner::after {
  background:
    linear-gradient(90deg, rgba(13, 18, 32, 0.88), rgba(13, 18, 32, 0.28) 72%),
    linear-gradient(0deg, rgba(13, 18, 32, 0.84), rgba(13, 18, 32, 0.04) 64%);
}

.article-hero-copy {
  padding: 112px 0 var(--raisho-space-6);
}

.article-meta {
  gap: var(--raisho-space-2);
  margin-top: var(--raisho-space-3);
  color: rgba(244, 239, 230, 0.58);
  font-family: var(--raisho-font-meta);
  font-size: var(--raisho-type-00);
  font-weight: 500;
  line-height: 16px;
  letter-spacing: 0.06em;
}

.article-layout {
  grid-template-columns: minmax(0, 1fr) 248px;
}

.article-body {
  max-width: 720px;
}

.article-body > p,
.article-body li {
  font-family: var(--raisho-font-display);
  font-size: 18px;
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.015em;
}

.article-body .article-intro {
  margin-bottom: var(--raisho-space-5);
  color: var(--raisho-navy);
  font-size: var(--raisho-type-03);
  font-weight: 400;
  line-height: 1.8;
}

.article-body h2 {
  margin: var(--raisho-space-6) 0 var(--raisho-space-3);
  font-size: var(--raisho-type-05);
  font-weight: 400;
  line-height: 1.55;
}

.article-body figure {
  margin: var(--raisho-space-5) 0;
}

.article-body figcaption {
  margin-top: var(--raisho-space-1);
  color: var(--raisho-muted);
  font-size: var(--raisho-type-00);
  line-height: 16px;
}

.article-body .fact-box {
  margin: var(--raisho-space-5) 0;
  padding: var(--raisho-space-3);
  border-left: 1px solid var(--raisho-navy);
  background: rgba(32, 50, 93, 0.05);
}

.article-aside {
  top: 104px;
  gap: var(--raisho-space-3);
}

.contact-channel,
.business-form {
  padding: var(--raisho-space-4);
}

.contact-channel h3 {
  font-size: var(--raisho-type-04);
  font-weight: 400;
  line-height: 36px;
}

.business-email {
  border-color: var(--raisho-navy);
  font-weight: 500;
}

.business-form label {
  font-size: var(--raisho-type-01);
  font-weight: 500;
}

.business-form input,
.business-form select,
.business-form textarea {
  border-color: var(--raisho-line);
  background: var(--raisho-paper);
}

@media (max-width: 980px) {
  .wrap,
  .hero-inner,
  .origin-ledger,
  .member-panel,
  .footer-inner,
  .article-hero-copy,
  .nav {
    width: min(calc(100% - var(--raisho-space-6)), var(--raisho-shell));
  }

  .nav {
    min-height: 72px;
    padding: 12px 0;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .brand {
    min-width: 0;
    grid-column: 1;
    grid-row: 1;
  }

  .nav-actions {
    grid-column: 2;
    grid-row: 1;
  }

  .nav-actions .button {
    display: none;
  }

  .menu-button {
    display: grid;
  }

  .nav-links {
    display: none;
    grid-column: 1 / -1;
    grid-row: 2;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 12px 0 4px;
  }

  .nav-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0;
    border-top: 1px solid var(--raisho-line);
    border-bottom: 0;
  }

  .menu-open .nav-links {
    display: grid;
  }

  .section-head,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-head,
  .story-grid,
  .journal-grid,
  .about-band,
  .member-panel,
  .detail,
  .brand-feature,
  .contact-cooperation,
  .article-layout {
    gap: var(--raisho-space-5);
  }
}

@media (max-width: 640px) {
  .wrap,
  .hero-inner,
  .origin-ledger,
  .member-panel,
  .footer-inner,
  .article-hero-copy,
  .nav {
    width: min(calc(100% - 28px), var(--raisho-shell));
  }

  .nav {
    min-height: 68px;
    padding: 12px 0;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
  }

  .nav-actions {
    grid-column: 2;
    grid-row: 1;
  }

  .brand {
    gap: 12px;
  }

  .mark {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }

  .brand strong {
    font-size: 16px;
    line-height: 20px;
  }

  .brand span span {
    font-size: 10px;
    line-height: 12px;
  }

  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    padding: 12px 0 4px;
  }

  .nav-links a {
    min-height: 44px;
    border-top-color: var(--raisho-line);
  }

  .hero {
    min-height: 608px;
    padding: 112px 0 var(--raisho-space-6);
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(13, 18, 32, 0.9), rgba(13, 18, 32, 0.5)),
      linear-gradient(0deg, rgba(13, 18, 32, 0.78), rgba(13, 18, 32, 0.06) 44%),
      url("raisho-hero-origin.png") center / cover;
  }

  .hero h1,
  .hero-inner h1 {
    max-width: 9em;
    font-size: var(--raisho-type-06);
    line-height: 1.4;
    letter-spacing: 0.04em;
  }

  .hero-copy {
    max-width: 22em;
    font-size: 15px;
    line-height: 1.9;
  }

  .hero-actions .button {
    width: 100%;
  }

  section {
    padding: var(--raisho-space-6) 0;
  }

  .section-head {
    gap: var(--raisho-space-3);
    margin-bottom: var(--raisho-space-5);
  }

  .section-head h2,
  .member h2,
  .about-copy h2,
  .contact-cooperation h2,
  .brand-feature-copy h2 {
    font-size: var(--raisho-type-06);
    line-height: 1.4;
  }

  .ledger-item,
  .principle,
  .brand-feature-copy,
  .product-body,
  .card-body,
  .catalog-product-body,
  .contact-channel,
  .business-form {
    padding: var(--raisho-space-3);
  }

  .page-hero {
    padding: var(--raisho-space-6) 0 var(--raisho-space-5);
  }

  .page-hero h1,
  .article-hero h1 {
    max-width: 10em;
    font-size: var(--raisho-type-06);
    line-height: 1.4;
  }

  .lead,
  .article-dek {
    max-width: 22em;
    font-size: 15px;
    line-height: 1.9;
  }

  .product img,
  .product-media,
  .image-frame {
    aspect-ratio: 4 / 3;
  }

  .article-hero-inner {
    min-height: 544px;
  }

  .article-hero-copy {
    padding: 88px 0 var(--raisho-space-5);
  }

  .article-body > p,
  .article-body li {
    font-size: 17px;
    line-height: 1.95;
  }

  .article-body h2 {
    margin-top: var(--raisho-space-5);
    font-size: var(--raisho-type-04);
    line-height: 1.55;
  }
}