/* 仏ピク — Senju temp: flat night bg, streetwear, pictogram-first (no decorative red glow) */
:root {
  --bg: #0a0a0c;
  --bg-elev: #121218;
  --bg-card: #16161e;
  --text: #f2f0ec;
  --text-muted: #9a968c;
  --accent: #e31c23;
  --accent-soft: rgba(227, 28, 35, 0.35);
  --glow: rgba(255, 80, 90, 0.45);
  --border: rgba(255, 255, 255, 0.08);
  --max: 960px;
  --space: clamp(1.25rem, 4vw, 2.5rem);
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP",
    "Yu Gothic", "Meiryo", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: #ff4a50;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 10, 12, 0.85);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem var(--space);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  color: var(--text);
  opacity: 0.9;
}

.brand small {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}

.nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* Main */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space);
  padding-bottom: 4rem;
}

.page-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 0.5rem;
}

.page-lead {
  color: var(--text-muted);
  margin: 0 0 2.5rem;
  max-width: 36em;
}

/* Hero (top) */
.hero {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding: clamp(2rem, 8vw, 4.5rem) 0 3rem;
  text-align: center;
}

@media (min-width: 720px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    text-align: left;
    gap: 3rem;
  }
}

.hero-copy h1 {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin: 0 0 1rem;
}

.hero-copy .reading {
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.hero-copy .slogan {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text);
  margin: 0 0 2rem;
  letter-spacing: 0.06em;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.pictogram-wrap {
  width: min(42vw, 280px);
  position: relative;
}

.pictogram-wrap svg,
.pictogram-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
}

.pictogram-wrap.large {
  width: min(55vw, 320px);
  margin: 0 auto 2rem;
}

.pictogram-wrap.grid-item {
  width: 55%;
  margin: 0 auto 0.75rem;
}

/* Buttons */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  justify-content: center;
}

@media (min-width: 720px) {
  .hero .cta-row {
    justify-content: flex-start;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #ff2a32;
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: #fff;
}

.btn-shop {
  font-size: 1.05rem;
  padding: 1rem 2rem;
}

/* About */
.prose {
  max-width: 38em;
}

.prose p {
  margin: 0 0 1.25rem;
}

.prose .slogan-line {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}

.x-block {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.x-block a {
  word-break: break-all;
}

/* Zukan grid */
.zukan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1.5rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 600px) {
  .zukan-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem 1.5rem;
  }
}

@media (min-width: 800px) {
  .zukan-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.zukan-card {
  display: block;
  text-align: center;
  padding: 1.25rem 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.zukan-card:hover {
  border-color: var(--accent-soft);
  box-shadow: 0 0 24px rgba(227, 28, 35, 0.15);
  color: var(--text);
  transform: translateY(-2px);
}

.zukan-card .name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0;
}

.zukan-card .furigana {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin: 0.2rem 0 0;
}

/* Detail */
.detail-layout {
  text-align: center;
  max-width: 36em;
  margin: 0 auto;
}

.detail-layout .meaning,
.detail-layout .street {
  text-align: left;
  margin: 1.5rem 0 0;
}

.detail-layout h2 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: none;
  margin: 2rem 0 0.5rem;
  text-align: left;
}

.detail-layout .sku {
  text-align: left;
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.95rem;
}

.detail-layout .sku a {
  font-weight: 600;
}

.back-link {
  display: inline-block;
  margin-top: 2.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.detail-name {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin: 0 0 0.25rem;
  letter-spacing: 0.08em;
}

.detail-furi {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
  letter-spacing: 0.1em;
}

/* Shop */
.shop-panel {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  max-width: 28em;
  margin: 0 auto;
}

.shop-panel p {
  color: var(--text-muted);
  margin: 0 0 1.75rem;
}

/* Contact */
.contact-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  max-width: 36em;
}

.contact-form {
  max-width: 28em;
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.65rem 0.75rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form textarea {
  min-height: 8rem;
  resize: vertical;
}

.contact-alt {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.b2b-note {
  margin-top: 2.5rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-elev);
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 36em;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding: 2rem var(--space);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.site-footer a {
  color: var(--text-muted);
}

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

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.footer-nav a {
  font-size: 0.85rem;
}

.footer-brand {
  margin-bottom: 0.5rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.08em;
}