@charset "UTF-8";

/* ========================================
   博多麺屋 火種 - Demo Site Stylesheet
   ======================================== */

:root {
  --color-bg: #0e0a08;
  --color-bg-2: #1a1410;
  --color-wood: #3d2817;
  --color-wood-light: #5a3e26;
  --color-fire: #c41e3a;
  --color-fire-light: #e63a52;
  --color-gold: #d4a574;
  --color-cream: #f5f0e8;
  --color-cream-dim: #c9c0b3;
  --color-line: rgba(245, 240, 232, 0.15);

  --font-mincho: "Noto Serif JP", "游明朝", "Yu Mincho", serif;
  --font-gothic: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;

  --container: 1200px;
  --gap-xs: 8px;
  --gap-s: 16px;
  --gap-m: 32px;
  --gap-l: 64px;
  --gap-xl: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-gothic);
  background: var(--color-bg);
  color: var(--color-cream);
  line-height: 1.8;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s ease, color 0.3s ease;
}

a:hover {
  opacity: 0.7;
}

.container {
  width: 90%;
  max-width: var(--container);
  margin: 0 auto;
}

/* ========================================
   Header
   ======================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  background: rgba(14, 10, 8, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

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

.site-logo {
  font-family: var(--font-mincho);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-cream);
}

.site-logo .logo-mark {
  color: var(--color-fire);
  margin-right: 6px;
}

.site-logo .logo-sub {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  display: block;
  margin-top: 2px;
}

.global-nav ul {
  display: flex;
  gap: var(--gap-m);
  list-style: none;
}

.global-nav a {
  font-family: var(--font-mincho);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  position: relative;
  padding: 4px 0;
}

.global-nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: var(--color-fire);
  transition: width 0.3s ease;
}

.global-nav a:hover::after,
.global-nav a.is-active::after {
  width: 100%;
}

.global-nav a.is-active {
  color: var(--color-fire-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
  z-index: 1100;
}

.nav-toggle span {
  display: block;
  position: absolute;
  left: 4px;
  width: 24px;
  height: 2px;
  background: var(--color-cream);
  transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
}

.nav-toggle span:nth-child(1) { top: 10px; }
.nav-toggle span:nth-child(2) { top: 16px; }
.nav-toggle span:nth-child(3) { top: 22px; }

.nav-toggle.is-open span:nth-child(1) { top: 16px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 16px; transform: rotate(-45deg); }

/* ========================================
   Hero (Top page)
   ======================================== */

.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  background:
    linear-gradient(180deg, rgba(14, 10, 8, 0.4) 0%, rgba(14, 10, 8, 0.75) 100%),
    url("https://images.unsplash.com/photo-1569718212165-3a8278d5f624?w=1800&auto=format&fit=crop") center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center bottom, rgba(196, 30, 58, 0.25) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 0 var(--gap-s);
  animation: fadeUp 1.2s ease-out;
}

.hero-tagline {
  font-family: var(--font-mincho);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  letter-spacing: 0.5em;
  color: var(--color-gold);
  margin-bottom: var(--gap-s);
}

.hero-title {
  font-family: var(--font-mincho);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.3;
  margin-bottom: var(--gap-s);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.hero-title .accent {
  color: var(--color-fire);
}

.hero-sub {
  font-family: var(--font-mincho);
  font-size: clamp(1rem, 2vw, 1.4rem);
  letter-spacing: 0.3em;
  color: var(--color-cream-dim);
  margin-bottom: var(--gap-l);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mincho);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--color-cream-dim);
  writing-mode: vertical-rl;
  animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-indicator::after {
  content: "";
  display: block;
  width: 1px;
  height: 40px;
  background: var(--color-gold);
  margin: 12px auto 0;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   Section common
   ======================================== */

.section {
  padding: var(--gap-xl) 0;
  position: relative;
}

.section--dim {
  background: var(--color-bg-2);
}

.section-head {
  text-align: center;
  margin-bottom: var(--gap-l);
}

.section-label {
  font-family: var(--font-mincho);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--color-fire);
  margin-bottom: var(--gap-s);
  display: block;
}

.section-title {
  font-family: var(--font-mincho);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1.4;
}

.section-title .accent {
  color: var(--color-fire);
}

.section-lead {
  font-family: var(--font-mincho);
  font-size: 1rem;
  line-height: 2.2;
  text-align: center;
  margin-top: var(--gap-m);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-cream-dim);
}

/* ========================================
   Feature 3 columns
   ======================================== */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-m);
}

.feature-item {
  text-align: center;
  padding: var(--gap-m);
  border: 1px solid var(--color-line);
  background: rgba(245, 240, 232, 0.02);
  transition: transform 0.4s ease, border-color 0.4s ease;
}

.feature-item:hover {
  transform: translateY(-6px);
  border-color: var(--color-fire);
}

.feature-icon {
  font-family: var(--font-mincho);
  font-size: 2.4rem;
  color: var(--color-fire);
  margin-bottom: var(--gap-s);
}

.feature-title {
  font-family: var(--font-mincho);
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  margin-bottom: var(--gap-s);
}

.feature-desc {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-cream-dim);
}

/* ========================================
   Menu cards
   ======================================== */

.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-m);
}

.menu-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-line);
  overflow: hidden;
  transition: transform 0.4s ease;
}

.menu-card:hover {
  transform: translateY(-4px);
}

.menu-card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.menu-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.menu-card:hover .menu-card-img img {
  transform: scale(1.05);
}

.menu-card-body {
  padding: var(--gap-m);
}

.menu-card-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  padding: 4px 12px;
  background: var(--color-fire);
  color: var(--color-cream);
  margin-bottom: var(--gap-s);
}

.menu-card-name {
  font-family: var(--font-mincho);
  font-size: 1.3rem;
  letter-spacing: 0.15em;
  margin-bottom: var(--gap-xs);
}

.menu-card-name-en {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-cream-dim);
  margin-bottom: var(--gap-s);
}

.menu-card-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--color-cream-dim);
  margin-bottom: var(--gap-s);
}

.menu-card-price {
  font-family: var(--font-mincho);
  font-size: 1.4rem;
  color: var(--color-gold);
  letter-spacing: 0.05em;
}

.menu-card-price .yen {
  font-size: 0.9rem;
  margin-left: 4px;
}

/* ========================================
   Menu page - large featured items
   ======================================== */

.menu-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-l);
  margin-bottom: var(--gap-xl);
}

.menu-featured-item {
  position: relative;
}

.menu-featured-img {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  margin-bottom: var(--gap-m);
}

.menu-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.menu-featured-name {
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  letter-spacing: 0.2em;
  margin-bottom: var(--gap-xs);
}

.menu-featured-en {
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin-bottom: var(--gap-s);
}

.menu-featured-desc {
  font-family: var(--font-mincho);
  line-height: 2;
  color: var(--color-cream-dim);
  margin-bottom: var(--gap-s);
}

.menu-featured-price {
  font-family: var(--font-mincho);
  font-size: 1.6rem;
  color: var(--color-gold);
}

/* Menu list (sub items) */

.menu-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-m) var(--gap-l);
  margin-top: var(--gap-l);
}

.menu-list-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: var(--gap-s);
  border-bottom: 1px dashed var(--color-line);
  gap: var(--gap-s);
}

.menu-list-name {
  font-family: var(--font-mincho);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
}

.menu-list-name small {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-cream-dim);
  margin-top: 2px;
}

.menu-list-price {
  font-family: var(--font-mincho);
  color: var(--color-gold);
  white-space: nowrap;
}

/* ========================================
   Concept (こだわり) page
   ======================================== */

.concept-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-l);
  align-items: center;
  margin-bottom: var(--gap-xl);
}

.concept-block:nth-child(even) .concept-img {
  order: 2;
}

.concept-img {
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.concept-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.concept-num {
  font-family: var(--font-mincho);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--color-fire);
  margin-bottom: var(--gap-s);
}

.concept-heading {
  font-family: var(--font-mincho);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.2em;
  line-height: 1.5;
  margin-bottom: var(--gap-m);
}

.concept-text {
  font-family: var(--font-mincho);
  font-size: 1rem;
  line-height: 2.2;
  color: var(--color-cream-dim);
}

/* ========================================
   Access page
   ======================================== */

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-l);
}

.access-info dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  row-gap: var(--gap-m);
  align-items: start;
}

.access-info dt {
  font-family: var(--font-mincho);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--color-fire);
  padding-top: 4px;
  border-left: 2px solid var(--color-fire);
  padding-left: var(--gap-s);
}

.access-info dd {
  font-family: var(--font-mincho);
  line-height: 1.9;
}

.access-info dd .small {
  font-size: 0.85rem;
  color: var(--color-cream-dim);
  display: block;
  margin-top: 4px;
}

.access-map {
  aspect-ratio: 4 / 5;
  background: var(--color-wood);
  position: relative;
  overflow: hidden;
}

.access-map::before {
  content: "Google Map 埋め込み予定エリア";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mincho);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--color-cream-dim);
  background:
    repeating-linear-gradient(
      45deg,
      rgba(245, 240, 232, 0.04),
      rgba(245, 240, 232, 0.04) 12px,
      transparent 12px,
      transparent 24px
    );
}

/* ========================================
   Form (Contact page)
   ======================================== */

.contact-lead {
  text-align: center;
  font-family: var(--font-mincho);
  font-size: 1.05rem;
  line-height: 2.2;
  color: var(--color-cream-dim);
  margin-bottom: var(--gap-l);
}

.form {
  max-width: 720px;
  margin: 0 auto;
}

.form-row {
  margin-bottom: var(--gap-m);
}

.form-label {
  display: flex;
  align-items: center;
  font-family: var(--font-mincho);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  margin-bottom: var(--gap-s);
}

.form-label .req {
  background: var(--color-fire);
  color: var(--color-cream);
  font-size: 0.65rem;
  padding: 2px 8px;
  margin-left: var(--gap-s);
  letter-spacing: 0.1em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px var(--gap-s);
  background: var(--color-bg-2);
  border: 1px solid var(--color-line);
  color: var(--color-cream);
  font-family: var(--font-gothic);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

.form-textarea {
  resize: vertical;
  min-height: 160px;
}

.form-submit {
  display: block;
  margin: var(--gap-l) auto 0;
  padding: 18px 64px;
  background: var(--color-fire);
  color: var(--color-cream);
  font-family: var(--font-mincho);
  font-size: 1rem;
  letter-spacing: 0.4em;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
}

.form-submit:hover {
  background: var(--color-fire-light);
  transform: translateY(-2px);
}

.contact-sub {
  margin-top: var(--gap-xl);
  text-align: center;
  padding: var(--gap-m);
  border: 1px solid var(--color-line);
}

.contact-sub-title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  margin-bottom: var(--gap-s);
}

.contact-sub-tel {
  font-family: var(--font-mincho);
  font-size: 2rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
}

/* ========================================
   News (お知らせ)
   ======================================== */

.news-list {
  max-width: 880px;
  margin: 0 auto;
  list-style: none;
}

.news-item {
  display: grid;
  grid-template-columns: 140px 100px 1fr;
  gap: var(--gap-m);
  align-items: baseline;
  padding: var(--gap-m) 0;
  border-bottom: 1px solid var(--color-line);
}

.news-date {
  font-family: var(--font-mincho);
  color: var(--color-gold);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
}

.news-tag {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  padding: 3px 10px;
  background: var(--color-wood);
  color: var(--color-cream);
  text-align: center;
}

.news-text {
  font-family: var(--font-mincho);
  line-height: 1.8;
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
  background: var(--color-bg-2);
  padding: var(--gap-xl) 0 var(--gap-m);
  border-top: 1px solid var(--color-line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--gap-l);
  margin-bottom: var(--gap-l);
}

.footer-logo {
  font-family: var(--font-mincho);
  font-size: 1.4rem;
  letter-spacing: 0.2em;
  margin-bottom: var(--gap-s);
}

.footer-logo .logo-mark {
  color: var(--color-fire);
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--color-cream-dim);
}

.footer-title {
  font-family: var(--font-mincho);
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  margin-bottom: var(--gap-s);
  padding-left: var(--gap-s);
  border-left: 2px solid var(--color-fire);
}

.footer-list {
  list-style: none;
}

.footer-list li {
  font-size: 0.9rem;
  line-height: 2.2;
}

.footer-sns {
  display: flex;
  gap: var(--gap-s);
  margin-top: var(--gap-s);
}

.footer-sns a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mincho);
  font-size: 0.85rem;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.footer-sns a:hover {
  background: var(--color-fire);
  border-color: var(--color-fire);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--gap-m);
  border-top: 1px solid var(--color-line);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-cream-dim);
}

/* ========================================
   Page hero (sub pages)
   ======================================== */

.page-hero {
  height: 50vh;
  min-height: 360px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
}

.page-hero--menu {
  background-image:
    linear-gradient(rgba(14, 10, 8, 0.65), rgba(14, 10, 8, 0.85)),
    url("https://images.unsplash.com/photo-1623341214825-9f4f963727da?w=1800&auto=format&fit=crop");
}

.page-hero--concept {
  background-image:
    linear-gradient(rgba(14, 10, 8, 0.7), rgba(14, 10, 8, 0.88)),
    url("https://images.unsplash.com/photo-1554998171-89445e31c52b?w=1800&auto=format&fit=crop");
}

.page-hero--access {
  background-image:
    linear-gradient(rgba(14, 10, 8, 0.7), rgba(14, 10, 8, 0.88)),
    url("https://images.unsplash.com/photo-1559339352-11d035aa65de?w=1800&auto=format&fit=crop");
}

.page-hero--contact {
  background-image:
    linear-gradient(rgba(14, 10, 8, 0.75), rgba(14, 10, 8, 0.92)),
    url("https://images.unsplash.com/photo-1569718212165-3a8278d5f624?w=1800&auto=format&fit=crop");
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 80px;
}

.page-hero-en {
  font-family: var(--font-mincho);
  font-size: 0.85rem;
  letter-spacing: 0.5em;
  color: var(--color-gold);
  margin-bottom: var(--gap-s);
}

.page-hero-title {
  font-family: var(--font-mincho);
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0.3em;
}

/* ========================================
   CTA Banner
   ======================================== */

.cta {
  text-align: center;
  padding: var(--gap-l) 0;
  background:
    linear-gradient(rgba(14, 10, 8, 0.7), rgba(14, 10, 8, 0.85)),
    url("https://images.unsplash.com/photo-1591814468924-caf88d1232e1?w=1800&auto=format&fit=crop") center/cover;
}

.btn {
  display: inline-block;
  padding: 18px 48px;
  font-family: var(--font-mincho);
  letter-spacing: 0.3em;
  border: 1px solid var(--color-cream);
  transition: background 0.3s ease, color 0.3s ease;
}

.btn:hover {
  background: var(--color-cream);
  color: var(--color-bg);
  opacity: 1;
}

.btn--fire {
  background: var(--color-fire);
  border-color: var(--color-fire);
}

.btn--fire:hover {
  background: var(--color-fire-light);
  border-color: var(--color-fire-light);
  color: var(--color-cream);
}

/* ========================================
   Responsive (Tablet / Mobile)
   ======================================== */

@media (max-width: 1024px) {
  .features,
  .menu-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .concept-block,
  .access-grid,
  .menu-featured {
    grid-template-columns: 1fr;
    gap: var(--gap-m);
  }

  .concept-block:nth-child(even) .concept-img {
    order: 0;
  }

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

@media (max-width: 768px) {
  :root {
    --gap-xl: 64px;
    --gap-l: 40px;
  }

  .nav-toggle {
    display: block;
  }

  .global-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-bg);
    padding: 100px var(--gap-m) var(--gap-m);
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }

  .global-nav.is-open {
    transform: translateX(0);
  }

  .global-nav ul {
    flex-direction: column;
    gap: var(--gap-m);
    text-align: center;
  }

  .global-nav a {
    font-size: 1.1rem;
  }

  .features,
  .menu-grid,
  .menu-list,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: var(--gap-xs);
  }

  .access-info dl {
    grid-template-columns: 1fr;
    row-gap: var(--gap-s);
  }

  .access-info dt {
    margin-bottom: var(--gap-xs);
  }

  .hero {
    min-height: 540px;
  }

  .section {
    padding: var(--gap-xl) 0;
  }
}