/* ===========================
   クラフトバンド まちゃ工房
   Global Styles
=========================== */

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

:root {
  --color-bg: #FAF6F0;
  --color-primary: #8B6435;
  --color-primary-dark: #5C3F1A;
  --color-accent: #C4956A;
  --color-accent-light: #E8D5B7;
  --color-text: #3D2B1F;
  --color-text-light: #7A6050;
  --color-white: #FFFFFF;
  --color-border: #DDD0BC;
  --font-main: 'Noto Serif JP', 'Yu Mincho', '游明朝', serif;
  --font-sub: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --max-width: 1100px;
  --section-padding: 80px 20px;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  line-height: 1.8;
  font-size: 16px;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

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

header {
  background-color: var(--color-white);
  border-bottom: 2px solid var(--color-accent-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-logo .logo-main {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.1em;
}

.site-logo .logo-sub {
  font-size: 0.7rem;
  color: var(--color-text-light);
  font-family: var(--font-sub);
  letter-spacing: 0.2em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

nav ul li a {
  font-family: var(--font-sub);
  font-size: 0.875rem;
  color: var(--color-text);
  letter-spacing: 0.1em;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

nav ul li a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ハンバーガーメニュー */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all 0.3s;
}

/* ===========================
   Hero Section
=========================== */

.hero {
  position: relative;
  background: #FAF6F0;
  color: var(--color-text);
  text-align: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#weaveCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 20px;
}

.hero-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.5em;
  font-family: var(--font-sub);
  color: var(--color-accent);
  margin-bottom: 20px;
  text-transform: uppercase;
  opacity: 0;
  animation: heroFadeUp 1.2s ease 3.5s forwards;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.5;
  margin-bottom: 28px;
  color: var(--color-primary-dark);
  opacity: 0;
  animation: heroFadeUp 1.2s ease 4s forwards;
}

.hero p {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--color-text-light);
  max-width: 500px;
  margin: 0 auto 12px;
  font-family: var(--font-sub);
  opacity: 0;
  animation: heroFadeUp 1.2s ease 4.3s forwards;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 2;
  opacity: 0;
  animation: heroFadeUp 1s ease 5.5s forwards;
  text-align: center;
}

.hero-scroll-hint span {
  display: block;
  font-family: var(--font-sub);
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  color: var(--color-text-light);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.hero-scroll-hint .scroll-arrow {
  display: block;
  width: 1px;
  height: 40px;
  background: var(--color-accent);
  margin: 0 auto;
  animation: scrollArrow 1.8s ease-in-out infinite;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollArrow {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ===========================
   スクロールアニメーション
=========================== */

.reveal {
  opacity: 0;
  transform: translateY(60px) scale(0.95);
  transition: opacity 0.9s cubic-bezier(0.22,1,0.36,1),
              transform 0.9s cubic-bezier(0.22,1,0.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0) scale(1); }

.reveal-left {
  opacity: 0;
  transform: translateX(-80px) scale(0.95);
  transition: opacity 1s cubic-bezier(0.22,1,0.36,1),
              transform 1s cubic-bezier(0.22,1,0.36,1);
}
.reveal-left.visible { opacity: 1; transform: translateX(0) scale(1); }

.reveal-right {
  opacity: 0;
  transform: translateX(80px) scale(0.95);
  transition: opacity 1s cubic-bezier(0.22,1,0.36,1),
              transform 1s cubic-bezier(0.22,1,0.36,1);
}
.reveal-right.visible { opacity: 1; transform: translateX(0) scale(1); }

.reveal-zoom {
  opacity: 0;
  transform: translateY(40px) scale(0.96);
  transition: opacity 1.1s cubic-bezier(0.22,1,0.36,1),
              transform 1.1s cubic-bezier(0.22,1,0.36,1);
}
.reveal-zoom.visible { opacity: 1; transform: translateY(0) scale(1); }

.scroll-delay-1 { transition-delay: 0.12s; }
.scroll-delay-2 { transition-delay: 0.26s; }
.scroll-delay-3 { transition-delay: 0.40s; }
.scroll-delay-4 { transition-delay: 0.54s; }

/* ===========================
   キャンバス区切り線
=========================== */
.weave-divider {
  width: 100%;
  height: 32px;
  display: block;
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  padding: 14px 40px;
  font-family: var(--font-sub);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  border: 2px solid currentColor;
  transition: background-color 0.25s, color 0.25s;
  cursor: pointer;
}

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

.btn-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* ===========================
   Section Common
=========================== */

section {
  padding: var(--section-padding);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title .en {
  display: block;
  font-family: var(--font-sub);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.05em;
}

.section-title p {
  margin-top: 16px;
  color: var(--color-text-light);
  font-family: var(--font-sub);
  font-size: 0.9rem;
}

/* ===========================
   Profile Section
=========================== */

#profile {
  background-color: var(--color-white);
}

.profile-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.profile-image {
  aspect-ratio: 4/5;
  background-color: var(--color-accent-light);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

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

.profile-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  color: var(--color-white);
  font-size: 5rem;
}

.profile-text .label {
  font-family: var(--font-sub);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.profile-text h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
  letter-spacing: 0.1em;
}

.profile-text p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 2;
}

.profile-detail {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.profile-detail dt {
  font-family: var(--font-sub);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  font-weight: 600;
}

.profile-detail dd {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 8px;
  padding-left: 8px;
  border-left: 2px solid var(--color-accent-light);
}

/* ===========================
   Products Section
=========================== */

#products {
  background-color: var(--color-bg);
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 8px 24px;
  font-family: var(--font-sub);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-light);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.2s;
}

.category-tab:hover,
.category-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--color-white);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.product-image {
  aspect-ratio: 1;
  background-color: var(--color-accent-light);
  overflow: hidden;
  position: relative;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s;
}

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

.product-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, var(--color-accent-light), #d4b896);
}

.product-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-sub);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 2px;
}

.product-info {
  padding: 20px;
}

.product-info h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.product-info p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-family: var(--font-sub);
  line-height: 1.7;
}

.product-note {
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-family: var(--font-sub);
  font-weight: 600;
}

.products-note {
  text-align: center;
  margin-top: 48px;
  padding: 24px;
  background: var(--color-accent-light);
  border-radius: 4px;
}

.products-note p {
  font-family: var(--font-sub);
  font-size: 0.875rem;
  color: var(--color-primary-dark);
}

/* ===========================
   Commitment Section
=========================== */

#commitment {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

#commitment .section-title h2 {
  color: var(--color-white);
}

#commitment .section-title p {
  color: rgba(255,255,255,0.7);
}

.commitment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.commitment-item {
  text-align: center;
  padding: 32px 24px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
}

.commitment-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}

.commitment-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  color: var(--color-accent-light);
}

.commitment-item p {
  font-size: 0.875rem;
  font-family: var(--font-sub);
  line-height: 2;
  color: rgba(255,255,255,0.8);
}

/* ===========================
   Blog Section
=========================== */

#blog {
  background-color: var(--color-white);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.blog-card {
  border-bottom: 2px solid var(--color-accent-light);
  padding-bottom: 24px;
  transition: border-color 0.2s;
}

.blog-card:hover {
  border-bottom-color: var(--color-primary);
}

.blog-image {
  aspect-ratio: 16/9;
  background-color: var(--color-accent-light);
  margin-bottom: 16px;
  overflow: hidden;
  border-radius: 2px;
}

.blog-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--color-accent-light), #d4b896);
}

.blog-meta {
  font-family: var(--font-sub);
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 8px;
  display: flex;
  gap: 16px;
}

.blog-meta .tag {
  color: var(--color-accent);
  font-weight: 600;
}

.blog-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.6;
  margin-bottom: 10px;
}

.blog-card p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-family: var(--font-sub);
  line-height: 1.8;
}

.blog-more {
  text-align: center;
}

/* ===========================
   Contact Section
=========================== */

#contact {
  background-color: var(--color-bg);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
}

.contact-info p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-family: var(--font-sub);
  line-height: 2;
  margin-bottom: 32px;
}

.contact-note {
  padding: 20px;
  background: var(--color-accent-light);
  border-radius: 4px;
}

.contact-note p {
  font-family: var(--font-sub);
  font-size: 0.8rem;
  color: var(--color-primary-dark);
  margin-bottom: 0;
  line-height: 1.8;
}

.contact-form {
  background: var(--color-white);
  padding: 40px;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-family: var(--font-sub);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.form-group label .required {
  color: #c0392b;
  margin-left: 4px;
  font-size: 0.7rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-family: var(--font-sub);
  font-size: 0.9rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 100, 53, 0.1);
}

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

.form-submit {
  text-align: center;
}

.form-submit .btn {
  width: 100%;
  padding: 16px;
  font-size: 0.9rem;
}

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

footer {
  background-color: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 48px 20px 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .logo-main {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: block;
}

.footer-brand p {
  font-family: var(--font-sub);
  font-size: 0.8rem;
  line-height: 2;
  color: rgba(255,255,255,0.6);
}

.footer-nav h4 {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-sub);
  color: var(--color-accent-light);
  margin-bottom: 16px;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav ul li a {
  font-family: var(--font-sub);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}

.footer-nav ul li a:hover {
  color: var(--color-white);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-family: var(--font-sub);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
}

/* ===========================
   Responsive
=========================== */

@media (max-width: 900px) {
  .products-grid,
  .commitment-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .profile-inner,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .profile-image {
    aspect-ratio: 3/2;
    max-height: 360px;
  }

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

@media (max-width: 640px) {
  :root {
    --section-padding: 60px 16px;
  }

  .header-inner {
    padding: 14px 16px;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: 16px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
  }

  nav.open {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
  }

  nav ul li a {
    display: block;
    padding: 12px 8px;
    border-bottom: 1px solid var(--color-border);
  }

  .menu-toggle {
    display: flex;
  }

  .products-grid,
  .commitment-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 24px 16px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero {
    padding: 80px 20px;
  }
}