/* ============================================================
   履心舎 / Atelier Rishin - Main Stylesheet
   モバイルファースト設計
   ============================================================ */

/* ============ CSS Variables ============ */
:root {
  --color-primary: #1a2438;          /* 深藍：メイン */
  --color-accent:  #b08d4a;          /* くすみゴールド：アクセント */
  --color-base:    #f5efe1;          /* 生成り：ベース */
  --color-text:    #1f1a14;          /* 濃インク：テキスト */
  --color-muted:   #6a5e4f;          /* ブラウングレー：サブ */
  --color-border:  rgba(26, 36, 56, 0.14);
  --color-bg:      #fcf8ee;          /* ページ背景（ベースより少し明るく） */

  --color-primary-rgb: 26, 36, 56;
  --color-base-rgb: 245, 239, 225;

  --font-jp-serif: "Shippori Mincho B1", "Noto Serif JP", "Yu Mincho", serif;
  --font-jp-body:  "Noto Serif JP", "Yu Mincho", serif;
  --font-en-serif: "Cormorant Garamond", "Times New Roman", serif;

  --header-h: 64px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --radius-sm: 2px;
  --radius-md: 4px;

  /* 告知バナー用変数 (sample.css 互換) */
  --pn-bg: var(--color-primary);
  --pn-fg: var(--color-base);
  --pn-fg-rgb: var(--color-base-rgb);
  --pn-accent: var(--color-accent);
  --pn-font: var(--font-jp-serif);
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-jp-body);
  font-size: 1rem;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s, opacity 0.3s; }
a:hover { color: var(--color-accent); }
button { font: inherit; color: inherit; cursor: pointer; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, p, dl, dd { margin: 0; }


/* ============================================================
   ポートフォリオ告知バナー
   ============================================================ */
.portfolio-notice {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  background: var(--pn-bg);
  color: var(--pn-fg);
  padding: 0.55rem 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-align: center;
  line-height: 1.6;
  border-bottom: 1px solid var(--pn-accent);
  font-family: var(--pn-font);
}
.portfolio-notice strong {
  color: var(--pn-accent);
  letter-spacing: 0.2em;
  margin-right: 0.6rem;
  font-weight: 500;
}
.portfolio-notice .pn-close {
  background: transparent;
  border: 1px solid rgba(var(--pn-fg-rgb), 0.4);
  color: var(--pn-fg);
  font-size: 0.7rem;
  padding: 2px 8px;
  margin-left: 0.8rem;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: all 0.3s;
  font-family: inherit;
}
.portfolio-notice .pn-close:hover {
  background: var(--pn-accent);
  border-color: var(--pn-accent);
  color: var(--pn-bg);
}

body.notice-visible { padding-top: 44px; }
body.notice-visible .site-header { top: 44px; }

@media (max-width: 720px) {
  .portfolio-notice {
    font-size: 0.7rem;
    padding: 0.5rem 0.8rem;
  }
  body.notice-visible { padding-top: 64px; }
  body.notice-visible .site-header { top: 64px; }
}


/* ============================================================
   ヘッダー（fixed）
   - backdrop-filter は ::before に逃がす（包含ブロック事故回避）
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 200;
  border-bottom: 1px solid var(--color-border);
  transition: top 0.3s;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(252, 248, 238, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: -1;
}
.header-inner {
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-decoration: none;
  color: var(--color-primary);
}
.logo-jp {
  font-family: var(--font-jp-serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.18em;
}
.logo-en {
  font-family: var(--font-en-serif);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--color-muted);
  font-style: italic;
  margin-top: 1px;
}

/* PCナビ（モバイルでは非表示） */
.pc-nav { display: none; }
.pc-nav ul {
  display: flex;
  gap: 1.8rem;
}
.pc-nav a {
  font-family: var(--font-en-serif);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--color-primary);
  position: relative;
  padding: 4px 0;
}
.pc-nav a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width 0.35s, left 0.35s;
}
.pc-nav a:hover::after { width: 100%; left: 0; }

/* PC専用CTA（モバイル非表示） */
.header-cta {
  display: none;
  background: var(--color-primary);
  color: var(--color-base) !important;
  padding: 0.55rem 1.4rem;
  font-family: var(--font-jp-serif);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  transition: all 0.3s;
}
.header-cta:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary) !important;
}


/* ============================================================
   ハンバーガーボタン（drawer より上）
   ============================================================ */
.hamburger {
  width: 44px; height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 220;
  background: transparent;
  border: 0;
  padding: 0;
}
.hamburger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.35s, background 0.35s;
  transform-origin: center;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}


/* ============================================================
   ドロワー（パターンB: 右からスライドイン）
   ============================================================ */
.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(26, 36, 56, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
  z-index: 210;
}
.drawer-mask.is-open {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0; right: 0;
  width: 80vw;
  max-width: 360px;
  height: 100dvh;
  background: var(--color-base);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  z-index: 215;
  padding: calc(var(--header-h) + 1rem) 1.5rem 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.drawer.is-open {
  transform: translateX(0);
  box-shadow: -8px 0 32px rgba(26, 36, 56, 0.22);
}

/* 告知バナー併設時の押し下げ */
body.notice-visible .drawer { padding-top: calc(var(--header-h) + 44px + 1rem); }
@media (max-width: 720px) {
  body.notice-visible .drawer { padding-top: calc(var(--header-h) + 64px + 1rem); }
}

.drawer-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 2rem;
}
.drawer-list a {
  display: block;
  padding: 1rem 0.4rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-en-serif);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.16em;
  color: var(--color-primary);
}
.drawer-list a small {
  display: block;
  font-family: var(--font-jp-serif);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  font-weight: 400;
  margin-top: 0.2rem;
}
.drawer-list a:hover { color: var(--color-accent); }

.drawer-cta {
  margin-top: 1rem !important;
  background: var(--color-primary) !important;
  color: var(--color-base) !important;
  border-bottom: none !important;
  border-radius: var(--radius-sm);
  text-align: center;
  padding: 1.05rem 1rem !important;
  font-family: var(--font-jp-serif) !important;
  font-size: 0.9rem !important;
  letter-spacing: 0.2em !important;
  font-weight: 500 !important;
}
.drawer-cta:hover {
  background: var(--color-accent) !important;
  color: var(--color-primary) !important;
}

.drawer-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.drawer-tel {
  font-family: var(--font-jp-serif);
  font-size: 0.78rem;
  color: var(--color-muted);
  line-height: 1.7;
}
.drawer-tel span { display: block; }
.drawer-tel a {
  display: block;
  font-family: var(--font-en-serif);
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin: 0.2rem 0 0.3rem;
}
.drawer-tel small { display: block; font-size: 0.7rem; }


/* ============================================================
   共通: コンテナ・ボタン・セクション
   ============================================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.2rem;
}
.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

.section {
  padding: 4rem 0;
}
.section-en {
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--color-accent);
  letter-spacing: 0.3em;
  font-size: 0.85rem;
  text-align: center;
  margin-bottom: 0.5rem;
}
.section-title {
  font-family: var(--font-jp-serif);
  font-size: 1.95rem;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 2rem;
  line-height: 1.5;
}
.section-lead {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 2;
  margin-bottom: 3rem;
}
.section-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.95rem 2rem;
  font-family: var(--font-jp-serif);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-align: center;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all 0.3s;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-base);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}
.btn-ghost {
  background: transparent;
  color: var(--color-base);
  border-color: rgba(245, 239, 225, 0.5);
}
.btn-ghost:hover {
  background: rgba(245, 239, 225, 0.12);
  color: var(--color-base);
  border-color: var(--color-base);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-base);
}
.btn-block {
  display: block;
  width: 100%;
}


/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100dvh - var(--header-h));
  padding-top: calc(var(--header-h) + 1rem);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55) saturate(0.85);
}
.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26,36,56,0.3) 0%, rgba(26,36,56,0.65) 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  color: var(--color-base);
}
.hero-en {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-jp-serif);
  font-weight: 500;
  font-size: 2.6rem;
  line-height: 1.5;
  letter-spacing: 0.1em;
  margin-bottom: 1.8rem;
}
.hero-lead {
  font-size: 0.95rem;
  line-height: 2.1;
  margin-bottom: 2.5rem;
  color: rgba(245, 239, 225, 0.92);
}
.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}


/* ============================================================
   About
   ============================================================ */
.section-about {
  background: var(--color-bg);
}
.about-grid {
  display: grid;
  gap: 2.5rem;
}
.about-text .lead {
  font-family: var(--font-jp-serif);
  font-size: 1.1rem;
  line-height: 2;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}
.about-text p {
  margin-bottom: 1.2rem;
  color: var(--color-text);
}
.about-text .note {
  font-size: 0.7rem;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}
.about-meta {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0.6rem 1rem;
  font-size: 0.85rem;
}
.about-meta dt {
  font-family: var(--font-jp-serif);
  color: var(--color-accent);
  letter-spacing: 0.1em;
}
.about-meta dd {
  color: var(--color-text);
}
.about-figure img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.about-figure figcaption {
  margin-top: 0.8rem;
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: center;
  letter-spacing: 0.05em;
}


/* ============================================================
   Service
   ============================================================ */
.section-service {
  background: var(--color-base);
}
.service-grid {
  display: grid;
  gap: 1.5rem;
}
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 1.8rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}
.service-card-feature {
  border-color: var(--color-accent);
  position: relative;
}
.service-card-feature::before {
  content: "おすすめ";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 2px 14px;
  font-family: var(--font-jp-serif);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  border-radius: var(--radius-sm);
}
.service-img {
  margin: -1.8rem -1.8rem 1.5rem;
}
.service-img img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.service-en {
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--color-accent);
  letter-spacing: 0.25em;
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}
.service-card h3 {
  font-family: var(--font-jp-serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.8rem;
}
.service-price {
  font-family: var(--font-en-serif);
  font-size: 1.85rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.service-price small {
  font-family: var(--font-jp-serif);
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-left: 0.3rem;
}
.service-desc {
  font-size: 0.9rem;
  line-height: 1.95;
  color: var(--color-text);
  margin-bottom: 1.2rem;
}
.service-meta {
  margin-bottom: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.service-meta li {
  font-size: 0.82rem;
  color: var(--color-muted);
  padding: 0.2rem 0;
  letter-spacing: 0.05em;
}
.service-meta li::before {
  content: "—";
  margin-right: 0.5rem;
  color: var(--color-accent);
}
.service-card .btn {
  margin-top: auto;
}


/* ============================================================
   Process
   ============================================================ */
.section-process {
  background: var(--color-bg);
}
.process-list {
  counter-reset: process;
  display: grid;
  gap: 2rem;
}
.process-list li {
  position: relative;
  padding: 1.5rem;
  background: var(--color-base);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.process-num {
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.5rem;
}
.process-list h3 {
  font-family: var(--font-jp-serif);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.process-list p {
  font-size: 0.9rem;
  line-height: 1.95;
  color: var(--color-text);
}


/* ============================================================
   Works
   ============================================================ */
.section-works {
  background: var(--color-base);
}
.works-grid {
  display: grid;
  gap: 1.5rem;
}
.work-item {
  margin: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.4s, box-shadow 0.4s;
}
.work-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(26, 36, 56, 0.12);
}
.work-item img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.work-item figcaption {
  padding: 1.2rem 1.4rem 1.5rem;
}
.work-cat {
  display: inline-block;
  font-family: var(--font-en-serif);
  font-style: italic;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
}
.work-item h3 {
  font-family: var(--font-en-serif);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}
.work-item p {
  font-size: 0.82rem;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}


/* ============================================================
   FAQ
   ============================================================ */
.section-faq {
  background: var(--color-bg);
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.faq-item {
  background: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.2rem 3rem 1.2rem 1.4rem;
  font-family: var(--font-jp-serif);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  position: relative;
  font-weight: 500;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q.";
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--color-accent);
  margin-right: 0.5rem;
  font-size: 1.05rem;
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--color-accent);
  transition: transform 0.3s;
}
.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}
.faq-item p {
  padding: 0 1.4rem 1.3rem;
  font-size: 0.88rem;
  line-height: 2;
  color: var(--color-text);
}
.faq-item p::before {
  content: "A. ";
  font-family: var(--font-en-serif);
  font-style: italic;
  color: var(--color-accent);
  font-weight: 500;
}


/* ============================================================
   Access
   ============================================================ */
.section-access {
  background: var(--color-base);
}
.access-grid {
  display: grid;
  gap: 2rem;
}
.access-info dl {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.2rem 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.access-info dt {
  font-family: var(--font-jp-serif);
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.12em;
}
.access-info dd {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text);
}
.access-info dd small {
  display: block;
  font-size: 0.72rem;
  color: var(--color-muted);
  margin-top: 0.2rem;
}
.access-map img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
}


/* ============================================================
   Contact
   ============================================================ */
.section-contact {
  background: var(--color-bg);
}
.disclaimer {
  background: rgba(176, 141, 74, 0.08);
  border-left: 3px solid var(--color-accent);
  padding: 1rem 1.2rem;
  margin-bottom: 2rem;
  font-size: 0.82rem;
  line-height: 1.85;
  color: var(--color-muted);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.disclaimer strong {
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.1em;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-row label {
  font-family: var(--font-jp-serif);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  font-weight: 500;
}
.form-row label span {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.65rem;
  padding: 1px 8px;
  margin-left: 0.5rem;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.form-row input,
.form-row select,
.form-row textarea {
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-base);
  font-family: var(--font-jp-body);
  font-size: 0.95rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s, box-shadow 0.3s;
  font-feature-settings: "palt";
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(176, 141, 74, 0.15);
}
.form-row textarea {
  resize: vertical;
  min-height: 140px;
}


/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  color: var(--color-base);
  padding: 3.5rem 0 1.5rem;
}
.footer-top {
  display: grid;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(245, 239, 225, 0.18);
  margin-bottom: 1.5rem;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.footer-logo .logo-jp {
  color: var(--color-base);
  font-size: 1.3rem;
}
.footer-logo .logo-en {
  color: var(--color-accent);
  font-size: 0.8rem;
}
.footer-tagline {
  font-family: var(--font-jp-serif);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  color: rgba(245, 239, 225, 0.7);
}
.footer-nav ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem 1rem;
}
.footer-nav a {
  font-family: var(--font-en-serif);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  color: rgba(245, 239, 225, 0.85);
}
.footer-nav a:hover { color: var(--color-accent); }
.footer-copy {
  font-size: 0.75rem;
  color: rgba(245, 239, 225, 0.6);
  text-align: center;
  line-height: 1.9;
  letter-spacing: 0.05em;
}
.footer-copy small {
  display: block;
  font-size: 0.7rem;
  margin-top: 0.4rem;
}


/* ============================================================
   タブレット以上 (768px〜)
   ============================================================ */
@media (min-width: 768px) {
  .hamburger { display: none; }
  .pc-nav { display: flex; }
  .header-cta { display: inline-block; }

  .header-inner { padding: 0 2rem; }
  .logo-jp { font-size: 1.25rem; }
  .logo-en { font-size: 0.78rem; }

  .section { padding: 6rem 0; }
  .section-title { font-size: 2.4rem; }

  .hero h1 { font-size: 3.6rem; }
  .hero-lead { font-size: 1rem; }
  .hero-cta {
    flex-direction: row;
    gap: 1rem;
  }

  .about-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
  }

  .service-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
  }

  .works-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
  }

  .access-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
  }

  .footer-top {
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 3rem;
  }
  .footer-nav ul {
    grid-template-columns: repeat(4, auto);
    gap: 1.4rem 1.8rem;
  }
}


/* ============================================================
   デスクトップ (1024px〜)
   ============================================================ */
@media (min-width: 1024px) {
  .section { padding: 7rem 0; }
  .section-title { font-size: 2.8rem; margin-bottom: 2.5rem; }
  .hero h1 { font-size: 4.2rem; line-height: 1.4; }
  .hero-lead { font-size: 1.05rem; }
  .about-grid { gap: 5rem; }
  .footer-nav ul {
    grid-template-columns: repeat(7, auto);
    gap: 1.8rem;
  }
}


/* ============================================================
   アクセシビリティ - reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}