/* ============================================================
   Tech.st — 地域の未来をデザインする
   v3 — "親しみやすさ×地方創生"リデザイン
   ・生成色ベースの温かい紙質感
   ・日本の伝統色（柿・若葉・浅葱・山吹）
   ・Noto Sans JP + Inter で統一（見出しは900、本文は400/500）
   ・穏やかなモーション、角丸、高コントラスト維持
   ============================================================ */

:root {
  /* ---- 背景・地色（生成色ベース） ---- */
  --paper: #fbf7ee;           /* 生成色・紙ベース */
  --paper-2: #f5efe0;         /* 少し深い生成 */
  --paper-3: #ece3cd;         /* 薄茶 */
  --cream: #f8f2e1;

  /* ---- 文字色（墨色） ---- */
  --ink: #2c2418;             /* 墨色 — 漆黒ではない温かい黒 */
  --ink-80: rgba(44, 36, 24, 0.88);
  --ink-70: rgba(44, 36, 24, 0.72);
  --ink-60: rgba(44, 36, 24, 0.6);
  --ink-40: rgba(44, 36, 24, 0.42);
  --ink-20: rgba(44, 36, 24, 0.18);
  --line: rgba(44, 36, 24, 0.14);

  /* 旧tokens (後方互換) — 使っていたコード崩れ回避 */
  --bg: var(--paper);
  --bg-2: var(--paper-2);
  --bg-3: var(--paper-3);
  --fg: var(--ink);
  --fg-70: var(--ink-70);
  --fg-40: var(--ink-40);
  --fg-20: var(--ink-20);

  /* ---- 日本の伝統色（アクセント） ---- */
  --kaki: #d68760;            /* 柿色 — メインアクセント（朱の代替・温かい） */
  --kaki-dark: #b86f48;
  --kaki-soft: #ecc5a8;       /* 薄柿 */
  --wakaba: #8fa878;          /* 若葉 — 自然・サービス#1 */
  --wakaba-soft: #c4d3b2;
  --asagi: #7ba4ae;           /* 浅葱 — 空・水・サービス#2 */
  --asagi-soft: #c0d2d6;
  --yamabuki: #d9a94e;        /* 山吹 — 稲穂・サービス#3 */
  --yamabuki-soft: #ebd19a;
  --fuji: #ab9bc1;            /* 藤 — 補助 */
  --fuji-soft: #d4cbe0;
  --kakitsubata: #4a6ea5;     /* 杜若 — リンク・フォーカス補助 */

  /* アクセント（旧名エイリアス） */
  --accent: var(--kaki);
  --accent-red: var(--kaki);
  --accent-green: var(--wakaba);
  --accent-blue: var(--asagi);
  --accent-amber: var(--yamabuki);
  --vermilion: var(--kaki);
  --sun: var(--yamabuki);
  --forest: var(--wakaba);

  /* ---- Type（Noto Sansに統一） ---- */
  --f-sans-ja: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --f-sans-en: "Inter", system-ui, sans-serif;
  /* 見出し／和文ベースとも Noto Sans JP を採用（旧token互換のためエイリアス定義） */
  --f-display: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --f-serif-en: "Inter", system-ui, sans-serif;
  --f-serif-ja: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --f-mono: "JetBrains Mono", "Space Grotesk", monospace;

  /* ---- Motion ---- */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-gentle: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur: 700ms;

  /* ---- Layout ---- */
  --container: 1320px;
  --container-narrow: 1040px;
  --gutter: clamp(20px, 4vw, 44px);
  --section-y: clamp(80px, 12vw, 160px);
  --radius-sm: 10px;
  --radius-md: 20px;
  --radius-lg: 32px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--paper);
  /* スティッキーヘッダー分のオフセット（アンカーリンク用） */
  scroll-padding-top: 96px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-sans-ja);
  font-size: 16px;
  line-height: 1.9;
  font-feature-settings: "palt";
  letter-spacing: 0.025em;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* 紙質感（控えめに） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260' viewBox='0 0 260 260'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.16 0 0 0 0 0.13 0 0 0 0 0.09 0 0 0 0.32 0'/></filter><rect width='260' height='260' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: multiply;
  z-index: 1;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; padding: 0; }
ul, ol { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; letter-spacing: -0.01em; line-height: 1.25; }
p { margin: 0; }

main, header, footer { position: relative; z-index: 2; }

/* ---- Selection ---- */
::selection { background: var(--kaki-soft); color: var(--ink); }

/* ---- Typography ---- */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-60);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--kaki);
  flex: none;
}
.eyebrow--num::before { display: none; }
.eyebrow--num { letter-spacing: 0.16em; }

/* 英語・数字ベースの見出し（Inter） */
.h0 {
  font-family: var(--f-sans-en);
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}
.h1 {
  font-family: var(--f-sans-en);
  font-weight: 700;
  font-size: clamp(1.75rem, 4.5vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
}
.h2 {
  font-family: var(--f-sans-en);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.8vw, 2.25rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.h3 {
  font-family: var(--f-sans-ja);
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.55;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* 和文主体の大見出し（Noto Sans JP Black） */
.h0-ja {
  font-family: var(--f-sans-ja);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 4.75rem);
  line-height: 1.32;
  letter-spacing: -0.025em;
}
.h1-ja {
  font-family: var(--f-sans-ja);
  font-weight: 900;
  font-size: clamp(1.55rem, 3.8vw, 3rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.lead {
  font-size: clamp(1rem, 1.1vw, 1.1rem);
  line-height: 2.05;
  color: var(--ink-70);
  max-width: 46em;
  font-weight: 400;
}
.small { font-size: 0.875rem; line-height: 1.8; color: var(--ink-70); }
.mono {
  font-family: var(--f-mono);
  font-variant-numeric: lining-nums;
  letter-spacing: 0;
}
.display-en { font-family: var(--f-sans-en); font-weight: 500; letter-spacing: -0.01em; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 20px 0;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), padding var(--dur) var(--ease);
  background: transparent;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--paper) 85%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  padding: 12px 0;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--f-sans-en);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
}
.logo .dot { color: var(--kaki); }
.logo small {
  font-family: var(--f-mono);
  font-size: 0.625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-40);
  margin-left: 6px;
  font-weight: 500;
}
.nav { display: flex; align-items: center; gap: 28px; }
/* ナビテキストリンク（Contactボタンは :not(.btn) で除外） */
.nav > a:not(.btn) {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  padding: 6px 0;
  transition: color 300ms var(--ease);
}
.nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--kaki);
  transition: width 400ms var(--ease);
}
.nav > a:not(.btn):hover { color: var(--kaki); }
.nav > a:not(.btn):hover::after,
.nav > a:not(.btn)[aria-current="page"]::after { width: 100%; }
.nav > a:not(.btn)[aria-current="page"] { color: var(--kaki); }

/* Contactボタンの色を明示的に再宣言（.nav > a に負けないよう） */
.nav > a.btn--primary { color: var(--paper); }
.nav > a.btn--primary:hover,
.nav > a.btn--primary:focus-visible { color: var(--paper); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  font-weight: 700;
  font-family: var(--f-sans-ja);
  transition: background 350ms var(--ease), color 350ms var(--ease),
              border-color 350ms var(--ease), transform 350ms var(--ease),
              box-shadow 350ms var(--ease);
  white-space: nowrap;
  border-radius: 999px;
  position: relative;
  line-height: 1;
  cursor: pointer;
}
/* プライマリ：墨色 → ホバーで柿色（常にpaper色で高コントラスト） */
.btn--primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 4px 14px -6px rgba(44, 36, 24, 0.35);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--kaki);
  color: var(--paper);
  box-shadow: 0 8px 20px -6px rgba(214, 135, 96, 0.5);
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }

/* コンパクト：ヘッダー用など、詰めたい場面 */
.btn--compact {
  padding: 10px 20px;
  font-size: 0.825rem;
  gap: 8px;
}

/* アウトライン */
.btn--outline {
  border: 1.5px solid var(--ink);
  color: var(--ink);
  background: transparent;
}
.btn--outline:hover,
.btn--outline:focus-visible { background: var(--ink); color: var(--paper); }

/* ゴースト（テキストリンク風） */
.btn--ghost {
  padding: 4px 0;
  border-radius: 0;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  font-weight: 600;
  gap: 12px;
  background: transparent;
  color: inherit;
  padding-bottom: 6px;
  border-bottom: 1.5px solid currentColor;
  box-shadow: none;
}
.btn--ghost:hover,
.btn--ghost:focus-visible { color: var(--kaki); }
.btn .arrow { transition: transform 400ms var(--ease); flex: none; }
.btn:hover .arrow,
.btn:focus-visible .arrow { transform: translateX(4px); }
.arrow { width: 16px; height: 11px; }

/* ナビゲーション内のContactボタンは常にCompact＋影無し */
.nav .btn {
  padding: 10px 20px;
  font-size: 0.82rem;
  gap: 8px;
  box-shadow: none;
}
.nav .btn:hover,
.nav .btn:focus-visible {
  box-shadow: 0 6px 16px -6px rgba(214, 135, 96, 0.5);
}

/* ---- Nav toggle ---- */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  position: relative;
  z-index: 60;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper) 80%, transparent);
}
.nav-toggle span {
  position: absolute;
  left: 13px; right: 13px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 300ms var(--ease), top 300ms var(--ease), opacity 200ms;
}
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle span:nth-child(3) { top: 27px; }
body.nav-open { overflow: hidden; }
body.nav-open .nav-toggle { background: var(--paper); border-color: var(--ink); }
body.nav-open .nav-toggle span:nth-child(1) { top: 22px; transform: rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { top: 22px; transform: rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 90vh;
  padding-top: clamp(120px, 14vh, 180px);
  padding-bottom: clamp(80px, 10vw, 140px);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero__glow {
  position: absolute;
  right: -15%;
  top: 0;
  width: 70vw;
  height: 70vw;
  max-width: 1000px;
  max-height: 1000px;
  background: radial-gradient(circle, var(--kaki-soft) 0%, transparent 60%);
  opacity: 0.7;
  filter: blur(60px);
  animation: float 18s ease-in-out infinite;
}
.hero__glow--2 {
  right: auto; left: -20%;
  top: auto; bottom: -20%;
  background: radial-gradient(circle, var(--wakaba-soft) 0%, transparent 60%);
  opacity: 0.5;
  animation-delay: -5s;
}
@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-4vw, 3vh) scale(1.06); }
}
/* 山のシルエット（薄く） */
.hero__mountain {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  width: 100%;
  opacity: 0.06;
  pointer-events: none;
}
/* 太陽 */
.hero__sun {
  position: absolute;
  right: 12vw;
  top: 18vh;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--yamabuki) 0%, var(--yamabuki-soft) 60%, transparent 80%);
  opacity: 0.85;
  z-index: 1;
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: end;
  z-index: 2;
}
.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-70);
  margin-bottom: 32px;
}
.hero__label::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--kaki);
  border-radius: 50%;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.4); }
}
.hero__copy { max-width: 18ch; }
.hero__copy .accent { color: var(--kaki); }
.hero__lead { margin-top: 36px; max-width: 36ch; }
.hero__meta {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  align-items: center;
  flex-wrap: wrap;
}

/* ---- 文字スプリット（穏やかに） ---- */
[data-splitchars] .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.3em);
  animation: gentleRise 800ms var(--ease-gentle) forwards;
}
[data-splitchars] .br { display: block; }
@keyframes gentleRise { to { opacity: 1; transform: translateY(0); } }

.scroll-indicator {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-40);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.scroll-indicator::after {
  content: "";
  width: 1px;
  height: 44px;
  background: var(--ink-40);
  animation: drop 2.6s var(--ease) infinite;
  transform-origin: top;
}
@keyframes drop {
  0%, 100% { transform: scaleY(0); opacity: 0; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ============================================================
   Marquee — 穏やかな流れ
   ============================================================ */
.marquee {
  display: flex;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  gap: 40px;
  background: var(--paper-2);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  gap: 40px;
  flex: none;
  animation: marquee 50s linear infinite;
  font-family: var(--f-sans-ja);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.2vw, 1.85rem);
  letter-spacing: 0.02em;
  color: var(--ink-70);
  white-space: nowrap;
}
.marquee__track span { display: flex; align-items: center; gap: 40px; }
.marquee__track span::after {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--kaki);
  display: inline-block;
  opacity: 0.7;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   Section
   ============================================================ */
.section {
  padding-block: var(--section-y);
  position: relative;
}
.section--tight { padding-block: clamp(56px, 8vw, 96px); }

/* 色面（淡色アクセント） */
.section--cream { background: var(--cream); }
.section--paper-2 { background: var(--paper-2); }
.section--paper-3 { background: var(--paper-3); }
.section--kaki-soft { background: color-mix(in srgb, var(--kaki-soft) 40%, var(--paper)); }
.section--wakaba-soft { background: color-mix(in srgb, var(--wakaba-soft) 50%, var(--paper)); }
.section--asagi-soft { background: color-mix(in srgb, var(--asagi-soft) 50%, var(--paper)); }

/* 旧alias（dark→paper-2にフォールバック） */
.section--dark { background: var(--paper); }
.section--darker { background: var(--paper-2); }
.section--light { background: var(--paper); }

.section__head {
  display: grid;
  gap: 28px;
  margin-bottom: clamp(56px, 7vw, 96px);
  grid-template-columns: 1fr;
}
.section__head-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.section__num {
  position: absolute;
  top: 40px;
  right: var(--gutter);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--ink-40);
  z-index: 3;
}

/* ============================================================
   KPI
   ============================================================ */
.kpi-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}
.kpi-item {
  padding: 40px 28px;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition: background 400ms var(--ease);
}
.kpi-item:first-child { border-left: 0; }
.kpi-item:hover { background: var(--cream); }
.kpi-item::before {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--kaki);
  transition: width 600ms var(--ease);
}
.kpi-item:hover::before { width: 100%; }
.kpi-num {
  font-family: var(--f-sans-en);
  font-weight: 600;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-variant-numeric: tabular-nums lining-nums;
}
.kpi-num sup {
  font-size: 0.35em;
  margin-left: 4px;
  color: var(--kaki);
  vertical-align: super;
  font-weight: 600;
}
.kpi-label {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-60);
}

/* ============================================================
   Service列 — 大カード、角丸、ソフト
   ============================================================ */
.services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.service {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 32px;
  padding: clamp(36px, 4.5vw, 56px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  align-items: start;
  position: relative;
  overflow: hidden;
  transition: background 450ms var(--ease), border-color 450ms var(--ease),
              transform 450ms var(--ease), box-shadow 450ms var(--ease);
  color: var(--ink);
}
/* 左上に薄いカラードットの"気配"を置く */
.service::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 4px; height: 100%;
  background: transparent;
  transition: background 450ms var(--ease);
}
.service:hover,
.service:focus-visible {
  background: var(--cream);
  border-color: var(--ink-20);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(44, 36, 24, 0.18);
}
.service:hover .service__title { color: var(--kaki); }
.service:hover .service__arrow {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  transform: rotate(-45deg);
}
/* サービスごとに"色の気配"を定義 */
.service:has(.service__dot--wakaba):hover::before { background: var(--wakaba); }
.service:has(.service__dot--asagi):hover::before { background: var(--asagi); }
.service:has(.service__dot--yamabuki):hover::before { background: var(--yamabuki); }
.service:has(.service__dot--kaki):hover::before { background: var(--kaki); }
.service__num {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--ink-40);
  padding-top: 6px;
  text-transform: uppercase;
}
.service__body h3 {
  font-family: var(--f-sans-ja);
  font-weight: 900;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  transition: color 400ms var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.service__dot {
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 50%;
  margin-right: 6px;
  flex: none;
}
.service__dot--r, .service__dot--kaki { background: var(--kaki); }
.service__dot--g, .service__dot--wakaba { background: var(--wakaba); }
.service__dot--b, .service__dot--asagi { background: var(--asagi); }
.service__dot--y, .service__dot--yamabuki { background: var(--yamabuki); }
.service__body p {
  color: var(--ink-70);
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.95;
}
.service__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.service__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--paper-2);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--ink-70);
  font-weight: 500;
}
.service__cta {
  padding-top: 6px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.service__arrow {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  display: grid;
  place-items: center;
  transition: background 400ms var(--ease), border-color 400ms var(--ease), color 400ms var(--ease), transform 400ms var(--ease);
  flex: none;
}
.service__arrow svg { width: 18px; }

/* ============================================================
   Logo wall
   ============================================================ */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}
.logo-wall__item {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px;
  font-size: 0.95rem;
  color: var(--ink-70);
  text-align: center;
  font-family: var(--f-sans-ja);
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.logo-wall__item:nth-child(4n) { border-right: 0; }
.logo-wall__item:hover {
  background: var(--kaki);
  color: var(--paper);
}

/* ============================================================
   2カラム
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
@media (min-width: 880px) {
  .two-col { grid-template-columns: 1fr 1fr; }
  .two-col--5-7 { grid-template-columns: 5fr 7fr; }
  .two-col--4-8 { grid-template-columns: 4fr 8fr; }
}

/* ============================================================
   Definition list
   ============================================================ */
.dl {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.dl__row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.dl__row dt {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-40);
}
.dl__row dd { margin: 0; font-size: 1rem; }
@media (max-width: 640px) { .dl__row { grid-template-columns: 1fr; gap: 6px; } }

/* ============================================================
   Steps
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 400ms var(--ease), transform 400ms var(--ease);
}
.step:hover { border-color: var(--kaki); transform: translateY(-2px); }
.step__num {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--kaki);
  text-transform: uppercase;
  font-weight: 600;
}
.step__title {
  font-family: var(--f-sans-ja);
  font-weight: 900;
  font-size: 1.2rem;
  line-height: 1.45;
  letter-spacing: -0.015em;
}
.step__body { color: var(--ink-70); font-size: 0.92rem; line-height: 1.85; }

/* ============================================================
   Before / After
   ============================================================ */
.ba {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 820px) {
  .ba { grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 28px; }
}
.ba__col {
  padding: 32px;
  border-radius: var(--radius-md);
  background: var(--paper);
  border: 1px solid var(--line);
}
.ba__col--issue { border-color: color-mix(in srgb, var(--kaki) 40%, var(--line)); background: color-mix(in srgb, var(--kaki-soft) 25%, var(--paper)); }
.ba__col--future { border-color: color-mix(in srgb, var(--wakaba) 40%, var(--line)); background: color-mix(in srgb, var(--wakaba-soft) 30%, var(--paper)); }
.ba__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 500;
  background: var(--paper);
}
.ba__col--issue .ba__label { color: var(--kaki-dark); }
.ba__col--future .ba__label { color: #5a7648; }
.ba__items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.ba__item {
  padding: 16px;
  background: var(--paper);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}
.ba__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-mono);
  color: var(--ink-40);
  font-size: 1.4rem;
}

/* ============================================================
   Quote
   ============================================================ */
.quote {
  font-family: var(--f-sans-ja);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  line-height: 1.7;
  max-width: 22ch;
  position: relative;
  padding-left: 36px;
  color: var(--ink);
}
.quote::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 3px;
  height: calc(100% - 24px);
  background: var(--kaki);
  border-radius: 2px;
}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  background: linear-gradient(135deg, var(--kaki-soft) 0%, var(--yamabuki-soft) 100%);
  color: var(--ink);
  padding: clamp(72px, 11vw, 140px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  pointer-events: none;
}
.cta-band::before {
  top: -80px; left: -80px;
  background: radial-gradient(circle, var(--kaki) 0%, transparent 65%);
  opacity: 0.25;
}
.cta-band::after {
  bottom: -120px; right: -120px;
  background: radial-gradient(circle, var(--wakaba) 0%, transparent 65%);
  opacity: 0.3;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band .h1 { max-width: 22ch; margin: 0 auto; color: var(--ink); }
.cta-band .lead { color: var(--ink-70); margin: 28px auto 40px; }
.cta-band .btn--primary { background: var(--ink); color: var(--paper); }
.cta-band .btn--primary:hover { background: var(--kaki-dark); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  padding: clamp(72px, 10vw, 120px) 0 32px;
  position: relative;
  overflow: hidden;
}
.site-footer__tagline {
  font-family: var(--f-sans-ja);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 56px;
  max-width: 28ch;
}
.site-footer__tagline .accent { color: var(--kaki); }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
@media (min-width: 820px) {
  .site-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.site-footer__brand .logo { font-size: 1.5rem; }
.site-footer__tag { margin-top: 20px; color: var(--ink-70); max-width: 32ch; line-height: 1.85; }
.site-footer__list { display: flex; flex-direction: column; gap: 12px; }
.site-footer__list-title {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--ink-40);
}
.site-footer__list a { font-size: 0.95rem; color: var(--ink-70); transition: color 300ms var(--ease); }
.site-footer__list a:hover { color: var(--kaki); }
.site-footer__bottom {
  border-top: 1px solid var(--line);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--ink-40);
  font-size: 0.78rem;
  font-family: var(--f-mono);
  letter-spacing: 0.08em;
}

/* ============================================================
   Page head（下層ページ共通ヒアロー）
   ============================================================ */
.page-head {
  padding-top: clamp(140px, 18vh, 200px);
  padding-bottom: clamp(64px, 9vw, 128px);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  background: var(--paper);
  isolation: isolate;
}
/* Background soft glow (kaki + yamabuki) */
.page-head__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.page-head__glow {
  position: absolute;
  width: 70vw;
  height: 70vw;
  max-width: 800px;
  max-height: 800px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(70px);
  opacity: 0.55;
  animation: floatSlow 18s ease-in-out infinite;
}
.page-head__glow--kaki {
  right: -15%;
  top: 5%;
  background: radial-gradient(circle, var(--kaki-soft) 0%, transparent 62%);
}
.page-head__glow--asagi {
  left: -20%;
  bottom: -30%;
  background: radial-gradient(circle, var(--asagi-soft) 0%, transparent 62%);
  opacity: 0.45;
  animation-delay: -6s;
}
.page-head__glow--wakaba {
  right: 30%;
  bottom: -40%;
  background: radial-gradient(circle, var(--wakaba-soft) 0%, transparent 62%);
  opacity: 0.4;
  animation-delay: -10s;
}
@keyframes floatSlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-2vw, 2vh) scale(1.06); }
}
/* Dot pattern */
.page-head__dots {
  position: absolute;
  left: 0; right: 0; top: 0; bottom: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--ink-20) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: 0 0;
  opacity: 0.35;
  mask-image: linear-gradient(to bottom, transparent 20%, #000 40%, #000 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 20%, #000 40%, #000 80%, transparent 100%);
}

/* Grid layout for content + art */
.page-head__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
@media (min-width: 960px) {
  .page-head__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 1fr);
  }
}
.page-head__content { position: relative; min-width: 0; }
.page-head__art {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 420px;
  justify-self: end;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-width: 960px) {
  .page-head__art { max-width: 320px; opacity: 0.9; margin-top: 8px; }
}
.page-head__art svg { width: 100%; height: 100%; }

/* Breadcrumb chip style */
.page-head__breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  background: color-mix(in srgb, var(--paper) 85%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-60);
  margin-bottom: 32px;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.page-head__breadcrumb::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--kaki);
  animation: pulse 2.4s ease-in-out infinite;
  flex: none;
}
.page-head__breadcrumb a:hover { color: var(--kaki); }
.page-head__title {
  max-width: 22ch;
  position: relative;
  font-family: var(--f-sans-ja);
  font-weight: 900;
  line-height: 1.35;
  z-index: 2;
}
.page-head__lead { margin-top: 36px; max-width: 52ch; position: relative; z-index: 2; }

/* Soft horizon line at bottom of page head */
.page-head::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: linear-gradient(to right, transparent 0%, var(--kaki) 30%, var(--yamabuki) 50%, var(--wakaba) 70%, transparent 100%);
  opacity: 0.35;
  pointer-events: none;
}

/* ---- Page-head SVG art — common styles ---- */
.ph-art {
  overflow: visible;
}
.ph-art .stroke-kaki { stroke: var(--kaki); }
.ph-art .stroke-wakaba { stroke: var(--wakaba); }
.ph-art .stroke-asagi { stroke: var(--asagi); }
.ph-art .stroke-yamabuki { stroke: var(--yamabuki); }
.ph-art .stroke-ink { stroke: var(--ink); }
.ph-art .fill-kaki { fill: var(--kaki); }
.ph-art .fill-wakaba { fill: var(--wakaba); }
.ph-art .fill-asagi { fill: var(--asagi); }
.ph-art .fill-yamabuki { fill: var(--yamabuki); }
.ph-art .fill-kaki-soft { fill: var(--kaki-soft); }
.ph-art .fill-wakaba-soft { fill: var(--wakaba-soft); }
.ph-art .fill-asagi-soft { fill: var(--asagi-soft); }
.ph-art .fill-yamabuki-soft { fill: var(--yamabuki-soft); }
/* ---- Page-head SVG Animations ---- */

/* Base transform root for SVG children */
.ph-art g[data-spin],
.ph-art g[data-spin-rev],
.ph-art g[data-float],
.ph-art g[data-float-delay],
.ph-art g[data-float-slow],
.ph-art g[data-pulse],
.ph-art g[data-ripple],
.ph-art g[data-wave],
.ph-art g[data-wave-delay],
.ph-art g[data-fly] {
  transform-origin: 50% 50%;
  transform-box: view-box;
}

/* 1. Spin（旋回ダッシュリング） */
.ph-art [data-spin] { animation: phSpin 40s linear infinite; }
.ph-art [data-spin-rev] { animation: phSpin 60s linear infinite reverse; }
@keyframes phSpin { to { transform: rotate(360deg); } }

/* 2. Float（穏やかな上下浮遊） */
.ph-art [data-float] { animation: phDrift 8s ease-in-out infinite; }
.ph-art [data-float-delay] { animation: phDrift 8s ease-in-out infinite 1.5s; }
.ph-art [data-float-slow] { animation: phDrift 12s ease-in-out infinite; }
@keyframes phDrift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 3. Pulse（中心コアの脈動） */
.ph-art [data-pulse] { animation: phPulse 2.8s ease-in-out infinite; }
.ph-art [data-pulse-fast] { animation: phPulse 1.6s ease-in-out infinite; }
@keyframes phPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.18); }
}

/* 4. Ripple（波紋・放射） */
.ph-art [data-ripple] {
  animation: phRipple 4.5s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  opacity: 0;
}
.ph-art [data-ripple-d="1"] { animation-delay: 0s; }
.ph-art [data-ripple-d="2"] { animation-delay: 0.9s; }
.ph-art [data-ripple-d="3"] { animation-delay: 1.8s; }
.ph-art [data-ripple-d="4"] { animation-delay: 2.7s; }
@keyframes phRipple {
  0% { opacity: 0; transform: scale(0.25); }
  30% { opacity: 0.9; }
  100% { opacity: 0; transform: scale(1.3); }
}

/* 5. Twinkle（星のまたたき） */
.ph-art [data-twinkle] {
  animation: phTwinkle 3.2s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: 50% 50%;
}
.ph-art [data-twinkle-d="1"] { animation-delay: 0.2s; }
.ph-art [data-twinkle-d="2"] { animation-delay: 0.5s; }
.ph-art [data-twinkle-d="3"] { animation-delay: 0.9s; }
.ph-art [data-twinkle-d="4"] { animation-delay: 1.3s; }
.ph-art [data-twinkle-d="5"] { animation-delay: 1.6s; }
.ph-art [data-twinkle-d="6"] { animation-delay: 2.0s; }
.ph-art [data-twinkle-d="7"] { animation-delay: 2.4s; }
.ph-art [data-twinkle-d="8"] { animation-delay: 2.8s; }
@keyframes phTwinkle {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.12); }
}

/* 6. Flow（ダッシュストロークの流れ） */
.ph-art [data-flow] {
  stroke-dasharray: 4 9;
  animation: phFlow 8s linear infinite;
}
.ph-art [data-flow-fast] {
  stroke-dasharray: 4 9;
  animation: phFlow 4s linear infinite;
}
.ph-art [data-flow-rev] {
  stroke-dasharray: 4 9;
  animation: phFlow 8s linear infinite reverse;
}
@keyframes phFlow { to { stroke-dashoffset: -260; } }

/* 7. Wave（横方向の揺れ） */
.ph-art [data-wave] { animation: phWave 6s ease-in-out infinite; }
.ph-art [data-wave-delay] { animation: phWave 6s ease-in-out infinite 1.5s; }
@keyframes phWave {
  0%, 100% { transform: translateX(0) translateY(0); }
  25% { transform: translateX(-10px) translateY(-4px); }
  50% { transform: translateX(0) translateY(0); }
  75% { transform: translateX(10px) translateY(-4px); }
}

/* 8. Fly（軌道を描く飛行） */
.ph-art [data-fly] {
  animation: phFly 10s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}
@keyframes phFly {
  0% { transform: translate(-160px, 140px); opacity: 0; }
  15% { opacity: 1; }
  55% { transform: translate(0, 0); opacity: 1; }
  85% { transform: translate(80px, -80px); opacity: 0.85; }
  100% { transform: translate(160px, -140px); opacity: 0; }
}

/* 9. Typing-style dash draw (引き込む線) */
.ph-art [data-draw] {
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: phDraw 3.5s ease-out forwards;
}
@keyframes phDraw { to { stroke-dashoffset: 0; } }

/* Reduced motion — 全無効化 */
@media (prefers-reduced-motion: reduce) {
  .ph-art [data-spin], .ph-art [data-spin-rev],
  .ph-art [data-float], .ph-art [data-float-delay], .ph-art [data-float-slow],
  .ph-art [data-pulse], .ph-art [data-pulse-fast],
  .ph-art [data-ripple],
  .ph-art [data-twinkle],
  .ph-art [data-flow], .ph-art [data-flow-fast], .ph-art [data-flow-rev],
  .ph-art [data-wave], .ph-art [data-wave-delay],
  .ph-art [data-fly],
  .ph-art [data-draw],
  .page-head__glow { animation: none; }
  .ph-art [data-ripple], .ph-art [data-fly] { opacity: 1; transform: none; }
  .ph-art [data-draw] { stroke-dashoffset: 0; }
}

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 900ms var(--ease-gentle), transform 900ms var(--ease-gentle); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  [data-splitchars] .char { animation: none; opacity: 1; transform: none; }
  .hero__glow, .marquee__track { animation: none; }
}

/* ============================================================
   Feature list
   ============================================================ */
.feature-list { display: grid; gap: 0; }
.feature-list__item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 44px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  align-items: start;
  position: relative;
  transition: padding-left 400ms var(--ease), background 400ms var(--ease);
}
.feature-list__item:last-child { border-bottom: 1px solid var(--line); }
.feature-list__item:hover { padding-left: 20px; background: color-mix(in srgb, var(--cream) 40%, transparent); }
.feature-list__num {
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.18em;
  color: var(--kaki);
  padding-top: 8px;
  line-height: 1;
  text-transform: uppercase;
}
.feature-list__body h3 {
  font-family: var(--f-sans-ja);
  font-weight: 900;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.4;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
}
.feature-list__body h3 a { transition: color 300ms var(--ease); }
.feature-list__body h3 a:hover { color: var(--kaki); }
.feature-list__body p { color: var(--ink-70); }

/* ============================================================
   Contact form — カード型でエッジを柔らかく
   ============================================================ */
.form {
  display: grid;
  gap: 24px;
  padding: clamp(28px, 4vw, 48px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px -28px rgba(44, 36, 24, 0.1);
}
.form__field { position: relative; }
.form__field label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-sans-ja);
  font-size: 0.82rem;
  color: var(--ink);
  margin-bottom: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.form__field label .req {
  display: inline-block;
  padding: 2px 8px;
  background: var(--kaki);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  border-radius: 999px;
  font-weight: 500;
}
.form__field label .opt {
  display: inline-block;
  padding: 2px 8px;
  background: var(--paper-2);
  color: var(--ink-60);
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  border-radius: 999px;
  font-weight: 500;
}
.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.form__field input::placeholder,
.form__field textarea::placeholder { color: var(--ink-40); }
.form__field input:hover,
.form__field select:hover,
.form__field textarea:hover {
  border-color: var(--ink-40);
}
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--kaki);
  background: var(--cream);
}
.form__field textarea { resize: vertical; min-height: 140px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 640px) { .form__row { grid-template-columns: 1fr; } }
.form__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  flex-wrap: wrap;
  gap: 16px;
}
.form__check { font-size: 0.82rem; color: var(--ink-60); max-width: 32ch; line-height: 1.7; }
[data-form-status] { min-height: 1.2em; }

/* ============================================================
   Responsive
   ============================================================ */
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 2fr 1fr; align-items: end; }
}
@media (max-width: 820px) {
  .kpi-wrap { grid-template-columns: repeat(2, 1fr); }
  .kpi-item:nth-child(3) { border-left: 0; }
  .kpi-item:nth-child(2), .kpi-item:nth-child(4) { border-left: 1px solid var(--line); }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .logo-wall__item:nth-child(4n) { border-right: 1px solid var(--line); }
  .logo-wall__item:nth-child(2n) { border-right: 0; }
  .service { grid-template-columns: 1fr; gap: 20px; padding: 32px; }
  .service__cta { justify-content: flex-start; }
  .feature-list__item { grid-template-columns: 1fr; gap: 14px; padding: 32px 0; }
  .nav { display: none; }
  .nav-toggle { display: inline-block; }
  body.nav-open .nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--paper);
    align-items: flex-start;
    justify-content: center;
    padding: 80px var(--gutter);
    gap: 24px;
    z-index: 55;
  }
  body.nav-open .nav a { font-size: 2rem; font-family: var(--f-sans-ja); font-weight: 900; }
  body.nav-open .nav .btn { margin-top: 20px; }
}

/* ============================================================
   Focus — 視認性重視の太めリング
   ============================================================ */
:focus-visible {
  outline: 3px solid var(--kaki);
  outline-offset: 3px;
  border-radius: 4px;
}
.btn:focus-visible { outline-offset: 4px; }

/* Skip link — フォーカス時だけ表示 */
.sr-only:focus-visible {
  position: fixed;
  top: 12px; left: 12px;
  width: auto; height: auto;
  clip: auto;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
  font-family: var(--f-sans-ja);
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 100;
}

/* ============================================================
   Utilities
   ============================================================ */
.hide-desktop { display: none; }
.hide-mobile { display: initial; }
@media (max-width: 820px) {
  .hide-desktop { display: initial; }
  .hide-mobile { display: none; }
}
.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mt-64 { margin-top: 64px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   Legacy shim
   ============================================================ */
.hero__title-ja { display: inline; }
.hero__accent { color: var(--kaki); }

.service-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 4vw, 56px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 400ms var(--ease), transform 400ms var(--ease), box-shadow 400ms var(--ease);
}
.service-card:hover {
  border-color: var(--kaki);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(44, 36, 24, 0.15);
}
.service-card__num {
  font-family: var(--f-mono);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--kaki);
  font-weight: 500;
  text-transform: uppercase;
}
.service-card__title {
  font-family: var(--f-sans-ja);
  font-weight: 900;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
}
.service-card__body { color: var(--ink-70); }
.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  margin-top: 8px;
}
.service-card__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 0.95rem;
  color: var(--ink-70);
}
.service-card__list li::before {
  content: "—";
  color: var(--kaki);
  flex: none;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 820px) { .services-grid { grid-template-columns: 1fr; } }