@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
  --color-blue: rgb(0, 60, 150);
  --color-green: rgb(110, 175, 115);
  --color-red: rgb(150, 35, 30);
  --color-lightblue: rgb(120, 210, 240);
  --color-yellow: rgb(255, 230, 50);
  --color-pink: rgb(240, 70, 120);
  --color-purple: rgb(70, 45, 85);
  --color-orange: rgb(235, 100, 60);
  --color-white: #ffffff;
  --color-black: #333333;
}

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

/* ===== フルページスクロール ===== */
html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
  scroll-padding-top: 0;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--color-black);
  background-image: url('../images/brand/background-min.png');
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  line-height: 2;
  overflow-x: hidden;
  font-weight: 400;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* 各スナップセクション */
.section-snap {
  scroll-snap-align: start;
  height: 100vh;
  overflow: visible;
  position: relative;
}

/* スクロール矢印（アイコン画像） */
.scroll-arrow-img {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) rotate(180deg);
  width: 28px;
  height: auto;
  z-index: 20;
  animation: arrowBounce 2s ease-in-out infinite;
  cursor: pointer;
  pointer-events: none;
  filter: brightness(0) opacity(0.3);
}

@keyframes arrowBounce {
  0%, 100% { transform: translateX(-50%) rotate(180deg) translateY(0); opacity: 0.3; }
  50% { transform: translateX(-50%) rotate(180deg) translateY(8px); opacity: 0.65; }
}

/* 内部のセクション */
.section {
  height: 100vh;
  padding: 80px 0 45px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 60px;
  position: relative;
  z-index: 10;
}

/* テキストカラー強調 */
.text-orange, .text-blue, .text-pink, .text-green {
  font-weight: 800;
  font-size: 1.45em;
  letter-spacing: 0.03em;
}
.text-orange { color: var(--color-orange); }
.text-blue   { color: var(--color-blue); }
.text-pink   { color: var(--color-pink); }
.text-green  { color: var(--color-green); }

/* 背景色との同化を防ぐため、特定セクション内の強調文字色を調整 */
.approach-content .text-orange { color: rgb(0, 60, 150); }
.approach-content .text-blue   { color: rgb(0, 60, 150); }
.approach-content .text-pink   { color: rgb(70, 45, 85); }
.approach-content .text-green  { color: rgb(255, 230, 50); }

.voice-body .text-orange,
.voice-body .text-blue,
.voice-body .text-pink,
.voice-body .text-green {
  color: #fff;
}
.voice-body.voice-body-dark .text-orange,
.voice-body.voice-body-dark .text-blue,
.voice-body.voice-body-dark .text-pink,
.voice-body.voice-body-dark .text-green {
  color: var(--color-black);
}

.approach-text-side { color: var(--color-black) !important; }

/* 改行位置コントロール用 */
.pc-br { display: block; }
.sp-br { display: none; }

.section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 25px;
  color: var(--color-black);
  position: relative;
  z-index: 10;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-desc {
  text-align: center;
  margin-bottom: 45px;
  font-size: 1.15rem;
  color: #555;
  line-height: 1.9;
  position: relative;
  z-index: 10;
}

/* ===== ヘッダー ===== */
header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 15px 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,0.03);
}

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

.logo {
  display: flex;
  align-items: center;
  overflow: hidden;
  height: 60px;
}

.logo img {
  height: 140px;
  margin: -40px 0;
  width: auto;
  display: block;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--color-black);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  transition: opacity 0.3s ease, color 0.3s ease;
}

nav a:hover { color: var(--color-blue); }

/* ===== ヒーロー ===== */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 900px;
}

.hero-catch {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-green);
  letter-spacing: 0.05em;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  opacity: 0;
  animation: heroFadeIn 2s ease-out 0.5s forwards;
}

@keyframes heroFadeIn {
  0% { opacity: 0; transform: translateY(25px); }
  100% { opacity: 1; transform: translateY(0); }
}

.hero-label {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-black);
  margin-bottom: 15px;
  opacity: 0;
  animation: heroFadeIn 1.5s ease-out 0.2s forwards;
}

.hero-line2 {
  margin-top: 10px;
}

/* ===== ブランド素材 ===== */
.shape {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
}

/* ヒーロー内のブランド素材：テキスト後にフェードイン */
.shape-hero {
  opacity: 0;
  z-index: 1;
  animation: fadeInFloat 2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.shape-huge { width: 70vw; max-width: 900px; min-width: 500px; }
.shape-large { width: 45vw; max-width: 600px; min-width: 300px; }
.shape-medium { width: 25vw; max-width: 350px; min-width: 150px; }

@keyframes fadeInFloat {
  0% { opacity: 0; transform: translateY(30px) scale(0.9) rotate(var(--rot, 0deg)); }
  100% { opacity: 0.5; transform: translateY(0) scale(1) rotate(var(--rot, 0deg)); }
}

.delay-hero-1 { animation-delay: 2.5s; }
.delay-hero-2 { animation-delay: 3.0s; }
.delay-hero-3 { animation-delay: 3.5s; }
.delay-hero-4 { animation-delay: 4.0s; }

/* ===== 巨大図形コンテナ ===== */
.shape-container {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shape-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ===== ミッション ===== */
.mission-container {
  max-width: 1000px;
  margin: 0 auto;
  font-size: 1.2rem;
  line-height: 2.2;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-black);
}

.mission-block {
  margin-bottom: 40px;
}

.mission-block:last-child { margin-bottom: 0; }

/* ===== サービス ===== */
.service-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding: 0 20px;
  position: relative;
  z-index: 10;
}

.card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
  height: 100%;
}

.card-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.card ul { list-style: none; font-size: 1.1rem; }
.card ul li {
  margin-bottom: 20px;
  padding-left: 25px;
  position: relative;
  font-weight: 500;
}
.card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 14px;
  width: 6px; height: 6px;
  background-color: var(--color-black);
  border-radius: 50%;
}
.card ul li small { display: block; font-size: 0.95rem; font-weight: 400; color: #777; margin-top: 5px; }

/* ===== アプローチ ===== */
.approach-content {
  position: relative;
  z-index: 10;
  max-width: 600px;
  margin: 0 auto;
}

.approach-text {
  font-size: 1.15rem;
  line-height: 2;
  font-weight: 500;
  color: var(--color-white);
  text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.approach-text-side {
  position: absolute;
  bottom: -150px;
  right: -80px;
  text-align: left;
  font-size: 1.15rem;
  line-height: 1.9;
  font-weight: 700;
  color: var(--color-black);
}

/* ===== お客様の声（吹き出しカード） ===== */
#voice {
  margin-top: 15vh; /* Our Approachとの間にあえて白い余白を作る */
}
.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
  padding: 0 20px;
  position: relative;
  z-index: 10;
}

/* 段差をつけてリズムを出す */
.speech-bubble-card:nth-child(2) { margin-top: 40px; }
.speech-bubble-card:nth-child(3) { margin-top: -20px; }
.speech-bubble-card:nth-child(4) { margin-top: 20px; }

.speech-bubble-card {
  text-align: center;
}

/* 肩書きは吹き出しの外側に */
.voice-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 4px;
  letter-spacing: 0.03em;
}

/* 吹き出し画像＋テキストの重ね合わせコンテナ */
.bubble-wrap {
  position: relative;
  max-width: 380px;
  margin: 0 auto;
}

/* 吹き出し画像 */
.bubble-img {
  display: block;
  width: 100%;
  height: auto;
}

/* テキストを吹き出し画像の内側に絶対配置 */
.bubble-text {
  position: absolute;
  top: 8%;
  left: 10%;
  right: 8%;
  bottom: 26%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.voice-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #fff;
  font-weight: 600;
}

.voice-body strong {
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.voice-body-dark {
  color: var(--color-black);
}

/* ===== 会社概要 ===== */
.company-info {
  background: var(--color-white);
  padding: 30px 50px;
  border-radius: 20px;
  position: relative;
  z-index: 10;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
  border: 1px solid rgba(0,0,0,0.03);
  max-width: 800px;
  margin: 0 auto;
}
.company-info dl { display: flex; flex-wrap: wrap; border-top: 1px solid #f0f0f0; }
.company-info dt, .company-info dd { padding: 14px 0; border-bottom: 1px solid #f0f0f0; font-size: 1.05rem; line-height: 1.7; }
.company-info dt { width: 25%; font-weight: 700; color: var(--color-black); }
.company-info dd { width: 75%; font-weight: 400; }
.company-info a { color: var(--color-black); text-decoration: underline; }

/* ===== 社名の由来 ===== */
.origin {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.origin-content {
  max-width: 750px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
  background: var(--color-white);
  padding: 45px 55px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
  border: 1px solid rgba(0,0,0,0.03);
}

.origin-content p {
  font-size: 1.1rem;
  line-height: 2;
  color: #555;
  font-weight: 400;
  margin-bottom: 18px;
}

.origin-content p:last-child { margin-bottom: 0; }

/* ===== フッター ===== */
footer {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
}

.footer-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-lead {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-black);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.btn-contact {
  display: inline-block;
  background: var(--color-orange);
  color: var(--color-white);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 25px 80px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(243,118,37,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-contact:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(243,118,37,0.4);
}

.footer-copy {
  margin-top: 30px;
  color: #999;
}

/* ===== スクロールアニメーション ===== */
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 1s ease-out, transform 1s ease-out; }
.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

/* ===== 多彩なアニメーション ===== */

@keyframes swayHoriz {
  0%, 100% { transform: translateX(0) rotate(-5deg); }
  50% { transform: translateX(20px) rotate(5deg); }
}

@keyframes floatVert {
  0%, 100% { transform: translateY(0) rotate(10deg); }
  50% { transform: translateY(-30px) rotate(15deg); }
}

@keyframes driftDiag {
  0%, 100% { transform: translate(0, 0) rotate(-10deg); }
  33% { transform: translate(15px, -20px) rotate(5deg); }
  66% { transform: translate(-10px, -10px) rotate(-15deg); }
}

@keyframes wobbleRotate {
  0%, 100% { transform: rotate(-8deg) scale(1); }
  25% { transform: rotate(5deg) scale(1.03); }
  50% { transform: rotate(-3deg) scale(0.97); }
  75% { transform: rotate(8deg) scale(1.02); }
}

@keyframes gentleSpin {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(12deg); }
}

@keyframes breatheTilt {
  0%, 100% { transform: scale(1) rotate(20deg); }
  50% { transform: scale(1.06) rotate(25deg); }
}

@keyframes floatWide {
  0%, 100% { transform: translate(0, 0) rotate(-15deg); }
  50% { transform: translate(-25px, -35px) rotate(-5deg); }
}

.anim-sway-h    { animation: swayHoriz 7s ease-in-out infinite; }
.anim-float-v   { animation: floatVert 6s ease-in-out infinite; }
.anim-drift     { animation: driftDiag 9s ease-in-out infinite; }
.anim-wobble    { animation: wobbleRotate 8s ease-in-out infinite; }
.anim-spin      { animation: gentleSpin 10s ease-in-out infinite; }
.anim-breathe-t { animation: breatheTilt 6s ease-in-out infinite; }
.anim-float-w   { animation: floatWide 8s ease-in-out infinite; }

/* ===== レスポンシブ ===== */

/* ハンバーガーメニュー（デスクトップでは非表示） */
#nav-toggle { display: none; }
.hamburger { display: none; }

@media (max-width: 900px) {
  /* --- スクロールスナップ解除 --- */
  html { scroll-snap-type: none; }
  .section-snap {
    height: auto;
    min-height: auto;
    scroll-snap-align: none;
    overflow: visible;
  }
  .section {
    height: auto;
    min-height: auto;
    padding: 80px 0 60px;
    justify-content: flex-start;
    padding-top: 100px;
  }
  footer {
    height: auto;
    min-height: auto;
    padding: 80px 0 40px;
  }

  /* --- コンテナ --- */
  /* --- モバイル全体調整 --- */
  .text-orange, .text-blue, .text-pink, .text-green {
    font-size: 1.2em; /* スマホでは大きすぎないように */
  }

  /* --- ヘッダー --- */
  .logo img { height: 100px; margin: -25px 0; }

  /* --- ヒーロー --- */
  .hero { height: 100svh; min-height: 500px; }
  .hero-catch { font-size: 2.2rem; }
  .hero-line2 { margin-top: 5px; }
  .hero-content { max-width: 90%; padding: 0 10px; }

  /* --- セクションタイトル --- */
  .section-title { font-size: 1.8rem; margin-bottom: 20px; }
  .section-desc { font-size: 1rem; margin-bottom: 30px; }

  /* --- ミッション --- */
  .mission-container { font-size: 1.05rem; }
  .mission-block {
    margin-bottom: 25px !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    text-align: left !important;
  }
  .mission-block:last-child { margin-bottom: 0 !important; }
  .mission-block + .mission-block { margin-top: 25px !important; }
  .mission-container p[style*="margin-top"] { margin-top: 20px !important; }

  /* --- PC/SP専用改行 --- */
  .pc-br { display: none !important; }
  .sp-br { display: block !important; }

  /* --- サービスカード --- */
  .service-cards { grid-template-columns: 1fr; gap: 20px; padding: 0; }
  .card { padding: 25px 20px; }
  .card-title { font-size: 1.3rem; margin-bottom: 15px; }
  .card ul { font-size: 1rem; }
  .card ul li { margin-bottom: 15px; }
  .card ul li small { font-size: 0.85rem; }

  /* --- アプローチ --- */
  .shape-container {
    width: 180vw; height: 180vw;
    max-width: none; max-height: none;
  }
  .approach-content {
    max-width: 100%;
    padding: 30px 24px;
  }
  .approach-text { font-size: 1rem; }
  .approach-text-side {
    position: relative;
    bottom: 0; right: 0;
    text-align: center;
    margin-top: 30px;
    font-size: 1rem;
    color: var(--color-white);
    font-weight: 500;
    text-shadow: 0 2px 10px rgba(0,0,0,0.1);
  }

  /* --- お客様の声 --- */
  .voice-grid { grid-template-columns: 1fr; gap: 15px; padding: 0; }
  .speech-bubble-card:nth-child(2) { margin-top: 0; }
  .speech-bubble-card:nth-child(3) { margin-top: 0; }
  .speech-bubble-card:nth-child(4) { margin-top: 0; }
  .bubble-wrap { max-width: 320px; }
  .voice-body { font-size: 0.85rem; }
  .voice-name { font-size: 0.85rem; }

  /* --- 会社概要 --- */
  .company-info { padding: 25px 20px; }
  .company-info dt, .company-info dd {
    width: 100%; padding: 10px 0; font-size: 0.95rem;
  }
  .company-info dt {
    border-bottom: none; padding-bottom: 0;
    font-size: 0.85rem; color: #999;
  }

  /* --- 社名の由来 --- */
  .origin-content { padding: 30px 20px; }
  .origin-content p { font-size: 1rem; }

  /* --- フッター --- */
  .btn-contact { font-size: 1.2rem; padding: 20px 50px; }
  .footer-lead { font-size: 1.2rem; }

  /* --- ブランド素材：モバイル重なり回避 --- */

  /* クラスベースの大型素材を縮小 */
  .shape-large { min-width: 0; width: 25vw; max-width: 130px; }
  .shape-medium { min-width: 0; width: 18vw; max-width: 100px; }
  .shape-huge { min-width: 0; width: 40vw; max-width: 250px; }

  /* ヒーロー：中型素材を縮小＋テキスト領域との重なり回避 */
  .hero > img:nth-child(2) { width: 120px !important; }   /* U中 250→120 */
  .hero > img:nth-child(3) { width: 100px !important; }   /* P中 220→100 */
  .hero > img:nth-child(4) { bottom: 6% !important; right: 3% !important; }  /* M小：右下隅へ */
  .hero > img:nth-child(5) { display: none; }              /* S小：P中と重なるため非表示 */
  .hero > img:nth-child(6) { top: 18% !important; left: 8% !important; }     /* O小：左上へ */
  .hero > img:nth-child(7) { bottom: 6% !important; right: 35% !important; } /* R小：下方中央寄りへ */

  /* ミッション：O中を縮小 */
  #mission > div > img:nth-child(1) { width: 130px !important; }

  /* お客様の声：P中を縮小 */
  #voice > div > img:nth-child(2) { width: 80px !important; }

  /* 会社概要：M大を縮小＋上寄せ（下セクションへのはみ出し防止） */
  #company > div > img:nth-child(1) {
    width: 150px !important;
    bottom: 3% !important;
    right: -5% !important;
  }

  /* 社名の由来：U中を縮小、R小を左へ（M大との重なり回避） */
  #origin > div > img:nth-child(1) { right: 35% !important; }  /* R小：左方向へ離す */
  #origin > div > img:nth-child(3) { width: 90px !important; }

  /* --- PC用改行をモバイルでは解除 --- */
  .mission-container br,
  .approach-text br,
  .approach-text-side br,
  .section-desc br { display: none; }

  /* --- スクロール矢印非表示（スナップ解除のため不要） --- */
  .scroll-arrow-img { display: none; }
}

@media (max-width: 600px) {
  /* --- ハンバーガーメニュー表示 --- */
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    z-index: 200;
    position: relative;
  }
  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  /* ハンバーガー → × アニメーション */
  #nav-toggle:checked ~ .header-inner .hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  #nav-toggle:checked ~ .header-inner .hamburger span:nth-child(2) {
    opacity: 0;
  }
  #nav-toggle:checked ~ .header-inner .hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* ナビをフルスクリーンオーバーレイ化 */
  nav {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  #nav-toggle:checked ~ .header-inner nav {
    opacity: 1;
    pointer-events: auto;
  }
  nav ul {
    flex-direction: column;
    gap: 25px;
    align-items: center;
  }
  nav a { font-size: 1.2rem; }

  /* --- ヒーロー --- */
  .hero-catch { font-size: clamp(1.5rem, 6vw, 2.2rem); }
  .hero-label { font-size: 0.75rem; }

  /* --- コンテナ --- */
  .container { padding: 0 16px; }

  /* --- ヘッダー --- */
  header { padding: 10px 0; }
  .logo { height: 45px; }
  .logo img { height: 85px; margin: -20px 0; }

  /* --- ミッション --- */
  .mission-container { font-size: 0.95rem; line-height: 2; }
  .mission-block + .mission-block { margin-top: 20px !important; }

  /* --- カード --- */
  .card { padding: 20px 16px; }
  .card-title { font-size: 1.15rem; }
  .card ul { font-size: 0.9rem; }

  /* --- アプローチ --- */
  .approach-text { font-size: 0.9rem; line-height: 1.8; }
  .approach-text-side { font-size: 0.9rem; line-height: 1.8; }

  /* --- 吹き出し --- */
  .bubble-wrap { max-width: 280px; }
  .voice-body { font-size: 0.78rem; line-height: 1.5; }
  .voice-name { font-size: 0.8rem; }

  /* --- 会社概要 --- */
  .company-info { padding: 20px 16px; }

  /* --- 社名の由来 --- */
  .origin-content { padding: 25px 16px; }
  .origin-content p { font-size: 0.9rem; line-height: 1.9; }

  /* --- フッター --- */
  .btn-contact { font-size: 1.1rem; padding: 18px 40px; letter-spacing: 0.1em; }
  .footer-lead { font-size: 1.05rem; }
}