/* ============================================================
   ROOP Enterprise — 基盤スタイル（トップページ中心）
   共通UI → css/components.css（必須）
   実績カード → css/achievements.css
   ============================================================ */

/* --- 設定（変数）--- */
:root {
  --color-black: #0a0a0a;
  --color-black-soft: #141414;
  --color-black-card: #1a1a1a;
  --color-white: #ffffff;
  --color-gray: #9ca3af;
  --color-gray-dark: #4b5563;
  --color-orange: #ff6b00;
  --color-orange-dark: #e85d04;
  --color-orange-glow: rgba(255, 107, 0, 0.45);

  --font-main: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --font-display: "Oswald", "Noto Sans JP", sans-serif;
  --header-height: 76px;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
  --shadow-orange: 0 4px 20px var(--color-orange-glow);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --fade-distance: 12px;
}

/* --- リセット・基本 --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-white);
  background: var(--color-black);
  overflow-x: hidden;
  max-width: 100%;
}

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

a {
  color: var(--color-orange);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-white);
}

.container {
  width: min(1140px, 92%);
  max-width: 100%;
  margin-inline: auto;
}

/* --- スクロールフェードイン（JSで .is-visible を付与）--- */
.fade-in {
  opacity: 0;
  transition: opacity 0.28s ease;
}

.fade-in.is-visible {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- ボタン --- */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border-radius: 2px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn-primary {
  background: var(--color-orange);
  color: var(--color-black);
  border-color: var(--color-orange);
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-black);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  border-color: var(--color-orange);
  color: var(--color-orange);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
  text-align: center;
}

/* --- ヘッダー --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: 0 1px 0 rgba(255, 107, 0, 0.25);
}

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

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  color: var(--color-white);
}

.logo:hover {
  color: var(--color-orange);
}

.logo-main {
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.logo-sub {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.03em;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-orange);
  transition: width var(--transition);
}

.site-nav a:hover {
  color: var(--color-white);
}

.site-nav a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 26px;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition);
}

/* --- TOP（動画背景）--- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 100%;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  transform: translateZ(0);
  isolation: isolate;
}

.hero-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  visibility: visible;
  opacity: 1;
}

.hero-video-wrap--playing .hero-video {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(10, 10, 10, 0.6) 0%,
    rgba(10, 10, 10, 0.55) 45%,
    rgba(10, 10, 10, 0.75) 100%
  );
}

.hero-grain {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 3rem 0 5rem;
  max-width: 720px;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 2vw, 1rem);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin: 0 0 1rem;
}

.hero-title {
  margin: 0 0 1.25rem;
  font-size: clamp(2.4rem, 7vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
}

.hero-title-line {
  display: block;
}

.hero-title-accent {
  color: var(--color-white);
  position: relative;
  display: inline-block;
}

.hero-title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.1em;
  width: 100%;
  height: 0.35em;
  background: var(--color-orange);
  opacity: 0.35;
  z-index: -1;
}

.hero-lead {
  margin: 0 0 2rem;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--color-gray);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  right: 8%;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-gray);
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-orange), transparent);
  opacity: 0.55;
}

/* --- セクション共通 --- */
.section {
  padding: 5.5rem 0;
  position: relative;
  content-visibility: auto;
  contain-intrinsic-size: auto 480px;
}

.section-header {
  margin-bottom: 3rem;
  max-width: 640px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: "// ";
  opacity: 0.6;
}

.section-title {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.25;
}

.section-desc {
  margin: 0;
  color: var(--color-gray);
  font-size: 0.98rem;
}

.section-header--light .section-title,
.section-header--light .section-desc {
  color: var(--color-white);
}

/* --- 実績 → css/achievements.css --- */

.achievements-banner {
  border-left: 4px solid var(--color-orange);
  padding: 1.25rem 1.5rem;
  background: rgba(255, 107, 0, 0.06);
}

.achievements-banner p {
  margin: 0;
  color: var(--color-gray);
  font-size: 0.95rem;
}

.achievements-banner strong {
  color: var(--color-white);
}

/* --- 事業内容 --- */
.section-services {
  background: var(--color-white);
  color: var(--color-black);
}

.section-services .section-title {
  color: var(--color-black);
}

.section-services .section-desc {
  color: var(--color-gray-dark);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem 1.5rem;
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  border-bottom: 3px solid transparent;
  transition: border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-bottom-color: var(--color-orange);
  transform: translateY(-4px);
}

.service-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-orange);
  opacity: 1;
  line-height: 1;
  display: block;
  margin-bottom: 0.75rem;
}

.service-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.service-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.7;
}

/* --- 施工実績カード → css/achievements.css --- */
/* --- 画像ホバー・ギャラリーグリッド → css/components.css --- */

/* --- ギャラリー（トップ専用） --- */
.section-gallery {
  background: var(--color-black-soft);
}

.section-gallery .gallery-item {
  contain: layout style paint;
  content-visibility: auto;
  contain-intrinsic-size: auto 220px;
}

/* ライトボックス */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-height: 90vh;
  max-width: 90%;
  border: 2px solid var(--color-orange);
  border-radius: var(--radius);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 2.5rem;
  color: var(--color-white);
  background: none;
  border: none;
  cursor: pointer;
}

/* --- 開業ロードマップ --- */
.section-roadmap {
  background: #f5f5f5;
  color: var(--color-black);
}

.section-roadmap .section-title {
  color: var(--color-black);
}

.section-roadmap .section-desc {
  color: var(--color-gray-dark);
}

.roadmap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .roadmap-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

.roadmap-step {
  padding: 1.75rem;
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-orange);
  transition: transform var(--transition);
}

.roadmap-step:hover {
  transform: translateX(6px);
}

.roadmap-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-orange);
  display: block;
  margin-bottom: 0.5rem;
}

.roadmap-step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.roadmap-step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-gray);
}

/* --- お問い合わせ --- */
.section-contact {
  background: var(--color-black-soft);
  border-top: 1px solid rgba(255, 107, 0, 0.3);
}

.section-contact .container {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .section-contact .container {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

.contact-form {
  background: var(--color-black-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--color-gray);
}

.required {
  font-size: 0.7rem;
  color: var(--color-orange);
  margin-left: 0.25rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--color-black);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  color: var(--color-white);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-dark);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px var(--color-orange-glow);
}

.form-message {
  min-height: 1.5rem;
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.form-message.is-success {
  color: #4ade80;
}

.form-message.is-error {
  color: #f87171;
}

.contact-info {
  padding: 1rem 0;
}

.contact-info h3 {
  margin: 0 0 1.25rem;
  font-size: 1.1rem;
  color: var(--color-white);
  border-bottom: 2px solid var(--color-orange);
  display: inline-block;
  padding-bottom: 0.35rem;
}

.contact-info ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-info li {
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--color-gray);
}

/* --- お問い合わせ：公式SNS --- */
.contact-social {
  grid-column: 1 / -1;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(10, 10, 10, 0.35);
}

.contact-social-head h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--color-white);
  border-bottom: 2px solid var(--color-orange);
  display: inline-block;
  padding-bottom: 0.35rem;
}

.contact-social-head p {
  margin: 0.5rem 0 1.25rem;
  color: var(--color-gray);
  font-size: 0.95rem;
}

.contact-social-head strong {
  color: var(--color-white);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1rem;
  min-height: 56px;
  background: var(--color-black-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.social-link:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 107, 0, 0.4);
  background: #202020;
}

.social-icon,
.social-icon-img {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 107, 0, 0.12);
  color: var(--color-orange);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* SNSロゴ画像（assets/images/gallery/logo/*.svg） */
.social-icon-img {
  display: block;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  padding: 6px;
}

.social-icon--line {
  background: rgba(6, 199, 85, 0.14);
  color: #a7f3d0;
}

.social-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.social-name {
  font-weight: 900;
  letter-spacing: 0.02em;
}

.social-desc {
  font-size: 0.85rem;
  color: var(--color-gray);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.social-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-black);
  background: var(--color-orange);
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.social-arrow {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 700;
}

/* Instagramだけ強調 */
.social-link--instagram {
  grid-column: 1 / -1;
  border-color: rgba(255, 107, 0, 0.45);
  box-shadow: 0 6px 26px rgba(255, 107, 0, 0.18);
  background: linear-gradient(
    135deg,
    rgba(255, 107, 0, 0.18) 0%,
    rgba(255, 107, 0, 0.06) 55%,
    rgba(10, 10, 10, 0.35) 100%
  );
}

.social-link--instagram:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 34px rgba(255, 107, 0, 0.22);
}

@media (max-width: 767px) {
  .contact-social {
    padding: 1.25rem 1.1rem;
  }

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

  .social-link {
    padding: 1rem 1rem;
    min-height: 64px;
  }

  .social-icon {
    width: 36px;
    height: 36px;
  }
}

/* --- お問い合わせ：見積シミュレーション（目立つCTA）--- */
.contact-simulator-cta {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem 1.5rem;
  margin-bottom: 2rem;
  background: linear-gradient(
    135deg,
    rgba(255, 107, 0, 0.18) 0%,
    rgba(255, 107, 0, 0.06) 50%,
    rgba(10, 10, 10, 0.4) 100%
  );
  border: 2px solid var(--color-orange);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 1px rgba(255, 107, 0, 0.25), var(--shadow-orange);
  position: relative;
  overflow: hidden;
}

.contact-simulator-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 60%
  );
  pointer-events: none;
}

.contact-simulator-badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.35rem 1rem;
  background: var(--color-orange);
  color: var(--color-black);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  border-radius: 999px;
}

.contact-simulator-heading {
  margin: 0 0 1.25rem;
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.btn-simulator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 420px;
  min-height: 3.75rem;
  padding: 1.1rem 2rem;
  background: var(--color-orange);
  color: var(--color-black);
  border: 3px solid var(--color-orange);
  border-radius: 4px;
  font-weight: 900;
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  letter-spacing: 0.06em;
  box-shadow: 0 6px 24px var(--color-orange-glow);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  z-index: 1;
}

.btn-simulator:hover {
  background: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-black);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px var(--color-orange-glow);
  animation: none;
}

.btn-simulator:active {
  transform: translateY(-1px) scale(1);
}

.btn-simulator-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: rgba(0, 0, 0, 0.12);
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition);
}

.btn-simulator:hover .btn-simulator-arrow {
  transform: translateX(4px);
  background: rgba(0, 0, 0, 0.08);
}

.contact-simulator-note {
  margin: 1rem 0 0;
  font-size: 0.88rem;
  color: var(--color-gray);
  position: relative;
  z-index: 1;
}

@keyframes simulator-pulse {
  0%,
  100% {
    box-shadow: 0 6px 28px var(--color-orange-glow), 0 0 0 0 rgba(255, 107, 0, 0.4);
  }
  50% {
    box-shadow: 0 8px 36px var(--color-orange-glow), 0 0 0 8px rgba(255, 107, 0, 0.12);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-simulator {
    animation: none;
  }
}

.contact-info a {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-info a:hover {
  color: var(--color-orange);
}

.contact-info strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--color-orange);
  margin-bottom: 0.2rem;
}

/* --- フッター --- */
.site-footer {
  background: var(--color-black);
  border-top: 1px solid rgba(255, 107, 0, 0.2);
  padding: 2rem 0;
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  font-weight: 900;
  margin: 0 0 0.5rem;
  color: var(--color-white);
}

.footer-copy {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-gray-dark);
}

/* ============================================================
   スマホ対応
   ============================================================ */
@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-item--wide {
    grid-column: span 2;
  }
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-black);
    border-bottom: 2px solid var(--color-orange);
    padding: 1rem 0;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
  }

  .site-nav a {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }

  .nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-scroll-hint {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .section {
    padding: 3.5rem 0;
  }

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

  .stat-card {
    padding: 1.5rem 1rem;
  }

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

  .gallery-item--wide {
    grid-column: span 1;
    aspect-ratio: 16 / 9;
  }

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

  .contact-simulator-cta {
    padding: 1.75rem 1.25rem;
  }

  .btn-simulator {
    max-width: none;
    min-height: 3.5rem;
    padding: 1rem 1.25rem;
  }

  .section-more--multi {
    flex-direction: column;
    align-items: center;
  }

  .section-more--multi .btn-more {
    width: 100%;
    max-width: 320px;
  }
}

/* --- セクション下部「詳しく見る」--- */
.section-more {
  margin-top: 3rem;
  padding-top: 2rem;
  text-align: center;
  border-top: 1px solid rgba(255, 107, 0, 0.2);
}

.section-more--light {
  border-top-color: rgba(0, 0, 0, 0.1);
}

.section-more--multi {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.btn-more {
  min-width: 240px;
  letter-spacing: 0.06em;
}

.btn-more::after {
  content: " →";
  transition: transform var(--transition);
}

.btn-more:hover::after {
  transform: translateX(4px);
}

.section-more--dark .btn-more {
  background: transparent;
  color: var(--color-orange);
  border: 2px solid var(--color-orange);
  box-shadow: none;
}

.section-more--dark .btn-more:hover {
  background: var(--color-orange);
  color: var(--color-black);
  border-color: var(--color-orange);
}

.section-more--light .btn-more {
  background: var(--color-black);
  color: var(--color-white);
  border: 2px solid var(--color-black);
  box-shadow: var(--shadow);
}

.section-more--light .btn-more:hover {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-black);
}

/* --- 詳細ページレイアウト → css/components.css --- */

.site-nav a.is-current {
  color: var(--color-orange);
}

.site-nav a.is-current::after {
  width: 100%;
}

/* --- 右下固定お問い合わせ（FAB）--- */
.contact-fab {
  position: fixed;
  bottom: max(1.25rem, env(safe-area-inset-bottom, 0px));
  right: max(1.25rem, env(safe-area-inset-right, 0px));
  z-index: 1600;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
  pointer-events: none;
}

.contact-fab > * {
  pointer-events: auto;
}

.contact-fab-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  background: var(--color-orange);
  color: var(--color-black);
  border: none;
  border-radius: 999px;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  box-shadow: var(--shadow-orange);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.contact-fab-toggle:hover {
  background: var(--color-white);
  transform: translateY(-2px);
}

.contact-fab.is-open .contact-fab-toggle {
  background: var(--color-black);
  color: var(--color-white);
  border: 2px solid var(--color-orange);
  box-shadow: var(--shadow);
}

.contact-fab-toggle-icon {
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
}

.contact-fab-toggle-icon::before,
.contact-fab-toggle-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 2px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform var(--transition), opacity var(--transition);
}

.contact-fab-toggle-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.contact-fab.is-open .contact-fab-toggle-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.contact-fab-panel {
  width: min(280px, 17.5rem);
  max-width: calc(100% - 2.5rem);
  background: var(--color-black-card);
  border: 1px solid rgba(255, 107, 0, 0.35);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.contact-fab-panel[hidden] {
  display: none;
}

.contact-fab-heading {
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-orange);
  font-size: 0.8rem;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-orange);
}

.contact-fab-menu {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-fab-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-black);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  font-weight: 500;
  font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.contact-fab-item:hover {
  border-color: var(--color-orange);
  background: #222;
  color: var(--color-white);
  transform: translateX(-4px);
}

.contact-fab-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 107, 0, 0.15);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-orange);
  flex-shrink: 0;
}

.contact-fab-icon--line {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-white);
  background: #06c755;
}

.contact-fab-item--line:hover .contact-fab-icon--line {
  background: #05b34c;
}

.contact-fab-label {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.contact-fab-sub {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-gray);
  margin-top: 0.15rem;
}

.contact-fab-item--estimate {
  border-left: 3px solid var(--color-orange);
}

/* フッターがFABに隠れないよう余白（スマホ） */
@media (max-width: 767px) {
  body {
    padding-bottom: 5rem;
  }

  .contact-fab-toggle-text {
    display: inline;
  }
}

@media (min-width: 768px) {
  .contact-fab-panel {
    width: 300px;
  }

  .contact-fab-toggle {
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
  }
}