/* ============================================
   1. Reset / Base
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #000000;
  --bg-card: #000000;
  --bg-secondary: #000000;
  --bg-secondary-soft: #000000;
  --text: #f2f2f2;
  --text-muted: #a3a3a3;
  --accent: #c45c52;
  --accent-hover: #d46a60;
  --accent-soft: rgba(196, 92, 82, 0.12);
  --border: #3d3d3d;
  --radius: 0.75rem;
  --container: min(1120px, 100% - 2rem);
  --header-h: 4rem;
  --transition: 0.3s ease;
  --seam-fade-h: clamp(4rem, 11vh, 7.5rem);
  --seam-base: #0a0a0a;
  --problems-about-seam-h: clamp(9rem, 26vh, 17rem);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 4.5rem;
}

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

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

ul, ol {
  list-style: none;
}

strong {
  color: var(--accent);
  font-weight: 500;
}

/* ============================================
   2. Layout
   ============================================ */
.container {
  width: var(--container);
  margin-inline: auto;
}

.main {
  min-height: 100vh;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--bg-secondary-soft);
}

/* セクション境界のグラデーション（写真・カード・レイアウトは不変更） */
.main > section:not(#hero) {
  position: relative;
  overflow: hidden;
}

.main > section:not(#hero) > .container {
  position: relative;
  z-index: 1;
}

.section-problems::after,
.section-about::after,
.section-reasons::after,
.section-alt::after,
#faq::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--seam-fade-h);
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    to top,
    var(--seam-base) 0%,
    rgba(10, 10, 10, 0.5) 45%,
    transparent 100%
  );
}

.section-reasons::before,
.section-alt::before,
#faq::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--seam-fade-h);
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    var(--seam-base) 0%,
    rgba(10, 10, 10, 0.5) 45%,
    transparent 100%
  );
}

.section-alt::before {
  background: linear-gradient(
    to bottom,
    var(--seam-base) 0%,
    rgba(10, 10, 10, 0.35) 40%,
    transparent 100%
  );
}

.section-alt::after {
  background: linear-gradient(
    to top,
    #000000 0%,
    rgba(0, 0, 0, 0.45) 45%,
    transparent 100%
  );
}

.section-about {
  box-shadow: inset 0 var(--seam-fade-h) calc(var(--seam-fade-h) * 0.7) calc(var(--seam-fade-h) * -0.55) rgba(10, 10, 10, 0.65);
}

.section-services {
  box-shadow: inset 0 var(--seam-fade-h) calc(var(--seam-fade-h) * 0.7) calc(var(--seam-fade-h) * -0.55) rgba(10, 10, 10, 0.65);
}

.section-inner-narrow {
  max-width: 56rem;
  margin-inline: auto;
}

.section-inner-wide {
  max-width: 64rem;
  margin-inline: auto;
}

.section-inner-gallery {
  max-width: 72rem;
  margin-inline: auto;
}

.section-inner-faq {
  max-width: 48rem;
  margin-inline: auto;
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.section-title-lg {
  font-size: clamp(1.625rem, 4.5vw, 2.25rem);
}

.section-lead {
  color: var(--text-muted);
  margin-top: 1rem;
  margin-bottom: 3rem;
}

.section-lead-narrow {
  max-width: 36rem;
  margin-inline: auto;
}

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

.br-sm { display: none; }
.br-md { display: none; }
.br-mobile { display: inline; }
.reasons-lead-line {
  display: inline;
}

/* Scroll fade-in (JS adds .is-visible) */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   3. Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.header.is-scrolled {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

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

.header-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-icon {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.brand-icon-lg {
  width: 2.5rem;
  height: 2.5rem;
}

.header-nav {
  display: none;
  gap: 2rem;
}

.header-nav a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.header-nav a:hover {
  color: var(--text);
}

.header-cta-desktop {
  display: none;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.header-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
}

.menu-icon-close {
  display: none;
}

.header-menu-btn.is-open .menu-icon-open {
  display: none;
}

.header-menu-btn.is-open .menu-icon-close {
  display: block;
}

.mobile-nav {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 1rem 0 1.5rem;
}

.mobile-nav-inner a:not(.btn) {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(61, 61, 61, 0.5);
  font-size: 1rem;
}

.mobile-nav-inner .btn {
  margin-top: 0.75rem;
}

.mobile-nav-inner .btn + .btn {
  margin-top: 0.5rem;
}

/* ============================================
   4. Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--header-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  background: url("images/fast-view-photo.webp") center / cover no-repeat;
}

.hero-bg-image::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 48%,
    rgba(0, 0, 0, 0.12) 68%,
    rgba(0, 0, 0, 0.38) 82%,
    rgba(0, 0, 0, 0.72) 92%,
    rgba(0, 0, 0, 0.95) 100%
  );
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 55% at 50% 42%, rgba(18, 18, 18, 0.5) 0%, rgba(18, 18, 18, 0.2) 50%, transparent 100%),
    linear-gradient(
      to bottom,
      rgba(26, 26, 26, 0.35) 0%,
      rgba(26, 26, 26, 0.14) 42%,
      transparent 62%
    );
}

/* 下端：参考LP風の長い黒フェード（境目なし） */
.hero-bg-edge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  height: clamp(11rem, 34vh, 24rem);
  pointer-events: none;
  background:
    linear-gradient(
      to bottom,
      rgba(12, 12, 14, 0) 0%,
      rgba(12, 12, 14, 0.04) 12%,
      rgba(12, 12, 14, 0.14) 28%,
      rgba(12, 12, 14, 0.32) 45%,
      rgba(12, 12, 14, 0.55) 60%,
      rgba(12, 12, 14, 0.76) 74%,
      rgba(12, 12, 14, 0.92) 86%,
      #0c0c0e 96%,
      #0c0c0e 100%
    );
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 5rem 0 6rem;
}

.hero-inner {
  max-width: 56rem;
  margin-inline: auto;
  text-align: center;
}

.hero-title {
  font-size: clamp(3rem, 12vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
}

.hero-subtitle {
  margin-top: 0.5rem;
  font-size: clamp(0.75rem, 2vw, 0.9rem);
  color: rgba(230, 230, 230, 0.85);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4);
}

.hero-heading {
  margin-top: 2rem;
  font-size: clamp(1.5rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
}

.hero-heading-indent {
  display: inline-block;
  padding-left: 0.75em;
}

.hero-text {
  margin-top: 1.75rem;
  color: rgba(235, 235, 235, 0.92);
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  max-width: 42rem;
  margin-inline: auto;
  line-height: 2;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.45);
}

.hero-text--sp {
  display: none;
}

.hero-cta {
  margin-top: 2.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  align-items: stretch;
  width: 100%;
  max-width: 22rem;
  margin-inline: auto;
}

.hero-hours {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
  font-size: 0.875rem;
  color: rgba(210, 210, 210, 0.9);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4);
}

/* Hero text fade-in on load */
.hero-fade {
  opacity: 0;
  transform: translateY(16px);
  animation: heroFadeIn 0.8s ease forwards;
}

.hero-fade-1 { animation-delay: 0.1s; }
.hero-fade-2 { animation-delay: 0.25s; }
.hero-fade-3 { animation-delay: 0.4s; }
.hero-fade-4 { animation-delay: 0.55s; }
.hero-fade-5 { animation-delay: 0.7s; }

/* Hero CTA buttons（サイト共通） */
.btn-hero-phone,
.btn-hero-mail {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background-color: #6a5a2e;
  background-image: linear-gradient(
    135deg,
    rgba(72, 62, 32, 0.45) 0%,
    rgba(50, 42, 20, 0.52) 100%
  );
  color: #111;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid rgba(255, 250, 220, 0.32);
  border-radius: 9999px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.28) inset,
    0 -1px 0 rgba(0, 0, 0, 0.1) inset,
    0 6px 20px rgba(0, 0, 0, 0.28);
  min-height: 3.25rem;
  padding: 1rem 2rem;
}

.btn-hero-phone::before,
.btn-hero-mail::before {
  content: "";
  position: absolute;
  inset: -14%;
  z-index: -1;
  background-image: url("images/cta-gold-bg.webp");
  background-size: cover;
  background-position: center;
  filter: blur(4px) brightness(0.76) saturate(0.68);
  transform: scale(1.06);
}

.btn-hero-phone > *,
.btn-hero-mail > * {
  position: relative;
  z-index: 1;
}

.btn-hero-phone:hover,
.btn-hero-mail:hover {
  background-color: #756438;
  background-image: linear-gradient(
    135deg,
    rgba(82, 72, 38, 0.4) 0%,
    rgba(58, 48, 24, 0.48) 100%
  );
  border-color: rgba(255, 252, 235, 0.45);
  color: #111;
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.34) inset,
    0 8px 24px rgba(0, 0, 0, 0.32),
    0 4px 14px rgba(80, 70, 30, 0.18);
}

.btn-hero-phone:hover::before,
.btn-hero-mail:hover::before {
  filter: blur(4px) brightness(0.84) saturate(0.74);
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   5. Sections
   ============================================ */
/* About Section — 高級カタログ風 */
.section-about {
  position: relative;
  overflow: hidden;
  padding: 5.5rem 0;
  background-color: #0c0c0e;
  background-image: url("images/haikei9.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section-about::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(
      to bottom,
      #0c0c0e 0%,
      rgba(12, 12, 14, 0.55) 8%,
      rgba(12, 12, 14, 0.2) 18%,
      transparent 32%
    ),
    linear-gradient(
      to top,
      #0c0c0e 0%,
      rgba(12, 12, 14, 0.45) 10%,
      transparent 28%
    );
}

.section-about .container {
  position: relative;
  z-index: 1;
}

.about-inner {
  display: grid;
  gap: 2.75rem;
  align-items: center;
  max-width: 68rem;
  margin-inline: auto;
}

.about-media {
  width: 100%;
}

.about-slider {
  width: 100%;
}

.about-slider-frame {
  position: relative;
  border-radius: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: #121110;
  overflow: hidden;
  box-shadow:
    0 28px 56px rgba(0, 0, 0, 0.42),
    0 10px 20px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.about-slider-viewport {
  position: relative;
  aspect-ratio: 5 / 4;
  background: #141312;
}

.about-slider-track {
  position: absolute;
  inset: 0;
}

.about-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.65s ease,
    visibility 0.65s ease;
}

.about-slide.is-active {
  opacity: 1;
  visibility: visible;
}

.about-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-slider-shade {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.22) 0%,
    rgba(0, 0, 0, 0.04) 42%,
    rgba(0, 0, 0, 0.38) 100%
  );
}

.about-slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.125rem;
}

.about-slider-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(220, 220, 220, 0.85);
  cursor: pointer;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    color 0.3s ease;
}

.about-slider-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(196, 92, 82, 0.35);
  color: rgba(255, 255, 255, 0.95);
}

.about-slider-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.about-slider-dot {
  width: 1.5rem;
  height: 2px;
  padding: 0;
  border: none;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
  transition: background 0.3s ease, width 0.3s ease;
}

.about-slider-dot.is-active {
  width: 2.25rem;
  background: rgba(196, 92, 82, 0.75);
}

.about-slider-dot:hover:not(.is-active) {
  background: rgba(255, 255, 255, 0.35);
}

.about-content {
  padding-inline: 0.25rem;
}

.about-eyebrow {
  margin-bottom: 1.25rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(168, 158, 152, 0.85);
}

.about-title {
  margin-bottom: 1.75rem;
  font-size: clamp(1.75rem, 4.8vw, 2.375rem);
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.97);
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 28rem;
  font-size: 0.9375rem;
  line-height: 2;
  color: rgba(158, 158, 158, 0.95);
}

@media (prefers-reduced-motion: reduce) {
  .about-slide {
    transition: none;
  }

  .reasons-rows-media .reasons-bg-image {
    opacity: 0.24;
    filter: blur(0.5px) brightness(0.45) saturate(0.6);
  }

  .reasons-row {
    transition: none;
  }

  .section-services::before {
    filter: blur(3px) saturate(0.85) brightness(0.55);
  }

  .section-about::before {
    filter: blur(10px) brightness(0.28) saturate(0.65);
    opacity: 0.5;
  }
}

/* ============================================
   Problems Section
   ============================================ */
.section-problems {
  position: relative;
  margin-top: -2px;
  padding: 6rem 0;
  background-color: #0c0c0e;
  background-image: linear-gradient(
    180deg,
    #0c0c0e 0%,
    #09090b 38%,
    #080808 68%,
    #0a0a0a 100%
  );
}

.section-problems::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--seam-fade-h);
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    #0c0c0e 0%,
    rgba(12, 12, 14, 0.88) 35%,
    rgba(12, 12, 14, 0.35) 65%,
    transparent 100%
  );
}

.section-problems::after {
  height: var(--problems-about-seam-h);
  background: linear-gradient(
    to top,
    #0c0c0e 0%,
    rgba(12, 12, 14, 0.92) 14%,
    rgba(12, 12, 14, 0.76) 28%,
    rgba(12, 12, 14, 0.55) 42%,
    rgba(12, 12, 14, 0.32) 58%,
    rgba(12, 12, 14, 0.12) 76%,
    transparent 100%
  );
}

.section-problems .container {
  position: relative;
  z-index: 1;
}

.problems-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 3.5rem;
}

.problems-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.97);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.65), 0 1px 4px rgba(0, 0, 0, 0.5);
}

.problems-title-row {
  display: block;
  width: fit-content;
  max-width: 100%;
  text-align: center;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.problems-title-row:last-child {
  font-size: clamp(1.625rem, 4.2vw, 2.125rem);
  letter-spacing: 0.06em;
}

.problems-title-brand {
  color: rgba(190, 125, 120, 0.95);
  letter-spacing: 0.12em;
}

.problems-title-line {
  display: block;
  width: 3.5rem;
  height: 2px;
  margin: 1.5rem auto 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(180, 175, 170, 0.35) 15%,
    rgba(154, 69, 69, 0.65) 50%,
    rgba(180, 175, 170, 0.35) 85%,
    transparent
  );
  border-radius: 1px;
}

.problems-grid {
  display: grid;
  gap: 1.125rem;
  margin-bottom: 3.25rem;
}

.section-problems .card-problem {
  display: flex;
  align-items: flex-start;
  gap: 1.125rem;
  padding: 1.375rem 1.5rem;
  background: linear-gradient(
    155deg,
    rgba(18, 18, 18, 0.62) 0%,
    rgba(8, 8, 8, 0.78) 100%
  );
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(150, 150, 150, 0.22);
  border-radius: var(--radius);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    background 0.35s ease,
    box-shadow 0.35s ease;
}

.section-problems .card-problem:hover {
  transform: translateY(-3px);
  border-color: rgba(154, 69, 69, 0.45);
  background: linear-gradient(
    155deg,
    rgba(24, 22, 22, 0.72) 0%,
    rgba(12, 10, 10, 0.85) 100%
  );
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(154, 69, 69, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.section-problems .card-problem .card-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(72, 32, 30, 0.45);
  color: rgba(185, 115, 110, 0.95);
  border: 1px solid rgba(154, 69, 69, 0.15);
  transition: background 0.35s ease, color 0.35s ease;
}

.section-problems .card-problem:hover .card-icon {
  background: rgba(90, 38, 36, 0.55);
  color: rgba(210, 140, 135, 0.98);
}

.section-problems .card-problem p {
  padding-top: 0.25rem;
  color: rgba(236, 236, 236, 0.92);
  font-size: 0.9375rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

.problems-message {
  padding: 1.75rem 1.5rem;
  text-align: center;
  line-height: 2;
  border-radius: var(--radius);
  background: linear-gradient(
    160deg,
    rgba(14, 14, 14, 0.72) 0%,
    rgba(6, 6, 6, 0.85) 100%
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(154, 69, 69, 0.28);
  box-shadow:
    0 6px 28px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.problems-message p {
  color: rgba(232, 232, 232, 0.93);
  font-size: clamp(0.9375rem, 2.5vw, 1rem);
  line-height: 2;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

.section-problems .problems-message strong {
  color: rgba(190, 125, 120, 0.95);
  font-weight: 500;
}

/* Services Section — ぼかし背景 */
.section-services {
  position: relative;
  overflow: hidden;
  background-color: #0a0a0a;
}

.section-services::before {
  content: "";
  position: absolute;
  inset: -6%;
  z-index: 0;
  pointer-events: none;
  background-image: url("images/haikei2.webp");
  background-size: cover;
  background-position: center;
  filter: blur(6px) saturate(0.85) brightness(0.55);
  transform: scale(1.02);
  opacity: 0.62;
}

.section-services::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(
      to bottom,
      #0a0a0a 0%,
      rgba(10, 10, 10, 0.65) 8%,
      transparent 20%
    ),
    linear-gradient(
      to top,
      #0a0a0a 0%,
      rgba(10, 10, 10, 0.65) 8%,
      transparent 20%
    ),
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.78) 0%,
      rgba(0, 0, 0, 0.62) 50%,
      rgba(0, 0, 0, 0.8) 100%
    ),
    radial-gradient(
      ellipse 90% 70% at 50% 45%,
      rgba(0, 0, 0, 0.25) 0%,
      rgba(0, 0, 0, 0.7) 100%
    );
}

.section-services .container {
  position: relative;
  z-index: 1;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.125rem;
}

.services-note {
  margin-top: 2.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* Reasons Section — 横長リスト（高級カタログ風） */
.section-reasons {
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
  background-color: #0a0a0a;
}

.reasons-list {
  display: flex;
  flex-direction: column;
}

/* 02・03行の背後に写真（参考LP風） */
.reasons-rows-media {
  position: relative;
  overflow: hidden;
}

.reasons-rows-media > .reasons-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.reasons-rows-media > .reasons-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(
    ellipse 90% 70% at 50% 50%,
    transparent 0%,
    rgba(10, 10, 10, 0.3) 55%,
    rgba(10, 10, 10, 0.75) 100%
  );
}

.reasons-rows-media .reasons-bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.34;
  filter: blur(0.5px) brightness(0.48) saturate(0.65);
}

.reasons-rows-media .reasons-bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      to bottom,
      #0a0a0a 0%,
      rgba(10, 10, 10, 0.95) 6%,
      rgba(10, 10, 10, 0.55) 16%,
      rgba(10, 10, 10, 0.12) 32%,
      transparent 48%
    ),
    linear-gradient(
      to top,
      #0a0a0a 0%,
      rgba(10, 10, 10, 0.95) 6%,
      rgba(10, 10, 10, 0.55) 16%,
      rgba(10, 10, 10, 0.12) 32%,
      transparent 48%
    ),
    linear-gradient(
      to right,
      #0a0a0a 0%,
      rgba(10, 10, 10, 0.8) 6%,
      rgba(10, 10, 10, 0.15) 18%,
      rgba(10, 10, 10, 0.15) 82%,
      rgba(10, 10, 10, 0.8) 94%,
      #0a0a0a 100%
    ),
    rgba(0, 0, 0, 0.32);
}

.reasons-rows-media .reasons-row {
  position: relative;
  z-index: 1;
  background-color: transparent;
}

.reasons-rows-media .reasons-row:hover {
  background-color: rgba(255, 255, 255, 0.03);
}

.reasons-rows-media .reasons-row:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-reasons .container {
  position: relative;
  z-index: 1;
}

.reasons-inner {
  max-width: 68rem;
  margin-inline: auto;
}

.reasons-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.reasons-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.98);
}

.reasons-lead {
  max-width: none;
  margin: 1.25rem auto 0;
  font-size: clamp(0.8125rem, 1.15vw, 0.9375rem);
  line-height: 1.8;
  white-space: nowrap;
  color: rgba(180, 180, 180, 0.92);
}

.reasons-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 3.5rem minmax(9rem, 1.15fr) minmax(0, 1fr);
  align-items: center;
  gap: 1.25rem 2.25rem;
  min-height: 5.75rem;
  padding: 2.5rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background-color 0.4s ease;
}

.reasons-row:last-child {
  border-bottom: none;
}

.reasons-row:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.reasons-row-num {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(154, 69, 69, 0.88);
  line-height: 1;
}

.reasons-row-title {
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.97);
  line-height: 1.45;
}

.reasons-row-desc {
  margin: 0;
  font-size: clamp(0.8125rem, 1.8vw, 0.875rem);
  line-height: 1.85;
  color: rgba(175, 175, 175, 0.92);
}

@media (max-width: 767px) {
  .section-reasons {
    padding: 4.5rem 0;
  }

  .reasons-rows-media .reasons-bg-image {
    opacity: 0.28;
  }

  .reasons-header {
    margin-bottom: 2.25rem;
  }

  .reasons-row {
    grid-template-columns: 2.5rem 1fr;
    grid-template-areas:
      "num title"
      "desc desc";
    gap: 0.625rem 1rem;
    min-height: 0;
    padding: 1.875rem 0;
  }

  .reasons-row-num {
    grid-area: num;
    align-self: start;
    padding-top: 0.2rem;
  }

  .reasons-row-title {
    grid-area: title;
  }

  .reasons-row-desc {
    grid-area: desc;
  }
}

/* Process flow — 参考LP風 2カラム */
.section-process {
  position: relative;
  overflow: hidden;
  background: #000;
}

.section-process .container {
  position: relative;
  z-index: 1;
}

.process-inner {
  max-width: 50rem;
  margin-inline: auto;
}

.process-header {
  text-align: center;
  margin-bottom: clamp(2.25rem, 5vw, 3rem);
}

.process-title {
  margin: 0;
  font-size: clamp(1.25rem, 3.2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.9);
}

.process-lead {
  margin: 0.625rem 0 0;
  font-size: clamp(0.8125rem, 2vw, 0.9375rem);
  font-weight: 400;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.42);
}

.process-flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.process-flow-item {
  margin: 0;
}

.process-flow-item:not(:last-child) {
  margin-bottom: 0.125rem;
}

.process-flow-row {
  display: grid;
  grid-template-columns: minmax(0, 11.25rem) minmax(0, 1fr);
  gap: 0.5rem;
  align-items: stretch;
}

.process-flow-step-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.process-flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 5.25rem;
  padding: 0.875rem 0.625rem;
  border-radius: 0.2rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: linear-gradient(
    118deg,
    #c4685e 0%,
    #a84848 28%,
    #8f3a42 52%,
    #6b2a35 78%,
    #4a1f28 100%
  );
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

.process-flow-label {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.72);
}

.process-flow-step-title {
  margin: 0.4375rem 0 0;
  font-size: clamp(0.8125rem, 2.1vw, 0.9375rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: #fff;
}

.process-flow-desc {
  display: flex;
  align-items: center;
  min-height: 5.25rem;
  padding: 0.875rem 1.125rem;
  border-radius: 0.2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.025);
}

.process-flow-desc p {
  margin: 0;
  font-size: clamp(0.8125rem, 2vw, 0.875rem);
  font-weight: 400;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.68);
}

.process-flow-arrow {
  display: block;
  width: 0.875rem;
  height: 0.625rem;
  margin-top: 0.375rem;
  margin-bottom: 0.875rem;
  background: linear-gradient(
    118deg,
    #c4685e 0%,
    #a84848 35%,
    #6b2a35 100%
  );
  clip-path: polygon(50% 100%, 0 0, 100% 0);
}

.process-flow-item:last-child .process-flow-arrow {
  display: none;
}

@media (max-width: 639px) {
  .process-flow-row {
    grid-template-columns: 1fr;
    gap: 0.375rem;
  }

  .process-flow-step-col {
    align-items: center;
  }

  .process-flow-step {
    max-width: 16.5rem;
    margin-inline: auto;
  }

  .process-flow-desc {
    min-height: auto;
    padding: 1rem 1.125rem;
  }

  .process-flow-arrow {
    margin-bottom: 0.75rem;
  }

  .process-flow-item:not(:last-child) {
    margin-bottom: 0.25rem;
  }
}

@media (min-width: 640px) {
  .process-flow-row {
    grid-template-columns: minmax(0, 12.5rem) minmax(0, 1fr);
    gap: 0.5625rem;
  }

  .process-flow-step,
  .process-flow-desc {
    min-height: 5.5rem;
  }

  .process-flow-desc {
    padding: 1rem 1.375rem;
  }
}

/* Gallery */
.section-inner-gallery .gallery-grid {
  margin-top: 2.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.gallery-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition), filter var(--transition);
}

.gallery-card:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 92, 82, 0.32);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  background: rgba(255, 255, 255, 0.045);
  filter: brightness(1.06);
}

.gallery-card:focus-visible {
  outline: 2px solid rgba(196, 92, 82, 0.65);
  outline-offset: 3px;
}

.gallery-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  aspect-ratio: 4 / 3;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 0.375rem 0.375rem 0 0;
}

.gallery-img {
  position: relative;
  min-width: 0;
  min-height: 0;
  background: var(--bg-secondary);
  overflow: hidden;
}

.gallery-img + .gallery-img {
  border-left: 1px solid rgba(255, 255, 255, 0.06);
}

.gallery-img-after {
  background: #0a0a0a;
}

.gallery-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-label {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 1;
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: rgba(0, 0, 0, 0.85);
  border-radius: 0.25rem;
  color: var(--text-muted);
}

.gallery-label-after {
  left: auto;
  right: 0.5rem;
  background: rgba(196, 92, 82, 0.88);
  color: #fff;
}

.gallery-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1rem 1.125rem 1.25rem;
  border-top: 1px solid rgba(196, 92, 82, 0.14);
}

.gallery-category {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.gallery-card-title {
  margin-top: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.4;
}

.gallery-card-desc {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* Gallery modal */
body.gallery-modal-open {
  overflow: hidden;
}

.gallery-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 1rem;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.gallery-modal:not([hidden]) {
  display: flex;
}

.gallery-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.gallery-modal-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(0, 0, 0, 0.85);
  cursor: pointer;
}

.gallery-modal-dialog {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: min(82vw, 720px);
  max-width: 100%;
  max-height: min(90dvh, calc(100vh - 2rem));
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  background: #0a0a0a;
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(196, 92, 82, 0.08) inset;
}

.gallery-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.gallery-modal-close:hover {
  color: var(--text);
  border-color: rgba(196, 92, 82, 0.45);
  background: rgba(196, 92, 82, 0.15);
}

.gallery-modal-close:focus-visible {
  outline: 2px solid rgba(196, 92, 82, 0.65);
  outline-offset: 2px;
}

.gallery-modal-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  border-radius: 0.75rem 0.75rem 0 0;
}

.gallery-modal-cell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 10rem;
  background: var(--bg-secondary);
}

.gallery-modal-cell + .gallery-modal-cell {
  border-left: 1px solid rgba(255, 255, 255, 0.06);
}

.gallery-modal-cell-after {
  background: #050505;
}

.gallery-modal-cell img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(60vh, 560px);
  object-fit: contain;
}

.gallery-modal-body {
  padding: 1rem 1.25rem 1.25rem;
  border-top: 1px solid rgba(196, 92, 82, 0.16);
  background: #0a0a0a;
}

.gallery-modal-title {
  margin-top: 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.4;
}

.gallery-modal-desc {
  margin-top: 0.625rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-muted);
}

@media (max-width: 639px) {
  .gallery-modal {
    padding: 0.75rem;
  }

  .gallery-modal-dialog {
    width: min(92vw, 360px);
    max-height: min(88dvh, calc(100vh - 1.5rem));
  }

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

  .gallery-modal-cell {
    min-height: 7rem;
  }

  .gallery-modal-cell img {
    max-height: min(45vh, 320px);
  }

  .gallery-modal-cell + .gallery-modal-cell {
    border-left: 1px solid rgba(255, 255, 255, 0.06);
    border-top: none;
  }

  .gallery-modal-body {
    padding: 0.875rem 1rem 1.125rem;
  }

  .gallery-modal-title {
    font-size: 0.9375rem;
  }

  .gallery-modal-desc {
    font-size: 0.8125rem;
    line-height: 1.65;
  }
}

.contact-lead {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
  margin-top: 1rem;
  margin-bottom: 3rem;
}

.contact-lead-primary,
.contact-lead-secondary {
  margin: 0;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.52);
}

.contact-lead-primary {
  font-size: clamp(0.9375rem, 2.4vw, 1.0625rem);
  font-weight: 500;
}

.contact-lead-secondary {
  font-size: clamp(0.875rem, 2.2vw, 1rem);
  font-weight: 400;
}

.contact-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  margin-top: 2.5rem;
}

.contact-instagram {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.contact-instagram:hover {
  color: var(--text);
}

.contact-info-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
  text-align: left;
}

/* ============================================
   6. Cards
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid rgba(61, 61, 61, 0.5);
  border-radius: var(--radius);
}

.card-service {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  text-align: center;
  background: linear-gradient(180deg, #161514 0%, #0e0e0e 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition:
    border-color 0.35s ease,
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

.card-service:hover {
  border-color: rgba(154, 69, 69, 0.55);
  transform: translateY(-4px);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(154, 69, 69, 0.08);
}

.card-service-media {
  position: relative;
  flex-shrink: 0;
  height: 8.75rem;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  background: #121110;
}

.card-service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.card-service:hover .card-service-media img {
  transform: scale(1.05);
}

.card-service-media-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.2) 0%,
    rgba(0, 0, 0, 0.48) 100%
  );
}

.card-service-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 0.875rem 1.125rem;
}

.card-service h3 {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.95);
}

.card-service p {
  margin-top: 0.375rem;
  font-size: 0.75rem;
  line-height: 1.65;
  color: rgba(158, 158, 158, 0.92);
}

.card-info {
  padding: 1.5rem;
}

.card-info-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.card-info-header svg {
  color: var(--accent);
  flex-shrink: 0;
}

.card-info-header span {
  font-weight: 500;
}

.card-info a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.card-info a:hover {
  color: var(--text);
}

.card-info p {
  color: var(--text-muted);
}

.card-info small {
  font-size: 0.875rem;
}

.card-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

/* ============================================
   7. CTA
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 500;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-align: center;
}

.btn-icon {
  flex-shrink: 0;
}

.btn-lg {
  font-size: 1rem;
  padding: 1rem 2rem;
  width: 100%;
  max-width: 20rem;
}

.btn-sm {
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
}

.btn-hero-phone.btn-sm,
.btn-hero-mail.btn-sm {
  min-height: 2.25rem;
  padding: 0.4375rem 0.875rem;
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  gap: 0.375rem;
}

.btn-hero-phone.btn-sm .btn-icon,
.btn-hero-mail.btn-sm .btn-icon {
  width: 14px;
  height: 14px;
}

.btn-block {
  width: 100%;
}

/* Mobile fixed CTA */
.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.375rem;
  padding: 0.5rem 0.5rem calc(0.5rem + env(safe-area-inset-bottom, 0));
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-cta-btn {
  width: 100%;
  max-width: none;
  min-height: 2.75rem;
  padding: 0.75rem 0.5rem;
  font-size: 0.75rem;
  border-radius: 9999px;
}

/* ============================================
   8. FAQ
   ============================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(61, 61, 61, 0.5);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item[open] {
  border-color: rgba(196, 92, 82, 0.5);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  line-height: 1.5;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform var(--transition);
}

.faq-item[open] .faq-question::after {
  content: "−";
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
  color: var(--text-muted);
  line-height: 1.75;
}

/* ============================================
   9. Footer
   ============================================ */
.footer {
  padding: 3rem 0 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.footer-brand .brand-lockup {
  justify-content: center;
}

.footer-brand p {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}

.footer-social a:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.footer-copy {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-copy p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-legal {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
}

.footer-legal a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-legal a:hover {
  color: var(--text);
}

.footer-legal a[aria-current="page"] {
  color: var(--text);
}

/* ============================================
   Privacy Policy Page
   ============================================ */
.page-privacy {
  padding-bottom: 0;
}

.privacy-main {
  padding-top: calc(var(--header-h) + 2.5rem);
}

.privacy-page {
  padding: 2rem 0 4rem;
}

.privacy-page-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.02em;
  margin-bottom: 2.5rem;
}

.privacy-content {
  max-width: 48rem;
  margin-inline: auto;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.9;
}

.privacy-content > p {
  margin-bottom: 2rem;
}

.privacy-content section {
  margin-bottom: 2rem;
}

.privacy-content h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.privacy-content h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text);
  margin: 1.25rem 0 0.5rem;
}

.privacy-content p {
  margin-bottom: 0.75rem;
}

.privacy-list {
  list-style: none;
  margin: 0.5rem 0 1rem;
  padding-left: 0;
}

.privacy-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.35rem;
}

.privacy-list li::before {
  content: "①";
  position: absolute;
  left: 0;
  font-size: 0.875rem;
  color: var(--text);
}

.privacy-list li:nth-child(2)::before { content: "②"; }
.privacy-list li:nth-child(3)::before { content: "③"; }

.page-privacy .footer-legal {
  margin-top: 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.page-privacy .footer {
  padding-top: 2rem;
}

.page-privacy .footer-copy {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
}

/* ============================================
   10. Responsive
   ============================================ */
@media (min-width: 640px) {
  .br-sm { display: block; }
  .br-mobile { display: none; }

  .hero-cta {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    max-width: 36rem;
    gap: 1rem;
  }

  .hero-cta .btn-lg {
    width: auto;
    flex: 1;
    max-width: 17rem;
  }

  .btn-lg {
    width: auto;
  }

  .contact-cta {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.875rem;
  }

  .contact-cta .btn-lg {
    flex: 1;
    max-width: 17rem;
  }
}

@media (max-width: 768px) {
  .hero {
    align-items: flex-start;
    min-height: auto;
  }

  .hero-content {
    padding-top: 2.5rem;
    padding-bottom: 5rem;
  }

  .hero-hours {
    margin-top: 3.5rem;
  }

  .section-problems {
    padding-top: 5rem;
    padding-bottom: 4.5rem;
  }

  .section-problems .problems-header {
    margin-bottom: 2rem;
  }

  .section-problems .problems-title-row {
    font-size: 1.375rem;
    line-height: 1.5;
  }

  .section-problems .problems-title-row:last-child {
    font-size: 1.4375rem;
  }

  .section-problems .problems-title-brand {
    color: rgba(175, 130, 125, 0.88);
  }

  .section-problems .problems-title-line {
    width: 2.75rem;
    margin-top: 1.125rem;
    background: linear-gradient(
      90deg,
      transparent,
      rgba(180, 175, 170, 0.3) 20%,
      rgba(154, 69, 69, 0.45) 50%,
      rgba(180, 175, 170, 0.3) 80%,
      transparent
    );
  }

  .section-problems > .container {
    width: min(1120px, 100% - 1rem);
  }

  .section-problems .problems-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    background: linear-gradient(
      165deg,
      rgba(20, 20, 22, 0.96) 0%,
      rgba(12, 12, 14, 0.98) 48%,
      rgba(8, 8, 10, 1) 100%
    );
    box-shadow:
      0 10px 36px rgba(0, 0, 0, 0.38),
      inset 0 1px 0 rgba(255, 255, 255, 0.04);
    overflow: hidden;
  }

  .section-problems .card-problem {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    margin: 0;
    padding: 1rem 1.375rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: background 0.25s ease;
  }

  .section-problems .card-problem:first-child {
    padding-top: 1.125rem;
  }

  .section-problems .card-problem:last-child {
    padding-bottom: 1.125rem;
    border-bottom: none;
  }

  .section-problems .card-problem:hover {
    transform: none;
    background: rgba(255, 255, 255, 0.025);
    border-bottom-color: rgba(255, 255, 255, 0.07);
    box-shadow: none;
  }

  .section-problems .card-problem:last-child:hover {
    border-bottom: none;
  }

  .section-problems .card-problem .card-icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-top: 0.0625rem;
    border-radius: 50%;
    background: rgba(154, 69, 69, 0.1);
    border: 1px solid rgba(154, 69, 69, 0.18);
    color: rgba(175, 130, 125, 0.88);
  }

  .section-problems .card-problem .card-icon svg {
    width: 14px;
    height: 14px;
  }

  .section-problems .card-problem:hover .card-icon {
    background: rgba(154, 69, 69, 0.14);
    color: rgba(190, 140, 135, 0.92);
  }

  .section-problems .card-problem p {
    flex: 1;
    padding-top: 0;
    font-size: 0.9375rem;
    line-height: 1.75;
    letter-spacing: 0.02em;
    color: rgba(236, 236, 236, 0.9);
  }

  .section-problems .problems-message {
    padding: 1.375rem 1.25rem;
    line-height: 1.75;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(
      165deg,
      rgba(18, 18, 20, 0.92) 0%,
      rgba(10, 10, 12, 0.96) 100%
    );
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.32);
  }

  .section-problems .problems-message p {
    font-size: 0.9375rem;
    line-height: 1.75;
  }

  .section-problems .problems-message strong {
    color: rgba(175, 130, 125, 0.9);
  }

  .section-reasons .reasons-header {
    margin-bottom: 2.25rem;
  }

  .section-reasons .reasons-lead-line {
    display: block;
    white-space: nowrap;
  }

  .section-reasons .reasons-lead {
    margin-top: 1.125rem;
    padding-inline: 0;
    max-width: 100%;
    font-size: clamp(0.625rem, 3.35vw, 0.8125rem);
    line-height: 1.85;
    letter-spacing: 0.02em;
    white-space: normal;
    text-align: center;
  }

  .reasons-rows-media .reasons-bg-image {
    opacity: 0.5;
    filter: brightness(0.62) saturate(0.78);
  }

  .reasons-rows-media > .reasons-bg::after {
    background: radial-gradient(
      ellipse 90% 70% at 50% 50%,
      transparent 0%,
      rgba(10, 10, 10, 0.18) 55%,
      rgba(10, 10, 10, 0.5) 100%
    );
  }

  .reasons-rows-media .reasons-bg-overlay {
    background:
      linear-gradient(
        to bottom,
        #0a0a0a 0%,
        rgba(10, 10, 10, 0.82) 6%,
        rgba(10, 10, 10, 0.38) 16%,
        rgba(10, 10, 10, 0.08) 32%,
        transparent 48%
      ),
      linear-gradient(
        to top,
        #0a0a0a 0%,
        rgba(10, 10, 10, 0.82) 6%,
        rgba(10, 10, 10, 0.38) 16%,
        rgba(10, 10, 10, 0.08) 32%,
        transparent 48%
      ),
      linear-gradient(
        to right,
        #0a0a0a 0%,
        rgba(10, 10, 10, 0.65) 6%,
        rgba(10, 10, 10, 0.1) 18%,
        rgba(10, 10, 10, 0.1) 82%,
        rgba(10, 10, 10, 0.65) 94%,
        #0a0a0a 100%
      ),
      rgba(0, 0, 0, 0.16);
  }

  .hero-bg-image {
    inset: -9%;
    background-position: center center;
    background-size: cover;
  }

  .hero-text--pc {
    display: none;
  }

  .hero-text--sp {
    display: block;
    margin-top: 1.5rem;
    max-width: 19rem;
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.85;
    letter-spacing: 0.04em;
    color: rgba(235, 235, 235, 0.92);
    text-align: center;
  }

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

  .hero-text-line + .hero-text-line {
    margin-top: 0.875rem;
  }

  .hero-text-line-lead,
  .hero-text-line-main,
  .hero-text-line-closing {
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    letter-spacing: inherit;
    color: inherit;
    margin: 0;
  }

  .hero-cta {
    margin-top: 2rem;
    gap: 0.5rem;
    max-width: 17rem;
  }

  .hero-cta .btn-lg {
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
    max-width: 16rem;
  }

  .hero-cta .btn-hero-phone,
  .hero-cta .btn-hero-mail {
    min-height: 2.625rem;
    padding: 0.625rem 1.25rem;
    gap: 0.375rem;
  }

  .hero-cta .btn-hero-phone .btn-icon,
  .hero-cta .btn-hero-mail .btn-icon {
    width: 16px;
    height: 16px;
  }

  @media (min-width: 640px) {
    .hero-cta {
      gap: 0.625rem;
      max-width: 28rem;
    }

    .hero-cta .btn-lg {
      max-width: 13.5rem;
    }
  }

  .section-process .process-header {
    margin-bottom: 2rem;
  }

  .section-process .process-flow-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .section-process .process-flow-item:not(:last-child) {
    margin-bottom: 0;
  }

  .section-process .process-flow-item:not(:last-child)::after {
    content: "";
    display: block;
    flex-shrink: 0;
    width: 0.625rem;
    height: 0.4375rem;
    margin: 0.625rem auto;
    background: linear-gradient(
      118deg,
      rgba(196, 104, 94, 0.95) 0%,
      rgba(168, 72, 72, 0.95) 40%,
      rgba(107, 42, 53, 0.95) 100%
    );
    clip-path: polygon(50% 100%, 0 0, 100% 0);
  }

  .section-process .process-flow-row {
    display: flex;
    flex-direction: column;
    gap: 0;
    grid-template-columns: unset;
    width: 100%;
    padding: 1rem 1.125rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    background: linear-gradient(
      165deg,
      rgba(20, 20, 22, 0.96) 0%,
      rgba(12, 12, 14, 0.98) 50%,
      rgba(8, 8, 10, 1) 100%
    );
    box-shadow:
      0 8px 28px rgba(0, 0, 0, 0.32),
      inset 0 1px 0 rgba(255, 255, 255, 0.04);
  }

  .section-process .process-flow-step-col {
    width: 100%;
    align-items: stretch;
  }

  .section-process .process-flow-step {
    display: block;
    width: 100%;
    max-width: none;
    min-height: auto;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .section-process .process-flow-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    line-height: 1.2;
    color: rgba(175, 130, 125, 0.92);
  }

  .section-process .process-flow-step-title {
    margin: 0.5rem 0 0;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.45;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.97);
  }

  .section-process .process-flow-arrow {
    display: none;
  }

  .section-process .process-flow-desc {
    display: block;
    width: 100%;
    min-height: auto;
    margin: 0.75rem 0 0;
    padding: 0.75rem 0 0;
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 0;
    background: transparent;
  }

  .section-process .process-flow-desc p {
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.65;
    color: rgba(175, 175, 175, 0.92);
  }

  #contact .section-title-lg {
    font-size: clamp(1.0625rem, 5.35vw, 1.5rem);
    letter-spacing: -0.03em;
    white-space: nowrap;
  }
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }

  .br-md { display: block; }

  .section {
    padding: 7rem 0;
  }

  .section-problems {
    padding: 7.5rem 0;
  }

  .problems-header {
    margin-bottom: 4rem;
  }

  .problems-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.375rem;
    margin-bottom: 3.75rem;
  }

  .problems-message {
    padding: 2rem 2.5rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .card-service-media {
    height: 10.5rem;
  }

  .card-service-body {
    padding: 1.125rem 1rem 1.25rem;
  }

  .card-service h3 {
    font-size: 0.9375rem;
  }

  .card-service p {
    font-size: 0.8125rem;
  }

  .section-about {
    padding: 7.5rem 0;
    box-shadow: none;
    background-image:
      linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.94) 0%,
        rgba(0, 0, 0, 0.82) 35%,
        rgba(0, 0, 0, 0.78) 55%,
        rgba(0, 0, 0, 0.82) 75%,
        rgba(0, 0, 0, 0.94) 100%
      ),
      linear-gradient(
        to bottom,
        #050506 0%,
        rgba(5, 5, 6, 0.94) 8%,
        rgba(5, 5, 6, 0.72) 18%,
        rgba(5, 5, 6, 0.42) 32%,
        rgba(5, 5, 6, 0.18) 48%,
        rgba(5, 5, 6, 0.06) 62%,
        transparent 78%
      ),
      linear-gradient(
        to top,
        #050506 0%,
        rgba(5, 5, 6, 0.9) 10%,
        rgba(5, 5, 6, 0.58) 24%,
        rgba(5, 5, 6, 0.28) 40%,
        rgba(5, 5, 6, 0.1) 56%,
        transparent 72%
      );
  }

  .section-about::before {
    inset: -18%;
    background-image: url("images/haikei9.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(32px) brightness(0.2) saturate(0.65);
    transform: scale(1.12);
    opacity: 0.42;
    -webkit-mask-image: linear-gradient(
      to bottom,
      transparent 0%,
      rgba(0, 0, 0, 0.35) 7%,
      #000 16%,
      #000 84%,
      rgba(0, 0, 0, 0.35) 93%,
      transparent 100%
    );
    mask-image: linear-gradient(
      to bottom,
      transparent 0%,
      rgba(0, 0, 0, 0.35) 7%,
      #000 16%,
      #000 84%,
      rgba(0, 0, 0, 0.35) 93%,
      transparent 100%
    );
  }

  .section-about::after {
    height: clamp(7rem, 16vh, 12rem);
    background: linear-gradient(
      to top,
      #050506 0%,
      rgba(5, 5, 6, 0.92) 12%,
      rgba(5, 5, 6, 0.68) 28%,
      rgba(5, 5, 6, 0.38) 48%,
      rgba(5, 5, 6, 0.14) 68%,
      transparent 100%
    );
  }

  .section-problems::after {
    height: clamp(10rem, 24vh, 18rem);
    background: linear-gradient(
      to top,
      #050506 0%,
      rgba(5, 5, 6, 0.94) 10%,
      rgba(5, 5, 6, 0.78) 22%,
      rgba(5, 5, 6, 0.55) 38%,
      rgba(5, 5, 6, 0.32) 54%,
      rgba(5, 5, 6, 0.12) 72%,
      transparent 100%
    );
  }

  .section-reasons {
    padding: 7.5rem 0;
  }

  .reasons-header {
    margin-bottom: 4rem;
  }

  .reasons-row {
    min-height: 6.5rem;
    padding: 2.75rem 1rem;
    grid-template-columns: 4rem minmax(11rem, 1.25fr) minmax(0, 1fr);
    gap: 1.5rem 3rem;
  }

  .about-inner {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 3.25rem 4.5rem;
  }

  .about-media {
    order: 1;
  }

  .about-content {
    order: 2;
    padding-inline: 0;
  }

  .about-text {
    font-size: 1rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .contact-info-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .mobile-cta {
    display: none;
  }

}

@media (min-width: 1024px) {
  :root {
    --header-h: 5rem;
  }

  .header-nav {
    display: flex;
  }

  .header-cta-desktop {
    display: flex;
  }

  .header-menu-btn {
    display: none;
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }

  .card-service-media {
    height: 11.25rem;
  }

  .card-service-body {
    padding: 1.125rem 0.875rem 1.375rem;
  }

  .card-service h3 {
    font-size: 1rem;
  }

  .card-service p {
    font-size: 0.875rem;
  }

  .about-inner {
    gap: 3.5rem 5.5rem;
  }

  .about-slider-viewport {
    aspect-ratio: 4 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }

  .hero-fade {
    opacity: 1;
    transform: none;
    animation: none;
  }
}