/*
 * MEAL PREP SYSTEM — Nordic × 生活改善ツール
 * all.tex カラー・タイポ・レイアウト準拠 / 上質なお姉さん向け
 */

/* ========================================
   CSS Variables（all.tex）
   ======================================== */
:root {
  --sage: #DDE7DD;
  --warm-beige: #F3EDE4;
  --soft-olive: #C6D1BE;
  --light-gray: #F6F6F6;
  --white: #FFFFFF;
  --soft-black: #333333;
  --forest: #6E8B68;
  --card-border: #EAEAEA;

  --brand-primary: var(--forest);
  --brand-dark: var(--soft-black);
  --brand-accent: var(--soft-olive);

  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Inter", sans-serif;
  --font-accent: "Montserrat", var(--font-en);

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.75rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 2.75rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  --line-height-tight: 1.35;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;

  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  --max-width: 1400px;
  --inner-width: min(96%, var(--max-width));
  --header-height: 72px;
  --radius: 12px;
  --radius-card: 16px;
  --radius-btn: 9999px; /* ボタン統一：丸み・可愛いピル型 */

  --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);

  --transition: 0.25s ease;
  --z-header: 100;
  --z-mobile-nav: 90;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-jp);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--soft-black);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ========================================
   Utility
   ======================================== */
.container {
  width: var(--inner-width);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.section {
  padding: var(--spacing-4xl) 0;
}

/* セクション見出し（ヘッダーとフォント統一・見やすく） */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-label {
  font-family: var(--font-jp);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--forest);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-16);
  line-height: 1.4;
}

.section-title {
  font-family: var(--font-jp);
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--soft-black);
  line-height: 1.45;
  letter-spacing: 0.02em;
}

.section-title br + em,
.section-title em { font-style: normal; color: var(--forest); font-weight: 600; }

.section-lead {
  font-family: var(--font-jp);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--soft-black);
  opacity: 0.88;
  max-width: 560px;
  margin: var(--space-24) auto 0;
  line-height: 1.75;
}

/* ========================================
   Buttons（丸み・可愛い統一）
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 14px 24px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-btn);
  transition: all var(--transition);
  cursor: pointer;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--forest);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(110, 139, 104, 0.2);
}

.btn-primary:hover {
  background: #5d7558;
  box-shadow: 0 4px 20px rgba(110, 139, 104, 0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--forest);
  border: 1.5px solid var(--forest);
}

.btn-outline:hover {
  background: var(--sage);
  color: var(--forest);
  transform: translateY(-1px);
}

.btn-large {
  padding: 16px 32px;
  font-size: var(--font-size-base);
  border-radius: var(--radius-btn);
}

/* ========================================
   HEADER
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  background: rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: var(--space-24) 0;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(234, 234, 234, 0.8);
  padding: var(--space-16) 0;
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-24);
}

.header-inner .nav {
  justify-self: start;
}

.header-inner .logo {
  justify-self: center;
}

.header-inner .header-cta {
  justify-self: end;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: var(--radius-btn);
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.logo:hover {
  background: rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.logo-icon {
  font-size: 1.35rem;
  color: var(--forest);
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.15));
  transition: color var(--transition);
}
.logo-icon i { display: block; }

.logo-text {
  font-family: var(--font-accent);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.2;
  transition: color var(--transition);
}

.logo-text-main {
  color: var(--white);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2), 0 0 1px rgba(255, 255, 255, 0.4);
}
.logo-text-sub {
  color: var(--sage);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  font-weight: 600;
  letter-spacing: 0.1em;
}

.site-header.scrolled .logo {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--card-border);
  box-shadow: var(--shadow-soft);
}
.site-header.scrolled .logo:hover {
  background: var(--white);
  box-shadow: var(--shadow-card);
}
.site-header.scrolled .logo-icon {
  color: var(--forest);
  filter: none;
}
.site-header.scrolled .logo-text-main {
  color: var(--soft-black);
  text-shadow: none;
}
.site-header.scrolled .logo-text-sub {
  color: var(--forest);
  text-shadow: none;
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: var(--spacing-xl);
}

.nav-link {
  font-family: var(--font-jp);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.04em;
  padding: var(--space-8) 0;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--forest);
  transition: width var(--transition);
}

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

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

.site-header.scrolled .nav-link {
  color: var(--soft-black);
  opacity: 0.88;
}

.site-header.scrolled .nav-link:hover {
  color: var(--forest);
  opacity: 1;
}

.header-cta .btn {
  padding: 10px 22px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.12em;
  min-width: 120px;
  border-radius: var(--radius-btn);
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  box-shadow: none;
}

.header-cta .btn:hover {
  background: var(--white);
  color: var(--soft-black);
  border-color: var(--white);
  transform: none;
}

.site-header.scrolled .header-cta .btn {
  color: var(--soft-black);
  border-color: var(--soft-black);
}

.site-header.scrolled .header-cta .btn:hover {
  background: var(--soft-black);
  color: var(--white);
  border-color: var(--soft-black);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  padding: 0;
  z-index: calc(var(--z-header) + 10);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.site-header.scrolled .hamburger-line {
  background: var(--soft-black);
}

body.menu-open .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

body.menu-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

body.menu-open .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

body.menu-open .hamburger-line {
  background: var(--soft-black);
}

.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--warm-beige);
  z-index: var(--z-mobile-nav);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

body.menu-open .mobile-nav {
  opacity: 1;
  visibility: visible;
}

body.menu-open {
  overflow: hidden;
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
}

.mobile-nav-link {
  font-family: var(--font-jp);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--soft-black);
  letter-spacing: 0.02em;
}

.mobile-nav-link:hover {
  color: var(--forest);
}

/* ========================================
   HERO
   ======================================== */
.section--hero {
  position: relative;
  min-height: 120vh;
  padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-4xl);
  background: var(--soft-olive);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg-tint {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 50%, rgba(52, 61, 58, 0.15) 80%, rgba(52, 61, 58, 0.45) 100%),
    linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(221,231,221,0.6) 100%);
}

.hero-content-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 72vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 64px;
  width: 100%;
  min-height: 72vh;
}

.hero-content {
  flex: 0 0 auto;
  max-width: 520px;
  width: 100%;
  margin-left: auto;
  z-index: 2;
  padding: var(--spacing-2xl) var(--spacing-xl);
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

@keyframes heroContentIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-label {
  font-family: var(--font-en);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--forest);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-24);
  animation: heroContentIn 0.7s ease-out 0.1s forwards;
  opacity: 0;
  transform: translateY(16px);
}

.hero-title {
  font-family: var(--font-jp);
  font-size: clamp(var(--font-size-2xl), 2.8vw, var(--font-size-4xl));
  font-weight: var(--font-weight-medium);
  color: var(--soft-black);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-24);
  letter-spacing: 0.02em;
  animation: heroContentIn 0.7s ease-out 0.2s forwards;
  opacity: 0;
  transform: translateY(16px);
}
.hero-title em { font-style: normal; font-weight: var(--font-weight-medium); color: var(--forest); }

.hero-lead {
  font-size: var(--font-size-base);
  color: var(--soft-black);
  opacity: 0.9;
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-24);
  animation: heroContentIn 0.7s ease-out 0.35s forwards;
  opacity: 0;
  transform: translateY(16px);
}
.hero-lead strong { font-weight: var(--font-weight-medium); }

.hero-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-24);
  animation: heroContentIn 0.7s ease-out 0.5s forwards;
  opacity: 0;
  transform: translateY(16px);
}
.hero-benefits li {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  font-size: var(--font-size-sm);
  color: var(--soft-black);
  opacity: 0.9;
}

.hero-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--forest);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.75rem;
  box-shadow: 0 2px 6px rgba(110, 139, 104, 0.25);
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero-icon i {
  display: block;
  line-height: 1;
}
.hero-benefits li:hover .hero-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 3px 10px rgba(110, 139, 104, 0.35);
}

.hero-after {
  font-size: var(--font-size-base);
  color: var(--soft-black);
  margin-bottom: var(--spacing-xl);
  animation: heroContentIn 0.7s ease-out 0.6s forwards;
  opacity: 0;
  transform: translateY(16px);
}
.hero-after em { font-style: normal; font-weight: var(--font-weight-medium); color: var(--forest); }

.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--space-16);
  animation: heroContentIn 0.7s ease-out 0.75s forwards;
  opacity: 0;
  transform: translateY(16px);
}

.hero-images.pc-only {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 50%;
  min-width: 500px;
  max-width: 600px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  z-index: 1;
  pointer-events: none;
}
.hero-images.pc-only .hero-img {
  width: 100%;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.13);
  filter: brightness(1.05);
}
.hero-images.pc-only .hero-img:nth-child(1) { height: 280px; transform: translateY(-20px); }
.hero-images.pc-only .hero-img:nth-child(2) { height: 200px; transform: translateY(10px); }
.hero-images.pc-only .hero-img:nth-child(3) { height: 240px; transform: translateY(-10px); }
.hero-images.pc-only .hero-img:nth-child(4) { height: 220px; transform: translateY(-15px); }
.hero-images.pc-only .hero-img:nth-child(5) { height: 300px; transform: translateY(5px); }
.hero-images.pc-only .hero-img:nth-child(6) { height: 190px; transform: translateY(15px); }
.hero-images.pc-only .hero-img:nth-child(7) { height: 260px; transform: translateY(-25px); }
.hero-images.pc-only .hero-img:nth-child(8) { height: 210px; transform: translateY(8px); }
.hero-images.pc-only .hero-img:nth-child(9) { height: 180px; transform: translateY(-5px); }

.hero-images.sp-only { display: none; }

.hero-scroll-wrap {
  position: absolute;
  bottom: 14rem;
  left: 75%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  animation: heroScrollFloat 3s ease-in-out infinite;
}
.scroll-text {
  font-family: var(--font-en);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--soft-black);
  opacity: 0.7;
  letter-spacing: 0.15em;
}
.scroll-line {
  position: relative;
  width: 2px;
  height: 40px;
  background: rgba(51, 51, 51, 0.15);
  border-radius: 1px;
  overflow: hidden;
}
.scroll-dot {
  position: absolute;
  left: 50%;
  top: 0;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  margin-top: -2px;
  background: var(--forest);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.8);
  animation: scrollDotDown 2s ease-in-out infinite;
}
@keyframes heroScrollFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(6px); opacity: 0.85; }
}
@keyframes scrollDotDown {
  0% { transform: translateY(0); opacity: 1; }
  45% { transform: translateY(36px); opacity: 0.9; }
  55% { transform: translateY(36px); opacity: 0.9; }
  100% { transform: translateY(0); opacity: 1; }
}

/* ========================================
   PROBLEM（共感）左＝テキスト / 右＝写真
   ======================================== */
.section--problem {
  padding: 0;
  margin-top: -1px; /* HERO下端グラデーションと重ねて継ぎ目を消す */
}

.section--problem .problem-inner {
  display: grid;
  grid-template-columns: 45% 1fr;
  gap: 0;
  min-height: 100vh;
  max-width: 100%;
  margin: 0;
  background: #343d3a;
  box-shadow: 0 -8px 32px rgba(52, 61, 58, 0.2); /* HEROから続く立体感 */
}

.section--problem .problem-content {
  order: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-3xl) min(10vw, 120px);
  color: var(--white);
  position: sticky;
  top: var(--header-height); /* 固定ヘッダーの下でストップ */
  align-self: start;
}

.section--problem .problem-visual {
  order: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.section--problem .problem-image-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}

.section--problem .problem-image-wrap img {
  max-width: 100%;
  width: auto;
  height: auto;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.section--problem .problem-label {
  font-family: var(--font-en);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.section--problem .problem-title {
  font-family: var(--font-jp);
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 1.75em;
  color: #fff;
}

.section--problem .problem-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2.5rem 0;
}

.section--problem .problem-item {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
}

.section--problem .problem-item::before {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0.1em;
  font-size: 0.9em;
  color: rgba(255, 255, 255, 0.85);
  transition: transform 0.2s ease;
}

.section--problem .problem-item:hover::before {
  transform: scale(1.15);
}

.section--problem .problem-item:nth-child(1)::before { content: "\f2e7"; transform: rotate(-8deg); }
.section--problem .problem-item:nth-child(1):hover::before { transform: rotate(-8deg) scale(1.15); }

.section--problem .problem-item:nth-child(2)::before { content: "\f787"; transform: rotate(5deg); font-size: 0.85em; }
.section--problem .problem-item:nth-child(2):hover::before { transform: rotate(5deg) scale(1.15); }

.section--problem .problem-item:nth-child(3)::before { content: "\f518"; transform: rotate(-3deg); }
.section--problem .problem-item:nth-child(3):hover::before { transform: rotate(-3deg) scale(1.15); }

.section--problem .problem-item:nth-child(4)::before { content: "\f06c"; transform: rotate(6deg); font-size: 0.88em; }
.section--problem .problem-item:nth-child(4):hover::before { transform: rotate(6deg) scale(1.15); }

.section--problem .problem-item:nth-child(5)::before { content: "\f564"; transform: rotate(-5deg); }
.section--problem .problem-item:nth-child(5):hover::before { transform: rotate(-5deg) scale(1.15); }

.section--problem .problem-item:nth-child(6)::before { content: "\f4d8"; transform: rotate(4deg); font-size: 0.86em; }
.section--problem .problem-item:nth-child(6):hover::before { transform: rotate(4deg) scale(1.15); }

.section--problem .problem-item:last-child {
  margin-bottom: 0;
}

/* ========================================
   REASON（選ばれる理由）
   ======================================== */
.section--reason {
  background: linear-gradient(180deg, rgba(221, 231, 221, 0.35) 0%, rgba(255, 255, 255, 1) 30%);
}

.reason-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
  max-width: 1000px;
  margin: 0 auto;
}

.reason-card {
  position: relative;
  padding: var(--spacing-2xl);
  background: var(--white);
  border-radius: 20px;
  border: 1px solid rgba(198, 209, 190, 0.4);
  box-shadow: 0 2px 12px rgba(110, 139, 104, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  overflow: hidden;
}

.reason-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--forest), var(--soft-olive));
  border-radius: 0 4px 4px 0;
  transition: height 0.28s ease;
}

.reason-card:hover {
  transform: translateY(-4px);
  border-color: rgba(110, 139, 104, 0.35);
  box-shadow: 0 12px 32px rgba(110, 139, 104, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
}

.reason-card:hover::before {
  height: 100%;
}

.reason-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-24);
  background: linear-gradient(135deg, rgba(110, 139, 104, 0.12) 0%, rgba(198, 209, 190, 0.2) 100%);
  border-radius: 14px;
  color: var(--forest);
  transition: transform 0.28s ease, background 0.28s ease;
}

.reason-card:hover .reason-icon {
  transform: scale(1.05);
  background: linear-gradient(135deg, rgba(110, 139, 104, 0.18) 0%, rgba(198, 209, 190, 0.28) 100%);
}

.reason-icon svg {
  width: 28px;
  height: 28px;
}

.reason-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--soft-black);
  margin-bottom: var(--space-16);
  line-height: var(--line-height-tight);
  letter-spacing: 0.02em;
}

.reason-text {
  font-size: var(--font-size-sm);
  color: var(--soft-black);
  opacity: 0.88;
  line-height: 1.75;
}

.reason-text strong {
  font-weight: var(--font-weight-medium);
  color: var(--forest);
}

/* ========================================
   SERVICE（ステップ式アニメーション・丸く可愛い）
   ======================================== */
.section--service {
  background: #FAFAF9;
  overflow-x: hidden;
}

/* サービス見出し：ヘッダー幅まで広げる（コンテナからはみ出し） */
.section--service .section-header {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  margin-bottom: var(--spacing-4xl);
  padding: 0 var(--spacing-xl);
  box-sizing: border-box;
}

.section--service .section-title {
  font-size: clamp(1.625rem, 3.2vw, 2.125rem);
  line-height: 1.65;
  letter-spacing: 0.04em;
  max-width: none;
}

.service-steps-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--spacing-2xl) 0;
}

.service-steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.service-steps-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.service-step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  opacity: 0.5;
  transition: opacity 0.4s ease, transform 0.4s ease;
  cursor: pointer;
}

.service-step.active {
  opacity: 1;
  transform: translateX(4px);
}

.service-step-circle {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(110, 139, 104, 0.35);
  background: rgba(221, 231, 221, 0.6);
  color: var(--forest);
  transition: all 0.4s ease;
  flex-shrink: 0;
}

.service-step.active .service-step-circle {
  background: var(--forest);
  border-color: var(--forest);
  color: var(--white);
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(110, 139, 104, 0.35);
}

.service-step-number {
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  display: block;
}

.service-step-check {
  font-size: 1rem;
  display: none;
}

.service-step.completed .service-step-number {
  display: none;
}

.service-step.completed .service-step-check {
  display: block;
  color: var(--forest);
}

.service-step.completed .service-step-circle {
  background: rgba(221, 231, 221, 0.9);
  border-color: var(--sage);
  color: var(--forest);
}

.service-step-content {
  flex: 1;
}

.service-step-content .service-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--soft-black);
  margin-bottom: var(--space-16);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.service-step-content .service-list li {
  font-size: var(--font-size-sm);
  color: var(--soft-black);
  opacity: 0.9;
  line-height: var(--line-height-normal);
  padding-left: var(--space-16);
  position: relative;
}

.service-step-content .service-list li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--forest);
}

/* 画像エリア：丸く可愛いダミー */
.service-image-container {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1;
  margin: 0 auto;
}

.service-image {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-image.active {
  opacity: 1;
  transform: scale(1);
}

.service-image-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: 0 8px 32px rgba(110, 139, 104, 0.15), 0 2px 12px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.service-image-inner .service-step-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-dummy-1 {
  background: linear-gradient(135deg, rgba(221, 231, 221, 0.9) 0%, rgba(198, 209, 190, 0.85) 100%);
  border: 3px solid rgba(255, 255, 255, 0.9);
}

.service-dummy-2 {
  background: linear-gradient(135deg, rgba(198, 209, 190, 0.9) 0%, rgba(221, 231, 221, 0.85) 100%);
  border: 3px solid rgba(255, 255, 255, 0.9);
}

.service-dummy-3 {
  background: linear-gradient(135deg, rgba(110, 139, 104, 0.25) 0%, rgba(198, 209, 190, 0.7) 100%);
  border: 3px solid rgba(255, 255, 255, 0.9);
}

.service-note {
  max-width: 640px;
  margin: var(--spacing-xl) auto 0;
  font-size: var(--font-size-xs);
  color: var(--soft-black);
  opacity: 0.7;
  line-height: var(--line-height-relaxed);
  text-align: center;
}

/* ========================================
   FLOW（ご利用の流れ）
   PC: 横タイムライン / SP: 縦タイムライン
   ======================================== */
.section--flow {
  --flow-num-size: 32px;
  --flow-line-top: 16px;
  position: relative;
  background: var(--warm-beige);
}
.section--flow .container { position: relative; z-index: 1; }
.section--flow .section-label { color: var(--forest); letter-spacing: 0.08em; }
.section--flow .section-title { color: var(--soft-black); }
.section--flow .flow-arrow { display: none; }

/* タイムライン本体 */
.section--flow .flow-timeline {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: var(--spacing-md);
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}
.section--flow .flow-timeline::before {
  content: '';
  position: absolute;
  top: var(--flow-line-top);
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(110,139,104,0.35) 10%, rgba(110,139,104,0.35) 90%, transparent 100%);
  z-index: 0;
}

/* ステップ（PC: 縦並び・中央 / SP: 横並び・左揃えはメディアクエリで上書き） */
.section--flow .flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 0;
}
.section--flow .flow-step::after { display: none; }

/* 番号バッジ */
.section--flow .flow-step-num {
  width: var(--flow-num-size);
  height: var(--flow-num-size);
  min-width: var(--flow-num-size);
  margin: 0 0 var(--spacing-md);
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--forest);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.section--flow .flow-step:hover .flow-step-num {
  transform: scale(1.08);
  box-shadow: 0 4px 12px rgba(110,139,104,0.35);
}
.section--flow .flow-step-num span {
  font-family: var(--font-accent);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: inherit;
}

/* 本文エリア */
.section--flow .flow-step-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  text-align: center;
}
.section--flow .flow-step:hover .flow-step-content { transform: none; box-shadow: none; }

.section--flow .flow-step-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--soft-black);
  margin-bottom: 6px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.section--flow .flow-step-text {
  font-size: 0.75rem;
  color: var(--soft-black);
  opacity: 0.82;
  line-height: 1.5;
}

/* ========================================
   PLAN（北欧風：シンプル・上質）
   ======================================== */
.section--plan {
  background: linear-gradient(180deg, var(--white) 0%, var(--warm-beige) 100%);
  padding: var(--spacing-4xl) 0;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2xl);
  max-width: 800px;
  margin: 0 auto var(--spacing-3xl);
}

.plan-card {
  background: var(--white);
  border: 1.5px solid rgba(198, 209, 190, 0.4);
  border-radius: 24px;
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.plan-card:hover {
  border-color: var(--soft-olive);
  box-shadow: 0 8px 32px rgba(110, 139, 104, 0.12);
  transform: translateY(-4px);
}

.plan-card--featured {
  border-color: var(--forest);
  border-width: 2px;
  box-shadow: 0 4px 20px rgba(110, 139, 104, 0.15);
}

.plan-card--featured:hover {
  box-shadow: 0 12px 40px rgba(110, 139, 104, 0.2);
}

.plan-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--forest) 0%, #5d7558 100%);
  color: var(--white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 6px 14px;
  border-radius: var(--radius-btn);
  letter-spacing: 0.08em;
  box-shadow: 0 2px 8px rgba(110, 139, 104, 0.25);
  z-index: 2;
}

.plan-header {
  padding: var(--spacing-3xl) var(--spacing-2xl) var(--spacing-2xl);
  background: linear-gradient(180deg, rgba(221, 231, 221, 0.3) 0%, transparent 100%);
  text-align: center;
  position: relative;
}

.plan-card--featured .plan-header {
  background: linear-gradient(180deg, rgba(198, 209, 190, 0.4) 0%, rgba(221, 231, 221, 0.2) 100%);
}

.plan-card--featured .plan-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--forest) 0%, var(--soft-olive) 100%);
}

.plan-name {
  font-family: var(--font-accent);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--soft-black);
  margin-bottom: var(--space-24);
  letter-spacing: 0.03em;
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin-bottom: var(--space-8);
}

.price-amount {
  font-family: var(--font-en);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--forest);
  line-height: 1;
  letter-spacing: -0.02em;
}

.price-unit {
  font-size: var(--font-size-lg);
  color: var(--soft-black);
  opacity: 0.7;
  font-weight: 500;
}

.plan-tax {
  font-size: var(--font-size-xs);
  color: var(--soft-black);
  opacity: 0.6;
  margin-top: var(--space-8);
  font-weight: 400;
}

.plan-body {
  padding: var(--spacing-2xl) var(--spacing-xl);
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  list-style: none;
}

.plan-features li {
  font-size: var(--font-size-sm);
  color: var(--soft-black);
  line-height: var(--line-height-relaxed);
  padding-left: 28px;
  position: relative;
  opacity: 0.9;
}

.plan-features li::before {
  content: '\f00c';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 0.875rem;
  color: var(--forest);
  opacity: 0.8;
}

.plan-features li strong {
  font-weight: var(--font-weight-semibold);
  color: var(--forest);
}

.plan-footer {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-2xl);
  background: rgba(246, 246, 246, 0.5);
}

.options-section {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: var(--spacing-3xl);
  max-width: 800px;
  margin: 0 auto;
  border: 1.5px solid rgba(198, 209, 190, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.options-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.options-title {
  font-family: var(--font-accent);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--soft-black);
  letter-spacing: 0.02em;
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.option-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-16);
  padding: var(--space-24) var(--space-24);
  background: var(--white);
  border-radius: 16px;
  border: 1.5px solid rgba(198, 209, 190, 0.45);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  transition: all var(--transition);
}

.option-item:hover {
  border-color: var(--forest);
  box-shadow: 0 4px 16px rgba(110, 139, 104, 0.12);
  transform: translateY(-2px);
}

.option-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--soft-black);
  line-height: 1.4;
  flex: 1;
  min-width: 0;
}

.option-price {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--forest);
  flex-shrink: 0;
  white-space: nowrap;
}

/* ========================================
   CONTACT（お問い合わせ）
   ======================================== */
.section--contact {
  background: var(--white);
  padding: var(--spacing-4xl) 0;
}
.section--contact .section-header { margin-bottom: var(--spacing-2xl); }

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: var(--spacing-2xl);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
}

.contact-form {
  max-width: 480px;
  margin: 0 auto;
}

.form-row {
  margin-bottom: var(--space-24);
}

.form-row--half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24);
}

.form-group {
  margin-bottom: var(--space-24);
}

.form-group--checkbox {
  margin-bottom: var(--spacing-xl);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--soft-black);
  margin-bottom: var(--space-8);
}

.required {
  color: #c45c5c;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: var(--font-size-base);
  color: var(--soft-black);
  background: var(--light-gray);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  transition: all var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--forest);
  background: var(--white);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-24);
}

.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  cursor: pointer;
}

.form-radio input {
  display: none;
}

.radio-mark {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--card-border);
  border-radius: 50%;
  position: relative;
  transition: all var(--transition);
}

.form-radio input:checked + .radio-mark {
  border-color: var(--forest);
}

.form-radio input:checked + .radio-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--forest);
  border-radius: 50%;
}

.radio-label {
  font-size: var(--font-size-sm);
  color: var(--soft-black);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
  cursor: pointer;
}

.form-checkbox input {
  display: none;
}

.checkbox-mark {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--card-border);
  border-radius: 4px;
  position: relative;
  transition: all var(--transition);
  margin-top: 2px;
}

.form-checkbox input:checked + .checkbox-mark {
  background: var(--forest);
  border-color: var(--forest);
}

.form-checkbox input:checked + .checkbox-mark::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 6px;
  width: 5px;
  height: 9px;
  border: solid var(--white);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}

.checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--soft-black);
  opacity: 0.9;
  line-height: var(--line-height-relaxed);
}

.checkbox-label a {
  color: var(--forest);
  text-decoration: underline;
}

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

.form-submit .btn {
  min-width: 200px;
  border-radius: var(--radius-btn);
}

/* ========================================
   COMPANY
   ======================================== */
.section--company {
  position: relative;
  padding: var(--spacing-3xl) 0;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.95);
}

.section--company::after {
  content: '';
  position: absolute;
  inset: -10px;
  background-image: url("../images/company-bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(5px);
  transform: scale(1.03);
  z-index: 0;
}

.section--company::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(18, 20, 24, 0.48);
  z-index: 1;
}

.section--company .container {
  position: relative;
  z-index: 2;
}

.section--company .section-label {
  color: var(--sage);
}

.section--company .section-title {
  color: var(--white);
}

.company-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
  max-width: 900px;
  margin: 0 auto;
}

.company-info {
  padding: 0;
}

.section--company .company-list {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.section--company .company-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.company-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--space-24);
  padding: var(--space-16) 0;
}

.section--company .company-item dt {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.8);
}

.section--company .company-item dd {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.95);
  line-height: var(--line-height-relaxed);
}

.company-map {
  width: 100%;
  height: 320px;
  min-height: 280px;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(60, 64, 72, 0.25);
}

.company-map iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  vertical-align: bottom;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--soft-black);
  opacity: 0.4;
  font-family: var(--font-en);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.04em;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background: var(--soft-black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-24) 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
  flex-wrap: wrap;
}

.footer-logo.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}
.footer-logo.logo:hover { background: transparent; border: none; box-shadow: none; }
.footer-logo .logo-icon { font-size: 1rem; color: var(--forest); filter: none; }
.footer-logo .logo-text-main { color: var(--white); text-shadow: none; }
.footer-logo .logo-text-sub { color: var(--sage); text-shadow: none; }
.footer-logo .logo-text { font-size: var(--font-size-sm); font-weight: 600; letter-spacing: 0.08em; }

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.footer-links a {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.72);
  padding: var(--space-8);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

.footer-separator { color: rgba(255,255,255,0.25); font-size: 0.65rem; user-select: none; }

.footer-copyright {
  margin: 0;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
}

/* ========================================
   右下固定：ログインボタン
   ======================================== */
.floating-login-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  background: var(--forest);
  color: var(--white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border-radius: var(--radius-btn);
  box-shadow: 0 4px 20px rgba(110, 139, 104, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.floating-login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(110, 139, 104, 0.5);
  color: var(--white);
}
.floating-login-btn__icon {
  font-size: 1.25rem;
  line-height: 1;
  opacity: 0.95;
}
.floating-login-btn__icon i {
  display: block;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .hero-content-wrapper { min-height: 0; align-items: flex-start; padding-top: var(--spacing-lg); }
  .hero-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-2xl);
    min-height: 0;
  }
  .hero-content {
    order: -1;
    max-width: 100%;
    margin-left: 0;
    padding: var(--spacing-2xl) var(--spacing-lg);
    width: 100%;
    box-sizing: border-box;
  }
  .hero-benefits { align-items: center; }
  .hero-benefits li { justify-content: center; }
  .hero-cta { justify-content: center; }
  .hero-scroll-wrap { left: 50%; }
  .hero-images.pc-only {
    position: static;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    gap: 12px;
    margin-top: 0;
  }

  .section--problem .problem-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .section--problem .problem-visual { min-height: 50vh; }
  .section--problem .problem-content {
    padding: var(--spacing-3xl) var(--spacing-xl);
    position: relative;
  }

  .reason-list { grid-template-columns: 1fr; }
  .service-steps-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  .service-image-container {
    max-width: 280px;
  }
  .section--flow .flow-timeline { max-width: 100%; } /* タブレット幅で横並び維持 */
  .company-wrapper { grid-template-columns: 1fr; }
  .company-map { max-height: 280px; }
}

@media (max-width: 900px) {
  .hero-images.pc-only { display: none !important; }
  .hero-images.sp-only {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: var(--spacing-xl);
  }
  .hero-images.sp-only .hero-img {
    width: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    aspect-ratio: 1;
  }
}

/* 980px以下：ヘッダーはハンバーガーメニュー */
@media (max-width: 980px) {
  .header-inner {
    display: flex;
    justify-content: space-between;
    grid-template-columns: unset;
  }

  .header-inner .nav,
  .header-inner .logo,
  .header-inner .header-cta {
    justify-self: unset;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    display: none;
  }

  .header-cta {
    display: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-3xl) 0;
  }

  .hero-content {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .section--problem {
    padding: 0;
  }
  .section--problem .problem-visual {
    min-height: 220px;
  }
  .section--problem .problem-content {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  /* FLOW: SP 縦タイムライン */
  .section--flow {
    --flow-num-size: 28px;
    --flow-line-top: 14px;
  }
  .section--flow .flow-timeline {
    flex-direction: column;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }
  .section--flow .flow-timeline::before { display: none; }
  .section--flow .flow-step {
    flex: none;
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
  }
  .section--flow .flow-step::after {
    display: block;
    left: calc(var(--flow-num-size) / 2 - 1px);
    top: calc(var(--flow-num-size) + 8px);
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, rgba(110,139,104,0.4) 0%, transparent 100%);
  }
  .section--flow .flow-step:last-of-type::after { display: none; }
  .section--flow .flow-step-num { margin: 0; }
  .section--flow .flow-step-num span { font-size: 0.5625rem; }
  .section--flow .flow-step-content {
    align-items: stretch;
    text-align: left;
    padding-top: 2px;
  }
  .section--flow .flow-step-title { font-size: var(--font-size-sm); }
  .section--flow .flow-step-text { font-size: var(--font-size-xs); }

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

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

  .form-row--half {
    grid-template-columns: 1fr;
  }

  .form-radio-group {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .reason-card {
    padding: var(--spacing-xl);
  }

  .service-image-container {
    max-width: 220px;
  }

  .cta-inner {
    gap: var(--spacing-xl);
  }

  .contact-form-wrap {
    padding: var(--spacing-xl);
  }
}

/* Form error */
.form-input.error,
.form-textarea.error {
  border-color: #c45c5c;
}

.form-checkbox.error .checkbox-mark {
  border-color: #c45c5c;
}