/* ============================================================
   UCHIDAS — style.css v3
   Hero / Dark: #0D1117
   Cream: #F8F6F1  White: #FFFFFF
   Text: #1A1A1A   Muted: #5A5A5A
   Accent: #CC2200
   Font: Noto Sans JP
   ============================================================ */

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

:root {
  /* Dark (hero) */
  --color-bg:       #000000;
  --color-bg-alt:   #0A0A0A;
  /* Light */
  --color-cream:    #F8F6F1;
  --color-white:    #FFFFFF;
  /* Text */
  --color-text:     #1A1A1A;
  --color-muted:    #5A5A5A;
  --color-faint:    #AAAAAA;
  /* Border */
  --color-border:   #DDD9D0;
  --color-border-d: #2A2A2A;
  /* Accent */
  --color-accent:   #CC2200;
  --color-accent-h: #E02500;
  /* Dark section text */
  --color-text-d:   #FFFFFF;
  --color-muted-d:  #8A9BAE;

  --font-base: 'Noto Sans JP', sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --container-w: 1160px;
  --section-py:  128px;
  --header-h:    68px;

  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.22s var(--ease);
}

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

body {
  font-family: var(--font-base);
  background: var(--color-white);
  color: var(--color-text);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 32px;
}

/* ============================================================
   LOADER
   ============================================================ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: clamp(36px, 8vw, 72px);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: #FFFFFF;
}

.loader__part {
  opacity: 0;
  transform: translateX(-16px);
  display: inline-block;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.loader__part--right {
  transform: translateX(16px);
}

.loader__bar {
  opacity: 0;
  transform: scaleY(0);
  display: inline-block;
  color: var(--color-accent);
  font-weight: 300;
  transition: opacity 0.35s var(--ease) 0.45s, transform 0.35s var(--ease) 0.45s;
  transform-origin: center;
}

.loader.is-animating .loader__part:first-child {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0s;
}
.loader.is-animating .loader__bar {
  opacity: 1;
  transform: scaleY(1);
}
.loader.is-animating .loader__part--right {
  opacity: 1;
  transform: translateX(0);
  transition-delay: 0.7s;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-base);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), opacity var(--transition);
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.btn--accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--accent:hover, .btn--accent:focus-visible {
  background: var(--color-accent-h);
  border-color: var(--color-accent-h);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: currentColor;
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--color-text);
  color: var(--color-white);
}

/* スタンダードプラン用ダーク枠ボタン（featured card 上） */
.btn--outline-dark {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}
.btn--outline-dark:hover, .btn--outline-dark:focus-visible {
  background: var(--color-text);
  color: #fff;
}

.btn--outline-light {
  background: transparent;
  color: var(--color-text-d);
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn--lg { padding: 18px 40px; font-size: 15px; }
.btn--full { width: 100%; }

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section {
  padding-block: var(--section-py);
  background: var(--color-white);
  color: var(--color-text);
  text-align: center;
}

.section--cream { background: var(--color-cream); }

.section--dark {
  background: var(--color-bg);
  color: var(--color-text-d);
}

.section-label-group {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.section-label-group .section-label { margin-bottom: 0; }
.section-mascot { flex-shrink: 0; display: block; }

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
}

.section-title em { font-style: normal; color: var(--color-accent); }
.section-title__sub {
  display: block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-top: 6px;
}

.section-desc {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.85;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 64px;
}

.section--dark .section-desc { color: var(--color-muted-d); }

/* ============================================================
   FADE IN SECTIONS
   ============================================================ */
.fade-in-section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children */
.fade-in-section > .container > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.fade-in-section.is-visible > .container > * { opacity: 1; transform: translateY(0); }
.fade-in-section.is-visible > .container > *:nth-child(2) { transition-delay: 0.08s; }
.fade-in-section.is-visible > .container > *:nth-child(3) { transition-delay: 0.16s; }
.fade-in-section.is-visible > .container > *:nth-child(4) { transition-delay: 0.24s; }
.fade-in-section.is-visible > .container > *:nth-child(5) { transition-delay: 0.32s; }

/* ============================================================
   MARQUEE STRIP
   ============================================================ */
.marquee {
  background: #0D1117;
  overflow: hidden;
  padding-block: 16px;
  border-top: 1px solid #1e2630;
  border-bottom: 1px solid #1e2630;
}

.marquee__track {
  display: inline-flex;
  white-space: nowrap;
  animation: marqueeScroll 22s linear infinite;
}

.marquee__track span {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.65);
  padding-right: 0;
}

.marquee__track span strong {
  color: var(--color-accent);
  font-weight: 700;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

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

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(13, 17, 23, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

.logo-placeholder {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  border: 2px solid var(--color-accent);
  padding: 4px 10px;
  display: inline-block;
}
.logo-placeholder--sm { font-size: 16px; padding: 3px 8px; }

.header__nav { margin-left: auto; }

.header__nav-list { display: flex; gap: 2px; }

.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.02em;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.07); }
.nav-link--active { color: var(--color-accent) !important; }

.header__cta { flex-shrink: 0; font-size: 13px; padding: 9px 22px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: var(--color-bg);
  color: var(--color-text-d);
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: 100px;
  text-align: center;
}

/* Geometric decoration */
.hero::before {
  content: '';
  position: absolute;
  top: -40px;
  right: 8%;
  width: 3px;
  height: 260px;
  background: var(--color-accent);
  opacity: 0.5;
  transform: rotate(22deg);
}
.hero::after {
  content: '';
  position: absolute;
  top: 30px;
  right: 6%;
  width: 72px;
  height: 72px;
  border: 2px solid var(--color-accent);
  opacity: 0.18;
  border-radius: 2px;
  transform: rotate(15deg);
}

.hero__bg-pattern {
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  will-change: transform;
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero__eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 28px;
}

/* Text slider */
.hero__title {
  position: relative;
  /* Reduced so the longest slide fits on one line across breakpoints */
  font-size: clamp(28px, 4vw, 68px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 36px;
  min-height: 1.2em;
  color: #FFFFFF;
  white-space: nowrap;           /* prevent mid-word wrap */
  overflow: visible;
}

.hero__slide {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
  pointer-events: none;
}
.hero__slide--active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
}
.hero__slide em { font-style: normal; color: var(--color-accent); }

.hero__lead {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--color-muted-d);
  margin-bottom: 28px;
}

.hero__problems {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 auto 44px;
  max-width: 620px;
  text-align: left;
}
.hero__problems li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--color-muted-d);
  line-height: 1.7;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
}
.hero__problems-num {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.hero__cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 22px;
}

.hero__note { font-size: 12px; color: rgba(255,255,255,0.35); }

/* ============================================================
   PROBLEM
   ============================================================ */
.problem { padding-bottom: 72px; }

.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.problem__card {
  padding: 24px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: left;
  background: var(--color-white);
  transition: border-color var(--transition), transform var(--transition);
}
.problem__card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.problem__card-icon { color: var(--color-accent); margin-bottom: 18px; }

.problem__num {
  font-size: 44px;
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.12;
  line-height: 1;
  margin-bottom: 14px;
}

.problem__card-title {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 14px;
  line-height: 1.3;
  padding-top: 8px;
}

.problem__card-body {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.85;
}

/* ============================================================
   PAIN
   ============================================================ */
.pain__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 52px;
  text-align: left;
}

.pain__item {
  display: flex;
  gap: 18px;
  padding: 28px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  align-items: flex-start;
  background: var(--color-cream);
  transition: border-color var(--transition);
}
.pain__item:hover { border-color: var(--color-accent); }

.pain__check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-accent);
  border-radius: 4px;
  display: block;
  margin-top: 3px;
  position: relative;
}
.pain__check::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 12px;
  height: 7px;
  border-left: 2.5px solid var(--color-accent);
  border-bottom: 2.5px solid var(--color-accent);
  transform: rotate(-45deg);
}

.pain__text strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}
.pain__text p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.75;
}

/* PAIN illustration */
.pain__illust-wrap {
  margin-bottom: 48px;
  display: flex;
  justify-content: center;
}
.pain__illust {
  max-width: 480px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.pain__cta { display: flex; justify-content: center; }

/* ============================================================
   SERVICE
   ============================================================ */
.service__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service__card {
  padding: 0 0 24px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-white);
  text-align: left;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(204, 34, 0, 0.12);
}

/* Image placeholder — gray until real photo is dropped in */
.service__img-placeholder {
  aspect-ratio: 16 / 9;
  background: #e0e0e0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  overflow: hidden;
  margin-bottom: 20px;
  position: relative;
}
.service__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.3s ease;
}
/* Hide broken img when src is empty or missing */
.service__img:not([src]), .service__img[src=""] { display: none; }
/* Zoom on card hover */
.service__card:hover .service__img { transform: scale(1.04); transition: transform 0.4s ease, opacity 0.3s ease; }

.service__head { padding-inline: 20px; }
.service__card > p { padding-inline: 20px; font-size: 13px; color: var(--color-muted); line-height: 1.8; }

.service__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.service__icon { color: var(--color-accent); flex-shrink: 0; display: flex; }
.service__card h3 { font-size: 16px; font-weight: 700; line-height: 1.3; }
.service__card p { font-size: 13px; color: var(--color-muted); line-height: 1.8; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pricing__card {
  padding: 44px 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #FAF7F2;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition);
}
.pricing__card:hover { border-color: var(--color-accent); transform: translateY(-4px); }

.pricing__card--featured {
  background: #E8D8B8;
  color: var(--color-text);
  border-color: var(--color-accent);
  position: relative;
}

.pricing__badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 5px 16px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  white-space: nowrap;
}

.pricing__plan-name {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  text-transform: uppercase;
  margin-bottom: 16px;
  margin-top: 10px;
}
.pricing__card--featured .pricing__plan-name { color: var(--color-muted); }

.pricing__price {
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 4px;
  letter-spacing: -0.02em;
}
.pricing__currency { font-size: 24px; }
.pricing__per { font-size: 14px; font-weight: 400; color: var(--color-muted); }
.pricing__card--featured .pricing__per { color: var(--color-muted); }

.pricing__desc {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}
.pricing__card--featured .pricing__desc { color: var(--color-muted); }

.pricing__features {
  flex: 1;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing__features li {
  font-size: 13px;
  color: var(--color-muted);
  padding-left: 20px;
  position: relative;
  text-align: left;
}
.pricing__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.pricing__card--featured .pricing__features li { color: var(--color-muted); }

.pricing__feature--note { color: var(--color-faint) !important; }
.pricing__feature--note::before { color: var(--color-faint) !important; content: '—' !important; }

/* Coming soon card */
.pricing__card--soon {
  background: #C8B48A;
  opacity: 1;
  pointer-events: none;
}
.pricing__card--soon .pricing__plan-name,
.pricing__card--soon .pricing__price,
.pricing__card--soon .pricing__desc,
.pricing__card--soon .pricing__features li,
.pricing__card--soon .pricing__soon-note {
  color: rgba(26, 26, 26, 0.45);
}
.pricing__soon-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  margin-top: 4px;
  text-transform: uppercase;
}
.pricing__soon-note {
  font-size: 12px;
  color: var(--color-faint);
  text-align: center;
  margin-top: 8px;
}

.pricing__free-link {
  font-size: 12px;
  text-align: center;
  margin-top: 10px;
}
.pricing__free-link a {
  color: var(--color-muted);
  text-decoration: underline;
}
.pricing__free-link a:hover { color: var(--color-accent); }

.pricing__free-link--dark a { color: var(--color-text); }
.pricing__free-link--dark a:hover { color: var(--color-accent); }

/* ============================================================
   FLOW
   ============================================================ */
.flow {
  --section-py: 88px;
}

.flow__steps {
  display: flex;
  align-items: flex-start;
  margin-bottom: 44px;
}

.flow__step { flex: 1; padding: 0 14px; }
.flow__step:first-child { padding-left: 0; }

/* FLOW illustration */
.flow__step-illust {
  width: 100%;
  aspect-ratio: 1;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-cream);
}
.flow__step-illust img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.flow__step-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.flow__step-icon { color: var(--color-accent); display: flex; flex-shrink: 0; }
.flow__step-num {
  font-size: 20px;
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.5;
  line-height: 1;
  margin-bottom: 10px;
}

.flow__arrow {
  flex-shrink: 0;
  width: 32px;
  position: relative;
  top: 20px;
}
.flow__arrow::before {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-border);
}
.flow__arrow::after {
  content: '';
  position: absolute;
  right: -1px;
  top: -4px;
  width: 9px;
  height: 9px;
  border-top: 1.5px solid var(--color-border);
  border-right: 1.5px solid var(--color-border);
  transform: rotate(45deg);
}

.flow__step-body { text-align: left; }
.flow__step-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.flow__step-body p { font-size: 13px; color: var(--color-muted); line-height: 1.8; }

.flow__cta { display: flex; justify-content: center; }

/* ============================================================
   FAQ
   ============================================================ */
.faq__list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq__item { border-bottom: 1px solid var(--color-border); }
.faq__item:last-child { border-bottom: none; }

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 32px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  user-select: none;
  transition: background var(--transition);
  text-align: left;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question::marker { display: none; }
.faq__question:hover { background: var(--color-cream); }

.faq__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--color-faint);
  border-radius: 50%;
  position: relative;
  transition: border-color var(--transition);
}
.faq__icon::before, .faq__icon::after {
  content: '';
  position: absolute;
  background: var(--color-muted);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.faq__icon::before {
  width: 10px; height: 1.5px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.faq__icon::after {
  width: 1.5px; height: 10px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
details[open] .faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
details[open] .faq__icon { border-color: var(--color-accent); }
details[open] .faq__icon::before { background: var(--color-accent); }

.faq__answer { padding: 0 32px 26px; }
.faq__answer p { font-size: 14px; color: var(--color-muted); line-height: 1.85; text-align: left; }

/* ============================================================
   PORTFOLIO (WORKS)
   ============================================================ */
.portfolio__simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  padding: 56px 0 8px;
}
.portfolio__intro {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.85;
  max-width: 520px;
}

/* ============================================================
   MESSAGE
   ============================================================ */
.message {
  position: relative;
  /* overflow:hidden removed — replaced by CSS pattern background */
}
.message__bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(100px, 18vw, 220px);
  font-weight: 900;
  color: var(--color-text);
  opacity: 0.03;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.02em;
}

.message__inner {
  max-width: 720px;
  margin-inline: auto;
  position: relative;
  z-index: 1;
  text-align: left;
}

.message__btn-note {
  font-size: 11px;
  color: var(--color-faint);
  margin-top: 8px;
}
.message__btn-note a {
  color: var(--color-faint);
  text-decoration: underline;
}
.message__btn-note a:hover { color: var(--color-white); }

.message__text {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.message__text p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.95;
  text-align: left;
}
.message__text strong { color: var(--color-text); }

/* ============================================================
   COMPANY
   ============================================================ */
.company__table-wrap { overflow-x: auto; }
.company__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.company__table--compact th,
.company__table--compact td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}
.company__table--compact th {
  width: 110px;
  color: var(--color-muted);
  font-weight: 500;
  white-space: nowrap;
  background: var(--color-cream);
}
.company__table td a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.company__table td a:hover { opacity: 0.75; }
.company__table tr:last-child th,
.company__table tr:last-child td { border-bottom: none; }
.company__table, .company__table-wrap { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact__cols {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0 40px;
  align-items: start;
  max-width: 980px;
  margin-inline: auto;
}

.contact__col-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact__col-icon {
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 10px;
  vertical-align: middle;
}
.contact__col-title {
  font-size: 18px;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 0;
}
.contact__col-desc { font-size: 13px; color: var(--color-muted); line-height: 1.7; text-align: left; }

.contact__or {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 72px;
}
.contact__or span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-faint);
  writing-mode: vertical-rl;
  padding: 14px 8px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* Form */
.contact__form { display: flex; flex-direction: column; gap: 18px; }
.form__row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form__group { display: flex; flex-direction: column; gap: 6px; }
.form__group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  text-align: left;
}
.form__required {
  font-size: 10px;
  background: var(--color-accent);
  color: #fff;
  padding: 1px 5px;
  border-radius: 2px;
  font-weight: 700;
}
.form__group input,
.form__group textarea {
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--color-text);
  font-family: var(--font-base);
  font-size: 14px;
  width: 100%;
  transition: border-color var(--transition);
  resize: vertical;
}
.form__group input::placeholder,
.form__group textarea::placeholder { color: var(--color-faint); }
.form__group input:focus,
.form__group textarea:focus { outline: none; border-color: var(--color-accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg);
  color: var(--color-text-d);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer__simple {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding-block: 40px;
  flex-wrap: wrap;
}
.footer__tagline { font-size: 13px; color: var(--color-muted-d); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-block: 18px; }
.footer__bottom p { font-size: 12px; color: rgba(255,255,255,0.25); text-align: center; }

/* ============================================================
   RESPONSIVE — Tablet ≤1024px
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-py: 96px; }

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

}

/* ============================================================
   RESPONSIVE — Mobile ≤768px
   ============================================================ */
@media (max-width: 768px) {
  :root { --section-py: 72px; }

  .container { padding-inline: 20px; }

  /* Header */
  .header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0; bottom: 0;
    background: rgba(13, 17, 23, 0.98);
    padding: 32px 24px;
    transform: translateX(100%);
    transition: transform 0.3s var(--ease);
    overflow-y: auto;
  }
  .header__nav.is-open { transform: translateX(0); }
  .header__nav-list { flex-direction: column; gap: 0; }
  .nav-link {
    display: block;
    font-size: 18px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    color: #fff;
  }
  .header__cta { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero::before, .hero::after { display: none; }
  .hero__cta-group { flex-direction: column; }
  .hero__cta-group .btn { width: 100%; justify-content: center; }

  /* Problem */
  .problem__grid { grid-template-columns: 1fr; }

  /* Pain */
  .pain__grid { grid-template-columns: 1fr; }

  /* Service */
  .service__grid { grid-template-columns: 1fr; }

  /* Pricing */
  .pricing__grid { grid-template-columns: 1fr; gap: 16px; }
  .pricing__card--featured { order: -1; }

  /* Flow */
  .flow__steps { flex-direction: column; gap: 0; }
  .flow__step {
    padding: 0 0 32px 36px;
    border-left: 2px solid var(--color-border);
    position: relative;
  }
  .flow__step:last-child { padding-bottom: 0; border-left-color: transparent; }
  .flow__step-top {
    position: absolute;
    left: -18px; top: 0;
    flex-direction: column;
    gap: 2px;
    background: var(--color-cream);
    padding: 2px;
  }
  .flow__step-num { font-size: 11px; opacity: 1; }
  .flow__arrow { display: none; }

  /* Contact */
  .contact__cols { grid-template-columns: 1fr; gap: 40px; }
  .contact__or { padding-top: 0; }
  .contact__or span {
    writing-mode: horizontal-tb;
    border-top: none; border-bottom: none;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    padding: 6px 24px;
  }
  .form__row { grid-template-columns: 1fr; gap: 14px; }

  /* Footer */
  .footer__simple { gap: 16px; padding-block: 32px; flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding-inline: 16px; }
  .pricing__price { font-size: 40px; }
}

/* ============================================================
   LOGO — UCH|DAS
   ============================================================ */
.logo-uchidas {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  line-height: 1;
}
.logo-uchidas--sm   { font-size: 16px; }
/* Hero内ロゴ: ヘッダーの1.5〜2倍サイズ */
.logo-uchidas--hero {
  font-size: clamp(28px, 3.5vw, 40px);
  display: block;
  margin-bottom: 20px;
  opacity: 0.92;
  letter-spacing: 0.06em;
}

.logo-uchidas__bar {
  color: var(--color-accent);
  font-weight: 300;
  font-size: 1.1em;
  margin-inline: 3px;
  opacity: 0.9;
}

/* Loader reuses .loader__logo — keep consistent */
.loader__logo .loader__bar { color: var(--color-accent); }

/* ============================================================
   HERO — subcopy / mascot
   ============================================================ */
.hero__subcopy {
  font-size: clamp(15px, 1.7vw, 19px);
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.85;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 40px;
}
.hero__subcopy em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__mascot {
  position: absolute;
  right: clamp(24px, 6vw, 100px);
  top: 50%;
  transform: translateY(-50%);
  opacity: 1;
  pointer-events: none;
  animation: mascotFloat 4s ease-in-out infinite;
}

@keyframes mascotFloat {
  0%, 100% { transform: translateY(-50%); }
  50%       { transform: translateY(calc(-50% - 12px)); }
}

@media (max-width: 768px) {
  .hero__mascot { display: none; }
  /* Allow wrapping on small screens */
  .hero__title { white-space: normal; }
}

/* ============================================================
   PROBLEM — card-top (icon + num side-by-side)
   ============================================================ */
.problem__card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.problem__num {
  font-size: 28px;
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.18;
  line-height: 1;
}

/* ============================================================
   PAIN — mascot above CTA
   ============================================================ */
.pain__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.pain__mascot { display: flex; }

/* ============================================================
   FAQ — header with mascot
   ============================================================ */
.faq__header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}
.faq__header .section-title { margin-bottom: 0; }
.faq__mascot { display: flex; opacity: 0.7; }

/* ============================================================
   MESSAGE — CSS pattern background + bounce CTA
   ============================================================ */
.message {
  position: relative;
  overflow: hidden;
  background: var(--color-white);
}

/* Subtle diagonal pinstripe texture */
.message::before {
  content: '';
  position: absolute;
  inset: -50%;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0px,
    transparent 36px,
    rgba(204, 34, 0, 0.045) 36px,
    rgba(204, 34, 0, 0.045) 37px
  );
  pointer-events: none;
  z-index: 0;
}

/* Red accent block — top-right corner */
.message::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 100%;
  background: var(--color-accent);
  opacity: 0.7;
  z-index: 0;
}

/* Elevate content above the decorative layer */
.message > * { position: relative; z-index: 1; }

/* Hide the old UCHIDAS bg text element */
.message__bg-text { display: none; }

.btn--bounce {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 48px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.03em;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 999px;   /* pill shape */
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  text-decoration: none;
  white-space: nowrap;
}
.btn--bounce:hover,
.btn--bounce:focus-visible {
  transform: scale(1.04);
  box-shadow: 0 14px 36px rgba(204, 34, 0, 0.35);
}
/* Ball animation: throw → bounce off wall, loop */
@keyframes ballBounce {
  0%   { transform: translateX(0); }
  40%  { transform: translateX(18px); }   /* ball reaches wall */
  55%  { transform: translateX(14px); }   /* compress on wall */
  70%  { transform: translateX(-4px); }   /* bounces back past start */
  85%  { transform: translateX(2px); }
  100% { transform: translateX(0); }
}

.btn--bounce .ico-ball {
  animation: ballBounce 1.8s ease-in-out infinite;
}
.btn--bounce:hover .ico-ball,
.btn--bounce:focus-visible .ico-ball {
  animation-play-state: paused;
  transform: translateX(6px);
}
.btn--bounce .ico-svg { flex-shrink: 0; display: flex; }

/* ============================================================
   FOOTER — mascot
   ============================================================ */
.footer__mascot { margin-top: 12px; display: flex; opacity: 0.6; }

/* ============================================================
   COMPANY — 2-column intro
   ============================================================ */
.company__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
  text-align: left;
}

.company__logo-box {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #ffffff;
  border: 1px solid #d0d0d0;
  border-radius: var(--radius-md);
}

.company__intro-logo {
  max-width: 200px;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: center;
}

.company__intro-text {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.9;
}

@media (max-width: 768px) {
  .company__intro {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .company__intro-logo { max-width: 140px; }
}

/* ============================================================
   COMPANY — operator row (inside table)
   ============================================================ */
.company__operator-row {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--transition);
}
.company__operator-row:hover { opacity: 0.75; }

.company__operator-logo {
  width: 80px;
  height: auto;
  max-height: 40px;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
  object-position: left center;
}

.company__operator-row span {
  font-size: 13px;
}

/* ============================================================
   HERO — trust badge strip
   ============================================================ */
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: center;
  margin-top: 28px;
}

.hero__trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ============================================================
   COMPARE — 他社比較テーブル
   ============================================================ */
.compare__wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 8px;
}

.compare__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.compare__table thead tr {
  border-bottom: 2px solid var(--color-accent);
}

.compare__th {
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--color-muted-d);
  text-transform: uppercase;
}

.compare__th--item {
  text-align: left;
  width: 22%;
}

.compare__th--uchidas {
  color: var(--color-accent);
  background: rgba(204, 34, 0, 0.08);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.compare__logo-text {
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--color-text-d);
}

.compare__table tbody tr {
  border-bottom: 1px solid var(--color-border-d);
}

.compare__table tbody tr:last-child {
  border-bottom: none;
}

.compare__label {
  padding: 14px 16px;
  font-weight: 600;
  color: var(--color-muted-d);
  font-size: 13px;
}

.compare__cell {
  padding: 14px 16px;
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
}

.compare__cell--uchidas {
  background: rgba(204, 34, 0, 0.07);
}

.compare__good {
  color: #4ADE80;
  font-weight: 700;
}

.compare__bad {
  color: rgba(255, 255, 255, 0.4);
}

.compare__star {
  color: var(--color-accent);
  font-weight: 700;
}

/* ============================================================
   PORTFOLIO — stats strip
   ============================================================ */
.portfolio__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.portfolio__stat {
  padding: 24px 40px;
  text-align: center;
}

.portfolio__stat-num {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
  color: var(--color-text);
}

.portfolio__stat-num span {
  font-size: 0.45em;
  font-weight: 500;
  color: var(--color-muted);
  vertical-align: middle;
}

.portfolio__stat-label {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.portfolio__stat-divider {
  width: 1px;
  height: 48px;
  background: var(--color-border);
}

.portfolio__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.portfolio__intro {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.85;
  text-align: center;
}

@media (max-width: 600px) {
  .portfolio__stat-divider { display: none; }
  .portfolio__stats { gap: 8px; }
  .portfolio__stat { padding: 16px 24px; }
  .hero__trust { gap: 8px 16px; }
  .compare__table { font-size: 12px; }
  .compare__th, .compare__label, .compare__cell { padding: 10px 10px; }
}

/* Accessibility */
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }