/* ==========================================
   CARing株式会社 – Main Stylesheet
   ========================================== */

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

:root {
  --color-primary: #2c5f4a;
  --color-primary-light: #3d7a60;
  --color-primary-dark: #1e4234;
  --color-accent: #b08d57;
  --color-accent-light: #c9a96e;
  --color-bg: #faf9f7;
  --color-bg-alt: #f0ede8;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-white: #ffffff;
  --color-border: #e0ddd6;
  --font-ja: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-en: 'Playfair Display', Georgia, serif;
  --max-width: 1100px;
  --nav-height: 72px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-ja);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(8px);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
}

.logo-main {
  font-family: var(--font-ja);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.08em;
  transition: color var(--transition);
}

.logo-sub {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
}

.navbar.scrolled .logo-main {
  color: var(--color-primary-dark);
}

.navbar.scrolled .logo-sub {
  color: var(--color-text-light);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 12px;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}

.nav-links a:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.navbar.scrolled .nav-links a {
  color: var(--color-text);
}

.navbar.scrolled .nav-links a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-white) !important;
  border-radius: 6px !important;
  padding: 8px 18px !important;
}

.nav-cta:hover {
  background: var(--color-accent-light) !important;
}

.navbar.scrolled .nav-cta {
  background: var(--color-primary) !important;
  color: var(--color-white) !important;
}

.navbar.scrolled .nav-cta:hover {
  background: var(--color-primary-light) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1010;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.navbar.scrolled .hamburger span {
  background: var(--color-text);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(160deg, rgba(30, 66, 52, 0.55) 0%, rgba(44, 95, 74, 0.50) 50%, rgba(58, 122, 98, 0.45) 100%),
    url('img/hero.webp') center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80vw;
  height: 80vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(176, 141, 87, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><rect fill="none" width="60" height="60"/><path d="M0 30h60M30 0v60" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></svg>');
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 0 24px;
  z-index: 1;
}

.hero-en {
  font-family: var(--font-en);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}

.hero-tagline {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.hero-sub {
  font-family: var(--font-en);
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.15em;
  margin-bottom: 48px;
}

.hero-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 64px;
  background: var(--color-accent);
  border: 2px solid var(--color-accent);
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  border-radius: 50px;
  box-shadow: 0 6px 24px rgba(176, 141, 87, 0.45);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  animation: btnPulse 2.5s ease-in-out infinite;
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(176, 141, 87, 0.45); }
  50% { box-shadow: 0 8px 36px rgba(176, 141, 87, 0.7); }
}

.hero-btn-sub {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.25);
  padding: 4px 16px;
  border-radius: 20px;
}

.hero-btn:hover {
  background: var(--color-white);
  color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(176, 141, 87, 0.5);
  animation: none;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.hero-scroll span {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.2em;
  animation: scrollBlink 2.5s ease-in-out infinite;
}

@keyframes scrollBlink {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.9));
  animation: scrollDrop 2s ease-in-out infinite;
}

@keyframes scrollDrop {
  0% { top: -50%; }
  100% { top: 120%; }
}

/* --- Section Common --- */
.section {
  padding: 100px 0;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section.revealed {
  opacity: 1;
  transform: translateY(0);
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-align: center;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 56px;
  position: relative;
  padding-bottom: 20px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: var(--color-accent);
}

/* --- About --- */
.about {
  background: var(--color-white);
}

.about-body {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.about-body p {
  margin-bottom: 24px;
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 2.1;
}

.about-lead {
  font-size: 1.05rem !important;
  color: var(--color-text) !important;
}

.about-philosophy {
  margin-top: 16px;
  padding: 28px;
  background: var(--color-bg);
  border-radius: 12px;
  border-left: 3px solid var(--color-accent);
}

/* --- Services --- */
.services {
  background: var(--color-bg);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  opacity: 0;
  transform: translateY(20px);
}

.service-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.service-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

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

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

.service-img-placeholder {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-align: center;
  line-height: 1.6;
}

.service-img-placeholder svg {
  display: block;
  margin: 0 auto 8px;
  width: 36px;
  height: 36px;
  opacity: 0.5;
}

.service-card-body {
  padding: 24px 24px 28px;
}

.service-card-body h3,
.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  line-height: 1.9;
}

.service-card p:last-child {
  margin-bottom: 0;
}

.service-card strong {
  color: var(--color-primary);
}

.service-link {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 6px;
  transition: background var(--transition), transform var(--transition);
}

.service-link:hover {
  background: var(--color-primary-light);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* --- Reasons --- */
.reasons {
  background: var(--color-white);
}

.reasons-list {
  max-width: 800px;
  margin: 0 auto;
}

.reason-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reason-item.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reason-item:last-child {
  border-bottom: none;
}

.reason-num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  min-width: 48px;
  padding-top: 4px;
}

.reason-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.reason-content p {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

/* --- FAQ --- */
.faq {
  background: var(--color-white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-ja);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1.6;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question > span:first-child::before {
  content: 'Q. ';
  color: var(--color-accent);
  font-family: var(--font-en);
  font-weight: 700;
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  position: relative;
  transition: background var(--transition), transform var(--transition);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--color-primary);
  transform: translate(-50%, -50%);
  transition: transform var(--transition);
}

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

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-question[aria-expanded="true"] .faq-icon {
  background: var(--color-primary);
}

.faq-question[aria-expanded="true"] .faq-icon::before,
.faq-question[aria-expanded="true"] .faq-icon::after {
  background: var(--color-white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer.open {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 0 20px 0;
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

.faq-answer p::before {
  content: 'A. ';
  color: var(--color-primary);
  font-family: var(--font-en);
  font-weight: 700;
}

/* --- Voices --- */
.voices {
  background: var(--color-bg-alt);
}

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

.voice-card {
  background: var(--color-white);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.03);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.voice-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.voice-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.voice-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8ba89a 0%, #a3bfb0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.voice-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.voice-avatar svg {
  width: 24px;
  height: 24px;
  color: rgba(255, 255, 255, 0.6);
}

.voice-header-text {
  flex: 1;
  min-width: 0;
}

.voice-meta {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.voice-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(44, 95, 74, 0.08);
  padding: 2px 10px;
  border-radius: 4px;
}

.voice-card > p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.85;
}

/* --- Message --- */
.message {
  background: var(--color-white);
  position: relative;
  overflow: hidden;
  padding-bottom: 0 !important;
}

.message-body {
  max-width: 700px;
  margin: 0 auto;
}

.message-text p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  line-height: 2.1;
  text-align: center;
}

.message-text strong {
  color: var(--color-primary-dark);
}

.message-sign {
  margin-top: 40px;
  font-weight: 700;
  color: var(--color-text) !important;
  text-align: right !important;
  font-size: 0.95rem;
}

.message-cityline {
  width: 100%;
  height: 200px;
  background: url('img/cityline.svg') repeat-x bottom center;
  background-size: auto 100%;
  opacity: 0.8;
  margin-top: -45px;
}

/* --- Company --- */
.company {
  background: var(--color-bg);
}

.company-table-wrap {
  max-width: 700px;
  margin: 0 auto;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--color-border);
}

.company-table th,
.company-table td {
  padding: 18px 16px;
  font-size: 0.92rem;
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 160px;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: rgba(44, 95, 74, 0.04);
  white-space: nowrap;
}

.company-table td {
  color: var(--color-text-light);
}

.company-link {
  color: var(--color-primary);
  text-decoration: underline;
  font-size: 0.88rem;
  word-break: break-all;
}

.company-link:hover {
  color: var(--color-accent);
}

/* --- Contact --- */
.contact {
  background: var(--color-white);
}

.contact-info-box {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
  padding: 32px 24px;
  background: var(--color-bg);
  border-radius: 12px;
}

.contact-info-lead {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
}

.line-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: #06C755;
  color: #ffffff !important;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 50px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.3);
}

.line-btn svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.line-btn:hover {
  background: #05b34c;
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(6, 199, 85, 0.4);
}

.contact-info-note {
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--color-text-light);
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.required {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-white);
  background: #c0392b;
  padding: 1px 8px;
  border-radius: 3px;
  margin-left: 8px;
  vertical-align: middle;
}

.optional {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-bg-alt);
  padding: 1px 8px;
  border-radius: 3px;
  margin-left: 8px;
  vertical-align: middle;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 0.92rem;
  font-family: var(--font-ja);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 95, 74, 0.1);
}

select {
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M6 8l4 4 4-4" fill="none" stroke="%23666" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/></svg>');
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
}

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

.checkbox-group,
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--color-text-light);
  cursor: pointer;
}

.checkbox-label input,
.radio-label input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

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

.form-agree a {
  text-decoration: underline;
}

.form-submit {
  text-align: center;
  margin-top: 12px;
}

.submit-btn {
  display: inline-block;
  padding: 16px 64px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-ja);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  letter-spacing: 0.1em;
}

.submit-btn:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(44, 95, 74, 0.25);
}

/* --- Privacy Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  padding: 24px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-white);
  border-radius: 16px;
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
  transform: translateY(20px);
  transition: transform var(--transition);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--color-text-light);
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  padding: 28px 32px 0;
  margin-bottom: 20px;
}

.modal-body {
  padding: 0 32px 32px;
  overflow-y: auto;
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

.modal-body h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-top: 20px;
  margin-bottom: 6px;
}

.modal-body p {
  margin-bottom: 10px;
}

.modal-body ul {
  margin: 0 0 10px 20px;
}

.modal-body li {
  margin-bottom: 4px;
}

/* --- reCAPTCHA --- */
.grecaptcha-badge {
  visibility: hidden;
}

.recaptcha-credit {
  font-size: 0.72rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

.recaptcha-credit a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 48px 0 24px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-family: var(--font-ja);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  display: block;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.8rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-links a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
}

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

.footer-group {
  text-align: center;
  padding-top: 20px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-copy {
  text-align: center;
  padding-top: 12px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --- Page Top --- */
.page-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
  z-index: 900;
}

.page-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-top:hover {
  background: var(--color-primary-light);
  color: var(--color-white);
}

.page-top svg {
  width: 20px;
  height: 20px;
}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 900px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .voice-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .reason-item {
    gap: 16px;
  }

  .reason-num {
    font-size: 1.5rem;
    min-width: 36px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 28px 40px;
    gap: 4px;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
    transition: right var(--transition);
    overflow-y: auto;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    color: var(--color-text) !important;
    font-size: 0.9rem;
    padding: 14px 4px;
    width: 100%;
    display: block;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links a:hover {
    background: none !important;
    color: var(--color-primary) !important;
  }

  .nav-cta {
    background: var(--color-primary) !important;
    color: var(--color-white) !important;
    text-align: center;
    margin-top: 20px;
    border-bottom: none !important;
    border-radius: 8px !important;
    padding: 14px 0 !important;
  }

  .hero {
    background-position: 36% center;
  }

  .hero-tagline {
    font-size: clamp(1.6rem, 6vw, 2.4rem);
  }

  .section {
    padding: 72px 0;
  }

  .section-title {
    margin-bottom: 40px;
  }

  .about-body p br {
    display: none;
  }

  .message-text p br {
    display: none;
  }

  .message {
    padding-bottom: 0 !important;
  }

  .message-cityline {
    height: 120px;
    margin-top: 0;
    background-position: right bottom;
  }

  .company-table th {
    width: 120px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    gap: 8px 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

  .service-card-body {
    padding: 20px 16px 24px;
  }

  .reason-item {
    flex-direction: column;
    gap: 8px;
  }

  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 12px 16px;
  }

  .company-table th {
    padding-bottom: 4px;
    background: none;
  }

  .company-table td {
    padding-top: 0;
  }

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

  .checkbox-group {
    flex-direction: column;
  }

  .submit-btn {
    width: 100%;
    padding: 16px 24px;
  }
}