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

:root {
  --color-navy:   #1A2B4A;
  --color-cream:  #F5F2EB;
  --color-red:    #E8401C;
  --color-teal:   #4A7C6F;
  --color-white:  #FFFFFF;
  --color-gray:   #6B7280;
  --color-light:  #EAE7DF;

  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-heading: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;

  --radius: 4px;
  --max-width: 1160px;
  --section-pad: 80px 24px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-cream);
}

body {
  font-family: var(--font-sans);
  color: var(--color-navy);
  background-color: var(--color-cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1.4;
}

.btn-primary {
  background-color: var(--color-red);
  color: var(--color-white);
  border-color: var(--color-red);
}

.btn-primary:hover {
  background-color: #c83518;
  border-color: #c83518;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn-outline:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn-teal {
  background-color: var(--color-teal);
  color: var(--color-white);
  border-color: var(--color-teal);
}

.btn-teal:hover {
  background-color: #3a6358;
  border-color: #3a6358;
}

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--color-gray);
  max-width: 560px;
  line-height: 1.7;
}

.img-placeholder {
  background-color: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.img-placeholder svg {
  opacity: 0.25;
}

.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-logo-svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.header-brand {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.header-brand span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--color-gray);
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-navy);
  letter-spacing: 0.03em;
}

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

.header-cta {
  flex-shrink: 0;
}

.hero {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 0;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 580px;
}

.hero-content {
  padding: 80px 48px 80px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: 20px;
}

.hero-title em {
  color: var(--color-red);
  font-style: normal;
}

.hero-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  max-width: 420px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image .img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 400px;
  background-color: #142038;
}

.hero-badge {
  position: absolute;
  bottom: 32px;
  left: -20px;
  background-color: var(--color-red);
  color: var(--color-white);
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.3;
}

.hero-badge strong {
  display: block;
  font-size: 1.4rem;
}

.stats-bar {
  background-color: var(--color-teal);
  padding: 32px 24px;
}

.stats-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-item span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
}

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

.features-header {
  text-align: center;
  margin-bottom: 52px;
}

.features-header .section-desc {
  margin: 0 auto;
}

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

.features-grid .feature-card:last-child {
  grid-column: 1 / -1;
  max-width: calc(33.333% - 16px);
  justify-self: start;
}

.feature-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--color-light);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-cream);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-gray);
  line-height: 1.7;
}

.featured-article {
  padding: var(--section-pad);
  background-color: var(--color-white);
}

.featured-article-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.article-image .img-placeholder {
  width: 100%;
  height: 420px;
  border-radius: var(--radius);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.article-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background-color: var(--color-red);
  color: var(--color-white);
  padding: 4px 10px;
  border-radius: 2px;
}

.article-date {
  font-size: 0.8rem;
  color: var(--color-gray);
}

.article-content .section-title {
  margin-bottom: 16px;
}

.article-list {
  margin: 24px 0 32px;
}

.article-list li {
  display: flex;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--color-gray);
  margin-bottom: 10px;
  align-items: flex-start;
}

.article-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-red);
  flex-shrink: 0;
  margin-top: 7px;
}

.tips-grid-section {
  padding: var(--section-pad);
  background-color: var(--color-cream);
}

.tips-grid-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 24px;
}

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

.tip-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-light);
}

.tip-card-image .img-placeholder {
  width: 100%;
  height: 200px;
}

.tip-card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.tip-card-body {
  padding: 20px;
}

.tip-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 8px;
  display: block;
}

.tip-card-body h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
  line-height: 1.4;
}

.tip-card-body p {
  font-size: 0.82rem;
  color: var(--color-gray);
  line-height: 1.6;
}

.products {
  padding: var(--section-pad);
  background-color: var(--color-navy);
}

.products-header {
  text-align: center;
  margin-bottom: 52px;
}

.products-header .section-label {
  color: rgba(255,255,255,0.5);
}

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

.products-header .section-desc {
  color: rgba(255,255,255,0.6);
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.products-grid .product-card:last-child {
  grid-column: 1 / -1;
  max-width: calc(33.333% - 16px);
  justify-self: start;
}

.product-card {
  background-color: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
}

.product-card-image .img-placeholder {
  width: 100%;
  height: 220px;
  background-color: rgba(255,255,255,0.04);
}

.product-card-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.product-card-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.product-card-body {
  padding: 24px;
}

.product-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 10px;
  display: block;
}

.product-card-body h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
  line-height: 1.4;
}

.product-card-body p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  margin-bottom: 20px;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.product-price span {
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  font-family: var(--font-sans);
}

.how-it-works {
  padding: var(--section-pad);
  background-color: var(--color-white);
}

.how-it-works-header {
  text-align: center;
  margin-bottom: 60px;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.how-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  background-color: var(--color-light);
  z-index: 0;
}

.step-item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.step-item h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.8rem;
  color: var(--color-gray);
  line-height: 1.6;
}

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

.testimonials-header {
  text-align: center;
  margin-bottom: 48px;
}

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

.testimonials-grid .testimonial-card:last-child {
  grid-column: 1 / -1;
  max-width: calc(33.333% - 16px);
  justify-self: start;
}

.testimonial-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--color-light);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.star {
  width: 16px;
  height: 16px;
  background-color: var(--color-red);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.testimonial-card blockquote {
  font-size: 0.875rem;
  color: var(--color-navy);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar .img-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.author-avatar img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 50%;
}

.author-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-navy);
}

.author-role {
  font-size: 0.75rem;
  color: var(--color-gray);
}

.newsletter {
  padding: 72px 24px;
  background-color: var(--color-teal);
  text-align: center;
}

.newsletter h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.newsletter p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.newsletter-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  gap: 0;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  border: none;
  border-radius: var(--radius) 0 0 var(--radius);
  background-color: var(--color-white);
  color: var(--color-navy);
  outline: none;
}

.newsletter-form input::placeholder {
  color: var(--color-gray);
}

.newsletter-form button {
  padding: 14px 24px;
  background-color: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  border: none;
  border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer;
  letter-spacing: 0.04em;
}

.newsletter-form button:hover {
  background-color: #0f1b30;
}

.contacts {
  padding: var(--section-pad);
  background-color: var(--color-white);
}

.contacts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contacts-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.contacts-info p {
  font-size: 0.875rem;
  color: var(--color-gray);
  max-width: 400px;
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-cream);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-navy);
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-navy);
}

.contact-value a {
  color: var(--color-navy);
}

.contact-value a:hover {
  color: var(--color-red);
}

.contacts-map .img-placeholder {
  width: 100%;
  height: 360px;
  border-radius: var(--radius);
}

.site-footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 56px 24px 28px;
}

.footer-top {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 28px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-tagline {
  font-size: 0.825rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

.footer-col ul li a:hover {
  color: var(--color-white);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer-legal a:hover {
  color: rgba(255,255,255,0.75);
}

@media (max-width: 1024px) {
  .features-grid,
  .tips-grid,
  .products-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .how-steps::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 60px 20px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-image {
    display: none;
  }

  .hero-content {
    padding: 60px 20px;
  }

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

  .features-grid,
  .tips-grid,
  .products-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .featured-article-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contacts-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .tips-grid-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-nav {
    display: none;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form input {
    border-radius: var(--radius);
  }

  .newsletter-form button {
    border-radius: var(--radius);
  }

  .how-steps {
    grid-template-columns: 1fr;
  }
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
  max-width: 100%;
}

.cookie-banner.hidden {
  display: none;
}

.cookie-banner-content {
  flex: 1;
  max-width: 600px;
}

.cookie-banner-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 6px;
}

.cookie-banner-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

.cookie-banner-text a {
  color: var(--color-red);
  text-decoration: underline;
  transition: opacity 0.2s;
}

.cookie-banner-text a:hover {
  opacity: 0.8;
}

.cookie-banner-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.cookie-banner-btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all 0.2s;
}

.cookie-banner-accept {
  background-color: var(--color-red);
  color: var(--color-white);
}

.cookie-banner-accept:hover {
  background-color: #c83518;
}

.cookie-banner-decline {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-banner-decline:hover {
  border-color: var(--color-white);
}

@media (max-width: 768px) {
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner-actions {
    width: 100%;
  }

  .cookie-banner-btn {
    flex: 1;
  }
}

.stats-bar,
.features,
.tips,
.how-works,
.testimonials,
.newsletter {
  text-align: center;
}

.stats-bar-inner,
.features-grid,
.tips-grid,
.how-steps,
.testimonials-items,
.newsletter-inner {
  margin-left: auto;
  margin-right: auto;
}