@charset "utf-8";

:root {
  --primary-color: #ff9966;
  --text-color: #333;
  --background-color: #fff;
  --card-background: #f8f8f8;
  --base-font-size: clamp(0.625rem, 0.55rem + 0.38vw, 1rem);
  --heading-font-size: clamp(0.875rem, 0.8rem + 1vw, 1.25rem);
}

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

body {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  font-size: var(--base-font-size);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 2rem;
  color: #333;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.header-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  justify-content: space-between;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.company-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.company-name {
  font-size: var(--heading-font-size);
  font-weight: 700;
}

.contact-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 2px solid white;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  font-size: var(--base-font-size);
}

.contact-link:hover {
  background-color: white;
  color: var(--primary-color);
}

.hero {
  position: relative;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: white;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

h1 {
  font-size: clamp(2rem, 1.8rem + 1vw, 3.5rem);
  color: #333;
  font-weight: 700;
  text-align: center;
  line-height: 1.4;
}

.about-us {
  max-width: 1200px;
  margin: 6rem auto;
  padding: 0 2rem;
  text-align: center;
}

.about-us h2 {
  font-size: var(--heading-font-size);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.about-content {
  max-width: 1200px;
  margin: 0 auto;
}

.about-content > p {
  font-size: var(--base-font-size);
  margin-bottom: 3rem;
}

.about-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 1rem;
  margin-bottom: 3rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.about-item {
  background: var(--card-background);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.about-item p {
  font-size: var(--base-font-size);
}

.services {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
}

.service-card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 3rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.service-card h2 {
  font-size: var(--heading-font-size);
}

.uniform-design-content {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.uniform-text {
  flex: 0.6;
}

.uniform-text h2 {
  margin-bottom: 1.5rem;
}

.uniform-text p {
  margin-bottom: 1rem;
  line-height: 1.8;
  font-size: var(--base-font-size);
}

.uniform-image {
  flex: 0.4;
}

.uniform-image img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.price-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.plan {
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.plan h3 {
  font-size: var(--heading-font-size);
}

.price {
  color: var(--primary-color);
  font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  font-weight: bold;
  margin: 1rem 0;
}

.price span {
  font-size: var(--base-font-size);
  color: var(--text-color);
}

ul {
  list-style: none;
}

li {
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
  font-size: var(--base-font-size);
}

li::before {
  content: "•";
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

.chatbot-info {
  text-align: center;
  margin-bottom: 3rem;
}

.chatbot-description {
  font-size: var(--base-font-size);
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.feature {
  text-align: center;
}

.feature img {
  width: 50%;
  height: auto;
  margin-bottom: 1rem;
}

.about-chatbot {
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.about-chatbot-content {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.about-chatbot-text {
  flex: 0.6;
}

.about-chatbot-image {
  flex: 0.4;
}

.about-chatbot-image img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.about-chatbot h3 {
  font-size: var(--heading-font-size);
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.about-chatbot p {
  line-height: 1.8;
  font-size: var(--base-font-size);
}

.steps {
  background: var(--card-background);
  padding: 4rem 2rem;
  text-align: center;
  width: 100%;
}

.step-container {
  max-width: 800px;
  margin: 3rem auto 0;
  width: 100%;
  display: flex;
  justify-content: center;
}

.steps-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  object-fit: contain;
}

h2 {
  font-weight: 700;
  margin-bottom: 1rem;
}

h3 {
  font-weight: 500;
}

footer {
  background-color: #333;
  color: #fbfbfb;
  padding: 4rem 2rem 2rem;
  margin-top: 6rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  margin-bottom: 3rem;
}

.footer-info {
  display: inline-block;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.footer-logo .company-logo {
  width: 40px;
  height: 40px;
}

address {
  font-style: normal;
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: var(--base-font-size);
}

.footer-contact p {
  margin-bottom: 1rem;
  font-size: var(--base-font-size);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  font-size: var(--base-font-size);
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: row;
    gap: 1rem;
  }

  .header-left {
    justify-content: flex-start;
  }

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

  .price-plans {
    grid-template-columns: 1fr;
  }

  .features {
    flex-direction: column;
    align-items: center;
  }

  .feature img {
    width: 90%;
  }

  .uniform-design-content {
    flex-direction: column;
  }

  .uniform-text,
  .uniform-image {
    flex: 1;
  }

  .about-chatbot-content {
    flex-direction: column;
  }

  .about-chatbot-text,
  .about-chatbot-image {
    flex: 1;
  }
}