body {
  font-family: 'Segoe UI', 'Arial', sans-serif;
  line-height: 1.7;
  margin: 0;
  padding: 0;
  background: linear-gradient(120deg, #fff7e6 0%, #fff 100%);
  color: #222;
}

.top{
  background-image: linear-gradient(rgba(255, 136, 0, 0.22), rgba(255, 255, 255, 0.28)), url('../images/top-bg.JPG');
  background-size: cover;
  background-position: center top 65%;
  background-repeat: no-repeat;
  border-radius: 0 0 32px 32px;
  box-shadow: 0 8px 32px rgba(255, 136, 0, 0.10);
  height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.22);
  position: relative;
  overflow: hidden;
  backdrop-filter: brightness(0.98) blur(1px);
}

.main-title {
  text-align: center;
  margin-top: 38px;
  font-size: 2.7em;
  font-weight: 800;
  letter-spacing: 0.045em;
  color: #ff8800;
  text-shadow:
    0 2px 12px rgba(255, 136, 0, 0.10),
    0 1px 0 #fff7e6;
  line-height: 1.2;
}

.description {
  text-align: center;
  margin: 24px auto;
  max-width: 650px;
  font-size: 1.18em;
  color: #444;
  background: linear-gradient(90deg, #fff3e0 0%, #fff9f3 100%);
  padding: 22px 36px;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(255, 136, 0, 0.10);
  letter-spacing: 0.03em;
  border: 1.5px solid #ffb366;
}

.sub-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 36px auto 0 auto;
  font-size: 1.6em;
  color: #ff8800;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: #fff7e6;
  border-radius: 6px 6px 0 0;
  padding: 8px 24px 8px 24px;
  position: relative;
  width: fit-content;
}

.sub-title::after {
  content: "";
  display: block;
  width: 120px;
  height: 4px;
  background: #ff8800;
  margin: 10px auto 0 auto;
  border-radius: 2px;
}

.about-description {
  text-align: center;
  margin: 20px auto;
  max-width: 700px;
  font-size: 1.1em;
  color: #555;
  padding: 16px 24px;
  background: #fff8f0;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(255, 136, 0, 0.08);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin: 40px auto 24px auto;
  max-width: 900px;
  padding: 0 12px;
}

.feature {
  background: linear-gradient(120deg, #fff7e6 60%, #fff9f3 100%);
  border-left: 6px solid #ff8800;
  border-radius: 18px;
  box-shadow: 0 4px 18px rgba(255, 136, 0, 0.13);
  padding: 32px 28px 24px 28px;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.22s, transform 0.18s;
  gap: 12px;
}

.feature:hover {
  box-shadow: 0 8px 32px rgba(255, 136, 0, 0.18);
  transform: translateY(-4px) scale(1.025);
  background: linear-gradient(120deg, #fff3e0 60%, #fff9f3 100%);
}

.feature-icon {
  font-size: 2.1em;
  color: #ff8800;
  margin-right: 16px;
  filter: drop-shadow(0 2px 8px #fff7e6);
  vertical-align: middle;
}

/* .firstが付いている.feature-iconを中央寄せ */
.first .feature-icon,
.feature-icon.first {
  display: block;
  margin: 0 auto 16px auto;
  text-align: center;
}

.feature-text {
  font-size: 1em;
  font-weight: 600;
  color: #444;
  margin: 0 0 0 4px;
  display: inline-block;
  vertical-align: middle;
  letter-spacing: 0.01em;
}

.feature-detail {
  list-style: none;
  padding: 0 0 0 8px;
  margin: 10px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.feature-detail li {
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, #fff9f3 70%, #fff7e6 100%);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 1.05em;
  color: #555;
  box-shadow: 0 2px 8px rgba(255, 136, 0, 0.05);
  position: relative;
  gap: 10px;
}

.feature-detail li:hover {
  background: #fff3e0;
  box-shadow: 0 4px 18px rgba(255, 136, 0, 0.11);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 28px;
  margin: 40px auto 24px auto;
  max-width: 950px;
  padding: 0 12px;
}

.feature,
.step {
  background: #fff8f0;
  margin: 10px 0;
  padding: 16px 20px;
  border-left: 6px solid #ff8800;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(255, 136, 0, 0.06);
  font-size: 1.08em;
  transition: box-shadow 0.2s;
}
.feature:hover,
.step:hover {
  box-shadow: 0 4px 18px rgba(255, 136, 0, 0.13);
  background: #fff3e0;
}
.getting-started-steps {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 32px;
  margin: 48px auto 36px auto;
  padding: 0;
  list-style: none;
  max-width: 900px;
  flex-wrap: wrap;
}

.getting-started-steps .step {
  background: linear-gradient(120deg, #fff 70%, #fff7e6 100%);
  border-radius: 22px;
  box-shadow: 0 6px 28px rgba(255, 136, 0, 0.10);
  padding: 32px 26px 26px 26px;
  min-width: 180px;
  max-width: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  transition: box-shadow 0.18s, transform 0.16s;
  border-top: 5px solid #ff8800;
  border-bottom: 3px solid #ffb366;
  margin: 0;
}

.getting-started-steps .step:hover {
  box-shadow: 0 12px 36px rgba(255, 136, 0, 0.18);
  transform: translateY(-6px) scale(1.035);
  background: linear-gradient(120deg, #fff9f3 70%, #fff7e6 100%);
}

.step-number {
  background: #ff8800;
  color: #fff;
  font-size: 1.25em;
  font-weight: 700;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(255, 136, 0, 0.13);
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  border: 3px solid #fff;
  z-index: 2;
}

.step-iconContainer {
  display: flex;
  gap: 8px;
  margin: 24px 0 12px 0;
  justify-content: center;
}

.step-icon {
  font-size: 2.1em;
  color: #ff8800;
  filter: drop-shadow(0 2px 8px #fff7e6);
  background: #fff3e0;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 2px 8px rgba(255, 136, 0, 0.08);
}

.step-text {
  font-size: 1.08em;
  color: #444;
  text-align: center;
  font-weight: 600;
  margin-top: 8px;
  letter-spacing: 0.01em;
  line-height: 1.5;
}

.faq-accordion {
  max-width: 700px;
  margin: 48px auto 32px auto;
  background: #fff8f0;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(255, 136, 0, 0.09);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.faq-item {
  border-radius: 12px;
  background: linear-gradient(90deg, #fff9f3 70%, #fff7e6 100%);
  box-shadow: 0 2px 10px rgba(255, 136, 0, 0.06);
  overflow: hidden;
  margin: 0;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  outline: none;
  font-size: 1.13em;
  font-weight: 700;
  color: #ff8800;
  padding: 18px 18px 18px 38px;
  cursor: pointer;
  position: relative;
  transition: background 0.18s;
  letter-spacing: 0.01em;
  border-bottom: 1px solid #ffe0b3;
}

.faq-question::before {
  content: "Q";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  background: #ff8800;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.98em;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(255, 136, 0, 0.10);
}

.faq-question.open,
.faq-question:active,
.faq-question:focus {
  background: #fff3e0;
}

.faq-question.open::after {
  content: "▲";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95em;
  color: #ff8800;
  transition: transform 0.2s;
}

.faq-question::after {
  content: "▼";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95em;
  color: #ff8800;
  transition: transform 0.2s;
}

.faq-question.open::after {
  content: "▲";
}

.faq-answer {
  display: none;
  padding: 0 24px 18px 38px;
  background: none;
  animation: fadeInFaq 0.25s;
}

.faq-answer p {
  margin: 0;
  color: #555;
  font-size: 1.05em;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.faq-answer::before {
  content: "A";
  display: inline-block;
  margin-right: 10px;
  color: #fff;
  background: #ffb366;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  text-align: center;
  line-height: 22px;
  font-weight: 700;
  font-size: 0.98em;
  vertical-align: middle;
  box-shadow: 0 2px 8px rgba(255, 136, 0, 0.08);
}

.contact {
  margin: 48px auto 36px auto;
  text-align: center;
  font-size: 1.13em;
  background: linear-gradient(90deg, #fff3e0 0%, #fff9f3 100%);
  border-radius: 18px;
  box-shadow: 0 4px 18px rgba(255, 136, 0, 0.10);
  padding: 36px 24px 28px 24px;
  max-width: 600px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  overflow: hidden;
  display: block;
}

.contact::before {
  content: "";
  position: absolute;
  top: -40px;
  left: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, #ffb36633 60%, transparent 100%);
  z-index: 0;
}

.contact::after {
  content: "";
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, #ff880033 60%, transparent 100%);
  z-index: 0;
}

.contact-info {
  position: relative;
  z-index: 1;
  color: #555;
  font-size: 1.08em;
  margin: 18px 0 0 0;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.contact-info a {
  color: #ff8800;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid #ffb366;
  transition: color 0.18s, border-bottom-color 0.18s;
  padding: 2px 2px 1px 2px;
  border-radius: 4px;
  background: linear-gradient(90deg, #fff7e6 60%, #fff9f3 100%);
  box-shadow: 0 2px 8px rgba(255, 136, 0, 0.06);
}

.contact-info a:hover,
.contact-info a:focus {
  color: #fff;
  background: linear-gradient(90deg, #ff8800 60%, #ffb366 100%);
  border-bottom-color: #ff8800;
  text-decoration: none;
  outline: none;
}

@media (max-width: 600px) {
  .contact {
    padding: 22px 6vw 18px 6vw;
    border-radius: 10px;
    font-size: 1em;
  }
  .contact::before,
  .contact::after {
    display: none;
  }
}

@keyframes fadeInFaq {
  from { opacity: 0; transform: translateY(-8px);}
  to { opacity: 1; transform: translateY(0);}
}

@media (max-width: 600px) {
  .faq-accordion {
    padding: 10px 2vw;
    gap: 10px;
  }
  .faq-question {
    font-size: 1em;
    padding: 14px 10px 14px 32px;
  }
  .faq-question::before,
  .faq-answer::before {
    width: 18px;
    height: 18px;
    font-size: 0.85em;
    line-height: 18px;
  }
  .faq-answer {
    padding: 0 10px 12px 32px;
    font-size: 0.98em;
  }
}

@media (max-width: 900px) {
  .getting-started-steps {
    gap: 18px;
    max-width: 100%;
  }
  .getting-started-steps .step {
    min-width: 150px;
    max-width: 100%;
    padding: 26px 12px 20px 12px;
  }
}

@media (max-width: 600px) {
  .getting-started-steps {
    flex-direction: column;
    gap: 18px;
    padding: 0 2vw;
    align-items: stretch;
  }
  .getting-started-steps .step {
    min-width: unset;
    max-width: 100%;
    padding: 22px 10px 16px 10px;
  }
  .step-number {
    width: 32px;
    height: 32px;
    font-size: 1em;
    top: -16px;
  }
  .step-icon {
    font-size: 1.4em;
    padding: 7px;
  }
}

.contact {
  margin: 32px 0;
  text-align: center;
  font-size: 1.1em;
}

.footer {
  background: linear-gradient(90deg, #ff8800 0%, #ffb366 100%);
  color: white;
  text-align: center;
  padding: 16px 0;
  font-size: 1em;
  letter-spacing: 0.04em;
  box-shadow: 0 -2px 12px rgba(255, 136, 0, 0.08);
  margin-top: 40px;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
}


@media (max-width: 600px) {
  .pc {
    display: none;
  }
  .top {
    height: 220px;
    border-radius: 0 0 14px 14px;
    padding: 0 4vw 36px 4vw;
    justify-content: flex-end;
    background-position: center top 40%;
    box-shadow: 0 2px 10px rgba(255, 136, 0, 0.10);
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.15);
  }
  .main-title {
    font-size: 1.4em;
    margin-top: 14px;
    padding: 0 2vw;
    line-height: 1.12;
    letter-spacing: 0.03em;
  }
}