/* 全体設定 */
@charset "utf-8";

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Source Sans Pro', sans-serif;
  background: #F7F7F7;
  color: #222222;
}

a {
  color: #222222;
  text-decoration: none;
}

/*bg*/
.bg-circles {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden;
  z-index: 0;
}

.circle {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(199, 190, 181, 0.4);
  opacity: 0;
  animation: moveCircle 18s linear infinite;
}

.circle1 {
  width: 120px; height: 120px;
  bottom: -100px; left: 10%;
  animation-delay: 0s;
  animation-duration: 20s;
}

.circle2 {
  width: 200px; height: 200px;
  bottom: -150px; left: 35%;
  animation-delay: 3s;
  animation-duration: 22s;
}

.circle3 {
  width: 250px; height: 250px;
  bottom: -120px; left: 60%;
  animation-delay: 6s;
  animation-duration: 25s;
}

.circle4 {
  width: 180px; height: 180px;
  bottom: -180px; left: 20%;
  animation-delay: 9s;
  animation-duration: 23s;
}

.circle5 {
  width: 300px; height: 300px;
  bottom: -200px; left: 75%;
  animation-delay: 12s;
  animation-duration: 26s;
}

@keyframes moveCircle {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  50% {
    transform: translate(-100px, -600px) scale(1.1) rotate(10deg);
    opacity: 0.2;
  }
  80% {
    transform: translate(-200px, -1200px) scale(1.2) rotate(-5deg);
    opacity: 0.1;
  }
  100% {
    transform: translate(-300px, -1800px) scale(1.3) rotate(15deg);
    opacity: 0;
  }
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 20px 0;
  position: fixed;
  width: 100%;
  z-index: 1000;
  background: transparent;
}

.logo {
  margin-left: 30px;
}

.logo a {
  font-size: 1.2rem;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 40px;
  margin-right: 30px;
}

.nav a {
  font-size: 1rem;
  display: flex;
  align-items: center;
}

.nav a.insta img {
  width: 20px;
  height: 20px;
  display: block;
}

.nav a {
  position: relative;
  font-size: 1rem;
  display: flex;
  align-items: center;
  color: #222222;
  text-decoration: none;
  overflow: hidden;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0px;
  width: 0;
  height: 1px;
  background: #222222;
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

.nav a.insta:hover::after {
  width: 0%;
}

/*footer*/
.footer {
  background: #f2f0ee;
  padding: 50px 30px 10px;
  color: #222;
  font-size: 14px;
  position: relative;
  z-index: 10;
}

.footer-contact {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.footer-contact-btn {
  display: flex;
  align-items: center;
  border: 1px solid #A89F96;
  padding: 16px 150px;
  text-decoration: none;
  color: #A89F96;
  font-size: 28px;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
}

.footer-contact-btn:hover {
  background: #A89F96;
  color: #fff;
}

.footer-mail-icon {
  width: 24px;
  height: 24px;
  margin-right: 12px;
}

.footer-contact-btn:hover .footer-mail-icon {
  content: url('../img/icon-mail-hover.svg');
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 12px;
  color: #666;
}

.footer-nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #222;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: #999;
}

.footer-message {
  text-align: center;
  font-size: 16px;
  color: #666;
  margin-bottom: 30px;
  line-height: 1.6;
}

@media (max-width: 1000px) {

  .header {
    width: 100%;
    flex-direction: column;
    justify-content: center;
  }

  .logo {
    margin-left: 0;
    margin-bottom: 10px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 20px;
    margin-right: 0;
  }

  .nav a {
    font-size: 1.1rem;
  }

  .footer {
    max-width: 100%;
    align-items: center;
    padding: 15px 12px;
  }


  .footer-contact-btn {
    font-size: 18px;
    width: 100%;
    padding: 20px 0;
    justify-content: center;
  }

  .footer-message {
    font-size: 9px; /* フォントサイズ調整 */
  }

  .footer-contact {
    margin-bottom: 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .footer-nav a {
    margin-left: 20px;
    font-size: 0.9rem;
  }
}