html {
  background: #f0f0f0;
  scroll-behavior: smooth;
}

body {
  margin: 0 0 30px 0;
  color: #000;
  background: #f0f0f0;
  line-height: 1.6;
  font-size: 15px;
  font-family: "Noto Sans JP", system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  opacity: 0;
  transition: opacity 2.0s ease, transform 2.0s ease;
  font-weight: 300;
  letter-spacing: 0.08em;
}

body.loaded {
  opacity: 1;
}

main {
  margin: 0 30px;
}


/*****　ヘッダー　*****/
.site-header {
  background: #242942;
  color: #fff;
  padding: 6px 5px 6px 10px;
  position: sticky;
  top: 0;
  overflow: visible;
  z-index: 1000;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.logo-title {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-inner {
  display: flex;
  align-items: center;
  position: relative;
  margin: 0;
}

.site-logo {
  width: 60px;
  height: auto;
  display: block;
  flex-shrink: 0;
  object-fit: contain;
  will-change: transform;
  margin: 0 10px;
}

.site-title {
  font-size: 20px;
  font-weight: 300;
  /*white-space: nowrap;*/
}

.header-right {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: 0;
}

/* SNSアイコンをヘッダー右上に配置 */
.sns-links {
  display: flex;
  gap: 12px;
  margin-left: auto;
  margin-right: 20px;
  margin-top: 6px;
  /* ナビの前に右寄せ */
  align-items: center;
}

.sns-links img {
  width: 40px;
  /* アイコンサイズ */
  height: 40px;
  border-radius: 10px;
  transition: transform 0.1s ease;
}

.sns-links img:hover {
  transform: scale(1.1);
}

/***** ナビ　*****/
.nav-toggle {
  display: none;
}

.main-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
}

.main-nav .nav-link {
  display: inline-block;
  padding: 10px 14px;
  margin: 5px 3px;
  text-decoration: none;
  background: transparent;
  color: #fff;
  transition: 0.3s;
}

.main-nav .nav-link:hover,
.main-nav .nav-link:focus {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.main-nav .nav-link.active {
  border-bottom: solid 4px #907e6e;
  transform: translateY(-2px);
}

.main-nav .nav-link.active:hover,
.main-nav .nav-link.active:focus {
  outline: none;
}

.nav-sublist {
  display: none;
}


/***** ヒーロー *****/
.hero {
  height: 500px;
  /* 高さ */
  background-image: url("images/header.jpg");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 60px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.6);
  /* ← 白の強さ */
}

/* 中の文字を前面に */
.hero>* {
  position: relative;
}

.hero-title {
  font-size: 50px;
  text-align: center;
  font-weight: 600;
  font-family: "Roboto Slab", serif;
}

.hero-subtitle {
  font-size: 30px;
}

/* 下に白へフェード */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: linear-gradient(to bottom,
      rgba(240, 240, 240, 0),
      rgba(240, 240, 240, 1));
}


/***** 本文 *****/
.about-block {
  margin: 60px 0;
  padding: 0 20px;
}

#about-heading {
  border-bottom: solid 2px #907e6e;
  text-align: center;
  margin: 60px 60px 0 60px;
  font-size: 20px;
  font-weight: 300;
  font-family: "Roboto Slab", serif;
}

.about-block h4 {
  font-size: 17px;
  margin: 10px 0;
  color: #001349;
  border-left: solid 6px #907e6e;
  padding-left: 20px;
  font-weight: 500;
}

.about-ex {
  text-align: center;
}

.normal-list {
  padding-left: 0;
  margin-top: 20px;
}

.normal-list li {
  list-style: none;
  padding: 10px 0;
  border-bottom: 1px solid #ccc;
  line-height: 1.7;
}

.note {
  font-size: 0.9em;
  color: #777;
}


/***** 写真 *****/
.about-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px;
  margin: 40px 60px;
  justify-items: center;
}

.about-images figure {
  margin: 0;
  text-align: center;
}

.about-images img {
  width: 100%;
  border: 8px solid #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.about-images figcaption {
  margin-top: 10px;
  font-size: 0.8em;
  color: #777;
  letter-spacing: 0.05em;
}

.about-images img:hover {
  transform: scale(1.02);
}


/***** Instagram *****/
.instagram-wrapper {
  display: flex;
  justify-content: center;
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 100px;
}

.instagram-media {
  max-width: 300px !important;
  border-radius: 5px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.instagram-media:hover {
  transform: scale(1.02);
}

/***** Q-A *****/
.faq-list {
  list-style: none;
  padding-left: 0;
}

.q-list {
  position: relative;
  padding-left: 40px;
  margin-top: 30px;
}

.q-list::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #001349;
  color: #fff;
  font-size: 14px;
  text-align: center;
  line-height: 26px;
}

.a-list {
  position: relative;
  padding-left: 40px;
  margin-top: 10px;
  margin-bottom: 20px;
  color: #777;
}

.a-list::before {
  content: "A";
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #907e6e;
  color: #fff;
  font-size: 14px;
  text-align: center;
  line-height: 26px;
}


/***** フッター *****/
footer {
  color: #001349;
  text-align: center;
  margin: 0 10px 0 20px;
  padding: 5px 0;
  font-size: 10px;
  letter-spacing: 0.12em;
}

* {
  box-sizing: border-box;
}

.sp-only {
  display: none;
}

.gray {
  color: #777;
}

.anchor {
  scroll-margin-top: 120px;
}


/***** レスポンシブ *****/
@media (max-width: 1060px) {
  main {
    margin: 0 7px;
  }

  .main-nav ul {
    position: fixed;
    top: 72px;
    right: 0;
    width: 210px;
    height: 100%;
    background: #242942;
    border-left: solid #907e6e 5px;

    display: flex;
    align-items: flex-start;
    flex-direction: column;
    padding: 20px 20px;
    margin: 0;

    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .main-nav ul.open {
    transform: translateX(0);
  }

  .main-nav .nav-link {
    padding: 6px 10px 2px 10px;
    margin: 0;
  }

  .nav-sublist {
    display: block;
    font-size: 12px;
    text-align: left;
    margin-top: 6px;
    margin-bottom: 24px;
  }

  .nav-sublist a {
    color: #fff;
    text-decoration: none;
  }

  .nav-sublist a:hover,
  .nav-sublist a:focus {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
  }

  .nav-toggle {
    color: #fff;
    display: flex;
    font-size: 40px;
    background-color: #242942;
    border: none;
    cursor: pointer;
    margin-left: auto;
    margin-right: 12px;
    padding: 0;
    outline: none;
    justify-content: flex-end;
  }

  .nav-toggle img {
    width: 40px;
    height: 50px;
  }

  .about-images {
    margin: 30px 20px;
    gap: 20px;
  }

  .about-images img {
    max-width: 300px;
  }

  .instagram-grid {
    gap: 50px;
  }

  .instagram-media {
    width: 100% !important;
    max-width: 300px !important;
    min-width: 0 !important;
  }

}

@media (max-width: 700px) {

  main {
    margin: 0 10px;
    padding-bottom: 20px;
    font-size: 14px;
  }

  .main-nav ul {
    top: 55px;
    width: 180px;
    padding: 20px 20px;
    margin: 0;
  }

  .nav-sublist {
    font-size: 11px;
    margin-top: 4px;
    margin-bottom: 12px;
  }

  .hero {
    height: 300px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .site-title {
    font-size: 15px;
    font-weight: 200;
    margin-top: 0;
    line-height: 1.1;
  }

  .logo-title {
    gap: 4px;
  }

  .nav-toggle {
    font-size: 28px;
    margin-left: 10px;
    margin-right: 12px;
  }

  .nav-toggle img {
    width: 32px;
    height: 40px;
  }

  .site-logo {
    width: 40px;
  }

  .sns-links {
    gap: 8px;
    margin-right: 0;
  }

  .sns-links img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }

  .about-block {
    padding: 0 10px;
  }

  .about-block h4 {
    font-size: 15px;
    border-left: solid 3px #907e6e;
    padding-left: 15px;
  }

  #about-heading {
    font-size: 17px;
  }

  ul li {
    font-size: 14px;
  }

  .about-images {
    grid-template-columns: 1fr;
    margin: 30px 10px;
    gap: 20px;
  }

  .about-images img {
    max-width: 300px;
  }

  .instagram-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 10px;
  }

  footer {
    font-size: 10px;
  }

  .sp-hide {
    display: none;
  }

  .sp-small {
    font-size: 8px;
  }

  .sp-only {
    display: block;
  }

  .anchor {
    scroll-margin-top: 80px;
  }

}

@media (max-width: 360px) {
  .site-title {
    font-size: 13px;
  }

  .main-nav ul {
    top: 52px;
  }

  .sns-links {
    gap: 6px;
  }

  .sns-links img {
    width: 28px;
    height: 28px;
    border-radius: 7px;
  }

}