html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  color: #282017;
  background: #fffdf8;
  line-height: 1.8;
}

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

/* HEADER */
.header {
  position: absolute;
  z-index: 100;
  top: 0;
  width: 100%;
  padding: 22px 6%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.2);
  color: white;
}

.logo {
  font-family: Georgia, serif;
  font-size: 25px;
  letter-spacing: 3px;
}

.logo span,
.footer span {
  color: #e7bd68;
}

.navigation {
  display: flex;
  gap: 25px;
}

.navigation a {
  font-size: 11px;
  letter-spacing: 2px;
  transition: .3s;
}

.navigation a:hover {
  color: #e7bd68;
}

/* HERO */
.hero {
  min-height: 850px;
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #21180f;
  color: white;
}

.hero-image {
  position: absolute;
  inset: 0;
  background-image: url("https://yuzu-official.com/uploads/posts/thumbnail/20261022/088bc2db-23d8-4c62-80bd-8ac6e61d343a.jpg");
  background-size: cover;
  background-position: center;
  animation: zoom 12s ease-out;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(15,12,9,.75),
    rgba(15,12,9,.25)
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 30px;
  animation: fadeUp 1.2s ease;
}

.eyebrow {
  color: #e7bd68;
  font-size: 11px;
  letter-spacing: 5px;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: Georgia, serif;
  font-size: clamp(55px, 10vw, 110px);
  font-weight: 400;
  letter-spacing: 5px;
}

.hero h1 span {
  color: #e7bd68;
}

.gold-line {
  width: 60px;
  height: 1px;
  background: #e7bd68;
  margin: 30px auto;
}

.hero-message {
  font-size: 21px;
  letter-spacing: 3px;
}

.hero-sub {
  margin-top: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.8);
}

.hero-button {
  display: inline-block;
  margin-top: 40px;
  padding: 15px 35px;
  border: 1px solid #e7bd68;
  color: white;
  letter-spacing: 3px;
  font-size: 11px;
  transition: .4s;
}

.hero-button:hover {
  background: #e7bd68;
  color: #21180f;
}

.scroll {
  position: absolute;
  bottom: 30px;
  color: #e7bd68;
  font-size: 10px;
  letter-spacing: 4px;
}

/* INTRODUCTION */
.introduction {
  padding: 120px 20px;
  text-align: center;
}

.dark {
  color: #b68b43;
}

.introduction h2,
.message h2 {
  font-size: clamp(28px, 4vw, 43px);
  font-weight: 500;
  letter-spacing: 5px;
  line-height: 1.8;
  margin-bottom: 25px;
}

.introduction p:last-child {
  color: #857968;
  font-size: 14px;
  line-height: 2.5;
}

/* CONTENTS */
.contents {
  padding: 110px 7%;
  background: #f5f0e7;
}

.section-title {
  text-align: center;
  margin-bottom: 55px;
}

.section-title h2 {
  font-family: Georgia, serif;
  font-size: 42px;
  font-weight: 400;
  letter-spacing: 3px;
}

.contents-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.content-card {
  position: relative;
  grid-column: span 2;
  min-height: 240px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  color: white;
  background: linear-gradient(135deg,#9d7848,#35271b);
  transition: .4s;
  opacity: 0;
  transform: translateY(25px);
}

.content-card:nth-child(4) {
  grid-column: 2 / span 2;
}

.content-card:nth-child(5) {
  grid-column: 4 / span 2;
}

.content-card.show {
  opacity: 1;
  transform: translateY(0);
}

.content-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0,0,0,.15);
}

.content-card span {
  color: #e7bd68;
  font-size: 10px;
  letter-spacing: 2px;
}

.content-card h3 {
  margin-top: 10px;
  font-family: Georgia, serif;
  font-size: 27px;
  font-weight: 400;
}

.content-card p {
  font-size: 12px;
  color: rgba(255,255,255,.8);
}

.content-card b {
  position: absolute;
  right: 25px;
  bottom: 25px;
  color: #e7bd68;
  font-size: 20px;
}

/* MESSAGE */
.message {
  padding: 120px 20px;
  text-align: center;
}

.message > p:not(.eyebrow) {
  color: #887866;
}

.message strong {
  display: block;
  margin-top: 35px;
  color: #b68b43;
  letter-spacing: 5px;
  font-family: Georgia, serif;
}

/* FOOTER */
.footer {
  padding: 65px 20px 35px;
  background: #211a13;
  color: white;
  text-align: center;
}

.footer h2 {
  font-family: Georgia, serif;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: 4px;
}

.footer p {
  margin-top: 12px;
  color: #d6b978;
  font-size: 11px;
  letter-spacing: 2px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 25px;
  margin: 35px 0;
}

.footer-nav a {
  font-size: 11px;
}

.footer-nav a:hover {
  color: #e7bd68;
}

.footer .copyright {
  padding-top: 25px;
  border-top: 1px solid rgba(255,255,255,.15);
  font-size: 9px;
}

.footer small {
  color: #938575;
  font-size: 10px;
}

/* ANIMATION */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(35px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zoom {
  from { transform: scale(1.1); }
  to { transform: scale(1); }
}

/* MOBILE */
@media(max-width: 800px) {
  .header {
    padding: 18px 5%;
    flex-direction: column;
    gap: 15px;
  }

  .logo {
    font-size: 21px;
  }

  .navigation {
    gap: 13px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .navigation a {
    font-size: 9px;
  }

  .hero {
    min-height: 700px;
  }

  .hero h1 {
    font-size: 52px;
  }

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

  .contents-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .content-card,
  .content-card:nth-child(4),
  .content-card:nth-child(5) {
    grid-column: auto;
    min-height: 190px;
    padding: 17px;
  }

  .content-card h3 {
    font-size: 18px;
  }

  .introduction,
  .message {
    padding: 80px 20px;
  }

  .contents {
    padding: 80px 5%;
  }
}

@media(max-width: 430px) {
  .navigation {
    gap: 9px;
  }

  .navigation a {
    font-size: 8px;
    letter-spacing: 1px;
  }

  .hero h1 {
    font-size: 43px;
  }

  .hero-message {
    font-size: 14px;
  }
}

@media(prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
/* テキスト選択を禁止 */
* {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* 画像のドラッグを禁止 */
img {
  -webkit-user-drag: none;
  user-drag: none;
}