@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;600&family=Noto+Sans+JP:wght@300;400&display=swap");
body {
  font-family: "Noto Sans JP", sans-serif;
  background: var(--deep-water);
  color: var(--white);
  overflow-x: hidden;
}

:root {
  --accent: #4a9bb5;
  /* 青緑色 */
  ---water-mid: #0d2240;
  --deep-water: #0a1628;
  --water-mid: #0d2240;
  --water-light: #1a3a5c;
  --ceramic: #c8b89a;
  --steam: #e8e4dc;
  --white: #f5f3ef;
  --accent-dark: #2d7a94;
}

.wrapper {
  overflow-x: hidden;
}
.wrapper header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  background: transparent;
  transition: background 0.4s ease, padding 0.4s ease;
}
.wrapper header.scrolled {
  background: rgba(10, 22, 40, 0.95);
  padding: 14px 32px;
  border-bottom: 1px solid rgba(74, 155, 181, 0.2);
}
.wrapper header h1 {
  font-size: 1.4rem;
  letter-spacing: 0.15em;
}
.wrapper header h1 a {
  color: #fff;
  text-decoration: none;
}
.wrapper header nav ul {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style-type: none;
}
.wrapper header nav ul .btn-one a {
  font-size: 1.6rem;
  background-color: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
  letter-spacing: 0.05em;
  transition: background 0.3s;
}
.wrapper header nav ul .btn-one a:hover {
  background-color: var(--accent-dark);
}
.wrapper header nav ul .btn-two a {
  font-size: 1.6rem;
  background-color: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
  letter-spacing: 0.05em;
  transition: border-color 0.3s;
  border: none;
}
.wrapper header nav ul .btn-two a:hover {
  background-color: var(--accent-dark);
}
.wrapper .sec_1 {
  position: relative;
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.wrapper .sec_1::after {
  content: "";
  position: absolute;
  inset: -10%;
  background-image: url(../image/image_1.jpg);
  background-size: cover;
  background-position: center;
  animation: kenburns 12s ease-in-out infinite alternate;
  z-index: 0;
}
.wrapper .sec_1::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, #0a1628 0%, transparent 15%, transparent 75%, #0a1628 100%), rgba(56, 82, 121, 0.45);
  z-index: 1;
}
.wrapper .sec_1 h2,
.wrapper .sec_1 p,
.wrapper .sec_1 .reserve {
  position: relative;
  z-index: 2;
}
.wrapper .sec_1 h2,
.wrapper .sec_1 p {
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
}
.wrapper .sec_1 h2 {
  text-align: center;
  font-weight: 300;
  line-height: 1.7;
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 300;
  color: var(--ceramic);
  letter-spacing: 0.3em;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}
.wrapper .sec_1 h2 .spn_1 {
  font-size: 12rem;
  font-family: "Noto Serif JP", serif;
}
.wrapper .sec_1 h2 .spn_2 {
  font-size: 4rem;
  font-family: "Noto Serif JP", serif;
}
.wrapper .sec_1 h2 .spn_3 {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(20px, 4vw, 36px);
  font-weight: 300;
  line-height: 1.7;
  color: var(--white);
  margin-top: 32px;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
  letter-spacing: 0.05em;
}
.wrapper .sec_1 p {
  text-align: center;
  font-size: 1.3rem;
  color: rgba(245, 243, 239, 0.5);
  letter-spacing: 0.2em;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}
.wrapper .sec_1 .reserve {
  margin-top: 30px;
}
.wrapper .sec_1 .reserve .cta-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 48px;
  background: var(--accent);
  color: var(--deep-water);
  text-decoration: none;
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.1em;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
}
.wrapper .sec_1 .reserve .cta-btn .btn_three {
  font-size: 1.1rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 300;
  letter-spacing: 0.15em;
  opacity: 0.8;
}
.wrapper .sec_1 .reserve .cta-btn:hover {
  background: var(--accent-dark);
  color: var(--white);
  transform: translateY(-2px);
}
.wrapper .sec_2 {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 24px;
}
.wrapper .sec_2 .text_1 {
  font-size: 1.1rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.wrapper .sec_2 h2 {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--white);
  margin-bottom: 24px;
}
.wrapper .sec_2 .text_2 {
  font-size: 1.5rem;
  line-height: 2;
  color: rgba(245, 243, 239, 0.7);
}
.wrapper .sec_2 .sec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}
.wrapper .sec_2 .sec-grid .water-specs {
  border-left: 1px solid var(--accent);
  padding-left: 24px;
}
.wrapper .sec_2 .sec-grid .water-specs .specs-label {
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  color: var(--ceramic);
  font-weight: 300;
}
.wrapper .sec_2 .sec-grid .water-specs .specs-num {
  font-family: "Noto Serif JP", serif;
  font-size: 4rem;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
  margin: 4px 0 8px;
}
.wrapper .sec_2 .sec-grid .water-specs .specs-desc {
  font-size: 1.3rem;
  line-height: 1.8;
  color: rgba(245, 243, 239, 0.6);
}
.wrapper .sec_3 {
  padding: 80px 24px;
  background: var(--deep-water);
}
.wrapper .sec_3 .sec_inner {
  max-width: 960px;
  margin: 0 auto;
}
.wrapper .sec_3 .sec_inner .sec_inner_text {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.wrapper .sec_3 .sec_inner h2 {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 300;
  line-height: 1.6;
  color: var(--white);
  margin-bottom: 24px;
}
.wrapper .sec_3 .sec_inner .sec_inner_contents {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 40px;
}
.wrapper .sec_3 .sec_inner .sec_inner_contents .card {
  background: var(--water-mid);
  padding: 32px 24px;
  transition: background 0.3s;
}
.wrapper .sec_3 .sec_inner .sec_inner_contents .card h3 {
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 300;
  color: var(--ceramic);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}
.wrapper .sec_3 .sec_inner .sec_inner_contents .card p {
  font-size: 13px;
  color: rgba(245, 243, 239, 0.6);
  line-height: 1.9;
}
.wrapper .sec_4 {
  background: linear-gradient(135deg, var(--water-light) 0%, var(--water-mid) 100%);
  padding: 80px 24px;
  text-align: center;
}
.wrapper .sec_4 .exclusive-badge {
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.3em;
  padding: 6px 20px;
  margin-bottom: 32px;
  max-width: 120px;
  margin: 0 auto;
  display: inline-block;
}
.wrapper .sec_4 h2 {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 300;
  line-height: 1.7;
  margin-top: 40px;
  margin-bottom: 40px;
  color: var(--white);
}
.wrapper .sec_4 .list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
  text-align: left;
  max-width: 640px;
  margin: 0 auto 48px;
}
.wrapper .sec_4 .list .list_text {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 243, 239, 0.85);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(10, 22, 40, 0.4);
  border-left: 2px solid var(--accent);
}
.wrapper .sec_4 .list .list_text .list_mark {
  color: var(--accent);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}
.wrapper .sec_4 .list .list_text strong {
  color: var(--white);
}
.wrapper .sec_4 .reserve .cta-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 48px;
  background: var(--accent);
  color: var(--deep-water);
  text-decoration: none;
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.1em;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
}
.wrapper .sec_4 .reserve .cta-btn .btn_three {
  font-size: 1.1rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 300;
  letter-spacing: 0.15em;
  opacity: 0.8;
}
.wrapper .sec_4 .reserve .cta-btn:hover {
  background: var(--accent-dark);
  color: var(--white);
  transform: translateY(-2px);
}

footer {
  background: var(--deep-water);
  padding: 80px 24px;
  text-align: center;
}
footer .footer_text {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 300;
  line-height: 1.8;
  color: var(--white);
  margin-bottom: 40px;
}
footer .reserve .cta-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 48px;
  background: var(--accent);
  color: var(--deep-water);
  text-decoration: none;
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.1em;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
}
footer .reserve .cta-btn .btn_three {
  font-size: 1.1rem;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 300;
  letter-spacing: 0.15em;
  opacity: 0.8;
}
footer .reserve .cta-btn:hover {
  background: var(--accent-dark);
  color: var(--white);
  transform: translateY(-2px);
}
footer .footer_logo_text {
  margin-top: 24px;
  font-size: 12px;
  letter-spacing: 0.1em;
}
footer .footer_logo_text a {
  color: rgba(245, 243, 239, 0.4);
  text-decoration: none;
}
footer .footer_logo_text a:hover {
  color: var(--white);
  transition: all 0.5s ease;
}
footer small {
  display: inline-block;
  font-size: 1.2rem;
  margin-top: 45px;
}

@keyframes kenburns {
  from {
    transform: scale(1) translateY(0);
  }
  to {
    transform: scale(1.08) translateY(-2%);
  }
}
/* 768px以下 */
@media (max-width: 768px) {
  .wrapper header {
    padding: 14px 16px;
  }
  .wrapper header.scrolled {
    padding: 10px 16px;
  }
  .wrapper header h1 {
    font-size: 1.1rem;
    letter-spacing: 0.05em;
  }
  .wrapper header nav ul {
    gap: 6px;
  }
  .wrapper header nav ul .btn-one a,
  .wrapper header nav ul .btn-two a {
    font-size: 1rem;
    padding: 8px 12px;
  }
  .sec_1 {
    height: 100svh;
  }
  .sec_1 h2 {
    letter-spacing: 0.15em;
  }
  .sec_1 h2 .spn_1 {
    font-size: 8rem;
  }
  .sec_1 h2 .spn_2 {
    font-size: 2.8rem;
  }
  .sec_1 h2 .spn_3 {
    font-size: clamp(18px, 5vw, 28px);
    margin-top: 20px;
    margin-bottom: 32px;
  }
  .sec_1 .reserve {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  .wrapper .sec_1 .reserve .cta-btn {
    padding: 16px 32px;
    font-size: 14px;
    width: 80%;
    text-align: center;
    display: flex;
    margin: 0 auto;
    max-width: 250px;
  }
  .wrapper .sec_2 {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 60px 24px;
  }
  .wrapper .sec_2 .sc2_text {
    margin-bottom: 40px;
  }
  .wrapper.sec_2 .sec-grid {
    gap: 28px;
    margin-top: 0;
  }
  .wrapper.sec_2 .sec-grid .water-specs .specs-num {
    font-size: 5.6rem;
  }
  .wrapper.sec_2 .sec-grid .water-specs .specs-label {
    font-size: 1.6rem;
  }
  .wrapper.sec_2 .sec-grid .water-specs .specs-desc {
    font-size: 1.6rem;
  }
  .sec_3 {
    padding: 60px 20px;
  }
  .sec_3 .sec_inner h2 {
    font-size: clamp(20px, 4vw, 28px);
  }
  .sec_3 .sec_inner .sec_inner_contents {
    margin-top: 28px;
  }
  .sec_3 .sec_inner .sec_inner_contents .card {
    padding: 20px 16px;
  }
  .sec_4 {
    padding: 60px 20px;
  }
  .sec_4 h2 {
    font-size: clamp(20px, 4vw, 28px);
  }
  .sec_4 .list {
    max-width: 100%;
  }
  .sec_4 .reserve {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  .sec_4 .reserve .cta-btn {
    padding: 16px 32px;
    font-size: 14px;
    width: 80%;
    text-align: center;
    display: flex;
    margin: 0 auto;
    max-width: 250px;
  }
  footer {
    padding: 60px 20px;
  }
  footer .reserve {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  footer .reserve .cta-btn {
    padding: 16px 32px;
    font-size: 14px;
    width: 80%;
    text-align: center;
    display: flex;
    margin: 0 auto;
    max-width: 250px;
  }
}
/* 480px以下 */
@media (max-width: 480px) {
  .wrapper header nav ul .btn-two {
    display: none;
  }
  .sec_1 h2 .spn_1 {
    font-size: 7rem;
  }
  .sec_1 h2 .spn_3 {
    font-size: 18px;
    margin-top: 16px;
    margin-bottom: 24px;
  }
  .cta-btn {
    width: 90%;
    padding: 18px 24px;
    text-align: center;
    display: flex;
    margin: 0 auto;
    max-width: 250px;
  }
  .sec_2 {
    padding: 48px 20px;
  }
  .sec_2 h2 {
    font-size: clamp(20px, 5vw, 28px);
  }
  .sec_2 .text_2 {
    font-size: 1.3rem;
  }
  .wrapper .sec_2 .sec-grid .water-specs .specs-num {
    font-size: 3.6rem;
  }
  .wrapper .sec_2 .sec-grid .water-specs .specs-label {
    font-size: 1.2rem;
  }
  .wrapper .sec_2 .sec-grid .water-specs .specs-desc {
    font-size: 1.2rem;
  }
  .wrapper .sec_3 {
    padding: 48px 20px;
  }
  .wrapper .sec_3 .sec_inner .sec_inner_contents {
    grid-template-columns: 1fr;
  }
  .wrapper .sec_3 .sec_inner .sec_inner_contents .card {
    padding: 24px 20px;
  }
  .wrapper .sec_3 .sec_inner .sec_inner_contents .card h3 {
    font-size: 16px;
  }
  .wrapper .sec_3 .sec_inner .sec_inner_contents .card p {
    font-size: 12px;
  }
  .sec_4 {
    padding: 48px 16px;
  }
  .sec_4 h2 {
    font-size: clamp(18px, 5vw, 24px);
  }
  .sec_4 .reserve .cta-btn {
    width: 90%;
    padding: 18px 24px;
    max-width: 250px;
  }
  footer {
    padding: 48px 16px;
  }
  footer .footer_text {
    font-size: clamp(18px, 5vw, 24px);
  }
  footer .reserve .cta-btn {
    width: 90%;
    padding: 18px 24px;
    max-width: 250px;
  }
}/*# sourceMappingURL=style.css.map */