@import url("https://fonts.googleapis.com/css2?family=Niconne&family=Playfair+Display:ital,wght@0,400..900;1,400..900&display=swap");

/* // <weight>: Use a value from 400 to 900 */

.niconne-regular {
  font-family: "Niconne", serif;
  font-weight: 400;
  font-style: normal;
}

.playfair-display-400 {
  font-family: "Playfair Display", serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.07rem;
}

.zen-old-mincho-regular {
  font-family: "Zen Old Mincho", serif;
  font-weight: 400;
  font-style: normal;
}

:root {
  --header_height: 4rem;
  --right_clip-path: ;
  --white_color: #fdfdfd;
  --white_color_a: rgba(253, 253, 253, 0.75);
  --black_color: #1a1a1a;
  --black_color_a: rgba(26, 26, 26, 0.75);
  --orange_color: #fb6400;
  --gray_color: #6D7A79;
  --main_color_r: #6ee1d8;
  --main_color_r_a: rgba(110, 225, 216, 0.8);
  --main_color_b: #007b9d;
  --main_color_b_a: rgba(0, 123, 157, 0.8);

  --footer_color: #1D3331;
  

  --font-size_0: 3rem;          /* 48px 6/2*/
  --font-size_1: 2rem;          /* 32px 6/3*/
  --font-size_2: 1.5rem;        /* 24px 6/4*/
  --font-size_3: 1.2rem;       /* 19.2px 6/5*/
  --font-size_4: 1rem;         /* 16px 6/6*/
  --font-size_5: 0.85714rem;   /* 13.71427px 6/7*/
  --font-size_6: 0.75rem;      /* 12px 6/8*/
  --font-size_7: 0.66667rem;   /* 10.66672px 6/9*/

  --waveSVG_height: 134px;

}

/* -------------------------------------------------- */
/* General Styles */
/* -------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  color: var(--white_color);
  background-color: var(--white_color);
  overflow-x: hidden;

  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

a {
  text-decoration: none;
  color: var(--black_color);
}

/* -------------------------------------------------- */
/* header */
/* -------------------------------------------------- */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--font-size_5) var(--font-size_2);
  background: var(--main_color_r);
  position: fixed;
  width: 100vw;
  height: var(--header_height);
  z-index: 1000;
  top: 0;
  transition: background-color 0.3s ease;
}

.logo {
  /* flex: 1; */
  text-align: center;
  margin: auto 0;
}

.logo a {
  font-size: var(--font-size_2);
  color: var(--black_color);
  padding: 0 12px;
  text-align: center;
  margin: 0 auto;
}

.tagline {
  font-size: 2rem;
}

.navigation {
  flex: 1;
  display: none;
  order: -1;
  gap: var(--font-size_2);
  text-align: left;
  background-color: var(--main_color_r);
  position: absolute;
  top: var(--header_height);
  left: 0;
  padding: var(--font-size_5) var(--font-size_1);
  border-radius: 0 0 1vh 1vh;
}

.navigation a {
  text-align: center;
  font-size: var(--font-size_4);
  transition: color 0.3s;
}

.navigation a:hover {
  color: var(--main_color_b);
}

.header-contact {
  flex: 1;
  text-align: right;
  font-size: var(--font-size_4);
}

.navigation.active {
  display: flex;
  flex-direction: column;
}
/* ハンバーガーメニューのデザイン */
.hamburger-menu {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger-menu span {
  width: var(--font-size_2);
  height: 2px;
  background: black;
  transition: 0.3s;
  border-radius: 2px;
}
/* メニューが開いたときのハンバーガーアイコン */
.hamburger-menu.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* 実装中の項目 */

.maintenance {
  background-color: var(--gray_color);
  color: white;
  width: 100%;
}

/* .maintenance:before {
  content: "🔧";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
} */

/* 実装中項目にアニメーションを加える */
.maintenance {
  animation: blink 1.5s infinite;
}
 /* 点滅アニメーション */
 @keyframes blink {
  0% {
      opacity: 1;
  }
  50% {
      opacity: 0.5;
  }
  100% {
      opacity: 1;
  }
}

/* -------------------------------------------------- */
/* footer */
/* -------------------------------------------------- */
.footer {
  background-color: var(--footer_color);
  color: white;
  padding: 20px 0;
  text-align: center;
  width: 100vw;
}

.footer-container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

.footer-title {
  margin-bottom: 10px;
  font-size: 24px;
}

.footer-nav {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 15px;
}

.footer-nav li a {
  color: white;
  text-decoration: none;
}

.footer-social {
  margin-top: 15px;
}

.footer-social a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}

.footer-copy {
  margin-top: 20px;
  font-size: 14px;
}

@media screen and (max-width: 768px) {
  /* === headerDesign === */
  .header {
    padding: var(--font-size_6) var(--font-size_2);
    height: calc(var(--header_height) - 1rem);
  }

  .logo a {
    font-size: var(--font-size_3);
  }

  .navigation {
    top: calc(var(--header_height) - 1rem);
  }

  .navigation a {
    font-size: var(--font-size_5);
  }

  .header-contact {
    font-size: var(--font-size_5);
  }
}