.fixed-header{
  position: fixed;
  width: 100%;
  height: 20vw;
  transition: 2.5s;
  z-index: 15;
 /* background-color: #c6307a;
  padding-top:0 auto;
  padding-bottom:0 auto;
  padding-left:3vw;
  top:0vw;
  left:0vw;*/
     /* 市松模様の背景 */
    background-image: 
       linear-gradient(45deg, #b91b21 25%, transparent 25%),
        linear-gradient(-45deg, #b91b21 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #b91b21 75%),
        linear-gradient(-45deg, transparent 75%, #b91b21 75%);
    background-size: 30px 30px;
    background-position: 0 0, 0 15px, 15px -15px, -15px 0px;
    background-color: #241c3a;
    
    /* ヘッダーの基本スタイル */
    padding: 15px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}


.line:nth-of-type(1) {
  top: 18%;
  position:absolute;
}

.line:nth-of-type(2) {
  top: 50%;
  transform: translateY(-50%);
  position: absolute;
}

.line:nth-of-type(3) {
  bottom: 0;
  top:70%;
  position: absolute;
}

.hamburger-menu {
  cursor: pointer;
}

.hamburger-menu.active > .line:nth-of-type(1) {
  top: 18%;
  transform: translateY(-50%) rotate(45deg);
}

.hamburger-menu.active > .line:nth-of-type(2) {
  display: none;
  top: 50%;
  position: absolute;
}

.hamburger-menu.active > .line:nth-of-type(3) {
  transform: translateY(-50%) rotate(-45deg);
  top:70%;
  position: absolute;
}

.menu-btn {
  /*position: fixed;
 
  display: flex;
  height:18vw;
  width:20vw;
  justify-content: center;
  align-items: center;
  z-index: 190;*/
   top: -2.3vw;
  right: -70vw;
   background-color: #b91b21;
    display: inline-block;
    position: relative;
    width: 65px;
    height: 65px;
    cursor: pointer;
    z-index: 1001;
}

.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
 /* content: '';
  display: block;
  height: 0.3vw;
  width: 7.5vw;
  border-radius: 1vw;
  background-color:#e0f1f4;
  position: absolute;*/
      content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background-color: #241c3a;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-btn span{
/*top:8vw;*/
    display: block;
    position: absolute;
    width: 25px;
    height: 3px;
    background-color: #241c3a;
    border-radius: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.menu-btn span:before {
/*top: 2vw;*/
    top: -8px;

}
.menu-btn span:after {
/*top: 4vw;*/
  top: 8px;
}

#menu-btn-check {
    display: none;
}


#menu-btn-check:checked ~ .menu-btn span {
   background-color: transparent;
}
#menu-btn-check:checked ~ .menu-btn span::before {
 top: 0;
    transform: rotate(45deg);

}

#menu-btn-check:checked ~ .menu-btn span::after {
   top: 0;
    transform: rotate(-45deg);
}

#menu-btn-check {
display: none;
}

.menu-content {
/*
top: 0;
left: 100%;
background-color: #c6307a;
transition: all 0.5s;
 font-family: "source-han-sans-cjk-ja", sans-serif;
font-weight: 400;
font-style: normal;
  font-size:15vw;*/
  z-index: 180;
width: 100%;
height: 1000%;
position: fixed;
  position: absolute;
    top: 100%;
    left: 0;
    background-color: #241c3a;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 0 0 10px 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
      /* メニューにも市松模様を適用（薄く） 
    background-image: 
        linear-gradient(45deg, rgba(198, 48, 122, 1) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(198, 48, 122, 1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(198, 48, 122, 1) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(198, 48, 122, 1) 75%);
     background-size: 30px 30px;
    background-position: 0 0, 0 15px, 15px -15px, -15px 0px;*/
}

.toukyu{
  width:50vw;
  position:absolute;
  left:25vw;
  top:auto;
}

@media screen and (min-width: 425px) {
  .toukyu {
    top: 58vh;
  }
}

@media screen and (min-width: 414px) and (max-width: 425px){
  .toukyu {
    top: 55vh;

  }
}

@media screen and (min-width: 381px) and (max-width: 413px) {
  .toukyu {
    top:50vh;
  }
}

@media screen and (max-width: 380px) {
  .toukyu {
    top: 50vh;
  }
}

.kouken{
  width:50vw;
  position:absolute;
  left:25vw;
  top:auto;
}

@media screen and (min-width: 425px) {
  .kouken {
    top: 70vh;
  }
}

@media screen and (min-width: 414px) and (max-width: 425px){
  .kouken {
    top: 67vh;

  }
}

@media screen and (min-width: 381px) and (max-width: 413px) {
  .kouken {
    top:65vh;
  }
}

@media screen and (max-width: 380px) {
  .kouken {
    top: 73vh;
  }
}


.menu-content a {
    display: block;
    padding: 15px 25px;
    color: #c6307a;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.menu-content a:hover {
    background-color: rgba(44, 85, 48, 0.1);
    padding-left: 35px;
}



#menu-btn-check:checked ~ .menu-content {
/*left: 0;/*メニューを画面内へ*/
   transform: translateY(0);
    opacity: 1;
    visibility: visible;
}


.menu-content ul {
/*padding: 35.0vw 1.5vw 0 1.5vw;*/
list-style: none;
    padding: 70px 40px;
       font-family: "ta-mincho-gf-03", sans-serif;
font-weight: 400;
font-style: normal;
}

.menu-content ul li {
border-bottom: solid 0.15vw #e0f1f4;
list-style: none;
}
.menu-content li:last-child {
    border-bottom: none;
}

.menu-content li {
    border-bottom: 1px solid rgba(44, 85, 48, 0.2);
}

.menu-content ul li a {
display: block;
width: 100%;
box-sizing: border-box;
color:#e0f1f4;
text-decoration: none;
padding: 3vw 3vw 5vw 1vw;
position: relative;
font-size:5vw;
z-index: 180;
}

.menu-content ul li a::before {
content: "";
width: 3.5vw;
height: 3.5vw;
border-top: solid 0.25vw #e0f1f4;
border-right: solid 0.25vw #e0f1f4;
transform: rotate(45deg);
position: absolute;
right: 4vw;
top: 5.2vw;
}



.nav-menu {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  align-items: center;
  justify-content: center;
  padding: 8px;
  width: 20vw;
  background-color: #e0f1f4;
  border: 1px solid #e0f1f4;
  opacity: 0;
  z-index:20;
}
.nav-menu.active {
  display: flex;
  animation: fadeIn 0.5s forwards;
}

.nav-menu a {
  text-decoration: none;
  color: #f225b8;
  padding: 3vw;
  margin: 3vw;
  font-size:3vw;

}



.insta{
  position:fixed;
  left:8vw;
  top:3.8vw;
  width:13vw;
  height:19vw;
    z-index: 1000;
}

.insta img{
   position:absolute;
  right:3vw;
  bottom:7.5vw;
  width:10vw;
  background-color: #e0f1f4;
border-radius: 10.5px;
}

.coming{
  width:75vw;
    display: flex;
  justify-content: center; /* 横中央 */
   left:12.5vw;
   top:15vh;
   position: absolute;
}



body{
   background-color: #241c3a;
}



  footer {
    background-color: #c6307a;
    height:60vw;
    width:100%;
  position: relative;
  margin-top:35vw;
  color:#e0f1f4;
  }

  footer a{
    text-decoration: none;
    color:#e0f1f4;
  }

  .footer1 {
    color:#e0f1f4;
    position:absolute;
    left:5vw;
    top:3vw;
    font-size:3vw;
    align-items: center; /* 横線を上下中央 */
    display: flex; /* 文字と横線を横並び */
  font-family: "source-han-sans-cjk-ja", sans-serif;
font-weight: 400;
font-style: normal;
  }

  .footer2 {
   color:#e0f1f4;
    position:absolute;
    left:40vw;
    top:3vw;
    font-size:3vw;
    align-items: center; /* 横線を上下中央 */
    display: flex; /* 文字と横線を横並び */
    font-family: "source-han-sans-cjk-ja", sans-serif;
font-weight: 400;
font-style: normal;
  }

  .footer3 {
   color:#e0f1f4;
    position:absolute;
    left:40vw;
    top:15vw;
    font-size:3vw;
    align-items: center; /* 横線を上下中央 */
    display: flex; /* 文字と横線を横並び */
 font-family: "source-han-sans-cjk-ja", sans-serif;
font-weight: 400;
font-style: normal;
  }

  .footer4 {
   color:#e0f1f4;
    position:absolute;
    left:40vw;
    top:27vw;
    font-size:3vw;
    align-items: center; /* 横線を上下中央 */
    display: flex; /* 文字と横線を横並び */
   font-family: "source-han-sans-cjk-ja", sans-serif;
font-weight: 400;
font-style: normal;
  }

  .footer5 {
    color:#e0f1f4;
    position:absolute;
    left:40vw;
    top:39vw;
    font-size:3vw;
    align-items: center; /* 横線を上下中央 */
    display: flex; /* 文字と横線を横並び */
 font-family: "source-han-sans-cjk-ja", sans-serif;
font-weight: 400;
font-style: normal;
  }


  .footer1::before {
    color: #f8fdff;
    background-color: #f8fdff;
    content: "";
    height:1.5px;
    width:35px;
    margin-right:3vw;
    display: inline-block; /* 要素を表示 */
  }

  .footer2::before {
    color: #f8fdff;
    background-color: #f8fdff;
    content: "";
    height:1.5px;
    width:35px;
    margin-right:3vw;
    display: inline-block; /* 要素を表示 */
  }

  .footer3::before {
    color: #f8fdff;
    background-color: #f8fdff;
    content: "";
 height:1.5px;
    width:35px;
    margin-right:3vw;
    display: inline-block; /* 要素を表示 */
  }

  .footer4::before {
    color: #f8fdff;
    background-color: #f8fdff;
    content: "";
   height:1.5px;
    width:35px;
    margin-right:3vw;
    display: inline-block; /* 要素を表示 */
  }

  .footer5::before {
    color: #f8fdff;
    background-color: #f8fdff;
    content: "";
height:1.5px;
    width:35px;
    margin-right:3vw;
    display: inline-block; /* 要素を表示 */
  }

  /* Reset box-model and set borders */
/* ============================================ */

*,
::before,
::after {
  box-sizing: border-box;
  border-style: solid;
  border-width: 0;
  min-width: 0;
}

/* Document */
/* ============================================ */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 * 3. Remove gray overlay on links for iOS.
 */

html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
  -webkit-tap-highlight-color: transparent; /* 3*/
}

/* Sections */
/* ============================================ */

/**
 * Remove the margin in all browsers.
 */

body {
  margin: 0;
}

/**
 * Render the main element consistently in IE.
 */

main {
  display: block;
}

/* Vertical rhythm */
/* ============================================ */

p,
table,
blockquote,
address,
pre,
iframe,
form,
figure,
dl {
  margin: 0;
}

/* Headings */
/* ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  font-weight: inherit;
  margin: 0;
}

/* Lists (enumeration) */
/* ============================================ */

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Lists (definition) */
/* ============================================ */

dt {
  font-weight: bold;
}

dd {
  margin-left: 0;
}

/* Grouping content */
/* ============================================ */

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */

hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
  border-top-width: 1px;
  margin: 0;
  clear: both;
  color: inherit;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd em font sizing in all browsers.
 */

pre {
  font-family: monospace, monospace; /* 1 */
  font-size: inherit; /* 2 */
}

address {
  font-style: inherit;
}

/* Text-level semantics */
/* ============================================ */

/**
 * Remove the gray background on active links in IE 10.
 */

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

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */

abbr[title] {
  text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */

b,
strong {
  font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd em font sizing in all browsers.
 */

code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: inherit; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */

small {
  font-size: 80%;
}

/**
 * Prevent sub and sup elements from affecting the line height in
 * all browsers.
 */

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Replaced content */
/* ============================================ */

/**
 * Prevent vertical alignment issues.
 */

svg,
img,
embed,
object,
iframe {
  vertical-align: bottom;
}

/* Forms */
/* ============================================ */

/**
 * Reset form fields to make them styleable.
 * 1. Make form elements stylable across systems iOS especially.
 * 2. Inherit text-transform from parent.
 */

button,
input,
optgroup,
select,
textarea {
  -webkit-appearance: none; /* 1 */
  appearance: none;
  vertical-align: middle;
  color: inherit;
  font: inherit;
  background: transparent;
  padding: 0;
  margin: 0;
  border-radius: 0;
  text-align: inherit;
  text-transform: inherit; /* 2 */
}

/**
 * Correct cursors for clickable elements.
 */

button,
[type="button"],
[type="reset"],
[type="submit"] {
  cursor: pointer;
}

button:disabled,
[type="button"]:disabled,
[type="reset"]:disabled,
[type="submit"]:disabled {
  cursor: default;
}

/**
 * Improve outlines for Firefox and unify style with input elements & buttons.
 */

:-moz-focusring {
  outline: auto;
}

select:disabled {
  opacity: inherit;
}

/**
 * Remove padding
 */

option {
  padding: 0;
}

/**
 * Reset to invisible
 */

fieldset {
  margin: 0;
  padding: 0;
  min-width: 0;
}

legend {
  padding: 0;
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */

textarea {
  overflow: auto;
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * Correct the outline style in Safari.
 */

[type="search"] {
  outline-offset: -2px; /* 1 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Fix font inheritance.
 */

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/**
 * Clickable labels
 */

label[for] {
  cursor: pointer;
}

/* Interactive */
/* ============================================ */

/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */

details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */

summary {
  display: list-item;
}

/*
 * Remove outline for editable content.
 */

[contenteditable]:focus {
  outline: auto;
}

/* Tables */
/* ============================================ */

/**
1. Correct table border color inheritance in all Chrome and Safari.
*/

table {
  border-color: inherit; /* 1 */
  border-collapse: collapse;
}

caption {
  text-align: left;
}

td,
th {
  vertical-align: top;
  padding: 0;
}

th {
  text-align: left;
  font-weight: bold;
}