@charset "utf-8";

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --blue01: #36b6ff;
  --blue02: #4584e0;
  --blue03: #44c5dc;
}

html, body {
  margin: 0;
  padding: 0;
  font-family:"Hiragino Sans", "Noto Sans JP","Hiragino Kaku Gothic ProN", 'メイリオ', 'Meiryo', sans-serif; font-weight: 400;
  font-size: 16px;
  color: #333;
}

html {
  scroll-behavior: smooth;
}
img{
	vertical-align:top;
}

ul {
  list-style: none;
  padding-left: 0;
  margin: 0; /* 必要に応じて */
}

/* 中の幅を1100pxに固定して中央寄せ */
.container {
  max-width: 1100px;
  margin: 0 auto;    
  padding: 0; 
}

a{ text-decoration: none;}

p{margin:0;}

section p{line-height: 1.9; }

section{ padding:100px 0;}
@media screen and (max-width: 599px) {
  section { padding:60px 0; }
}

@media screen and (max-width: 599px) {
  main {
    padding-top: 75px; /* ← 固定ヘッダーの高さぶん下げる */
  }
}

/*-----------------------------------------------------------------------------------
header高さ+余裕ぶん
-----------------------------------------------------------------------------------*/
@media screen and (max-width: 599px) {
  section {
    scroll-margin-top: 70px;
  }
}
/*-----------------------------------------------------------------------------------
アイコン
-----------------------------------------------------------------------------------*/
.icon1:before, .icon1ul li:before, .icon1dl dt:before {
    content: "■";
    margin-right: .5em;
    font-weight: normal;
}
.icon2:before, .icon2ul li:before, .icon2dl dt:before {
    content: "※";
    margin-right: .5em;
    font-weight: normal;
}

.icon3:before, .icon3ul li :before, .icon3dl dt:before {
    content: "▶";
    margin-right: .5em;
    font-weight: normal;
}

.indent1\.5{ padding-left: 1.5em; text-indent: -1.5em; }
/*-----------------------------------------------------------------------------------
color
-----------------------------------------------------------------------------------*/
.col1:before,.col1:before {
    color: var(--blue01)
}
.col2:before,.col2:before {
    color: var(--blue02)
}
.col3:before,.col3:before {
    color: var(--blue03)
}

/*-----------------------------------------------------------------------------------
box装飾
-----------------------------------------------------------------------------------*/
.box-app1{
  background: #fff;
  padding: 50px;
  border-radius: 40px;
}
.box-app2{
  background: #fff;
  padding: 30px;
  border-radius: 20px;
}
@media screen and (max-width: 599px) {
  .box-app1{
    padding: 50px 20px;
      border-radius: 20px;
  }
  .box-app2 {
    padding: 30px 20px;
  }
}
/*-----------------------------------------------------------------------------------
header
-----------------------------------------------------------------------------------*/
.header_blue{ padding:12px 30px; background-color: #36b6ff; color: #fff; border-radius: 50px;}

/* -----------------------------------------------
  共通スタイル
-------------------------------------------------- */

/* ナビ全体の設定 */
.main-nav {
  width: 100%;
  background-color: #fff;
  position: relative;
  z-index: 1000;
}

/* メニューリスト共通 */
.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 各リンク共通 */
.nav-menu a {
  text-decoration: none;
  font-weight: bold;
  color: #333;
  display: block;
}

/* ハンバーガーボタン（SP用） */
.hamburger-btn {
  width: 45px;
  height: 45px;
  background-color: #36b6ff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 1100;
}

.hamburger-btn .bar {
  width: 24px;
  height: 3px;
  background-color: #fff;
}

/* ×ボタン（SP用） */
.close-btn {
  position: fixed;
  top: 15px;
  right: 15px;
  width: 45px;
  height: 45px;
  background-color: #36b6ff;
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  line-height: 45px;
  text-align: center;
  cursor: pointer;
  z-index: 1100;

  /* 初期は非表示 */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.close-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

/* -----------------------------------------------
  PC表示（幅600px以上）
-------------------------------------------------- */
@media screen and (min-width: 600px) {
  .hamburger-btn,
  .close-btn,
  .logo {
    display: none;
  }

  .nav-menu {
    display: flex;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
  }

  .nav-menu li {
    flex: 1;
    text-align: center;
  }

  .nav-menu a {
    padding: 20px 0;
    transition: color 0.3s ease;
  }

  .nav-menu a:hover {
    color: #36b6ff;
  }
  .pc-nav.fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  z-index: 1000;
}
}

/* -----------------------------------------------
  SP表示（幅599px以下）
-------------------------------------------------- */
@media screen and (max-width: 599px) {
   header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 75px; /* 高さは指定必須 */
    background-color: #fff;
    z-index: 1000;
     }
  .pc-only {
    display: none;
  }

  .logo {
    display: block; 
  }
  .logo img{
         height:75px!important;; 
         height: auto;
    width: auto; 
  }

  .nav-menu {
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.85);
    transition: right 0.3s ease;
    padding-top: 80px;
    z-index: 1000;
  }
    .nav-menu li a:before {
      content: "▶";
    margin-right: .5em;
    font-weight: normal;
    color:var(--blue01);
  }
  .nav-menu.open {
    right: 0;
  }

  .nav-menu li {
    border-bottom: 1px solid #ccc;
    text-align: left;
    width: 90%;
    margin: auto;
  }

  .nav-menu a {
    padding: 15px;
    color: #333;
  }

  .nav-menu a:hover {
    background-color: rgba(135, 206, 250, 0.3); /* 薄い水色 */
  }

   }

/*-----------------------------------------------------------------------------------
title
-----------------------------------------------------------------------------------*/
/*黒と青のtitle(h2)*/
h2.hl1{
  font-family: "Hiragino Sans", "Noto Sans JP","Hiragino Kaku Gothic ProN", 'メイリオ', 'Meiryo', sans-serif; font-weight: 600;
  font-size:40px;
  position: relative;
  padding-left: 40px; /* 縦線2つとの左側の距離 */
  color: #333;
}
.hl1::before{
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  height: 90%; /* 線の長さ */
  width: 6px;
  background-color: #333;
  transform: translateY(-50%); /*完全に中央に揃える */
}

.hl1::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%; /* 線の長さ */
  height: 90%;
  width: 6px;
  background-color: #36b6ff;
  left: 10px; /* 2本目を少し右にずらす */
  transform: translateY(-50%); /* 完全に中央に揃える */
}
@media screen and (max-width: 599px) {
  h2.hl1 { 
    font-size:30px;
    padding-left: 30px; /* 縦線2つとの左側の距離 */ 
   }
}

/*-----------------------------------------------------------------------------------
gridアイテムを横並び→sp時　盾にして、上下入替
-----------------------------------------------------------------------------------*/

.grid-box1 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
/*gridアイテムを横並び→盾にして、上下入替*/
@media (max-width: 599px) {
  .grid-change {
    grid-template-columns: 1fr; /* 1列にする */
    grid-template-rows: auto auto;
  }

  .grid-change-right {
    order: -1; /* ← 画像を先に表示 */
  }
}

/*-----------------------------------------------------------------------------------
トップ、メニューのところのbox
-----------------------------------------------------------------------------------*/
.box1 {
  display: flex;
  gap: 60px;
  margin: 0 auto;
}

/* 画像右にしたいときだけこのクラス追加 */
.box1.box1-reverse {
  flex-direction: row-reverse;
}

.box1-img img {
  width: 100%;
  max-width: 328px;
  height: auto;
  display: block;
}
@media screen and (max-width: 599px) {
.box1-img,.box1-img img {
  max-width: 100%;
}
}

.box1-txt{
   flex: 1;
}
/* スマホで縦並びにする */
@media screen and (max-width: 768px) {
   .box1{
    gap: 30px;
   }
  .box1,
  .box1.box1-reverse {
    flex-direction: column;
  }
}
/*-----------------------------------------------------------------------------------
footer
-----------------------------------------------------------------------------------*/
footer{ background-color:#36b6ff;}
@media screen and (max-width: 599px) {
  footer{
    margin-bottom:80px;
  }
}
.copy{ background-color:#fff; padding: 20px;}
.copy p{text-align: center;}
.sp_footer{
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 1200;
}
.sp_footer img{
    width: 100%;
}