/* --------------------------------------
  Default Styling
-------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
}



html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  height: 100%;
  margin: 0;
  color: #3a4454;
  font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
}

h1, h2 {
  font-family: "Piazzolla", "Times New Roman", "YuMincho",
    "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
  line-height: 1.4;
}


h2, h3 {
  margin-top: 0;
  font-weight: 700;
}
h3 {
	font-size:1rem;
}

h1 {
  margin-top: 0;
  font-weight: 500;
}

h2 {
  text-align: center;
}

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

p {
  line-height: 1.8;
}

figure {
  margin: 0;
}

img {
  max-width: 100%;
}

a {
  text-decoration: none;
}

a, input, textarea {
  transition: all 0.15s ease-in-out;
}

input[type="submit"]:hover {
  cursor: pointer;
}

/* --------------------------------------
  Reusable Classes
-------------------------------------- */

.container {
  max-width: 1280px;
  margin: 0 auto;
}

.button {
  display: inline-block;
  padding: 10px 15px;
  border: none;
  border-radius: 3px;
  color: #FFF7F7;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-decoration: none;
}

.button-primary {
  background-color: #53687E;
}

.button-secondary {
  background: #6B4E71;
}

.button-primary:hover,
.button-primary:focus {
  background-color: #495B6F;
}

.button-secondary:hover,
.button-secondary:focus {
  background: #5D4462;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  font-size: 2rem;
}

.social-links li + li {
  margin-left: 20px;
}

/* --------------------------------------
  Header
-------------------------------------- */

/* 共通スタイル */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: fixed;
  z-index: 2;
  width: 100%;
  background-color: #fff;
  color: #000000;
  font-family: "Piazzolla", "Times New Roman", "YuMincho",
    "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
  font-weight: 700;
  padding: 10px 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header-logo img {
  max-width: 150px;
}

.header-nav {
  display: flex;
}

.header-nav-menu {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
}

.header-nav-menu-item {
  margin: 0 10px;
}

.header-nav-menu-item > a {
  color: #333388;
  text-decoration: none;
  font-size: 16px;
}

.header-nav-menu-item > a:hover,
.header-nav-menu-item > a:focus {
  color: #aaaacc;
}

/* ハンバーガーメニュー */
.header-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

/* ハンバーガーメニューは狭い画面のみ表示 */
.header-menu-toggle {
  display: none; /* 初期状態で非表示 */
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .header {
    flex-wrap: wrap;
  }

  .header-logo {
    margin-bottom: 10px;
  }

  .header-nav {
    display: none; /* 初期状態で非表示 */
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
  }

  .header-nav-menu {
    flex-direction: column;
    width: 100%;
  }

  .header-nav-menu-item {
    margin: 5px 0;
  }

  .header-menu-toggle {
    display: block;
  }
  .header-nav.open {
    display: flex; /* メニューが開かれたときに表示 */
  }
}

/* --------------------------------------
  Main - Home
-------------------------------------- */

.main-home {
  height: 100%;
  background-color: #fff;
}

.main-home-highlight,
.main-home-highlight-links a {
  color: #FFF7F7;
}

.main-home-highlight-links p {
  font-size: 1.2rem;
}

.main-home-highlight-links p > a {
  text-decoration: underline;
}

.main-home-highlight-links a:hover,
.main-home-highlight-links a:focus {
  color: #FFC4C4;
}

/* --------------------------------------
  Main - art_for_all
-------------------------------------- */

.main-art_for_all {
  background-color: #ffffff;
}

.main-art_for_all-item:last-child {
  margin-bottom: 0;
}

.main-art_for_all-item-img img {
  border-radius: 5px;
}

.main-art_for_all-item-img.primary img {
  box-shadow:
    1px 1px 10px rgba(0, 0, 0, 15%),
    10px 10px 0 #53687E;
}

.main-art_for_all-item-img.secondary img {
  box-shadow:
    1px 1px 10px rgba(0, 0, 0, 15%),
    10px 10px 0 #6B4E71;
}

/* --------------------------------------
  Main - explanation
-------------------------------------- */

.main-explanation {
  background-color: #FFF;
}

.main-explanation-addition-skills ul {
  padding-left: 20px;
  list-style: disc;
}

.main-explanation-addition-follow a {
  color: #C2B2B4;
}

.main-explanation-addition-follow a:hover,
.main-explanation-addition-follow a:focus {
  color: #AB9698;
}

/* --------------------------------------
  Footer
-------------------------------------- */

.footer {
  background-color: #3A4454;
  color: #FFF7F7;
}

.footer-form form,
.footer-form-input,
.footer-form-textarea {
  width: 100%;
}

.footer-form-input {
  position: relative;
}

.footer-form-input i {
  position: absolute;
  top: 12px;
  left: 16px;
  color: #fff7f7;
}

.footer-form-input input {
  padding: 10px 15px 10px 40px;
}

.footer-form-textarea textarea {
  height: 150px;
  padding: 10px 15px;
  resize: none;
}

.footer-form-input input,
.footer-form-textarea textarea {
  width: 100%;
  background-color: transparent;
  border: 1px solid #C2B2B4;
  border-radius: 5px;
  color: #FFF7F7;
}

.footer-form-input input::placeholder,
.footer-form-textarea textarea::placeholder {
  color: #9C9DA5;
}

.footer-form-input input:hover,
.footer-form-input input:focus,
.footer-form-textarea textarea:hover,
.footer-form-textarea textarea:focus {
  background-color: rgba(0, 0, 0, 10%);
}

.footer-form-input input:focus-visible,
.footer-form-textarea textarea:focus-visible {
  outline: 1px solid #C2B2B4;
  border: 1px solid #C2B2B4;
}

.footer-info-nav-menu ul {
  font-family: "Piazzolla", "Times New Roman", "YuMincho",
    "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
}

.footer-info-nav-menu a {
  color: #FFF7F7;
  font-size: 1.2rem;
  font-weight: 700;
}

.footer-info-nav-menu a:hover,
.footer-info-nav-menu a:focus {
  color: #9C9DA5;
}

.footer-info-follow a {
  color: #9D9DA5;
  font-size: 1.5rem;
}

.footer-info-follow a:hover,
.footer-info-follow a:focus {
  color: #81838D;
}

.footer-info-copy {
  color: #9C9DA5;
}

/* --------------------------------------
  Page - Work
-------------------------------------- */

.work h1 {
  margin-bottom: 0;
  font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
}

.main-article-container {
  max-width: 750px;
}

.main-article-topic {
  margin-bottom: 60px;
}

.main-article-topic:last-child {
  margin-bottom: 0;
}

.main-article-topic img {
  margin-bottom: 30px;
  border-radius: 5px;
}
  * {
 margin: 0;
 padding: 0; 
}
ul {
  list-style:none;
}
div {
  padding: 0 30px;
}
.header__float {
  overflow: hidden;
  clear: both;
　/*縦中央揃いにするためにヘッダーの高さを指定する*/
  line-height: 48px;
}
.header__float h1 {
  float: left;
}
.header__float nav {
  float: right;
}
.header__float nav ul li{
  float: left;
  margin-left: 20px;
}

/* アンカーリンク先の調整 */
:target {
  scroll-margin-top: 100px; /* 固定ヘッダーの高さに合わせて調整 */
}