@charset "utf-8";

:root{
    --primary-color: #03588C;
    --primary-bg-color: #e8ebef;
    --primary-text-color: #2A3140;
    --primary-accent-color: #D97F30;
    --secondary-color: #64758C;
    --secondary-bg-color: #eeeeee;
    --primary-border-color: #b7bfc7;
    --primaty-opacity-color: 0.8;
}
html{
    font-size: 62.5%;
    scroll-behavior: smooth;
}
body {
    font-size: 1.6rem;
    font-family: "Zen Maru Gothic", "Alan Sans", sans-serif;
    background: var(--primary-bg-color);
    color: var(--primary-text-color);
    padding: 30px;
}
main {
    max-width: 1300px;
    margin: auto;
}
h1 {
    font-size: 2.6rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
}
h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
}
h3 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 25px;
}
h3.label {
    text-align: center;
    padding-left: 5px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--primary-color);

}
h4, h5, h6, p {
    margin: 1.5rem 0;
}
.weiht-500 {
    font-weight: 500;
}
.breadcrumb {
    margin-bottom: 30px;
    font-size: 1.4rem;
    text-align: left;
    color: #999999;
}
.breadcrumb a, .breadcrumb span {
    margin: 0 4px;
    padding: 0 2px;
}
.breadcrumb a {
    border-bottom: 1px solid var(--primary-border-color);
}
header.sticky {
    margin-bottom: 20px;
    padding: 15px 0;
    position: sticky;
    top: 0;
    background-color: var(--primary-bg-color);
    z-index: 9;
}
header.sticky p {
    font-size: 1.4rem;
    text-align: center;
    margin: 10px 0;
}
header.sticky a.site-terms_link {
    border-bottom: 1px solid var(--primary-border-color);
}
header.sticky a.site-terms_link:hover {
    opacity: .8;
}
header.sticky ul {
    max-width: 800px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: auto;
}
header.sticky ul li a {
    border-radius: 8px;
    padding: 10px 20px;
}
.genre {
    padding: 40px 0;
    border-bottom: 1px solid var(--primary-border-color);
}
.genre:first-of-type {
    border-top: 1px solid var(--primary-border-color);
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 15px;
}
.grid_2 {
    grid-template-columns: repeat(auto-fit,minmax(500px,1fr));
    gap: 30px 15px;
}
.grid_330 {
    grid-template-columns: repeat(auto-fit,minmax(330px,1fr));
}
.grid_conclusion {
    grid-template-columns: repeat(auto-fit,minmax(600px,1fr));
    gap: 30px 15px;
}
.explain {
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.card {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(16,24,40,0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}
.card .sample {
    padding:25px;
}
.card .sample h3 {  
    color: var(--primary-color);
}
.demo-wrap {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}
.hint {
    font-size: 1.4rem;
    margin: 25px 0 5px;
    color: #555555;
}
.more_link {
    font-weight: 500;
    padding: 15px 0;
    background-color: var(--secondary-bg-color);
    text-align: center;
    position: relative;
    cursor: pointer;
}
.more_link:hover, .more_link:focus {
    border-bottom-color: var(--primary-accent-color);
}
.more_link::after {
    position: absolute;
    top: 50%;
    right: 26px;
    transform: translateY(-60%);
    transform-origin: left;
    width: 25px;
    height: 10px;
    background-color: var(--primary-text-color);
    clip-path: polygon(0 100%, 100% 100%, 70% 40%, 70% 90%, 0% 90%);
    content: "";
    transition: .25s;
}
.more_link:hover::after, .more_link:focus:after {
    background-color: #ffffff;
}
.more_link span {
    font-size: 1.4rem;
    transition: .25s;
}
.more_link:hover span,.more_link:focus span {
    transition: .25s;
    color: #ffffff;
}
footer {
    text-align: center;
}
.not-found main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-bottom: 50px;
}
.not-found h1 {
    font-size: 16.0rem;
    color: var(--primary-accent-color);
    animation: float 2s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
/* TOPページ */
.archive_all .card {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
    transition: .25s;
}
.archive_all .card img {
    width: 80px;
    height: 80px;
    padding: 15px;
    object-fit: contain;
    object-position: center;
    background-color: var(--secondary-bg-color);
}
.archive_all h3 {
    font-size: 1.6rem;
    margin-bottom: 0;
    padding-right: 15px;
}
#site-terms {
    padding: 80px 0;
}
#site-terms h3 {
    font-size: 1.6rem;
    margin: 5px 0;
}
#site-terms p {
    font-size: 1.4rem;
    margin: 0 1rem;
}
/* 幅・高さ・角丸 */
.width-100 {
    width: 100px;
}
.height-100 {
    height: 100px;
}
.radius-s {
    border-radius: 10px;
}
.radius-50p {
    border-radius: 50%;
}
.opa-8:hover, .opa-8:focus {
    opacity: .8;
}
/* 詳細ページ */
.post .card .sample {
    padding: 50px;
    position: relative;
}
.post h2 {
    font-size: 2.0rem;
    text-align: center;
}
button.copy-btn {
    border: none;
    color: var(--primary-accent-color);
}
.post-code .card .sample {
    padding: 30px;
}
.post-code pre {
    padding-bottom: 8px;;
    overflow-x: scroll;
}
.post-point .card {
    padding: 25px;
}
.post-point .card p {
    margin: 8px 0;
}
.conclusion {
    display: flex;
    justify-content: center;
}
.conclusion .card {
    padding: 30px;
}
.conclusion h3 {
    text-align: center;
    margin-bottom: 15px;
    color: var(--primary-color);
}
.conclusion h4 {
    font-size: 1.6rem;
    text-align: center;
    margin: 20px 0 10px;
    color: var(--primary-color);
}
.conclusion ul.post-links li {
    font-size: 1.6rem;
}
ul.post-links {
    padding: 15px;
    border-top: 1px solid var(--primary-color);
    border-bottom: 1px solid var(--primary-color);
}
ul.post-links li {
    font-size: 1.4rem;
    margin-left: 20px;
    list-style: disc;
}

@media (width <= 767px) {
    .grid_2 {
        grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    }
}

/* ボタン共通設定 */
.btn {
    display:inline-block;
    padding: 12px 30px;
    font-weight: 600;
    line-height: 1.3;
    cursor: pointer;
    border: 0;
    font-size: 1.6rem;
    text-decoration: none;
    color: #ffffff;
    transition: all .25s ease;
    -webkit-tap-highlight-color: transparent;
}
.btn:focus {
    outline: 3px solid rgba(43,140,255,0.18);
    outline-offset: 3px;
}
/* 変化前：ボタン */
.basic {
    background: var(--primary-color);
}
.bordre_color_change {
    border: 3px solid var(--primary-color);
    background-color: transparent;
    color: var(--primary-text-color);
}
.btn.radius-50p {
    padding: 0;
}
/* 変化：ボタン */
.basic_op:hover, .basic_op:focus {
    opacity: var(--primaty-opacity-color);
}
.color_change:hover, .color_change:focus {
    background: var(--primary-accent-color);
}
.trans-y_change:hover, .trans-y_change:focus {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(43,140,255,0.12);
}
.bordre_color_change:hover, .border_color_change:focus {
    border-color: var(--primary-accent-color);
    color: var(--primary-accent-color);
}
/* ベース：ボタンスライド */
.slide-btn {
    position: relative;
    overflow: hidden;
}
.slide-btn span {
    position: relative;
    z-index: 3;
}
.slide-btn::before, .slide-btn_horizontal::after, .slide-btn_vertical::after {
    content: "";
    width: 100%;
    height: 100%;
    background: var(--primary-accent-color);
    position: absolute;
    top: 0;
    left: 0;
    transition: .2s;
}
.slide-btn:hover::before,.slide-btn:focus::before,
.slide-btn_horizontal:hover::after,.slide-btn_horizontal:focus::after,
.slide-btn_vertical:hover::after,.slide-btn_vertical:focus::after {
    transform: translateX(0);
    transform: translateY(0);
}
/* バリエーション：ボタンスライド */
.slide-btn_top::before {
    transform: translateY(-100%);
}
.slide-btn_bottom::before {
    transform: translateY(100%);
}
.slide-btn_right::before {
    transform: translateX(100%);
}
.slide-btn_left::before {
    transform: translateX(-100%);
}
.slide-btn_horizontal::before, .slide-btn_horizontal::after {
    height: 50%;
}
.slide-btn_horizontal::before {
    transform: translateY(-100%);
}
.slide-btn_horizontal::after {
    top: 50%;
    transform: translateY(100%);
}
.slide-btn_vertical::before, .slide-btn_vertical::after {
    width: 50%;
}
.slide-btn_vertical::before {
    transform: translateX(-100%);
}
.slide-btn_vertical::after {
    left: 50%;
    transform: translateX(100%);
}
/* ハンバーガーメニュー */
.hamburger {
  display: inline-block;
  cursor: pointer;
  width: 34px;
  height: 20px;
  position: relative;
  border: none;
  background-color: transparent;
  z-index: 2;
}
.hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary-text-color);
  border-radius: 2px;
  transition: all .25s ease;
}
.hamburger span:nth-child(1) {
    top: 0;
}
.hamburger span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}
.hamburger span:nth-child(3) {
    bottom: 0;
}

/* 3本からバツ */
.hamburger.rotate-cross.open span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}
.hamburger.rotate-cross.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.rotate-cross.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}
/* アニメーション：ハンバーガーメニュー */
.hamburger-l {
    width: 50px;
    height: 28px;
}
.hamburger-l span:nth-child(2) {
    top: 13px;
}
.hamburger-l.rotate-cross.open span:nth-child(1) {
  transform: rotate(45deg) translate(9px, 8px);
}
.hamburger-l.rotate-cross.open span:nth-child(3) {
  transform: rotate(-45deg) translate(9px, -8px);
}
.hamburger.bounce-cross span {/* ベジェ曲線を引っ張る2点を指定(X1,Y1,X2,Y2) */
  transition: all 0.4s cubic-bezier(.68,-0.55,.27,1.55);
}
.hamburger.bounce-cross.open span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 5px);
}
.hamburger.bounce-cross.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.bounce-cross.open span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}
.hamburger.plus-morph.open span:nth-child(1) {
  transform: rotate(0deg);
}
.hamburger.plus-morph.open span:nth-child(2) {
  transform: rotate(90deg);
}
.hamburger.plus-morph.open span:nth-child(3) {
  transform: rotate(0deg);
}
.hamburger.plus-morph.open {
  transform: rotate(45deg);
}
/* メニューエリア付 */
.sample_body {
    /* サンプル用、実装には不要 */
    width: 100px;
    height: 150px;
    padding: 10px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--primary-color);
}
.hamburger-nav {
    display: flex;
    z-index: 2;
}
.header-nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    width: 100%;
    height: 100%;
    background-color: var(--primary-accent-color);
    position: absolute;
    top: 0;
    left: 0;
    transition: .3s;
    z-index: 1;
}
/* メニューの動き */
.header-nav ul.header-nav_left {
    transform: translateX(-100%);
}
.header-nav ul.header-nav_right {
    transform: translateX(100%);
}
.header-nav ul.header-nav_top {
    transform: translateY(-100%);
}
.header-nav ul.header-nav_bottom {
    transform: translateY(100%);
}
.header-nav.active ul {
    transform: translate(0);
}
.nav-visible {
    transform: translate(0);
}
/* ヘッダー */
.sample_body:has(.demo-header) {
    width: 100%;
}
.demo-header {
    width: 100%;
    padding: 6px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;/* デモ用、本番・レスポンシブではfixedで全画面に */
    top: 0;
    left: 0;
    background-color: var(--secondary-bg-color);
}
a.site-logo img {
    max-width: 38px;
    height: auto;
}
.demo-header nav ul {
    display: flex;
    gap: 10px;
}
nav.menu-subtitle ul li a {
    font-size: 1.8rem;
    font-weight: 500;
    line-height: 1;
}
/* ヘッダー：シンプル〜  */
a.site-logo {
    display: flex;
    align-items: center;
    gap: 5px;
}
span.site-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    line-height: 1;
}
nav.menu-subtitle ul li a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}
nav.menu-subtitle ul li a span {
    font-size: 1.4rem;
    font-weight: normal;
}
/* ヘッダー：レスポンシブ対応版  */
iframe {
    border: none;
}
.iframe_body {
    height: auto;
    overflow: scroll;
    border: none;
}
.iframe_body .header-nav ul {
    position: fixed;
    height: 100%;
}
.main-head_margin {
    margin-top: 50px;
}
@media (width <= 767px) {
    header.sticky ul {
        gap: 8px;
    }
    header.sticky ul li a {
        font-size: 1.3rem;
        padding: 8px 12px;
    }

    .demo-header .hamburger {
        display: block;
    }
    .demo-header .hamburger span {
        opacity: 1;
    }
    #cate01 .demo-header nav ul li:last-of-type {
        display: none;
    }
}