@charset "utf-8";

/* ヘッダーやフッターなどのサイト全体で共通となる記述や複数のページで使用できそうな記述を書く。 */
/* リセットの記述(余白を取り払う,) */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
dl,
dd,
figure {
    margin: 0;
    padding: 0;
    list-style: none;
}

img {
    vertical-align: bottom;
}

a {
    text-decoration: none;
}

address {
    font-style: normal;
}

/* 全体の基本指定（余白込みになってくれる、文字の状態を整える） */
* {
    box-sizing: border-box;
}

body {
    font-size: 16px;
    font-family: YuGothic, "Yu Gothic", "游ゴシック", "游ゴシック体", sans-serif;
    font-weight: 500;
    color: rgb(111, 115, 117);
    line-height: 1;
    background-color: #fff;
}

/* コンテンツ幅の制御用の記述(全体幅とNEWS幅) */
.inner-1 {
    width: 1080px;
    margin: 0 auto;
    background-color: #faeec8;
    background-image: url(../images/giraffe2.png);
    background-repeat: repeat;
    background-position: center;
    /* outline: 2px solid #0f0; */
    /* background-color: bisque; */
}

.inner-2 {
    width: 960px;
    margin: 0 auto;
    /* outline: 2px solid #f00;
    background-color: burlywood; */
}


/* 背景塗分け用の記述 */
/* .bg-1 {
    background-color: #ff783c;
    color: #fff;
}

.gr-1 {
    background: linear-gradient(180deg, #068da7 60%, #0c6599 100%);
    color: #fff;
}

.gr-2 {
    background: linear-gradient(0deg, #068da7 60%, #0c6599 100%);
    color: #fff;
} */

/* 横並び用の記述 */
.flex {
    display: flex;
    justify-content: space-between;
    gap: 5px;
}

header {
    padding: 20px;
    background-color: rgba(255, 228, 196, 0.5);
    background-image: url("../images/glass.png");
    background-repeat: repeat-x;
    background-position: bottom;
    background-size: 100px auto;
}

header div {
    display: flex;
}

header div .kirin2 {
    font-size: 20px;
    margin: 0 100px;
    line-height: 2;
    font-weight: bold;
}

nav {
    background-color: beige;
}

nav ul {
    display: flex;
}

/* 各 li への指定 */
nav ul li {
    border-right: 1px solid #777;
    width: 192px;
    text-align: center;
    line-height: 32px;
}

nav ul li:last-of-type {
    border-right: none;
}

nav ul li a {
    color: #444;
    display: block;
    transition: background-color 0.3s, color 0.3s;
}

nav ul li a:hover {
    background-color: lightgray;
    color: #fff;
}

.child {
    font-size: 30px;
    font-weight: bold;
    line-height: 1.5;
}

.nobi {
    font-size: 18px;
    margin: 20px 0;
}

.cta {
    padding: 20px 0;
}

.cta a {
    display: inline-block;
    padding: 12px 24px;
    background-color: rgb(228, 74, 164);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s;
}

.cta a:hover {
    background-color: lightgray;
    color: #797373;
}

.news {
    display: flex;
    line-height: 2;
    width: 500px;
    margin: 0 auto;
    border-bottom: 2px solid rgb(218, 164, 164);
    /* outline: 2px solid rgb(81, 255, 0);
    background-color: rgb(233, 124, 23); */
}

.news dt {
    margin-right: 20px;
}

.inner-2 section {
    text-align: center;
}

.kakko1 {
    margin-left: -0.5em;
}

.kakko2 {
    margin-right: -0.5em;
}

footer {
    padding: 20px 30px 0;
    background-color: rgba(255, 255, 255, 0.8);
    background-image: url("../images/glass.png");
    background-repeat: repeat-x;
    background-position: bottom;
    background-size: 100px auto;
}

footer address {
    padding: 15px 0;
    line-height: 1.5;
}

.small {
    text-align: center;
    font-size: 20px;
    padding-bottom: 28px;
}

.logobanner {
    display: flex;
    justify-content: space-between;
}


/* ★ fadeUpアニメ */

@keyframes fadeUp-move{
    0%{
        transform: translateY(30px);
        opacity: 0;
    }

    100%{
        transform: translateY(0);
        opacity: 1;
    }
}

/* fadeUpアニメを適用する記述 （このクラスが付くとアニメが動く）*/
.fadeUpActive{
    animation:fadeUp-move 1s ease forwards;
}

/* 要素をあらかじめ下にずらして透明にしておく */
.fadeUp-trigger{
    transform: translateY(30px);
    opacity: 0;
}


/* 1個ずつタイミングをずらすなら・・・↓ */
.delay-1{
    animation-delay: 0s;
}

.delay-2{
    animation-delay: 0.2s;
}

.delay-3{
    animation-delay: 0.4s;
}
/* ===== 2026 AI活用演習ページ追加 ===== */
.global-nav a.current { background-color: chocolate; color: #fff; }
.news dd a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.news-new::after { content: "NEW"; margin-left: auto; color: #fff; background: rgb(228, 74, 164); border-radius: 10px; padding: 2px 7px; font-size: 11px; line-height: 1.5; align-self: center; }
@media (max-width: 800px) {
    .inner-1, .inner-2 { width: 100%; }
    header div { align-items: center; }
    header div .kirin2 { margin: 0 0 0 20px; font-size: 15px; }
    .kirin img { max-width: 100%; height: auto; }
    nav ul { flex-wrap: wrap; }
    nav ul li { width: 33.333%; }
    .news { width: 94%; align-items: flex-start; }
    .news dt { min-width: 96px; }
    .flex { flex-wrap: wrap; }
}

/* ================================================================
   2026.07 レスポンシブ・ワイド画面対応
   ================================================================ */
html {
    scroll-behavior: smooth;
}

body {
    min-width: 0;
    overflow-x: hidden;
    background-color: #faeec8;
    background-image: url(../images/giraffe2.png);
    background-repeat: repeat;
    background-position: center;
}

/* サイト全体は常に画面幅100%。本文だけ最大1280pxに制限する */
.inner-1 {
    width: 100%;
    max-width: none;
    margin: 0;
    background: transparent;
}

.inner-2 {
    width: min(1280px, calc(100% - 48px));
    margin-inline: auto;
}

img {
    max-width: 100%;
    height: auto;
}

/* ヘッダーは背景を画面いっぱい、内容を中央寄せ */
header {
    width: 100%;
    padding: 20px 24px 28px;
}

header > div {
    width: min(1280px, 100%);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

header .kirin img {
    display: block;
    width: min(449px, 100%);
}

header div .kirin2 {
    margin: 0;
    flex: 0 1 520px;
    text-align: center;
}

/* グローバルナビも画面幅100%、項目は最大1280pxで均等配置 */
.global-nav,
body > .inner-1 > nav {
    width: 100%;
}

.global-nav ul,
body > .inner-1 > nav ul {
    width: min(1280px, 100%);
    margin-inline: auto;
    gap: 0;
}

.global-nav ul li,
body > .inner-1 > nav ul li {
    width: auto;
    flex: 1 1 0;
    min-width: 0;
}

.global-nav ul li a,
body > .inner-1 > nav ul li a {
    padding: 8px 10px;
    line-height: 1.4;
}

/* 最新情報：PCでは長い2件も一行に収める */
.news {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: center;
    width: min(1080px, 100%);
    margin: 0 auto;
    padding: 10px 12px;
    line-height: 1.7;
}

.news dt {
    margin-right: 0;
    white-space: nowrap;
}

.news dd,
.news dd a {
    min-width: 0;
    color: inherit;
}

@media (min-width: 769px) {
    .news dd,
    .news dd a {
        white-space: nowrap;
    }
}

/* フッターは背景を画面いっぱい、内容を中央寄せ */
footer {
    width: 100%;
    padding: 24px 24px 0;
}

.logobanner {
    width: min(1280px, 100%);
    margin-inline: auto;
    align-items: flex-start;
    gap: 32px;
}

/* タブレット */
@media (max-width: 900px) {
    .inner-2 {
        width: min(100% - 32px, 1280px);
    }

    header > div {
        gap: 20px;
    }

    header div .kirin2 {
        font-size: 17px;
    }

    .global-nav ul,
    body > .inner-1 > nav ul {
        flex-wrap: wrap;
    }

    .global-nav ul li,
    body > .inner-1 > nav ul li {
        flex: 0 0 33.333%;
        border-bottom: 1px solid #aaa;
    }

    .global-nav ul li:nth-child(3n),
    body > .inner-1 > nav ul li:nth-child(3n) {
        border-right: none;
    }
}

/* スマートフォン */
@media (max-width: 600px) {
    body {
        font-size: 15px;
    }

    .inner-2 {
        width: min(100% - 24px, 1280px);
    }

    header {
        padding: 16px 12px 24px;
    }

    header > div {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    header .kirin {
        width: min(100%, 360px);
    }

    header div .kirin2 {
        flex: none;
        font-size: 15px;
        line-height: 1.7;
    }

    .global-nav ul li,
    body > .inner-1 > nav ul li {
        flex-basis: 50%;
    }

    .global-nav ul li:nth-child(3n),
    body > .inner-1 > nav ul li:nth-child(3n) {
        border-right: 1px solid #777;
    }

    .global-nav ul li:nth-child(2n),
    body > .inner-1 > nav ul li:nth-child(2n) {
        border-right: none;
    }

    .child {
        font-size: clamp(22px, 7vw, 30px);
    }

    .nobi {
        font-size: 16px;
        line-height: 1.7;
    }

    .news {
        grid-template-columns: 1fr;
        gap: 2px;
        padding-inline: 4px;
        text-align: left;
    }

    .news dd,
    .news dd a {
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .logobanner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    footer address {
        text-align: center;
    }

    .assignment-banner img {
        width: min(168px, 100%);
    }
}

/* ================================================================
   2026.07 ナビゲーションを画面幅いっぱいに統一
   ================================================================ */
.global-nav {
    width: 100%;
    margin: 0;
    background-color: beige;
    border-top: 1px solid rgba(119, 119, 119, 0.35);
    border-bottom: 1px solid rgba(119, 119, 119, 0.35);
}

.global-nav ul {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}

@media (min-width: 1281px) {
    .global-nav {
        padding-inline: calc((100% - 1280px) / 2);
    }

    .global-nav ul {
        max-width: none;
    }
}


/* ================================================================
   スマートフォン用ハンバーガーメニュー
   ================================================================ */
.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 10px;
    border: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    flex: 0 0 auto;
    position: relative;
    z-index: 20;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    margin: 5px 0;
    border-radius: 2px;
    background: #654b38;
    transition: transform .3s, opacity .3s;
}

.menu-toggle.is-open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.cta-disabled {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 30px;
    background-color: rgb(228, 74, 164);
    color: #fff;
    font-weight: bold;
    cursor: default;
}

@media (max-width: 600px) {
    header {
        position: relative;
    }

    header > div {
        position: relative;
        flex-direction: row;
        justify-content: center;
        padding-right: 56px;
    }

    header .kirin {
        width: min(100%, 300px);
    }

    header div .kirin2 {
        display: none;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
    }

    .global-nav {
        display: grid;
        grid-template-rows: 0fr;
        overflow: hidden;
        transition: grid-template-rows .35s ease;
        background-color: beige;
    }

    .global-nav.is-open {
        grid-template-rows: 1fr;
    }

    .global-nav > ul {
        min-height: 0;
        overflow: hidden;
        display: block;
    }

    .global-nav ul li,
    body > .inner-1 > nav ul li {
        width: 100%;
        border-right: 0;
        border-bottom: 1px solid #c6bfa8;
    }

    .global-nav ul li:nth-child(3n),
    .global-nav ul li:nth-child(2n),
    body > .inner-1 > nav ul li:nth-child(3n),
    body > .inner-1 > nav ul li:nth-child(2n) {
        border-right: 0;
    }

    .global-nav ul li a {
        padding: 13px 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .menu-toggle span,
    .global-nav {
        transition: none;
    }
}