@charset "UTF-8";

* {
    box-sizing: border-box;
}
img {
    max-width: 100%;
}
html {
    scroll-behavior: smooth;
}
body {
    font-feature-settings: "palt";
}
a, button {
    cursor: pointer;
}

:root {
    --mainColor: #0bd;
    --subColor: #0bd4;
    --white: #fefefe;
    --gray: #9f9f9f;
    --black: #3f3f3f;
    --harfBlack: #3f3f3f3a;
    --gradientRed: #fff0ef;
    --gradientBlue: #f6fffd;
    --gradientDarkBlue: #dde3eb;
    --mainWidth: 800px;
    --subWidth: 320px;
    --btnWidth: 10rem;
    --containerWidth: 92vw;
    @media (width < 600px) {
        --containerWidth: 97vw;
    }
}

/* コンテナー */

.mainBox {
    display: flex;
    flex-direction: column;
    gap: calc(var(--mainWidth) / 10);
    padding-top: calc(var(--mainWidth) / 20);
}
.topContainer {
    width: var(--containerWidth);
    max-width: calc(var(--mainWidth) * 1.4);
    margin-inline: auto;
    padding: 0 min(3vw, 2rem) 0;
}
.flex {
    display: flex;
}
.flex-reverse {
    flex-direction: row-reverse;
}
.flex-column {
    display: flex;
    flex-direction: column;
}
/* スマホ改行 */
br.mobile {
    @media (600px <= width) {
        display: none;
    }
}
br.notebook {
    @media (width < 600px) {
        display: none;
    }
}
/* 全体グラデーション */
body {
    background-image: linear-gradient(var(--gradientDarkBlue), var(--gradientBlue) 20% 60%, var(--gradientRed));
}

/* ヘッダー ============================*/
.header {
    background-color: #3331;
    padding-bottom: .8rem;
    flex-wrap: wrap;
    gap: 1.2rem;
}
/* ｈ１ */
.h1 {
    background-color: #000a;
    color: #fff;
    width: fit-content;
    padding: 2em 1.2em .3em;
    line-height: 1.5;
    .fz-small {
        font-size: clamp(1rem, calc(0.875rem + 0.5vw), 1.25rem);
    }
    .incName {
        font-size: clamp(1.45rem, calc(1.235rem + .86vw), 1.88rem);
    }
}
/* ヘッダーナビ */
/* メニュー */
.headerNav {
    font-size: .85rem;
    width: 100%;
    justify-content: space-between;
    align-items: start;
    li a {
        display: block;
    }
    button, li a {
        background-color: var(--white);
        box-shadow: 0 0 6px var(--harfBlack);
        padding: .8em .9em .6em;
    }
    .btn::after {
        background-color: var(--gray);
        display: inline-block;
        content: "";
        width: 12px;
        aspect-ratio: 1/1;
        clip-path: polygon(0 0, 100% 50%, 0 100%);
    }
    @media (760px < width) {
        justify-content: left;
        gap: 1.5rem;
    }
}
.navContents {
    gap: .5rem;
    opacity: 0;
    transition: opacity .3s ease;
}
.btn.is-active + .navContents {
    opacity: 1;
}
.junnbityuu {
    text-decoration: line-through 2px;
}
/* メイン */
/* 経営理念 ====================*/
.rinen {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    h2 {
        color: var(--white);
        background-color: #000a;
        width: fit-content;
        padding: .8em 1.6em .3em;
        letter-spacing: .15em;
    }
}
.concept {
    width: fit-content;
    padding: 32px;
    position: relative;
    letter-spacing: .15em;
    &::before, &::after {
        content: "";
        display: block;
        width: 32px;
        aspect-ratio: 4/3;
        position: absolute;
    }
    &::before {
        border-top: 2px solid var(--black);
        border-left: 2px solid var(--black);
        top: 4px;
        left: -8px;
    }
    &::after {
        border-bottom: 2px solid var(--black);
        border-right: 2px solid var(--black);
        bottom: 12px;
        right: -8px;
    }
}
/* 概要 */
table.flex-column {
    align-items: center;
}
th, td {
    display: block;
}
th {
    background-color: #000a;
    color: #fff;
    padding: .8em 0 .3em .8em;
    letter-spacing: .05em;
}
td {
    padding: .6em 0 .4em .8em;
    margin: 1.2em 0;
}
/* PDF */
.pdf a {
    color: blue;
    border-bottom: 1px solid blue;
    display: block;
    padding: .2em;
    margin: .5em 0;
}
.pdf a, .pdf p {
    width: fit-content;
    margin-inline: auto;
}
table + div {
    width: fit-content;
    margin-inline: auto;
    translate: 0 -20%;
}
table + div p {
    padding: 0 .2em .5em;
}
/* フッター */
footer {
    background-color: var(--black);
    color: var(--white);
}
footer small {
    display: block;
    padding: 2rem 0;
    text-align: center;
    text-transform: capitalize;
}